A DC power supply adapter and power supply equipment

By designing a DC power supply adapter, the problems of high production costs and application limitations caused by different voltage levels in different regions were solved. Voltage conversion and load compatibility were achieved, reducing production costs and improving application flexibility.

CN224438800UActive Publication Date: 2026-06-30PRONA NEW ENERGY (GUANGDONG) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
PRONA NEW ENERGY (GUANGDONG) CO LTD
Filing Date
2025-05-06
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing power supply equipment requires the separate production of different models due to varying voltage levels in different regions. This results in high production costs, limited applications, and incompatibility with a wide range of loads.

Method used

Design a DC power supply adapter device, comprising a housing, an input module and multiple DC modules. It is connected to an AC power source through an input connection terminal, rectifies and outputs a DC voltage, and multiple DC modules can be connected in series to increase the voltage level to adapt to different load requirements.

Benefits of technology

It enables voltage conversion between different AC power supplies, is compatible with various load requirements, reduces production costs, and improves application flexibility and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a DC power supply adapter and power supply equipment, including a housing, an input module, and multiple DC modules. The input module is disposed in the housing and includes multiple input connection terminals. The multiple input connection terminals are used to detachably connect to an AC power source through connectors to obtain input power. The voltage of the input power source is the line voltage or phase voltage output by the AC power source. The AC terminals of each DC module are correspondingly connected to the input connection terminals. Each DC module is provided with an output connection port. The DC module rectifies the AC power source and outputs it through the output connection port. This design is convenient and reliable to use, can be compatible with different load requirements, and reduces production costs.
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Description

Technical Field

[0001] This utility model relates to the field of power supply equipment technology, and in particular to a DC power supply adapter and power supply equipment. Background Technology

[0002] There are many types of power supply equipment. Because voltage levels vary in different regions, power supply equipment needs to be transformed before it can supply power to the load. Furthermore, different loads require different supply voltages, and power supply equipment with a relatively fixed output voltage cannot be compatible with many loads, resulting in significant limitations in its use. Manufacturers also need to produce specific models of power supply equipment for each need, leading to higher production costs and hindering sales and application. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a DC power supply adapter and power supply equipment that is convenient and reliable in application, compatible with different load requirements, and reduces production costs.

[0004] A DC power supply adapter according to a first aspect of the present invention includes: a housing; an input module disposed in the housing, the input module including a plurality of input connection terminals, the plurality of input connection terminals being detachably connected to an AC power source via connectors to obtain input power, the voltage of the input power source being the line voltage or phase voltage output by the AC power source; a plurality of DC modules, the AC terminals of each DC module being correspondingly connected to the input connection terminals, each DC module being provided with an output connection port, the DC module rectifying the AC power source and outputting it through the output connection port.

[0005] A DC power supply adapter according to an embodiment of the present invention has at least the following beneficial effects:

[0006] This utility model relates to a DC power supply adapter for use in conjunction with an AC power supply. The input module of the DC power supply adapter provides multiple input connection terminals, which can be selected to connect and adapt to three-phase AC power supplies, single-phase AC power supplies, etc., to obtain the line voltage or phase voltage output by the AC power supply. Then, the AC power supply is rectified by each DC module and output as DC voltage through the output connection port. The output terminals of multiple DC modules can be connected in series to increase the voltage level, so that different AC power supplies can be adapted to various loads after voltage conversion by this DC power supply adapter. This design is convenient and reliable, can be compatible with different load requirements, and reduces production costs.

[0007] According to some embodiments of the present invention, the AC terminal of the DC module includes a first input terminal and a second input terminal. The first input terminal is connected to one of the input connection terminals, and the second input terminal is connected to the other input connection terminal to obtain AC power.

[0008] According to some embodiments of this utility model, the DC module is provided with a full-bridge rectifier circuit or a full-wave rectifier circuit.

