CN110932361B

CN110932361B - A miniaturized charger

Info

Publication number: CN110932361B
Application number: CN201911330711.4A
Authority: CN
Inventors: 阳宁峰; 朱渝; 包清山; 刘华刚
Original assignee: Chongqing Xnd Communication Co ltd
Current assignee: Chongqing Xnd Communication Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2025-06-13
Anticipated expiration: 2039-12-20
Also published as: CN110932361A

Abstract

The invention discloses a miniaturized charger, comprising a shell, wherein a DC charging module, an AC/DC adapter, a hand crank, a voltage limiting controller and a self-adapter are arranged in a multi-column stacking manner on the shell, and an AC power input interface, a DC power input interface, a solar power input interface and a charging output interface which are linearly arranged outside the shell are installed in the shell; compared with the prior art, the invention arranges the DC charging module, the AC/DC adapter, the hand crank, the voltage limiting controller and the self-adapter in the shell in a multi-column stacking manner, and linearly arranges the AC power input interface, the DC power input interface, the solar power input interface and the charging output interface inside and outside the shell, so that the miniaturized charger has a compact structure, a small size and is easy to carry.

Description

Miniaturized machine that charges

Technical Field

The invention relates to the technical field of chargers, in particular to a miniaturized charger.

Background

Currently, the most widely used chargers are ac chargers, which use ac power as a working power source, and supply ac power to a utility power source, an ac generator, and the like. Another type of charger is a dc charger, which uses dc power as a working power source, and an automobile battery, a dc generator, etc. provide dc power. In places without alternating current or direct current, the most practical charger is a hand charger, which uses manpower as a working energy source. Ac chargers, dc chargers and hand chargers generally exist in independent forms, and ac and dc integrated chargers occasionally appear.

In order to facilitate the use, the prior large-sized charger which is formed by combining an alternating current charger, a direct current charger and a hand-operated charger is inconvenient to carry.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention aims to provide a miniaturized charger, so as to solve the problems that the existing charger formed by combining an alternating current charger, a direct current charger and a hand-operated charger is large in size and inconvenient to carry in the prior art.

In order to achieve the purpose, the miniature charger adopts the following technical scheme that the miniature charger comprises a shell, wherein the shell is provided with a direct current charging module, an AC/DC adapter, a hand crank, a voltage limiting controller and a self-adapter in a multi-column lamination mode, and an alternating current power input interface, a direct current power input interface, a solar power input interface and a charging output interface which are arranged in a linear mode and penetrate through the shell are arranged in the shell.

Compared with the prior art, the invention has the following beneficial effects:

The miniature charger is characterized in that the direct current charging module, the AC/DC adapter, the hand crank, the voltage limiting controller and the self-adapter are arranged in the shell in a multi-column lamination mode, and the alternating current power input interface, the direct current power input interface, the solar power input interface and the charging output interface are linearly arranged inside and outside the shell in a penetrating mode, so that the miniature charger is compact in structure, small in size and convenient to carry.

Drawings

FIG. 1 is a partial block diagram of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1;

FIG. 3 is a partial cross-sectional view taken along line B-B of FIG. 2;

FIG. 4 is a partial cross-sectional view of FIG. 2 taken along line C-C;

Fig. 5 is a schematic block diagram of a circuit in the present invention.

Detailed Description

The invention is described in further detail below by way of specific embodiments:

The reference numerals in the drawings of the specification comprise a shell 1, a direct current charging module 2, an AC/DC adapter 3, a hand crank 4, an AC power input interface 5, a DC power input interface 6, a solar power input interface 7, a charging output interface 8, a mounting groove 9, a fixing lug 10, a setting groove 11, a pressing block 12, an elastic telescopic rod 13, a lock column 14, a hanging ring 15, an elastic telescopic ejector rod 16, a connecting block 17, a mounting cavity 18, a communication hole 19, a winding rod 20, a traction coil 21, a driving wire 22, a voltage limiting controller 23, a self-adapter 24 and a USB conversion module 25.

