CN110932361A

CN110932361A - A miniaturized charger

Info

Publication number: CN110932361A
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: 2020-03-27
Anticipated expiration: 2039-12-20
Also published as: CN110932361B

Abstract

The invention discloses a miniaturized charger, which comprises a shell, wherein the shell is provided with a direct current charging module, an AC/DC adapter, a hand-operated machine, a voltage limiting controller and a self-adapter in a multi-row stacking mode, and an alternating current power supply input interface, a direct current power supply input interface, a solar power supply input interface and a charging output interface which are arranged outside the shell in a linear mode in a penetrating mode are arranged in the shell; compared with the prior art, the direct current charging module, the AC/DC adapter, the hand-operated machine, the voltage limiting controller and the self-adapter are arranged in the shell in a multi-row stacking mode, and the alternating current power supply input interface, the direct current power supply input interface, the solar power supply input interface and the charging output interface are linearly arranged inside and outside the shell in a penetrating mode, so that the miniaturized charger is compact in structure, small in size and convenient 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

At present, the types of chargers are various, the most used and most widely used are alternating current chargers, and the chargers of the type use alternating current to provide alternating current for a working power supply, commercial power, an alternating current generator and the like. The other type of charger is a direct current charger which uses direct current as a working power supply and provides direct current for an automobile battery, a direct current generator and the like. In places without alternating current or direct current, the most practical chargers are hand-operated chargers, which use manpower as the working energy. The ac charger, the dc charger and the hand charger are generally independent, and occasionally, an ac-dc integrated charger is present.

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

Disclosure of Invention

The invention aims to provide a miniaturized charger aiming at overcoming the defects in the prior art, and aims 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 invention adopts the following technical scheme: the utility model provides a miniaturized machine that charges, includes the casing, the casing is provided with direct current module, AC/DC adapter, hand machine, voltage limiting controller and from the adapter of charging with the range upon range of mode of multiseriate, installs in the casing and wears to establish to be the linear alternating current power supply input interface, direct current power supply input interface, solar power supply input interface and the output interface that charges who arranges outside the casing.

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

according to the miniaturized charger, the direct-current charging module, the AC/DC adapter, the hand-operated machine, the voltage-limiting controller and the self-adapter are arranged in the shell in a multi-row stacking mode, and the alternating-current power supply input interface, the direct-current power supply input interface, the solar power supply input interface and the charging output interface are linearly arranged inside and outside the shell in a penetrating mode, so that the miniaturized 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 portion A of 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 taken along line C-C of FIG. 2;

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

Detailed Description

The present invention will be described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: the solar charging device comprises a shell 1, a direct current charging module 2, an AC/DC adapter 3, a hand-operated machine 4, an alternating current power supply input interface 5, a direct current power supply input interface 6, a solar power supply 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 locking 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 to 5: the utility model provides a miniaturized machine that charges, includes casing 1, casing 1 is provided with direct current charging module 2, AC/DC adapter 3, hand machine 4, voltage limiting controller 23 and from adapter 24 with the range upon range of mode of multiseriate, installs in casing 1 and wears to establish to casing 1 outer be linear arrangement's alternating current power supply input interface 5, direct current power supply input interface 6, solar power supply input interface 7 and the output interface 8 that charges.

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 DC power supply 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 DC charging module 2, and the modules are electrically connected with the charging output interface 8; the AC/DC adapter 3 is electrically connected with the voltage-limiting controller 23 and the alternating current power supply input interface 5, the voltage-limiting controller 23 is electrically connected with the hand-operated machine 4, and the solar power supply input interface 7 is electrically connected with the self-adapter 24; an automatic selection switch is formed by three secondary tubes, and by utilizing the one-way conduction principle of diodes, after one of an alternating current power supply input interface 5, a direct current power supply input interface 6 and a solar power supply input interface 7 is connected with a corresponding power supply, a voltage drop is formed between the anode and the cathode of the diode which is communicated with the interface, so that the voltage of the cathode of the other two diodes is higher than the voltage of the anode of the other two diodes, and the circuit where the two diodes which are not connected with the power supply are in an open circuit and are not conducted; after the alternating current power supply is connected to the alternating current power supply input interface 5, the voltage is converted into 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 direct current charging module 2, and then the battery pack connected to the charging output interface 8 can be charged; when the input interface of the current power supply is connected with the direct current power supply, the miniaturized charger enters a standby state and the system automatically switches the power supply to the input end of the direct current charging module 2, namely, a battery pack connected to the charging output interface 8 can be charged; when the solar power input interface 7 is connected with a solar power, after the voltage is regulated by the self-adapter 24, the miniaturized charger enters a standby state and the system automatically switches the power to the input end of the direct current charging module 2, namely, the battery pack connected to the charging output interface 8 can be charged; when using hand machine 4 to generate electricity, the hand handle of direct rotation hand machine 4 during the use, hand machine 4 output alternating voltage, carry out voltage limitation protection through voltage limiting controller 23, avoid voltage too big, when reaching the minimum operating speed of hand machine 4 and be greater than 80 circles/minute, back through AC/DC adapter 3 with voltage conversion for stable 28V, this miniaturized machine of charging gets into standby state and the automatic input that connects this power to direct current charging module 2 that connects of system simultaneously, can charge at the group battery that is connected to on the output interface 8 that charges.

