CN215267724U

CN215267724U - Multi-voltage charger

Info

Publication number: CN215267724U
Application number: CN202121559363.0U
Authority: CN
Inventors: 刘凤生
Original assignee: Shenzhen Superlight Technology Co ltd
Current assignee: Shenzhen Superlight Technology Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-21
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a multi-voltage charger, which comprises a first shell, a second shell, a main board and a connecting seat; the first shell and the second shell are buckled and connected to form a mounting cavity, the mainboard and the connecting seat are respectively arranged in the mounting cavity, the mainboard is electrically connected with the connecting seat, the connecting seat is also electrically connected with an external battery pack, the connecting seat plays a role in connecting a relay, the mainboard is used for controlling the operation of the whole charger, and the battery pack is used for providing electric energy required by the work of the whole charger; the mainboard comprises a voltage reduction circuit, a touch control circuit, a one-to-two charging circuit and a DC charging circuit, the battery pack is electrically connected with the voltage reduction circuit, the one-to-two charging circuit and the DC charging circuit respectively, the voltage reduction circuit is also electrically connected with the touch control circuit, and the touch control circuit is also electrically connected with the one-to-two charging circuit and the DC charging circuit respectively. The utility model discloses a set up the output interface of three kinds of differences, the audience scope is big, and output voltage is various, can satisfy multiple demand, and the commonality is good.

Description

Multi-voltage charger

Technical Field

The utility model relates to a charger technical field especially relates to a multi-voltage charger.

Background

Various electric tools, digital products, small portable electronic equipment and electronic appliances supplement electric energy to use chargers, wherein common chargers comprise a battery charger, a wireless charger, a priority charger and the like, and the charger is connected with a power supply to supplement the electric energy to the products, so that the normal work of the products is guaranteed; at present, the output interface of the existing battery charger on the market is monotonous, generally only has a USB interface, so that most of the battery chargers can only charge electronic products with the USB interface, the audience range is small, the universality is poor, the output voltage of the existing battery charger on the market is single, various voltage requirements cannot be met, and the use experience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide a multi-voltage charger.

The technical scheme of the utility model as follows:

a multi-voltage charger comprising: the device comprises a first shell, a second shell, a main board and a connecting seat; the first shell and the second shell are mutually buckled and connected to form a mounting cavity, the mainboard and the connecting seat are respectively arranged in the mounting cavity, the mainboard is electrically connected with the connecting seat, the connecting seat is also electrically connected with an external battery pack, the mainboard is electrically connected with the external battery pack through the connecting seat, the connecting seat plays a role of connecting a relay, the mainboard is used for controlling the operation of the whole charger, and the battery pack is used for providing electric energy required by the work of the whole charger;

the mainboard comprises a voltage reduction circuit, a touch control circuit, a one-to-two charging circuit and a DC charging circuit; the battery pack is respectively connected with the voltage reduction circuit, the one-driving-two charging circuit and the DC charging circuit, the voltage reduction circuit is further connected with the touch control circuit, the touch control circuit is further connected with the one-driving-two charging circuit and the DC charging circuit, the voltage reduction circuit is used for reducing the voltage of the direct current provided by the battery pack so as to supply power to the touch control circuit, the touch control circuit is used for controlling the operation of the one-driving-two charging circuit and the DC charging circuit, the one-driving-two charging circuit is used for realizing the quick charging operation of an electronic product with a Type-C interface and/or a USB interface, and the DC charging circuit is used for realizing the charging operation of the electronic product with the DC interface.

Furthermore, the voltage reduction circuit consists of a voltage reduction chip U1 with the model number of 6203-5V, resistors R1, R2, R3, R4, capacitors C1 and C2 and a diode D1; the voltage reduction chip U1 is respectively and electrically connected with the battery pack and the touch control circuit, and the voltage reduction chip U1 is used for reducing the voltage of direct current provided by the battery pack so as to supply power to the touch control circuit.

Further, the touch control circuit is composed of a control chip U2, a switch S1, resistors R5, R6, R7, R12, capacitors C3, C4 and C5; the control chip U2 is respectively with step-down chip U1, switch S1, one drags two charging circuit and DC charging circuit electric connection, control chip U2 is used for controlling the operation of one drags two charging circuit and DC charging circuit.

Further, the one-driving-two charging circuit comprises a DC-DC chip U3 with the model of LSP5526, a power management chip U4 with the model of 8036, a USB interface, a Type-C interface and a working circuit thereof; the DC-DC chip U3 is electrically connected with the battery pack, the control chip U2 and the power management chip U4 respectively, the power management chip U4 is also electrically connected with the USB interface and the Type-C interface respectively, the DC-DC chip U3 is used for reducing the direct current provided by the battery pack, the power management chip U4 is used for realizing charging management, the USB interface is used for connecting an electronic product with the USB interface to realize charging the electronic product, and the Type-C interface is used for connecting the electronic product with the Type-C interface to realize charging the electronic product.

