CN203933403U - A kind of novel off-line type numerically controlled intelligent Switching Power Supply - Google Patents
A kind of novel off-line type numerically controlled intelligent Switching Power Supply Download PDFInfo
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- CN203933403U CN203933403U CN201420212676.2U CN201420212676U CN203933403U CN 203933403 U CN203933403 U CN 203933403U CN 201420212676 U CN201420212676 U CN 201420212676U CN 203933403 U CN203933403 U CN 203933403U
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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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Abstract
The utility model discloses a kind of novel off-line type numerically controlled intelligent Switching Power Supply; comprise importation, output and numerical control part; this importation comprises the filtering protection module, voltage lifting PFC circuit module and the inverse-excitation type voltage acquisition module that connect successively; this output is the inverse-excitation type output circuit with output interface; this numerical control part comprises MCU microcontroller or the high analogy driver IC of cost performance, and numerical control part is by Mosfet transistor or npn transistor change over switch control pfc circuit and inverse-excitation type output circuit.Compared with prior art, the beneficial effects of the utility model are: this switch intelligence is effective, and cost performance is high, and cost is low, and micro-power consumption is saved electric energy, more easily promotes the use of.
Description
Technical field
The utility model relates to intelligent switch field, specifically a kind of novel off-line type numerically controlled intelligent Switching Power Supply.
Background technology
Intelligent switch is automatically according to the small electric apparatus equipment of the operation of signal controlling equipment, is widely used in each intelligent field, is particularly widely used in mobile phone, camera and video player etc. at daily life field.
A little less than the signal of the numerical control part output of most intelligent switch, also inaccuracy, intelligent effect is bad, and its price is high, and cost performance is low, is difficult for being received by users, has stoped further developing of this intelligent switch.
Summary of the invention
The purpose of this utility model is to provide the novel off-line type numerically controlled intelligent Switching Power Supply that a kind of intelligence is effective, cost performance is high, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of novel off-line type numerically controlled intelligent Switching Power Supply, comprises
Importation, this importation comprises the filtering protection module, voltage lifting PFC circuit module and the inverse-excitation type voltage acquisition module that connect successively; Described filtering protection module is provided with the protective resistance Rp and the bridge full wave rectifier BD that are connected successively with alternating current input interface, and the two ends of bridge full wave rectifier BD connect inductance L 1 and high-frequency filter capacitor C1; Described voltage lifting PFC circuit module comprises the inductance L 2 being connected with inductance L 1, and inductance L 2 connects respectively diode D1 in parallel and diode D2, the negative pole of diode D1 respectively contact resistance R1 and and mend capacitor C 2; Described inverse-excitation type voltage acquisition module comprises the inductance L 3 being connected with diode D1 negative pole, inductance L 3 other ends connect and mend the positive pole of capacitor C 3 and Transient Suppression Diode D3, the negative pole of Transient Suppression Diode D3 connects the negative pole of diode D4, the negative utmost point that is connected of the positive pole of diode D4 and diode D2, connects the primary coil of voltage transformer TA between the positive pole of Transient Suppression Diode D3 and the positive pole of diode D4;
Output, this output is the inverse-excitation type output circuit with output interface, this inverse-excitation type output circuit is isolated form inverse-excitation type output circuit or non-isolation type inverse-excitation type output circuit;
And numerical control part, this numerical control part comprises MCU microcontroller, this MCU microcontroller is connected with voltage lifting PFC circuit module and inverse-excitation type voltage acquisition module respectively; Between described inverse-excitation type voltage acquisition module and MCU microcontroller, be connected with change over switch, change over switch is by resistance R 7 ground connection, and the pin 5 of described MCU microcontroller and pin 6 are connected between diode D2 and diode D4 by change over switch; On the secondary coil 2 of described voltage transformer TA, be connected with the resistance R 6 of diode D7, resistance R 5 and ground connection in turn, the pin 3 of described MCU microcontroller is connected between resistance R 5 and resistance R 6, the negative pole of diode D7 connects respectively the capacitor C 7 of ground connection and the pin 1 of MCU microcontroller, the pin 1 of MCU microcontroller is by resistance R 2 contact resistance R1, and the pin 4 of MCU microcontroller is by resistance R 4 ground connection.