In order to adapt to the connection of the USB interface, the LED light source further comprises a USB conversion module 25 arranged in the shell 1, the cathodes of the three diodes are electrically connected with the USB conversion module 25, and the USB conversion module 25 is electrically connected with a USB output interface penetrating through the shell 1; through the design of the USB conversion module 25 and the USB output interface, the USB interface is convenient to be adopted to access the battery pack to charge the battery pack; the use scenes of the miniaturized charger are enriched.

In order to select the output voltage of the USB conversion module 25 or the DC charging module 2 according to the type of the battery pack conveniently, wherein the DC charging module 2 is electrically connected with a microcomputer control unit arranged in the shell 1, and the microcomputer control unit is electrically connected with a human-computer interaction interface; the charging voltage of the battery pack is selected through keys on a 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 a microcomputer control unit.

The small charger only forms the existing structure into a charger which is convenient to carry and can charge the battery pack by connecting an alternating current power supply, a direct current power supply and a solar power supply and performing a hand-cranking power generation mode according to a certain arrangement mode; and the handle is arranged at the top of the shell 1, so that the carrying is convenient.

In order to improve the stability of the hand-operated machine 4 in the operation process, the vibration sense 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-operated machine 4 is embedded in the mounting groove 9 and then fixed through a multipoint positioning mechanism, the multipoint positioning mechanism comprises two positioning assemblies which are symmetrically arranged, each positioning assembly comprises a locking structure for pressing and fixing the side wall of the hand-operated machine 4 and a top bracing structure for supporting the bottom of the hand-operated machine 4, and a transmission structure for controlling the supporting state of the top bracing structure to the bottom of the hand-operated machine 4 by using the adjusting power of the locking structure is arranged between the locking structure and the top bracing structure; the locking structure comprises a fixed lug 10 connected to the side wall of the hand-operated machine 4 and an embedded groove formed in the side wall of the notch of the mounting groove 9, the fixed lug 10 is embedded in the embedded groove, two oppositely-arranged setting 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 setting grooves 11 in a sliding mode, the two pressing blocks 12 are connected with the bottoms of the matched setting grooves 11 through reset springs, and a detachable locking part is connected between the two pressing blocks 12; the fixed lug 10 is arranged in the embedding groove and then the two pressing blocks 12 are pressed and fixed through the detachable locking part; the detachable locking part comprises a locking column 14 connected to the top of one of the pressing blocks 12 and an elastic telescopic rod 13 rotatably connected to the top of the other pressing block 12, and the free end of the elastic telescopic rod 13 is connected with a hanging ring 15; the hanging ring 15 is sleeved on the lock column 14 to fix the two pressing blocks 12; the top bracing structure comprises an elastic telescopic ejector rod 16 arranged at the bottom of the mounting groove 9 and a connecting block 17 connected to the movable end of the elastic telescopic ejector rod 16, a mounting cavity 18 communicated with the two arrangement grooves 11 is formed in the side wall of the mounting groove 9, and the mounting cavity 18 is communicated with the bottom in the mounting cavity 18 through a communicating hole 19 formed in the side wall of the mounting 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 slidably sleeved between the two winding rods 20, a driving wire 22 is connected to the traction coil 21, and the driving wire 22 penetrates through the communication hole 19 and then is connected to the connecting block 17; when the hand shaking machine 4 is installed, the hanging ring 15 is disconnected with the lock column 14, so that two pressing blocks 12 in the same positioning assembly move away from each other, the bottom of the hand shaking machine 4 is embedded into the installation groove 9, the fixing lugs 10 connected to the hand shaking machine 4 are embedded into the corresponding embedding grooves, then the two pressing blocks 12 move in opposite directions, the two pressing blocks 12 press and fix the fixing lugs 10, the hanging ring 15 is sleeved on the lock column 14, and the two pressing blocks 12 are locked; when the two pressing blocks 12 move in opposite directions, the two winding rods 20 also move in opposite directions, so that the driving wire 22 moves towards the direction close to the connecting block 17, the elastic telescopic ejector rod 16 extends under the elastic action, the elastic telescopic ejector rod 16 is abutted against the bottom of the hand-operated machine 4, the hand-operated machine 4 is further fixed, and the stability of the hand-operated machine 4 is improved; when the two pressing blocks 12 move away from each other, the two winding rods 20 also move away from each other, so that the driving wire 22 moves in the direction away from the connecting block 17, the elastic telescopic ejector rod 16 contracts under the action of the pulling force of the driving wire 22, and the elastic telescopic ejector rod 16 is separated from and abutted against the bottom of the hand-operated machine 4.

