CN219228144U - Power converter - Google Patents

Abstract

The application provides a power converter, including first circuit board, second circuit board, third circuit board and fourth circuit board, first circuit board is used for switching in the power, and second circuit board and third circuit board set up on first circuit board, and the fourth circuit board sets up in the top of first circuit board, and the one end that first circuit board was kept away from to second circuit board and third circuit board is connected in fourth circuit board, is connected with at least one output connector on the fourth circuit board. The power converter has the advantages of small volume and low manufacturing cost.

Description

Power converter

Technical Field

The application relates to the technical field of power strip, in particular to a power converter.

Background

The power strip is a charging device for charging electronic devices, and is widely applied to daily production.

In order to enable the socket to charge common electronic equipment and intelligent terminal equipment, a USB interface and/or a PD interface are arranged on the basis of the traditional national standard five-hole socket, so that the application range of the socket is wider.

In the process of designing and implementing the present application, the inventors found that at least the following problems exist: because the USB interface is installed on the traditional socket, the main circuit board for inductance and boosting, the EM I circuit board for avoiding radiation interference, the feedback circuit board for stabilizing voltage and the DC circuit board for outputting voltage are at least newly added in the socket, and the USB interface and/or the PD interface are connected to the DC circuit board, so that the volume of the socket is increased, and the requirements of people on the size and shape of the socket are not met.

The foregoing description is provided for general background information and does not necessarily constitute prior art.

Disclosure of Invention

The purpose of the present application is to provide a power converter, which has small volume and low manufacturing cost.

In order to solve the technical problem, the application provides a power converter, including first circuit board, second circuit board, third circuit board and fourth circuit board, first circuit board is used for switching in the power, and second circuit board and third circuit board setting (preferably, set up relatively) are on first circuit board, and the fourth circuit board sets up in the top of first circuit board, and the one end that first circuit board was kept away from to second circuit board and third circuit board is connected in fourth circuit board, is connected with at least one output connector on the fourth circuit board.

Optionally, the first circuit board is provided with at least one first jack, and an end portion of the second circuit board, which is far away from the fourth circuit board, is provided with at least one first plugboard, and the first plugboard is installed in the first jack, and optionally, the second circuit board is connected (e.g. electrically connected) with the first circuit board.

Optionally, at least one second plugging hole is formed in the fourth circuit board, at least one second plugboard is arranged at the end, away from the first circuit board, of the second circuit board, and the second plugboard is installed in the second plugging hole.

Optionally, the first circuit board is provided with at least one third jack, and an end portion of the third circuit board, which is far away from the fourth circuit board, is provided with at least one third plugboard, and the third plugboard is installed in the third jack, and optionally, the third circuit board is connected (e.g. electrically connected) with the first circuit board.

Optionally, at least one fourth jack is disposed on the fourth circuit board, at least one fourth plugboard is disposed at an end of the third circuit board, which is far away from the first circuit board, and the fourth plugboard is mounted in the fourth jack, and optionally, the fourth circuit board is connected (e.g. electrically connected) with the third circuit board.

Optionally, the first circuit board, the second circuit board, the third circuit board and the fourth circuit board enclose to form a cavity, at least two first electrical appliances are connected to the first circuit board, at least two second electrical appliances are connected to the second circuit board (such as electrical connection), at least two third electrical appliances are connected to the third circuit board (such as electrical connection), at least two fourth electrical appliances are connected to the fourth circuit board (such as electrical connection), at least two first electrical appliances, at least two second electrical appliances and at least two third electrical appliances are located in the cavity, and at least two fourth electrical appliances and the output connector are located outside the cavity.

Optionally, the first electrical appliance comprises a PFC inductor, an electrolytic capacitor, a transformer, and a VCC capacitor.

Optionally, the second electrical appliance comprises an inductance and a capacitance.

Optionally, the third electrical appliance comprises a photo coupler and an ammo-silicon capacitor.

Optionally, the fourth electrical appliance comprises at least one power inductor and/or at least one solid state capacitor.

Optionally, at least two output connectors are connected (e.g. electrically connected) on the fourth circuit board, and the at least two output connectors include at least two PD connectors and at least one USB connector.

Optionally, the power converter further includes a socket main body, where the socket main body is disposed on one side of the first circuit board, the socket main body is connected (e.g. electrically connected) with the first circuit board, and at least one group of socket holes are disposed on the socket main body.

Optionally, the power converter further includes a cable, one end of the cable is connected (e.g. electrically connected) to the power strip main body, and the other end of the cable is provided with a plug connected to a power supply.

