CN215681039U

CN215681039U - Power adapter

Info

Publication number: CN215681039U
Application number: CN202122325155.0U
Authority: CN
Inventors: 邱白玮; 陈鑫
Original assignee: Dongguan Irice Electronics Development Co ltd
Current assignee: Dongguan Irice Electronics Development Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-01-28
Anticipated expiration: 2031-09-24

Abstract

The utility model provides a power adapter, which comprises a shell, a circuit board and a conductive contact piece, wherein the circuit board and the conductive contact piece are respectively arranged in the shell; the front panel of the shell is provided with a jack group; the back plate of the shell is provided with a pin set, the circuit board comprises an alternating current-to-direct current circuit, and the pin set is electrically connected with an alternating current input end and a conductive contact piece of the alternating current-to-direct current circuit respectively; the casing includes first terminal surface, first terminal surface is including first region and being located respectively a plurality of first conductive contact at the edge of first region, and is a plurality of first conductive contact respectively with exchange and change direct current circuit's direct current output electric connection, and by a plurality of first conductive contact forms the first direct current output interface that is used for waiting the electronic equipment that charges to charge. The utility model can realize the alternating current output while realizing the direct current output, and does not need a charging wire when charging the electronic equipment to be charged.

Description

Power adapter

Technical Field

The utility model relates to the field of electronic equipment, in particular to a power adapter.

Background

With the development of science and technology, the functions of various electronic products are increasingly powerful, and especially the functions of mobile devices such as smart phones are greatly improved. For example, except for the traditional communication function, people can not leave the smart phone in every aspect of daily life such as going out, shopping and payment. Bluetooth, WIFI, data network, watch the video, play recreation, various application etc. all need consume electric power, lead to smart mobile phone's electric quantity consumption very fast, need use power adapter to charge it.

The existing power adapter is an electronic device which performs voltage conversion by a stable power supply and necessary control circuits of constant current, voltage limitation, time limitation and the like. However, when the power adapter is used to charge the electronic device, the electronic device often needs to be connected to the power adapter through a charging wire, which not only causes troublesome connection operation, but also causes the power adapter to occupy an ac socket, thereby affecting the use of other electrical devices.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a novel power adapter aiming at the problems that the power adapter is complicated to connect equipment to be charged and occupies an alternating current socket.

The technical solution of the present invention for solving the above technical problems is to provide a power adapter, which includes a housing, a circuit board and a conductive contact, wherein the circuit board and the conductive contact are respectively installed in the housing;

the front panel of the shell is provided with at least one jack group, and the jack group and the conductive contact piece form an alternating current socket for supplying power to an alternating current plug; the back plate of the shell is provided with at least one pin group which is used for being plugged into an external alternating current socket, the circuit board comprises an alternating current-to-direct current circuit, and the pin group is electrically connected with an alternating current input end and a conductive contact piece of the alternating current-to-direct current circuit respectively;

the casing includes first terminal surface, first terminal surface is including first region and being located respectively a plurality of first conductive contact at the edge of first region, and is a plurality of first conductive contact respectively with exchange and change direct current circuit's direct current output electric connection, and by a plurality of first conductive contact forms the first direct current output interface that is used for waiting the electronic equipment that charges to charge.

As a further improvement of the present invention, the first region has a plurality of first magnets, each first magnet is located between two adjacent first conductive contacts, and the power adapter fixes the electronic device to be charged, which is electrically connected to the first dc output interface, by adsorption through the first magnet.

As a further improvement of the present invention, the first region is a rectangular region, the first end face includes four first conductive contacts and four first magnets, the four first conductive contacts are respectively adjacent to four vertices of the rectangular region, and the four first magnets are respectively adjacent to one side of the rectangular region.

As a further improvement of the present invention, the first region includes a plurality of bosses, each of the first conductive contacts is formed by a metal latch which is located in one of the bosses and is recessed in a top end of the boss, and a top end of the metal latch protrudes from the first end surface in a free state.

In a further improvement of the present invention, the shape of the outer wall of at least some of the plurality of bosses is different from the shape of the outer wall of the other bosses.

As a further improvement of the present invention, the first end surface includes a second region, the second region includes a patch jack, and a plurality of second conductive contacts electrically connected to the dc output end of the ac-dc converter circuit are disposed in the patch jack;

the power adapter includes at least one adapter, just the adapter is including pegging graft switching socket and with the second conductive contact electric connection's direct current input interface to and be used for with the electronic equipment electric connection's that treats charging direct current output connect, just direct current output connects for USB Type-C is public to be inserted, Lightning is public to be inserted or Micro USB is public to be inserted.

As a further improvement of the present invention, the power adapter includes a button located on a front panel of the housing, a clamping assembly and a pushing member are disposed in the housing, the adapter is clamped and fixed by the clamping assembly after being plugged into the adapter jack, and the pushing member pushes the clamping assembly to release the adapter under the driving of the button.

