CN215070349U - Filter - Google Patents

Abstract

The application provides a filter, it includes body and shielding lid, this internal resonant cavity that is provided with, the shielding lid is fixed in the body to seal the resonant cavity. The bottom of the resonant cavity is provided with a plurality of lead-out holes, connecting columns are embedded in the lead-out holes and are used for being abutted to contacts on the circuit board. The body is provided with a first supporting surface and a second supporting surface, the second supporting surface is lower than the first supporting surface in the direction perpendicular to the top surface of the body, a first step surface is formed between the second supporting surface and the first supporting surface, more than two antenna ports are arranged on the first step surface, and a wiring harness led out from the antenna ports is supported by the second supporting surface. The wave filter that this application embodiment provided through making the spliced pole direct with the contact butt on the circuit board, has avoided adopting the pencil to connect and has caused the waste in space often, makes the installation of wave filter can occupy less space, simultaneously, through setting up the second holding surface, can realize the support and the restraint to the pencil, avoids pencil and other parts to interfere.

Description

Filter

Technical Field

The application relates to the technical field of filters, in particular to a filter.

Background

With the coming of the 5G era, space on site towers is in tension. The filter is an indispensable important component of a station tower, however, the existing filter has a large overall size, and the wiring of the filter needs to lead out long wiring harnesses outside the filter, wherein one part of the wiring harnesses needs to be connected with contacts on a circuit board, and the other part of the wiring harnesses needs to be connected with an external device or an electrical component. The wiring harness positioned outside the filter is not supported, the problems of wiring harness winding, interference with other parts and the like are easy to occur, and the scattered wiring harness occupies a larger space.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a filter to solve among the above-mentioned prior art filter occupation space big, do not have the support, easily appear interfering winding scheduling problem.

The application provides a filter, which comprises a body and a shielding cover, wherein a resonant cavity is arranged in the body, and the shielding cover is fixed on the body so as to seal the resonant cavity;

the bottom of the resonant cavity is provided with a plurality of lead-out holes, connecting columns are embedded in the lead-out holes and are used for being abutted to contacts on a circuit board;

the antenna is characterized in that a first supporting face and a second supporting face are arranged on the body, the second supporting face is perpendicular to the direction of the top face of the body and is lower than the first supporting face, a first step face is formed between the second supporting face and the first supporting face, more than two antenna ports are formed in the first step face, and therefore wiring harnesses led out from the antenna ports pass through the second supporting face to be supported.

In one possible design, a plurality of first supporting ribs and a plurality of second supporting ribs are arranged at the bottom of the body, and the first supporting ribs and the second supporting ribs are intersected to form a grid shape.

In one possible design, the first support rib is provided with a groove.

In one possible design, the shielding cover is fixedly connected with the body through a screw.

In a possible design, the first step surface is further provided with a test port.

In a possible design, a limiting boss is arranged on the second supporting surface, and a second step surface is formed between the limiting boss and the second supporting surface.

In one possible design, a limiting block is arranged on the second step surface, and an arc-shaped surface is arranged on the limiting block.

In one possible design, a handle is provided on the first support surface.

The technical scheme provided by the application can achieve the following beneficial effects:

the application provides a wave filter, through making the spliced pole direct with the contact butt on the circuit board, avoided adopting the pencil to connect the waste that causes the space often, make the installation of wave filter can occupy less space, simultaneously, through setting up the second holding surface, can realize the support and the restraint to the pencil, avoid pencil and other parts to interfere.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 is a schematic structural diagram (one) of a filter provided in this embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic structural diagram (two) of the filter provided in this embodiment;

FIG. 4 is a partial enlarged view (one) of FIG. 3;

fig. 5 is a partially enlarged view (ii) of fig. 3.

Reference numerals:

100-body;

110-a first support surface;

120-a second support surface;

130-a first step face;

140-a limit boss;

141-a second step surface;

142-a stopper;

150-antenna port;

160-a handle;

170-leading out holes;

200-a shielding cover;

300-first support ribs;

310-a groove;

400-second support ribs;

500-connecting column.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

As shown in fig. 1 to 5, an embodiment of the present application provides a filter, which includes a body 100 and a shielding cover 200, wherein a resonant cavity is disposed in the body 100, and the shielding cover 200 is fixed to the body 100 to enclose the resonant cavity. The bottom of the resonant cavity is provided with a plurality of leading-out holes 170, a connecting column 500 is embedded in the leading-out holes 170, and the connecting column 500 is used for being abutted to contacts on a circuit board. The connecting column 500 is provided with a contact end which only slightly protrudes out of the lead-out hole 170, when the filter covers the circuit board, the contact end on the connecting column 500 is contacted with a contact on the circuit board, so that connection is realized, namely, a wire harness does not need to be led out when the filter is connected with the circuit board, so that the arrangement space of the wire harness is saved, and the whole arrangement space of the filter is effectively saved.

In addition, the body 100 is provided with a first supporting surface 110 and a second supporting surface 120, in a direction perpendicular to the top surface of the body 100, the second supporting surface 120 is lower than the first supporting surface 110, a first step surface 130 is formed between the second supporting surface 120 and the first supporting surface 110, the first step surface 130 is provided with more than two antenna ports 150, a wiring harness led out from the antenna ports 150 is supported by the second supporting surface 120, and the antenna ports 150 are radio frequency antenna ports 150. It can be understood that the first step surface 130 faces the side of the filter, the wiring harness led out from the antenna port 150 can be supported on the second supporting surface 120, and the wiring harness can be prevented from bending and collapsing downwards by the support of the second supporting surface 120, and meanwhile, the wiring harness can be concentrated on the second supporting surface 120, and the wiring harness can be prevented from interfering with other surrounding electrical components.

From this, for prior art, the wave filter that this application embodiment provided, through set up spliced pole 500 in the below of body 100, spliced pole 500 can be directly with the contact butt on the circuit board to avoid adopting the pencil to connect the waste that causes the space often, make the installation of wave filter can occupy less space, simultaneously, through setting up second holding surface 120, can realize the support and the restraint to the pencil in antenna hole, avoid pencil and other parts to interfere.

The two radio frequency antenna ports 150 are an ANT1 port and an ANT2 port, and can output high-power radio frequency signals with two different frequency points respectively, and wireless coverage of 5G broadband signals can be performed in an effective area after the high-gain antenna is externally connected. In addition, the body 100 is further provided with a power supply port, a LAN port, a GPS port, a WAN1 port and a WAN2 port, the power supply port can be powered by a direct current 48V power supply, the LAN port can manage equipment by using a network cable, the GPS port can be externally connected with a GPS antenna for base station synchronous time service, a panel indicator lamp can display the working state of the base station, the WAN1 port supports a highest 10Gbps rate optical module, the WAN2 port supports a highest 25bps rate optical module, and the optical modules can be connected to the core network in an optical fiber mode.

Further, the bottom of the body 100 is provided with a plurality of first support ribs 300 and a plurality of second support ribs 400, and the first support ribs 300 and the second support ribs 400 intersect to form a grid shape. This first support muscle 300 and second support muscle 400 can support in the non-wiring region of circuit board, can realize the support to the wave filter on the one hand, guarantee simultaneously only that spliced pole 500 can contact with the contact on the circuit board, and on the other hand can realize that the circuit board has and keeps certain clearance between great area and the wave filter, is favorable to the heat dissipation, prolongs the life of circuit board and wave filter.

Further, be provided with recess 310 on the first support muscle 300, because first support muscle 300 need with the regional butt of non-wiring on the circuit board, through setting up recess 310, can realize the circulation of air between the body 100 of wave filter and the circuit board, avoid the heat to gather.

Further, the shield cover 200 is fixedly coupled to the body 100 by screws. Thereby facilitating the assembly and disassembly of the shielding cover 200 and the body 100 and the enclosure of the components in the resonant cavity.

Further, a test port is further disposed on the first step surface 130, the test port can test the filter, and a lead-out wire of the test port can be disposed on the second supporting surface 120.

Specifically, the second supporting surface 120 is provided with a limit boss 140, and a second step surface 141 is formed between the limit boss 140 and the second supporting surface 120. When the body 100 is mounted on a circuit board, the second step surface 141 can be abutted against a corresponding module on the circuit board to realize mounting and positioning of the body 100, and meanwhile, a wiring harness led out from the test port can be supported on the limiting boss 140 to be separated from the wiring harness led out from the antenna port 150, so that winding among the wiring harnesses is avoided.

Further, a limiting block 142 is arranged on the second step surface 141, and an arc-shaped surface is arranged on the limiting block 142. After the body 100 and the circuit board are mounted, the limiting block 142 can limit the mounting between the body 100 and the circuit board in the length direction of the second stepped surface 141, so that relative dislocation between the body 100 and the circuit board is avoided, and meanwhile, the problems of scratching and the like of parts on the circuit board can be avoided through the arc-shaped surface on the limiting block 142.

It will be appreciated that to facilitate movement of the filter, a handle 160 may be provided on the first support surface 110.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (8)

1. A filter, comprising a body (100) and a shielding cover (200), wherein a resonant cavity is arranged in the body (100), and the shielding cover (200) is fixed to the body (100) to close the resonant cavity;

the bottom of the resonant cavity is provided with a plurality of leading-out holes (170), connecting columns (500) are embedded in the leading-out holes (170), and the connecting columns (500) are used for being abutted to contacts on a circuit board;

the novel antenna is characterized in that a first supporting face (110) and a second supporting face (120) are arranged on the body (100), the first supporting face (110) is perpendicular to the direction of the top face of the body (100), the second supporting face (120) is lower than the first supporting face (110), a first step face (130) is formed between the second supporting face (120) and the first supporting face (110), more than two antenna ports (150) are formed in the first step face (130), and wiring harnesses led out from the antenna ports (150) are supported by the second supporting face (120).

2. The filter according to claim 1, wherein the bottom of the body (100) is provided with a plurality of first supporting ribs (300) and a plurality of second supporting ribs (400), and the first supporting ribs (300) and the second supporting ribs (400) intersect to form a grid shape.

3. A filter according to claim 2, characterised in that the first support rib (300) is provided with a groove (310).

4. A filter according to claim 1, characterised in that the shielding cover (200) is fixedly connected to the body (100) by means of screws.

5. The filter of claim 1, wherein the first step surface (130) is further provided with a test port.

6. The filter according to claim 5, characterized in that the second support surface (120) is provided with a limit boss (140), and a second step surface (141) is formed between the limit boss (140) and the second support surface (120).

7. The filter according to claim 6, wherein a stopper (142) is disposed on the second step surface (141), and an arc-shaped surface is disposed on the stopper (142).

8. A filter according to claim 1, characterised in that a handle (160) is provided on the first support surface (110).

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