The power converter of this application stacks the combination with first circuit board, second circuit board, third circuit board and fourth circuit board and forms the tetrahedron structure, can effectively improve the utilization ratio of converter inner space, can further reduce the converter volume, has reduced manufacturing cost, can satisfy the user requirement. And the first circuit board is spaced apart from the fourth circuit board, so that the mutual influence of heating devices (such as chips) on the first circuit board and the fourth circuit board can be avoided, and the performance of the converter is more stable.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification, so that the foregoing and other objects, features and advantages of the present application can be more clearly understood, and the following detailed description of the preferred embodiments will be given with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of a partial structure of a power converter according to an embodiment of the present application;

fig. 2 is a schematic diagram of a split structure of the power converter shown in fig. 1.

The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings. Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises the element, and alternatively, elements having the same name in different embodiments of the present application may have the same meaning or may have different meanings, a particular meaning of which is to be determined by its interpretation in this particular embodiment or further in connection with the context of this particular embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context. Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or," "and/or," "including at least one of," and the like, as used herein, may be construed as inclusive, or meaning any one or any combination. For example, "including at least one of: A. b, C "means" any one of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; a and B and C ", again as examples," A, B or C "or" A, B and/or C "means" any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; a and B and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrase "if determined" or "if detected (stated condition or event)" may be interpreted as "when determined" or "in response to determination" or "when detected (stated condition or event)" or "in response to detection (stated condition or event), depending on the context.

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present application, and are not of specific significance per se. Thus, "module," "component," or "unit" may be used in combination.

Fig. 1 is a schematic partial structure diagram of a power converter according to an embodiment of the present application, fig. 2 is a schematic split structure diagram of the power converter shown in fig. 1, and as shown in fig. 1 and 2, the power converter includes a first circuit board 11, a second circuit board 12, a third circuit board 13 and a fourth circuit board 14, the first circuit board 11 is used for accessing power, the second circuit board 12 and the third circuit board 13 are disposed (preferably, oppositely disposed) on the first circuit board 11, the fourth circuit board 14 is disposed above the first circuit board 11, one ends of the second circuit board 12 and the third circuit board 13 far away from the first circuit board 11 are connected to the fourth circuit board 14, and at least one output connector 141 is connected to the fourth circuit board 14. In this embodiment, the first circuit board 11, the second circuit board 12, the third circuit board 13 and the fourth circuit board 14 are all PCB boards, wherein the first circuit board 11 is a main circuit board, the second circuit board 12 is an EM I circuit board, the third circuit board 13 is a feedback circuit board, and the fourth circuit board 14 is a DC circuit board.

The power converter of the application stacks and combines the first circuit board 11, the second circuit board 12, the third circuit board 13 and the fourth circuit board 14 to form a tetrahedron structure, so that the utilization rate of the internal space of the converter can be effectively improved, the size of the converter can be further reduced, the manufacturing cost is reduced, and the user requirements can be met. And the first circuit board 11 is spaced from the fourth circuit board 14, so that the mutual influence of heating devices (such as chips) on the first circuit board 11 and the fourth circuit board 14 can be avoided, and the performance of the converter is more stable.

Optionally, at least one first jack 301 is disposed on the first circuit board 11, at least one first plugboard 121 is disposed at an end of the second circuit board 12 away from the fourth circuit board 14, the first plugboard 121 is mounted in the first jack 301, and the second circuit board 12 is connected (e.g. electrically connected) to the first circuit board 11. In this embodiment, two first jack holes 301 are formed in the first circuit board 11, two first plugboards 121 are formed at the end of the second circuit board 12, and the two first plugboards 121 are respectively mounted in the two first jack holes 301.

Optionally, at least one first bonding pad (not shown) is disposed on a side of the first circuit board 11 near the second circuit board 12, at least one second bonding pad (not shown) corresponding to the first bonding pad is disposed on the second circuit board 12, and at least one first bonding pad and at least one second bonding pad are connected through soldering tin.

Optionally, the fourth circuit board 14 is provided with at least one second plugging hole 302, and an end of the second circuit board 12 away from the first circuit board 11 is provided with at least one second plugboard 122, and the second plugboard 122 is installed in the second plugging hole 302. In the present embodiment, the fourth circuit board 14 is provided with a second socket 302, and the end of the second circuit board 12 is provided with a second board 122.

Optionally, at least one third jack 303 is disposed on the first circuit board 11, at least one third plugboard 131 is disposed at an end of the third circuit board 13 away from the fourth circuit board 14, the third plugboard 131 is mounted in the third jack 303, and the third circuit board 13 is connected (e.g. electrically connected) to the first circuit board 11. In the present embodiment, two third plugging holes 303 are formed on the first circuit board 11, two third plugging plates 131 are formed at the end of the third circuit board 13, and the two third plugging plates 131 are respectively installed in the two third plugging holes 303.

