CN111984108A - Control method, circuit and system for reducing standby power consumption of computer mainboard - Google Patents
Control method, circuit and system for reducing standby power consumption of computer mainboard Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims abstract description 44
- 238000004364 calculation method Methods 0.000 claims abstract description 25
- 230000002159 abnormal effect Effects 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000004590 computer program Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims description 6
- 230000005856 abnormality Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
Abstract
The invention discloses a control method, a circuit and a system for reducing standby power consumption of a computer mainboard, wherein the control circuit comprises a processor, a user interface and a memory, and comprises a current monitoring module, a calculation and analysis module, a standby power supply and a processing module; and the current input of the computer mainboard can be converted in real time according to the output judgment result, so that the standby state of the computer mainboard can be controlled conveniently, and the power consumption of the computer mainboard in standby can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a control method, a circuit and a system for reducing standby power consumption of a computer mainboard.
Background
At present, the computer field is updated and updated very quickly, computers with various performances are in a variety, but the problem of power consumption of a computer mainboard in a standby state is not solved well all the time, so that the power consumption of the computer mainboard in the standby state is always high.
Disclosure of Invention
The invention aims to provide a control method, a circuit and a system for reducing the standby power consumption of a computer mainboard, and the power consumption of the computer mainboard during standby is reduced.
In order to achieve the above object, in a first aspect, the present invention provides a control method for reducing standby power consumption of a computer motherboard, including:
monitoring and judging the current difference between the input end and the output end of the computer mainboard in real time;
according to the abnormal judgment result, carrying out current limiting and consumption reducing treatment on the computer mainboard;
and correspondingly converting the current of the computer mainboard according to the conversion of the judgment result.
Wherein, carry out real-time supervision and judgement to the current difference between the input of computer motherboard and the output, include:
the monitoring device is used for monitoring the current of the input end and the output end of the current of the computer mainboard in real time, synchronously calculating the current difference between the input end and the output end, and comparing the current difference with a set threshold value.
Wherein, carry out real-time supervision and judgement to the current difference between the input of computer motherboard and the output, still include:
if the current difference is larger than the threshold value, judging that the computer mainboard is in a standby state, and outputting an abnormal detection result;
and if the current difference value is equal to the threshold value, judging that the computer mainboard is in a working state, and outputting a normal detection result.
Wherein, according to unusual judgement result, to computer motherboard carries out current-limiting and consumption reduction and handles, include:
and connecting the input end of the computer mainboard with a standby power supply according to the output abnormal judgment result, and closing the operation of a program connected with the computer mainboard.
Wherein, according to unusual judgement result, to computer motherboard carries out current-limiting and consumption reduction and handles, still includes:
and when the program is closed to run, cleaning and backing up the memory of the computer mainboard, and adjusting the brightness of the display screen or closing the display screen.
In a second aspect, the present invention provides a control circuit for reducing standby power consumption of a computer motherboard, wherein the control circuit for reducing standby power consumption of a computer motherboard comprises a current monitoring module, a calculation and analysis module, a standby power supply and a processing module, the current monitoring module, the calculation and analysis module and the standby power supply are connected in sequence, and the calculation and analysis module is further connected with the processing module;
the current monitoring module is used for monitoring the current of the input end and the output end of the current of the computer mainboard in real time;
the calculation analysis module is used for calculating according to the monitoring data of the current monitoring module and outputting a judgment result;
the standby power supply is used for outputting current to the computer mainboard when the computing and analyzing module outputs an abnormal detection result;
and the processing module is used for closing the operation of a program connected with the computer mainboard and adjusting the brightness of the display screen or closing the display screen when the calculation analysis module outputs the abnormal detection result.
In a third aspect, the present invention provides a control system for reducing standby power consumption of a computer motherboard, where the control system for reducing standby power consumption of a computer motherboard includes a processor, a user interface, and a memory, and the processor, the user interface, and the memory are connected to each other, where the memory is used to store a computer program, and the computer program includes program instructions, and the processor is configured to call the program instructions to execute the control method for reducing standby power consumption of a computer motherboard according to the first aspect.
