CN215580453U - Quick charger based on single-path or multi-path output control - Google Patents

Quick charger based on single-path or multi-path output control Download PDF

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Publication number
CN215580453U
CN215580453U CN202121673704.7U CN202121673704U CN215580453U CN 215580453 U CN215580453 U CN 215580453U CN 202121673704 U CN202121673704 U CN 202121673704U CN 215580453 U CN215580453 U CN 215580453U
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output
control module
assembly
electrically connected
converter
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CN202121673704.7U
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支胜齐
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Shenzhen Topow Electronics Co ltd
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Shenzhen Topow Electronics Co ltd
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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)
  • Dc-Dc Converters (AREA)

Abstract

The utility model discloses a quick-charging charger based on single-path or multi-path output control, which comprises an output voltage control module, a switch switching circuit module, a protocol detection control module and an input voltage control module, wherein the output voltage control module is electrically connected with the switch switching circuit module, the switch switching circuit module is electrically connected with the protocol detection control module, the input voltage control module is electrically connected with the protocol detection control module, and the output voltage control module comprises an output interface component with 1-5 ports of output; the utility model mainly controls the switching output switch component through the control component through the matching of the output voltage control module, the switch switching circuit module, the protocol detection control module and the input voltage control module, when the protocol requires to output high voltage of 20V, the MOSFET function of the switching output switch component is switched on and directly output by AC/DC, and the output efficiency is improved and the power loss is reduced without DC/DC conversion.

