CN104795867B - Multiplex roles portable power source - Google Patents

Abstract

The multi-interface mobile power supply includes a housing, a battery, a circuit board with a control circuit, a first power supply conversion socket interface module, a second power supply conversion socket interface module, a first power supply plug module and a charging interface; the battery, the circuit board , the first power supply conversion socket interface module, the second power supply conversion socket interface module, the first power supply plug module and the charging interface are all installed in the housing, the first power supply conversion socket interface module, the second power supply conversion socket interface module The group and the first power supply plug module are electrically connected to each other, the first power supply plug module is electrically connected to the control circuit, and the battery and the charging interface are respectively electrically connected to the control circuit; the control circuit is used to transfer the power from the first power supply plug module The electric energy charges the battery or supplies power to the charging interface, and supplies power to the first power supply conversion socket interface module and the second power supply conversion socket interface module. The invention integrates the functions of the universal socket and the mobile power supply, and is convenient for users traveling abroad or on business trips. The utility model has a compact structure and a small volume, and is very convenient to carry and use.

Description

Multi-interface mobile power

technical field

The invention relates to a multi-interface mobile power supply.

Background technique

Mobile power, also known as power bank, is a portable charger that integrates power supply and charging. It can charge mobile phones and other digital devices anytime, anywhere or standby power. Generally, lithium batteries or dry batteries are used as power storage units, which are convenient and fast to use.

Existing mobile power sources generally include a charging interface and a power supply interface, the power supply interface is used to connect AC power through an adapter, the charging interface is used to connect digital devices, and the plug of the adapter is generally a common two-flat pin plug. Or travel users often need to buy a universal conversion socket, which is not only inconvenient to carry, but also inconvenient to use; in addition, powering the mobile power supply through the universal conversion socket and adapter will cause energy loss in the intermediate link, which is not conducive to energy saving.

In addition, the conductive terminals of multiple interfaces of the existing universal conversion socket are individually welded on the circuit board, which is cumbersome to manufacture, large in size, and the more solder joints, the greater the loss of the socket when it is used, and the lower the safety.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention aims to provide a multi-interface mobile power supply that can solve the above-mentioned technical problems.

To achieve the above object, the present invention adopts the following technical solutions:

A multi-interface mobile power supply, which includes a housing, a battery, a circuit board with a control circuit, a first power supply conversion socket interface module, a second power supply conversion socket interface module, a first power supply plug module, and a charging interface;

The battery, the circuit board, the first power supply conversion socket interface module, the second power supply conversion socket interface module, the first power supply plug module and the charging interface are all installed in the casing, the first power supply conversion socket interface module, the second power supply The conversion socket interface module and the first power supply plug module are electrically connected to each other, the first power supply plug module is electrically connected to the control circuit, the battery and the charging interface are respectively electrically connected to the control circuit; The power of the plug module charges the battery or supplies power to the charging interface, and supplies power to the first power conversion socket interface module and the second power conversion socket interface module; the control circuit is also used to supply the battery power to the charging interface.

Preferably, the first power supply conversion socket interface module includes a first conductive terminal, the second power supply conversion socket interface module includes a second conductive terminal, and the first power supply plug module includes a conductive member;

The first conductive terminal includes a first connecting piece and two first contact pieces, the first connecting piece extends vertically, and the two first contact pieces extend laterally from two opposite ends of the first connecting piece respectively, the first connecting piece has a first assembly through hole;

The second conductive terminal includes a second connecting piece and a second contact piece, the second contact piece extends horizontally from the lower end of the second connecting piece and then extends vertically downward, and the second connecting piece is provided with a second assembly through hole;

The conductive part includes a third connecting piece and a third contact piece, a third assembly through hole is opened at the lower end of the third connecting piece, and the third contact piece is arranged at the upper end of the third connecting piece;

A fastener passes through the first assembling through hole, the second assembling through hole and the third assembling through hole to attach and connect the first connecting piece, the second connecting piece and the third connecting piece from left to right.

