CN208173772U - Resonant component, duplexer and communication equipment - Google Patents

Abstract

This disclosure relates to which a kind of resonant component, duplexer and communication equipment, belong to field of communication technology.Wherein resonant component includes, resonant rod (2) and cavity (1), resonant rod (2) has hollow structure, boss (11) are provided on the inner bottom surface of cavity (1), the one end open of resonant rod (2), other end closing, resonant rod (2) closed one end is provided with mounting hole (X)；Boss (11) can penetrate mounting hole (X), and have gap between the outer peripheral surface of boss (11) and the inner peripheral surface of mounting hole (X)；When boss (11) is by pressure perpendicular to cavity (1) bottom surface direction, boss (11) is big in the variable dimension being parallel on cavity (1) bottom surface direction, so that the inner peripheral surface of the outer peripheral surface of boss (11) and mounting hole (X) are fitted close.Cost is relatively low for the processing and manufacturing of the resonant component, to advantageously reduce the cost of duplexer, communication equipment.

Description

Resonant component, duplexer and communication equipment

Technical field

This disclosure relates to field of communication technology, in particular to a kind of resonant component, duplexer and communication equipment.

Background technique

Duplexer is the important component of Remote Radio Unit in communication equipment (Radio Remote Unit), is used Received two frequency band signals of separate antenna in radio circuit.It is real that duplexer mainly passes through the resonant component being provided at its inner portion The separation of existing signal.

Referring to Fig. 1-1 and Fig. 1-2, which respectively show the structures and its decomposition of a kind of resonant component that the relevant technologies provide Structure.As shown in Fig. 1-1 and Fig. 1-2, which includes：Resonant rod 2a, cavity 1a and connection resonant rod 2a and cavity The screw 3a of 1a.Wherein, resonant rod 2a is in the hollow structure of both ends open, is provided with platform on the inner wall of resonant rod 2a 21a, the i.e. axial cross section of resonant rod 2a are in " H " shape, are provided with mounting hole X1a on platform 21a；It is set on the inner bottom surface of cavity 1a It is equipped with boss 11a, threaded hole X2a is provided on boss 11a, and boss 11a cannot be penetrated in the mounting hole X1a of platform 21a.? When assembling resonant component, resonant rod 2a is set in outside boss 11a, the platform 21a and boss 11a phase inside resonant rod 2a are made It supports, and is screwed in the threaded hole X2a of boss 11a after screw 3a is passed through the mounting hole X1a on platform 21a, thus by resonant rod 2a is connect with cavity 1a.

The relevant technologies have at least the following problems：

Axial cross section is complex in the resonant rod of " H " shape and the boss processing technology with threaded hole, so that humorous The manufacturing cost of vibration component is higher, to increase the cost of duplexer, communication equipment.

Utility model content

The embodiment of the present disclosure provides a kind of resonant component, duplexer and communication equipment, can solve above-mentioned resonant component system Cause this higher problem.

Specifically, including technical solution below.

In a first aspect, the embodiment of the present disclosure provides a kind of resonant component, which includes resonant rod and cavity, In, the resonant rod has hollow structure, it is provided with boss on the inner bottom surface of the cavity, the one end open of the resonant rod, Other end closing, described closed one end of resonant rod is provided with mounting hole；

The boss can penetrate the mounting hole, and have between the outer peripheral surface of the boss and the inner peripheral surface of the mounting hole There is gap；

When the boss is by pressure perpendicular to cavity bottom surface direction, the boss is being parallel to the cavity Variable dimension on the direction of bottom surface is big, so that the inner peripheral surface of the outer peripheral surface of the boss and the mounting hole is fitted close.

In the resonant component that the embodiment of the present disclosure provides, pass through the structure and connection type progress to resonant component each section Optimal improvements, reduce the manufacturing cost of resonant component, to reduce the cost of duplexer, communication equipment.Specifically, a side Face, resonant rod are in one end open, hollow structure closed at one end, i.e. the axial cross section of resonant rod is " U "-shaped, and in the related technology The resonant rod of axial cross section " H " shape is compared, and axial cross section is simple in the resonant rod processing technology of " U ", at low cost；On the other hand, Since it is big in the variable dimension being parallel on the direction of cavity bottom surface under perpendicular to the effect of the pressure in cavity bottom surface direction for boss, So as to make boss outer peripheral surface and mounting hole inner peripheral surface be fitted close, therefore, there is no need to the thread mill drilling on boss, from And the difficulty of processing of boss is reduced, it further reduces the cost.