[0009] According to some embodiments of this utility model, there are multiple DC modules, including a first DC module, a second DC module, and a third DC module. The multiple input connection terminals include a first input connection terminal, a second input connection terminal, a third input connection terminal, a fourth input connection terminal, a fifth input connection terminal, and a sixth input connection terminal. The AC terminal of the first DC module is connected to the first input connection terminal and the second input connection terminal, respectively. The AC terminal of the second DC module is connected to the third input connection terminal and the fourth input connection terminal, respectively. The AC terminal of the third DC module is connected to the fifth input connection terminal and the sixth input connection terminal, respectively.

[0010] According to some embodiments of the present invention, the output terminal of the AC power supply includes a first phase terminal, a second phase terminal, a third phase terminal, and a neutral phase terminal. The first phase terminal is connected to the first input connection terminal, the second phase terminal is connected to the third input connection terminal, the third phase terminal is connected to the fifth input connection terminal, and the neutral phase terminal is connected to the second input connection terminal, the fourth input connection terminal, and the sixth input connection terminal, respectively.

[0011] According to some embodiments of the present invention, the output terminal of the AC power supply includes a first phase terminal, a second phase terminal, and a third phase terminal. The first phase terminal is connected to the second input connection terminal and the third input connection terminal, respectively. The second phase terminal is connected to the fourth input connection terminal and the fifth input connection terminal, respectively. The third phase terminal is connected to the sixth input connection terminal and the first input connection terminal, respectively.

[0012] According to some embodiments of the present invention, the output terminal of the AC power supply includes a first phase terminal, a second phase terminal, a third phase terminal, and a neutral phase terminal. The first phase terminal is connected to the second input connection terminal and the third input connection terminal, respectively. The second phase terminal is connected to the fourth input connection terminal and the fifth input connection terminal, respectively. The third phase terminal is connected to the sixth input connection terminal and the first input connection terminal, respectively.

[0013] According to some embodiments of the present invention, the output terminal of the AC power supply includes a first phase terminal and a second phase terminal. The first phase terminal is connected to the first input connection terminal, the third input connection terminal and the fifth input connection terminal respectively, and the second phase terminal is connected to the second input connection terminal, the fourth input connection terminal and the sixth input connection terminal respectively.

[0014] According to some embodiments of the present invention, the connector includes a conductive wire or a conductive busbar.

[0015] The power supply device according to the second aspect of the present invention includes an AC power supply and a DC power adapter disclosed in any of the above embodiments, wherein multiple input connection terminals are detachably connected to the AC power supply via connectors.

[0016] The power supply device according to the embodiments of this utility model has at least the following beneficial effects:

[0017] This utility model power supply equipment uses the DC power supply adapter disclosed in any of the above embodiments to adapt the output of AC power to meet the power demand of the user's load. This design is convenient and reliable, can be compatible with different load requirements, and reduces production costs.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0020] Figure 1 This is a perspective view of one embodiment of the DC power supply adapter device of this utility model;

[0021] Figure 2 This is a wiring diagram of the first embodiment of the DC power supply adapter device of this utility model;

[0022] Figure 3 This is a wiring diagram of the second embodiment of the DC power supply adapter device of this utility model;

[0023] Figure 4 This is a wiring diagram of the third embodiment of the DC power supply adapter device of this utility model;

[0024] Figure 5 This is a wiring diagram of the fourth embodiment of the DC power supply adapter device of this utility model.

