CN205385411U - Digit adjustable power based on vicor module - Google Patents
Digit adjustable power based on vicor module Download PDFInfo
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- CN205385411U CN205385411U CN201521109588.0U CN201521109588U CN205385411U CN 205385411 U CN205385411 U CN 205385411U CN 201521109588 U CN201521109588 U CN 201521109588U CN 205385411 U CN205385411 U CN 205385411U
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Abstract
The utility model belongs to power electronics specifically is a digit adjustable power based on vicor module, has solved current vicor module pressure regulating circuit and has adopted simulation potentiometer mode, has the problem of non - isolation and unable long -range accurate control, has the configuration convenience, and the suitability can be strong, it does not have the electric isolation to have eliminated between simulation potentiometer and the main circuit, lead to the vicor module to receive the analog quantity easily and disturb, causes core power device vicor module to damage, stability and reliability hidden danger inadequately, remote control vicor module output voltage can be realized, the current situation that the analog quantity regulative mode is difficult to realize remote control vicor module output voltage has been changed, simultaneously, DCDC and the ACDC module that can also use in the any voltage control of having function.
Description
Technical field
This utility model belongs to Power Electronic Technique, specifically a kind of digital regulated power supply based on vicor module.
Background technology
Power supply is the device providing power to electronic equipment, and also referred to as power supply unit, it provides the electric energy in computer required for all parts.Whether the size of power, electric current and voltage is stable, will directly affect service behaviour and the service life of computer.Power type is various, is broadly divided into: Switching Power Supply, inverter, alternating current steady voltage plug, D.C. regulated power supply, DC/DC power supply, communication power supply, modular power source, variable-frequency power sources, ups power, EPS emergency power supply, power conditioner, PC power source, rectifier power source, customization power supply, heating power supply, the source of welding current/arc power, electroplating power supply, network electric power, electric operation power, adaptor power supplies, linear power supply, power-supply controller of electric/driver, power power-supply, other common powers, inverter, parameter power supply, voltage controller power source, transformer frequency response.
At present, on market, the power supply of main flow is the power supply of the various models that VICOR company produces.Traditional Vicor module regulating circuit adopts simulation potentiometer mode, there is non-isolated and the problem that cannot remotely accurately control.Owing to there is no electrical isolation between simulation potentiometer and main circuit, it is easy to cause that Vicor module is subject to analog quantity interference, cause core power device Vicor module damage, stability and reliability not enough.In the application needing Remote Vicor module output voltage, analog quantity regulative mode is difficult to meet especially, even if adopting simple DAC to regulate the accurate control being also difficult to Vicor module output voltage.
Utility model content
The purpose of this utility model is in that to solve above-mentioned deficiency, it is provided that a kind of digital regulated power supply based on vicor module, including Vicor module, also includes ADC sampling module, DAC adjustment module, MCU unit;Described ADC sampling module electrically connects with MCU unit, and DAC adjustment module is arranged between MCU unit and Vicor module;
Described ADC sampling module is for gathering the magnitude of voltage of VICOR module output voltage, and is undertaken magnitude of voltage processing, converting, and is then communicated to MUC unit;
Described DAC adjustment module, for receiving the adjustment information regulating VICOR module output voltage that MCU unit sends, and is adjusted VICOR module;
Described MCU unit, gathers the magnitude of voltage of VICOR module output voltage, and compares with the standard voltage value set for receiving ADC sampling module, then controls DAC adjustment module and VICOR module output voltage is adjusted.
It is additionally provided with pi regulator between described MCU unit and DAC adjustment module.
Described pi regulator is used for regulating electric current.
Described pi regulator is used for regulating voltage.
Described MCU unit is provided with input port, is used for connecting input equipment.
Described input equipment is keyboard.
Described input port is RS485.
Described MCU unit is connected to communication unit, communicates for computer or remote controller.
Described communication unit is the communication unit based on CAN communication agreement.
The utility model has the advantages that: this utility model provides this digital regulated power supply based on vicor module, solve existing Vicor module regulating circuit and adopt simulation potentiometer mode, there is non-isolated and the problem that cannot remotely accurately control, there is configuration convenient, applicable performance is strong, can for different Vicor module models and specific output voltage range of accommodation, only need two resistance values and the PI parameter of change preload circuit, when range of regulation is smaller, it is also possible to save preload circuit;Eliminate and there is no electrical isolation between simulation potentiometer and main circuit, it is easy to cause that Vicor module is subject to analog quantity interference, cause the hidden danger that core power device Vicor module damage, stability and reliability are not enough;Remote Vicor module output voltage can be realized, change analog quantity regulative mode and be difficult to remotely control the present situation of Vicor module output voltage;At the same time it can also be applied in any DC/DC and AC/DC module with voltage-regulation function.
