CN203261057U - Novel numerical control charger - Google Patents
Novel numerical control charger Download PDFInfo
- Publication number
- CN203261057U CN203261057U CN2013201837936U CN201320183793U CN203261057U CN 203261057 U CN203261057 U CN 203261057U CN 2013201837936 U CN2013201837936 U CN 2013201837936U CN 201320183793 U CN201320183793 U CN 201320183793U CN 203261057 U CN203261057 U CN 203261057U
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- mcu microcontroller
- pfc
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- power output
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a novel numerical control charger comprising an MCU microcontroller, a first filter protection module, a PFC correction module, a power output module, a second filter protection module and a voltage/current acquisition module, wherein the first filter protection module, the PFC correction module, the power output module, the second filter protection module and the voltage/current acquisition module are connected in sequence and are respectively connected to the MCU microcontroller. Therefore, the charger takes the MCU microcontroller for software programming as a control core of a switching power supply, adopts a numerical control mode to replace an original logic IC control PFC and simulates a system into a resistive load, the MCU microcontroller simultaneously drives two sets of power switching modules and automatically balances the relationship between the PFC correction module and the power output module, and the charger reaches a level of high power factor, high efficiency and micro standby power consumption.
Description
Technical field
The utility model relates to the charger field technology, refers in particular to a kind of novel numerical control charger.
Background technology
Charger is a kind of voltage and the changeless alternating current of frequency to be converted to the equipment of low-voltage DC, is widely used in every field, particularly is widely used in mobile phone, camera, Voice ﹠ Video player etc. at daily life field.
Conventional charger adopts logic IC device to proofread and correct PFC (power factor (PF)) usually, yet there is shortcomings in this conventional P FC (power factor (PF)) correcting mode: at first, circuit devcie is many during logic IC design, and circuit is complicated, causes production cost high; Moreover electronic device has too much also increased the safety issue of using and the overall volume that makes charger becomes large problem; Also have, this conventional charger can not be according to different batteries and autobalance output PFC makes charge efficiency low, and the charging interval is long, and use has been brought inconvenience.
Summary of the invention
In view of this, the utility model is for the disappearance of prior art existence, its main purpose provides a kind of novel numerical control charger, it can reach the level of High Power Factor (PFC), high efficiency, low power consumption standby, can design by power output the charger of different functions, have adaptation function, simple in structure, use safety, hardware cost is low, volume is little advantage.
For achieving the above object, the utility model adopts following technical scheme:
A kind of novel numerical control charger; comprise the first filtering protection module; the PFC correction module; power output module; the second filtering protection module; voltage/current acquisition module and MCU microcontroller; this first filtering protection module has the input of a connection AC/DC; the output of this first filtering protection module is connected in series power output module successively; the second filtering protection module; the voltage/current acquisition module; the output of this voltage/current acquisition module is connected in the MCU microcontroller, and the first filtering protection module; the PFC correction module; power output module and the second filtering protection module are connected on the MCU microcontroller respectively.
Preferably, between described MCU microcontroller and the PFC correction module, be connected with respectively a switch module between described MCU microcontroller and the power output module.
Preferably, described switch module is the Mosfet change over switch.
Preferably, described PFC correction module comprises bridge circuit BD, voltage lifting PFC circuit and voltage collection circuit, this voltage lifting PFC circuit comprises inductance L and diode D, this voltage collection circuit comprises capacitor C and resistance R 1, R2, the anode of this bridge circuit BD is by a positive wire series inductance L and diode D, the negative terminal of bridge circuit BD is connected on the cathode conductor, this just, the node 1 of cathode conductor, connect a Mosfet change over switch between 2, the control end of this Mosfet change over switch is connected on the MCU microcontroller, this just, the node 3 of cathode conductor, connect capacitor C between 4, just, the node 5 of cathode conductor, series resistor R1 between 6, R2, this resistance R 1, be connected on the MCU microcontroller by wire on the node 7 between the R2.
Preferably, described power output module comprises transformer T, diode D and capacitor C, ground connection behind the once end connection Mosfet change over switch of this transformer T, the control end of this Mosfet change over switch is connected on the MCU microcontroller, the secondary terminals of this transformer T connects diode D, and capacitor C is connected between the circuit node 8,9.