In a possible design, the mounting hole is circular hole, and the boss is in cylindrical.Circular mounting hole and Tubular boss is more convenient for fabricating.

In another possible design, the big 0.01mm~0.2mm of the diameter of boss described in the aperture ratio of the mounting hole.

In another possible design, the resonant rod is in the hollow circuit cylinder bodily form.

In another possible design, the height of the boss is greater than the height of the mounting hole, so convenient for convex Platform, which applies pressure, is fitted close boss and mounting hole.

In another possible design, the height of the boss is 0.1mm~3mm bigger than the height of the mounting hole.

In another possible design, the material of the boss is metal or plastics；The material of the resonant rod is Metal or ceramics.

In another possible design, the outer peripheral surface of one end open around the resonant rod is provided with flange.

Second aspect, the embodiment of the present disclosure provide a kind of duplexer, and the duplexer includes the embodiment of the present disclosure first Resonant component described in aspect.

Resonant rod is using the lower-cost " u "-shaped resonance of processing and manufacturing in the resonant component provided due to the embodiment of the present disclosure Bar, and the boss on cavity inner bottom surface do not need setting threaded hole so that the design of resonant component, processing and manufacturing and Assembly cost is lower, and then reduces the cost of duplexer.

The third aspect, the embodiment of the present disclosure provide a kind of communication equipment, and the communication equipment includes the embodiment of the present disclosure Duplexer described in second aspect.

Since the duplexer that the embodiment of the present disclosure provides has lower cost, the communication equipment of the application duplexer Also there is lower cost.

Detailed description of the invention

Fig. 1-1 is the structural schematic diagram of the resonant component provided in the related technology；

Fig. 1-2 is the decomposition texture schematic diagram of the resonant component provided in the related technology；

Fig. 2-1 is the structural schematic diagram for the resonant component that the embodiment of the present disclosure provides；

Fig. 2-2 is the decomposition texture schematic diagram for the resonant component that the embodiment of the present disclosure provides；

Fig. 3 is the resonant component assembling process schematic diagram that the embodiment of the present disclosure provides.

Appended drawing reference in figure respectively indicates：

The cavity for the resonant component that 1a- the relevant technologies provide；

The boss for the resonant component that 11a- the relevant technologies provide；

The resonant rod for the resonant component that 2a- the relevant technologies provide；

The platform for the resonant component that 21a- the relevant technologies provide；

The screw for the resonant component that 3a- the relevant technologies provide；

The mounting hole for the resonant component that X1a- the relevant technologies provide；

The threaded hole for the resonant component that X2a- the relevant technologies provide；

1- cavity；

11- boss；

2- resonant rod；

21- flange；

3- assembly tooling；

X- mounting hole；

The position of the inner peripheral surface cooperation of the outer peripheral surface and mounting hole of R- boss.

Specific embodiment

To keep technical solution and the advantage of the disclosure clearer, below in conjunction with attached drawing to disclosure embodiment make into One step it is described in detail.Unless otherwise defined, all technical terms used in the embodiment of the present disclosure all have and art technology The normally understood identical meaning of personnel.

In the following description, the axial cross section of resonant rod refers to the section for being parallel to resonant rod axis direction, when will be humorous When vibration bar is placed along the vertical direction, the section of resonant rod along the vertical direction is the axial cross section of resonant rod.When by the bottom of cavity When face is placed in the horizontal direction, horizontal direction is to be parallel to the direction of cavity bottom surface, and vertical direction is perpendicular to cavity bottom The direction in face.