Further, the DC charging circuit comprises a DC-DC chip U5 with the model of LSP5526, a DC interface and an operating circuit thereof; the DC-DC chip U5 is respectively electrically connected with the battery pack, the control chip U2 and the DC interface, the DC-DC chip U5 is used for reducing the voltage of direct current provided by the battery pack, and the DC interface is used for connecting an electronic product with the DC interface to charge the electronic product.

By adopting the scheme, the utility model discloses following beneficial effect has:

the utility model discloses a set up the output interface of three kinds of differences, increased the audience scope of charger, output voltage is various, can satisfy multiple demand, and the commonality is good, has realized filling soon, and charge time is shorter, and the design is exquisite, is worth the society and widelys popularize.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a three-dimensional structure of the present invention;

FIG. 2 is a perspective view of the present invention from another angle;

FIG. 3 is an exploded view of the structure of the present invention;

fig. 4 is a circuit schematic diagram of the voltage reduction circuit of the present invention;

fig. 5 is a schematic circuit diagram of the touch control circuit of the present invention;

fig. 6 is a schematic circuit diagram of the one-to-two charging circuit of the present invention;

fig. 7 is a schematic circuit diagram of the DC charging circuit of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Referring to fig. 1 to 7, the utility model provides a multi-voltage charger, including first casing 1, second casing 2, mainboard 3 and connecting seat 4, first casing 1 with second casing 2 lock each other and connect and constitute an installation cavity, mainboard 3 and connecting seat 4 set up respectively in the installation cavity, mainboard 3 with connecting seat 4 electric connection, connecting seat 4 still with outside group battery electric connection, thus mainboard 3 realizes electric connection with outside group battery through connecting seat 4, connecting seat 4 plays a connection relay's effect, mainboard 3 is used for controlling the operation of whole charger, the group battery is used for providing the electric energy that whole charger work required and as charging source;

the main board 3 includes a voltage reduction circuit 301, a touch control circuit 302, a one-to-two charging circuit 303 and a DC charging circuit 304, the battery pack is respectively electrically connected to the voltage reduction circuit 301, the one-to-two charging circuit 303 and the DC charging circuit 304, the voltage reduction circuit 301 is further electrically connected to the touch control circuit 302, the touch control circuit 302 is further electrically connected to the one-to-two charging circuit 303 and the DC charging circuit 304, the voltage reduction circuit 301 is configured to reduce a voltage of a direct current provided by the battery pack to supply power to the touch control circuit 302, that is, in application, the voltage reduction circuit 301 converts an 18V direct current provided by the battery pack into a 5V direct current to be supplied to the touch control circuit 302, the touch control circuit 302 is configured to control operations of the one-to-two charging circuit 303 and the DC charging circuit 304, and the one-to-two charging circuit 303 is configured to implement a Type-C interface and/or a USB interface The DC charging circuit 304 is used to realize a charging operation for an electronic product with a DC interface.

In this embodiment, the voltage-reducing circuit 301 includes a voltage-reducing chip U1 with a model of 6203-5V and an operating circuit thereof, specifically, the voltage-reducing circuit 301 is composed of a voltage-reducing chip U1 with a model of 6203-5V, a resistor R1, an R2, an R3, an R4, a capacitor C1, a C2, and a diode D1, the voltage-reducing chip U1 is electrically connected to the battery pack and the touch control circuit 302, and the voltage-reducing chip U1 is configured to reduce the dc power provided by the battery pack to supply power to the touch control circuit 302, that is, when in use, the voltage-reducing chip U1 converts the 18V dc power provided by the battery pack into 5V dc power to supply power to the touch control circuit 302.

In this embodiment, the touch control circuit 302 includes a control chip U2 with a model number of HC8P1683, a switch S1 and a working circuit thereof, and specifically, the touch control circuit 302 is composed of a control chip U2 with a model number of HC8P1683, a switch S1, a resistor R5, R6, R7, R12, a capacitor C3, a resistor C4 and a capacitor C5, the control chip U2 is respectively electrically connected to the voltage reduction chip U1, the switch S1, the one-drive-two charging circuit 303 and the DC charging circuit 304, the control chip U2 is used to control operations of the one-drive-two charging circuit 303 and the DC charging circuit 304, and the switch S1 is used to trigger different control commands, that is, when in application, the control chip U2 plays a control role, and the control chip U2 generates different control commands through the touch switch S1.

In this embodiment, the one-driving-two charging circuit 303 includes a DC-DC chip U3 with a model number of LSP5526, a power management chip U4 with a model number of 8036, a USB interface, a Type-C interface, and an operating circuit thereof, specifically, the one-driving-two charging circuit 303 is composed of a DC-DC chip U3 with a model number of LSP5526, a power management chip U4 with a model number of 8036, a resistor R18, R19, R20, a capacitor C20, a diode D20, a D20, an inductor L20, a triode Q20, a USB interface, and a Type-C interface, the DC-DC chip U20 is electrically connected to the battery pack U20, the power management chip U20, the Type-C20, the battery pack and the Type-C interface, and the DC-DC chip 20 are electrically connected to the battery pack, and the Type-C-DC interface is further electrically connected to the battery pack, and the battery pack is electrically connected to the battery pack, and the DC-DC chip 20, and the battery pack is electrically connected to the battery pack, and the battery pack, respectively, namely, during application, the DC-DC chip U3 converts the 18V direct current provided by the battery pack into 5V direct current to provide 5V voltage for a USB interface and a Type-C interface, the power management chip U4 is used for realizing charging management, the USB interface is used for connecting an electronic product with a USB interface to realize charging of the electronic product, and the Type-C interface is used for connecting an electronic product with a Type-C interface to realize charging of the electronic product.