Optionally, at least one third bonding pad (not shown) is disposed on a side of the first circuit board 11 near the third circuit board 13, at least one fourth bonding pad (not shown) corresponding to the third bonding pad is disposed on the third circuit board 13, and at least one third bonding pad and at least one fourth bonding pad are connected through soldering tin.

Optionally, at least one fourth jack 304 is disposed on the fourth circuit board 14, at least one fourth plugboard 132 is disposed at an end portion of the third circuit board 13 away from the first circuit board 11, the fourth plugboard 132 is mounted in the fourth jack 304, and the fourth circuit board 14 is connected (e.g. electrically connected) with the third circuit board 13. In the present embodiment, two fourth jack holes 304 are formed in the fourth circuit board 14, two fourth plugboards 132 are formed at the end of the third circuit board 13, and the two fourth plugboards 132 are respectively mounted in the two fourth jack holes 304.

Optionally, at least one fifth bonding pad (not shown) is disposed on a side, close to the fourth circuit board 14, of the third circuit board 13, at least one sixth bonding pad (not shown) corresponding to the fifth bonding pad is disposed on the fourth circuit board 14, and at least one fifth bonding pad and at least one sixth bonding pad are connected through soldering tin.

Alternatively, the first circuit board 11 and the fourth circuit board 14 are disposed parallel to each other, the second circuit board 12 and the third circuit board 13 are disposed parallel to each other, and the second circuit board 12 and the third circuit board 13 are perpendicular to the first circuit board 11 and the fourth circuit board 14.

Optionally, the first circuit board 11, the second circuit board 12, the third circuit board 13 and the fourth circuit board 14 enclose a cavity 305, at least two first electrical appliances 112 are connected (e.g. electrically connected) to the first circuit board 11, at least two second electrical appliances 123 are connected (e.g. electrically connected) to the second circuit board 12, at least two third electrical appliances 133 are connected (e.g. electrically connected) to the third circuit board 13, at least two fourth electrical appliances 142 are connected (e.g. electrically connected) to the fourth circuit board 14, at least two first electrical appliances 112, at least two second electrical appliances 123 and at least two third electrical appliances 133 are located in the cavity 305, and at least two fourth electrical appliances 142 and the output connector 141 are located outside the cavity 305. In the present embodiment, at least two first electric appliances 112 on the first circuit board 11 operate to realize an inductance and a boost function; at least two second appliances 123 on the second circuit board 12 operate to reduce radiation interference; at least two third electric appliances 133 on the third circuit board 13 operate to stabilize the output voltage; the fourth appliance 142 on the fourth circuit board 14 is used to enable charging of the electronic device.

Optionally, the at least two first electrical appliances 112, the at least two second electrical appliances 123, and the at least two third electrical appliances 133 are disposed in a staggered manner, so that the space in the cavity 305 can be fully utilized.

Optionally, the at least two first appliances 112 include PFC inductors, electrolytic capacitors, transformers, and VCC capacitors; the at least two second appliances 123 include an inductance and a capacitance; the at least two third electrical appliances 133 comprise a photo coupler and an ammo-silicon capacitor; the at least two fourth appliances 142 comprise at least one power inductor and/or at least one solid state capacitor.

Optionally, the first circuit board 11 adopts GaN technology to manufacture a circuit, which reduces the internal resistance of conduction and further improves the conversion efficiency, and the maximum output power can reach 120W.

Optionally, at least one output connector 141 is connected (e.g. electrically connected) to the fourth circuit board 14, and the at least one output connector 141 is at least two PD connectors and at least one USB connector, respectively. In this embodiment, the fourth circuit board 14 is connected (e.g. electrically connected) with three PD connectors and one USB connector, so as to meet the requirement of charging different electronic devices simultaneously.

Optionally, the power converter further includes a socket main body 15, where the socket main body 15 is disposed on one side of the first circuit board 11, the socket main body 15 is connected (e.g. electrically connected) to the first circuit board 11, at least one group of socket holes 306 are disposed on the socket main body 15, the socket holes 306 are American standard socket holes 306, and the socket holes 306 can be in butt joint with plugs to supply power to other devices. In this embodiment, two sets of socket holes 306 are disposed on the power strip main body 15, and the two sets of socket holes 306 are respectively located at opposite ends of the power strip main body 15.

Optionally, the power converter further includes a cable (not shown), one end of the cable is connected (e.g. electrically connected) to the power strip main body 15, and the other end of the cable is provided with a plug for connecting to a power source.

Optionally, the power converter further includes an encapsulation compound (not shown) filled in the cavity 305 to cover the at least one first electrical appliance 112, the at least one second electrical appliance 123, and the at least one third electrical appliance 133, so that the converter achieves better heat dissipation effect and temperature balance.

