CN211508667U

CN211508667U - Mobile power supply

Info

Publication number: CN211508667U
Application number: CN202020226293.6U
Authority: CN
Inventors: 牟端
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-09-15
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a mobile power supply. Including shell (1), PCB board (2), slide switch (3), its characterized in that: the mobile power supply charging input device is characterized in that a PCB (2) is installed in the shell (1), a sliding switch (3) is installed at the upper end of the shell (1), and holes for exposing the mobile power supply charging input USB-microB interface (4), the USB-A (9) interface, the USB-B (10) interface, the Type-C (11) interface and the LED (12) display lamp are formed in the front of the shell (1). The utility model discloses simple structure, it is long-term reliable, the low price, the commonality is strong, can large-scale production.

Description

Mobile power supply

Technical Field

The utility model relates to a mobile electronic equipment technical field that charges relates to a portable power source particularly.

Background

Mobile electronic devices on the market are more and more, many of them need to use mobile power sources to charge them, and all of them have power management chips inside to manage battery charging, due to inconsistent charging standards of all people, the use cost, complexity of use and waste of resources are increased, some major charging protocols are gradually formed, such as lighting of apple, high-pass QC1.0, QC2.0, QC3.0, QC4.0, OPPO VOOC/DASH, hua is SCP and FCP, google USB PD, etc., but still more types are formed, so that the current mobile power sources have to adopt protocol communication chips, MCU charging management, etc. to meet market needs, thereby making mobile power source design more and more complex and increasing material cost. The market demands a mobile power supply that is simple, cheap, reliable and versatile.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned shortcoming, provide a simple structure, it is long-term reliable, the low price, the commonality is strong, portable power source that can large-scale production.

The utility model discloses an aim at and solve its main technical problem and adopt following technical scheme to realize:

the utility model discloses a mobile power supply, including shell, PCB board, slide switch, its characterized in that: the mobile power supply charging input device comprises a shell, wherein a PCB is installed in the shell, a sliding switch is installed at the upper end of the shell, and holes for exposing a USB-microB interface, a USB-A interface, a USB-B interface, a Type-C interface and an LED display lamp of the mobile power supply charging input device are formed in the front of the shell.

The sliding switch is provided with a metal lead A, a metal lead B, a metal lead C, a metal lead D, a sliding block, a metal contact piece A and a metal contact piece B respectively.

An ASIC integrated circuit power supply chip, a USB-A interface, a USB-B interface, a Type-C interface and an LED display lamp are arranged on the PCB, wherein the ASIC integrated circuit power supply chip, the USB-A interface, the USB-B interface, the Type-C interface and the LED display lamp are arranged on the PCB; the power supply chip of the ASIC integrated circuit is respectively integrated with a charging control module and an automatic voltage-boosting and voltage-reducing control module, the power supply chip of the ASIC integrated circuit is provided with a power supply input pin Vin, a grounding pin Gnd, an internal voltage pin Vdd, a power supply output pin Vout, an output voltage selection pin F1 and F0, the power supply input pin Vin is connected with a Vbus pin of a charging input USB-microB interface through a lead wire, the power supply input pin Vin is connected with the grounding pin Gnd through a capacitor A, the internal voltage pin Vdd is connected with the grounding pin Gnd through a parallel capacitor B and a capacitor C, the grounding pin Gnd is connected with a ground wire on a PCB plate through a lead wire, the Gnd pin of the charging input US-microB interface is grounded, the positive pole of a battery is connected with a Bat pin of the power supply chip of the ASIC integrated circuit through a lead wire to charge the battery, the Bs pin is connected with the positive pole of the battery, the, the temperature sensor is arranged on a battery, an Iset pin is connected with a resistor R32, and the anode of the battery is connected with a BVin pin of an ASIC power supply chip through a lead.