The utility model compared with prior art has obvious advantage and beneficial effect, particularly, as shown from the above technical solution, control core take the MCU microcontroller of software programming as Switching Power Supply, replace former logic IC control PFC with digital control scheme, system simulation is become resistive load, the MCU microcontroller drives two groups of power switch modules simultaneously, one group is the PFC(power factor) correction module, another group is power output module.Because the module that respectively forms of Switching Power Supply all is connected to the MCU microcontroller, realize the information feedback function, the relation of autobalance PFC correction module and power output module during the operation of the software systems of MCU microcontroller reaches the level of High Power Factor (PFC), high efficiency, low power consumption standby.And; because the first filtering protection module, PFC correction module, power output module, the second filtering protection module, voltage/current acquisition module and MCU microcontroller all are connected with the MCU microcontroller; realize the feedback control between each performance element and the MCU; the software systems of MCU microcontroller are in time corrected and balance sysmte work; obtain high-quality output; make this charger have adaptation function and safety function; product can design the charger of different functions by power output; as: charger for mobile phone; the laptop computer charger, the hand-held electronic products charger.
For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the structural principle block diagram of the embodiment of the utility model;
Fig. 2 is the circuit diagram of PFC correction module among the embodiment of the utility model;
Fig. 3 is the circuit diagram of power output module among the embodiment of the utility model.
The accompanying drawing identifier declaration:
10, the first filtering protection module 20, PFC correction module
30, power output module 40, the second filtering protection module
50, voltage/current acquisition module 60, MCU microcontroller
70, switch module
Embodiment
Please refer to Fig. 1 to shown in Figure 3; it has demonstrated the concrete structure of the preferred embodiment of the utility model; this numerical control charger includes the first filtering protection module 10; PFC correction module 20; power output module 30; the second filtering protection module 40; voltage/current acquisition module 50 and MCU microcontroller 60; this first filtering protection module 10 has the input of a connection AC/DC; the output of this first filtering protection module 10 is connected in series power output module 30 successively; the second filtering protection module 40; voltage/current acquisition module 50; the output of this voltage/current acquisition module 50 is connected in MCU microcontroller 60, and the first filtering protection module 10; PFC correction module 20; power output module 30 and the second filtering protection module 40 are connected on the MCU microcontroller 60 respectively.
Its control principle is as follows: the control core take the MCU microcontroller 60 of software programming as Switching Power Supply, replace former logic IC control PFC with digital control scheme, system simulation is become resistive load, MCU microcontroller 60 drives two groups of power switch modules simultaneously, one group is the PFC(power factor) correction module 20, another group is power output module 30.The relation of autobalance PFC correction module 20 and power output module 30 during the operation of the software systems of MCU microcontroller 60 reaches the level of High Power Factor (PFC), high efficiency, low power consumption standby.And; because the first filtering protection module 10; PFC correction module 20; power output module 30; the second filtering protection module 40; voltage/current acquisition module 50 and MCU microcontroller 60 all are connected with MCU microcontroller 60; realize the feedback control between each performance element and the MCU; the software systems of MCU microcontroller 60 are in time corrected and balance sysmte work; obtain high-quality output; make this charger have adaptation function and safety function; product can design the charger of different functions by power output; as: charger for mobile phone; the laptop computer charger, the hand-held electronic products charger.
Particularly, between described MCU microcontroller 60 and the PFC correction module 20, be connected with respectively a switch module 70 between described MCU microcontroller 60 and the power output module 30, in the present embodiment, described switch module 70 is the Mosfet change over switch.
As shown in Figure 2, described PFC correction module 20 comprises bridge circuit BD, voltage lifting PFC circuit and voltage collection circuit, this voltage lifting PFC circuit comprises inductance L and diode D, this voltage collection circuit comprises capacitor C and resistance R 1, R2, the anode of this bridge circuit BD is by a positive wire series inductance L and diode D, the negative terminal of bridge circuit BD is connected on the cathode conductor, this just, the node 1 of cathode conductor, connect a Mosfet change over switch between 2, the control end of this Mosfet change over switch is connected on the MCU microcontroller 60, this just, the node 3 of cathode conductor, connect capacitor C between 4, just, the node 5 of cathode conductor, series resistor R1 between 6, R2, this resistance R 1, be connected on the MCU microcontroller 60 by wire on the node 7 between the R2.Among Fig. 2, BD, C distance piece are the voltage lifting PFC circuit, in pfc circuit, and itself inductance L and high frequency Mosfet change over switch, also having the high pressure sustained diode is exactly an efficient Switching Power Supply, just can improve voltage by inductance L itself.