Examples

Referring to fig. 1-5, the miniaturized charger comprises a shell 1, wherein the shell 1 is provided with a direct current charging module 2, an alternating current/direct current (AC/DC) adapter 3, a hand crank 4, a voltage limiting controller 23 and a self-adapter 24 in a multi-column lamination mode, and an alternating current power input interface 5, a direct current power input interface 6, a solar power input interface 7 and a charging output interface 8 which are arranged in a linear mode and penetrate through the shell 1 are arranged in the shell 1.

The miniaturized charger also comprises a selection circuit module arranged in the shell 1, wherein the selection circuit module comprises three diodes which are arranged in parallel, the anodes of the three diodes are electrically connected with the AC/DC adapter 3, the direct current power input interface 6 and the self-adapter 24 in a one-to-one correspondence manner, the cathodes of the three diodes are electrically connected with the direct current charging module 2, and the module electrical connection is electrically connected with the charging output interface 8; the AC/DC adapter 3 is electrically connected with the voltage limiting controller 23 and the AC power input interface 5, the voltage limiting controller 23 is electrically connected with the hand crank 4, the solar power input interface 7 is electrically connected with the self-adapter 24, an automatic selection switch is formed by three diodes, by utilizing the unidirectional conduction principle of the diodes, after one of the AC power input interface 5, the DC power input interface 6 and the solar power input interface 7 is connected with corresponding power supply, voltage drop is formed between the positive pole and the negative pole of the diode communicated with the interface, the voltage of the negative pole of the other two diodes is higher than the voltage of the positive pole of the diode, so that the circuit where the two diodes which are not connected with the power supply are positioned is an open circuit and is not conducted, after the AC power input interface 5 is connected with the AC power supply, the voltage is converted into a stable 28V through the AC/DC adapter 3, meanwhile, the miniaturized charger enters a standby state, and the system automatically switches the power supply to the input end of the DC charging module 2, so that the battery pack connected to the charging output interface 8 can be charged, when the DC power supply is connected with the DC power supply input interface, the DC charger automatically enters the standby state, the miniaturized charger 2, and the system enters the standby state, the battery pack connected to the charging output interface 8 can be charged, when the solar power input interface 7 is connected with the solar power supply, the voltage is regulated through the self-adapter 24, the miniaturized charger enters a standby state, the system automatically switches the power supply to the input end of the direct current charging module 2, the battery pack connected to the charging output interface 8 can be charged, when the hand crank 4 is used for generating electricity, the hand crank handle of the hand crank 4 is directly rotated, the hand crank 4 outputs alternating voltage, voltage limiting protection is carried out through the voltage limiting controller 23, the voltage is prevented from being overlarge, when the lowest working rotating speed of the hand crank 4 is higher than 80 circles/min, the voltage is converted into stable 28V through the AC/DC adapter 3, meanwhile, the miniaturized charger enters the standby state, and the system automatically switches the power supply to the input end of the direct current charging module 2, and the battery pack connected to the charging output interface 8 can be charged.

In order to adapt to USB interface connection, the battery pack is further provided with a USB conversion module 25 arranged in the shell 1, cathodes of the three diodes are electrically connected with the USB conversion module 25, the USB conversion module 25 is electrically connected with a USB output interface penetrating through the inside and the outside of the shell 1, the battery pack is conveniently connected into the battery pack by adopting the USB interface through the design of the USB conversion module 25 and the USB output interface, and the battery pack is charged, so that the use scene of the miniature charger is enriched.

In order to conveniently select the output voltage of the USB conversion module 25 or the direct current charging module 2 according to the type of the battery pack, the direct current charging module 2 is electrically connected with a microcomputer control unit arranged in the shell 1, the microcomputer control unit is electrically connected with a man-machine interaction interface, the charging voltage of the battery pack is selected through keys on the man-machine interaction interface, and then the output voltages of the direct current charging module 2 and the USB conversion module 25 are controlled through the microcomputer control unit.