As shown in Fig. 1-1 and Fig. 1-2, in the related technology, the resonant rod 2a and cavity 1a of resonant component pass through in duplexer Screw 3a connection.Specifically, resonant rod 2a is in the hollow structure of both ends open, and is provided on the inner wall of resonant rod 2a Platform 21a makes the axial cross section of resonant rod 2a in " H " shape, mounting hole X1a is provided on platform 21a.Meanwhile in cavity 1a Inner bottom surface on be provided with boss 11a, threaded hole X2a is provided on boss 11a, boss 11a cannot penetrate the peace of resonant rod 2a It fills in the X1a of hole.When assembling resonant component, resonant rod 2a is set in outside boss 11a, and makes platform 21a and boss 11a phase Support, and by screw 3a pass through platform 21a on mounting hole X1a after screw in boss 11a threaded hole X2a in, by resonant rod 2a with Cavity 1a connection.Since axial cross section is complex in the resonant rod of " H " shape and the boss processing technology with threaded hole, Therefore cause the manufacturing cost of resonant component higher.And when designing resonant rod and boss, it is also necessary to consider the effective of screw thread The distance between outer bottom of bottom surface and cavity of screwing length and threaded hole, so that the design of resonant component is also more multiple It is miscellaneous.

Based on the above, the embodiment of the present disclosure provides that a kind of processing technology is simple, resonant component at low cost, and Duplexer, communication equipment based on the resonant component.

In a first aspect, the embodiment of the present disclosure provides a kind of resonant component and the assembly technology of the resonant component.

The resonant component provided first below the embodiment of the present disclosure is described in detail.

- 1 and Fig. 2-2 referring to fig. 2 which respectively show a kind of structure of resonant component of embodiment of the present disclosure offer and divides Solution structure.As shown in Fig. 2-1 and Fig. 2-2, which includes resonant rod 2 and cavity 1, wherein resonant rod 2 has hollow knot Structure is provided with boss 11 on the inner bottom surface of cavity 1；The one end open of resonant rod 2, other end closing, the closed one end of resonant rod 2 It is provided with mounting hole X；Boss 11 can penetrate mounting hole X, and have sky between the outer peripheral surface of boss 11 and the inner peripheral surface of mounting hole X Gap；When boss 11 is by pressure perpendicular to 1 bottom surface direction of cavity, boss 11 is in the ruler being parallel on 1 bottom surface direction of cavity It is very little to become larger, so that the inner peripheral surface of the outer peripheral surface of boss 11 and mounting hole X are fitted close.

In the resonant component that the embodiment of the present disclosure provides, pass through the structure and connection type progress to resonant component each section Optimal improvements, reduce the manufacturing cost of resonant component, to reduce the cost of duplexer, communication equipment.

Specifically, on the one hand, resonant rod 2 is in one end open, hollow structure closed at one end, the i.e. axial direction of resonant rod 2 Section is " U "-shaped, and compared with the resonant rod 2 of axial cross section in the related technology " H " shape, axial cross section adds in the resonant rod 2 of " U " Work simple process does not need to carry out resonant rod 2 other processing using punch forming process yet, at low cost；Another party Face, due to boss 11 perpendicular to the pressure in 1 bottom surface direction of cavity effect under its in the size being parallel on 1 bottom surface direction of cavity Can become larger, so as to make boss 11 outer peripheral surface and mounting hole X inner peripheral surface be fitted close, therefore, there is no need on boss 11 Thread mill drilling further reduces the cost to reduce the difficulty of processing of boss 11.

Also, the resonant component that the embodiment of the present disclosure provides protrudes into assembly tooling in resonant rod 2 to boss in assembly 11 apply pressure, make boss 11 be parallel on 1 bottom surface direction of cavity becoming large-sized with resonant rod 2 tight fit can be completed Assembly, eliminates screw and eliminates the operation of fastening screw, to simplify the assembling process of resonant component, promotes assembly Efficiency.

In addition, when designing resonant component, the bottom surface of effective screwing length and threaded hole without the concern for screw thread with The factors such as the distance between outer bottom of cavity 1 reduce the design difficulty of resonant component.

In the embodiment of the present disclosure, boss 11 can penetrate mounting hole X, and the inner peripheral surface of the outer peripheral surface of boss 11 and mounting hole X Between there is gap, it can be understood as, when by 2 sets of resonant rod, after boss 11 is outer, the mounting hole X of resonant rod 2 is parallel on edge Full-size on the direction of 1 bottom surface of cavity is greater than boss 11 in the full-size on the direction for being parallel to 1 bottom surface of cavity.

In a kind of possible implementation of the embodiment of the present disclosure, mounting hole X is circular hole, and boss 11 is in cylindrical, circle The processing of hole and tubular boss 11 is relatively simple, and being more advantageous to reduces cost, convenient for assembly.

