CN219394042U

CN219394042U - U-section copper bus assembly for low-voltage power distribution cabinet

Info

Publication number: CN219394042U
Application number: CN202320787760.6U
Authority: CN
Inventors: 唐柄
Original assignee: Wuxi Xiehong Electric Power Technology Co ltd
Current assignee: Wuxi Xiehong Electric Power Technology Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-07-21
Anticipated expiration: 2033-04-11

Abstract

The utility model discloses a U-shaped section copper bus assembly for a low-voltage power distribution cabinet, which comprises a main body mechanism, a mounting assembly and a transmission loss reducing mechanism, wherein the mounting assembly is respectively arranged at two ends of the main body mechanism, the transmission loss reducing mechanism is arranged at the bottoms of the main body mechanism and the mounting assembly, the main body mechanism is a U-shaped section copper bus, wiring screw holes are formed in the U-shaped section copper bus in an equidistant manner, the mounting assembly comprises a U-shaped mounting seat, mounting lugs and U-shaped sockets which are corresponding to the U-shaped section copper bus, and the mounting lugs are respectively integrally arranged at the bottoms of the two ends of the U-shaped mounting seat. The problem of current copper busbar that low-voltage distribution cabinet used does not have good installation component and reduces transmission loss mechanism, when facing the temperature rise, copper busbar's resistance can increase, produces bigger voltage drop when leading to the electric current to pass through copper busbar, influences electric power system's stability and security is solved.

Description

U-section copper bus assembly for low-voltage power distribution cabinet

Technical Field

The utility model relates to the technical field of low-voltage power distribution equipment, in particular to a U-section copper bus assembly for a low-voltage power distribution cabinet.

Background

Copper bus bars in low voltage distribution equipment are an important component in electrical power systems, which function to transfer electrical energy from a generator to a load.

When the copper bus of the electric cabinet runs under high load for a long time, a large amount of heat can be generated, if no cooling part exists, the heat cannot be timely emitted, so that the temperature of the copper bus of the electric cabinet is increased, and when the temperature exceeds the melting point of copper, the copper bus can be melted, and the short circuit or the fault of an electric power system can be caused.

The copper bus of the electric cabinet runs for a long time in a high-temperature environment, fatigue and corrosion are easy to generate, the service life of the copper bus is shortened, if no cooling component exists, the service life of the copper bus of the electric cabinet is shortened, transmission loss is increased, and more frequent replacement and maintenance are needed.

The copper bus used for the existing low-voltage power distribution cabinet has the following defects: there is no mounting assembly for copper bus bars and a mechanism for reducing transmission loss, and when the temperature is raised, the resistance of the copper bus bars is increased, resulting in a larger voltage drop when current passes through the copper bus bars, which affects the stability and safety of the power system. Therefore, we propose a U-shaped section copper busbar assembly for a low-voltage power distribution cabinet.

Disclosure of Invention

The utility model mainly aims to provide a U-shaped section copper bus assembly for a low-voltage power distribution cabinet, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a low-voltage distribution is U type cross-section copper busbar assembly for cabinet, includes main part mechanism, installation component and reduces transmission loss mechanism, the installation component sets up in main part mechanism both ends respectively, reduce transmission loss mechanism and arrange in main part mechanism and installation component's bottom, main part mechanism is U type cross-section copper busbar, the equidistance leaves on the U type cross-section copper busbar and is equipped with the wiring screw, the installation component includes U type mount pad, installation ear and corresponds the U type socket of shape with U type cross-section copper busbar, the installation ear is integrated respectively to set up in the bottom at U type mount pad both ends, U type socket runs through and sets up in U type mount pad middle part, U type cross-section copper busbar's both ends are inserted respectively in the U type socket of corresponding position.

Further, the two ends of the copper bus with the U-shaped section are connected with the U-shaped installation seats at the corresponding positions through bolts.

Further, reduce transmission loss mechanism includes wind box, fan, U template, radiating fin and semiconductor refrigeration piece, the top laminating contact in the top of U template and the U type cross-section copper busbar, the fan passes through the bolt and runs through to be installed in the wind box, exhaust direction between the fan is unanimous, wind box one end is provided with the U type mounting slice integrative therewith, U type mounting slice both ends are connected with U type mount pad installation through the bolt, radiating fin is located the middle part of U template, and radiating fin top and U template integration heat welding are connected.

Further, the top of wind box afterbody is located to U template both ends lid, through bolt installation connection between U template both ends and the wind box that corresponds, U template top equidistance leaves and is equipped with the caulking groove that corresponds with the semiconductor refrigeration piece, the semiconductor refrigeration piece is located the caulking groove, and the refrigeration end of semiconductor refrigeration piece is laminated with the U type cross-section copper busbar in top and is contacted.

Compared with the prior art, the utility model has the following beneficial effects: through main part mechanism, installation component and the subassembly that reduces transmission loss mechanism and constitute, realize providing one set of can reduce the vortex for low-voltage distribution cabinet, improve busbar current-carrying capacity greatly, compare in traditional high thickness type's copper material, can reduce the cost of material, simultaneously can reduce circuit transmission loss by a wide margin, and improve the dynamic and thermal stability in the cabinet body of the low-voltage distribution cabinet that the cooperation used, the dedicated busbar mounting structure of copper busbar of U type cross-section and reduce transmission loss mechanism have been developed, can effectively reduce the temperature rise of copper busbar, solve the copper busbar that current low-voltage distribution cabinet was used does not have good installation component and reduce transmission loss mechanism, when facing the temperature rise, the resistance of copper busbar can increase, produce bigger voltage drop when leading to the electric current to pass through the copper busbar, influence the stability and the security of electric power system's problem.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a copper busbar assembly with a U-shaped cross section for a low-voltage power distribution cabinet.

Fig. 2 is a schematic diagram of a mounting assembly of a copper busbar assembly with a U-shaped cross section for a low-voltage power distribution cabinet.

Fig. 3 is a schematic structural diagram of a mechanism for reducing transmission loss of a copper busbar assembly with a U-shaped cross section for a low-voltage power distribution cabinet.

Fig. 4 is a schematic diagram of a U-shaped mounting seat of a copper busbar assembly with a U-shaped cross section for a low-voltage power distribution cabinet.

Fig. 5 is a schematic diagram of a U-shaped board structure of a copper busbar assembly with a U-shaped cross section for a low-voltage power distribution cabinet.

Fig. 6 is a schematic diagram of a U-section copper busbar structure of a U-section copper busbar assembly for a low-voltage power distribution cabinet according to the present utility model.

Fig. 7 is an enlarged schematic view of a U-section copper busbar assembly for a low voltage power distribution cabinet of fig. 3.

In the figure: 1. a main body mechanism; 101. copper bus with U-shaped section; 102. wiring screw holes; 2. a mounting assembly; 201. a U-shaped mounting seat; 202. a mounting ear; 203. a U-shaped socket; 3. a transmission loss reducing mechanism; 301. a wind box; 302. a fan; 303. u-shaped mounting pieces; 304. a U-shaped plate; 305. a heat radiation fin; 306. a caulking groove; 307. semiconductor refrigerating sheet.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-7, a U-shaped section copper bus assembly for a low-voltage power distribution cabinet comprises a main body mechanism 1, a mounting assembly 2 and a transmission loss reduction mechanism 3, wherein the mounting assembly 2 is respectively arranged at two ends of the main body mechanism 1, the transmission loss reduction mechanism 3 is arranged at the bottoms of the main body mechanism 1 and the mounting assembly 2, the main body mechanism 1 is a U-shaped section copper bus 101, wiring screw holes 102 are formed in the U-shaped section copper bus 101 in an equidistant manner, the mounting assembly 2 comprises a U-shaped mounting seat 201, mounting lugs 202 and a U-shaped insertion opening 203 which corresponds to the U-shaped section copper bus 101, the mounting lugs 202 are respectively integrally arranged at the bottoms of two ends of the U-shaped mounting seat 201, the U-shaped insertion opening 203 penetrates through the middle of the U-shaped mounting seat 201, two ends of the U-shaped section copper bus 101 are respectively inserted into the U-shaped insertion openings 203 at corresponding positions, two ends of the U-shaped section copper bus 101 are connected with the U-shaped mounting seat 201 at the corresponding positions through bolt mounting, and the whole mounting assembly 2 is made of oxidized aluminum materials.

The transmission loss reducing mechanism 3 comprises a wind box 301, a fan 302, a U-shaped plate 304, radiating fins 305 and semiconductor refrigerating sheets 307, wherein the top of the U-shaped plate 304 is in fit contact with the top in the U-shaped section copper bus 101, the fan 302 is installed in the wind box 301 in a penetrating manner through bolts, the exhaust directions among the fans 302 are consistent, one end of the wind box 301 is provided with a U-shaped installation sheet 303 integrated with the wind box 301, two ends of the U-shaped installation sheet 303 are connected with a U-shaped installation seat 201 in a mounting manner through bolts, the radiating fins 305 are positioned in the middle in the U-shaped plate 304, the tops of the radiating fins 305 are connected with the U-shaped plate 304 in a heat welding manner in an integrated manner, two ends of the U-shaped plate 304 are covered on the top of the tail of the wind box 301, two ends of the U-shaped plate 304 are connected with the corresponding wind box 301 through bolt installation, the tops of the U-shaped plate 304 are equidistantly separated from a caulking groove 306 corresponding to the semiconductor refrigerating sheets 307, the semiconductor refrigerating sheets 307 are positioned in the caulking groove 306, and the cold ends of the semiconductor refrigerating sheets 307 are in fit contact with the top in the U-shaped section copper bus 101; based on the arrangement of the fan 302 accelerating the circulation of air and the radiating fins 305 and the semiconductor refrigerating fins 307, the copper bus 101 with the integral U-shaped section can obtain an efficient cooling effect during the use period, and the transmission loss is reduced.

Wherein, the wind box 301, the U-shaped plate 304 and the heat dissipation fins 305 are all made of aluminum oxide materials.

During use, a power supply component in the use environment provides power for an electrical component in the application, heat exchange and cooling treatment is carried out on the U-shaped section copper bus 101 through a heat exchange structure formed by a U-shaped plate 304 and a radiating fin 305 in a transmission loss reducing mechanism 3, and ventilation treatment is carried out on the bottom of a main body mechanism 1 in the same exhaust direction through a fan 302, so that air can be quickly circulated at the bottoms of the U-shaped plate 304 and the radiating fin 305, the effect of outwards discharging heat on the surfaces of the U-shaped plate 304 and the radiating fin 305 is achieved, and simultaneously, the heat exchange effect of the U-shaped plate 307 on the copper bus 101 is improved by the heat exchange structure formed by the U-shaped plate 304 and the radiating fin 305 in the transmission loss reducing mechanism 3, and the heat exchange effect of the cooling fin 305 on the bottom of the main body mechanism 1 is improved by virtue of the heat exchange cooling effect of the U-shaped plate 307, and the heat exchange effect of the cooling fin 305 is improved, and the heat exchange efficiency of the cooling effect of the cooling fin is improved by the cooling fin body 101 is improved, and the cooling effect of cooling of the cooling fin body 101 is improved by the cooling effect of cooling the cooling fin body is improved, and the cooling effect of cooling the cooling fin body 101 is improved by the cooling effect of cooling the cooling fin body is improved by the cooling effect of cooling the bottom of the cooling fin body 1.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a U type cross-section copper busbar subassembly for low-voltage distribution cabinet, includes main part mechanism (1), installation component (2) and reduces transmission loss mechanism (3), its characterized in that, installation component (2) set up respectively in main part mechanism (1) both ends, reduce transmission loss mechanism (3) and lay in the bottom of main part mechanism (1) and installation component (2), main part mechanism (1) is U type cross-section copper busbar (101), the equidistance leaves on U type cross-section copper busbar (101) and is equipped with wiring screw (102), installation component (2) include U type mount pad (201), installation ear (202) and U type socket (203) of the shape corresponding with U type cross-section copper busbar (101), installation ear (202) are integrated respectively and are set up in the bottom at U type mount pad (201) both ends, U type socket (203) run through and set up in U type mount pad (201) middle part, the both ends of U type cross-section copper busbar (101) are inserted respectively and are located in U type socket (203) of corresponding position.

2. The U-section copper busbar assembly for a low voltage power distribution cabinet of claim 1, wherein: the two ends of the U-shaped section copper bus (101) are connected with the U-shaped mounting seats (201) at the corresponding positions through bolts.

3. The U-section copper busbar assembly for a low voltage power distribution cabinet of claim 1, wherein: reduce transmission loss mechanism (3) include wind box (301), fan (302), U template (304), radiating fin (305) and semiconductor refrigeration piece (307), the top laminating contact in U template (304) and U type cross-section copper busbar (101), fan (302) are run through and are installed in wind box (301) through the bolt, the direction of airing exhaust between fan (302) is unanimous, wind box (301) one end is provided with U type mounting piece (303) with it an organic whole, U type mounting piece (303) both ends are connected with U type mount pad (201) installation through the bolt, radiating fin (305) are located middle part in U template (304), and radiating fin (305) top and U template (304) integration heat welding are connected.

4. A U-section copper busbar assembly for a low voltage power distribution cabinet according to claim 3, wherein: the top of wind box (301) afterbody is located at U template (304) both ends lid, install through the bolt between U template (304) both ends and the wind box (301) that correspond and be connected, U template (304) top equidistance leaves and is equipped with caulking groove (306) that correspond with semiconductor refrigeration piece (307), semiconductor refrigeration piece (307) are located caulking groove (306), and the refrigeration end of semiconductor refrigeration piece (307) is laminated with the top in U type cross-section copper busbar (101) and is contacted.