Preferably, the first power conversion socket interface module also includes a first wedge-shaped stopper and a first return spring; a first charging interface through hole is opened on the housing; the upper end of the first return spring is installed on the lower end of the first wedge-shaped stopper , the lower end of the first return spring is installed on the bottom wall of the housing. When the first return spring is in a natural state, the first wedge-shaped stopper is located between the first contact piece of the first conductive terminal and the through hole of the first charging interface of the housing. Between, the slope surface of the first wedge-shaped block faces the through hole of the first power supply interface.

Preferably, the second power conversion socket interface module also includes a second wedge-shaped stopper and a second return spring; a second charging interface through hole is opened on the housing; the left end of the second return spring is installed on the right end of the second wedge-shaped stopper , the right end of the second return spring is installed on the side wall of the housing. When the second return spring is in a natural state, the second wedge-shaped stopper is located between the second contact piece of the second conductive terminal and the through hole of the second charging interface of the housing. Between, the slope surface of the second wedge-shaped stopper faces the through hole of the second charging interface.

Preferably, the first power supply plug module further includes a first power supply plug pivotally connected to the housing. When the first power supply plug is rotated to open, the first power supply plug is electrically connected to the third contact piece, and the first power supply plug is rotated to close. , the first power supply plug is disconnected from the third contact piece.

Preferably, the multi-interface mobile power supply also includes a second power supply plug module electrically connected to the control circuit, the second power supply plug module includes a second power supply plug, and a fourth contact piece is provided on the third connecting piece of the conductive member. The two power supply plugs are pivotally connected to the housing. When the second power supply plug is rotated to open the head, the second power supply plug is electrically connected to the fourth contact piece. When the second power supply plug is rotated and closed, the second power supply plug is disconnected from the fourth contact piece. slice connection.

Preferably, the housing includes a first shell and a second shell that are interlocked, and the first shell and the second shell form a receiving space, and the battery, the circuit board, the first power conversion socket interface module, and the second power conversion socket The interface module, the first power supply plug module and the charging interface are all accommodated in the accommodation space.

Preferably, the housing includes a positioning plate, one surface of the positioning plate is provided with a battery limiting portion for limiting the battery, the battery is located between the positioning plate and the circuit board; the other surface of the positioning plate is provided with a positioning protrusion, The third connecting piece of the conductive element is provided with a positioning through hole, and the positioning protrusion is inserted into the positioning through hole, so that the conductive element is fixed on the positioning plate.

Preferably, two opposite side walls of the casing are respectively provided with a groove for accommodating fingers.

Preferably, a distance of 4 millimeters is provided between the second conductive terminal of the second power conversion socket interface module and the battery.

The beneficial effects of the present invention are at least as follows:

1. The first power supply plug module, the first power supply conversion socket interface module and the second power supply conversion socket interface module form an interface conversion structure, which realizes the conversion of different power supply interface standards, and the first power supply plug module, the control circuit , the battery and the charging interface module form the mobile power function, so that the universal socket function and the mobile power function are integrated into one, which is convenient for users who travel abroad or on business trips. The structure is compact and the volume is small, which is very convenient to carry and use.

2. The present invention can realize the electrical connection between the first conductive terminal, the second conductive terminal and the conductive parts only through a rivet or screw, the assembly is simple and quick, and the solder joints are reduced, making electricity use safer and more reliable, saving energy consumption .

3. The present invention uses a wedge-shaped stopper and a return spring to shield the through-hole of the interface, which acts as a protective door for the socket, and prevents children's fingers or other slender conductive objects from being inserted into the interface by mistake and causing electric shock.

Description of drawings

Fig. 1 is a perspective view of a preferred embodiment of the multi-interface mobile power supply of the present invention.

FIG. 2 is a perspective view of another view of the multi-interface mobile power supply of FIG. 1 .

FIG. 3 is a cross-sectional view of the multi-interface mobile power supply of FIG. 1 .

FIG. 4 is a perspective view of the multi-interface mobile power supply of FIG. 1 with the shell removed.

FIG. 5 is a perspective view of another view of the multi-interface mobile power supply of FIG. 1 with the shell removed.

