阅读说明：本技术 一种低通结构、滤波器及通信设备 (Low-pass structure, filter and communication equipment ) 是由 刘学鑫 于 2020-05-22 设计创作，主要内容包括：本申请公开了一种低通结构、滤波器及通信设备,该低通结构设置于滤波器,该低通结构至少包括：第一低通结构体以及第二低通结构体,第一低通结构体与第二低通结构体相对于滤波器的腔体底壁直立设置。通过此种方式,第一低通结构体与第二低通结构体相对于滤波器的底壁直立设置,设置时不会受到滤波器腔体的长宽限制,能够提高装配低通结构的空间利用率。因此,在相同的腔体空间内,本申请的低通结构能够设置更多的低通结构体,满足对于低通结构体的装配长度要求。(The application discloses low pass structure, wave filter and communication equipment, this low pass structure sets up in the wave filter, and this low pass structure includes at least: the filter comprises a first low-pass structural body and a second low-pass structural body, wherein the first low-pass structural body and the second low-pass structural body are vertically arranged relative to the bottom wall of a cavity of the filter. Through this kind of mode, first low pass structure and second low pass structure are for the diapire of wave filter upright setting, can not receive the length and width restriction of wave filter cavity during the setting, can improve the space utilization who assembles the low pass structure. Therefore, in the same cavity space, the low-pass structure can be provided with more low-pass structures, and the requirement on the assembly length of the low-pass structures is met.)

1. The low-pass structure is arranged on a filter, and at least comprises a first low-pass structural body and a second low-pass structural body, wherein the first low-pass structural body and the second low-pass structural body are vertically arranged relative to the bottom wall of a cavity of the filter.

2. The low-pass structure according to claim 1, wherein the low-pass structure further comprises at least one connected low-pass seat, the connected low-pass seat at least comprises a first low-pass seat, a second low-pass seat and a first base, the first low-pass seat is used for assembling a first low-pass structural body, and the second low-pass seat is used for assembling a second low-pass structural body; the first low-pass seat and the second low-pass seat are vertically arranged relative to the bottom wall of the cavity of the filter, one end of the first low-pass seat and one end of the second low-pass seat are arranged on the first base, and the first low-pass seat and the second low-pass seat are arranged adjacently.

3. A low-pass structure according to claim 2,

the connected low-pass base further comprises a first connecting sheet, and the first connecting sheet is fixed on the first base and used for connecting the first low-pass structural body and the second low-pass structural body;

the bottom of the first base is provided with an opening, the connected low-pass seat further comprises a sealing sheet, and the sealing sheet is arranged on the opening and used for sealing the connected low-pass seat.

4. A low-pass structure according to claim 2,

the inner wall of the first low through seat and the inner wall of the second low through seat are both provided with insulating layers.

5. A low-pass structure according to claim 2,

the low-pass structure further comprises a third low-pass structure body, the connected low-pass seat further comprises a third low-pass seat and a second base, the third low-pass seat is used for assembling the third low-pass structure body, the other end of the second low-pass seat and one end of the third low-pass seat are arranged on the second base, and the third low-pass seat and the second low-pass seat are arranged adjacently.

6. A low-pass structure according to claim 5,

the connecting body low-pass seat further comprises a second connecting piece, and the second connecting piece is fixed to the second base and used for connecting the second low-pass structural body and the third low-pass structural body.

7. A low-pass structure according to claim 5,

the length that the first connector low leads to the seat is greater than the second low pass seat and the length that the third low leads to the seat, first low lead to the seat first end set up in the cavity, the other end that the first low leads to the seat set up in outside the cavity, the second low lead to the seat with the third low lead to the seat all set up in the cavity.

8. A low-pass structure according to claim 5,

the low-pass structure further comprises a fourth low-pass structure body, the connected low-pass base further comprises a fourth low-pass base and a third connecting piece, the fourth low-pass base is horizontally arranged relative to the bottom wall of the filter, and the third connecting piece is used for connecting the third low-pass structure body with the fourth low-pass structure body.

9. A filter, characterized in that it comprises at least:

a cavity, a low-pass structure disposed in the cavity, wherein the low-pass structure is as claimed in any one of claims 1 to 8.

10. A communication device, characterized in that the communication device comprises a low-pass structure according to any of claims 1-8.

Technical Field

The present application relates to the field of communications technologies, and in particular, to a low-pass structure, a filter, and a communication device.

Background

In the field of communications, particularly radio frequency communications, cavity filters are widely used as a frequency selective device. The cavity filter can be used for selecting communication signals, filtering out clutter or interference signals outside the frequency of the communication signals, and is widely applied to the aspects of information processing, data transmission, interference suppression and the like.

The cavity filter generally includes a low pass filter, which is an electronic device that passes a desired signal while rejecting unwanted frequency signals. The low-pass filter comprises a connector and a low-pass structure, the low-pass structure comprises a low-pass structural body, and the low-pass structural body is assembled in an insulating tube arranged in the cavity to realize the assembly of the low-pass structural body.

On one hand, the position of the low-pass structural body is limited by the length and width direction of the cavity filter, and even if the middle section of the low-pass structural body is bent, the space in the cavity cannot be fully utilized, so that the length of the low-pass structural body is very limited, and the length and width direction of the cavity cannot meet the requirement on the assembly length of the low-pass structural body; on the other hand, the low-pass structures are not tightly assembled, and the space of the cavity cannot be fully utilized, so that more low-pass structures cannot be assembled in the same space.

Disclosure of Invention

The application provides a low-pass structure, a filter and a communication device, which aim to solve the technical problems.

In order to solve the technical problem, the application adopts a technical scheme that: providing a low-pass structure comprising at least: the filter comprises a first low-pass structural body and a second low-pass structural body, wherein the first low-pass structural body and the second low-pass structural body are vertically arranged relative to the bottom wall of a cavity of the filter.

Further, the low-pass structure at least comprises a connected low-pass seat, the connected low-pass seat at least comprises a first low-pass seat, a second low-pass seat and a first base, the first low-pass seat is used for assembling a first low-pass structural body, and the second low-pass seat is used for assembling a second low-pass structural body; the first low through seat and the second low through seat are vertically arranged relative to the bottom wall of the cavity of the filter, one end of the first low through seat and one end of the second low through seat are arranged on the first base, and the first low through seat and the second low through seat are arranged adjacently.

Furthermore, the connected low-pass seat also comprises a first connecting sheet which is fixed on the first base and used for connecting the first low-pass structural body and the second low-pass structural body; the bottom of the first base is provided with an opening, and the conjoined low-pass seat further comprises a sealing sheet which is arranged on the opening and used for sealing the conjoined low-pass seat.

Further, the inner wall of the first low through seat and the inner wall of the second low through seat are both provided with insulating layers.

Further, the low-pass structure further comprises a third low-pass structure body, the connected low-pass seat further comprises a third low-pass seat and a second base, the third low-pass seat is used for assembling the third low-pass structure body, the other end of the second low-pass seat and one end of the third low-pass seat are arranged on the second base, and the third low-pass seat and the second low-pass seat are arranged adjacently.

Furthermore, the connected low-pass seat further comprises a second connecting piece, and the second connecting piece is fixed on the second base and used for connecting the second low-pass structural body and the third low-pass structural body.

Further, the length that the seat was led to the first low seat of link is greater than the length that the seat was led to the second low seat and the third is low, and the first end that leads to the seat is set up in the cavity to the first low, and the other end that leads to the seat is set up outside the cavity to the first low, and the seat is led to all to set up in the cavity with the third low seat that leads to the second low.

Further, the low-pass structure further comprises a fourth low-pass structure body, the connected low-pass base further comprises a fourth low-pass base and a third connecting piece, the fourth low-pass base is horizontally arranged relative to the bottom wall of the filter, and the third connecting piece is used for connecting the third low-pass structure body and the fourth low-pass structure body.

In order to solve the above technical problem, the present application further provides a filter, where the filter at least includes a cavity and a low-pass structure disposed in the cavity, and the low-pass structure is any one of the above low-pass structures.

In order to solve the above technical problem, the present application further provides a communication device including a low-pass structure, where the low-pass structure is any one of the low-pass structures.

The application has at least the following beneficial effects: the first low-pass structure body and the second low-pass structure body are vertically arranged relative to the bottom wall of the filter, the length and the width of the cavity are not limited during arrangement, and the space utilization rate of the low-pass structure can be improved. Therefore, in the same cavity space, the low-pass structure can be provided with more low-pass structures, and the requirement on the assembly length of the low-pass structures is met.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is an assembly view of a conventional low pass structure;

FIG. 2 is a schematic diagram of a first embodiment of the low pass architecture of the present application;

FIG. 3 is a schematic structural view of an integral low pass pad of a second embodiment of the low pass structure of the present application;

FIG. 4 is a schematic diagram of a second embodiment of the low pass architecture of the present application;

FIG. 5 is a schematic structural view of a low pass structure of the present application;

FIG. 6 is an assembly schematic of the first connecting tab of the low pass structure of the present application;

FIG. 7 is a schematic cross-sectional view of an integral low pass seat of a third embodiment of the low pass structure of the present application;

fig. 8 is a schematic structural diagram of an embodiment of the filter of the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive step are within the scope of the present application.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1, fig. 1 is an assembly diagram of a conventional low pass structure.

As shown in fig. 1, two low-pass structures are disposed in the cavity 105 of the cavity filter. The low-pass structures 102 and 109 of the low-pass filter are respectively disposed in the insulating tubes 101 and 110, the low-pass structures 102 and 109 are respectively connected to the connector 104 via connecting pieces 103 and 107, and the low-pass structures 102 and 109 of the low-pass filter are respectively connected to connecting lines 106 and 108.

Since the installation of the insulating tubes 101 and 110 is limited by the length and width direction of the cavity 105 of the cavity filter, the space of the cavity 105 cannot be fully used even if the insulating tubes 101 and 110 are bent, and therefore, the installation length of the insulating tubes 101 and 110 is very limited, and the requirement for the assembly length of the low-pass structures 102 and 109 cannot be satisfied.

The application provides a low pass structure 1, low pass structure 1 sets up in the wave filter, can improve the space utilization of assembly low pass structure body, and then satisfies low pass structure 1 to the assembly length requirement of low pass structure body.

Referring to fig. 2, fig. 2 is a schematic structural diagram of a first embodiment of a low-pass structure 1 according to the present application.

As shown in fig. 2, the low-pass structure 1 is provided in a filter, and the low-pass structure 1 includes at least a first low-pass structural body 14 and a second low-pass structural body 15. Specifically, the low-pass structure 1 is disposed in the cavity S of the filter, one end of the first low-pass structure 14 is disposed outside the cavity S of the filter, the other end of the first low-pass structure is disposed in the cavity S of the filter, the second low-pass structure 15 is disposed in the cavity S, and the first low-pass structure 14 and the second low-pass structure 15 are disposed upright relative to the bottom wall L of the cavity S of the filter.

More specifically, the first low-pass structural body 14 and the second low-pass structural body 15 are disposed perpendicularly with respect to the bottom wall L of the cavity S of the filter.

In this way, the first low-pass structural body 14 and the second low-pass structural body 15 are arranged upright relative to the bottom wall L of the filter, and are not limited by the length and width of the cavity S during arrangement, so that the space utilization rate of the low-pass structure 1 can be improved. Therefore, in the same cavity space, the low-pass structure 1 of the present application can be provided with more low-pass structures, and the requirement for the assembly length of the low-pass structures is met.

As shown in fig. 3, fig. 3 is a schematic structural diagram of an integrated low-pass seat 10 of a second embodiment of the low-pass structure 1 of the present application.

On the basis of the first embodiment of the low-pass structure 1, the low-pass structure 1 of the present embodiment further includes an integrated low-pass seat 10. The conjoined low-through seat 10 includes a first low-through seat 11, a second low-through seat 12 and a first base 13, and one end of the first low-through seat 11 and one end of the second low-through seat 12 are disposed on the first base 13. The first low through seat 11, the second low through seat 12 and the first base 13 are integrally formed to ensure the stability of the conjoined low through seat 10.

The first low-pass seat 11 and the second low-pass seat 12 are vertically arranged relative to the bottom wall of the filter cavity. In some preferred embodiments, the first low-pass seat 11 and the second low-pass seat 12 are disposed perpendicular to the bottom wall of the cavity of the filter. Of course, in some other embodiments, the first low through seat 11 and the second low through seat 12 may also be disposed at an angle inclined from the bottom wall of the filter cavity.

Wherein, the first low through seat 11 is adjacent to the second low through seat 12. Specifically, the first low-voltage through seat 11 is disposed in contact with a side wall of the second low-voltage through seat 12.

The first low-pass seat 11 and the second low-pass seat 12 are arranged vertically relative to the bottom wall of the cavity of the filter, so that the cavity space can be fully utilized without being limited by the length and width directions of the filter; the first low-pass seat 11 and the second low-pass seat 12 are arranged on the same base 13, and the side walls of the first low-pass seat and the second low-pass seat are arranged in a contact manner, so that the assembly space of the low-pass structural body is fully utilized, and a longer low-pass structural body can be assembled in a limited assembly space; therefore, the connected low-pass seat 10 of the low-pass structure 1 provided by the application can meet the requirement on the assembly length of the low-pass structure.

Referring to fig. 4, fig. 4 is a schematic structural diagram of a second embodiment of the low-pass structure 1 of the present application.

As shown in fig. 4, the first low pass structure 14 is mounted to the first low pass seat 11 and the second low pass structure is mounted 15 to the second low pass seat 12.

Referring to fig. 5, fig. 5 is a schematic structural diagram of a low pass structure.

As shown in fig. 5, the low pass structural body includes a metal main rod 41, a metal disc 42, and a connecting rod 43, wherein the metal disc 42 is disposed on the metal main rod 41, and the connecting rod 43 is disposed on a side of the metal disc 42 away from the metal main rod 41. The first low-pass structural body 14 and the second low-pass structural body 15 disclosed in the present embodiment have the same structure.

Further, the inner cavities of the first low-pass seat 11 and the second low-pass seat 12 are both cylindrical and are adapted to a low-pass structure, and therefore the space required by assembly is reduced.

When the first low-pass structural body 14 and the second low-pass structural body 15 are assembled, the second low-pass structural body 15 is assembled on the first base 13 from the end, away from the first base 13, of the second low-pass seat 12, and then the first low-pass structural body 14 is assembled on the first base 13 from the end, away from the first base 13, of the first low-pass seat 11. After the assembly is completed, the metal disc of the first low-pass structural body 14 is in contact with the inner wall of the first low-pass seat 11, and the metal disc of the second low-pass structural body 15 is in contact with the inner wall of the second low-pass seat 12.

With reference to fig. 2 and fig. 6, fig. 5 is an assembly diagram of the first connecting piece 16 of the low pass structure 1 of the present application.

The connected low-pass base 10 of the low-pass structure 1 further comprises a first connecting piece 16, and the first connecting piece 16 is fixed on the first base 13 and used for connecting the first low-pass structural body 14 and the second low-pass structural body 15.

Both ends of the first connecting piece 16 are provided with through holes, and after the assembly is completed, the connecting rod of the first low-pass structural body 14 and the connecting rod of the second low-pass structural body 15 are arranged in the through holes to connect the first low-pass structural body 14 and the second low-pass structural body 15.

Further, please refer to fig. 2 and fig. 6, an opening is disposed at the bottom of the first base 13, and the connected low-voltage socket 10 further includes a sealing sheet 17, wherein the sealing sheet 17 is disposed at the opening for sealing the connected low-voltage socket 10. Through the arrangement of the sealing sheet 17, the sealing performance of the conjoined low-pass seat 10 is guaranteed, and radio frequency signals are prevented from being leaked from the conjoined low-pass seat 10.

Further, referring to fig. 4, the inner walls of the first low-voltage through seat 11 and the second low-voltage through seat 12 are both provided with an insulating layer 181, so as to realize the insulating isolation between the radio-frequency signal and the connected low-voltage through seat 10.

The embodiment has at least the following beneficial effects: on the other hand, the first low-pass seat 14 and the second low-pass seat 15 are disposed on the first base 13 and are disposed adjacent to each other, so that the first low-pass structural body 14 and the second low-pass structural body 15 are disposed closely. On the other hand, the first low-pass seat 14 and the second low-pass seat 12 are disposed upright with respect to the bottom wall of the cavity, and the arrangement of the low-pass structure is not limited by the length and width of the filter cavity. Therefore, the low-pass structure 1 can improve the space utilization rate of assembling the low-pass structure, and more low-pass structures can be assembled in the same assembling space, thereby satisfying the requirement for the assembling length of the low-pass structure.

Referring to fig. 7, fig. 6 is a schematic cross-sectional view of an integrated low-pass seat 10 according to a third embodiment of the low-pass structure 1 of the present application.

On the basis of the second embodiment of the low-pass structure 1 provided by the present application, the low-pass structure 1 of the present embodiment further includes a third low-pass structure body (not shown), the conjoined low-pass seat 10 further includes a third low-pass seat 18 and a second base 131, the other end of the second low-pass seat 12 and one end of the third low-pass seat 18 are disposed on the second base 131, the third low-pass seat 18 is disposed adjacent to the second low-pass seat 12, and the third low-pass seat 18 is used for assembling the third low-pass structure body.

The third low through seat 18 is disposed adjacent to the second low through seat 12, specifically, the third low through seat 18 is disposed in contact with a side wall of the second low through seat 12.

Wherein, the length that the seat 11 is led to the first low seat 11 of connecting body is greater than the low seat 12 and the low seat 18 that leads to of third of second length, and first low seat 11 first end that leads to sets up in the cavity, and the other end that leads to the seat 11 of first low sets up outside the cavity, and the low seat 12 that leads to of second and the low seat 18 that leads to of third all set up in the cavity.

Further, the conjoined low-pass base 10 further includes a second connecting piece 19, and the second connecting piece 19 is fixed on the second base 131 and is used for connecting the second low-pass structural body 15 and a third low-pass structural body (not shown).

For specific arrangement of the third low-pass seat 18, the third low-pass structural body, and the second connecting piece 19, reference may be made to the related contents of the first embodiment, and details are not repeated here.

In the second embodiment, when the second base 131 and the third low-pass structure are assembled, the second base 131 is first disposed at the other end of the second low-pass seat 12 and one end of the third low-pass seat 18, and then the third low-pass structure is assembled on the second base 131 from the end of the third low-pass seat 18 far away from the second base 131. After the assembly is completed, the metal plate of the third low-pass structural body is in contact with the inner wall of the third low-pass seat 18, and the connecting rod of the second low-pass structural body 15 and the connecting rod of the third low-pass structural body are arranged in the through hole of the second connecting piece 19 to connect the second low-pass structural body 15 and the third low-pass structural body.

Of course, in some other embodiments, the number of the low-pass seats is not limited to three, and may be set according to actual situations.

In a specific implementation manner, based on the third embodiment of the low-pass structure 1, the low-pass structure 1 further includes a fourth low-pass structure body, a fourth low-pass seat and a third connecting piece, the fourth low-pass seat is horizontally disposed relative to the bottom wall of the cavity of the filter, and the third connecting piece is used for connecting the third low-pass structure body and the fourth low-pass structure body. The low-pass seat is vertically arranged and horizontally arranged, so that the low-pass seat can adapt to cavities of different shapes, and the space of the cavity is fully utilized.

In another specific implementation manner, based on the third embodiment of the low-pass structure 1, the low-pass structure 1 further includes a fourth low-pass structure body, and a fourth low-pass seat, a third base and a third connecting piece, wherein one end of the fourth low-pass seat and the other end of the third low-pass seat 18 are disposed on the third base, and the fourth low-pass seat and the third low-pass seat 18 are disposed adjacent to each other, and the third connecting piece is used for connecting the third low-pass structure body and the fourth low-pass structure body.

The embodiment of the present application further provides a filter 20, where the filter 20 at least includes: the low pass structure 1 is disposed in the cavity, and the low pass structure 1 is the low pass structure 1 disclosed in the above embodiments.

Referring to fig. 8, fig. 8 is a schematic structural diagram of an embodiment of the filter 20 of the present application.

The filter 20 includes a cavity 21 and a low-pass structure 1 disposed in the cavity 21, where the low-pass structure 1 is the low-pass structure 1 of the first embodiment. Of course, in some other embodiments, the low-pass structure 1 may also be the low-pass structure 1 of the second embodiment described above.

The beneficial effects of this embodiment have at least: the filter 20 includes a cavity 21 and a low-pass structure 1, and a low-pass base of the low-pass structure 1 is vertically disposed relative to a bottom wall of the cavity 21 and adjacently disposed on the base. Therefore, for prior art, on the one hand, through all setting up the low seat in the base to make its lateral wall contact setting, and then abundant utilization the assembly space. On the other hand, compared with the prior art that the low-pass structural body is horizontally arranged in the cavity, the low-pass base is vertically arranged relative to the cavity 21 in the embodiment, so that the assembly of the low-pass structural body is not limited by the length and width directions of the filter 20, and the utilization rate of the assembly space of the low-pass structural body is further improved.

Embodiments of the present application further provide a communication device, which includes the low-pass structure 1 disclosed in any of the above embodiments.

The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.