CN111464004A - Digital power supply and control method thereof - Google Patents
Digital power supply and control method thereof Download PDFInfo
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- CN111464004A CN111464004A CN202010445377.3A CN202010445377A CN111464004A CN 111464004 A CN111464004 A CN 111464004A CN 202010445377 A CN202010445377 A CN 202010445377A CN 111464004 A CN111464004 A CN 111464004A
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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
-
- 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
- H02M1/0012—Control circuits using digital or numerical techniques
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- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses a digital power supply and a control method thereof, and the digital power supply comprises a power supply unit, wherein the power supply unit is provided with a controller unit, the power supply unit further comprises a distribution unit, a power supply protection unit, a filtering unit, a clock unit, a control circuit, an interface, an output circuit, a display unit, a detection unit and a buffer unit, the distribution unit is connected with the filtering unit and controls the frequency of output current, the filtering unit is connected with the clock unit and sets the time of the clock unit and outputs the current at fixed time, the output circuit is connected with the buffer unit, the display unit and the detection unit, the detection unit is connected with the interface, the interface is provided with a plurality of interfaces, a controller of the controller unit is a digital signal processor, and the control circuit is connected with the power supply. The invention takes the digital signal processor as a core, has more accurate control and high control efficiency, improves the stability and the safety of the power supply, has concise functions, more conveniently realizes the fusion among all modules, improves the reliability of the power supply system and has low cost.
Description
Technical Field
The invention relates to the technical field of intelligent power supplies, in particular to a digital power supply and a control method thereof.
Background
The essence of digital power supply lies in that the PWM regulation of the power supply to the output current/voltage is generated by a digital chip according to a certain digital control mode and algorithm, which is the most essential characteristic of digital power supply, and at present, digital power supply has many definitions: a switch power supply controlled by a digital interface (emphasizing the 'communication' function of the digital power supply), a switch power supply with a digital control function (emphasizing the 'numerical control' function of the digital power supply), a switch power supply with a digital monitoring function (emphasizing the 'monitoring' function of the digital power supply to parameters such as temperature and the like), a power supply product which takes a Digital Signal Processor (DSP) or a Microcontroller (MCU) as a core and takes a digital power supply driver, a PWM controller and the like as control objects to realize the control, management and monitoring functions, changes the external characteristics of the switch power supply by setting the internal parameters of the switch power supply and adds 'power supply management' on the basis of 'power supply control', wherein the power supply management means that the power supply is effectively distributed to different components of a system to reduce the loss to the maximum extent, compared with the traditional analog power supply, the digital power supply has the main difference of a control part and a communication part, and has more advantages in an analog power supply product in an application occasion with simplicity, easiness in use and low requirement on parameter change because the application pertinence can be realized by hardware solidification, and the digital power supply has advantages in complex high-performance system application with more controllable factors, higher real-time response speed, multiple analog system power supplies for management, and complex digital power supply structure, complex control among different modules, high manufacturing cost and low power supply safety.
Disclosure of Invention
The invention aims to provide a digital power supply and a control method thereof, which take a digital signal processor as a core, have more accurate control and high control efficiency, improve the stability and the safety of the power supply, have concise functions, more conveniently realize the fusion among modules, improve the reliability of a power supply system and have low cost.
The purpose of the invention can be realized by the following technical scheme:
a digital power supply comprises a power supply unit, wherein a controller unit is arranged on the power supply unit, and the power supply unit further comprises a distribution unit, a power supply protection unit, a filtering unit, a clock unit, a control circuit, an interface, an output circuit, a display unit, a detection unit and a buffer unit;
the distribution unit is connected with the filtering unit and controls the frequency of the output current;
the filtering unit is connected with the clock unit, and is used for setting the time of the clock unit and outputting current at regular time.
The output circuit is connected with the buffer unit, the display unit and the detection unit, the detection unit is connected with the interfaces, and the interfaces are provided with a plurality of interfaces.
Further, the controller of the controller unit is a digital signal processor.
Further, the control circuit is connected with the power protection unit and the controller unit.