FIG. 6 is a connection structure diagram of the first conductive terminal, the second conductive terminal and the conductive member of the multi-interface mobile power supply of FIG. 1 .

detailed description

Below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described:

Please refer to Fig. 1 to Fig. 6, the present invention relates to a kind of multi-interface mobile power supply, and its preferred embodiment comprises casing, battery 40, the circuit board 20 that is arranged with control circuit, the first power supply conversion socket interface module, the second The power supply conversion socket interface module, the first power supply plug module and the charging interface.

The battery 40, the circuit board 20, the first power supply conversion socket interface module, the second power supply conversion socket interface module, the first power supply plug module and the charging interface are all installed in the housing. The two power supply conversion socket interface modules and the first power supply plug module are electrically connected to each other, the first power supply plug module is electrically connected to the control circuit, and the battery 40 and the charging interface are respectively electrically connected to the control circuit; The electric energy of the first power supply plug module charges the battery 40 or supplies power to the charging interface, and supplies power to the first power supply conversion socket interface module and the second power supply conversion socket interface module; Supply charging interface.

In this way, the first power supply plug module, the first power supply conversion socket interface module and the second power supply conversion socket interface module form an interface conversion structure, which realizes the conversion of different power supply interface standards, and the first power supply plug module, control circuit, The battery and the charging interface module form the mobile power function, so that the universal socket function and the mobile power function are integrated into one.

Referring to FIG. 6 , in this embodiment, the first power supply conversion socket interface module includes a first conductive terminal 60 , the second power supply conversion socket interface module includes a second conductive terminal 50 , and the first power supply plug module includes a conductive member 13 .

The first conductive terminal 60 includes a first connecting piece 62 and two first contact pieces 61, the first connecting piece 62 extends vertically, and the two first contact pieces 61 extend laterally from two opposite ends of the first connecting piece 62 respectively, The first connecting piece 62 is provided with a first assembly through hole;

The second conductive terminal 50 includes a second connection piece 52 and a second contact piece 51. The second contact piece 51 extends horizontally from the lower end of the second connection piece 52 and then extends vertically downward. The second connection piece 52 is provided with a first Two assembly through holes;

The conductive member 13 includes a third connecting piece 131 and a third contact piece 133, the lower end of the third connecting piece 131 has a third assembly through hole, and the third contact piece 133 is arranged on the upper end of the third connecting piece 131;

A fastener passes through the first assembly through hole, the second assembly through hole and the third assembly through hole to fit and connect the first connecting piece 62, the second connecting piece 52 and the third connecting piece 131 from left to right In this way, the mutual electrical connection between the first conductive terminal 60, the second conductive terminal 50 and the conductive member 13 can be realized only by a fastener such as a rivet or a screw, the assembly is simple and quick, and the power consumption is safer and more reliable. Save energy.

Referring to Fig. 3, the first power supply conversion socket interface module also includes a first wedge-shaped block 31 and a first return spring (not shown); the first charging interface through hole 121 is provided on the housing; the upper end of the first return spring is installed At the lower end of the first wedge-shaped stopper 31, the lower end of the first return spring is installed on the bottom wall of the housing. When the first return spring is in a natural state, the first wedge-shaped stopper 31 is located at the first contact of the first conductive terminal 60. Between the sheet 61 and the first power supply interface through hole 121 of the casing, the slope surface of the first wedge-shaped stopper 31 faces the first charging interface through hole 121 . In this way, when the peripheral plug is inserted into the first charging interface through hole 121, the prongs push against the first wedge-shaped stopper 31, so that the first wedge-shaped stopper 31 presses against the first return spring and moves downward, thereby making the external plug The pins are electrically connected to the first conductive terminal 60; and when the peripheral plug is pulled out, the first wedge-shaped stopper 31 moves upwards and rebounds under the action of the first return spring, blocking the through hole 121 of the first power supply interface. The design is conducive to improving the safety of use.

Referring to Fig. 3, the second power conversion socket interface module also includes a second wedge-shaped block 32 and a second return spring (not shown); the second charging interface through hole 113 is provided on the housing; the left end of the second return spring is installed At the right end of the second wedge-shaped stop 32, the right end of the second return spring is installed on the side wall of the housing. When the second return spring is in a natural state, the second wedge-shaped stop 32 is located at the second contact of the second conductive terminal 50. Between the sheet 51 and the second charging interface through hole 113 of the housing, the slope of the second wedge-shaped block 32 faces the second charging interface through hole 113 .