The electric elements, the USB conversion module 25, the control unit and the like in the miniaturized charger are all of the existing structure, the miniaturized charger is convenient to carry and can charge the battery pack by being connected with an alternating current power supply, a direct current power supply, a solar power supply and a hand-operated power generation mode by only forming the existing structure according to a certain arrangement mode, and a handle is arranged at the top of the shell 1, so that the miniaturized charger is convenient to carry.

In order to improve the stability of the hand crank 4 in the running process, the vibration feeling in the shell 1 is reduced; the inner wall of the shell 1 is provided with a mounting groove 9, the bottom of the hand crank 4 is embedded into the mounting groove 9 and then fixed through a multi-point positioning mechanism, the multi-point positioning mechanism comprises two symmetrically arranged positioning components, each positioning component comprises a locking structure for pressing and fixing the side wall of the hand crank 4 and a propping structure for supporting the bottom of the hand crank 4, and a transmission structure for controlling the supporting state of the propping structure to the bottom of the hand crank 4 by the adjusting power of the locking structure is arranged between the locking structure and the propping structure; the locking structure comprises a fixed lug 10 connected to the side wall of the hand crank 4 and an embedded groove formed in the side wall of a notch of the mounting groove 9, the fixed lug 10 is embedded in the embedded groove, two opposite arrangement grooves 11 are formed in the side wall of the embedded groove, pressing blocks 12 penetrating into the embedded groove are arranged in the two arrangement grooves 11 in a sliding mode, the two pressing blocks 12 are connected with the bottoms of the matched arrangement grooves 11 through reset springs, a detachable locking part is connected between the two pressing blocks 12, the fixed lug 10 is arranged in the embedded groove and then presses and fixes the two pressing blocks 12 through the detachable locking part, the detachable locking part comprises a locking column 14 connected to the top of one pressing block 12 and an elastic telescopic rod 13 rotatably connected to the top of the other pressing block 12, the free end of the elastic telescopic rod 13 is connected with a hanging ring 15, the hanging ring 15 is sleeved on the locking column 14 to fix the two pressing blocks 12, the jacking structure comprises an elastic telescopic ejector rod 16 arranged at the bottom of the mounting groove 9 and an elastic telescopic ejector rod 17 connected to the movable end of the elastic ejector rod 16, the two pressing blocks are arranged in the mounting groove 9, the two connecting grooves 18 are communicated with the side wall of the mounting groove 11, the installation cavity 18 is communicated with the inner bottom of the installation cavity 18 through the communicating holes 19 formed in the side wall of the installation groove 9, the transmission structure comprises winding rods 20 connected to the bottom of each pressing block 12, the two winding rods 20 move freely in the installation cavity 18, a traction coil 21 is sleeved between the two winding rods 20 in a sliding mode, a driving wire 22 is connected to the traction coil 21, the driving wire 22 penetrates through the communicating holes 19 and then is connected to the connecting block 17, when the hand crank 4 is installed, the hanging ring 15 is disconnected from the locking column 14, the two pressing blocks 12 in the same positioning assembly move away from each other, the bottoms of the hand crank 4 are embedded into the corresponding embedded grooves, the two pressing blocks 12 move towards each other after the fixed lugs 10 are embedded into the corresponding embedded grooves, the two pressing blocks 12 press and fix the fixed lugs 10, the hanging ring 15 to the locking column 14, when the two pressing blocks 12 move towards each other, the two winding rods 20 move towards each other, the hanging ring 15 and the locking column 14 are separated from each other, the two pressing blocks 22 move towards each other, the two pressing blocks 16 move towards each other, and the bottoms of the two pressing blocks 16 move towards each other, and the elastic connection rod 16 moves towards the bottom, and stretches towards each other, and stretches towards the bottom of the pulling rod, and stretches towards the pulling rod 16, and stretches towards each other.

