CN213029102U - Full electromagnetic shielding structure - Google Patents

Abstract

The utility model relates to a full electromagnetic shielding structure, including high potential device and conductive rubber, high potential device includes upper cover, lower cover and fastening connection spare, is equipped with recess an and recess b on the lower terminal surface of upper cover and on the up end of lower cover respectively, and the upper cover passes through the fastening connection spare with the lower cover and is detachable continuous to make recess an and recess b constitute the through-hole, and in the through-hole was worn to establish by the high-voltage line, be equipped with conductive rubber in the clearance between the pore wall of through-hole and the high-voltage line. The beneficial effects are that: utilize conductive rubber's characteristic, connect high potential device and high-voltage line through conductive rubber to guaranteed high potential device's shielding structure, the electric current can make high-voltage line and high potential device keep the equipotential through conductive rubber simultaneously, reduced material cost, and made things convenient for the installation, satisfied customer's demand.

Description

Full electromagnetic shielding structure

Technical Field

The utility model relates to a high tension line electromagnetic shield field, concretely relates to full electromagnetic shielding structure.

Background

With the popularization of high-voltage line equipment, a high-voltage device needs to be installed on a high-voltage line, a spacer is needed between the high-voltage device and the high-voltage line, a plastic spacer is commonly used at present, then the high-voltage line and the high-voltage device are connected through a connecting line, so that the high-voltage line and the high-voltage device are kept at the same potential, and openings such as an antenna, a joint and the like are arranged at each position of the high-voltage device.

The problems with this approach are:

1. rubber and plastic gaskets can damage the integrity of the electromagnetic shielding structure, so that electromagnetic interference is leaked into the equipment;

2. on-site wiring is needed, and overhead operation is complicated;

3. openings such as antennas in various locations of the high potential device can also compromise the structural integrity of the electromagnetic shield.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a full electromagnetic shielding structure is provided to overcome not enough among the above-mentioned prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a full electromagnetic shielding structure, includes high potential device and conductive rubber, and high potential device includes upper cover, lower cover and fastening connection spare, is equipped with recess an and recess b on the lower terminal surface of upper cover and the up end of lower cover respectively, and the upper cover passes through the fastening connection spare with the lower cover and is detachable continuous to each other to make recess an and recess b constitute the through-hole, in the through-hole was worn to establish by the high-voltage line, was equipped with conductive rubber in the clearance between the pore wall of through-hole and the high-voltage line.

The utility model has the advantages that: utilize conductive rubber's characteristic, connect high potential device and high-voltage line through conductive rubber to guaranteed high potential device's shielding structure, the electric current can make high-voltage line and high potential device keep the equipotential through conductive rubber simultaneously, reduced material cost, and made things convenient for the installation, satisfied customer's demand.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, conductive rubber includes colloid a and colloid b, and colloid a and colloid b set up respectively in recess a and recess b, have the wiring hole that holds the high-voltage line between colloid a and the colloid b.

Adopt above-mentioned further beneficial effect to do: the high-voltage wire is convenient to wrap.

Furthermore, the top of the upper cover is provided with an antenna, a metal gasket net is arranged between the antenna and the upper cover, a via hole is arranged on the metal gasket net, and a signal wire of the antenna penetrates through the via hole to enter the upper cover and is connected with a circuit board in the upper cover in series.

Further, the metal mat net is a copper net.

Furthermore, the aperture of the through hole arranged on the metal pad net is smaller than or equal to the diameter of the signal wire of the antenna.

The beneficial effects of adopting the three steps are as follows: the metal gasket net can seal the opening of the upper cover, and the electromagnetic shielding integrity of the high-potential device is ensured.

Furthermore, the fastening connection piece comprises a hinge and a bolt, one end of the upper cover is connected with one end of the lower cover through the hinge, and one end, far away from the hinge, of the upper cover is connected with one end, far away from the hinge, of the lower cover through the bolt.

Adopt above-mentioned further beneficial effect to do: the whole structure is conveniently fixed on a high-voltage line.

Drawings

Fig. 1 is a cross-sectional view of the all-electromagnetic shielding structure of the present invention;

FIG. 2 is a structural view of FIG. 1 with the conductive rubber removed;

FIG. 3 is a diagram of the application of the all-electromagnetic shielding structure of the present invention;

fig. 4 is a top view of the metal mat according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the high-potential device comprises a high-potential device 110, an upper cover 111, grooves a and 112, an antenna 120, a lower cover 121, grooves b and 130, a fastening connecting piece 131, a hinge 132, a bolt 2, conductive rubber 210, colloid a and 220, colloid b and 230, wiring holes 3, high-voltage wires 4, a metal gasket net 410 and via holes.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1 to 4, a full electromagnetic shielding structure includes a high potential device 1 and conductive rubber 2, the high potential device 1 includes an upper cover 110, a lower cover 120 and a fastening connector 130, a groove a111 is provided on a lower end surface of the upper cover 110, a groove b121 is provided on an upper end surface of the lower cover 120, the upper cover 110 and the lower cover 120 are detachably connected through the fastening connector 130, after the upper cover 110 and the lower cover 120 are connected through the fastening connector 130, the groove a111 and the groove b121 form a through hole, a high voltage wire 3 is inserted into the through hole, the conductive rubber 2 is provided in a gap between a hole wall of the through hole and the high voltage wire 3, and the conductive rubber 2 is formed by injection of conductive particles added into silicone rubber.

Example 2

As shown in fig. 1 to 4, this embodiment is a further improvement on embodiment 1, and is specifically as follows:

the conductive rubber 2 comprises a colloid a210 and a colloid b220, the colloid a210 and the colloid b220 are respectively arranged in the groove a111 and the groove b121, a wiring hole 230 for accommodating the high-voltage wire 3 is arranged between the colloid a210 and the colloid b220, and the sectional dimension of the wiring hole 230 is usually slightly smaller than that of the high-voltage wire 3, so that the conductive rubber 2 can be in close contact with the high-voltage wire 3.

Example 3

As shown in fig. 1 to 4, this embodiment is a further improvement on embodiment 1 or 2, and is specifically as follows:

the top of the upper cover 110 is provided with an antenna 112, a metal gasket 4 is arranged between the antenna 112 and the upper cover 110, a via hole 410 is arranged on the metal gasket 4, and a signal line of the antenna 112 passes through the via hole 410 to enter the upper cover 110 and is connected with a circuit board in the upper cover 110 in series.

Typically, the metal backing net 4 is preferably a copper net.

The diameter of the through hole 410 formed on the metal mat 4 is smaller than or equal to the diameter of the signal line of the antenna 112, and in general, the diameter of the signal line of the antenna 112 is 3mm, so the diameter of the through hole 410 formed on the metal mat 4 is smaller than or equal to 3 mm.

Example 4

As shown in fig. 1 to 4, this embodiment is a further improvement on the basis of embodiment 1, 2 or 3, and specifically includes the following steps:

the fastening connector 130 includes a hinge 131 and a bolt 132, an end of the upper cover 110 is connected to an end of the lower cover 120 by the hinge 131, and an end of the upper cover 110 away from the hinge 131 is connected to an end of the lower cover 120 away from the hinge 131 by the bolt 132.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (6)

1. The full electromagnetic shielding structure is characterized by comprising a high potential device (1) and conductive rubber (2), wherein the high potential device (1) comprises an upper cover (110), a lower cover (120) and a fastening connecting piece (130), a groove a (111) and a groove b (121) are respectively arranged on the lower end face of the upper cover (110) and the upper end face of the lower cover (120), the upper cover (110) and the lower cover (120) are detachably connected through the fastening connecting piece (130), so that the groove a (111) and the groove b (121) form a through hole, a high-voltage wire (3) penetrates through the through hole, and the conductive rubber (2) is arranged in a gap between the hole wall of the through hole and the high-voltage wire (3).

2. An all-electromagnetic shielding structure according to claim 1, wherein the conductive rubber (2) comprises a colloid a (210) and a colloid b (220), the colloid a (210) and the colloid b (220) are respectively disposed in the groove a (111) and the groove b (121), and a wiring hole (230) for accommodating a high-voltage wire (3) is formed between the colloid a (210) and the colloid b (220).

3. An all-electromagnetic shielding structure according to claim 2, wherein the top of the top cover (110) has an antenna (112), a metal gasket mesh (4) is disposed between the antenna (112) and the top cover (110), a via hole (410) is disposed on the metal gasket mesh (4), and a signal line of the antenna (112) passes through the via hole (410) to enter the top cover (110) and is connected in series with a circuit board located in the top cover (110).

4. An all-electromagnetic shielding structure according to claim 3, characterized in that said metallic gasket mesh (4) is a copper mesh.

5. An all-electromagnetic shielding structure according to claim 3 or 4, wherein the aperture of the through hole (410) formed on the metal gasket mesh (4) is smaller than or equal to the diameter of the signal line of the antenna (112).

6. An all-electromagnetic shielding structure according to any one of claims 1 to 4, wherein the fastening connector (130) comprises a hinge (131) and a bolt (132), one end of the upper cover (110) is connected to one end of the lower cover (120) via the hinge (131), and one end of the upper cover (110) remote from the hinge (131) is connected to one end of the lower cover (120) remote from the hinge (131) via the bolt (132).

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