The casing includes a first shell 11 and a second shell 12 that are interlocked, and the first shell 11 and the second shell 12 form a receiving space, the battery 40, the circuit board 20, the first power supply conversion socket interface module, the second The power supply conversion socket interface module, the first power supply plug module and the charging interface are all accommodated in the accommodation space.

Referring to FIGS. 4 and 5 , the housing also includes a positioning plate 15 , one surface of the positioning plate 15 is provided with a battery limiting portion 151 for limiting the battery 40 , and the battery 40 is located between the positioning plate 15 and the circuit board 40 ; The other surface of the positioning plate 15 is provided with a positioning protrusion 153, the third connecting piece 131 of the conductive member 13 is provided with a positioning through hole 1314, and the positioning protrusion 153 is inserted into the positioning through hole, so that the conductive member 13 is fixed on the positioning plate 15 On, so as to facilitate assembly, reduce solder joints, and save energy consumption.

In this embodiment, the first power supply plug module further includes a first power supply plug 812 that is pivotally connected to the casing. When the first power supply plug 812 is closed, the first power supply plug 812 is disconnected from the third contact piece 133 .

In this embodiment, the multi-interface mobile power supply also includes a second power supply plug module electrically connected to the control circuit, the second power supply plug module includes a second power supply plug 91, and the third connecting piece 131 of the conductive member 13 is also provided with The fourth contact piece 134 and the second power supply plug 91 are pivotally connected to the housing. When the second power supply plug 91 is rotated to open, the second power supply plug 91 is electrically connected to the fourth contact piece 134. When the second power supply plug 91 is rotated and closed , the second power supply plug 91 is disconnected from the fourth contact piece 134 .

Preferably, the charging interface is a USB interface 86 mounted on the circuit board 40 .

Preferably, the battery 40 is a lithium polymer battery.

Preferably, the first power supply conversion socket interface module is used for a three-pin plug, and the second power supply conversion socket interface module is used for a two-pin plug.

Preferably, a distance of 4 millimeters is provided between the second conductive terminal 50 of the second power supply conversion socket interface module and the battery 40, so that there is no need to set a plastic baffle between the second conductive terminal 50 and the battery 40, and it can also Ensure safety and eliminate potential safety hazards of arcing.

Preferably, two opposite side walls of the casing are respectively provided with a groove 116 for accommodating fingers, so as to facilitate the user to pull out the device.

In this embodiment, the control circuit integrates a charge and discharge management chip, overcharge, overload, overvoltage, undervoltage and other protection circuits, which are known from the prior art and will not be described in detail. The control circuit also integrates buttons and indicator lights .

The "electrical connection" involved in the present invention refers to the transmission of electrical signals between components, and is not limited to direct physical connections. For example, it can be indirectly connected through wires, or indirectly connected through other components such as resistors and capacitors. , can also be directly connected by solder or cartridge.

The "first", "second", etc. involved in the present invention are only used to distinguish different parts, not to distinguish the order.

For those skilled in the art, various other corresponding changes and modifications can be made according to the technical solutions and ideas described above, and all these changes and modifications should fall within the protection scope of the claims of the present invention.

Claims (8)