In this embodiment, the DC charging circuit 304 includes a DC-DC chip U5 with a model of LSP5526, a DC interface and an operating circuit thereof, and specifically, the DC charging circuit 304 is composed of a DC-DC chip U5 with a model of LSP5526, resistors R8, R10, R11, R13, R14, R15, R26, capacitors C6, C7, C9, C10, C11, C12, C13, diodes D2, D3, D7, an inductor L1, triodes Q1, Q2, and a DC interface, the DC-DC chip U5 is electrically connected to the battery pack, the control chip U2, and the DC interface, the DC-DC chip U5 is used for reducing the direct current provided by the battery pack, and the DC interface is used for connecting an electronic product with the DC interface to charge the electronic product.

In this embodiment, a groove is formed on both the top of the first casing 1 and the top of the second casing 2, the two grooves together form a complete switch slot, and the switch S1 is disposed in the switch slot; a first mounting hole and a second mounting hole are respectively formed in the left side wall of the first shell 1, the Type-C interface is arranged in the first mounting hole, and the USB interface is arranged in the second mounting hole; and a third mounting hole is formed in the right side wall of the second shell 2, and the DC interface is arranged in the third mounting hole.

Compared with the prior art, the utility model discloses following beneficial effect has:

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A multi-voltage charger, comprising: the device comprises a first shell, a second shell, a main board and a connecting seat; the first shell and the second shell are mutually buckled and connected to form a mounting cavity, the mainboard and the connecting seat are respectively arranged in the mounting cavity, the mainboard is electrically connected with the connecting seat, the connecting seat is also electrically connected with an external battery pack, the mainboard is electrically connected with the external battery pack through the connecting seat, the connecting seat plays a role of connecting a relay, the mainboard is used for controlling the operation of the whole charger, and the battery pack is used for providing electric energy required by the work of the whole charger;

the mainboard comprises a voltage reduction circuit, a touch control circuit, a one-to-two charging circuit and a DC charging circuit; the battery pack is respectively connected with the voltage reduction circuit, the one-driving-two charging circuit and the DC charging circuit, the voltage reduction circuit is further connected with the touch control circuit, the touch control circuit is further connected with the one-driving-two charging circuit and the DC charging circuit, the voltage reduction circuit is used for reducing the voltage of the direct current provided by the battery pack so as to supply power to the touch control circuit, the touch control circuit is used for controlling the operation of the one-driving-two charging circuit and the DC charging circuit, the one-driving-two charging circuit is used for realizing the charging operation of an electronic product with a Type-C interface and/or a USB interface, and the DC charging circuit is used for realizing the charging operation of the electronic product with the DC interface.

2. The multi-voltage charger as claimed in claim 1, wherein the voltage-reducing circuit is composed of a voltage-reducing chip U1 with model 6203-5V, resistors R1, R2, R3, R4, capacitors C1 and C2, and a diode D1; the voltage reduction chip U1 is respectively and electrically connected with the battery pack and the touch control circuit, and the voltage reduction chip U1 is used for reducing the voltage of direct current provided by the battery pack so as to supply power to the touch control circuit.

3. The multi-voltage charger as claimed in claim 2, wherein the touch control circuit is composed of a control chip U2, a switch S1, a resistor R5, R6, R7, R12, a capacitor C3, C4, C5; the control chip U2 is respectively with step-down chip U1, switch S1, one drags two charging circuit and DC charging circuit electric connection, control chip U2 is used for controlling the operation of one drags two charging circuit and DC charging circuit.

4. The multi-voltage charger of claim 3, wherein the one-to-two charging circuit comprises a DC-DC chip U3 with model number LSP5526, a power management chip U4 with model number 8036, a USB interface and a Type-C interface and their operating circuits; the DC-DC chip U3 is electrically connected with the battery pack, the control chip U2 and the power management chip U4 respectively, the power management chip U4 is also electrically connected with the USB interface and the Type-C interface respectively, the DC-DC chip U3 is used for reducing the direct current provided by the battery pack, the power management chip U4 is used for realizing charging management, the USB interface is used for connecting an electronic product with the USB interface to realize charging the electronic product, and the Type-C interface is used for connecting the electronic product with the Type-C interface to realize charging the electronic product.

5. The multi-voltage charger of claim 3, wherein the DC charging circuit comprises a DC-DC chip U5 model LSP5526, a DC interface and its operating circuit; the DC-DC chip U5 is respectively electrically connected with the battery pack, the control chip U2 and the DC interface, the DC-DC chip U5 is used for reducing the voltage of direct current provided by the battery pack, and the DC interface is used for connecting an electronic product with the DC interface to charge the electronic product.