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

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, 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 or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A miniaturized charger, characterized in that it comprises a casing, and the casing 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 the casing The AC power input interface, the DC power input interface, the solar power input interface and the charging output interface are installed in the body and are linearly arranged through the casing.

2 . The miniaturized charger according to claim 1 , further comprising a selection circuit module arranged in the casing, wherein the selection circuit module comprises three diodes arranged in parallel, and three secondary diodes are arranged in parallel. 3 . The positive pole of the tube is electrically connected to the AC/DC adapter, the DC power input interface and the self-adapter in one-to-one correspondence, and the negative poles of the three diodes are all electrically connected to the DC charging module, which is electrically connected to the charging output interface; the AC The DC adapter is electrically connected with the voltage limiting controller and the AC power input interface, the voltage limiting controller is electrically connected with the hand crank, and the solar power input interface is electrically connected with the self-adapter.

3. A miniaturized charger according to claim 2, characterized in that: further comprising a USB conversion module arranged in the casing, the negative electrodes of the three diodes are all electrically connected to the USB conversion module, and the USB conversion module Electrically connected with a USB output interface which is penetrated inside and outside the casing.

4. A miniaturized charger according to claim 2, characterized in that: the DC charging module is electrically connected with a microcomputer control unit disposed in the housing, and the microcomputer control unit is electrically connected to a human-machine interface; The operation on the interactive interface controls the output voltage of the DC charging module through the microcomputer control unit.

5. A miniaturized charger according to any one of claims 1-4, wherein a mounting groove is opened on the inner wall of the casing, and the bottom of the hand crank is embedded in the mounting groove and passes through the The multi-point positioning mechanism is fixed, and the multi-point positioning mechanism includes two positioning components arranged symmetrically. A transmission structure is arranged between the locking structure and the top support structure to control the supporting state of the bottom of the hand crank by the top support structure with the adjusting power of the locking structure.

6 . The miniaturized charger according to claim 5 , wherein the locking structure comprises a fixing lug connected to the side wall of the hand-cranked machine and a recessed hole opened on the side wall of the slot of the installation slot. 7 . A groove is set, the fixing ear is embedded in the embedded groove, and two setting grooves are arranged oppositely on the side wall of the embedded groove. The blocks are connected with the bottom of the matching setting groove through a reset spring, and a detachable locking part is connected between the two pressing blocks; after the fixing ears are placed in the embedded groove, the two pressing blocks are pressed and fixed by the detachable locking part.

7 . The miniaturized charger according to claim 6 , wherein the detachable locking part comprises a locking column connected to the top of one of the pressing blocks and an elastic retractable rotatably connected to the top of the other pressing block. 8 . The free end of the elastic telescopic rod is connected with a hanging ring; the hanging ring is sleeved on the lock post to fix the two pressing blocks.

8 . The miniaturized charger according to claim 6 , wherein the top support structure comprises 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. 9 . , the side wall of the installation groove is provided with an installation cavity that communicates with the two setting grooves, and the installation cavity is communicated with the bottom of the installation cavity through the communication hole opened in the side wall of the installation groove; the transmission structure includes a wire winding rod connected at the bottom of each pressing block The two winding rods are free to move in the installation cavity, a traction coil is slidably sleeved between the two winding rods, the traction coil is connected with a driving wire, and the driving wire is connected to the connecting block after passing through the communication hole.