CN211428678U

CN211428678U - Potential difference filtering prevention power equipment box with constant voltage source grounding function

Info

Publication number: CN211428678U
Application number: CN202020221732.4U
Authority: CN
Inventors: 叶晓坚
Original assignee: Anhui State Power Investment And New Power Technology Research Co Ltd
Current assignee: Anhui State Power Investment And New Power Technology Research Co Ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-09-04
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a potential difference preventing filtering power equipment box with a constant voltage source grounding function, the structure of the utility model comprises a heat dissipation port, an electric controller, a box body, an electric appliance bin, a control panel, a clapboard, a supporting frame, a fixing plate and an earthing device, the earthing device with various shielding protections is arranged on the box body of the utility model, the first shielding shell and the second shielding shell are combined and fixed into a whole, which has better effect of shielding magnetic and electric waves, the wiring terminal is connected with the grounding wire, the mounting height of the insulating sleeve is fixed, the movable gap between two ends of the wire body is large, the wire body has a certain wire arranging effect, the wiring has a filter circuit generated when passing through the power supply shielding box, so that the magnetic interference of the output end is electrically attenuated in large amplitude, the shunt current is shunted out in the form of smaller ground impedance, a more stable backflow path and the action of equipotential are provided, the potential difference of the circuit is forced to be reduced, and further the ground protection of the equipment box is improved.

Description

Potential difference filtering prevention power equipment box with constant voltage source grounding function

Technical Field

The utility model relates to a prevent potential difference filtering power equipment case with constant voltage source ground connection function belongs to power equipment technical field.

Background

The power equipment box is also called a power distribution cabinet, the charge and the voltage are balanced under the normal operation condition, if a potential difference is generated, strong interference current can appear, and interference voltage can be caused in the same cable in the box, so that the grounding of a line is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent potential difference filtering power equipment case with constant voltage source ground connection function to solve power equipment case and also be the switch board, electric charge and voltage are balanced under the normal operating condition, if produce the potential difference and can appear very strong interference current, will cause interference voltage to cause the bad problem of circuit ground connection in the same cable of incasement.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a prevent potential difference filtering power equipment case with constant voltage source ground connection function, its structure includes thermovent, electric controller, box, electrical apparatus storehouse, control panel, baffle, support frame, fixed plate, earthing device, establish the electrical apparatus storehouse of combination an organic whole on the box, electrical apparatus storehouse surface has embedded control panel, the control panel is led and is linked together the electric controller, have a plurality of thermovents that the position is unchangeable on the box, the box picture is leaned on the lower part position and is set up the baffle that the mounting height is unchangeable, two centuries of baffle bottom side meet the support frame perpendicularly, the earthing device of independent installation is established to the cavity on the fixed plate surface.

Further, the earthing device includes terminal, first shielding shell, second shielding shell, power cord, insulating cover, power shielding box, earth connection, terminal looks vertical connection electric appliance storehouse and a shielding shell, first shielding shell and second shielding shell combination are fixed an organic whole, second shielding shell connects the power cord mutually, the power cord connects and passes among the embedding insulating cover, insulating cover is installed on power shielding box opening, the inside channel that can supply the earth connection to wear out that forms of power shielding box, first shielding shell is installed in fixed plate surface overhead.

Further, the partition plate is installed at the bottom groove of the corresponding electrical appliance bin.

Further, the electric controller is arranged in the upper cavity of the box body.

Furthermore, the support frame is connected with the fixing plate in a welding mode and integrated with the fixing plate.

Further, the power supply shielding box is mounted at the rear right wall of the first shielding case.

Further, the installation height of the insulating sleeve is fixed.

Advantageous effects

The utility model relates to a prevent potential difference filtering power equipment case with constant voltage source ground function, establish the earthing device that has multiple shielding protection on the box, first shielding shell and the fixed an organic whole of second shielding shell combination, better shielding magnetic wave effect has, the earth connection links to each other through the terminal, insulating cover mounting height is fixed unchangeable, line body both ends installation movable gap is great, certain reason line effect has, the wiring produces filter circuit when having through power shielding box, make output electricity large amplitude decay magnetic interference, go with less ground impedance form branch flow, the effect of more stable backward flow route and equipotential is provided, force the reduction circuit potential difference, and then improve the earth protection to the equipment case.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a potential difference filtering power equipment box with a constant voltage source grounding function according to the present invention;

fig. 2 is a schematic view of the assembly structure of the grounding device of the present invention.

In the figure: the device comprises a heat dissipation opening-1, an electric controller-2, a box body-3, an electric appliance bin-4, a control panel-5, a partition plate-6, a support frame-7, a fixing plate-8, an earthing device-9, a binding post-30, a first shielding shell-31, a second shielding shell-32, a power line-33, an insulating sleeve-34, a power shielding box-35 and a grounding wire-36.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: a potential difference filtering preventing power equipment box with a constant-voltage source grounding function structurally comprises a heat dissipation port 1, an electric controller 2, a box body 3, an electric appliance bin 4, a control panel 5, a partition plate 6, a support frame 7, a fixing plate 8 and an earthing device 9, wherein the electric appliance bin 4 is integrally combined with the box body 3, the surface of the electric appliance bin 4 is provided with an embedded control panel 5, the control panel 5 is connected with the electric controller 2 in a conduction mode, the box body 3 is provided with a plurality of heat dissipation ports 1 with unchanged positions, the partition plate 6 with unchanged installation height is arranged at the position close to the lower part of a diagram of the box body 3, the bottom side of the partition plate 6 is connected with the support frame 7 in a two-hundred year mode, an earthing device 9 which is independently installed is arranged on the surface of the fixing plate 8, the earthing device 9 comprises a binding post 30, a first shielding shell 31, a second shielding shell 32, a power line 33, an insulating sleeve 34, a power, the first shielding shell 31 and the second shielding shell 32 are combined and fixed into a whole, the second shielding shell 32 is connected with a power line 33, a joint of the power line 33 penetrates through and is embedded into an insulating sleeve 34, the insulating sleeve 34 is installed on an opening end of a power shielding box 35, a channel through which a grounding wire 36 can penetrate is formed inside the power shielding box 35, the first shielding shell 31 is installed on a vacant position on the surface of a fixing plate 8, a partition plate 6 is installed at a bottom groove of a corresponding electrical appliance bin 4, the electric controller 2 is installed in an upper cavity of a box body 3, the supporting frame 7 is connected with the fixing plate 8 into a whole in a welding mode, the power shielding box 35 is installed on the right rear wall of a diagram of the first shielding shell 31, and the installation height of the insulating sleeve 34 is fixed.

The binding post 30 described in this patent is connected to a ground line 36, and when passing through a power shielding box 35, a filter circuit is generated, so that the magnetic interference at the output end is greatly attenuated, and the magnetic interference is shunted out in a form of smaller ground impedance, thereby providing a more stable backflow path and an equipotential effect, and forcing to reduce the circuit potential difference.

For example: when using, establish the earthing device 9 that has multiple shielding protection on the box 3, first shielding shell 31 and the fixed an organic whole of second shielding shell 32 combination, better shielding magnetic wave effect has, through terminal 30 looks ground connection 36, insulating cover 34 mounting height is fixed unchangeable, line body both ends installation movable gap is great, certain reason line effect has, the wiring has produces filter circuit when passing through power shielding box 35, make the big range decay magnetic interference of output electricity, go with less ground impedance form branch flow, the effect of more stable backward flow route and equipotential has been provided, force to reduce the circuit potential difference, and then improve the ground protection to the equipment box.

The utility model provides a problem be power equipment case also known as switch board, electric charge and voltage are balanced under the normal operating condition, if produce the potential difference can appear very strong interference current, will cause interference voltage to cause circuit ground bad in the same cable of incasement, the utility model discloses a mutually make up of above-mentioned parts, provide the effect of more stable backward flow route and equipotential, force the reduction circuit potential difference, and then improve the earth protection to the equipment case.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a prevent potential difference filtering power equipment case with constant voltage source ground connection function, its structure includes thermovent (1), automatically controlled ware (2), box (3), electrical apparatus storehouse (4), control panel (5), baffle (6), support frame (7), fixed plate (8), earthing device (9), its characterized in that:

the electric appliance cabinet is characterized in that an integrated electric appliance cabinet (4) is arranged on the box body (3), an embedded control panel (5) is arranged on the surface of the electric appliance cabinet (4), the control panel (5) is connected with the electric controller (2) in a guiding mode, a plurality of heat dissipation ports (1) with unchanged positions are arranged on the box body (3), a partition plate (6) with unchanged installation height is arranged at the position close to the lower part of a diagram of the box body (3), a support frame (7) is vertically connected to the bottom side of the partition plate (6) for two hundred years, and an independently installed grounding device (9) is arranged on the upper cavity.

2. The potential difference filtering preventing power equipment box with the constant-voltage source grounding function according to claim 1, characterized in that: the ground connector (9) comprises a binding post (30), a first shielding shell (31), a second shielding shell (32), a power line (33), an insulating sleeve (34), a power shielding box (35) and a ground wire (36), the binding post (30) is connected with the electric appliance cabin (4) and the shielding shell (31) in a perpendicular mode, the first shielding shell (31) and the second shielding shell (32) are combined and fixed into a whole, the second shielding shell (32) is connected with the power line (33), the power line (33) is connected with the embedded insulating sleeve (34), the insulating sleeve (34) is installed on an opening end of the power shielding box (35), a channel which can be penetrated out by the ground wire (36) is formed inside the power shielding box (35), and the first shielding shell (31) is installed at a surface overhead position of a fixing plate (8).

3. The potential difference filtering preventing power equipment box with the constant-voltage source grounding function according to claim 1, characterized in that: the partition plate (6) is arranged at the bottom groove of the corresponding electrical appliance bin (4).

4. The potential difference filtering preventing power equipment box with the constant-voltage source grounding function according to claim 1, characterized in that: the electric controller (2) is arranged in an upper cavity of the box body (3).

5. The potential difference filtering preventing power equipment box with the constant-voltage source grounding function according to claim 1, characterized in that: the support frame (7) is connected with the fixing plate (8) in a welding mode into a whole.