CN220210827U - Mounting structure of signal shielding module - Google Patents

Abstract

The utility model relates to the technical field of shielding devices, in particular to a mounting structure of a signal shielding module, which comprises the following components: the support seat comprises a plurality of side walls, wherein the side walls are connected end to form a ventilation channel comprising an air inlet and an air outlet, and the surfaces of the side walls are used for installing the signal transmitting module; the side walls are symmetrically distributed around the central axis of the supporting seat, and radiating fins are arranged on one sides of the side walls, which are far away from the signal transmitting module, and each radiating fin comprises a sheet structure extending into the ventilation channel. The mounting structure provided by the utility model comprises a plurality of side walls which are symmetrically distributed in the center, and each shielding device module is distributed in a circumferential array after being mounted on the side walls, so that compared with the linear arrangement mode in the prior art, the mounting structure has the advantages of compactness and heat dissipation efficiency, and is beneficial to producing the shielding devices with smaller volume and stronger heat dissipation.

Description

Mounting structure of signal shielding module

Technical Field

The utility model relates to the technical field of shielding devices, in particular to a mounting structure of a signal shielding module.

Background

The signal shielding device mainly adopts fixed site installation (wall-mounted or floor-mounted), vehicle-mounted or backpack design and scans from the low end frequency to the high end of a forward channel at a certain speed aiming at various places where mobile phones are forbidden, such as examination rooms, schools, gas stations, prisons, secret places, military bases and the like. The scanning speed can form disorder code interference in a message signal received by the mobile phone, and the mobile phone cannot detect normal data sent from the base station, so that the mobile phone cannot establish connection with the base station, and the phenomena of no signal, no service system and the like are presented.

The power of the current shielding device is generally 12W to 480W, and the high-power signal shielding device adopted for special areas such as prisons, military bases and the like is required to have large coverage range, and overlapping areas are arranged between the mutually covered areas so as to avoid shielding gaps.

It can be seen that, with the development of communications, the frequency bands of signals are more and more, when people want to shield signals in all frequency bands, the more antennas are needed, the more antennas in the existing shielding device are usually arranged in a manner of a heat dissipation plate, and the fan ventilation is arranged at the bottom, however, when the number of the antennas is increased by expanding the antennas again, the size of the shielding device is increased, which is obviously disadvantageous to both a manufacturing end and a user end.

Disclosure of Invention

The utility model provides an installation structure of a signal shielding module, which comprises the following components:

the support seat comprises a plurality of side walls, wherein the side walls are connected end to form a ventilation channel comprising an air inlet and an air outlet, and the surfaces of the side walls are used for installing the signal transmitting module;

wherein, a plurality of lateral walls are central symmetry and distribute around the supporting seat axis.

Preferably, a side of the side wall away from the signal transmitting module is provided with a heat radiation fin, and the heat radiation fin comprises a sheet structure extending into the ventilation channel.

Preferably, the heat dissipation fin comprises a plurality of sheet structures perpendicular to the side wall, wherein the heights of the plurality of sheet structures change from the first end to the second end in the width direction of the side wall.

Preferably, the line segment connecting the intersection points of two adjacent side walls is defined along the axial direction of the supporting seat to divide the ventilation channel into a plurality of heat dissipation areas, each heat dissipation area corresponds to one side wall, and the heat dissipation fins are located in the heat dissipation areas corresponding to the side walls.

Preferably, the upper end of the side wall is provided with a stepped groove configured to extend toward the ventilation passage.

Preferably, the fan is arranged on the base and used for blowing air to the bottom of the ventilation channel.

Preferably, the base is further provided with an electric connector, a first end of the electric connector extends to the lower end face of the base, and a second end of the electric connector extends to the upper end face of the base.

Preferably, a column is provided at a corner of the side wall, and a mounting hole is formed between the column and the side wall.

Preferably, the base is provided with a limit column, and the limit column is arranged on the outer side of the upright post.

Preferably, the support base comprises an aluminum structure.

Compared with the prior art, the utility model has the advantages that:

the mounting structure provided by the utility model comprises a plurality of side walls which are symmetrically distributed in the center, and each shielding device module is distributed in a circumferential array after being mounted on the side walls, so that compared with the linear arrangement mode in the prior art, the mounting structure has the advantages of compactness and heat dissipation efficiency, and is beneficial to producing the shielding devices with smaller volume and stronger heat dissipation.

Drawings

The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the utility model will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of a signal shielding module of the present utility model mounted to a mounting structure;

FIG. 2 is a schematic view of a mounting structure for a signal shielding module of the present utility model;

FIG. 3 is a schematic view of the structure of the support base of the present utility model;

fig. 4 is a top view of the support base of the present utility model.

Detailed Description

For a better understanding of the technical content of the present utility model, specific examples are set forth below, along with the accompanying drawings.

The frequency range of the shielding signals required at present is larger and larger, the number of the required antennas is increased, the antennas are arranged in an in-line mode, the arrangement mode is unfavorable for centralized heat dissipation, more antennas can only increase the volume of the shielding devices, and the shielding module mounting structure provided by the utility model aims at miniaturizing and compacting each shielding device, reducing the volume of the shielding devices and improving the heat dissipation performance.

Referring to fig. 1, the present utility model provides a mounting structure of a signal shielding module, which includes a supporting seat 20, wherein the supporting seat 20 includes a plurality of side walls 201, a ventilation channel 221 including an air inlet and an air outlet is defined by the end-to-end connection of the plurality of side walls 201, the surface of the side walls 201 is used for mounting a signal transmitting module 31, and the plurality of side walls 201 are distributed in a central symmetry around a central axis of the supporting seat 20.

Further, a base 11 is disposed below the supporting seat 20, and a fan 12 is disposed in the base 11 for blowing air into the ventilation channel 221, thereby improving heat dissipation effect.

In a specific embodiment, 6 signal shielding modules are installed on one supporting seat 20, the 6 signal shielding modules are distributed in a circumferential array, ventilation channels 221 are formed on the inner side, the heat generation of the signal shielding modules arranged in this way is relatively concentrated, the blowing range of the fan 12 is covered to the 6 signal shielding modules, and the heat generated by the signal shielding modules can be taken away.

Preferably, the 6 signal shielding modules are distributed in a circumferential array about the axis of the fan 12.

In other embodiments, the number of signal shielding modules may be selected to be 2-8.

Specifically, the signal shielding module includes a signal transmitting module 31 and an antenna 32, and when the signal transmitting module 31 is powered, a shielding signal with a predetermined frequency band is generated and transmitted by the antenna 32.

In an alternative embodiment, the base 11 is provided with an electrical connector 13, the electrical connector 13 being configured to be connected at a first end to an external power plug and at a second end to the fan 12, the signal shielding module.

Optionally, the electrical connector 13 is fixed to the base 11, and the base 111 is injection molded of plastic material.

Specifically, as shown in fig. 3-4, the support base 20 is configured to be a hollow column, especially a polyhedral column, for example, a hexahedral column structure as shown in the drawing, and includes six side walls 201, positioning columns 21 are disposed at corners where the two side walls 201 meet, and a mounting hole 211 for mounting a signal shielding module is formed inside each two positioning columns 21, and the signal transmitting module 31 can be mounted in the mounting hole 211 and is closely attached to the side walls 201.

Further, screw holes are formed in the side walls 201, the surface of each side wall 201 is used for installing a signal transmitting module 31, the signal transmitting module 31 is a PCB board with a signal transmitting circuit, the screw holes are formed in the PCB board, the PCB board can be fixed to the surface of the side wall 201 through screws, and when the signal transmitting module 31 runs at high power, heat is transferred to the side wall 201 in a heat conduction mode.

Wherein each signal emitting module 31 is independently mounted to one side wall 201 for easy maintenance for individual replacement.

Further, the inner side of each side wall 201 is provided with a heat dissipation fin 22, and ventilation channels 221 are formed on the inner side of the support base 20 and around the heat dissipation fins 22.

Thus, when heat is transferred to the side wall 201 and then transferred to the radiator fins 22, the air flow blown by the fan 12 is carried out by the radiator fins 22.

The heat dissipation fins 22 include a plurality of parallel fins, and the fins are perpendicular to the side wall 201, so that the heat dissipation fins 22 have a larger contact area with the air flow in the ventilation channel 221, which is beneficial to improving the heat dissipation performance.

As shown in fig. 4, the heat radiation fins 22 include a plurality of sheet-like structures perpendicular to the side wall 201, wherein the heights of the plurality of sheet-like structures have a low-high-low variation trend from the first end to the second end in the width direction of the side wall 201.

Further, along the axial direction of the support base 20, a line segment defining an intersection point of two adjacent side walls 201 divides the ventilation channel 221 into a plurality of heat dissipation areas, each heat dissipation area corresponds to one side wall 201, wherein the heat dissipation fins 22 are located in the heat dissipation area corresponding to the side wall 201. In this way, a maximum space using the ventilation channel 221 can be ensured.

Further, since the volume of the antenna 32 (cylindrical shape) is larger than that of the signal emitting module 31 (flat plate shape), the upper portion of the side wall 201 is provided with a step groove 212, the signal emitting module 31 is attached to the outer wall of the side wall 201, and the antenna 32 is located in the step groove 212. Thus, the assembly space can be more compact and the volume is smaller.

Preferably, the support base 20 is made of aluminum, and has good thermal conductivity.

In the above embodiment, the heat dissipation fins 22 are disposed corresponding to the positions of the mounting holes 211, and the antenna units are distributed in a circumferential array, so that the heat is concentrated to the positions of the ventilation channels 221, and the concentrated heat is carried away by a single fan 12, so that the heat dissipation for the signal emission module 31 is more efficient and compact.

In a specific embodiment, the heat conduction path is that the signal emitting module 31 emits heat and conducts the heat to the heat dissipating fins 22, all six heat dissipating fins 22 are in the air flow channel generated by the fan 12, and the air flow generated by the fan flows through the heat dissipating fins 22 to take out the heat.

Referring to fig. 3, an upright post 21 is disposed at the outer side of the mounting hole 211 to limit and protect the position of the signal emitting module 31, and meanwhile, a limit post 14 is disposed on the base 11, the limit post 14 is disposed at the outer side of the upright post 21, and a screw hole is further disposed on the limit post 14, and a power supply circuit board can be disposed between the two limit posts 14 to control the power and the switch of each signal emitting module 31 in the shielding unit.

In combination with the above embodiment, the mounting structure provided by the utility model comprises a plurality of side walls which are distributed in a central symmetry manner, and each shielding device module is distributed in a circumferential array after being mounted on the side walls, so that compared with the linear arrangement mode in the prior art, the mounting structure has the advantages of compact structure and heat dissipation efficiency, and is beneficial to producing the shielding devices with smaller volume and stronger heat dissipation.

While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present utility model. Accordingly, the scope of the utility model is defined by the appended claims.

Claims (10)

1. A mounting structure of a signal shielding module, comprising:

the support seat (20) comprises a plurality of side walls (201), wherein the end-to-end of the side walls (201) are surrounded to form a ventilation channel (221) comprising an air inlet and an air outlet, and the surface of the side wall (201) is used for installing a signal transmitting module (31);

the side walls (201) are symmetrically distributed around the central axis of the supporting seat (20).

2. The mounting structure of a signal shielding module according to claim 1, characterized in that the side wall (201) is provided with cooling fins (22) on the side facing away from the signal transmission module (31), which cooling fins (22) comprise a sheet-like structure extending into the ventilation channel (221).

3. The mounting structure of the signal shielding module according to claim 2, wherein the heat radiation fin (22) includes a plurality of sheet-like structures perpendicular to the side wall (201), wherein a height of the plurality of sheet-like structures is in a low-high-low variation trend from a first end to a second end in a width direction of the side wall (201).

4. The mounting structure of the signal shielding module according to claim 2, wherein a line segment defining an intersection of two adjacent side walls (201) along an axial direction of the support base (20) divides the ventilation channel (221) into a plurality of heat dissipation areas, each of the heat dissipation areas corresponding to one of the side walls (201), wherein the heat dissipation fins (22) are located in the heat dissipation area corresponding to the side wall (201).

5. The mounting structure of the signal shielding module according to claim 1, wherein an upper end of the side wall (201) is provided with a stepped groove (212), the stepped groove (212) being configured to extend toward the ventilation passage (221).

6. The mounting structure of the signal shielding module according to claim 1, further comprising a base (11), wherein a fan (12) is provided on the base (11), and the fan (12) is configured to blow air to the bottom of the ventilation channel (221).

7. The mounting structure of a signal shielding module according to claim 6, wherein an electrical connector (13) is further provided on the base (11), a first end of the electrical connector (13) extends to a lower end face of the base (11), and a second end of the electrical connector (13) extends to an upper end face of the base (11).

8. The mounting structure of a signal shielding module according to claim 6, characterized in that a pillar (21) is provided at a corner of the side wall (201), and a mounting pocket (211) is formed between the pillar (21) and the side wall (201).

9. The mounting structure of a signal shielding module according to claim 8, wherein a limit post (14) is provided on the base (11), and the limit post (14) is provided outside the upright (21).

10. The mounting structure of a signal shielding module according to claim 1, wherein the support base (20) comprises an aluminum structure.