PDU relay board

By adopting a relay and common-pole input terminal structure with a queue distribution on the PDU relay board, the problem of complicated wiring connections is solved, a more compact and convenient structural layout is achieved, and the ease of installation is improved.

CN224053091UActive Publication Date: 2026-03-27GUANGDONG KENENG TECHNOLOGY DEVELOPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing PDU relay board has complicated wiring connections, resulting in a complex structural layout and affecting the ease of installation and use.

Method used

The structure employs multiple relays arranged in a queue and a common-pole input terminal, which simplifies circuit layout and improves integration.

Benefits of technology

It achieves a compact layout and convenient wiring of the PDU relay board, simplifies the structural layout of the PCB circuit board, and improves the ease of installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PDU (Power Distribution Unit) relay board. The PDU relay board comprises a PCB (Printed Circuit Board) and a plurality of relays arranged on the PCB, a plurality of input terminals are arranged on the front face of the PCB, the input terminals are distributed in the middle of the PCB in a queue mode, and the relays are symmetrically distributed on the two sides of the input terminals. One input terminal is arranged between any two symmetrically distributed relays, and the input terminal is configured as a common-pole input end of the two symmetrically distributed relays. According to the PDU relay board, the plurality of relays distributed in the array are arranged and matched with the plurality of input terminals to form a common-pole input structure connection mode, so that the integrated arrangement of the PDU relay board can be improved, the circuit arrangement structure is simplified, and the convenience of circuit connection of the PDU relay board is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to power distribution unit technical field, concretely relates to a PDU relay board. BACKGROUND

[0002] PDU (Power Distribution Unit, power distribution unit) is the power distribution socket of the cabinet, and PDU is the product designed for providing power distribution for the electrical equipment installed in the cabinet, has different functions, installation modes and different plug combinations of multiple series specifications, and can provide suitable rack-mounted power distribution solutions for different power supply environments.

[0003] The PDU relay board integrates multiple relays on a PCB (Printed Circuit Board, printed circuit board) to meet the working requirements of PDU for different power distribution modes, and the existing PDU relay board mainly sets one-to-one input terminals according to the number of relays, and needs to connect the control lines of each relay individually, which leads to complex line arrangement of the PCB, complicated line connection of the PDU relay board, complex structure arrangement of the PDU relay board, low integration of the line structure, and affects the convenience of installation and use of the PDU relay board. UTILITY MODEL CONTENTS

[0004] The utility model discloses a PDU relay board, which is arranged by setting a plurality of relays in a queue, and is connected in a structure of common-pole input by cooperating with a plurality of input terminals, so that the integration of the PDU relay board can be improved, the line arrangement structure can be simplified, and the convenience of line connection of the PDU relay board can be improved.

[0005] The utility model provides a PDU relay board, the PDU relay board includes: PCB circuit board and a plurality of relays set on the PCB circuit board;

[0006] The front surface of the PCB circuit board is provided with a plurality of input terminals, the plurality of input terminals are arranged in a queue in the middle of the PCB circuit board, and the plurality of relays are symmetrically arranged on the two sides of the input terminals.

[0007] An input terminal is arranged between any two symmetrically arranged relays, and the input terminal is configured as a common-pole input terminal of the two symmetrically arranged relays.

[0008] Further, the back surface of the PCB circuit board is provided with a plurality of output terminals, and the plurality of output terminals are one-to-one corresponding to the plurality of relays.

[0009] Further, the plurality of relays are divided into a plurality of relay groups, and two relays are arranged in each of the relay groups.

[0010] The two adjacent relay groups on the same side are arranged with a preset interval, and one output terminal is arranged in each of the preset intervals.

[0011] Further, the output terminals in the preset intervals are configured as common-pole output terminals of the two adjacent relay groups.

[0012] Further, the relay board further comprises a signal control board, and the plurality of relays on the same side are connected to the same signal control board.

[0013] Further, the input terminal comprises a first electric polarity piece arranged on the PCB circuit board and a first connecting frame covering the first electric polarity piece.

[0014] The first connecting frame is arranged with a first electric connection hole above the first electric polarity piece.

[0015] Further, the inner wall of the first electric connection hole is arranged with a connecting thread.

[0016] Further, the first connecting frame is arranged as a U-shaped frame structure, and a first folding part and a second folding part are formed based on the U-shaped frame structure.

[0017] The first connecting frame is inserted on the PCB circuit board based on the first folding part and the second folding part.

[0018] Further, the PCB circuit board is arranged with a plurality of mounting holes.

[0019] Further, the PCB circuit board is arranged with a routing line, and a signal connection port and an electric solder pad are formed on the PCB circuit board based on the routing line.

[0020] The signal control board is welded and fixed on the electric solder pad, and the signal control board is electrically connected with the signal connection port based on the routing line.