It is circular hole for mounting hole X, for the case where boss 11 is cylindrical, the aperture of mounting hole X and boss 11 Relationship between diameter can be：Big 0.01mm~the 0.2mm of diameter of the aperture ratio boss 11 of mounting hole X, such as 0.01mm, 0.02mm、0.03mm、0.04mm、0.05mm、0.06mm、0.07mm、0.08mm、0.09mm、0.1mm、0.11mm、0.12mm、 013mm, 0.14mm, 0.15,0.16mm, 0.17mm, 0.18mm, 0.19mm, 0.2mm etc..

Certainly, in the embodiment of the present disclosure, mounting hole X can be according to actual needs using other shapes, such as rectangle Hole, square hole, regular pentagon shape hole, hexagonal hole or irregular shape hole.

Boss 11 can also use other shapes along the cross sectional shape for being parallel to 1 bottom surface direction of cavity according to actual needs, Such as rectangle, square, regular pentagon, regular hexagon or irregular shape.

The shape and boss 11 of mounting hole X can be identical along the cross sectional shape for being parallel to 1 bottom surface direction of cavity, can also not Together.

In the embodiment of the present disclosure, whole resonant rod 2 can be hollow cylindrical body, be also possible to hollow cuboid, in Empty pentagonal prism, hollow hexagonal prisms etc..Wherein, the manufacture easy to process of resonant rod 2 of the hollow circuit cylinder bodily form.The hole of mounting hole X Relationship between diameter and the internal diameter of resonant rod 2 does not have considered critical, and those skilled in the art can be configured according to actual needs.

In a kind of possible implementation of the embodiment of the present disclosure, the height of boss 11 is greater than the height of mounting hole X, i.e., convex The height of platform 11 is greater than the thickness of the closed one end of resonant rod 2, when outside boss 11, and making 2 envelope of resonant rod for 2 sets of resonant rod When one end outer surface closed is in contact with the inner bottom surface of cavity 1, boss 11 relative to the closed one end of resonant rod 2 inner surface to It protrudes above, convenient for applying the inner peripheral surface tight fit that pressure makes the outer peripheral surface and mounting hole X of boss 11 to boss 11.

In the embodiment of the present disclosure, the relationship between the height of boss 11 and the height of mounting hole X can be：The height of boss 11 Spend it is 0.1mm~3mm bigger than the height of mounting hole X, such as 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm、0.9mm、1mm、1.1mm、1.2mm、1.3mm、1.4mm、1.5mm、1.6mm、1.7mm、 1.8mm、1.9mm、2mm、 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, 2.7mm, 2.8mm, 2.9mm, 3mm etc..

In the embodiment of the present disclosure, the material of boss 11 can be that can make boss 11 with deformation occurs under certain pressure effect In the material become large-sized being parallel on 1 bottom surface direction of cavity, including but not limited to metal and plastics.Wherein, metal includes But be not limited to aluminium, copper, magnesium alloy, steel etc..In the embodiment of the present disclosure, the material of cavity 1 can be identical as the material of boss 11, chamber Body 1 and boss 11 are integrally formed, manufacture easy to process.The material of resonant rod 2 can be metal or ceramics, wherein metal is same Sample includes but is not limited to aluminium, copper, magnesium alloy, steel etc..

In the embodiment of the present disclosure, flange 21 can be set in the outer peripheral surface around the open one end of resonant rod 2.

Next it elaborates to the assembly technology of the resonant component of the embodiment of the present disclosure.

Referring to Fig. 3, it illustrates the flow charts of the assembly technology of the resonant component of the embodiment of the present disclosure.As shown in figure 3, should Assembly technology includes：

The closed one end of resonant rod 2 is placed on the inner bottom surface of cavity 1, boss 11 is made to penetrate resonant rod 2 by step 1 In mounting hole X, and the closed one end outer surface of resonant rod 2 and the inner bottom surface of cavity 1 is made to offset.

Step 2, the one end opened to resonant rod 2, which applies certain pressure, makes 2 righting of resonant rod, to guarantee assembling process Skew will not occur for middle resonant rod 2.