Below with reference to accompanying drawing, this utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is this module connection diagram based on the digital regulated power supply of vicor module.
Fig. 2 is this pi regulator loop schematic diagram based on the digital regulated power supply of vicor module.
Fig. 3 is this preload circuit diagram based on the digital regulated power supply of vicor module.
Fig. 4 is DAC adjustment module circuit diagram.
Fig. 5 is telecommunication circuit.
Fig. 6 is MCU element circuit connection diagram.
Fig. 7 is current sampling circuit figure.
Fig. 8 is voltage sampling circuit figure.
Fig. 9 is input through keyboard circuit.
Detailed description of the invention
The purpose of this utility model is to overcome existing Vicor module regulating circuit to adopt simulation potentiometer mode, there is non-isolated and the problem that cannot remotely accurately control.
For reaching above-mentioned purpose, this utility model is realized by following example:
Embodiment 1:
Electrical isolation is not had, it is easy to cause that Vicor module is subject to analog quantity interference, cause core power device Vicor module damage, stability and reliability not enough between existing simulation potentiometer and main circuit.In the application needing Remote Vicor module output voltage, analog quantity regulative mode is difficult to meet especially, even if adopting simple DAC to regulate the problem accurately controlled also being difficult to Vicor module output voltage.
Regulating voltage Problems existing to solve simulation potentiometer, this utility model provides a kind of digital regulated power supply based on vicor module as shown in Figure 1, including Vicor module, also includes ADC sampling module, DAC adjustment module, MCU unit;Described ADC sampling module electrically connects with MCU unit, and DAC adjustment module is arranged between MCU unit and Vicor module;ADC sampling module is for gathering the magnitude of voltage of VICOR module output voltage, and is undertaken magnitude of voltage processing, converting, and is then communicated to MUC unit;DAC adjustment module, for receiving the adjustment information regulating VICOR module output voltage that MCU unit sends, and is adjusted VICOR module;MCU unit, gathers the magnitude of voltage of VICOR module output voltage, and compares with the standard voltage value set for receiving ADC sampling module, then controls DAC adjustment module and VICOR module output voltage is adjusted.
In said units module, Fig. 4 is DAC adjustment module circuit diagram, and Fig. 6 is MCU element circuit connection diagram.
In order to enable the wide scope of output voltage to be adjusted, ensure minimum loss simultaneously, preload circuit in Fig. 1 is divided into two-stage, when regulating voltage less than first electrical voltage point (such as 20V), open first order Mosfet, when regulating voltage less than second electrical voltage point (such as 10V), then open second level Mosfet, as shown in Figure 3.
Based on the digital regulated power supply of vicor module, existing Vicor module regulating circuit should be solved and adopts simulation potentiometer mode, there is non-isolated and the problem that cannot remotely accurately control, there is configuration convenient, the advantage that applicable performance is strong.
Embodiment 2:
In order to make this based on the digital regulated power supply of vicor module, can realize more accurately controlling to VICOR module, on the basis of embodiment 1, it is additionally provided with pi regulator between described MCU unit and DAC adjustment module, when output voltage exists error with given voltage, after pi regulator computing, control the output of DAC unit in real time, thus dynamically adjusting the output voltage of Vicor module, finally make the output voltage error with given voltage close to zero, accomplish digitized precise pressure regulation.
Needs according to practical application, the above-mentioned pi regulator control instruction according to MCU unit, it is used for regulating electric current or voltage, thus reaching the effect of stabling current or voltage, Fig. 7 is current sampling circuit figure, Fig. 8 is voltage sampling circuit figure;If need electric current and voltage are adjusted simultaneously, it is possible to arrange two adjustment rings as shown in Figure 2, one is used for regulating voltage, and one is used for regulating electric current, thus reaching the effect of stabling current and voltage.
Embodiment 3:
For established standards voltage or current value, described MCU unit is provided with input port, is used for connecting input equipment, and common input equipment is keyboard, is illustrated in figure 9 input through keyboard circuit;The port that input equipment is connected with MCU unit is RS485 connectivity port.