In order to make the pressing block 12 better press and fix the fixing lug 10, the bottoms of the two pressing blocks 12 in the same positioning assembly are cambered surfaces on opposite sides, so that the two pressing blocks 12 can quickly press and fix the fixing lug 10 in the process of moving the two pressing blocks 12 in opposite directions.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims

1. A miniaturized charger, characterized in that it comprises a housing, wherein the housing is provided with a DC charging module, an AC/DC adapter, a hand crank, a voltage limiting controller and a self-adapter in a multi-column stacking manner, and an AC power input interface, a DC power input interface, a solar power input interface and a charging output interface are installed in the housing and are linearly arranged outside the housing;

The inner wall of the shell is provided with a mounting groove, and the bottom of the hand-crank machine is embedded in the mounting groove and fixed by a multi-point positioning mechanism. The multi-point positioning mechanism includes two symmetrically arranged positioning components, each positioning component includes a locking structure for pressing and fixing the side wall of the hand-crank machine and a top supporting structure for supporting the bottom of the hand-crank machine, and a transmission structure for controlling the supporting state of the top supporting structure on the bottom of the hand-crank machine by adjusting the power of the locking structure is provided between the locking structure and the top supporting structure;

The locking structure comprises a fixing ear connected to the side wall of the hand crank and an embedding groove provided on the side wall of the slot of the installation slot, the fixing ear is embedded in the embedding groove, two setting grooves are provided on the side wall of the embedding groove and are arranged opposite to each other, and a pressing block which is inserted into the embedding groove is slidably provided in the two setting grooves, the two pressing blocks are connected to the bottom of the matching setting groove through a return spring, and a detachable locking part is connected between the two pressing blocks; after the fixing ear is placed in the embedding groove, the two pressing blocks are pressed and fixed by the detachable locking part;

The detachable locking part includes a lock column connected to the top of one of the pressing blocks and an elastic telescopic rod rotatably connected to the top of the other pressing block, and a hanging ring is connected to the free end of the elastic telescopic rod; the hanging ring is sleeved on the lock column to fix the two pressing blocks;

The supporting structure includes an elastic telescopic top rod arranged at the bottom of the installation groove and a connecting block connected to the movable end of the elastic telescopic top rod. An installation cavity connected to the two installation grooves is opened in the side wall of the installation groove, and the installation cavity is connected to the bottom of the installation cavity through a connecting hole opened in the side wall of the installation groove; the transmission structure includes a winding rod connected to the bottom of each pressing block, and the two winding rods can move freely in the installation cavity. A traction coil is provided in a sliding sleeve between the two winding rods, and a driving wire is connected to the traction coil. The driving wire passes through the connecting hole and is connected to the connecting block.

2. A miniaturized charger according to claim 1, characterized in that: it also includes a selection circuit module arranged in the shell, the selection circuit module includes three diodes arranged in parallel, the positive poles of the three diodes are electrically connected to the AC/DC adapter, the DC power input interface and the self-adapter in a one-to-one correspondence, the negative poles of the three diodes are all electrically connected to the DC charging module, and the module is electrically connected to the charging output interface; the AC/DC adapter is electrically connected to the voltage limiting controller and the AC power input interface, the voltage limiting controller is electrically connected to the hand crank, and the solar power input interface is electrically connected to the self-adapter.

3. A miniaturized charger according to claim 2, characterized in that it also includes a USB conversion module arranged in the shell, the negative poles of the three diodes are also electrically connected to the USB conversion module, and the USB conversion module is electrically connected to a USB output interface penetrated inside and outside the shell.

4. A miniaturized charger according to claim 2, characterized in that: the DC charging module is electrically connected to a microcomputer control unit arranged in a shell, and the microcomputer control unit is electrically connected to a human-computer interaction interface; the output voltage of the DC charging module is controlled by operating the microcomputer control unit on the human-computer interaction interface.