[0025] Figure label:

[0026] Housing 100; Input module 200; First input connection terminal 210; Second input connection terminal 220; Third input connection terminal 230; Fourth input connection terminal 240; Fifth input connection terminal 250; Sixth input connection terminal 260; DC module 300; First input terminal 310; Second input terminal 320; Connector 400; AC power supply 500; First phase terminal 510; Second phase terminal 520; Third phase terminal 530; Neutral phase terminal 540. Detailed Implementation

[0027] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0028] In the description of this utility model, it should be understood that the directional descriptions, such as the terms "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] like Figures 1 to 5As shown, a DC power supply adapter according to a first aspect embodiment of the present invention includes a housing 100, an input module 200, and a plurality of DC modules 300. The input module 200 is disposed in the housing 100 and includes a plurality of input connection terminals. The plurality of input connection terminals are used to be detachably connected to an AC power supply 500 via connectors 400 to obtain input power. The voltage of the input power supply is the line voltage or phase voltage output by the AC power supply 500. The AC terminals of each DC module 300 are correspondingly connected to the input connection terminals. Each DC module 300 is provided with an output connection port. The DC module 300 rectifies the AC power supply 500 and outputs it through the output connection port.

[0032] The housing 100 can be formed by sheet metal parts, and its specific shape can be set according to the specific situation of the AC power supply 500 that needs to be adapted. It can be installed on the AC power supply 500. The input module 200 can be an end panel set on the housing 100. The input connection end can be set on the end panel. In some embodiments of this utility model, the connector 400 includes a conductive wire or a conductive busbar. The input connection end can be a wire clamp, a conductive stud, a conductive socket, etc. The input connection end can be electrically connected to the connector 400.

[0033] Each DC module 300 can be a separate module disposed within the housing 100. In some embodiments of this utility model, the DC module 300 is provided with a full-bridge rectifier circuit or a full-wave rectifier circuit, which can rectify the input power supply connected to the AC terminal of the DC module 300 and form a DC power supply for output at the output connection port.

[0034] This utility model relates to a DC power supply adapter for use in conjunction with an AC power supply 500. The input module 200 of the DC power supply adapter provides multiple input connection terminals, which can be selected to connect and adapt to a three-phase AC power supply 500, a single-phase AC power supply 500, etc., to obtain the line voltage or phase voltage output by the AC power supply 500. Then, the AC power supply 500 is rectified by each DC module 300 and output as DC voltage through the output connection port. The output terminals of multiple DC modules 300 can be connected in series to increase the voltage level, so that different AC power supplies 500 can be adapted to various loads after voltage conversion by this DC power supply adapter. This design is convenient and reliable, can be compatible with different load requirements, and reduces production costs.

[0035] In some embodiments of this utility model, the AC terminal of the DC module 300 includes a first input terminal 310 and a second input terminal 320. The first input terminal 310 is connected to one of the input connection terminals, and the second input terminal 320 is connected to the other input connection terminal to obtain AC power 500.

[0036] In some embodiments of this utility model, such as Figures 2 to 4 As shown, there are multiple DC modules 300, including a first DC module 300, a second DC module 300, and a third DC module 300. The multiple input connection terminals include a first input connection terminal 210, a second input connection terminal 220, a third input connection terminal 230, a fourth input connection terminal 240, a fifth input connection terminal 250, and a sixth input connection terminal 260. The AC terminals of the first DC module 300 are connected to the first input connection terminal 210 and the second input connection terminal 220, respectively. The AC terminals of the second DC module 300 are connected to the third input connection terminal 230 and the fourth input connection terminal 240, respectively. The AC terminals of the third DC module 300 are connected to the fifth input connection terminal 250 and the sixth input connection terminal 260, respectively.

[0037] Multiple input connection terminals can be configured with different connection methods through multiple connectors 400 to adapt to different AC power supplies 500 for power supply. Each pair of input connection terminals forms a group, and multiple DC modules 300 can draw power from each group of input connection terminals one by one to form a DC power output. Users can choose one or more DC modules 300 to power the load according to their own needs.

[0038] In some embodiments of this utility model, such as Figure 2 As shown, the output terminals of the AC power supply 500 include a first phase terminal 510, a second phase terminal 520, a third phase terminal 530, and a neutral phase terminal 540. The first phase terminal 510 is connected to the first input connection terminal, the second phase terminal 520 is connected to the third input connection terminal, the third phase terminal 530 is connected to the fifth input connection terminal, and the neutral phase terminal 540 is connected to the second input connection terminal, the fourth input connection terminal, and the sixth input connection terminal, respectively.