As further program of the utility model: described isolated form inverse-excitation type output circuit gathers voltage module with inverse-excitation type and is connected after voltage transformer TA transformation, the energy storage filter capacitor C4 that the two ends of voltage transformer TA secondary coil 1 are connected in parallel and energy storage filter capacitor C5, between the positive pole of the secondary coil 1 of voltage transformer TA and energy storage filter capacitor C4, be connected with diode D5 in parallel, diode D6 and capacitor C 6, capacitor C 6 positive poles are in series with resistance R 3.
As further program of the utility model: described non-isolation type inverse-excitation type output circuit comprises diode D5 parallel with one another, capacitor C 4 and capacitor C 5, between diode D5 and capacitor C 4, be connected with inductance L 4, the positive pole of diode D5 is connected with the positive pole of diode D4, and the negative pole of diode D5 is connected with the positive pole of diode D3.
As further program of the utility model: described change over switch is Mosfet transistor switch or npn transistor switch.
As further program of the utility model: described MCU microcontroller replaces with analogy drive ratio IC.
As further program of the utility model: the alternating current that the input power of employing is 60V～280V or direct current, output voltage is the constant voltage between 3V～200V, output current is the constant current between 350mA～15A, and power output is the firm power between 3W～300W.
As further scheme of the utility model: standby power is less than 0.02Watt, and the DC ripple coefficient of output current is less than 2%.
Compared with prior art, the beneficial effects of the utility model are: the utility model is the control core taking micro controller (MCU) as Switching Power Supply, replace former logic IC with digital control scheme and control PFC, system simulation is become to resistive load, to obtain higher power factor (PFC); MCU is converted into digital quantity to all types of analog quantitys of power supply and periphery and carries out logic and numerical operation, system has adaptation function and implements the feature of Based Intelligent Control, can obtain the new generation of green Switching Power Supply of High Power Factor, high efficiency, low power consumption standby, system configuration is simple, periphery components and parts are few, therefore hardware cost is low, also can accomplish the Switching Power Supply of minimum volume.
The utility model is adapted to all kinds of household electrical appliances, and charger for mobile phone, laptop computer power supply and charger are following all kinds of LED light fixture products or determine product of voltage and realize intelligentized effective way.
Brief description of the drawings
Fig. 1 is novel off-line type numerically controlled intelligent switching power circuit figure.
Fig. 2 is MCU microprocessor controls PFC booster circuit fundamental diagram.
Fig. 3 is MCU microprocessor controls isolated form output circuit fundamental diagram.
Fig. 4 is MCU microprocessor controls non-isolation type output current fundamental diagram.
Fig. 5 is the control interface figure that MCU microcontroller is connected with extraneous communication tool.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 4, in the utility model embodiment, a kind of novel off-line type numerically controlled intelligent Switching Power Supply, comprises importation, output and numerical control part.
Importation, this importation comprises the filtering protection module, voltage lifting PFC circuit module and the inverse-excitation type voltage acquisition module that connect successively, described filtering protection module is provided with the protective resistance Rp and the bridge full wave rectifier BD that are connected successively with alternating current input interface, the two ends of bridge full wave rectifier BD connect inductance L 1 and high-frequency filter capacitor C1, the original sine wave of the alternating current that bridge full wave rectifier BD carries the external world is converted to the adjustable positive half wave of amplitude and negative half-wave, positive half wave and negative half-wave be module capacitance C1 and inductance L 2 after filtering, make the sine wave of output current identical with initial sinusoids wave line of propagation, resistance R p is adjustable resistance, can regulate the size of current that is transported to full-wave rectifier BD, electric energy conversion is become magnetic energy by inductance L 1, stop the electric current of full-wave rectifier BD output to change, described voltage lifting PFC circuit module comprises the inductance L 2 being connected with inductance L 1, and inductance L 2 connects respectively diode D1 in parallel and diode D2, the negative pole of diode D1 respectively contact resistance R1 and and mend capacitor C 2, described inverse-excitation type voltage acquisition module comprises the inductance L 3 being connected with diode D1 negative pole, inductance L 3 other ends connect and mend the positive pole of capacitor C 3 and Transient Suppression Diode D3, the negative pole of Transient Suppression Diode D3 connects the negative pole of diode D4, the negative utmost point that is connected of the positive pole of diode D4 and diode D2, connects the primary coil of voltage transformer TA between the positive pole of Transient Suppression Diode D3 and the positive pole of diode D4.
