T-connection type modularized power distribution unit

Abstract

The utility model discloses a T-connection type modularized power distribution unit, which comprises a shell, a first trunk cable, a second trunk cable and a branch cable, a U-shaped base and a communication line module are arranged in the shell, the U-shaped base is fixed on the inner wall of the shell, and the communication line module comprises a plurality of copper bars, a plurality of fixed bases and a plurality of limiting pieces. The plug on the first trunk cable and the socket on the second trunk cable are correspondingly installed end to end, a T-connection type power distribution system can be rapidly assembled, power-on debugging, overall module prefabrication and overall assembly along with equipment can be achieved, additional wiring is not needed, fault points caused by the site construction technology are avoided, the reliability of the power distribution system is greatly improved, and the cost is reduced. The structure is simple, compact and reasonable, all parts are reliably connected, and system fault points are reduced.

Description

Technical Field

[0001] This utility model relates to the field of advanced manufacturing and automation technology, and in particular to a T-connection modular power distribution unit. Background Technology

[0002] To reduce the construction and operating costs of data centers, modularization and prefabrication are inevitable trends. As a crucial system within a data center, the modular design of the power distribution system is particularly significant for both construction and subsequent operation and maintenance. T-junction power distribution, a type of trunk-type power distribution, is highly suitable for large groups of devices with low loads due to its system flexibility, and is therefore widely used in the power distribution of air conditioning systems at the end of data centers.

[0003] Traditional T-connection power distribution systems are complex and difficult to construct on-site, have poor reliability, require cutting the main cable, and increase the number of fault points. In addition, the branch cable interface is generally smaller than that of the main cable. As the location of the main branch diameter change, the local voltage drop often exceeds the standard value due to unreasonable load distribution, which increases the daily loss of the cable. If effective measures are not taken, the reliability of the T-connection power distribution system will be greatly reduced.

[0004] To address the shortcomings of existing technologies, a T-connection modular power distribution unit needs to be designed. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a T-connection modular power distribution unit.

[0006] A T-connected modular power distribution unit includes a housing, a first main cable, a second main cable, and branch cables. The housing contains a U-shaped base and a connecting circuit module. The U-shaped base is fixed to the inner wall of the housing. The connecting circuit module includes several copper busbars, several fixed bases, and several limiting plates. One side of each fixed base is fixed to the U-shaped base, and the limiting plates are arranged on the other side of the fixed bases, located on both sides of the copper busbars, so that the copper busbars are vertically fixed to the fixed bases. The housing has several first mounting holes, second mounting holes, and third mounting holes corresponding to the first main cable, the second main cable, and the branch cables. One end of the first main cable is located on one side of the housing, one end of the second main cable is located on the other side of the housing, and one end of the branch cable is located on the side of the housing adjacent to the first main cable. The first main cable, the second main cable, and the branch cables pass through the first mounting holes, the second mounting holes, and the third mounting holes, respectively, and are connected to the copper busbars for conduction.

[0007] Furthermore, several wires in the first main cable are welded to one end of several copper busbars, several wires in the second main cable are welded to the other end of several copper busbars, and several wires in the branch cable are welded to several copper busbars.

[0008] Furthermore, a plug is provided at the end of the first main cable away from the housing, and a socket is provided at the end of the second main cable away from the housing. The plug and socket are connected through the first main cable, the second main cable, and the copper busbar.

[0009] Furthermore, protective sleeves are provided on the first mounting hole, the second mounting hole, and the third mounting hole, and a hanging ear is provided on the side of the housing opposite to the branch cable.

[0010] Furthermore, the limiting piece is made of PVC. Beneficial effects

[0011] This utility model can be fixedly installed with the terminal equipment. It connects to the power port of the terminal equipment through branch cables. The plug on the first main cable and the socket on the second main cable are installed at the corresponding ends, which can be quickly assembled into a T-connection power distribution system. It can be powered on and debugged immediately. The whole module is prefabricated and can be assembled with the equipment as a whole. No additional wiring is required, which avoids failure points caused by on-site construction process and greatly improves the reliability of the power distribution system. This utility model has a simple, compact and reasonable structure, and the connection of each part is reliable, reducing the system failure points.

[0012] The copper busbar used in this invention can increase the current carrying capacity of the first and second main cables, avoid overload operation of the first and second main cables due to excessive load on branch cables, and the copper busbar has better conductivity and thermal conductivity than traditional cables, which helps to reduce temperature rise, reduce the skin effect, reduce proximity effect, improve conductivity efficiency, and reduce additional losses. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the T-connection modular power distribution unit of this utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the housing of this utility model;

[0015] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;

[0016] Figure 4 This is a three-dimensional structural diagram of the branch cable connection of this utility model;

[0017] In the picture:

[0018] 1. Housing; 2. First main cable; 3. Second main cable; 4. Branch cable; 5. Connecting circuit module; 51. Copper busbar; 52. Fixing base; 53. Limiting plate; 6. Hanging ear. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please refer to Figures 1-4 To address the shortcomings of traditional T-connection power distribution, this embodiment proposes a T-connection modular power distribution unit, including a housing 1, a first main cable 2, a second main cable 3, and branch cables 4. The housing 1 is rectangular, and a U-shaped base and a connecting line module 5 are provided inside the housing 1. The U-shaped base is fixed to the inner wall of the housing 1. The connecting line module 5 includes several copper busbars 51, several fixed bases 52, and several limiting plates 53. The limiting plates 53 are made of PVC. One side of each of the several fixed bases 52 is fixed to the U-shaped base, and the several limiting plates 53 are arranged on the other side of the fixed bases 52 and located on both sides of the copper busbars 51, so that the several copper busbars 51 are vertically fixed on the fixed bases 52. The installation distance of the copper busbars 51 is all at a safe distance. The housing 1 is provided with several first mounting holes, second mounting holes, and third mounting holes corresponding to the first main cable 2, the second main cable 3, and the branch cable 4. One end of the first main cable 2 is located on one side of the housing 1, one end of the second main cable 3 is located on the other side of the housing 1, and one end of the branch cable 4 is located on the side of the housing 1 adjacent to the first main cable 2. The first main cable 2, the second main cable 3, and the branch cable 4 pass through the first mounting holes, the second mounting holes, and the third mounting holes respectively and are connected to the copper busbar 51 for conduction. The branch cable 4 is limited to within 3 meters to increase the reliability of branch operation. The first main cable 2, the second main cable 3, and the branch cable 4 are numbered and arranged in phase sequence and connected to the corresponding equipment to ensure three-phase balance.

[0021] The specific conduction method is as follows: several wires in the first main cable 2 are welded to one end of several copper busbars 51, several wires in the second main cable 3 are welded to the other end of several copper busbars 51, and several wires in the branch cable 4 are welded to several copper busbars 51. The welding method with the copper busbars 51 adopts fusion welding technology. The allowable temperature at the connection can reach 2500 degrees Celsius, which can prevent the solder joint from melting and losing or even detaching when the temperature is too high during a short circuit fault. The copper busbars 51 can increase the current carrying capacity of the first main cable 2 and the second main cable 3, and avoid the first main cable 2 and the second main cable 3 from overloading due to excessive load on the branch cable 4. In addition, the copper busbars 51 have better conductivity and thermal conductivity than traditional cables, which helps to reduce temperature rise, reduce the influence of skin effect, reduce proximity effect, improve conductivity efficiency to 57 MS / m, and reduce additional losses.

[0022] In addition, a plug is provided at the end of the first main cable 2 away from the housing 1, and a socket is provided at the end of the second main cable 3 away from the housing 1. The plug and socket are connected through the first main cable 2, the second main cable 3 and the copper busbar 51. Both the plug and socket are used as external connection terminals, which can realize rapid on-site installation, simple installation operation, reduce construction difficulty, and greatly reduce construction cycle and subsequent operation and maintenance work.

[0023] Furthermore, protective sleeves are provided on the first mounting hole, the second mounting hole, and the third mounting hole. The protective sleeves can prevent wear and breakage at the connection between the first main cable 2, the second main cable 3, and the branch cable 4 and the housing 1, while also preventing the first main cable 2, the second main cable 3, and the branch cable 4 from moving and fixing the cables to avoid electrical safety hazards. The housing 1 is provided with a hanging ear 6 on the side opposite to the branch cable 4, which can achieve quick fixing.

[0024] This utility model can be fixedly installed with the terminal equipment. It is connected to the power port of the terminal equipment through the branch cable 4. The plug on the first main cable 2 and the socket on the second main cable 3 are installed at the corresponding ends. It can be quickly assembled into a T-connection power distribution system and can be powered on and debugged. The whole module is prefabricated and can be assembled with the equipment as a whole without additional wiring. It avoids failure points caused by on-site construction process and greatly improves the reliability of the power distribution system. This utility model has a simple, compact and reasonable structure, and the connection of each part is reliable, reducing the system failure points.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A T-connection modular power distribution unit, characterized in that: The system includes a housing (1), a first main cable (2), a second main cable (3), and branch cables (4). The housing (1) is provided with a U-shaped base and a connecting line module (5). The U-shaped base is fixed to the inner wall of the housing (1). The connecting line module (5) includes several copper busbars (51), several fixed bases (52), and several limiting pieces (53). One side of each of the several fixed bases (52) is fixed to the U-shaped base. The several limiting pieces (53) are arranged on the other side of the fixed bases (52) and located on both sides of the copper busbars (51), so that the several copper busbars (51) are vertically fixed on the fixed bases (52). The housing (1) is provided with a plurality of first mounting holes, second mounting holes and third mounting holes corresponding to the first main cable (2), the second main cable (3) and the branch cable (4). One end of the first main cable (2) is located on one side of the housing (1), one end of the second main cable (3) is located on the other side of the housing (1), and one end of the branch cable (4) is located on the side of the housing (1) adjacent to the first main cable (2). The first main cable (2), the second main cable (3) and the branch cable (4) pass through the first mounting hole, the second mounting hole and the third mounting hole respectively and are connected to the copper busbar (51) for conduction.

2. The T-connection modular power distribution unit according to claim 1, characterized in that: Several wires in the first main cable (2) are welded to one end of several copper busbars (51), several wires in the second main cable (3) are welded to the other end of several copper busbars (51), and several wires in the branch cable (4) are welded to several copper busbars (51).

3. The T-connection modular power distribution unit according to claim 1, characterized in that: The first main cable (2) has a plug at the end away from the housing (1), and the second main cable (3) has a socket at the end away from the housing (1). The plug and socket are connected through the first main cable (2), the second main cable (3) and the copper busbar (51).

4. The T-connection modular power distribution unit according to claim 1, characterized in that: Protective sleeves are provided on the first mounting hole, the second mounting hole and the third mounting hole, and a hanging ear (6) is provided on the side of the housing (1) opposite to the branch cable (4).

5. The T-connection modular power distribution unit according to claim 1, characterized in that: The limiting piece (53) is made of PVC.

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