The Vbus pin on the USB-A interface is connected with the Vout pin of the ASIC integrated circuit power supply chip and is also connected with one end of a resistor D and one end of a resistor E, the D-pin on the USB-A interface is connected with the other end of the resistor D and one end of a resistor F, the D + pin on the USB-A interface is connected with the other end of the resistor E and one end of a resistor J, the other ends of the resistor F and the resistor J are both grounded, the Vbus pin on the USB-B interface is connected with the Vout pin of the ASIC integrated circuit power supply chip and is also connected with one end of a resistor H and one end of a resistor I, the D-pin on the USB-B interface is connected with the other end of the resistor H and one end of a resistor K, the D + pin on the USB-B interface is connected with the other end of the resistor I and one end of the resistor M, and the other, vbus on the Type-C interface is connected with a Vout pin of an ASIC (application specific integrated circuit) power supply chip, Gnd on the Type-C interface is grounded, a CC (contact control) pin on the Type-C interface is connected with the Vout of the ASIC power supply chip through a pull-up resistor P, a D-pin on the Type-C interface is connected with a D-pin on the USB-B interface, and a D + pin on the Type-C interface is connected with a D + pin on the USB-B interface.

An output voltage selection pin F1 on the ASIC power supply chip is connected with a metal wire B on a sliding switch on the shell, an output voltage selection pin F0 on the ASIC power supply chip is connected with a metal wire C on the sliding switch on the shell, a Vdd pin on the ASIC power supply chip is connected with a metal wire A on the sliding switch on the shell, and a metal wire D on the sliding switch on the shell is connected with a ground wire on the PCB.

Wherein the Lightning head and line Vbus D that charge and D + and Gnd line replace corresponding the wiring point of USB-A interface respectively and link to each other, and the Vbus that USB-micro B charges the head, D-, D + and GND line replace corresponding the wiring point of USB-B interface respectively and link to each other, and the Vbus that Type-C charges the head, GND and CC line replace corresponding the wiring point of Type-C interface respectively and link to each other, and various mobile electronic equipment of direct insertion charge for them.

Compared with the prior art, the utility model has obvious beneficial effects; the technical scheme shows that: when a sliding block on the sliding switch slides to different positions, Vout outputs different voltage values, namely, the sliding state is that a metal contact piece A slides to connect a metal lead A (namely Vdd) with a metal lead B (namely F1), the metal contact piece B connects the metal lead B with a metal lead C, the level on pins F1 and F0 is (11), Vout outputs 5V and can charge an apple series, the sliding state is that the metal contact piece A connects the metal lead A with the metal lead B, the metal contact piece B connects the metal lead C with a metal lead D (namely Gnd), the level on pins F1 and F0 is (10), and the Vout outputs 9V, and can charge equipment meeting the USB3.1 protocol and QC1.0, QC2.0 and QC 3.0; when the sliding block slides to a position where the metal contact piece A connects the metal lead A with the metal lead C, the metal contact piece B connects the metal lead B with the metal lead D, and the level of the pins F1 and F0 is (01), Vout output voltage is 15V, and partial notebook computers and mobile phones can be charged; when the sliding switch slides to a position where the metal contact piece A connects the metal lead B with the metal lead C, the metal contact piece B connects the metal lead C with the metal lead D, and the level of the pins F1 and F0 is (00), the Vout outputs 20V, and the notebook computer and the mobile phone are charged quickly. In order to meet the condition that some users do not have charging wires, the USB-A interface, the USB-B interface and the Type-C interface can be respectively changed into a Lingtning charging head and line, a USB-microB charging head and line and a Type-C charging head and line, so that various corresponding electronic devices can be charged, and three devices can be charged simultaneously. On the premise of not using the Lightning charging protocol module, the QC charging protocol module, the USB PD charging module, the charging management module and the like, the charging device can charge batteries of a PAD (PAD application), a mobile phone and the like for using a Type-C interface to accord with a USB3.1 protocol, a USB-A to USB-micro interface to accord with QC2.0, QC3.0, QC4.0 protocol, a common USB-A to USB-micro interface and other power management chips, and also can charge all apple terminals of the USB-A to Lightning, and can charge various notebooks with 19.5V of input voltage, 2.25A of input current, 15V of input voltage and 3A of input current by using a power line of the Type-C interface to transfer a notebook charging interface. The structure is simple, the long-term reliability is realized, the price is low, the universality is strong, and the large-scale production can be realized.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a circuit connection diagram of embodiment 2 of the present invention;

fig. 3 is a circuit connection diagram according to embodiment 3 of the present invention;

fig. 4 is a diagram of a slide switch in use state 1 according to embodiment 4 of the present invention;

fig. 5 is a use state diagram 2 of a slide switch according to embodiment 4 of the present invention;

fig. 6 is a use state diagram 3 of a slide switch according to embodiment 4 of the present invention;

fig. 7 is a use state diagram 4 of a slide switch according to embodiment 4 of the present invention.