[0021] The utility model provides a kind of PDU relay board, by the plurality of relays are distributed in queue, and the plurality of input terminals are configured as common-pole input, so that two relays can share an input terminal, can improve the layout compact of PDU relay board, simplify the line routing of PCB circuit board, and the structural connection mode based on common-pole input can improve the convenience of line connection of PDU relay board. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Figure 1 is a schematic diagram of the PDU relay board structure in the embodiment of the present application;

[0024] Figure 2 is a schematic diagram of the back structure of the PDU relay board in the embodiment of the present application;

[0025] Figure 3 is a top view of the PDU relay board in the embodiment of the present application;

[0026] Figure 4 is a schematic diagram of the PDU relay board structure in the second embodiment of the present application. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Embodiment one:

[0029] Please refer to Figures 1 to 3 The embodiment of the present application provides a PDU relay board, which comprises a PCB circuit board 1 and a plurality of relays 2 arranged on the PCB circuit board 1. Based on the plurality of relays 2 of the PCB circuit board 1, the connection of different power distribution requirements of the PDU module can be met.

[0030] The front surface of the PCB circuit board 1 is provided with a plurality of input terminals 3, the plurality of input terminals 3 are arranged in a queue in the middle of the PCB circuit board 1, and the plurality of relays 2 are symmetrically arranged on both sides of the input terminals 3. The plurality of input terminals 3 are arranged at the middle position of the PCB circuit board 1, so that the structure arrangement of the relays 2 and the input terminals 3 of the PCB circuit board 1 is simple, and the line connection convenience of the PCB circuit board 1 is improved.

[0031] Specifically, one of the input terminals 3 is arranged between any two symmetrically distributed relays 2, and the input terminal 3 is configured as a common pole input terminal of the two symmetrically distributed relays 2. By arranging a common pole input terminal between the two relays 2, a single input line can control the output of the two relays 2, realize two-way output control, and thus realize integrated control of the relays 2 of the PDU relay board.

[0032] Further, the back of the PCB circuit board 1 is provided with a plurality of output terminals 4, and the plurality of output terminals 4 are arranged one by one with the plurality of relays 2. The output terminals 4 and the input terminals 3 are independently distributed, so that the front of the PCB circuit board 1 can form an input line arrangement based on the wire arrangement, and the back of the PCB circuit board 1 can form an output line arrangement based on the wire arrangement, improving the space utilization rationality of the structural arrangement of the PCB circuit board 1, and thus improving the structural arrangement compactness of the PCB circuit board 1.

[0033] Specifically, the plurality of relays 2 are divided into a plurality of relay groups, and any one of the relay groups is provided with two relays 2. Based on the arrangement structure of two-by-two groups, the compactness of the structural arrangement of the plurality of relays 2 on the PCB circuit board 1 can be ensured, and at the same time, the wire space of the printed circuit arrangement of the PCB circuit board 1 is reserved between the relays 2, improving the space utilization rationality of the PCB circuit board 1.

[0034] Further, a preset interval is arranged between any two adjacent relay groups on the same side, and one output terminal 4 is arranged in any one of the preset intervals. The output terminal 4 in the preset interval is configured as a common pole output terminal 4 of the two adjacent relay groups. By arranging the common pole output terminal 4, the integrated output between the relays 2 can be realized, and the number of output terminals 4 between the relays 2 of the PCB circuit board 1 can be reduced, so that the PDU relay board has a high degree of integration, and meets the design requirements of high integration control of the PDU relay board.

[0035] Specifically, the relay 2 board further comprises a signal control board 5, and a plurality of relays 2 on the same side are connected to the same signal control board 5. Based on the signal control board 5, the plurality of relays 2 are connected in an integrated manner, and by arranging the signal control board 5 at one end of the plurality of relays 2, the plurality of relays 2 can be directly connected to the signal control board 5, reducing the connection line design between the relays 2 and the signal control board 5, thereby improving the integration degree of the structural arrangement of the PDU relay board and the compactness of the space arrangement structure, and simplifying the line arrangement structure of the PDU relay board.

[0036] Further, one end of the signal control board 5 extends outside the PCB circuit board 1, so that the signal control board 5 is connected with the signal input end of the PDU module, and the convenience of mounting the PDU relay board is improved.

[0037] Further, the inner wall of the first electrically conductive connecting hole 321 is provided with a connecting thread, the superposition of the flat cable on the first connecting frame 32 is achieved, the connecting hole of the flat cable is overlapped with the first electrically conductive connecting hole 321, the flat cable and the first connecting frame 32 can be locked and connected based on the connecting screw, and therefore the stability of the electrical connection between the flat cable and the input terminal 3 is ensured.

