Direct current power distribution cabinet with redundancy module

Abstract

The utility model relates to the technical field of power distribution cabinets, in particular to a direct-current power distribution cabinet with a redundant module, which comprises a box body. An input switch, a first rectification unit, a redundancy module and a wiring terminal strip are arranged in the box body; the first rectifying unit comprises a plurality of rectifying modules which are connected in parallel; the input end of the first rectifying unit is connected with the input switch; the output end of the first rectification unit is connected with the input end of the redundancy module; and the output end of the redundancy module is connected with the wiring terminal strip. According to the utility model, the first rectification unit is integrated in the box body, and each rectification unit is integrated with a plurality of rectification modules, so that power can be supplied to a plurality of terminal devices in a centralized manner, and the cost of the unit can be saved; and the redundant module is arranged, so that continuous power supply can be carried out after the mains supply is cut off.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution cabinets, and particularly relates to a DC distribution cabinet with a redundant module. Background Art

[0002] Air conditioners are very common refrigeration devices in our lives, and the end is a part of the air-conditioning system. Initially, the ends of air conditioners were all alternating current (such as 220V or 380V, etc.). With the development of the times and people's high attention to safety, the ends have gradually started to be replaced with direct current (such as DC 48V). Although it does not meet the definition of safe voltage, it still greatly reduces the occurrence of safe electricity use accidents; because the number of ends is relatively large, if a rectification module is configured for each unit, the cost of the unit will be greatly increased; and each end is configured with a rectification module, occupying a large space in the unit. Summary of the Invention

[0003] The purpose of the utility model is to overcome the above-mentioned disadvantages and provide a DC distribution cabinet with a redundant module.

[0004] To achieve the above purpose, the specific scheme of the utility model is as follows: it includes a box body; an input switch, a first rectification unit, a redundant module and a terminal block are arranged in the box body;

[0005] The first rectification unit includes a plurality of rectification modules connected in parallel; the input end of the first rectification unit is connected to the input switch; the output end of the first rectification unit is connected to the input end of the redundant module; the output end of the redundant module is connected to the terminal block.

[0006] The utility model is further provided that the DC distribution cabinet with a redundant module further includes a second rectification unit; the second rectification unit includes a plurality of rectification modules connected in parallel; the input end of the second rectification unit is connected to the input switch; the output end of the second rectification unit is connected to the input end of the redundant module.

[0007] The utility model is further provided that the input switch includes a first air switch and a second air switch; the input ends of the first rectification unit and the second rectification unit are respectively connected to the first air switch and the second air switch.

[0008] The utility model is further provided that a wire groove is arranged in the box body.

[0009] The utility model is further provided that the wire groove is provided with a plurality of heat dissipation holes.

[0010] The utility model is further provided that the wire groove is semi-surroundingly arranged outside the input switch, the redundant module and the terminal block.

[0011] The present utility model is further configured such that the first rectifying unit is provided with a first housing; the second rectifying unit is provided with a second housing; the first housing is stacked on top of the second housing; and the first housing and the second housing are respectively detachably connected to the box body.

[0012] The present utility model is further configured such that the first housing is provided with a plurality of first accommodation grooves; the second housing is provided with a plurality of second accommodation grooves; and the first accommodation grooves and the second accommodation grooves are both detachably connected with rectifying modules.

[0013] The present utility model is further configured such that the rectifying module is provided with a first clamping block and a second clamping block; a clamping groove is formed between the first clamping block and the second clamping block; and the first accommodation grooves and the second accommodation grooves are both provided with clamping blocks adapted to the clamping groove.

[0014] The present utility model is further configured such that the second rectifying unit is disposed at the bottom of the first rectifying unit; and the redundancy module and the terminal block are arranged side by side on top of the first rectifying unit.

[0015] The beneficial effects of the present utility model are as follows: By integrating the first rectifying unit in the box body and integrating a plurality of rectifying modules in each rectifying unit, the present utility model can centrally supply power to multiple terminal devices, thereby saving the cost of the unit itself; and by providing a redundancy module, continuous power supply can be achieved after the mains power is cut off. Description of the Drawings

[0016] The utility model is further described with reference to the accompanying drawings. However, the embodiments in the drawings do not constitute any limitation to the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to the following drawings without creative efforts.

[0017] Figure 1 is a structural schematic diagram of the present utility model;

[0018] Figure 2 is an internal structural diagram of the present utility model;

[0019] Figure 3 is an internal structural diagram of the present utility model from another perspective;

[0020] Figure 4 is a structural schematic diagram of the cooperation between the first rectifying unit and the second rectifying unit of the present utility model;

[0021] Figure 5 is a structural schematic diagram of the cooperation between the first housing and the second housing of the present utility model;

[0022] Figure 6 is a structural schematic diagram of the rectifying module of the present utility model;

[0023] Wherein: 1. Cabinet; 21. First air switch; 22. Second air switch; 31. First rectification unit; 32. Second rectification unit; 33. First housing; 34. Second housing; 35. First accommodation groove; 36. Second accommodation groove; 37. Clamping block; 4. Rectification module; 41. First clamping block; 42. Second clamping block; 43. Card slot; 5. Redundancy module; 6. Terminal block; 7. Wire groove; 71. Heat dissipation hole. Detailed implementation manners

[0024] The present invention will be further described in conjunction with the following embodiments.

[0025] As Figures 1 to 6 shown, a DC power distribution cabinet with a redundancy module 5 in this embodiment includes a cabinet 1; an input switch, a first rectification unit 31, a redundancy module 5, and a terminal block 6 are arranged in the cabinet 1;

[0026] The first rectification unit 31 includes a plurality of rectification modules 4 connected in parallel; the input end of the first rectification unit 31 is connected to the input switch; the output end of the first rectification unit 31 is connected to the input end of the redundancy module 5; the output end of the redundancy module 5 is connected to the terminal block 6.

[0027] The terminal block 6 is used to connect to the terminal equipment and supply power to the terminal equipment; the rectification module 4 is used to convert AC 220V into DC 48V; the redundancy module 5 is used to integrate the dual-channel 48V into a single-channel 48V power supply to achieve the redundancy function, so that the terminal equipment does not lose power.

[0028] A DC power distribution cabinet with a redundancy module 5 in this embodiment, the DC power distribution cabinet with a redundancy module further includes a second rectification unit 32; the second rectification unit 32 includes a plurality of rectification modules 4 connected in parallel; the input end of the second rectification unit 32 is connected to the input switch; the output end of the second rectification unit 32 is connected to the input end of the redundancy module 5.

[0029] Specifically, for the DC power distribution cabinet with a redundancy module 5 in this embodiment, by integrating the first rectification unit 31 and the second rectification unit 32 in the cabinet 1, and each rectification unit integrates a plurality of rectification modules 4, centralized power supply for multiple terminal devices can be achieved, and the cost of the unit itself can be saved; and by setting the redundancy module 5, continuous power supply can be carried out after the mains power failure; compared with the ATS switch with a contactor as the switching execution component, the mechanical structure conversion time is reduced by more than 100 milliseconds, thus avoiding the phenomenon of short-term power failure of the core load (such as servers, network devices, etc.).

[0030] A DC power distribution cabinet with a redundant module 5 according to this embodiment, wherein the input switch includes a first air switch 21 and a second air switch 22; the input ends of the first rectification unit 31 and the second rectification unit 32 are respectively connected to the first air switch 21 and the second air switch 22.

[0031] Specifically, in this embodiment, by setting the first air switch 21 and the second air switch 22, two external 220V AC power supplies are connected, and the redundant function is realized through dual-power input; in addition, the first air switch 21 and the second air switch 22 are used for power on / off and short-circuit protection of the terminal load.

[0032] A DC power distribution cabinet with a redundant module 5 according to this embodiment, wherein a wire groove 7 is provided in the cabinet body 1. Specifically, by setting the wire groove 7 for placing cables, the overall wiring is made beautiful and tidy.

[0033] A DC power distribution cabinet with a redundant module 5 according to this embodiment, wherein the wire groove 7 is provided with a plurality of heat dissipation holes 71. Through the above setting, the heat dissipation performance of the wire groove 7 can be improved.

[0034] A DC power distribution cabinet with a redundant module 5 according to this embodiment, wherein the wire groove 7 is semi-surroundingly arranged outside the input switch, the redundant module 5 and the terminal block 6. Through the above setting, the space in the cabinet body 1 can be reasonably utilized, and the overall structure is made more compact and reliable.

[0035] A DC power distribution cabinet with a redundant module 5 according to this embodiment, wherein the first rectification unit 31 is provided with a first housing 33; the second rectification unit 32 is provided with a second housing 34; the first housing 33 is stacked on the top of the second housing 34; the first housing 33 and the second housing 34 are respectively detachably connected to the cabinet body 1. Through the above setting, it is convenient to disassemble and assemble the first rectification unit 31 and the second rectification unit 32 with the cabinet body 1 respectively.

[0036] A DC power distribution cabinet with a redundant module 5 according to this embodiment, wherein the first housing 33 is provided with a plurality of first accommodation grooves 35; the second housing 34 is provided with a plurality of second accommodation grooves 36; the first accommodation grooves 35 and the second accommodation grooves 36 are both detachably connected with rectification modules 4; further, the rectification modules 4 are detachably connected to the first accommodation grooves 35 and the second accommodation grooves 36 in a plug-in manner. Through the above setting, it is convenient to accommodate, place, disassemble and assemble the rectification modules 4.

[0037] A DC power distribution cabinet with a redundant module 5 according to this embodiment. The rectification module 4 is provided with a first clamping block 41 and a second clamping block 42. A clamping groove 43 is formed between the first clamping block 41 and the second clamping block 42. The first accommodating groove 35 and the second accommodating groove 36 are both provided with clamping blocks 37 that cooperate with the clamping groove 43. By respectively clamping the clamping blocks 37 in the first accommodating groove 35 and the second accommodating groove 36 with the clamping groove 43 of the rectification module 4, it is convenient to disassemble and assemble the rectification module 4, and the connection is stable and reliable.

[0038] A DC power distribution cabinet with a redundant module 5 according to this embodiment. The second rectification unit 32 is arranged at the bottom of the first rectification unit 31. The redundant module 5 and the terminal block 6 are arranged side by side at the top of the first rectification unit 31. Through the above arrangement, it is beneficial to complete the wiring of electrical connections with fewer busbars and cables, making the inside of the cabinet neat and beautiful without messy cables.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. A DC power distribution cabinet with a redundant module, characterized in that: Comprising a box body (1); an input switch, a first rectification unit (31), a redundancy module (5) and a terminal block (6) are provided inside the box body (1); The first rectification unit (31) comprises a plurality of rectification modules (4) connected in parallel with each other; the input end of the first rectification unit (31) is connected to the input switch; the output end of the first rectification unit (31) is connected to the input end of the redundancy module (5); the output end of the redundancy module (5) is connected to the terminal block (6); The DC power distribution cabinet with a redundancy module further comprises a second rectification unit (32); the second rectification unit (32) comprises a plurality of rectification modules (4) connected in parallel with each other; the input end of the second rectification unit (32) is connected to the input switch; the output end of the second rectification unit (32) is connected to the input end of the redundancy module (5); The first rectification unit (31) is provided with a first housing (33); the second rectification unit (32) is provided with a second housing (34); the first housing (33) is stacked on the top of the second housing (34); the first housing (33) and the second housing (34) are respectively detachably connected to the box body (1); The first housing (33) is provided with a plurality of first accommodation grooves (35); the second housing (34) is provided with a plurality of second accommodation grooves (36); the first accommodation grooves (35) and the second accommodation grooves (36) are both detachably connected with rectification modules (4).

2. The DC power distribution cabinet with a redundant module according to claim 1, wherein: The input switch comprises a first air switch (21) and a second air switch (22); the input ends of the first rectification unit (31) and the second rectification unit (32) are respectively connected to the first air switch (21) and the second air switch (22).

3. A DC power distribution cabinet with a redundant module according to claim 1, characterized in that: A wire groove (7) is provided inside the box body (1).

4. A DC power distribution cabinet with a redundant module according to claim 3, characterized in that: The wire groove (7) is provided with a plurality of heat dissipation holes (71).

5. The DC power distribution cabinet with a redundant module according to claim 3, wherein: The wire groove (7) semi-surrounds the input switch, the redundancy module (5) and the terminal block (6).

6. The DC power distribution cabinet with a redundant module according to claim 1, wherein: The rectification module (4) is provided with a first clamping block (41) and a second clamping block (42); a clamping groove (43) is formed between the first clamping block (41) and the second clamping block (42); the first accommodation grooves (35) and the second accommodation grooves (36) are both provided with clamping blocks (37) matching with the clamping groove (43).

7. A DC power distribution cabinet with a redundant module according to claim 1, characterized in that: The second rectification unit (32) is arranged at the bottom of the first rectification unit (31); the redundancy module (5) and the terminal block (6) are arranged side by side on the top of the first rectification unit (31).

Images