The invention relates to a control method, a circuit and a system for reducing standby power consumption of a computer mainboard, which comprises a processor, a user interface and a memory, wherein the control circuit comprises a current monitoring module, a calculation and analysis module, a standby power supply and a processing module, firstly, the current input end and the current output end of the computer mainboard are monitored in real time, calculation and analysis are carried out according to the monitored current value, when an abnormal judgment result is output, the current input of the computer mainboard is changed, the operation of a program connected with the computer mainboard is closed, simultaneously, memory cleaning and backup are carried out on the computer mainboard, and the brightness of a display screen is adjusted or the display screen is closed; and the current input of the computer mainboard can be converted in real time according to the output judgment result, so that the standby state of the computer mainboard can be controlled conveniently, and the power consumption of the computer mainboard in standby can be effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic step diagram of a control method for reducing standby power consumption of a computer motherboard according to a first embodiment of the present invention.
Fig. 2 is a schematic step diagram of a control method for reducing standby power consumption of a computer motherboard according to a second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a control circuit for reducing standby power consumption of a computer motherboard according to the present invention.
Fig. 4 is a schematic structural diagram of a control system for reducing standby power consumption of a computer motherboard according to the present invention.
The device comprises a processor 1, a user interface 2, a memory 3, a current monitoring module 4, a calculation analysis module 5, a standby power supply 6, a processing module 7 and a conversion module 8.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, a first embodiment of the present invention provides a control method for reducing standby power consumption of a computer motherboard, including:
s101, monitoring and judging the current difference between the input end and the output end of the computer mainboard in real time.
Specifically, no matter in a normal working state or a standby state of the computer, current flows through the computer, so that the current flowing through a computer mainboard is monitored on line in real time by using a certain monitoring device, whether the computer mainboard is in the standby state or not can be monitored timely and quickly, then the monitored current is calculated and analyzed and is compared with a set threshold value for current change operation, if the current difference value is greater than the threshold value, the computer mainboard is judged to be in the standby state, and an abnormal detection result is output; if the current difference value is equal to the threshold value, judging that the computer mainboard is in a working state, and outputting a normal detection result; and if the current difference value is 0, judging that the computer mainboard is in a shutdown state. Through to the flow through the real-time online monitoring of the current value of computer mainboard, can be effectively in time quick grasp whether the computer mainboard is in standby state, it is right to be convenient for can quick start the consumption reduction operation of computer mainboard.
And S102, carrying out current limiting and consumption reducing treatment on the computer mainboard according to the abnormal judgment result.
Specifically, when the output judgment result is abnormal, the computer motherboard is in a standby state, firstly, a current path originally input into the computer motherboard from a main computer power supply is cut off, and the standby power supply 6 of the computer is used for supplying power to the computer motherboard in real time, the output current value of the standby power supply 6 is very small, the current requirement of the computer motherboard in the standby state can be met, the long-time current requirement on the main power supply is avoided, the current output of the computer is increased, and the power consumption of the computer motherboard is further increased, after the current switching is completed, the running of a computer program driven by the computer motherboard can be controlled to be closed through a controller, or the running program is temporarily controlled to be in a non-connected state, and the control of certain programs by the output current value or a control signal of the computer motherboard is avoided, and in order to ensure that data is not lost, all data needs to be backed up to a standby database of the computer before cleaning, so that all data before standby can be quickly found when the computer is converted into a normal working state.
When the computer motherboard is in a standby state, the demand on the current of the computer motherboard should be reduced as much as possible, so that the brightness of the corresponding display screen can be controlled and reduced, or the display screen is directly closed and processed on the screen, the control demand on the computer motherboard by the display screen is reduced, the rotating speed of the radiator can be controlled to be reduced or not to rotate by using the computer motherboard, the demand on the current is reduced, and the demand on the current is mainly reduced in order to reduce the output of the current of the computer motherboard, and further reduce the power consumption of the computer motherboard.
And S103, correspondingly converting the current of the computer mainboard according to the conversion of the judgment result.
Specifically, because utilize monitoring devices is in real-time on-line monitoring the current change condition of computer mainboard both sides, when monitoring the current value of the current input end or the output of computer mainboard is crescent suddenly, then control the current path of computer mainboard by stand-by power supply 6's input converts the main power input of computer into, guarantees the normal work conversion of computer to according to the switching signal that detects, awaken up the computer mainboard makes the computer mainboard resumes normal work, and external output control signal, both guaranteed right the quick monitoring and the processing of computer mainboard, also can guarantee the quick conversion of the operating condition of computer mainboard, it is right effectively to guarantee the reduction of the consumption when the computer mainboard awaits the opportune moment.