As a further improvement of the present invention, the first end face is located on a top plate of the housing, and the housing includes a second end face disposed opposite to the first end face;

the second end face comprises a third area and a plurality of third conductive contacts which are respectively positioned at the edge of the third area, the plurality of third conductive contacts are respectively and electrically connected with the direct current output end of the alternating current-to-direct current circuit of the circuit board, and a plurality of third conductive contacts form a second direct current output interface for charging the electronic equipment to be charged.

As a further improvement of the present invention, the third region has a plurality of second magnets, each second magnet is located between two adjacent third conductive contacts, and the power adapter fixes the electronic device to be charged, which is electrically connected to the second dc output interface, by adsorption through the second magnets.

As a further development of the utility model, the second end face comprises a fourth region, and the fourth region comprises one or more of the following direct current outlets: USB Type-C female seat, standard USB female seat, Lightning female seat or Micro USB female seat.

The utility model has the following beneficial effects: through providing the pin group at the backplate of casing, providing alternating current socket at the front panel of casing, providing first direct current output interface at the first terminal surface of casing, can realize alternating current output when realizing direct current output, and need not the charging wire and can charge for the electronic equipment who treats to charge.

Drawings

FIG. 1 is a schematic structural diagram of a power adapter according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a back side of a power adapter according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a first end face of a power adapter according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 5 is a schematic structural diagram illustrating a charging process of a mobile power supply by using a power adapter according to an embodiment of the utility model;

FIG. 6 is an exploded view of a power adapter according to an embodiment of the present invention;

FIG. 7 is an enlarged schematic view of the structure at B in FIG. 6;

fig. 8 is a schematic structural diagram of a second end face of the power adapter according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Fig. 1-6 are schematic structural diagrams of a power adapter according to an embodiment of the present invention, which can be plugged into an ac outlet and provide a dc charging voltage for an electronic device (e.g., a mobile power supply). The power adapter of the present embodiment includes a housing 10, a circuit board 21 and conductive contacts 22, and the circuit board 21 and the conductive contacts 22 are respectively installed in the housing 10.

The circuit board 21 is integrated with an ac-dc converter circuit, which includes an ac input terminal and a dc output terminal, and converts ac input from the ac input terminal into dc and outputs the dc via the dc output terminal. In addition, the circuit board 21 may further integrate a status detection circuit, a safety circuit, etc., and the circuit board and the integrated circuit thereof are well known in the art and will not be described herein.

The housing 10 may be made of plastic, metal, etc., and the housing 10 includes a front panel 11, a back panel 12, a first end surface 13, and a second end surface 14. Specifically, the housing 10 may have a rectangular parallelepiped shape as a whole, the first end surface 13 may be a top surface of the housing 10, and the second end surface 14 may be a bottom surface of the housing 10. The structure of the housing 10 itself is well known in the art and will not be described further herein.

In the present embodiment, the front panel 11 of the housing 10 has two jack sets 111, and each jack set 111 and the conductive contacts 22 in the housing 10 form an ac socket for supplying power to an ac plug (i.e. a plurality of pins of the ac plug are electrically connected to the conductive contacts 22 inside the jack sets after being inserted into the jack sets 111, respectively). The back plate 12 of the housing 10 has two pin groups 121 for plugging into an external ac outlet (i.e., the pin groups 121 constitute an ac plug that can be plugged into an ac outlet to achieve ac input), and the pin groups 121 are electrically connected to the ac input terminal of the ac to dc circuit on the circuit board 21 and the conductive contact pieces 22, respectively, to supply power to the ac to dc circuit and the conductive contact pieces 22. In practical applications, the number of the jack groups 111 and the pin groups 121 can be adjusted according to requirements, for example, for power adapters applied in China, one jack group 111 is disposed on the front panel, and one pin group 121 is disposed on the back panel.

The first end surface 13 of the housing 10 includes a first region 131 and a plurality of first conductive contacts 133 respectively located at an edge of the first region 131, and the plurality of first conductive contacts 133 are respectively electrically connected to a dc output terminal of the ac-to-dc converter circuit (a part of the first conductive contacts 133 are electrically connected to a positive electrode of the dc output terminal, and the other first conductive contacts are electrically connected to a negative electrode of the dc output terminal), and a first dc output interface for charging an electronic device to be charged is formed by the plurality of first conductive contacts 133.

In particular, as shown in fig. 5, the first dc output interface may be a portable power source 40 having a charging interface adapted to the first output interface (i.e. the charging interface is also composed of conductive contacts located on the same plane and corresponding to the positions of the conductive contacts). When charging, can directly paste the terminal surface that has the interface that charges on portable power source 40 directly with the first region 131 of power adapter's first terminal surface 13 mutually, and need not to use the charging wire to connect, greatly made things convenient for the operation of charging.