Description

Quick charger based on single-path or multi-path output control
Technical Field
The utility model relates to the technical field of quick chargers, in particular to a quick charger based on single-path or multi-path output control.
Background
The current method is that AC/DC outputs 21.5-22V, then DC/DC BUCK converts the AC/DC output into 3.6-20V, the switching loss and conduction loss of DC/DC conversion always exist, even if the protocol voltage outputs 20V, the AC/DC outputs 21.5-22V and then DC/DC conversion is carried out, the loss is increased, the conversion efficiency of the power supply is reduced, and the power density is reduced, thereby increasing the volume and the cost; the AC/DC output voltage is high, and usually, the output of the mode adopts 25V solid-state capacitor filtering, the output voltage is 1.5-2V higher than that of the new method, and the voltage stress safety margin of the output capacitor is reduced, so that a quick-charging charger based on single-path or multi-path output control is required to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a quick-charging charger based on single-path or multi-path output control, which controls a switching output switch component through a control component by matching an output voltage control module, a switch switching circuit module, a protocol detection control module and an input voltage control module, and when a protocol requires to output high voltage of 20V, the MOSFET function of the switching output switch component is switched on and directly output by AC/DC without DC/DC conversion, so that the problems in the background art are solved.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fill charger soon based on single pass or multichannel output control, includes output voltage control module, switch switching circuit module, agreement detection control module and input voltage control module, output voltage control module and switch switching circuit module electric connection, switch switching circuit module and agreement detection control module electric connection, input voltage control module and agreement detection control module electric connection, output voltage control module is including having the output interface subassembly of 1-5 mouthful TYPE-C and the different combination outputs of USB2.0, switch switching circuit module is including the switching output switch subassembly of changeable MOSFET, agreement detection control module is including having the control assembly that detects voltage output switch MOSFET and close DC/DC conversion function.
Preferably, the output interface component comprises a TYPE-C port, a TYPE-C + USB2.0 port, a TYPE-C + TYPE-C port and a USB2.0+ USB2.0 port, wherein the TYPE-C port, the TYPE-C + USB2.0 port, the TYPE-C + TYPE-C port and the USB2.0+ USB2.0 port are electrically connected with the control component through the switching output switch component.
Preferably, the switching output switch assembly includes a MOSFET, an AC/DC converter and a DC/DC converter, the AC/DC converter and the DC/DC converter are both electrically connected to the MOSFET, and the AC/DC converter is electrically connected to the DC/DC converter.
Preferably, the MOSFET includes an N-channel MOSFET or a P-channel MOSFET.
Preferably, the output voltage of the DC/DC converter is 20V ± 5%.
Preferably, the control component comprises a fast charging protocol chip or an MCU, a rectifier filter is electrically connected between the DC/DC converter and the AC/DC converter, and the output voltage of the rectifier filter is 20V ± 5%.
Preferably, the input voltage control module includes an AC input interface, a lightning protection component, an EMC filter component, a bridge rectifier component, an input filter component, and a PFC circuit component, the AC input interface is electrically connected to the lightning protection component, the lightning protection component is electrically connected to the EMC filter component, the EMC filter component is electrically connected to the bridge rectifier component, the bridge rectifier component is electrically connected to the input filter component, the input filter component is electrically connected to the PFC circuit component, and the PFC circuit component is electrically connected to the AC/DC converter.
Preferably, the lightning protection component comprises a piezoresistor, the EMC filter component comprises an EMC filter, the bridge rectifier component comprises a bridge rectifier, the input filter component comprises an ac filter, the PFC circuit component comprises a PFC control panel, the EMC filter, the bridge rectifier, the ac filter are all electrically connected with the PFC control panel, and the PFC control panel is electrically connected with the control component.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model mainly controls the switching output switch component through the control component through the matching of the output voltage control module, the switch switching circuit module, the protocol detection control module and the input voltage control module, when the protocol requires to output high voltage of 20V, the MOSFET function of the switching output switch component is switched on and is directly output by AC/DC, and the output efficiency is improved and the power loss is reduced without DC/DC conversion.
2. According to the utility model, through the modular arrangement of the output voltage control module, the switch switching circuit module, the protocol detection control module and the input voltage control module, the floor area of the charger is reduced to a certain extent, so that the size of the charger is reduced.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a block diagram of an input voltage control module according to the present invention;
FIG. 3 is a circuit diagram of a protocol detection control module according to the present invention;
fig. 4 is a circuit diagram of an ac rectifier according to 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.
Referring to fig. 1-2, the present invention provides a technical solution: a fast charger based on single-path or multi-path output control comprises an output voltage control module, a switch switching circuit module, a protocol detection control module and an input voltage control module, wherein the output voltage control module is electrically connected with the switch switching circuit module, the switch switching circuit module is electrically connected with the protocol detection control module, the input voltage control module is electrically connected with the protocol detection control module, the output voltage control module comprises an output interface component with different combined outputs of 1-5 TYPE-C and USB2.0, the switch switching circuit module comprises a switching output switch component capable of switching MOSFET, and the protocol detection control module comprises a control component with functions of detecting a voltage output switch MOSFET and closing DC/DC conversion;
the output interface component comprises a TYPE-C port, a TYPE-C + USB2.0 port, a TYPE-C + TYPE-C port and a USB2.0+ USB2.0 port, the TYPE-C + USB2.0 port, the TYPE-C + TYPE-C port and the USB2.0+ USB2.0 port are electrically connected with the control component through the switching output switch component, and single-path or multi-path quick charging output can be realized through each output interface;
the switching output switch assembly comprises a MOSFET, an AC/DC converter and a DC/DC converter, wherein the AC/DC converter and the DC/DC converter are electrically connected with the MOSFET, the AC/DC converter is electrically connected with the DC/DC converter, and the MOSFET comprises an N-channel MOSFET or a P-channel MOSFET; the AC/DC converter is used for outputting the voltage of the input voltage control module according to the protocol requirement of the control component;
the output voltage of the DC/DC converter is 20V +/-5%, the protocol detection control module closes the DC/DC converter and opens the output switching MOSFET when the voltage is increased to 20V +/-5%, so that the protocol detection control module has the functions of detecting the voltage output switching MOSFET and closing the DC/DC conversion, when the protocol handshake requirement is 20V +/-5%, the MCU or the protocol chip outputs the control switching MOSFET, the MCU or the protocol chip directly outputs the control switching MOSFET, and when the handshake protocol requirement output is lower than 20V, the output voltage of the AC/DC converter is converted into 4-19V through the DC/DC converter, so that circuit switching of different protocol requirements can be realized;
