CN111384541A - Filter and communication device - Google Patents
Filter and communication device Download PDFInfo
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- CN111384541A CN111384541A CN201910208738.XA CN201910208738A CN111384541A CN 111384541 A CN111384541 A CN 111384541A CN 201910208738 A CN201910208738 A CN 201910208738A CN 111384541 A CN111384541 A CN 111384541A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
Abstract
The invention provides a filter and communication equipment, wherein the filter comprises a main body part and a metal coating, wherein the metal coating is coated on the surface of the main body part, the main body part comprises a first rectangular body part and a second rectangular body part which are connected in a laminated mode, and the cross sectional area of the first rectangular body part is larger than that of the second rectangular body part. The main body part of the filter provided by the invention is of an integrally formed structure, and the main body part is of a specific shape, so that the filter has the beneficial effects of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a filter and communication equipment.
Background
The two major key technologies of 5G are Massive MIMO, micro base stations (Small Cells).
Massive MIMO is a large-scale antenna array which is far more than that of the existing system and is configured at the base station side to construct a large-scale and multi-channel communication system to simultaneously serve a plurality of users.
Micro base stations (Small Cells), namely micro communication base stations, become the key for solving network coverage and communication capacity in the future, and due to the advantages of Small size and light weight, various street facilities such as city street lamps, advertising boards, electric poles and the like can become carriers for hanging the Small base stations in the future, so that high-density and dead-angle-free network configuration is facilitated.
With the rapid advance of communication technology, especially the coming 5G communication era, more demanding technical requirements are put on the system architecture, that is, high-efficiency and high-capacity communication is realized, and at the same time, the system module must achieve the goals of high integration, miniaturization, light weight and low cost, for example, when the 5G Massive MIMO technology is further expanded from the current 8 or 16 channels to 32, 64 or 128 channels, the overall system architecture size cannot be too large, and even a certain degree of miniaturization needs to be realized, while the microwave filter is used as the core component of the system, and the performance parameters, size and cost thereof all have great influence on the performance, architecture size and cost of the system, especially, the MIMO system adopts more filter integration applications or the special requirements of micro base stations (Small Cells) on the architecture size, the miniaturization of the filter is required to match the system design, so how to miniaturize and miniaturize the filter, facilitate the system integration and optimize the cost is the most urgent technical requirement for the filter product.
At present ceramic waveguide filter product is in order to realize the minimum structure size as far as possible, and its implementation mainly adopts ceramic material sintering to become required two or a plurality of ceramic unit module to through complicated process, ceramic unit module surface metallization adopts anchor clamps to make it splice the location after, and high temperature sintering shaping again constitutes effectual microwave filter function module, and its main manufacturing process includes:
1. splicing two or more symmetrical or asymmetrical ceramic resonance modules into a whole;
2. before the ceramic modules are spliced, the ceramic surface needs to be fully metalized and is usually covered by silver paste printing so as to realize a metal shielding function;
3. the inner side of the splicing surface is not required to be metalized with a specific electromagnetic energy coupling window, and is required to be shielded by a steel mesh, so that the function of a device is prevented from being influenced by metal coverage;
4. the ceramic unit module after the metallization operation is spliced and shaped with a specific clamp at high precision and then sintered and formed at high temperature for the second time.
Disclosure of Invention
The invention provides a filter and communication equipment, and aims to solve the technical problems that in the prior art, a filter product needs complex and tedious processes and procedures such as high-precision positioning and splicing of a clamp, secondary high sintering and the like, and great challenges are caused to production.
In order to solve the technical problems, the invention adopts a technical scheme that: the filter comprises a main body part and a metal coating, wherein the metal coating covers the surface of the main body part, the main body part comprises a first rectangular body part and a second rectangular body part which are connected in a stacked mode, and the cross sectional area of the first rectangular body part is larger than that of the second rectangular body part.
In order to solve the technical problem, the invention adopts another technical scheme that: a communication device is provided comprising the aforementioned filter.
The invention has the beneficial effects that: different from the situation of the prior art, the main body part of the filter provided by the invention is of an integrally formed structure, and the main body part is of a specific shape, so that the filter has the beneficial effects of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic perspective view of a filter according to a first embodiment of the present invention;
fig. 2 is a schematic perspective view of a filter according to a second embodiment of the present invention;
fig. 3 is a schematic perspective view of a filter according to a third embodiment of the present invention;
fig. 4 is a schematic perspective view of a filter according to a fourth embodiment of the present invention;
fig. 5 is a schematic perspective view of a filter according to a fifth embodiment of the present invention;
fig. 6 is a schematic perspective structural diagram of a filter provided in a fifth embodiment of the present invention;
fig. 7 is a schematic perspective structural diagram of a filter provided in a sixth embodiment of the present invention;
fig. 8 is a schematic perspective view of a filter according to a seventh embodiment of the present invention;
fig. 9 is a schematic perspective view of a filter according to an eighth embodiment of the present invention;
fig. 10 is a schematic perspective structural diagram of a filter according to an eighth embodiment of the present invention;
fig. 11 is a schematic perspective structural diagram of a filter according to a ninth embodiment of the present invention;
fig. 12 is a schematic perspective structural diagram of a filter according to a tenth embodiment of the present invention;
fig. 13 is a simplified block diagram of a communication apparatus according to an eleventh embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person 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 invention.
