CN213402542U

CN213402542U - 65W double-port super quick charger

Info

Publication number: CN213402542U
Application number: CN202022296304.0U
Authority: CN
Inventors: 曾亮; 罗冬华; 邓小兰; 彭建文
Original assignee: ASAP Technology Jiangxi Co Ltd
Current assignee: ASAP Technology Jiangxi Co Ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-08
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a 65W double-port super charger soon, including step-down rectifier module, harmonic filtering module, steady voltage protection module, two quick charge modules and two USB interface modules, mains supply is connected to step-down rectifier module's input, and harmonic filtering module is connected to step-down rectifier module's output, and steady voltage protection module is connected to harmonic filtering module, and steady voltage protection module all is connected with two quick charge modules, and two quick charge modules are connected with two USB interface modules respectively, compare with prior art, the beneficial effects of the utility model are that: this scheme can connect two USB sockets, can make when a plurality of electrical apparatus need charge than the one-port charger that fills soon and improve one time efficiency, and integrated circuit NS6116 in the circuit has functions such as steady voltage, input undervoltage overvoltage protection, overheat protection, input short-circuit protection, can guarantee the safety of this charger in the in-process of using.

Description

65W double-port super quick charger

Technical Field

The utility model relates to a fill the charger field soon, specifically be a 65W two port super charger soon.

Background

In the present life, along with the rapid development of science and technology, daily necessities are also more and more intelligent, the demand for the quality of the charger is also more and more large, the charger is also developed to a quick charger from a common charger, the charging speed is greatly improved, but even in this way, the development of people on the charger is still not met.

The existing chargers on the market still have a plurality of single-port quick-charging chargers, although the charging speed is high, a plurality of electric devices are not enough to be used when needing to be charged, and the problem is urgently needed to be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 65W is two mouthful super fills charger soon to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a 65W double-port super charger that fills soon, includes step-down rectifier module, harmonic filtering module, steady voltage protection module, two quick charge modules and two USB interface modules, mains power is connected to step-down rectifier module's input, and harmonic filtering module is connected to step-down rectifier module's output, and harmonic filtering module connects steady voltage protection module, and steady voltage protection module all is connected with two quick charge modules, and two quick charge modules are connected with two USB interface modules respectively.

As a further aspect of the present invention: the voltage-reducing rectification module comprises a rectifier T and a transformer W, the harmonic filtering module adopts a pi-type filter, the voltage-stabilizing protection module comprises a diode D1, a capacitor C1, a capacitor C2, a capacitor C3, an inductor L1, a slide rheostat RP1, a slide rheostat RP2 and an integrated circuit U1, one quick charging module comprises a resistor R1, a resistor R2, a capacitor C4 and an integrated circuit U2, the other quick charging module comprises a resistor R3, a resistor R4, a capacitor C5 and an integrated circuit U3, one USB interface module comprises a USB1, the other USB interface module comprises a USB2, a primary winding of the transformer W is connected with 220V alternating current, a secondary winding of the transformer W is connected with the rectifier T, an output port 2 of the rectifier T is connected with a port 1 of the pi-type filter, a port 2 of the pi-type filter is connected with an output port 4 of the rectifier T, and a port 4 of the pi-type filter is grounded, the port 3 of the pi-type filter is connected with the anode of a diode D1, the cathode of a diode D1 is connected with a capacitor C1, the VIN pin of an integrated circuit U1, the EN pin of an integrated circuit U1, the other end of the capacitor C1 is grounded, the GND pin of the integrated circuit U1 is grounded, the SW of the integrated circuit U1 is connected with an inductor L1, the other end of the inductor L1 is connected with a slide rheostat RP1, a capacitor C1, a resistor R1, the VDD pin of the integrated circuit U1, the QC-EN pin of the integrated circuit U1, the VOUT end of an external interface USB1, the VOUT end of the external interface USB1, the other end of the slide rheostat 1 is connected with the slide rheostat 1, the other end of the capacitor C1 is connected with the FB pin of the slide rheostat 1, the other, The other end of the resistor R2 is grounded, the other end of the capacitor C4 is grounded, the other end of the capacitor C5 is grounded, the D-pin of the integrated circuit U2 is connected with the D-end of the external interface USB1, the D + pin of the integrated circuit U2 is connected with the D + end of the external interface USB1, the GND pin of the integrated circuit U2 is connected with the GND port of the external interface USB1, the other end of the resistor R3 is connected with the resistor R4 and the FBO pin of the integrated circuit U3, the other end of the resistor R4 is grounded, the D-pin of the integrated circuit U3 is connected with the D-end of the external interface USB2, the D + pin of the integrated circuit U3 is connected with the D + end of the external interface USB2, and the GND pin of the integrated circuit U3 is connected with the GND.