Reference numerals: 1. a housing, 2, a PCB, 3, a slide switch, 4, a USB-microB charging connector, 5, a metal wire A, 6, a metal wire B, 7, a metal wire C, 8, a metal wire D,9, a USB-A, 10, a USB-B,11, a Type-C, 12, an LED, 13, a metal contact piece A, 14, a metal contact piece B, 15, a positioning hole, 16, an ASIC power chip, 17, a capacitor A, 18, a capacitor B, 19, a capacitor C, 20, a resistor A, 21, a resistor B, 22, a resistor F, 23, a resistor J, 24, a resistor H, 25, a resistor K, 26, a resistor I, 27, a resistor M, 28, a resistor P, 29, a battery, 30, a slider, 31, a temperature sensor, 32, a resistor R,33, a Lightning charging connector and wire, 34, a USB-microB charging connector and wire, 35, a Type-C charging connector and wire, 36. and the charging control module 37 is an automatic voltage increasing and decreasing control module.

Detailed Description

The following detailed description of the embodiments, structures, features and effects of the multifunctional charger according to the present invention will be made with reference to the accompanying drawings and the preferred embodiments.

Example 1:

referring to fig. 1, the utility model discloses a portable power source installs PCB board 2 in shell 1, install slide switch 3 above the shell, shell 1 is preceding to be opened respectively and to expose this portable power source input USB-microB interface 4 that charges, expose the USB-A9 interface, USB-B10 interface, the hole of Type-C11 interface and LED12 display lamp, install metal contact piece A13 and metal contact piece B14 on slide switch's slider 30, when slider 30 slides to different positions on slide switch, obtain required output voltage and the charging protocol that satisfies the needs, charge for various different electronic product.

Example 2:

referring to fig. 2, on the basis of embodiment 1, a circuit connection diagram on the PCB board 2 is shown, in which a metal wire a5 mounted on the slide switch 3 is connected to Vdd, a metal wire B6 is connected to an output voltage selection pin F1, a metal wire C7 is connected to an output voltage selection pin F0, and a metal wire D8 is connected to a ground Gnd.

Example 3:

in order to meet the condition that some users do not have charging wires, the USB-A9 interface, the USB-B10 interface and the Type-C11 interface can be respectively replaced by a Lingtning charging head and line 33, a USB-microB charging head and line 34 and a Type-C charging head and line 35, so that various corresponding electronic devices can be charged.

Example 4:

referring to fig. 4-7, when the slider 30 on the slide switch 3 is slid to the position of fig. 4, the metal contact piece a13 connects the metal wire A5 (i.e., Vdd) to the metal wire B6 (i.e., F1), the metal contact piece B14 connects the metal wire B6 to the metal wire C7, the pins F1 and F0 have the level of (11), Vout outputs 5V, when the slider 30 on the slide switch 3 is slid to the position of fig. 5, the metal contact piece a13 connects the metal wire A5 to the metal wire B6, the metal contact piece B14 connects the metal wire C7 to the metal wire D8 (i.e., Gnd), the pins F1 and F0 have the level of (10), when the voltage Vout outputs 9V, which may charge devices satisfying the USB3.1 protocol and QC1.0, QC2.0, QC3.0, when the slider 30 on the slide switch 3 is slid to the position of fig. 6, the metal contact piece a13 connects the metal wire B6 to the metal wire C14, when the level on the pins F1 and F0 is (00), the Vout output voltage is 20V, the notebook computer and the mobile phone are charged quickly, when the slide block 30 on the slide switch 3 slides to the position shown in FIG. 7, the metal contact piece A13 connects the metal lead A5 with the metal lead C7, the metal contact piece B14 connects the metal lead B6 with the metal lead D8, and when the level on the pins F1 and F0 is (01), the Vout output voltage is 15V, and part of the notebook computer and the mobile phone can be charged.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A mobile power supply comprises a shell (1), a PCB (printed circuit board) board (2) and a sliding switch (3), and is characterized in that: the mobile power supply charging input device is characterized in that a PCB (2) is installed in the shell (1), a sliding switch (3) is installed at the upper end of the shell (1), and holes for exposing the mobile power supply charging input USB-microB interface (4), the USB-A (9) interface, the USB-B (10) interface, the Type-C (11) interface and the LED (12) display lamp are formed in the front of the shell (1).

