A power supply unit and a busbar power supply module using the power supply unit

Abstract

The invention discloses a power supply unit and a busbar power supply module using the power supply unit. The power supply unit includes an upper cover, a power supply body shell, a three-phase switch, a wiring terminal, an indicator light, a hook, a power adapter, a rectifier power supply board, a three-phase plug reed, a low-voltage power supply positive reed and a low-voltage power supply negative reed. The three-phase switch is connected to the three-phase live wire plug reed to obtain AC380V power from the power supply bus, which is rectified into direct current by a rectifier module, and then stepped down to DC24V to supply to the low-voltage power supply positive reed and the low-voltage power supply negative reed. The power supply unit, relay unit, busbar body and guard plate group of the busbar power supply module are all in two groups and arranged side by side. Two adjacent power supply units are connected by power supply wires. The high-voltage DC parts of the two power supply units are used as dual-path inputs of the power supply together, and the power supply is stable and segmented output can be achieved.

Description

Technical Field

[0001] The invention relates to electrical power supply technology, and in particular to a power supply unit and a busbar power supply module using the power supply unit. Background Art

[0002] The terminal busbar is usually a power distribution device for power consumption terminals, which is composed of copper conductors and aluminum alloy shells. It can supply power to specific equipment through matching plug-in boxes and other devices. However, the existing terminal busbar power supply mode is single and cannot realize segmented power supply, which is limited in its promotion and application. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, an object of the present invention is to provide a power supply unit and a busbar power supply module using the power supply unit, which can solve the above-mentioned problems.

[0004] The purpose of the present invention is achieved by the following technical solutions:

[0005] A power supply unit, comprising an upper cover, a power supply body shell, a three-phase switch, a terminal block, an indicator light, a hook, a power adapter, a rectifier power board, a three-phase plug reed, a low-voltage power supply positive reed, a low-voltage power supply negative reed and a rectifier module, wherein the upper cover and the power supply body shell are butt-jointed, the outer ends of the three-phase switch, the terminal block and the indicator light are embedded in the upper cover, the hook is arranged on the outer side of one end of the power supply body shell through a latch and a spring pivot, and the power adapter, the rectifier power board and the rectifier module are arranged on the upper cover and the power supply body shell formed by butt-jointing. In the inner cavity, the rectifier module is arranged at one end of the power adapter and connected to the rectifier power board. The low-voltage power supply positive reed, three-phase plug reed and low-voltage power supply negative reed are arranged at intervals on the side of the rectifier power board facing the power supply body shell. The first low-voltage plug slot, multiple three-phase plug slots and second low-voltage plug slot are opened in parallel at intervals on the side of the power supply body shell opposite to the rectifier power board. The low-voltage power supply positive reed, three-phase plug reed and low-voltage power supply negative reed installed on the rectifier power board are inserted into the corresponding plug slots.

[0006] Preferably, the power adapter includes a DC step-down component; and the output end of the DC step-down component is connected to a low-voltage power supply positive electrode reed and a low-voltage power supply negative electrode reed.

[0007] Preferably, the three-phase switch is connected to the three-phase live wire plug reed among the multiple three-phase plug reeds on the rectifier power board to obtain AC380V power from the power supply bus, and rectified into DC voltage through the rectifier module, and then stepped down to DC24V through the DC step-down component of the power adapter to supply to the low-voltage power supply positive reed and the low-voltage power supply negative reed.

[0008] Preferably, the low-voltage power supply positive pole reed and the low-voltage power supply negative pole reed are arranged relatively in the middle of both ends of the rectifier power supply board, and the five three-phase plug reeds are installed on the rectifier power supply board and arranged in a V shape.

[0009] Preferably, two pivot mounting plates are protruding from one end of the power supply body shell, the hook is mounted on the two pivot mounting plates through a latch and a spring pivot, and one end of the hook protrudes from the side of the power supply body shell.

[0010] A busbar power supply module using the above power supply unit, the busbar power supply module includes a power supply unit, a relay unit, a busbar body and a guard plate group, the bottom of the power supply unit is plugged into the copper busbar group at the end of the busbar body through a plug slot and fixed by a hook, the relay unit is arranged between two busbar bodies, and a guard plate group is arranged on the busbar body, and the power supply unit realizes segmented power supply in cooperation with the relay unit with ring network function.

[0011] Preferably, the power supply unit, relay unit, busbar body and guard plate group are all in two groups and arranged side by side. Two adjacent power supply units are connected by a power supply wire. The high-voltage DC parts of the two power supply units are used as dual-path inputs of the power supply, ensuring that in the case of dual-path power supply, as long as one path is powered, the low-voltage DC power output can be maintained.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. Dual-way power input function: through the wiring terminals on the panel, the high-voltage DC parts (obtained after AC380V rectification) of the two power supply units placed on the A / B busbars can be used as dual-way inputs of the power supply, ensuring that in the case of AB power supply, as long as there is one power supply, the DC24V power output can be maintained;

[0014] 2. All input and output are directly connected to the busbar through spring plugs, without any cable connection;

[0015] 3. The DC24V output has the function of grid-connected use. Users can configure one or more power supply units according to power needs. At the same time, segmented power supply can be achieved by cooperating with the ring network function of the relay unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the power supply unit of the present invention;

[0017] Figure 2 It is a structural schematic diagram of the power supply unit from another perspective;

[0018] Figure 3 is an exploded schematic diagram of the power supply unit;

[0019] Figure 4 This is a disassembled schematic diagram of the power supply unit from another perspective;

[0020] Figure 5 This is a structural diagram of the bus power supply module.

[0021] In the figure: 1. upper cover; 2. power supply body shell; 21. three-phase plug slot; 22. first low-voltage plug slot; 23. second low-voltage plug slot; 24. pivot mounting plate; 3. three-phase switch; 4. wiring terminal; 5. indicator light; 6. hook; 7. power adapter; 8. rectifier power board; 9. three-phase plug reed; 10. low-voltage power supply positive reed; 11. low-voltage power supply negative reed; 12. rectifier module; 100. power supply unit; 200. relay unit; 300. busbar body; 400. guard plate group; 500. power supply wire. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 4 A power supply unit includes an upper cover 1, a power supply body shell 2, a three-phase switch 3, a terminal block 4, an indicator light 5, a hook 6, a power adapter 7, a rectifier power board 8, a three-phase plug reed 9, a low-voltage power supply positive reed 10, a low-voltage power supply negative reed 11 and a rectifier module 12.

[0024] Connection relationship: the upper cover 1 and the power body shell 2 are butt-connected, the outer ends of the three-phase switch 3, the terminal block 4 and the indicator light 5 are embedded in the upper cover 1, the hook 6 is arranged on the outside of one end of the power body shell 2 through a pin and a spring pivot, the power adapter 7, the rectifier power board 8 and the rectifier module 12 are arranged in the inner cavity formed by the butt connection between the upper cover 1 and the power body shell 2, and the rectifier module 12 is arranged at one end of the power adapter 7 and connected to the rectifier power board 8; the low-voltage power supply positive reed 10, the three-phase plug reed 9 and the low-voltage power supply negative reed 11 are arranged at intervals on the side of the rectifier power board 8 facing the power body shell 2, and the first low-voltage plug slot 22, a plurality of three-phase plug slots 21 and a second low-voltage plug slot 23 are arranged at intervals and in parallel on the side of the power body shell 2 opposite to the rectifier power board 8, and the low-voltage power supply positive reed 10, the three-phase plug reed 9 and the low-voltage power supply negative reed 11 installed on the rectifier power board 8 are inserted into the corresponding plug slots.

[0025] The power adapter 7 includes a DC step-down component; and the output end of the DC step-down component is connected to a low-voltage power supply positive electrode spring 10 and a low-voltage power supply negative electrode spring 11 .

[0026] Among them, the three-phase switch 3 is connected to the three-phase live wire plug reed among the multiple three-phase plug reeds 9 on the rectifier power board 8 to obtain AC380V power from the power supply bus, and rectified into DC power through the rectifier module 12, and then stepped down to but not limited to DC24V (it can also be DC12V, DC36V, DC64V... etc. as needed) by the DC step-down component of the power adapter 7 and supplied to the low-voltage power supply positive reed 10 and the low-voltage power supply negative reed 11.

[0027] In one embodiment, the rectifier module 12 is a boost rectifier component, and the AC 380V power supply is rectified into a DC 450V power supply (not limited, selected as needed) via the rectifier module 12 .

[0028] Furthermore, the low-voltage power supply positive pole reed 10 and the low-voltage power supply negative pole reed 11 are arranged relatively in the middle of both ends of the rectifier power board 8, and the five three-phase plug reeds 9 are installed on the rectifier power board 8 and arranged in a V shape.

[0029] Furthermore, two pivot mounting plates 24 are protruded from one end of the power supply body shell 2 , and the hook 6 is mounted on the two pivot mounting plates 24 through a latch and an elastic pivot, and one end of the hook 6 protrudes from the side of the power supply body shell 2 .

[0030] The specific connection method is: the three-phase plug reed 9, the rectifier module 12, the low-voltage power supply positive reed 10 and the low-voltage power supply negative reed 11 are welded on the rectifier power board 8; the three-phase switch 3, the terminal 4 and the power adapter 7 are connected to the rectifier power board 8 by wires.

[0031] The specific connection relationship is: the three-phase plug reed 9, the three-phase switch 3, the rectifier module 12, the power adapter 7 and the low-voltage power supply positive reed 10 are electrically connected in sequence, the wiring terminal 4 is connected to the circuit between the three-phase switch 3 and the rectifier module 12, and the indicator light 5 is connected to the circuit between the power adapter 7 and the low-voltage power supply positive reed 10.