Step 3 protrudes into assembly tooling 3 inside resonant rod 2, applies the pressure perpendicular to 1 bottom surface direction of cavity to boss 11 Power makes 11 stress bulging of boss, that is, so that boss 11 is parallel to becoming large-sized on 1 bottom surface direction of cavity, makes the periphery of boss 11 The inner peripheral surface (position of the R meaning in Fig. 3) of face and mounting hole X are fitted close, and complete the assembly of resonant component.

It, can be by the flange 21 that one end that resonant rod 2 opens is arranged in it should be noted that in the embodiment of the present disclosure Apply active force to make 2 righting of resonant rod, as long as the active force guarantees that skew does not occur for resonant rod, if the active force mistake If big, resonant rod deformation may result in.

In the embodiment of the present disclosure, there is no particular/special requirement to the specific value for the active force that boss 11 applies, it can be according to convex The material of platform 11 determines, as long as boss 11 can be made to be parallel to becoming large-sized on 1 bottom surface direction of cavity, realizes boss 11 and peace Fill the tight fit of hole X.

In one possible implementation, assembly tooling 3 is in cylindrical.

Second aspect, the embodiment of the present disclosure provide a kind of duplexer, which includes embodiment of the present disclosure first party The resonant component that face provides.

Resonant rod is using the lower-cost " u "-shaped resonance of processing and manufacturing in the resonant component provided due to the embodiment of the present disclosure Bar, and the boss on cavity inner bottom surface do not need setting threaded hole so that the design of resonant component, processing and manufacturing and Assembly cost is lower, and then reduces the cost of duplexer.

It is understood that duplexer includes main body, body interior has multiple cavities, and each cavity is correspondingly arranged one Resonant rod.

It should be noted that the resonant component that the embodiment of the present disclosure provides is not only applicable to duplexer, for other tools There is the device of resonance, filtering demands equally applicable.

The third aspect, the embodiment of the present disclosure provide a kind of communication equipment, which includes the embodiment of the present disclosure The duplexer that two aspects provide.

Since the duplexer that the embodiment of the present disclosure provides has lower cost, the communication equipment of the application duplexer Also there is lower cost.

In the embodiment of the present disclosure, communication equipment can be base station, or mobile phone etc. has the terminal of communication function.

The above is merely for convenience of the technical solution it will be understood by those skilled in the art that the disclosure, not to limit The disclosure.For all spirit in the disclosure within principle, any modification, equivalent replacement, improvement and so on should be included in this Within disclosed protection scope.

Claims (10)

1. a kind of resonant component, including resonant rod (2) and cavity (1), the resonant rod (2) has hollow structure, the cavity (1) boss (11) are provided on inner bottom surface, which is characterized in that

The one end open of the resonant rod (2), other end closing, the closed one end of the resonant rod (2) is provided with mounting hole (X)；

The boss (11) can penetrate the mounting hole (X), and the outer peripheral surface of the boss (11) and the mounting hole (X) is interior There is gap between circumferential surface；

When the boss (11) is by pressure perpendicular to the cavity (1) bottom surface direction, the boss (11) is being parallel to Variable dimension on cavity (1) the bottom surface direction is big, so that the outer peripheral surface of the boss (11) and the mounting hole (X) is interior Circumferential surface is fitted close.

2. resonant component according to claim 1, which is characterized in that the mounting hole (X) is circular hole, the boss (11) In cylindrical.

3. resonant component according to claim 2, which is characterized in that boss described in the aperture ratio of the mounting hole (X) (11) the big 0.01mm~0.2mm of diameter.

4. resonant component according to claim 2, which is characterized in that the resonant rod (2) is in the hollow circuit cylinder bodily form.

5. resonant component according to claim 1, which is characterized in that the height of the boss (11) is greater than the mounting hole (X) height.

6. resonant component according to claim 4, which is characterized in that the height of the boss (11) is than the mounting hole (X) the big 0.1mm~3mm of height.

7. resonant component according to claim 1, which is characterized in that the material of the boss (11) is metal or modeling Material；The material of the resonant rod (2) is metal or ceramics.

8. resonant component according to claim 1, which is characterized in that outside one end open around the resonant rod (2) Circumferential surface is provided with flange (21).

9. a kind of duplexer, which is characterized in that the duplexer includes resonant component according to any one of claims 1 to 8.

10. a kind of communication equipment, which is characterized in that the communication equipment includes duplexer as claimed in claim 9.