2. The mobile power supply of claim 1, wherein: the sliding switch (3) is provided with a metal lead A (5), a metal lead B (6), a metal lead C (7), a metal lead D (8), a sliding block (30), a metal contact piece A (13) and a metal contact piece B (14) respectively.

3. The mobile power supply of claim 1, wherein: an ASIC integrated circuit power supply chip (16), a USB-A (9) interface, a USB-B (10) interface, a Type-C (11) interface and an LED (12) display lamp are mounted on the PCB (2), wherein; a charging control module (36) and an automatic voltage raising and reducing control module (37) are respectively integrated in an ASIC power chip (16), the ASIC power chip (16) is provided with a power input pin Vin, a grounding pin Gnd, an internal voltage pin Vdd, a power output pin Vout, an output voltage selection pin F1 and F0, the power input pin Vin is connected with a Vbus pin of a charging input USB-microB interface (4) through a lead, the power input pin Vin is connected with the grounding pin Gnd through a capacitor A (17), the internal voltage pin Vdd is connected with the grounding pin Gnd through a capacitor B (18) and a capacitor C (19) which are connected in parallel, the grounding pin Gnd is connected with a ground wire on a PCB (2) through a lead, the Gnd pin of the charging input US-microB interface (4) is grounded, the positive pole of a battery (29) is connected with a Bat pin of the ASIC power chip (16) through a lead to charge the battery, the BS pin is connected with the positive electrode of a battery (29), the NTC pin is connected with a temperature sensor (31), the temperature sensor (31) is installed on the battery (29), the Iset pin is connected with a resistor R (32), and the positive electrode of the battery (29) is connected with the BVin pin of the ASIC power supply chip (16) through a lead.

4. The mobile power supply of claim 3, wherein: the Vbus pin on the USB-A (9) interface is connected with a Vout pin of an ASIC integrated circuit power supply chip (16) and is connected with one end of a resistor D (20) and one end of a resistor E (21) at the same time, a D-pin on the USB-A (9) interface is connected with the other end of the resistor D (20) and one end of a resistor F (22), a D + pin on the USB-A (9) interface is connected with the other end of the resistor E (21) and one end of a resistor J (23), the other ends of the resistor F (22) and the resistor J (23) are grounded, the Vbus pin on the USB-B (10) interface is connected with a Vout pin of the ASIC integrated circuit power supply chip (16) and is connected with one end of a resistor H (24) and one end of a resistor I (26) at the same time, a D-pin on the USB-B (10) interface is connected with the other end of the resistor H (24) and one end of a resistor K (25), the D + pin on the USB-B (10) interface is connected with the other end of a resistor I (26) and one end of a resistor M (27), the other ends of a resistor K (25) and the resistor M (27) are grounded, Vbus on the Type-C (11) interface is connected with a Vout pin of an ASIC (16) integrated circuit power supply chip, Gnd on the Type-C (11) interface is grounded, a CC pin on the Type-C (11) interface is connected with Vout of the ASIC (16) integrated circuit power supply chip through a pull-up resistor P (28), the D-pin on the Type-C (11) interface is connected with a D-pin on the USB-B (10) interface, and the D + pin on the Type-C (11) interface is connected with a D + pin on the USB-B (10) interface.

5. The mobile power supply of claim 4, wherein: an output voltage selection pin F1 on the ASIC integrated circuit power chip (16) is connected with a metal wire B (6) on a sliding switch (3) on the shell (1), an output voltage selection pin F0 on the ASIC integrated circuit power chip (16) is connected with a metal wire C (7) on the sliding switch (3) on the shell (1), a Vdd pin on the ASIC integrated circuit power chip (16) is connected with a metal wire A (5) on the sliding switch (3) on the shell (1), and a metal wire D (8) on the sliding switch (3) on the shell (1) is connected with a ground wire on the PCB (2).

6. The mobile power supply of claim 1, wherein: the Vbus D-, D + and Gnd lines of the Lightning charging head and the line (33) respectively replace corresponding connection points of a USB-A (9) interface to be connected, the Vbus, D-, D + and GND lines of the USB-micro B charging head (34) respectively replace corresponding connection points of a USB-B (10) interface to be connected, the Vbus of the Type-C charging head (35), GND and CC lines respectively replace corresponding connection points of a Type-C (11) interface to be connected, and various mobile electronic devices are directly inserted to charge the charging heads.