Optionally, the power converter further includes a housing (not shown), a mounting cavity is disposed in the housing, at least one interface communicating with the mounting cavity is disposed on the housing, the first circuit board 11, the second circuit board 12, the third circuit board 13, the fourth circuit board 14 and the socket main body 15 are mounted in the mounting cavity, wherein the first circuit board 11 is fixed at the bottom of the mounting cavity, and the output connector 141 is disposed corresponding to the interface.

According to the power converter, the first circuit board, the second circuit board, the third circuit board and the fourth circuit board are stacked and combined to form the tetrahedron structure, so that the utilization rate of the internal space of the converter can be effectively improved, the size of the converter can be further reduced, the manufacturing cost is reduced, and the user requirements can be met. And the first circuit board is spaced apart from the fourth circuit board, so that the mutual influence of heating devices (such as chips) on the first circuit board and the fourth circuit board can be avoided, and the performance of the converter is more stable.

It can be understood that the above scenario is merely an example, and does not constitute a limitation on the application scenario of the technical solution provided in the embodiments of the present application, and the technical solution of the present application may also be applied to other scenarios. For example, as one of ordinary skill in the art can know, with the evolution of the system architecture and the appearance of new service scenarios, the technical solutions provided in the embodiments of the present application are equally applicable to similar technical problems.

The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments.

The units in the device of the embodiment of the application can be combined, divided and pruned according to actual needs.

In this application, the same or similar term concept, technical solution, and/or application scenario description will generally be described in detail only when first appearing, and when repeated later, for brevity, will not generally be repeated, and when understanding the content of the technical solution of the present application, etc., reference may be made to the previous related detailed description thereof for the same or similar term concept, technical solution, and/or application scenario description, etc., which are not described in detail later.

In this application, the descriptions of the embodiments are focused on, and the details or descriptions of one embodiment may be found in the related descriptions of other embodiments.

The technical features of the technical solutions of the present application may be arbitrarily combined, and for brevity of description, all possible combinations of the technical features in the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the present application.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a power converter, its characterized in that includes first circuit board, second circuit board, third circuit board and fourth circuit board, first circuit board is used for switching in the power, the second circuit board with the third circuit board sets up on the first circuit board, the fourth circuit board set up in the top of first circuit board, the second circuit board with the third circuit board is kept away from the one end of first circuit board connect in the fourth circuit board, be connected with at least one output connector on the fourth circuit board.

2. The power converter as claimed in claim 1, wherein the first circuit board is provided with at least one first socket, and the end of the second circuit board remote from the fourth circuit board is provided with at least one first plug board, and the first plug board is mounted in the first socket.

3. The power converter as claimed in claim 2, wherein the fourth circuit board is provided with at least one second socket, and an end of the second circuit board remote from the first circuit board is provided with at least one second plug board, and the second plug board is mounted in the second socket.

4. A power converter according to any one of claims 1 to 3, wherein the first circuit board is provided with at least one third socket, and an end of the third circuit board remote from the fourth circuit board is provided with at least one third socket, the third socket being mounted in the third socket.

5. The power converter as claimed in claim 4, wherein the fourth circuit board has at least one fourth socket, and an end of the third circuit board remote from the first circuit board has at least one fourth board mounted in the fourth socket.

6. A power converter according to any one of claims 1 to 3, wherein the first circuit board, the second circuit board, the third circuit board and the fourth circuit board enclose a cavity, at least two first electrical appliances are connected to the first circuit board, at least two second electrical appliances are connected to the second circuit board, at least two third electrical appliances are connected to the third circuit board, at least two fourth electrical appliances are connected to the fourth circuit board, at least two first electrical appliances, at least two second electrical appliances and at least two third electrical appliances are located in the cavity, and at least two fourth electrical appliances and the output connector are located outside the cavity.

7. The power converter of claim 6, comprising at least one of:

the first electrical appliance comprises a PFC inductor, an electrolytic capacitor, a transformer and a VCC capacitor;

the second electrical appliance comprises an inductor and a capacitor;

the third electrical appliance comprises a photoelectric coupler and an ammonia silicon capacitor;

the fourth appliance comprises at least one power inductor and/or at least one solid state capacitor.

8. A power converter as claimed in any one of claims 1 to 3, wherein at least two of said output connectors are connected to said fourth circuit board, at least two of said output connectors comprising at least two PD connectors and at least one USB connector.

9. A power converter according to any one of claims 1 to 3, further comprising a strip body disposed on one side of the first circuit board, the strip body having at least one set of socket holes.

10. The power converter of claim 9, further comprising a cable, one end of the cable being connected to the strip body, the other end of the cable being provided with a plug for connecting to a power source.

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