Output, this output is the inverse-excitation type output circuit with output interface, this inverse-excitation type output circuit is isolated form inverse-excitation type output circuit or non-isolation type inverse-excitation type output circuit.
Isolated form inverse-excitation type output circuit gathers voltage module with inverse-excitation type and is connected after voltage transformer TA transformation, the energy storage filter capacitor C4 that the two ends of voltage transformer TA secondary coil 1 are connected in parallel and energy storage filter capacitor C5, between the positive pole of the secondary coil 1 of voltage transformer TA and energy storage filter capacitor C4, be connected with diode D5 in parallel, diode D6 and capacitor C 6, capacitor C 6 positive poles are in series with resistance R 3.
Non-isolation type inverse-excitation type output circuit comprises diode D5 parallel with one another, capacitor C 4 and capacitor C 5, between diode D5 and capacitor C 4, be connected with inductance L 4, the positive pole of diode D5 is connected with the positive pole of diode D4, and the negative pole of diode D5 is connected with the positive pole of diode D3.
Numerical control part, this numerical control part comprises MCU microcontroller, this MCU microcontroller is connected with voltage lifting PFC circuit module and inverse-excitation type voltage acquisition module respectively; Between described inverse-excitation type voltage acquisition module and MCU microcontroller, be connected with change over switch, change over switch is by resistance R 7 ground connection, and the pin 5 of described MCU microcontroller and pin 6 are connected between diode D2 and diode D4 by change over switch; On the secondary coil 2 of described voltage transformer TA, be connected with the resistance R 6 of diode D7, resistance R 5 and ground connection in turn, the pin 3 of described MCU microcontroller is connected between resistance R 5 and resistance R 6, the negative pole of diode D7 connects respectively the capacitor C 7 of ground connection and the pin 1 of MCU microcontroller, the pin 1 of MCU microcontroller is by resistance R 2 contact resistance R1, and the pin 4 of MCU microcontroller is by resistance R 4 ground connection.
The MCU microcontroller of numerical control part is also replaceable is the analogy drive ratio IC that cost performance is high, to reduce total production cost of small power electric source switch.
Alternating current or direct current that the input power of inputting this off-line type numerically controlled intelligent Switching Power Supply employing is 60V～280V, its output voltage is the constant voltage between 3V～200V, output current is the constant current between 350mA～15A, power output is the firm power between 3W～300W, its standby power is less than 0.02Watt, and the DC ripple coefficient of output current is less than 2%.
This off-line type numerically controlled intelligent Switching Power Supply connects RC infrared coding communication control instrument and the WIFI communication control instrument with communication function by MCU microcontroller.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the utility model.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this specification is described according to execution mode, but be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other execution modes that it will be appreciated by those skilled in the art that.
Claims (7)
1. a novel off-line type numerically controlled intelligent Switching Power Supply, is characterized in that, comprises
Importation, this importation comprises the filtering protection module, voltage lifting PFC circuit module and the inverse-excitation type voltage acquisition module that connect successively; Described filtering protection module is provided with the protective resistance Rp and the bridge full wave rectifier BD that are connected successively with alternating current input interface, and the two ends of bridge full wave rectifier BD connect inductance L 1 and high-frequency filter capacitor C1; Described voltage lifting PFC circuit module comprises the inductance L 2 being connected with inductance L 1, and inductance L 2 connects respectively diode D1 in parallel and diode D2, the negative pole of diode D1 respectively contact resistance R1 and and mend capacitor C 2; Described inverse-excitation type voltage acquisition module comprises the inductance L 3 being connected with diode D1 negative pole, inductance L 3 other ends connect and mend the positive pole of capacitor C 3 and Transient Suppression Diode D3, the negative pole of Transient Suppression Diode D3 connects the negative pole of diode D4, the negative utmost point that is connected of the positive pole of diode D4 and diode D2, connects the primary coil of voltage transformer TA between the positive pole of Transient Suppression Diode D3 and the positive pole of diode D4;
Output, this output is the inverse-excitation type output circuit with output interface, this inverse-excitation type output circuit is isolated form inverse-excitation type output circuit or non-isolation type inverse-excitation type output circuit;
And numerical control part, this numerical control part comprises MCU microcontroller, this MCU microcontroller is connected with voltage lifting PFC circuit module and inverse-excitation type voltage acquisition module respectively; Between described inverse-excitation type voltage acquisition module and MCU microcontroller, be connected with change over switch, change over switch is by resistance R 7 ground connection, and the pin 5 of described MCU microcontroller and pin 6 are connected between diode D2 and diode D4 by change over switch; On the secondary coil 2 of described voltage transformer TA, be connected with the resistance R 6 of diode D7, resistance R 5 and ground connection in turn, the pin 3 of described MCU microcontroller is connected between resistance R 5 and resistance R 6, the negative pole of diode D7 connects respectively the capacitor C 7 of ground connection and the pin 1 of MCU microcontroller, the pin 1 of MCU microcontroller is by resistance R 2 contact resistance R1, and the pin 4 of MCU microcontroller is by resistance R 4 ground connection.