As a further aspect of the present invention: the pi-type filter is composed of an inductor L2, a capacitor C6 and a resistor RX.

As a further aspect of the present invention: the diode D1 is a light emitting diode.

As a further aspect of the present invention: the model of the integrated circuit U1 is NS6116, and the models of the integrated circuit U2 and the integrated circuit U3 are FP 6601Q.

As a further aspect of the present invention: the rectifier T is composed of a bridge rectifier circuit.

Compared with the prior art, the beneficial effects of the utility model are that: this scheme can connect two USB sockets, can make when a plurality of electrical apparatus need charge than the one-port charger that fills soon and improve one time efficiency, and integrated circuit NS6116 in the circuit has functions such as steady voltage, input undervoltage overvoltage protection, overheat protection, input short-circuit protection, can guarantee the safety of this charger in the in-process of using.

Drawings

Fig. 1 is a schematic diagram of a 65W dual port super fast charger.

Fig. 2 is a circuit diagram of a 65W dual port super fast charger.

Fig. 3 is a circuit diagram of a pi-type filter.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example 1: referring to fig. 1, a 65W dual-port super fast charger includes a step-down rectifier module for AC-AC and AC-DC conversion, a harmonic filtering module for filtering harmonic interference, a voltage stabilizing protection module for voltage stabilizing protection, short circuit prevention, and overheating prevention, a fast charging module for fast charging a device, and a USB interface module connected to a charging device, wherein an input end of the step-down rectifier module is connected to a mains supply, an output end of the step-down rectifier module is connected to the harmonic filtering module, the harmonic filtering module is connected to the voltage stabilizing protection module, the voltage stabilizing protection module is connected to both of the two fast charging modules, and the two fast charging modules are respectively connected to the two USB interface modules.

The specific circuit is as shown in fig. 2, the step-down rectification module includes a rectifier T and a transformer W, the harmonic filtering module adopts a pi-type filter, the voltage stabilizing protection module is composed of a diode D1, a capacitor C1, a capacitor C2, a capacitor C3, an inductor L1, a slide rheostat RP1, a slide rheostat RP2 and an integrated circuit U1, one fast charging module is composed of a resistor R1, a resistor R2, a capacitor C4 and an integrated circuit U2, the other fast charging module is composed of a resistor R3, a resistor R4, a capacitor C5 and an integrated circuit U3, one USB interface module is composed of a USB1, the other USB interface module is composed of a USB2, a primary winding of the transformer W is connected with 220V alternating current, a secondary winding of the transformer W is connected with the rectifier T, an output port 2 of the rectifier T is connected with a port 1 of the pi-type filter, a port 2 of the pi-type filter is connected with, the port 4 of the pi-type filter is grounded, the port 3 of the pi-type filter is connected with the anode of a diode D1, the cathode of the diode D1 is connected with a capacitor C1, a VIN pin of an integrated circuit U1, an EN pin of the integrated circuit U1, the other end of a capacitor C1 is grounded, a GND pin of the integrated circuit U1 is grounded, SW of the integrated circuit U1 is connected with an inductor L1, the other end of the inductor L1 is connected with a sliding rheostat RP1, a capacitor C2, a capacitor C3, a resistor R3, a VDD pin of the integrated circuit U3, a QC-EN pin of the integrated circuit U3, a RP-EN pin of the integrated circuit U3, a resistor RP-EN pin of the external interface USB 3, a VOUT end of the external interface USB 3, the other end of the sliding rheostat 3 is connected with the sliding rheostat 3, the other end of, the other end of the resistor R1 is connected with a resistor R2 and an FBO pin of an integrated circuit U2, the other end of the resistor R2 is grounded, the other end of the capacitor C4 is grounded, the other end of the capacitor C5 is grounded, the D-pin of the integrated circuit U2 is connected with the D-end of an external interface USB1, the D + pin of the integrated circuit U2 is connected with the D + end of the external interface USB1, the GND pin of the integrated circuit U2 is connected with the GND port of the external interface USB1, the other end of the resistor R3 is connected with the resistor R4 and the FBO pin of the integrated circuit U3, the other end of the resistor R4 is grounded, the D-pin of the integrated circuit U3 is connected with the D-end of the external interface USB2, the D + pin of the integrated circuit U3 is connected with the D + end of the external interface USB 2.