Referring to fig. 2, a second embodiment of the present invention provides a control method for reducing standby power consumption of a computer motherboard, including:
s201, monitoring and judging the current difference between the input end and the output end of the computer mainboard in real time.
Specifically, no matter in a normal working state or a standby state of the computer, current flows through the computer, so that the current flowing through a computer mainboard is monitored on line in real time by using a certain monitoring device, whether the computer mainboard is in the standby state or not can be monitored timely and quickly, then the monitored current is calculated and analyzed and is compared with a set threshold value for current change operation, if the current difference value is greater than the threshold value, the computer mainboard is judged to be in the standby state, and an abnormal detection result is output; if the current difference value is equal to the threshold value, judging that the computer mainboard is in a working state, and outputting a normal detection result; and if the current difference value is 0, judging that the computer mainboard is in a shutdown state. Through to the flow through the real-time online monitoring of the current value of computer mainboard, can be effectively in time quick grasp whether the computer mainboard is in standby state, it is right to be convenient for can quick start the consumption reduction operation of computer mainboard.
S202, carrying out current limiting and consumption reducing treatment on the computer mainboard according to the abnormal judgment result.
Specifically, when the output judgment result is abnormal, the computer motherboard is in a standby state, firstly, a current path originally input into the computer motherboard from a main computer power supply is cut off, and the standby power supply 6 of the computer is used for supplying power to the computer motherboard in real time, the output current value of the standby power supply 6 is very small, the current requirement of the computer motherboard in the standby state can be met, the long-time current requirement on the main power supply is avoided, the current output of the computer is increased, and the power consumption of the computer motherboard is further increased, after the current switching is completed, the running of a computer program driven by the computer motherboard can be controlled to be closed through a controller, or the running program is temporarily controlled to be in a non-connected state, and the control of certain programs by the output current value or a control signal of the computer motherboard is avoided, and in order to ensure that data is not lost, all data needs to be backed up to a standby database of the computer before cleaning, so that all data before standby can be quickly found when the computer is converted into a normal working state.
When the computer motherboard is in a standby state, the demand on the current of the computer motherboard should be reduced as much as possible, so that the brightness of the corresponding display screen can be controlled and reduced, or the display screen is directly closed and processed on the screen, the control demand on the computer motherboard by the display screen is reduced, the rotating speed of the radiator can be controlled to be reduced or not to rotate by using the computer motherboard, the demand on the current is reduced, and the demand on the current is mainly reduced in order to reduce the output of the current of the computer motherboard, and further reduce the power consumption of the computer motherboard.
And S203, correspondingly converting the current of the computer mainboard according to the conversion of the judgment result.
Specifically, because utilize monitoring devices is in real-time on-line monitoring the current change condition of computer mainboard both sides, when monitoring the current value of the current input end or the output of computer mainboard is crescent suddenly, then control the current path of computer mainboard by stand-by power supply 6's input converts the main power input of computer into, guarantees the normal work conversion of computer to according to the switching signal that detects, awaken up the computer mainboard makes the computer mainboard resumes normal work, and external output control signal, both guaranteed right the quick monitoring and the processing of computer mainboard, also can guarantee the quick conversion of the operating condition of computer mainboard, it is right effectively to guarantee the reduction of the consumption when the computer mainboard awaits the opportune moment.
And S204, performing standby or shutdown operation according to the stay time of the abnormal judgment result.
Specifically, when the time when the abnormality determination result is received starts, the abnormality determination result is timely compared with a preset retention time threshold, where the retention time threshold may be a specific time or a time period set by an operator, and when the time when the abnormality determination result occurs exceeds or just reaches the preset retention time threshold, the turn-off relay is controlled to turn off the power supply of the whole computer, so that the computer motherboard is in a non-operating state and has zero energy consumption, and when the time when the abnormality determination result occurs is less than the preset retention time, the computer motherboard is in a standby state, and then the consumption reduction operation is performed according to the method of S202, so that the energy consumption of the computer in the standby state at the previous time can be reduced.
And because the input of the power supply is closed to the computer which is in standby for a long time, when the computer needs to be restarted, the power supply key needs to be restarted to enable the computer to be powered on again, and a wake-up signal is sent to the computer mainboard to wake up the computer mainboard for working while the power supply key is restarted.
Referring to fig. 3, the present invention provides a control circuit for reducing standby power consumption of a computer motherboard, where the control circuit for reducing standby power consumption of a computer motherboard includes a current monitoring module 4, a calculation and analysis module 5, a standby power supply 6, and a processing module 7, the current monitoring module 4, the calculation and analysis module 5, and the standby power supply 6 are connected in sequence, and the calculation and analysis module 5 is further connected to the processing module 7;
the current monitoring module 4 is used for monitoring the current of the input end and the output end of the current of the computer mainboard in real time;
the calculation analysis module 5 is used for calculating according to the monitoring data of the current monitoring module 4 and outputting a judgment result;
the standby power supply 6 is used for outputting current to a computer mainboard when the calculation and analysis module 5 outputs an abnormal detection result;
and the processing module 7 is configured to close operation of a program connected to the computer motherboard and adjust brightness of the display screen or close the display screen when the calculation and analysis module 5 outputs the abnormality detection result.
In this embodiment, the current monitoring module 4 is first used to perform real-time online monitoring on the input end and the output end of the computer motherboard current, and then the monitored data is transmitted to the calculation and analysis module 5 in real time to perform difference calculation of the current value, and the calculated current difference value is compared and analyzed with the set threshold value, so as to approximately output three calculation results: if the current difference is larger than the threshold value, judging that the computer mainboard is in a standby state, and outputting an abnormal detection result; if the current difference value is equal to the threshold value, judging that the computer mainboard is in a working state, and outputting a normal detection result; and if the current difference value is 0, judging that the computer mainboard is in a shutdown state. When the output is an abnormal result, firstly, the current of the standby power supply 6 is input into the computer mainboard to supply power to the mainboard, the input of a power supply of a main power supply is reduced, the power consumption of the mainboard is increased, and after the current switching is completed, the processing module 7 is utilized to close the running of a program connected with the computer mainboard and adjust the brightness of a display screen or close the display screen; or the operation of the radiator is closed or the operation power of the radiator is reduced, and meanwhile, useless memory can be cleaned, so that the current output of the mainboard is reduced to the minimum, and the power consumption of the computer mainboard in standby is further reduced.
Further, the control circuit for reducing the standby power consumption of the computer motherboard further comprises a conversion module 8, and the conversion module 8 is connected with the current monitoring module 4 and the standby power supply 6;
and the conversion module 8 is used for controlling the output of the standby power supply 6 according to the monitoring data of the current monitoring module 4.
In this embodiment, the conversion module 8 is utilized to switch the current input of the computer motherboard to the utilization of the standby power supply 6 when the current monitoring module 4 monitors that the motherboard is in the standby state, and when the current monitoring module 4 monitors that the motherboard recovers to the normal working state, the current path can be quickly switched to the power supply of the main power supply through the conversion module 8, so as to ensure the normal current supply of the computer motherboard and also ensure the reduction of the power consumption when the motherboard is in the standby state.
Referring to fig. 4, the present invention provides a control system for reducing standby power consumption of a computer motherboard, where the control system for reducing standby power consumption of a computer motherboard includes a processor 1, a user interface 2, and a memory 3, and the processor 1, the user interface 2, and the memory 3 are connected to each other, where the memory 3 is used to store a computer program, and the computer program includes program instructions, and the processor 1 is configured to call the program instructions to execute the control method for reducing standby power consumption of a computer motherboard according to the first aspect.
In this embodiment, the memory 3 is used to store program instructions capable of controlling all operations of the computer, and when the processor 1 monitors that the computer motherboard is in a standby state, the program instructions stored in the memory 3 are called to perform consumption reduction operations on the computer motherboard, thereby improving the response speed and convenience of consumption reduction.
The invention relates to a control method, a circuit and a system for reducing standby power consumption of a computer mainboard, which comprises a processor 1, a user interface 2 and a memory 3, wherein the control circuit comprises a current monitoring module 4, a calculation and analysis module 5, a standby power supply 6 and a processing module 7, firstly, the current input end and the current output end of the computer mainboard are monitored in real time, calculation and analysis are carried out according to the monitored current values, when an abnormal judgment result is output, the current input of the computer mainboard is changed, the operation of a program connected with the computer mainboard is closed, simultaneously, memory cleaning and backup are carried out on the computer mainboard, and the brightness of a display screen is adjusted or the display screen is closed; and the current input of the computer mainboard can be converted in real time according to the output judgment result, so that the standby state of the computer mainboard can be controlled conveniently, and the power consumption of the computer mainboard in standby can be effectively reduced.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A control method for reducing standby power consumption of a computer mainboard is characterized by comprising the following steps:
monitoring and judging the current difference between the input end and the output end of the computer mainboard in real time;
according to the abnormal judgment result, carrying out current limiting and consumption reducing treatment on the computer mainboard;
and correspondingly converting the current of the computer mainboard according to the conversion of the judgment result.