Further, the clock unit is connected with the output circuit.
A digital power supply control method comprises the following steps:
the method comprises the following steps: connecting a power supply unit with power supply equipment, setting a plurality of interfaces, setting parameters of a filtering unit and providing constant-frequency current;
step two: setting parameters of a clock unit, setting the parameters to be fixed time duration/unlimited time duration, and accessing equipment needing power supply to an interface;
step three: different interfaces have different access devices, and different parameters are set;
step four: the detection unit detects the current state, and when the overload occurs, the power protection unit controls the distribution unit to disconnect the corresponding interface.
The invention has the beneficial effects that:
1. the invention takes the digital signal processor as a core, the control is more accurate, the control efficiency is high, and the stability and the safety of the power supply are improved;
2. the invention has simple function, more convenient fusion among modules, improved reliability of the power supply system and low cost.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a digital power supply according to the present invention;
FIG. 2 is a schematic diagram of a digital power supply of the present invention
Fig. 3 is a schematic diagram of a partial structure of the digital power supply of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
A digital power supply comprises a power supply unit 1, as shown in fig. 1, a controller unit 2 is arranged on the power supply unit 1, and the power supply unit 1 further comprises a distribution unit 3, a power supply protection unit 4, a filter unit 5, a clock unit 6, a control circuit 7, an interface 8, an output circuit 9, a display unit 10, a detection unit 11 and a buffer unit 12.
The distribution unit 3 is connected to the filter unit 5, and controls the frequency of the output current.
The filtering unit 5 is connected with the clock unit 6, and sets the time of the clock unit 6 to output current at fixed time.
The output circuit 9 is connected with the buffer unit 12, the display unit 10 and the detection unit 11, the detection unit 11 is connected with the interface 8, and the interface 8 is provided with a plurality of interfaces.
The controller of the controller unit 2 is a digital signal processor.
The control circuit 7 connects the power protection unit 4 and the controller unit 2.
The clock unit 6 is connected to an output circuit 9,
a digital power supply control method comprises the following steps:
the method comprises the following steps: connecting a power supply unit 1 with power supply equipment, setting a plurality of interfaces 8, setting parameters of a filtering unit 5 and providing constant-frequency current;
step two: setting parameters of a clock unit 6, setting the parameters to be fixed time duration/unlimited time duration, and accessing equipment needing power supply to an interface 8;
step three: different interfaces 8 are different in equipment access, and different parameters are set;
step four: the detection unit 11 detects the current state, and when the overload occurs, the power protection unit 4 controls the distribution unit 3 to disconnect the corresponding interface 8.
Example 1
A digital power supply control method comprises the following steps:
the method comprises the following steps: connecting a power supply unit 1 with power supply equipment, setting a plurality of interfaces 8, setting parameters of a filtering unit 5 and providing constant-frequency current;
step two: setting parameters of a clock unit 6, setting the parameters to be fixed time length, and accessing equipment needing power supply to an interface 8;
step three: different interfaces 8 are different in equipment access, and different parameters are set;
step four: the detection unit 11 detects the current state, and when the overload occurs, the power protection unit 4 controls the distribution unit 3 to disconnect the corresponding interface 8.
Example 2
A digital power supply control method comprises the following steps:
the method comprises the following steps: connecting a power supply unit 1 with power supply equipment, setting a plurality of interfaces 8, setting parameters of a filtering unit 5 and providing constant-frequency current;
step two: setting parameters of a clock unit 6, setting the parameters to be unlimited time duration, and accessing equipment needing power supply to an interface 8;
step three: different interfaces 8 are different in equipment access, and different parameters are set;
step four: the detection unit 11 detects the current state, and when the overload occurs, the power protection unit 4 controls the distribution unit 3 to disconnect the corresponding interface 8.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (5)
1. A digital power supply comprises a power supply unit (1), and is characterized in that a controller unit (2) is arranged on the power supply unit (1), and the power supply unit (1) further comprises a distribution unit (3), a power supply protection unit (4), a filtering unit (5), a clock unit (6), a control circuit (7), an interface (8), an output circuit (9), a display unit (10), a detection unit (11) and a buffer unit (12);
the distribution unit (3) is connected with the filtering unit (5) and controls the frequency of the output current;
the filtering unit (5) is connected with the clock unit (6), and is used for setting the time of the clock unit (6) and outputting current at fixed time.
The output circuit (9) is connected with the buffer unit (12), the display unit (10) and the detection unit (11), the detection unit (11) is connected with the interface (8), and the interface (8) is provided with a plurality of interfaces.
2. A digital power supply according to claim 1, characterized in that the controller of the controller unit (2) is a digital signal processor.
3. A digital power supply according to claim 1, characterized in that the control circuit (7) connects the power protection unit (4) with the controller unit (2).
4. A digital power supply according to claim 1, characterized in that the clock unit (6) is connected to the output circuit (9).
5. A digital power supply control method is characterized by comprising the following steps:
the method comprises the following steps: connecting a power supply unit (1) with power supply equipment, setting a plurality of interfaces (8), setting parameters of a filtering unit (5) and providing constant-frequency current;
step two: setting parameters of a clock unit (6), setting the parameters to be fixed time duration/unlimited time duration, and accessing equipment needing power supply to an interface (8);
step three: different interfaces (8) are connected with different devices, and different parameters are set;
step four: the detection unit (11) detects the current state, and when the overload occurs, the power supply protection unit (4) controls the distribution unit (3) to disconnect the corresponding interface (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010445377.3A CN111464004A (en) | 2020-05-24 | 2020-05-24 | Digital power supply and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010445377.3A CN111464004A (en) | 2020-05-24 | 2020-05-24 | Digital power supply and control method thereof |
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| CN111464004A true CN111464004A (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117453185A (en) * | 2023-10-26 | 2024-01-26 | 湖南恩智测控技术有限公司 | Embedded system of digital power supply and digital power supply |
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| KR20120058900A (en) * | 2010-11-30 | 2012-06-08 | 엘에스산전 주식회사 | Backplane of Programmable Logic Controller, and PLC system and power consumption monitoring method in PLC system using thereof |
| KR101361159B1 (en) * | 2012-10-25 | 2014-02-13 | (주)로뎀기술 | Apparatus and method for controlling voltage of multi channel power supply system for plc |
| CN104865998A (en) * | 2014-12-10 | 2015-08-26 | 重庆希诺达通信有限公司 | Programmable control single-phase alternating current power supply device |
| CN210246623U (en) * | 2019-10-09 | 2020-04-03 | 河南瑞目电力科技股份有限公司 | Multi-path programmable variable frequency power supply system |
| CN210519152U (en) * | 2019-07-25 | 2020-05-12 | 镇江英创电力电子有限公司 | Programmable digital direct current power supply |
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2020
- 2020-05-24 CN CN202010445377.3A patent/CN111464004A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854922Y (en) * | 2005-11-02 | 2007-01-03 | 珠海泰坦科技股份有限公司 | Single-phase variable frequency constant-current source |
| CN201654590U (en) * | 2009-11-17 | 2010-11-24 | 北京普源精电科技有限公司 | Digital power supply with channel control function |
| KR20120058900A (en) * | 2010-11-30 | 2012-06-08 | 엘에스산전 주식회사 | Backplane of Programmable Logic Controller, and PLC system and power consumption monitoring method in PLC system using thereof |
| KR101361159B1 (en) * | 2012-10-25 | 2014-02-13 | (주)로뎀기술 | Apparatus and method for controlling voltage of multi channel power supply system for plc |
| CN104865998A (en) * | 2014-12-10 | 2015-08-26 | 重庆希诺达通信有限公司 | Programmable control single-phase alternating current power supply device |
| CN210519152U (en) * | 2019-07-25 | 2020-05-12 | 镇江英创电力电子有限公司 | Programmable digital direct current power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117453185A (en) * | 2023-10-26 | 2024-01-26 | 湖南恩智测控技术有限公司 | Embedded system of digital power supply and digital power supply |
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Application publication date: 20200728 |