[0039] Specifically, the first input connection terminal 210, the second input connection terminal 220, the third input connection terminal 230, the fourth input connection terminal 240, the fifth input connection terminal 250, and the sixth input connection terminal 260 form a star connection with the first phase terminal 510, the second phase terminal 520, the third phase terminal 530, and the neutral phase terminal 540. Taking a 3-phase 4-wire 220V / 380V AC power supply 500 as an example, the phase voltage of the AC power supply 500 is 220V and the line voltage is 380V. Each DC module 300 can obtain the input power voltage from each single phase of the first phase terminal 510, the second phase terminal 520, the third phase terminal 530, and the neutral phase terminal 540, or it can obtain the input power voltage from each pair of the first phase terminal 510, the second phase terminal 520, and the third phase terminal 530.

[0040] In some embodiments of this utility model, such as Figure 3 As shown, the output terminals of the AC power supply 500 include a first phase terminal 510, a second phase terminal 520, and a third phase terminal 530. The first phase terminal 510 is connected to the second input connection terminal and the third input connection terminal, respectively. The second phase terminal 520 is connected to the fourth input connection terminal and the fifth input connection terminal, respectively. The third phase terminal 530 is connected to the sixth input connection terminal and the first input connection terminal, respectively.

[0041] Specifically, the first input connection terminal 210, the second input connection terminal 220, the third input connection terminal 230, the fourth input connection terminal 240, the fifth input connection terminal 250, and the sixth input connection terminal 260 form a delta connection with the first phase terminal 510, the second phase terminal 520, and the third phase terminal 530. Taking a 3-phase 3-wire 220V / 220V AC power supply 500 as an example, the phase voltage of the AC power supply 500 is 220V, the line voltage is 220V, and each DC module 300 can obtain the input power voltage from each pair of the first phase terminal 510, the second phase terminal 520, and the third phase terminal 530.

[0042] In some embodiments of this utility model, such as Figure 4 As shown, the output terminals of the AC power supply 500 include a first phase terminal 510, a second phase terminal 520, a third phase terminal 530, and a neutral phase terminal 540. The first phase terminal 510 is connected to the second input connection terminal and the third input connection terminal, the second phase terminal 520 is connected to the fourth input connection terminal and the fifth input connection terminal, and the third phase terminal 530 is connected to the sixth input connection terminal and the first input connection terminal.

[0043] Specifically, the first input connection terminal 210, the second input connection terminal 220, the third input connection terminal 230, the fourth input connection terminal 240, the fifth input connection terminal 250, and the sixth input connection terminal 260 form a delta connection with the first phase terminal 510, the second phase terminal 520, and the third phase terminal 530. Taking a 3-phase 4-wire 127V / 220V AC power supply 500 as an example, the phase voltage of the AC power supply 500 is 127V and the line voltage is 220V. Each DC module 300 can obtain the input power voltage from each pair of the first phase terminal 510, the second phase terminal 520, and the third phase terminal 530.

[0044] In some embodiments of this utility model, such as Figure 5 As shown, the output terminal of the AC power supply 500 includes a first phase terminal 510 and a second phase terminal 520. The first phase terminal 510 is connected to the first input connection terminal, the third input connection terminal and the fifth input connection terminal respectively. The second phase terminal 520 is connected to the second input connection terminal, the fourth input connection terminal and the sixth input connection terminal respectively.

[0045] Specifically, the input power supply is a 2-phase 4-wire 220V / 380V AC power supply 500 as an example. The phase voltage of the AC power supply 500 is 220V and the line voltage is 380V. Each DC module 300 can obtain the input power supply voltage between the first phase terminal 510 and the second phase terminal 520.

[0046] The power supply device according to the second aspect of the present invention includes an AC power supply 500 and a DC power supply adapter disclosed in any of the above embodiments, wherein a plurality of input connection terminals are detachably connected to the AC power supply 500 via connectors 400.

