CN113708032B

CN113708032B - Filter and communication equipment

Info

Publication number: CN113708032B
Application number: CN202010437915.4A
Authority: CN
Inventors: 龚爱强
Original assignee: Anhui Tatfook Technology Co Ltd
Current assignee: Anhui Dafu Electromechanical Technology Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2023-01-31
Anticipated expiration: 2040-05-21
Also published as: CN113708032A

Abstract

The application discloses a filter and communication equipment. The filter comprises at least one signal transmission piece, the signal transmission piece is provided with an installation part, one side of the installation part is provided with a groove and used for lapping the cable inner cores, a notch communicated with the groove is further formed in the side wall of the installation part, and at least part of the cable inner cores are located in the notch. Through the mode, the welding of the signal transmission piece and the cable inner core can be more reliable, and the safety of the filter can be improved.

Description

Filter and communication equipment

Technical Field

The present application relates to the field of communications technologies, and in particular, to a filter and a communications device.

Background

In communications facilities, the signal is followed the antenna end through each position of equipment and is come out, need to guarantee that the signal needs to connect reliably when passing through every position, for example, the welding can not appear rosin joint, few solder joint scheduling problem.

However, in the existing scheme, when the cable that comes out from the antenna end is connected with the connecting rod or the low-pass overlap joint section, weld the inner core through the welding groove, after inner core and low-pass overlap joint, because the welding groove is darker for the distance between cable inner core and the welding plane is great, causes the rosin joint easily when welding, and is difficult to discover, has great potential safety hazard.

Disclosure of Invention

The technical problem that this application mainly solved provides a wave filter and communication equipment, simple structure, and can make the welding more reliable.

In order to solve the technical problem, the general inventive concept of the present application is to reduce the distance between the cable inner core and the welding plane, so as to achieve the effect of simultaneously heating and welding the cable inner core and the welding platform, and preventing the cold joint, wherein one technical scheme adopted by the present application is as follows: the utility model provides a filter, this filter includes at least one signal transmission spare, and signal transmission spare is provided with the installation department, and one side of this installation department is provided with the recess for the overlap joint cable inner core, still be provided with the breach with the recess intercommunication on the lateral wall of installation department, at least some cable inner cores are located the breach.

Wherein, a C-shaped chamfer is arranged on the side wall of the mounting part to form a notch.

Wherein, the width of breach is greater than the width of cable inner core.

Wherein, the wave filter still includes the cavity, and the installation department is located the cavity, is provided with on the cavity and dodges the groove in order to expose the installation department.

Wherein, still be provided with the fixed column on the cavity, the fixed column is located one side of installation department for fixed cable inner core.

The filter also comprises a fixing block which is positioned in the cavity and used for fixing the mounting part.

Wherein, the recess is U type groove.

In order to solve the above technical problems, and based on the same inventive concept, another technical solution adopted by the present application is: a filter is provided, the filter comprising at least one signal transmission member provided with a mounting portion including at least one exposed mounting surface for mounting and soldering a cable core.

Wherein, the installation surface is a plane.

In order to solve the above technical problems, and based on the same inventive concept, the present application adopts another technical solution: there is provided a communication device comprising a filter according to any of the above embodiments.

The beneficial effect of this application is: different from the situation of the prior art, the filter comprises at least one signal transmission piece, wherein an installation part is arranged on the signal transmission piece, a groove is formed in one side of the installation part and used for lapping the inner core of the cable, a notch communicated with the groove is further formed in the side wall of the installation part, and at least part of the inner core of the cable is located in the notch; in addition, the filter has simple structure and low manufacturing cost.

Drawings

Fig. 1 is a partial structural schematic diagram of a first embodiment of a filter provided in the present application;

FIG. 2 is a schematic diagram of a partial top view of the filter of FIG. 1;

FIG. 3 is a partial cross-sectional view of the filter of FIG. 1;

FIG. 4 is an enlarged view taken at circle A in FIG. 3;

FIG. 5 is a schematic diagram of a portion of a second embodiment of a filter provided in the present application;

FIG. 6 is a schematic diagram of a partial top view of the filter of FIG. 5;

FIG. 7 is a partial cross-sectional view of the filter of FIG. 5;

FIG. 8 is an enlarged view taken at circle B of FIG. 7;

fig. 9 is a schematic structural diagram of an embodiment of a communication device provided in the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are referred to in the embodiments of the present application, the directional indications are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

Technical solutions between various embodiments may be combined with each other, but must be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

Referring to fig. 1 and fig. 2, fig. 1 is a partial schematic structural diagram of an embodiment of a filter provided in the present application, and fig. 2 is a partial schematic structural diagram of a top view of the filter in fig. 1, where the filter includes at least one signal transmission element, and the signal transmission element is used for being connected with a cable 17 to transmit signals. The signal transmission member comprises a mounting portion 11, a groove (not labeled in the figure) is arranged on one side of the mounting portion 11, the groove is used for overlapping a cable core 13 of a cable 17, and a notch 12 communicated with the groove is further arranged on the side wall of the mounting portion 11, so that the cable core 13 is welded through the notch 12. At least part of the cable core 13 is located in the notch 12 to expose the cable core 13 so that the welding plane of the mounting portion 11 is not lower than the cable core 13.

The mounting portion 11 of the signal transmission member is a portion of the signal transmission member for connecting with the cable core 13, for example, the mounting portion 11 may be located at an end of the signal transmission member, and the signal transmission member may be a low-pass structural body or a connecting rod.

Among the prior art scheme, behind the overlap joint of cable inner core 13 and the installation department 11 of wave filter, because of the space is little and installation department 11 welding groove is darker, cable inner core 13 is less than the welding plane of this signal transmission spare, and the chromium iron head can only heat installation department 11, can not heat cable inner core 13, consequently, when the welding, soldering tin has not yet flowed below and has cooled off, causes upper portion tin to have piled up and the lower part rosin joint, and is difficult to discover, exists great potential safety hazard.

In the present embodiment, as further shown in fig. 3 and 4, fig. 3 is a partial sectional view of the signal transmission element in fig. 1, fig. 4 is an enlarged view of a circle a in fig. 3, a notch 12 on the mounting portion 11 is used for welding a cable core 13, and at least a part of the cable core 13 is located in the notch 12, so that a soldering iron can heat the cable core 13 and the mounting portion 11 simultaneously from the notch 12 when soldering is performed, even though the welding plane of the mounting portion 11 can be lower than that of the cable core 13. As shown in fig. 4, when soldering, the tin 2 forms a tin wrap around the circumference of the cable core 13, so that the soldering is more reliable. And the gap 12 can ensure that the soldering tin 2 can be fully filled between the installation part 11 and the cable inner core 13, and the shape of the welding spot is controllable.

Specifically, the mounting portion 11 may include a bottom wall (not shown) and a side wall (not shown) on the bottom wall, the bottom wall and the side wall forming a groove. One end of the cable inner core 13 is inserted into the groove to be welded, and the groove in the installation part 11 can be a U-shaped groove to facilitate processing and quick assembly and disassembly of the cable inner core 13. In other embodiments, the recess may also be cylindrical to increase the ability of the mounting portion 11 to withstand external stresses. The depth of the groove can be selected according to actual needs.

Further, the notch 12 is formed on the side wall of the mounting portion 11 so that the notch 12 communicates with the groove. Wherein the shape of the gap 12 can be square, trapezoid, circle, semicircle, ellipse, etc. Wherein, the position of the notch 12 can be located on the side of the side wall far away from the bottom wall to increase the operation space during welding. In other embodiments, the position of the notch 12 may also be located at the middle position of the side wall, so that the cable core 13 can be fixed in the middle of the groove, and the cable core 13 is prevented from falling off.

Preferably, the mounting portion 11 is cylindrical, and a C-shaped chamfer may be formed on one side of the side wall of the mounting portion 11 away from the bottom wall to expose the cable core 13, thereby facilitating welding. In this embodiment, a groove is milled first to change the structure of the mounting part 11 (lap joint section) of the signal transmission part, and then a large C-angle is inverted on the side wall to form a notch 12, the cable inner core 13 is located in the groove, and part of the cable inner core is exposed in the notch 12, when welding is performed, the soldering iron can heat the cable inner core 13 and the mounting part 11 simultaneously, and the soldering tin 2 can form a round and smooth welding package along the groove edge to improve the reliability of welding. Wherein, the side of breach 12 can set up to the inclined plane to make breach 12 form suitable molten bath, the welding liquid can be in the molten bath, avoids the welding liquid to flow out outside breach 12, so that soldering tin 2 is more mellow and full.

Alternatively, the width of the gap 12 may be greater than the width of the cable core 13. To expose the cable core 13 through the gap 12, the soldering tip being able to heat the cable core 13 sufficiently during soldering.

The filter may also include a cavity 14, and the shape of the cavity 14 may be square, cylindrical, etc. The cavity 14 is formed with the accommodation space, and signal transmission spare is located this cavity 14's accommodation space, and installation department 11 can be fixed in the cavity 14 through fixed block 18 in, avoids installation department 11 to remove relative cavity 14 to improve the reliability that installation department 11 is connected with cable inner core 13.

An avoiding groove 15 is formed in the cavity 14 to expose the installation portion 11, and welding of the installation portion 11 and the cable inner core 13 is facilitated. The width of the avoiding groove 15 can be larger than the width of the mounting part 11, so that the mounting part 11 is completely exposed through the avoiding groove 15, and the welding operation is conveniently carried out through the avoiding groove 15 during welding.

Optionally, a fixing post 16 is further disposed on the cavity 14 for fixing the cable core 13. The fixing posts 16 can press and fix the cable core 13 from two sides of the cavity 14.

Different from the situation of the prior art, the notch 12 is arranged on the side wall of the mounting part 11 of the signal transmission part in the filter of the embodiment, and the cable inner core 13 is partially positioned in the notch 12, so that the welding plane can not be lower than the cable inner core 13, and when welding, the soldering iron can heat the cable inner core 13 and the mounting part 11 simultaneously, thereby reducing the generation of a cold joint phenomenon, improving the welding reliability, and increasing the use safety and reliability of the filter.

Referring to fig. 5 to 8, fig. 5 is a schematic partial structure diagram of a second embodiment of a filter provided in the present application, fig. 6 is a schematic partial top view structure diagram of the filter in fig. 5, and fig. 7 is a partial cross-sectional view of the filter in fig. 5; fig. 8 is an enlarged view of fig. 7 at circle B. Unlike the previous embodiment, the mounting portion 11 includes at least one exposed mounting surface 111 for holding and soldering the cable core 13. In this manner, the tip can heat the mounting surface 111 and the cable core 13 simultaneously during soldering, making soldering more reliable.

Alternatively, an exposed face may be milled into the mounting section 11 to form the mounting face 111 to hold the cable core 13. During soldering, the soldering iron head can heat the cable core 13 and the mounting surface 111 simultaneously, and tin 2 forms a tin package around the periphery of the cable core 13, so that soldering of the filter and the cable core 13 is reliable.

This installation face 111 can be a plane, convenient production, and can more steadily drag cable inner core 13, convenient welding. In other embodiments, the mounting surface 111 may also be a curved surface, so that the solder 2 can form a rounded solder package along the curved surface, thereby improving the reliability of the soldering.

Other structures of the filter in this embodiment may be the same as those in the first embodiment, and are not described herein again.

In this embodiment, an exposed surface is directly milled on the mounting portion 11 to serve as the mounting surface 111, the structure is simple, the manufacturing is easy, and when the mounting portion 11 is welded to the cable core 13, the soldering iron can heat the mounting portion 11 and the cable core 13 at the same time, so that the welding reliability is improved.

Referring to fig. 9, fig. 9 is a schematic structural diagram of an embodiment of a communication device provided in the present application, where a communication device 90 of the present application includes a filter 91, and the filter 91 may be a filter of any of the embodiments described above.

The communication device 90 may be a smart terminal, a base station, a router, or the like.

In a specific embodiment, the communication device 90 may further include an antenna, the antenna is connected to the filter 91 through a cable, when the cable coming out of the antenna is connected to the filter 91, the mounting portion of the filter 91 is welded to the cable core of the cable, and the filter 91 may be reliably welded to the cable core, so that signals can be reliably transmitted, and the reliability and the safety of the whole communication device 90 are improved.

For the specific structure of the filter 91, please refer to the drawings of the above embodiments and the related text descriptions, which are not repeated herein.

The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. The utility model provides a filter, its characterized in that, the filter includes an at least signal transmission spare, signal transmission spare is provided with the installation department, one side of installation department is provided with the recess for overlap joint cable inner core, still be provided with on the lateral wall of installation department with the breach of recess intercommunication, at least part the cable inner core is located in the breach, with when the welding, through breach department is right simultaneously the cable inner core with the installation department heats.

2. The filter of claim 1, wherein a C-shaped chamfer is provided on a sidewall of the mounting portion to form the notch.

3. The filter of claim 2, wherein the gap has a width greater than a width of the cable core.

4. The filter of claim 1, further comprising a cavity, wherein the mounting portion is located within the cavity, and wherein an avoiding groove is disposed on the cavity to expose the mounting portion.

5. The filter of claim 4, wherein a fixing column is further disposed on the cavity, and the fixing column is located on one side of the mounting portion and used for fixing the cable inner core.

6. The filter of claim 4, further comprising a securing block located within the cavity for securing the mounting portion.

7. The filter of claim 1, wherein the grooves are U-shaped grooves.

8. A communication device, characterized in that it comprises a filter according to any one of claims 1-7.