1. A multi-interface mobile power supply, characterized in that: it includes a housing, a battery, a circuit board with a control circuit, a first power supply conversion socket interface module, a second power supply conversion socket interface module, and a first power supply plug Module and charging interface; The battery, the circuit board, the first power supply conversion socket interface module, the second power supply conversion socket interface module, the first power supply plug module and the charging interface are all installed in the casing, the first power supply conversion socket interface module, the second power supply The conversion socket interface module and the first power supply plug module are electrically connected to each other, the first power supply plug module is electrically connected to the control circuit, the battery and the charging interface are respectively electrically connected to the control circuit; The electric energy of the plug module charges the battery or supplies power to the charging interface, and supplies power to the first power supply conversion socket interface module and the second power supply conversion socket interface module; the control circuit is also used to supply the electric energy of the battery to the charging interface; The first power supply conversion socket interface module includes a first conductive terminal, the second power supply conversion socket interface module includes a second conductive terminal, and the first power supply plug module includes a conductive member; The first conductive terminal includes a first connecting piece and two first contact pieces, the first connecting piece extends vertically, and the two first contact pieces extend laterally from two opposite ends of the first connecting piece respectively, the first connecting piece has a first assembly through hole; The second conductive terminal includes a second connecting piece and a second contact piece, the second contact piece extends horizontally from the lower end of the second connecting piece and then extends vertically downward, and the second connecting piece is provided with a second assembly through hole; The conductive part includes a third connecting piece and a third contact piece, a third assembly through hole is opened at the lower end of the third connecting piece, and the third contact piece is arranged at the upper end of the third connecting piece; A fastener passes through the first assembling through hole, the second assembling through hole and the third assembling through hole, so as to attach and connect the first connecting piece, the second connecting piece and the third connecting piece from left to right; Two opposite side walls of the casing are respectively provided with a groove for accommodating fingers. 2. The multi-interface mobile power supply according to claim 1, characterized in that: the first power supply conversion socket interface module also includes a first wedge-shaped stopper and a first return spring; a first charging interface through hole is opened on the housing; The upper end of the first return spring is installed on the lower end of the first wedge-shaped stopper, and the lower end of the first return spring is installed on the bottom wall of the housing. When the first return spring is in a natural state, the first wedge-shaped stopper is located at the first conductive terminal. Between the first contact piece of the housing and the through hole of the first charging interface, the slope of the first wedge-shaped stopper faces the through hole of the first power supply interface. 3. The multi-interface mobile power supply according to claim 1, characterized in that: the second power supply conversion socket interface module also includes a second wedge-shaped stopper and a second return spring; a second charging interface through hole is opened on the housing; The left end of the second return spring is installed on the right end of the second wedge-shaped stopper, and the right end of the second return spring is installed on the side wall of the housing. When the second return spring is in a natural state, the second wedge-shaped stopper is located at the second conductive terminal. Between the second contact piece of the housing and the through hole of the second charging interface, the slope of the second wedge-shaped stopper faces the through hole of the second charging interface. 4. The multi-interface mobile power supply according to claim 1, characterized in that: the first power supply plug module further comprises a first power supply plug pivotally connected to the casing, when the first power supply plug is rotated open, the first power supply plug The third contact piece is electrically connected, and when the first power supply plug is rotated and closed, the first power supply plug is disconnected from the third contact piece. 5. The multi-interface mobile power supply according to any one of claims 1 to 4, characterized in that: the multi-interface mobile power supply also includes a second power supply plug module electrically connected to the control circuit, the second power supply plug module includes The second power supply plug has a fourth contact piece on the third connecting piece of the conductive part. The second power supply plug is pivotally connected to the housing. When the second power supply plug rotates to open the head, the second power supply plug is electrically connected to the fourth contact piece. When the second power supply plug is rotated and closed, the second power supply plug is disconnected from the fourth contact piece. 6. The multi-interface mobile power supply according to claim 1, characterized in that: the casing includes a first shell and a second shell that are fastened together, the first shell and the second shell form a storage space, and the battery, the circuit board , the first power supply conversion socket interface module, the second power supply conversion socket interface module, the first power supply plug module and the charging interface are all accommodated in the accommodation space. 7. The multi-interface mobile power supply according to claim 6, characterized in that: the housing includes a positioning plate, a surface of the positioning plate is provided with a battery limiting portion for limiting the battery, and the battery is located between the positioning plate and the circuit board. Between; the other surface of the positioning plate is provided with a positioning protrusion, the third connecting piece of the conductive element is provided with a positioning through hole, and the positioning protrusion is inserted into the positioning through hole, so that the conductive element is fixed on the positioning plate. 8 . The multi-interface mobile power supply according to claim 1 , wherein a distance of 4 millimeters is set between the second conductive terminal of the second power conversion socket interface module and the battery.