The utility model discloses a theory of operation is: after the mains supply is connected, the voltage is output through voltage reduction, rectification and filtering, the diode D1 is a light emitting diode and plays a role in prompting the power supply to be connected, the capacitors C1, C2 and C3 play a role in bypassing the circuit and storing energy, so that the voltage stabilizer is output uniformly, the integrated circuit U1 is NS6116, the stable voltage of the output is adjusted by adjusting the sizes of the FB port slide rheostat RP1 and the slide rheostat RP2, the line voltage compensation is contained in the NS6116, and the adjustment is also realized by adjusting the resistance value of the FB port, the chip also has the functions of input overvoltage protection, undervoltage protection, over-temperature protection, output short-circuit protection and the like, the model of the integrated circuit U2 and the model of the integrated circuit U3 are FP6601Q, the integrated circuit U3 is a rapid charging protocol controller and plays a role in rapid charging, the external interface USB1 and the external interface USB2 are used for connecting charging equipment, and the capacitor C6 and the inductor L2 in the figure 3 play a role in filtering.

In embodiment 2, based on embodiment 1, the resistor RX is used to form a filter circuit in fig. 3, when the capacitor C6 is large, the charging and discharging speed of the capacitor C6 is too fast, and a resistor RX with a large resistance value is connected to delay the charging and discharging speed, so as to improve the load capacity of the whole system.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A65W double-port super quick-charging charger comprises a voltage-reducing rectifying module, a harmonic filtering module, a voltage-stabilizing protection module, two quick-charging modules and two USB interface modules, and is characterized in that the input end of the voltage-reducing rectifying module is connected with a mains supply, the output end of the voltage-reducing rectifying module is connected with the harmonic filtering module, the harmonic filtering module is connected with the voltage-stabilizing protection module, the voltage-stabilizing protection module is connected with the two quick-charging modules, the two quick-charging modules are respectively connected with the two USB interface modules, the voltage-reducing rectifying module comprises a rectifier T and a transformer W, the harmonic filtering module adopts a pi-type filter, the voltage-stabilizing protection module comprises a diode D1, a capacitor C1, a capacitor C2, a capacitor C3, an inductor L1, a slide rheostat RP1, a slide rheostat RP2 and an integrated circuit U1, and one quick-charging module comprises a resistor R1, The fast charging module comprises a capacitor C4 and an integrated circuit U2, the other fast charging module comprises a resistor R3, a resistor R4, a capacitor C5 and an integrated circuit U3, one USB interface module comprises a USB1, the other USB interface module comprises a USB2, a primary winding of a transformer W is connected with 220V alternating current, a secondary winding of the transformer W is connected with a rectifier T, an output port 2 of the rectifier T is connected with a port 1 of a pi-type filter, a port 2 of the pi-type filter is connected with an output port 4 of the rectifier T, a port 4 of the pi-type filter is grounded, a port 3 of the pi-type filter is connected with an anode of a diode D1, a cathode of the diode D1 is connected with a capacitor C1, a VIN pin of the integrated circuit U1 and an EN pin of the integrated circuit U1, the other end of the capacitor C1 is grounded, a GND pin of the integrated circuit U1 is grounded, a SW of the integrated circuit U1 is connected with an inductor, A capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a resistor R1, a resistor R3, a VDD pin of an integrated circuit U2, a QC-EN pin of an integrated circuit U2, a VDD pin of an integrated circuit U3, a QC-EN pin of the integrated circuit U3, a VOUT end of an external interface USB 3, a VOUT end of the external interface USB 3, the other end of a slide rheostat RP 3 is connected with the slide rheostat RP 3, the other end of the capacitor C3, an FB pin of the integrated circuit U3, the other end of the slide rheostat RP 3 is grounded, the other end of the capacitor C3 is grounded, the D-pin of the integrated circuit U3 is connected with the D-end of the external interface 3, the D + pin of the integrated circuit U3 is connected with the D + terminal of the external interface 3, the D + pin of the integrated circuit U3 is connected with GN, the other end of the resistor R3 is connected with a resistor R4 and an FBO pin of an integrated circuit U3, the other end of the resistor R4 is grounded, a D-pin of the integrated circuit U3 is connected with a D-end of an external interface USB2, a D + pin of the integrated circuit U3 is connected with a D + end of the external interface USB2, and a GND pin of the integrated circuit U3 is connected with a GND port of the external interface USB 2.

2. The 65W dual port super fast charger according to claim 1, wherein said pi filter is composed of an inductor L2, a capacitor C6 and a resistor RX.

3. The 65W dual port super fast charger according to claim 1, wherein said diode D1 is a light emitting diode.

4. The 65W dual-port super fast charger according to claim 3, wherein the model of the integrated circuit U1 is NS6116, and the models of the integrated circuits U2 and U3 are FP 6601Q.

5. The 65W dual port super fast charger according to claim 1, wherein said rectifier T is formed by a bridge rectifier circuit.