In the power adapter, the pin set 121 is provided on the back plate 12 of the housing 10, the ac socket is provided on the front panel 11 of the housing 10, and the first dc output interface is provided on the first end surface 13 of the housing 10, so that the dc output can be realized, the ac output can be realized, and the electronic device to be charged can be charged without a charging wire.

As shown in fig. 3, in an embodiment of the present invention, the first region 131 further includes a plurality of first magnets 134, each first magnet 134 is located between two adjacent first conductive contacts 133, and the power adapter fixes, by adsorption, the electronic device to be charged, which is electrically connected to the first dc output interface, through the first magnet 134, that is, an end surface of the electronic device to be charged, where the charging interface is located, also includes a magnet (or a manganese steel material), so that the two are fixed by adsorption. In addition, the first magnet 134 and the magnet (or manganese steel material) on the electronic device to be charged can fix the power adapter to the electronic device to be charged, and can assist in aligning the first conductive contact 133 with the corresponding conductive contact on the charging interface.

In an embodiment of the present invention, the first region 131 of the first end surface 13 is a rectangular region, and accordingly, the first end surface 13 includes four first conductive contacts 133 and four first magnets 134, the four first conductive contacts 133 are respectively located at four vertices of the rectangular region, and the four first magnets 134 are respectively located at one side of the rectangular region. Correspondingly, the end face of the electronic device to be charged, where the charging interface is located, is also rectangular, and the conductive contacts and the magnet (or manganese steel material) are also distributed in the same manner.

As shown in fig. 4, in an embodiment of the present invention, in order to improve the alignment accuracy between the first dc output interface and the charging interface of the electronic device to be charged, each corner of the first end surface 13 is respectively provided with a boss 136, the boss 136 is slightly larger than the first conductive contact 133, and the first conductive contact 133 is respectively formed by a metal latch located inside the boss 136 and recessed in a top end of the boss 136 (the top end of the metal latch protrudes from the first end surface 13 in a free state); correspondingly, each corner of the end surface of the electronic device to be charged, where the charging interface is located, is provided with a concave pit corresponding to the boss 136, and the conductive contact of the concave pit is formed by a metal elastic pin protruding out of the bottom of the concave pit (the top end of the metal elastic pin is lower than the end surface of the electronic device to be charged). When the first dc output interface is electrically connected to the charging interface, the first bosses 136 of the first end surface 13 are respectively embedded into the pits of the end surface of the electronic device to be charged, so as to prevent displacement and improve connection stability.

Moreover, in order to realize fool-proofing, the outer walls of the plurality of bosses 136 may have different shapes, for example, the outer wall of part of the bosses 136 is in a circular truncated cone shape, and the outer wall of part of the bosses 136 is in a truncated pyramid shape; correspondingly, the pits of the electronic equipment to be charged also adopt different shapes, for example, the inner wall surfaces of part of the pits are in a circular truncated cone shape, and the inner wall surfaces of part of the pits are in a frustum pyramid shape. Thus, the truncated cone-shaped boss 136 can only be embedded into the truncated cone-shaped recess, and the truncated pyramid-shaped boss 136 can only be embedded into the truncated pyramid-shaped recess, so as to avoid misconnection of the first conductive contact 114 and the corresponding conductive contact.

In an embodiment of the utility model, the first end surface 13 further includes a second region 132 in addition to the first region 131, the second region 132 is provided with a patch jack 135, and a plurality of second conductive contacts electrically connected to the dc output terminal of the ac-dc circuit are provided in the patch jack 135. Accordingly, the power adapter includes at least one adapter 30, and the adapter 30 includes a dc input interface plugged into the adapter port 135 and electrically connected to the second conductive contacts, and a dc output connector 31 for charging the electronic device to be charged. The dc output connector 31 may be a USB Type-C male plug, a Lightning male plug, or a Micro USB male plug, for example, the power adapter may include a plurality of adapters 30, and each of the adapters may have a USB Type-C male plug, a Lightning male plug, or a Micro USB male plug.

After the adapter 30 is inserted into the adapter jack 135, the dc output connector 31 protrudes from the first end surface 13, so that the charging interface of the electronic device waiting to be charged in the mobile phone can be directly plugged into the dc output connector 31 for charging, and the electronic device is also not required to be connected with a charging wire.

Specifically, the power adapter further includes a button 112 protruding from the front panel 11 of the housing 10, and accordingly, the housing 10 is provided with a clamping assembly 23 and a pushing member 25, the adapter 30 is clamped and fixed by the clamping assembly 23 after being plugged into the adapter jack 135, and the pushing member 25 pushes the clamping assembly 23 to release the adapter 30 under the driving of the button 112, so as to facilitate the removal of the adapter 30 from the adapter jack 135.