[0038] Specifically, the first connecting frame 32 is provided in a U-shaped frame structure, the first connecting frame 32 is inserted on the PCB circuit board 1 based on the first folding part and the second folding part, the first connecting frame 32 is electrically connected with the PCB circuit board 1 based on the first folding part and the second folding part, the first connecting frame 32 and the first electrically conductive tab 31 can be electrically connected, and the input terminal 3 is formed, so as to meet the working requirements of the PDU relay board.

[0039] Further, the output terminal 4 has the same structural design as the input terminal 3, and the specific structural design can refer to the structural design description of the input terminal 3, which will not be repeated here.

[0040] Specifically, please refer to Figure 4 The PCB circuit board 1 is provided with a plurality of mounting holes 12, which are matched with the connecting columns of the shell of the PDU module, so as to improve the mounting convenience of the PDU relay board.

[0041] Further, the PCB circuit board 1 is also provided with a positioning hole 11, which can meet the mounting and positioning of the PDU relay board by cooperating with the positioning column of the PDU module shell, so as to improve the mounting reliability of the PDU relay board.

[0042] The utility model embodiment provides a kind of PDU relay board, by multiple relay 2 is in queue distribution, and multiple input terminals 3 are configured as common pole input, so that two relays 2 can share an input terminal 3, can improve the layout compact of PDU relay board, simplify the circuit arrangement of PCB circuit board 1, the structural connection mode based on common pole input can improve the convenience of PDU relay board line connection.

[0043] Embodiment two:

[0044] Please refer to Figure 4In the embodiment, the PCB circuit board 1 is provided with a routing line, and a signal connection port 13 and an electrical pad are formed on the PCB circuit board 1 based on the routing line;

[0045] The signal control board 5 is welded and fixed on the electrical pad, and the signal control board 5 is electrically connected with the signal connection port 13 based on the routing line. By welding the signal control board 5 on the electrical pad, the signal control board 5 can be electrically connected with the signal connection port 13 based on the internal routing of the PCB circuit board 1, so that the PCB circuit board 1 can be connected with signals based on the signal connection port 13, the convenience of signal connection of the PCB circuit board 1 is improved, and the routing structure of the PCB circuit board 1 is simplified.

[0046] In addition, the embodiments of the utility model are introduced in detail above, the principle and implementation mode of the utility model are described by using specific examples in this paper, the above embodiment is only for helping understanding the method and core idea of the utility model; simultaneously, for the general technical personnel of the field, according to the thought of the utility model, there will be changes in specific implementation mode and application range, and the above is described, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A PDU relay board, characterized by, The PDU relay board comprises a PCB circuit board and a plurality of relays arranged on the PCB circuit board; The front surface of the PCB circuit board is provided with a plurality of input terminals, the plurality of input terminals are arranged in a queue at the middle part of the PCB circuit board, and the plurality of relays are symmetrically arranged on both sides of the input terminals; Any two symmetrically arranged relays are provided with an input terminal, and the input terminal is configured as a common pole input terminal of the two symmetrically arranged relays.

2. The PDU relay board of claim 1, wherein, The back surface of the PCB circuit board is provided with a plurality of output terminals, and the plurality of output terminals are one-to-one corresponding to the plurality of relays.

3. The PDU relay board of claim 2, wherein, The plurality of relays are divided into a plurality of relay groups, and any relay group is provided with two relays. Any adjacent two groups of relay groups located on the same side are provided with a preset interval, and any preset interval is provided with an output terminal.

4. The PDU relay board of claim 3, wherein, The output terminal in the preset interval is configured as a common pole output terminal of the adjacent two groups of relay groups.

5. The PDU relay board of claim 1, wherein, The relay board further comprises a signal control board, and a plurality of relays located on the same side are connected to the same signal control board.

6. The PDU relay board of claim 1, wherein, The input terminal comprises a first electrical polarity piece arranged on the PCB circuit board and a first connecting frame covering the first electrical polarity piece. The first connecting frame is provided with a first electrical connection hole above the first electrical polarity piece.

7. The PDU relay board of claim 6, wherein, The inner wall of the first electrical connection hole is provided with a connecting thread.

8. The PDU relay board of claim 6, wherein, The first connecting frame is arranged in a U-shaped frame structure, and a first folding part and a second folding part are formed based on the U-shaped frame structure. The first connecting frame is inserted into the PCB circuit board based on the first folding part and the second folding part.

9. The PDU relay board of claim 1, wherein, The PCB circuit board is provided with a plurality of mounting holes.

10. The PDU relay board of claim 5, wherein, The PCB circuit board is provided with a layout line, and a signal connection port and an electrical pad are formed on the PCB circuit board based on the layout line. The signal control board is welded and fixed on the electrical pad, and the signal control board is electrically connected with the signal connection port based on the layout line.