the control assembly comprises a quick-charge protocol chip or an MCU, the voltage required to be output by the quick-charge protocol chip or the MCU and a handshake protocol of the terminal equipment is set to be 20V +/-5%, a rectifier filter is electrically connected between a DC/DC converter and an AC/DC converter, the output voltage of the rectifier filter is 20V +/-5%, the quick-charge protocol chip or the MCU adopts PD and QC protocols, the highest voltage required by the PD and QC protocols is 20V +/-5%, the control assembly can be detected and controlled by the quick-charge protocol chip or the MCU, and the quick-charge protocol chip and the MCU can be additionally added for detection and control;
the input voltage control module comprises an AC input interface, a lightning protection component, an EMC filter component, a bridge rectifier component, an input filter component and a PFC circuit component, wherein the AC input interface is electrically connected with the lightning protection component;
the lightning protection component comprises a piezoresistor, the EMC filtering component comprises an EMC filter, the bridge rectifier component comprises a bridge rectifier, the input filtering component comprises an alternating current filter, the PFC circuit component comprises a PFC control panel, the EMC filter, the bridge rectifier and the alternating current filter are all electrically connected with the PFC control panel, the PFC control panel is electrically connected with the control component, the piezoresistor is used for preventing lightning from being directly struck, the use safety of the quick charger is improved, and the EMC filter, the bridge rectifier and the alternating current filter are all used for removing harmonic current of each time in the circuit; as shown in fig. 4, the ac filter includes a transistor Q1, a capacitor C1, a capacitor C2, and a resistor R4, one end of the transistor Q1 is electrically connected to a resistor R1 and a resistor R6, the other end of the transistor Q1 is electrically connected to a resistor R2, one end of the resistor R6 is electrically connected to a capacitor C3 and a resistor R3, one end of the resistor R3 is connected to one end of the resistor R4, the other end of the resistor R4 is connected to a resistor R5, the other end of the resistor R3 is respectively connected to the capacitor C1 and the capacitor C2, and two ends of the resistor R6 are respectively connected to a capacitor C1 and a resistor R1;
when the power supply is used, an electric signal enters from an AC input interface, the electric signal is sequentially filtered by an EMC filter, a bridge rectifier and an AC filter, the processed electric signal outputs 20V voltage through an AC/DC converter, a switch MOSFET is controlled by an MCU or a protocol chip, when the protocol requires the highest voltage of 20V output, the function of the switch MOSFET is turned on, and the conversion function of the DC/DC converter is turned off, the electric signal of the AC/DC converter is directly output from an output interface component without being converted by the DC/DC converter, the loss of the DC/DC conversion is reduced, the power supply efficiency and the power density are improved, and the power supply volume is reduced;
when the highest voltage required to be output is lower than 20V, the switching MOSFET function is closed, the conversion function of the DC/DC converter is opened, the output voltage of the AC/DC converter is converted into the voltage of 4-19V through the DC/DC converter, and the floor area of the charger is reduced to a certain extent through the modular arrangement of the output voltage control module, the switching circuit module, the protocol detection control module and the input voltage control module, so that the size of the charger is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a fill charger soon based on single pass or multiplexed output control, includes output voltage control module, switch switching circuit module, agreement detection control module and input voltage control module, its characterized in that: output voltage control module and switch switching circuit module electric connection, switch switching circuit module and agreement detection control module electric connection, input voltage control module and agreement detection control module electric connection, output voltage control module is including having the output interface subassembly of 1-5 mouth TYPE-C and the different combination outputs of USB2.0, switch switching circuit module is including the switching output switch subassembly of changeable MOSFET, agreement detection control module is including having the control assembly that detects voltage output switch MOSFET and close DC/DC conversion function.
2. A fast charger based on one-way or multi-way output control as claimed in claim 1, wherein: the output interface assembly comprises a TYPE-C port, a TYPE-C + USB2.0 port, a TYPE-C + TYPE-C port and a USB2.0+ USB2.0 port, wherein the TYPE-C port, the TYPE-C + USB2.0 port, the TYPE-C + TYPE-C port and the USB2.0+ USB2.0 port are all electrically connected with the control assembly through switching the output switch assembly.
3. A fast charger based on one-way or multi-way output control as claimed in claim 1, wherein: the switching output switch assembly comprises a MOSFET, an AC/DC converter and a DC/DC converter, wherein the AC/DC converter and the DC/DC converter are both electrically connected with the MOSFET, and the AC/DC converter is electrically connected with the DC/DC converter.
4. A fast charger based on one-way or multi-way output control as claimed in claim 3, wherein: the MOSFET includes an N-channel MOSFET or a P-channel MOSFET.
5. A fast charger based on single-path or multi-path output control as claimed in claim 4, wherein: the output voltage of the DC/DC converter is 20V +/-5%.
6. A fast charger based on single or multiple output control as claimed in claim 5, wherein: the control assembly comprises a quick charge protocol chip or an MCU, a rectifier filter is electrically connected between the DC/DC converter and the AC/DC converter, and the output voltage of the rectifier filter is 20V +/-5%.
7. A fast charger based on single or multiple output control as claimed in claim 6, wherein: the input voltage control module comprises an AC input interface, a lightning protection assembly, an EMC filter assembly, a bridge rectifier assembly, an input filter assembly and a PFC circuit assembly, the AC input interface is electrically connected with the lightning protection assembly, the lightning protection assembly is electrically connected with the EMC filter assembly, the EMC filter assembly is electrically connected with the bridge rectifier assembly, the bridge rectifier assembly is electrically connected with the input filter assembly, the input filter assembly is electrically connected with the PFC circuit assembly, and the PFC circuit assembly is electrically connected with an AC/DC converter.
8. A fast charger based on one-way or multi-way output control as claimed in claim 7, wherein: the lightning protection component comprises a piezoresistor, the EMC filtering component comprises an EMC filter, the bridge rectifier component comprises a bridge rectifier, the input filtering component comprises an alternating current filter, the PFC circuit component comprises a PFC control panel, the EMC filter, the bridge rectifier and the alternating current filter are all electrically connected with the PFC control panel, and the PFC control panel is electrically connected with the control component.
CN202121673704.7U 2021-07-22 2021-07-22 Quick charger based on single-path or multi-path output control Active CN215580453U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121673704.7U CN215580453U (en) 2021-07-22 2021-07-22 Quick charger based on single-path or multi-path output control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121673704.7U CN215580453U (en) 2021-07-22 2021-07-22 Quick charger based on single-path or multi-path output control

Publications (1)

Publication Number Publication Date
CN215580453U true CN215580453U (en) 2022-01-18

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CN202121673704.7U Active CN215580453U (en) 2021-07-22 2021-07-22 Quick charger based on single-path or multi-path output control

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