It should be noted that, this digital voltage regulation power circuit can be applied on whole Vicor brick DC/DC transducer, such as, apply in based on the AC/DC power supply of Vicor Development of Module, telecommunication can accurately regulate the output voltage of power supply, being connected by the trim end of DAC regulon with the DC/DC module of Vicor, the setting making electric power output voltage is more flexible, reduces development cost.And for example, the application program in the DC/DC transducer of trim end or AC/DC so that can reducing hardware cost during exploitation collocation type power supply, extensibility is better.
In order to realize remote communication, described MCU unit is connected to communication unit, communicates for computer or remote controller;Described communication unit is the communication unit based on CAN communication agreement, is illustrated in figure 5 telecommunication circuit.
Exemplified as above is only to illustration of the present utility model, is not intended that the restriction to protection domain of the present utility model, every belongs within protection domain of the present utility model with the same or analogous design of this utility model.
Claims (9)
1. based on a digital regulated power supply for vicor module, including Vicor module, it is characterised in that: also include ADC sampling module, DAC adjustment module, MCU unit;Described ADC sampling module electrically connects with MCU unit, and DAC adjustment module is arranged between MCU unit and Vicor module;
Described ADC sampling module is for gathering the magnitude of voltage of VICOR module output voltage, and is undertaken magnitude of voltage processing, converting, and is then communicated to MUC unit;
Described DAC adjustment module, for receiving the adjustment information regulating VICOR module output voltage that MCU unit sends, and is adjusted VICOR module;
Described MCU unit, gathers the magnitude of voltage of VICOR module output voltage, and compares with the standard voltage value set for receiving ADC sampling module, then controls DAC adjustment module and VICOR module output voltage is adjusted.
2. the digital regulated power supply based on vicor module as claimed in claim 1, it is characterised in that: it is additionally provided with pi regulator between described MCU unit and DAC adjustment module.
3. the digital regulated power supply based on vicor module as claimed in claim 2, it is characterised in that: described pi regulator is used for regulating electric current.
4. the digital regulated power supply based on vicor module as claimed in claim 2, it is characterised in that: described pi regulator is used for regulating voltage.
5. the digital regulated power supply based on vicor module as claimed in claim 1, it is characterised in that: described MCU unit is provided with input port, is used for connecting input equipment.
6. the digital regulated power supply based on vicor module as claimed in claim 5, it is characterised in that: described input equipment is keyboard.
7. the digital regulated power supply based on vicor module as claimed in claim 5, it is characterised in that: described input port is RS485.
8. the digital regulated power supply based on vicor module as claimed in claim 1, it is characterised in that: described MCU unit is connected to communication unit, communicates for computer or remote controller.
9. the digital regulated power supply based on vicor module as claimed in claim 8, it is characterised in that: described communication unit is for the communication unit based on CAN communication agreement.
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CN201521109588.0U CN205385411U (en) | 2015-12-29 | 2015-12-29 | Digit adjustable power based on vicor module |
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CN201521109588.0U CN205385411U (en) | 2015-12-29 | 2015-12-29 | Digit adjustable power based on vicor module |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106786614A (en) * | 2016-12-21 | 2017-05-31 | 中国电子科技集团公司第三十二研究所 | Automatic power supply voltage compensation device based on 4-20 mA current loop and use method thereof |
CN115291544A (en) * | 2022-07-22 | 2022-11-04 | 北京无线电测量研究所 | Remote numerical control power supply voltage regulating circuit |
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2015
- 2015-12-29 CN CN201521109588.0U patent/CN205385411U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106786614A (en) * | 2016-12-21 | 2017-05-31 | 中国电子科技集团公司第三十二研究所 | Automatic power supply voltage compensation device based on 4-20 mA current loop and use method thereof |
CN106786614B (en) * | 2016-12-21 | 2020-04-24 | 中国电子科技集团公司第三十二研究所 | Automatic power supply voltage compensation device based on 4-20 mA current loop and use method thereof |
CN115291544A (en) * | 2022-07-22 | 2022-11-04 | 北京无线电测量研究所 | Remote numerical control power supply voltage regulating circuit |
CN115291544B (en) * | 2022-07-22 | 2024-09-27 | 北京无线电测量研究所 | Remote numerical control power supply voltage regulating circuit |
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