[0032] See also Figure 5A busbar power supply module using the above-mentioned power supply unit includes a power supply unit 100, a relay unit 200, a busbar body 300 and a guard plate group 400. The bottom of the power supply unit 100 is plugged into the copper busbar group at the end of the busbar body 300 through a plug slot and fixed by a hook. The relay unit 200 is arranged between two busbar bodies 300, and a guard plate group 400 is arranged on the busbar body 300. The power supply unit 100 realizes segmented power supply in cooperation with the relay unit 200 with a ring network function.

[0033] In one embodiment, the power supply unit 100, relay unit 200, busbar body 300 and guard plate group 400 are all in two groups and arranged side by side. Two adjacent power supply units 100 are connected by a power conductor 500. The high-voltage DC parts of the two power supply units 100 are used as dual-path inputs of the power supply to ensure that in the case of dual-path power supply, as long as one path is powered, the low-voltage DC power output can be maintained.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A power supply unit, characterized in that: The invention comprises an upper cover (1), a power supply body shell (2), a three-phase switch (3), a wiring terminal (4), an indicator light (5), a hook (6), a power adapter (7), a rectifier power board (8), a three-phase plug spring (9), a low-voltage power supply positive spring (10), a low-voltage power supply negative spring (11) and a rectifier module (12). The upper cover (1) and the power supply body shell (2) are butt-connected. The outer ends of the three-phase switch (3), the wiring terminal (4) and the indicator light (5) are embedded in the upper cover (1). The hook (6) is arranged on the outer side of one end of the power supply body shell (2) through a latch and a spring pivot. The power adapter (7), the rectifier power board (8) and the rectifier module (12) are arranged on the upper cover (1) and the power supply body shell ( 2) in the inner cavity formed by docking, the rectifier module (12) is arranged at one end of the power adapter (7) and connected to the rectifier power board (8), and the low-voltage power supply positive electrode reed (10), the three-phase plug reed (9) and the low-voltage power supply negative electrode reed (11) are arranged at intervals on the side of the rectifier power board (8) facing the power body shell (2), and the first low-voltage plug slot (22), a plurality of three-phase plug slots (21) and a second low-voltage plug slot (23) are arranged at intervals and in parallel on the side of the power body shell (2) opposite to the rectifier power board (8), and the low-voltage power supply positive electrode reed (10), the three-phase plug reed (9) and the low-voltage power supply negative electrode reed (11) installed on the rectifier power board (8) are inserted into the corresponding plug slots; The power adapter (7) comprises a DC step-down component; and the output end of the DC step-down component is connected to a low-voltage power supply positive electrode reed (10) and a low-voltage power supply negative electrode reed (11); The low-voltage power supply positive electrode reed (10) and the low-voltage power supply negative electrode reed (11) are arranged oppositely at the middle of both ends of the rectifier power supply board (8), and the five three-phase plug reeds (9) are installed on the rectifier power supply board (8) and arranged in a V shape.

2. The power supply unit according to claim 1, characterized in that: The three-phase switch (3) is connected to a three-phase live wire plug reed among a plurality of three-phase plug reeds (9) on a rectifier power supply board (8) to obtain an AC380V power supply from a power supply bus, and rectifies the power supply into a DC voltage via the rectifier module (12), and then steps down the voltage into DC24V via a DC step-down component of the power adapter (7) to supply the low-voltage power supply positive reed (10) and the low-voltage power supply negative reed (11).

3. The power supply unit according to claim 1, characterized in that: Two pivot mounting plates (24) are protrudingly provided at one end of the power source body shell (2), the hook (6) is mounted on the two pivot mounting plates (24) via a latch and a spring pivot, and one end of the hook (6) protrudes from a side surface of the power source body shell (2).

4. A busbar power supply module, characterized in that: The busbar power supply module comprises a power supply unit (100), a relay unit (200), a busbar body (300) and a guard plate group (400); the bottom of the power supply unit (100) is plugged into a copper busbar group at the end of the busbar body (300) through a plug slot and fixed by a hook; the relay unit (200) is arranged between two busbar bodies (300), and the guard plate group (400) is arranged on the busbar body (300); the power supply unit (100) realizes segmented power supply in cooperation with the relay unit (200) having a ring network function; the power supply unit (100) adopts the power supply unit according to any one of claims 1 to 3.

5. The busbar power supply module according to claim 4, characterized in that: The power supply unit (100), the relay unit (200), the busbar body (300) and the guard plate group (400) are all provided in two groups and arranged side by side. Two adjacent power supply units (100) are connected via a power supply wire (500). The high-voltage direct current parts of the two power supply units (100) serve together as dual-path inputs of the power supply, thereby ensuring that in the case of dual-path power supply, as long as one of the paths is powered, the low-voltage direct current power output can be maintained.

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