As shown in Figure 3, described power output module 30 comprises transformer T, diode D and capacitor C, ground connection behind the once end connection Mosfet change over switch of this transformer T, the control end of this Mosfet change over switch is connected on the MCU microcontroller 60, the secondary terminals of this transformer T connects diode D, and capacitor C is connected between the circuit node 8,9.Be in same software (MCU microcontroller 60) because PFC proofreaies and correct with power stage, work coordination between the two is unified.
In sum, design focal point of the present utility model is, it mainly is the control core take the MCU microcontroller 60 of software programming as Switching Power Supply, replace former logic IC control PFC with digital control scheme, system simulation is become resistive load, MCU microcontroller 60 drives two groups of power switch modules simultaneously, and one group is PFC correction module 20, and another group is power output module 30.The relation of autobalance PFC correction module 20 and power output module 30 during the operation of the software systems of MCU microcontroller 60 reaches the level of High Power Factor (PFC), high efficiency, low power consumption standby.Charger of the present utility model has saved the control circuit of logic IC complexity, makes the circuit structure of product simple, and hardware cost is low, finished-product volume is little.
The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment does.
Claims (5)
1. novel numerical control charger; it is characterized in that: comprise the first filtering protection module; the PFC correction module; power output module; the second filtering protection module; voltage/current acquisition module and MCU microcontroller; this first filtering protection module has the input of a connection AC/DC; the output of this first filtering protection module is connected in series power output module successively; the second filtering protection module; the voltage/current acquisition module; the output of this voltage/current acquisition module is connected in the MCU microcontroller, and the first filtering protection module; the PFC correction module; power output module and the second filtering protection module are connected on the MCU microcontroller respectively.
2. novel numerical control charger according to claim 1 is characterized in that: between described MCU microcontroller and the PFC correction module, be connected with respectively a switch module between described MCU microcontroller and the power output module.
3. novel numerical control charger according to claim 2, it is characterized in that: described switch module is the Mosfet change over switch.
4. novel numerical control charger according to claim 3, it is characterized in that: described PFC correction module comprises bridge circuit BD, voltage lifting PFC circuit and voltage collection circuit, this voltage lifting PFC circuit comprises inductance L and diode D, this voltage collection circuit comprises capacitor C and resistance R 1, R2, the anode of this bridge circuit BD is by a positive wire series inductance L and diode D, the negative terminal of bridge circuit BD is connected on the cathode conductor, this just, the node 1 of cathode conductor, connect a Mosfet change over switch between 2, the control end of this Mosfet change over switch is connected on the MCU microcontroller, this just, the node 3 of cathode conductor, connect capacitor C between 4, just, the node 5 of cathode conductor, series resistor R1 between 6, R2, this resistance R 1, be connected on the MCU microcontroller by wire on the node 7 between the R2.
5. novel numerical control charger according to claim 3, it is characterized in that: described power output module comprises transformer T, diode D and capacitor C, ground connection behind the once end connection Mosfet change over switch of this transformer T, the control end of this Mosfet change over switch is connected on the MCU microcontroller, the secondary terminals of this transformer T connects diode D, and capacitor C is connected between the circuit node 8,9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201837936U CN203261057U (en) | 2013-04-13 | 2013-04-13 | Novel numerical control charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201837936U CN203261057U (en) | 2013-04-13 | 2013-04-13 | Novel numerical control charger |
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|---|---|
| CN203261057U true CN203261057U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013201837936U Expired - Fee Related CN203261057U (en) | 2013-04-13 | 2013-04-13 | Novel numerical control charger |
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| CN (1) | CN203261057U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300626A (en) * | 2015-05-18 | 2017-01-04 | 刘粤荣 | The double power-supply system of a kind of UPS, UPS equipment and control method thereof |
| CN106300457A (en) * | 2015-05-18 | 2017-01-04 | 南京金塔新能源科技有限公司 | Times origin system, UPS equipment and the control method thereof of a kind of UPS |
-
2013
- 2013-04-13 CN CN2013201837936U patent/CN203261057U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300626A (en) * | 2015-05-18 | 2017-01-04 | 刘粤荣 | The double power-supply system of a kind of UPS, UPS equipment and control method thereof |
| CN106300457A (en) * | 2015-05-18 | 2017-01-04 | 南京金塔新能源科技有限公司 | Times origin system, UPS equipment and the control method thereof of a kind of UPS |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131030 Termination date: 20190413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |