CN215956068U - Desktop charger - Google Patents

Abstract

The utility model provides a desktop charger, which is connected with a power line and comprises a shell, an inner support, an alternating current socket assembly and a direct current power supply assembly, wherein the inner support is arranged in the shell; the shell is sleeved outside the inner support, a separation plate is arranged in the inner support, the separation plate divides an inner cavity of the inner support into a first cavity and a second cavity, the first cavity is close to the power circuit, the alternating current socket assembly is arranged in the first cavity, and the direct current power supply assembly is arranged in the second cavity; an alternating current socket is arranged on the shell corresponding to the alternating current socket component, and a direct current power supply socket is arranged on the shell corresponding to the direct current power supply component. The alternating current socket assembly of the desktop charger is integrally isolated from the direct current power supply assembly, circuit interference is avoided, the influence of the temperature generated by the direct current power supply assembly on the alternating current socket assembly can be isolated, and the charging power of a circuit is increased.

Description

Desktop charger

Technical Field

The utility model relates to the technical field of chargers, in particular to a desktop charger.

Background

In daily life, with the variety of electronic devices becoming more and more abundant, more and more electronic devices are commonly used by people, such as mobile phones, ipads, notebook computers and the like, and the electronic devices all need to be charged frequently. When a plurality of devices need to be charged simultaneously, especially when some devices need to be used while charging, the situation that the number of charging interfaces is insufficient often happens. The number of charging interfaces is increased by adopting extension socket or desktop charging so as to support simultaneous charging of a plurality of devices.

However, most of the existing extension sockets or desktop chargers are designed to be of a long strip shape, and metal jacks are added in the length direction in order to support multiple devices to be used simultaneously. Meanwhile, in order to enable the device to support direct current output, a USB-A or USB-C interface is added to the socket, so that the length of the socket is increased. Such designs often suffer from the following problems: the extension socket is too long in overall length, large in occupied space, inconvenient to place and carry in use; the row inserts the interior space overall arrangement unreasonablely, and AD, DC delivery outlet arrange unreasonablely, have the condition that influences the heat dissipation function, can not bear the fever that big charging power brought, can lead to charging power to reduce at last.

SUMMERY OF THE UTILITY MODEL

In view of the above, in order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a desktop charger capable of increasing line charging power.

Specifically, the desktop charger is connected with a power line and comprises a shell, an inner support, an alternating current socket assembly and a direct current power supply assembly; the shell is sleeved outside the inner support, a separation plate is arranged in the inner support, the separation plate divides an inner cavity of the inner support into a first cavity and a second cavity, the first cavity is close to the power circuit, the alternating current socket assembly is arranged in the first cavity, and the direct current power supply assembly is arranged in the second cavity; and an alternating current socket is arranged on the shell corresponding to the alternating current socket component, and a direct current power supply socket is arranged on the shell corresponding to the direct current power supply component. The alternating current socket assembly of the desktop charger is integrally isolated from the direct current power supply assembly, so that circuit interference is avoided.

A clamping groove is formed in the second cavity, and the direct-current power supply assembly is fixed to the clamping groove. Preferably, the second cavity is filled with heat-conducting colloid. The heat dissipation is conducted through the heat-conducting glue, and the heat dissipation effect can be improved. In addition, the effect of improving the fixing effect of the first circuit board and the clamping groove can be achieved.

The direct current power supply assembly comprises a first circuit board and a second circuit board, the first circuit board is fixed on the clamping groove, and the first circuit board and the second circuit board are perpendicular to each other. The internal space that can make full use of desktop charger compresses the shared space of electronic components for the internal layout of desktop charger is compacter, and then realizes reducing the length of desktop charger, reduces the volume of desktop charger, makes desktop charger portable.

Specifically, the DC power supply assembly further includes an AC-DC conversion circuit assembly mounted on the first circuit board and a DC power supply interface assembly mounted on the second circuit board; or, the DC power supply interface component is mounted on the first circuit board, and the AC-DC conversion circuit component is mounted on the second circuit board.

The connection of the power line with the ac socket assembly and the dc socket assembly inside the desktop charger may be: the power line penetrates through the alternating current socket assembly and is electrically connected with the input end of the AC-DC conversion circuit assembly, and the output end of the AC-DC conversion circuit is electrically connected with the direct current power supply interface assembly.

In some embodiments, the isolation board is provided with a wiring through hole, the power line is divided into two groups of power transmission lines connected in parallel, one group of power transmission lines is electrically connected with the ac socket assembly, and the other group of power transmission lines passes through the wiring through hole and is electrically connected with the dc power supply assembly. The two groups of parallel transmission lines are respectively connected with the alternating current socket assembly and the direct current power supply assembly, so that the alternating current socket assembly and the direct current power supply assembly can work in parallel and do not interfere with each other, and when one module breaks down, the normal use of the other module cannot be influenced.

In order to facilitate the assembly of the internal structure of the desktop charger, the inner support comprises a main body and a sealing cover, and the sealing cover is detachably connected with the main body. And arranging the electronic component of the alternating current socket assembly in the first cavity, and then buckling and sealing the sealing cover and the main body to finish the assembly of the alternating current socket assembly.

The direct current power supply socket is arranged on the surface opposite to the power line connecting end; or the direct current power supply socket is arranged on the surface adjacent to the power line connecting end. Preferably, alternating current socket and DC supply socket set up respectively on the different faces of desktop charger, and partial plug occupation space is big and influence the condition that other plugs used when reducing the use to improve the utilization ratio of socket.

The direct current power supply socket comprises a USB interface and a type-c interface.

The desktop charger provided by the utility model has the following beneficial effects: keep apart AC socket subassembly and DC supply subassembly through interior support, can keep apart the temperature that DC supply subassembly produced and avoid producing the influence to AC socket subassembly, increase the charging power of circuit. Furthermore, the second cavity of the inner support is filled with heat conducting colloid for conducting heat dissipation, so that the heat dissipation effect can be improved. The heat-conducting colloid can also play the role of improving the fixing effect between the first circuit board and the clamping groove. Preferably, the circuit boards of the AC-DC conversion circuit assembly and the DC power supply interface assembly in the DC power supply assembly are vertically designed, so that the layout of electronic components is compact, the occupied space of the electronic components is reduced, and the size of the desktop charger is reduced so as to be convenient to carry.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of the desktop charger of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the desktop charger of the present invention;

fig. 3 is a schematic view of another angle of the internal structure of the desktop charger of the present invention.

Reference numerals:

1-a shell; 11-an alternating current socket; 12-a dc supply socket; 21-an ac outlet assembly; 211-a conductive spring; 22-a dc supply assembly; 221-an AC-DC conversion circuit component; 222-a dc power supply interface component; 3-inner support; 31-a body; 32-sealing cover; 33-a separator plate; 41-card slot; 42-terminal through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a desktop charger, which comprises an alternating current socket assembly and a direct current power supply assembly, wherein an internal structure is arranged in the desktop charger to isolate the alternating current socket assembly from the direct current power supply assembly so as to isolate the influence of the temperature generated by the direct current power supply assembly on the alternating current socket assembly and increase the charging power; meanwhile, the layout structure of electronic components inside the desktop charger is changed, and the size of the desktop charger is reduced.

Specifically, referring to the attached drawing 1 in the specification, the desktop charger includes a housing 1, and an ac socket assembly 21, a dc power supply assembly 22 and an inner holder 3 which are arranged in the housing 1, the housing 1 is sleeved outside the inner holder 3, a partition plate 33 is arranged in the inner holder 3, the partition plate 33 divides an inner cavity of the inner holder 3 into a first cavity and a second cavity, and the first cavity is close to a power line. Alternating current socket assembly 21 sets up in first cavity, and direct current supply assembly 22 sets up in the second cavity, and alternating current socket assembly 21 and direct current supply assembly 22 are whole to be kept apart, avoid producing circuit interference.

The shell 1 is provided with a plurality of sockets, including an alternating current socket 11 corresponding to the alternating current socket component 21 and a direct current supply socket 12 corresponding to the direct current supply component, and the inner support 3 is correspondingly provided with an opening corresponding to the socket. The dc power supply jack 12 may be a USB interface, a type-c interface, or the like. In this embodiment, the ac jack 11 is a five-hole socket, and the dc power jack 12 is two USB-a interfaces and two USB-C interfaces.

Referring to fig. 2 and 3, the ac outlet assembly 21 includes a conductive elastic piece 211 disposed according to the position of the ac outlet 11, the conductive elastic piece 211 is disposed in an accommodating space formed on the first cavity, and each ac outlet 11 is correspondingly disposed with two contact pieces, and the two contact pieces are disposed oppositely. The two contact pieces have elasticity, the conductive elastic piece 211 at the position corresponding to each jack forms one-side connection of the two contact pieces, and the rest ends are free ends. The conductive elastic piece 211 is a free end in the direction toward the ac jack 11, and the two contact pieces can be relatively opened and closed, and a gap is formed when the two contact pieces are opened for inserting the pins of the plug. The surfaces of the two contact pieces opposite to each other are planes and are used for forming surface contact with the pin, so that the contact area between the pin and the contact pieces can be ensured to be enough, the resistance is smaller, and the heat productivity is further reduced. In addition, the surface contact between the pin and the contact pieces can well fix the pin and is not easy to fall off, and the specific elasticity of the two contact pieces enables the pin to be inserted and pulled smoothly. The number of the conductive elastic pieces 211 can be multiple groups, the multiple groups of conductive elastic pieces 211 are electrically connected, or the multiple groups of conductive elastic pieces 211 form an integrated structure.

A clamping groove 41 is formed in the second cavity, and the direct current supply assembly 22 is fixed on the clamping groove 41. The dc power supply assembly includes a first circuit board fixed to the card slot 41 and a second circuit board disposed perpendicular to the first circuit board. Further, fix first circuit board and use the encapsulating technology to pour into the heat conduction colloid in the second cavity after on draw-in groove 41, heat conduction colloid and circuit board fully combine, carry out conduction heat dissipation through heat conduction glue, can promote the radiating effect. In addition, the effect of improving the fixing effect of the first circuit board and the clamping groove can be achieved. The circuit board is taken as a whole, so that the installation is more convenient.

The DC power supply assembly 22 further includes an AC-DC conversion circuit assembly 221 and a DC power supply interface assembly 222, where the AC-DC conversion circuit assembly 221 is mounted on a first circuit board, and the DC power supply interface assembly 222 is mounted on a second circuit board; alternatively, the DC power interface module 222 may be mounted on the first circuit board and the AC-DC converter circuit module 221 may be mounted on the second circuit board. In this embodiment, the first circuit board and the second circuit board are both PCBA boards. The power line is electrically connected to an input terminal of the AC-DC conversion circuit module 221, and an output terminal of the AC-DC conversion circuit module 221 is electrically connected to the DC power supply interface module 222. The AC-DC conversion circuit module 221 and the DC power supply interface module 222 are vertically arranged to fully utilize the internal space of the desktop charger and compress the space occupied by the electronic components, so that the internal layout of the desktop charger is more compact, the length of the desktop charger is reduced, the size of the desktop charger is reduced, and the desktop charger is convenient to carry.

The AC-DC conversion circuit module 221 includes a transformer, a voltage, a capacitor, and the like, and is capable of converting an input AC power into a DC power and outputting the DC power, and the AC-DC conversion circuit module 221 is plugged into a circuit board. The specific structure of the AC-DC conversion circuit module 221 can refer to the prior art, and is not described in detail in this embodiment. The direct current supply assembly 22 and the alternating current socket assembly 21 are respectively arranged in the first cavity and the second cavity, so that the influence of the temperature generated by the direct current supply assembly 22 on the alternating current socket assembly 21 can be isolated, and the charging power of a line is increased.

The partition plate 33 between the first cavity and the second cavity is provided with a wiring through hole 42, and a group of power lines can pass through the AC socket assembly 21 and then pass through the wiring through hole 42 to be electrically connected with the input end of the AC-DC conversion circuit assembly 221. In a specific embodiment, the power line is divided into two groups of power lines connected in parallel after entering the desktop charger, one group of power lines is electrically connected with the ac socket assembly 21, and the other group of power lines directly passes through the wiring through hole 42 and is electrically connected with the dc power supply assembly 22, so that the ac socket assembly 21 and the dc power supply assembly 22 can work in parallel without mutual interference, and when one module fails, the normal use of the other module is not affected. Preferably, the AC-DC conversion circuit assembly 221 is disposed in the second cavity at a position close to the first cavity so that the power line is connected to the input terminal of the AC-DC conversion circuit assembly 221.

In order to facilitate the assembly of the internal structure of the desktop charger, the inner holder 3 is designed to include a main body 31 and a cover 32 detachably connected to the main body 31, and the cover 32 is fastened to the main body 31 after the electronic components are arranged in the main body 31. In the present embodiment, the main body 31 forms a first cavity for accommodating the ac socket assembly 21 and a second cavity for accommodating the dc power supply assembly 22, the electronic components of the ac socket assembly 21 are disposed in the first cavity, and then the cover 32 is fastened and closed with the main body 31 to complete the assembly of the ac socket assembly 21. The cover 32 can be connected to the main body 31 in various ways, including but not limited to, the cover 32 is connected to the main body 31 by a stud, and the cover 21 is engaged with the main body 21.

The second cavity is provided with an opening, after the electronic components are arranged and assembled on the circuit board, the electronic components are inserted into the second cavity through the opening, and the first circuit board is inserted into the clamping groove 41 and fixed. The direction of the card slot 41 may be parallel to the plane of the ac jack 11, so that the first circuit board is parallel to the plane of the ac jack 11; the direction of the card slot 41 may be perpendicular to the plane of the ac jack 11, so that the first circuit board is perpendicular to the plane of the ac jack 11. The position of the opening corresponds to the orientation of the locking groove 41, and may be provided on any surface of the second cavity except for the side where the partition plate 33 is located. The power supply line end is the one end of being connected with power supply line on the desktop charger, and DC supply socket 12 sets up on casing 1 and on the face relative with power supply line link, or, set up on the face adjacent with power supply line link on with the casing, and the distance of DC supply socket 12 and power supply line link is greater than the distance of exchanging socket 11 and power supply line link. Preferably, alternating current socket 11 and DC supply socket 12 set up respectively on the different faces of desktop charger, reduce when using that partial plug occupation space is big and influence the condition that other plugs used to improve the utilization ratio of socket.

When the desktop charger is placed in the orientation as shown in fig. 1, in this embodiment, the power line is connected to the desktop charger from the right side of the desktop charger, i.e. the power line connection end is located on the right side of the housing 1, the AC socket is arranged on the upper surface of the desktop charger, the card slot 41 is arranged parallel to the upper surface, the opening on the second cavity is arranged at the end opposite to the right side, and accordingly, the dc power supply socket 12 is arranged on the left side of the housing. In some embodiments, the card slot 41 is disposed perpendicular to the upper surface, and the dc power supply outlet 12 is disposed on the upper surface or the lower surface of the housing.

In summary, the present invention provides a desktop charger that isolates an ac socket assembly from a dc power supply assembly through an inner holder, which can isolate the temperature generated by the dc power supply assembly to avoid affecting the ac socket assembly and increase the charging power of the line. Furthermore, the second cavity of the inner support is filled with heat conducting colloid for conducting heat dissipation, so that the heat dissipation effect can be improved. The heat-conducting colloid can also play a role in enabling the connection between the first circuit board and the clamping groove to be more stable. Preferably, the circuit boards of the AC-DC conversion circuit assembly and the DC power supply interface assembly in the DC power supply assembly are vertically designed, so that the layout of electronic components is compact, the occupied space of the electronic components is reduced, and the size of the desktop charger is reduced so as to be convenient to carry.

The above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and various modifications other than the above-mentioned embodiments may be made, and the technical features of the above-mentioned embodiments may be combined with each other, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A desktop charger is connected with a power line and is characterized by comprising a shell, an inner support, an alternating current socket assembly and a direct current power supply assembly;

the shell is sleeved outside the inner support, a separation plate is arranged in the inner support, the separation plate divides an inner cavity of the inner support into a first cavity and a second cavity, the first cavity is close to the power circuit, the alternating current socket assembly is arranged in the first cavity, and the direct current power supply assembly is arranged in the second cavity;

and an alternating current socket is arranged on the shell corresponding to the alternating current socket component, and a direct current power supply socket is arranged on the shell corresponding to the direct current power supply component.

2. The desktop charger as claimed in claim 1, wherein a slot is disposed on the second cavity, and the dc power supply assembly is fixed on the slot.

3. The desktop charger of claim 2, wherein the dc power supply assembly comprises a first circuit board and a second circuit board, the first circuit board is fixed on the card slot, and the first circuit board and the second circuit board are perpendicular to each other.

4. The desktop charger of claim 3, wherein the DC power supply assembly further comprises an AC-DC conversion circuit assembly mounted on the first circuit board and a DC power supply interface assembly mounted on the second circuit board;

or, the DC power supply interface component is mounted on the first circuit board, and the AC-DC conversion circuit component is mounted on the second circuit board.

5. The desktop charger of claim 1, wherein the second cavity is filled with a thermally conductive gel.

6. The desktop charger of claim 4, wherein the power line passes through the AC outlet assembly and is electrically connected to an input of the AC-DC conversion circuit assembly, and an output of the AC-DC conversion circuit is electrically connected to the DC power interface assembly.

7. The desktop charger according to claim 5, wherein the isolation board is provided with a wiring through hole, the power line is divided into two groups of power lines connected in parallel, one group of power lines is electrically connected with the AC socket assembly, and the other group of power lines passes through the wiring through hole and is electrically connected with the DC power supply assembly.

8. The desktop charger of claim 1, wherein the inner holder comprises a main body and a cover, the cover being removably coupled to the main body.

9. The desktop charger of claim 1, wherein the dc power supply jack is disposed on a face opposite the power line connection terminal;

or the direct current power supply socket is arranged on the surface adjacent to the power line connecting end.

10. The desktop charger of claim 1, wherein the dc power socket comprises a USB interface, a type-c interface.

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