2. The control method for reducing the standby power consumption of the computer motherboard according to claim 1, wherein the real-time monitoring and judgment of the current difference between the input end and the output end of the computer motherboard comprises:
the monitoring device is used for monitoring the current of the input end and the output end of the current of the computer mainboard in real time, synchronously calculating the current difference between the input end and the output end, and comparing the current difference with a set threshold value.
3. The control method for reducing the standby power consumption of the computer motherboard according to claim 2, wherein the current difference between the input end and the output end of the computer motherboard is monitored and judged in real time, further comprising:
if the current difference is larger than the threshold value, judging that the computer mainboard is in a standby state, and outputting an abnormal detection result;
and if the current difference value is equal to the threshold value, judging that the computer mainboard is in a working state, and outputting a normal detection result.
4. The control method for reducing the standby power consumption of the computer motherboard according to claim 3, wherein the current limiting and consumption reducing processing is performed on the computer motherboard according to the abnormal judgment result, and the method comprises the following steps:
and connecting the input end of the computer mainboard with a standby power supply according to the output abnormal judgment result, and closing the operation of a program connected with the computer mainboard.
5. The control method for reducing the standby power consumption of the computer motherboard according to claim 4, wherein the current limiting and the consumption reducing are performed on the computer motherboard according to the abnormal judgment result, further comprising:
and when the program is closed to run, cleaning and backing up the memory of the computer mainboard, and adjusting the brightness of the display screen or closing the display screen.
6. A control circuit for reducing the standby power consumption of a computer motherboard is characterized in that,
the control circuit for reducing the standby power consumption of the computer mainboard comprises a current monitoring module, a calculation and analysis module, a standby power supply and a processing module, wherein the current monitoring module, the calculation and analysis module and the standby power supply are sequentially connected, and the calculation and analysis module is also connected with the processing module;
the current monitoring module is used for monitoring the current of the input end and the output end of the current of the computer mainboard in real time;
the calculation analysis module is used for calculating according to the monitoring data of the current monitoring module and outputting a judgment result;
the standby power supply is used for outputting current to the computer mainboard when the computing and analyzing module outputs an abnormal detection result;
and the processing module is used for closing the operation of a program connected with the computer mainboard and adjusting the brightness of the display screen or closing the display screen when the calculation analysis module outputs the abnormal detection result.
7. A control system for reducing the standby power consumption of a computer motherboard is characterized in that,
the control system for reducing the standby power consumption of the computer mainboard comprises a processor, a user interface and a memory, wherein the processor, the user interface and the memory are connected with each other, the memory is used for storing a computer program, the computer program comprises program instructions, and the processor is configured to call the program instructions and execute the control method for reducing the standby power consumption of the computer mainboard as claimed in any one of the claims 1 to 5.
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| CN113623822A (en) * | 2021-08-23 | 2021-11-09 | 宁波奥克斯电气股份有限公司 | Air conditioner energy-saving control method, air conditioner and computer readable storage medium |
| CN115792364A (en) * | 2023-02-07 | 2023-03-14 | 南京美斯玛微电子技术有限公司 | Power consumption calculation method based on standby state analysis |
| CN115940588A (en) * | 2023-03-15 | 2023-04-07 | 南京美斯玛微电子技术有限公司 | Control method of zero-power-consumption standby switching power supply |
| CN116502571A (en) * | 2023-06-26 | 2023-07-28 | 南京美斯玛微电子技术有限公司 | Design method of standby zero-power-consumption system |
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Denomination of invention: A control method, circuit, and system for reducing standby power consumption of computer motherboards Effective date of registration: 20231211 Granted publication date: 20210810 Pledgee: Guanlan Sub Branch of Shenzhen Rural Commercial Bank Co.,Ltd. Pledgor: SHENZHEN ITZR TECHNOLOGY Co.,Ltd. Registration number: Y2023980070687 |