[0047] The power supply equipment of this utility model uses the DC power supply adapter disclosed in any of the above embodiments to adapt the output of the AC power supply 500 to meet the power demand of the load used by the user. This design is convenient and reliable, can be compatible with different load requirements, and reduces production costs.

[0048] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0049] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A DC panel power supply adaptation device, characterized by, include: case; An input module is disposed in the housing. The input module includes multiple input connection terminals, which are used to be detachably connected to an AC power source via connectors to obtain input power. The voltage of the input power source is the line voltage or phase voltage output by the AC power source. Multiple DC modules are provided, with the AC terminal of each DC module correspondingly connected to the input connection terminal. Each DC module is provided with an output connection port, and the DC module rectifies the AC power and outputs it through the output connection port.

2. The DC panel power supply adapting device according to claim 1, characterized in that: The AC terminal of the DC module includes a first input terminal and a second input terminal. The first input terminal is connected to one of the input connection terminals, and the second input terminal is connected to the other input connection terminal to obtain AC power.

3. The DC panel power adapter of claim 1, wherein: The DC module is equipped with a full-bridge rectifier circuit or a full-wave rectifier circuit.

4. The DC power supply adapter according to claim 1, characterized in that: The DC modules are multiple, including a first DC module, a second DC module, and a third DC module. The input connection terminals include a first input connection terminal, a second input connection terminal, a third input connection terminal, a fourth input connection terminal, a fifth input connection terminal, and a sixth input connection terminal. The AC terminals of the first DC module are connected to the first input connection terminal and the second input connection terminal, respectively. The AC terminals of the second DC module are connected to the third input connection terminal and the fourth input connection terminal, respectively. The AC terminals of the third DC module are connected to the fifth input connection terminal and the sixth input connection terminal, respectively.

5. A DC panel power adapter device according to claim 4, characterized in that: The output terminals of the AC power supply include a first phase terminal, a second phase terminal, a third phase terminal, and a neutral phase terminal. The first phase terminal is connected to the first input connection terminal, the second phase terminal is connected to the third input connection terminal, the third phase terminal is connected to the fifth input connection terminal, and the neutral phase terminal is connected to the second input connection terminal, the fourth input connection terminal, and the sixth input connection terminal, respectively.

6. A DC panel power adapter device according to claim 4, wherein: The output terminals of the AC power supply include a first phase terminal, a second phase terminal, and a third phase terminal. The first phase terminal is connected to the second input connection terminal and the third input connection terminal, respectively. The second phase terminal is connected to the fourth input connection terminal and the fifth input connection terminal, respectively. The third phase terminal is connected to the sixth input connection terminal and the first input connection terminal, respectively.

7. The DC panel power supply adapting device of claim 4, wherein: The output terminals of the AC power supply include a first phase terminal, a second phase terminal, a third phase terminal, and a neutral phase terminal. The first phase terminal is connected to the second input connection terminal and the third input connection terminal, respectively. The second phase terminal is connected to the fourth input connection terminal and the fifth input connection terminal, respectively. The third phase terminal is connected to the sixth input connection terminal and the first input connection terminal, respectively.

8. The DC panel power supply adapting device of claim 4, wherein: The output terminal of the AC power supply includes a first phase terminal and a second phase terminal. The first phase terminal is connected to the first input connection terminal, the third input connection terminal and the fifth input connection terminal respectively. The second phase terminal is connected to the second input connection terminal, the fourth input connection terminal and the sixth input connection terminal respectively.

9. The DC panel power supply adapting device of claim 1, wherein: The connector includes a conductive wire or a conductive busbar.

10. A power supply device, characterized by comprising: The DC power supply adapting device comprises an AC power supply and a DC power supply adapting device as claimed in any one of claims 1 to 9, and a plurality of input connecting terminals are detachably connected to the AC power supply through the connecting member.