Specifically, the clamping assembly 23 includes two clamping blocks 231 and two elastic members 232, wherein the elastic members 232 may be springs. The two clamping blocks 231 are respectively located on both sides of the adapter 30 after being inserted into the patch jack 135 (i.e., on both sides of the connection line between the second conductive contact and the patch jack 30), and clamp the adapter 30 under the urging of the elastic force of the two elastic members 232. The pushing member 25 is located at one side of the two clamping blocks 231, and pushes the two clamping blocks 231 to move towards the two sides against the elastic force of the elastic member 232, so as to release the adapter 30. In particular, to facilitate insertion of the adapter 30, the tops of the inner sides of the two clamping blocks 231 may be respectively provided with chamfers (the bottom of the adapter 30 may be provided with corresponding chamfers); likewise, to facilitate pushing the two clamping blocks 231 to release the adapter 30, the inner sides of the two clamping blocks 231 may have a chamfer toward the front panel 11 (the side of the pushing member 25 toward the clamping blocks 231 may be provided with a corresponding chamfer).

In one embodiment of the present invention, the first end face 13 is located at the top plate of the housing 10, and the housing 10 further includes a second end face 14 disposed opposite to the first end face 13, i.e., the second end face 14 is located at the bottom plate of the housing 10.

Similarly to the first end surface 13, the second end surface 14 includes a third region 141 and a plurality of third conductive contacts 143 respectively located at an edge of the third region 141, and the plurality of third conductive contacts 143 are respectively electrically connected to the dc output terminal of the ac-dc converter circuit of the circuit board 21, and a second dc output interface for charging an electronic device to be charged (for example, a mobile power supply) is formed by the plurality of third conductive contacts 143. In addition, in the third area 141 of the second end face 14, there is one second magnet 144 between every two adjacent third conductive contacts 143, and the power adapter adsorbs and fixedly connects to the electronic device to be charged of the second dc output interface through the second magnet 144. The third conductive contact 143 and the second magnet 144 of the third region 141 may have the same structure as the first conductive contact 133 and the first magnet 134 of the first region 131, respectively, and thus, the description thereof is omitted.

In addition, the second end surface 14 may further include a fourth region 142, and the fourth region 142 includes one or more of the following dc outlets 145: USB Type-C female seat, standard USB female seat, Lightning female seat or Micro USB female seat. Through direct current output port 145, power adapter accessible charging wire is the electronic equipment that waits to charge of different grade type.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A power adapter is characterized by comprising a shell, a circuit board and a conductive contact piece, wherein the circuit board and the conductive contact piece are respectively arranged in the shell;

2. The power adapter as claimed in claim 1, wherein the first region has a plurality of first magnets, each first magnet is located between two adjacent first conductive contacts, and the power adapter fixes the electronic device to be charged, which is electrically connected to the first dc output interface, by the first magnets.

3. The power adapter as claimed in claim 2, wherein the first region is a rectangular region, the first end face comprises four first conductive contacts and four first magnets, the four first conductive contacts are respectively adjacent to four vertices of the rectangular region, and the four first magnets are respectively adjacent to one side of the rectangular region.

4. The power adapter as claimed in any one of claims 1-3, wherein said first region comprises a plurality of bosses, each of said first conductive contacts is formed by a metal latch pin disposed in one of said bosses and recessed from a top end of said boss, and a top end of said metal latch pin protrudes from said first end surface in a free state.

5. The power adapter as claimed in claim 4, wherein the shape of the outer wall of at least some of the plurality of bosses is different from the shape of the outer wall of the other bosses.

6. A power adapter as claimed in any one of claims 1 to 3, wherein the first end face comprises a second region, the second region comprising a transfer socket, and wherein a plurality of second electrically conductive contacts are provided within the transfer socket for electrically connecting to the dc output of the ac-to-dc circuit;

7. The power adapter as claimed in claim 6, wherein the power adapter includes a button on a front panel of the housing, a clamping assembly and a pushing member are disposed in the housing, the adapter is clamped and fixed by the clamping assembly after being plugged into the adapter socket, and the pushing member pushes the clamping assembly to release the adapter under the actuation of the button.

8. The power adapter as claimed in any one of claims 1-3, wherein the first end face is located on a top plate of the housing, the housing including a second end face disposed opposite the first end face;

9. The power adapter as claimed in claim 8, wherein the third region has a plurality of second magnets, each second magnet is located between two adjacent third conductive contacts, and the power adapter fixes the electronic device to be charged, which is electrically connected to the second dc output interface, by the second magnets.

10. The power adapter as described in claim 9, wherein the second end face comprises a fourth region, and the fourth region comprises one or more of the following dc outlets: USB Type-C female seat, standard USB female seat, Lightning female seat or Micro USB female seat.