2. novel off-line type numerically controlled intelligent Switching Power Supply according to claim 1, it is characterized in that, described isolated form inverse-excitation type output circuit gathers voltage module with inverse-excitation type and is connected after voltage transformer TA transformation, the energy storage filter capacitor C4 that the two ends of voltage transformer TA secondary coil 1 are connected in parallel and energy storage filter capacitor C5, between the positive pole of the secondary coil 1 of voltage transformer TA and energy storage filter capacitor C4, be connected with diode D5 in parallel, diode D6 and capacitor C 6, capacitor C 6 positive poles are in series with resistance R 3.
3. novel off-line type numerically controlled intelligent Switching Power Supply according to claim 1, it is characterized in that, described non-isolation type inverse-excitation type output circuit comprises diode D5 parallel with one another, capacitor C 4 and capacitor C 5, between diode D5 and capacitor C 4, be connected with inductance L 4, the positive pole of diode D5 is connected with the positive pole of diode D4, and the negative pole of diode D5 is connected with the positive pole of diode D3.
4. novel off-line type numerically controlled intelligent Switching Power Supply according to claim 1, is characterized in that, described change over switch is Mosfet transistor switch or npn transistor switch.
5. novel off-line type numerically controlled intelligent Switching Power Supply according to claim 1, is characterized in that, described MCU microcontroller replaces with analogy drive ratio IC.
6. novel off-line type numerically controlled intelligent Switching Power Supply according to claim 1, it is characterized in that, alternating current or direct current that the input power adopting is 60V～280V, output voltage is the constant voltage between 3V～200V, output current is the constant current between 350mA～15A, and power output is the firm power between 3W～300W.
7. novel off-line type numerically controlled intelligent Switching Power Supply according to claim 1, is characterized in that, standby power is less than 0.02Watt, and the DC ripple coefficient of output current is less than 2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212676.2U CN203933403U (en) | 2014-04-28 | 2014-04-28 | A kind of novel off-line type numerically controlled intelligent Switching Power Supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420212676.2U CN203933403U (en) | 2014-04-28 | 2014-04-28 | A kind of novel off-line type numerically controlled intelligent Switching Power Supply |
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| CN203933403U true CN203933403U (en) | 2014-11-05 |
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| CN201420212676.2U Expired - Fee Related CN203933403U (en) | 2014-04-28 | 2014-04-28 | A kind of novel off-line type numerically controlled intelligent Switching Power Supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704957A (en) * | 2017-02-08 | 2017-05-24 | 深圳市垅运照明电器有限公司 | LED emergency lighting controlling device |
| CN112821488A (en) * | 2021-01-07 | 2021-05-18 | 基合半导体（宁波）有限公司 | Charging circuit, charging method, electronic device, and storage medium |
-
2014
- 2014-04-28 CN CN201420212676.2U patent/CN203933403U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704957A (en) * | 2017-02-08 | 2017-05-24 | 深圳市垅运照明电器有限公司 | LED emergency lighting controlling device |
| CN112821488A (en) * | 2021-01-07 | 2021-05-18 | 基合半导体（宁波）有限公司 | Charging circuit, charging method, electronic device, and storage medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20190428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |