CN219322036U

CN219322036U - Left U-shaped busbar fixing structure of direct-current electric energy meter

Info

Publication number: CN219322036U
Application number: CN202222815552.0U
Authority: CN
Inventors: 侯明
Original assignee: Suzhou Tongge Electronic Equipment Co ltd
Current assignee: Suzhou Tongge Electronic Equipment Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-07-07
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to the technical field of busbar, and discloses a left U-shaped busbar fixing structure of a direct-current electric energy meter. This female row fixed knot of U-shaped is put to direct current electric energy meter left side constructs, the heat dissipation fan is in operating condition, the flabellum of heat dissipation fan passes the surface of female row of opening flow direction for the circulation of air on female row surface, thereby accelerate the heat dispersion of female row, reduce the temperature of female row, inside the bus duct that the diapire was seted up in the shell is discharged into to the female row, twist the bolt at this moment and rotate in the inside of helicoidal groove, and drive the fly leaf and descend, the grip block receives reset spring's compressibility, carry out the centre gripping to the surface of female row, thereby improve the stability of female row.

Description

Left U-shaped busbar fixing structure of direct-current electric energy meter

Technical Field

The utility model relates to the technical field of busbar, in particular to a left U-shaped busbar fixing structure of a direct current electric energy meter.

Background

The electric energy meter has important importance in industrial production and resident life, the wiring mode affects the safe operation and the service life of the ammeter, and the wiring and fixing structure in use of the current direct current electric energy meter is also in technical improvement.

As disclosed in Chinese patent: u-shaped busbar fixed knot constructs is put to direct current electric energy meter left side, publication No.: CN216903753U is internally provided with a busbar, so that the direct-current electric energy meter can form a good fixed wiring structure and is convenient to maintain, but when the busbar is installed with an electric wire, a great amount of heat is generated due to the current carrying of the busbar, and the heat is accumulated on the busbar, so that the loss of the busbar is easy to reduce, and the service performance of the busbar is reduced.

Example 1: direct current electric energy meter horizontal placement conductive busbar publication number: according to the utility model, the connecting wire is changed into the connecting piece, so that the connecting pieces such as the busbar and the like are firmly fixed, and the problems of temporary wiring and difficult disassembly during installation are greatly reduced.

Disclosure of Invention

The utility model aims to provide a left U-shaped busbar fixing structure of a direct current electric energy meter, which aims to solve the problems in the background technology.

The embodiment of the application adopts the following technical scheme:

the utility model provides a female row fixed knot of U-shaped is put to direct current electric energy meter left side, includes shell, female row and drain pan, including heat abstractor and fixing device, heat abstractor installs the inside that is used for cooling female row at the drain pan, and fixing device installs the inside that is used for fixed female row at the shell, and heat abstractor includes cooling subassembly, and cooling subassembly includes heat dissipation fan and protection network, and a plurality of heat dissipation fans are all installed on the inner bottom wall of drain pan, and the opening has been seted up to the bottom of shell, and the protection network is fixed at open-ended inner wall.

Preferably, the bottom surface of the clamping plate positioned on the busbar is adhered with a rubber protection pad.

Preferably, the fixing device comprises a positioning assembly, the positioning assembly comprises a connecting plate, a bolt, a movable plate, a clamping plate and a reset spring, the connecting plate is fixed on the inner wall of the shell, the bolt is arranged in the middle of the connecting plate, a screw groove for connecting the bolt in a threaded manner is formed in the connecting plate, the bolt is in threaded connection with the screw groove of the connecting plate, the movable plate is rotationally connected to the bottom of the bolt, and a plurality of reset springs are fixed between the movable plate and the reset spring.

The above-mentioned at least one technical scheme that this application embodiment adopted can reach following beneficial effect:

first, when using, the radiator fan is in operating condition, and the flabellum of radiator fan passes the surface that the opening flow direction was female row for the circulation of air on female row surface, thereby quicken the heat dispersion of female row, reduce the temperature of female row.

Secondly, when the bus duct is used, when the bus is discharged into the bus duct formed in the inner bottom wall of the shell, the screw bolt is screwed at the moment to rotate in the screw duct and drive the movable plate to descend, the clamping plate is subjected to the compressibility of the reset spring, the surface of the bus is clamped, and therefore the stability of the bus is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the housing of the present utility model;

FIG. 3 is a schematic diagram of a cooling assembly according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a bottom shell according to the present utility model;

FIG. 5 is a schematic view of a positioning assembly according to the present utility model;

fig. 6 is a schematic view of a connecting plate structure according to the present utility model.

In the figure: the heat sink comprises a shell 1, a busbar 3, a bottom shell 4, a heat radiator 5, a cooling component 51, a heat radiating fan 511, an opening 512, a protection net 513, a fixing device 6, a positioning component 61, a connecting plate 611, bolts 612, screw grooves 613, a movable plate 614, a clamping plate 615, a return spring 616 and a cover plate.

Detailed Description

For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.

Example 1: referring to fig. 1, 2, 3 and 4, a left U-shaped busbar fixing structure of a dc electric energy meter; the heat sink comprises a shell 1, a busbar 3 and a bottom shell 4, and is characterized by comprising a heat sink 5 and a fixing device 6, wherein the heat sink 5 is arranged in the bottom shell 4 and used for cooling the busbar 3, the fixing device 6 is arranged in the shell 1 and used for fixing the busbar 3, the heat sink 5 comprises a cooling component 51, the cooling component 51 comprises cooling fans 511 and a protection net 513, the cooling fans 511 are all arranged on the inner bottom wall of the bottom shell 4, an opening 512 is formed in the bottom of the shell 1, the protection net 513 is fixed on the inner wall of the opening 512, and the bottom of the shell 1 is fixed with the top of the bottom shell 4;

when in use, the heat dissipation fan 511 is in a working state, and the fan blades of the heat dissipation fan 511 pass through the openings 512 to flow to the surface of the busbar 3, so that the air circulation on the surface of the busbar 3 is quickened, the heat dissipation of the busbar 3 is quickened, and the temperature of the busbar 3 is reduced.

Example 2: referring to fig. 1, 2, 3, 5 and 6, on the basis of embodiment 1, the fixing device 6 includes a positioning assembly 61, the positioning assembly 61 includes a connection plate 611, a bolt 612, a movable plate 614, a clamping plate 615 and a return spring 616, the connection plate 611 is fixed on the inner wall of the housing 1, the bolt 612 is disposed in the middle of the connection plate 611, a screw groove 613 for screwing the bolt 612 is formed in the connection plate 611, the bolt 612 is screwed with the screw groove 613 of the connection plate 611, the movable plate 614 is rotatably connected to the bottom of the bolt 612, and a plurality of return springs 616 are fixed between the movable plate 614 and the return spring 616.

When in use, when the busbar 3 is placed in the bus duct formed in the inner bottom wall of the shell 1, the screw bolt 612 is screwed at the moment to rotate in the screw groove 613 and drive the movable plate 614 to descend, the clamping plate 615 is compressed by the return spring 616, and the surface of the busbar 3 is clamped, so that the stability of the busbar 3 is improved.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims

1. The utility model provides a female row fixed knot of U-shaped is put to direct current electric energy meter left side, including shell (1), female row (3) and drain pan (4), a serial communication port, including heat abstractor (5) and fixing device (6), heat abstractor (5) are installed in drain pan (4) and are used for the inside of cooling female row (3), fixing device (6) are installed in shell (1) and are used for the inside of fixed female row (3), heat abstractor (5) are including cooling subassembly (51), cooling subassembly (51) include cooling fan (511) and protection net (513), a plurality of cooling fans (511) are all installed on the inner bottom wall of drain pan (4), opening (512) have been seted up to the bottom of shell (1), protection net (513) are fixed in the inner wall of opening (512).

2. The left-hand U-shaped busbar fixing structure of the direct current electric energy meter according to claim 1, wherein the fixing device (6) comprises a positioning component (61), the positioning component (61) comprises a connecting plate (611), a bolt (612), a movable plate (614), a clamping plate (615) and a return spring (616), the connecting plate (611) is fixed on the inner wall of the shell (1), the bolt (612) is arranged in the middle of the connecting plate (611), a screw groove (613) for screwing the bolt (612) is formed in the connecting plate (611), the bolt (612) is in threaded connection with the screw groove (613) of the connecting plate (611), the movable plate (614) is rotatably connected to the bottom of the bolt (612), and a plurality of return springs (616) are fixed between the movable plate (614) and the return springs (616).

3. The left U-shaped busbar fixing structure of the direct current electric energy meter according to claim 2, wherein a rubber protection pad is adhered to the bottom surface of the clamping plate (615) located on the busbar (3).