First embodiment
Referring to fig. 1, the present embodiment provides a filter 100, which is applicable to a 4G or 5G communication system, the filter 100 includes a main body 110, a metal coating (not shown), and a connector 120, the main body 110 may be a structure integrally formed by ceramic or a material having a dielectric coefficient similar to that of a ceramic material, and the metal coating covers a surface of the main body 110, wherein the main body 110 includes a first rectangular body 112 and a second rectangular body 114 connected in a stacked manner, and a cross-sectional area of the first rectangular body 112 is larger than a cross-sectional area of the second rectangular body 114. Wherein, the cross-sectional area mentioned in all the following examples refers to the area of a cross-section taken in the direction shown by A-A in FIG. 1. Wherein the first rectangular body portion 112 and the second rectangular body portion 114 may each include a resonant cavity or a coupling window.
The main body part 110 of the filter 100 provided by the invention is of an integrally formed structure, and the main body part 110 has a specific shape, so that the filter has the advantages of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
The first rectangular body 112 has a square or rectangular structure; the second rectangular body portion 114 has a square or rectangular configuration. In other embodiments, the shapes of the first and second rectangular body portions 112 and 114 are not limited thereto, but may be other regular or irregular shape combinations, such as triangular, pentagonal, hexagonal, semicircular, spherical, hemispherical, rhombic, trapezoidal, and the like.
The number of layers after the first rectangular body portions 112 and the second rectangular body portions 114 are stacked may be two, that is, the number of the first rectangular body portions 112 and the number of the second rectangular body portions 114 may be one.
Alternatively, the number of layers of the first rectangular body portions 112 and the second rectangular body portions 114 after being stacked may be three, that is, one of the number of the first rectangular body portions 112 and the number of the second rectangular body portions 114 may be one, and the other may be two and may be provided in a one-in-two connection manner.
Alternatively, the number of layers of the first rectangular body portions 112 and the second rectangular body portions 114 may be multiple, and the number of the first rectangular body portions 112 and the number of the second rectangular body portions 114 may be multiple and arranged in an alternately stacked connection manner. For example, as shown in fig. 1, the first rectangular body portion 112 has 7 layers, and the second rectangular body portion 114 has 6 layers, the number of layers can be increased or decreased according to the product performance parameter requirement.
When the number of the first rectangular body portions 112 and the number of the second rectangular body portions 114 are each one, the thicknesses of the first rectangular body portions 112 and the second rectangular body portions 114 may be uniform or non-uniform. That is, the first rectangular body portion 112 and the second rectangular body portion 114 have the same thickness, or the first rectangular body portion 112 has a large thickness and the second rectangular body portion 114 has a small thickness, or the first rectangular body portion 112 has a small thickness and the second rectangular body portion 114 has a large thickness.
When one of the number of the first rectangular body portions 112 and the number of the second rectangular body portions 114 is one, and the other is two and disposed in a two-in-one connection manner, the thicknesses of the two first rectangular body portions 112 may be uniform or uniform, or the thicknesses of the two second rectangular body portions 114 may be uniform or non-uniform, and the thicknesses of the single first rectangular body portion 112 and the single second rectangular body portion 114 may be uniform or non-uniform. That is, two first rectangular body portions 112 may sandwich one second rectangular body portion 114, and the thicknesses of the two first rectangular body portions 112 may be uniform or non-uniform, or the second rectangular body portion 114 may sandwich one first rectangular body portion 112, and the thicknesses of the two second rectangular body portions 114 may be uniform or non-uniform, and in the case of a three-layer structure, the thicknesses of the respective layers may be uniform or non-uniform.
When the number of the first rectangular body portions 112 and the number of the second rectangular body portions 114 are plural and are disposed in the alternate stacked connection manner, the thicknesses of the plural first rectangular body portions 112 may be uniform or non-uniform, the thicknesses of the plural second rectangular body portions 114 may be uniform or non-uniform, and the thicknesses of the single first rectangular body portion 112 and the single second rectangular body portion 114 may be uniform or non-uniform. I.e., multiple layers, the thickness of each layer may or may not be uniform.
When one of the number of the first rectangular body portions 112 and the number of the second rectangular body portions 114 is one and the other is two and disposed in a two-in-one connection manner, the cross-sectional areas of the two first rectangular body portions 112 may be uniform or non-uniform, or the cross-sectional areas of the two second rectangular body portions 114 may be uniform or non-uniform. In other words, when the number of layers after the first and second rectangular body portions 112 and 114 are stacked is three, three sections of the three layers may be two or three specifications.
When the number of the first rectangular body portions 112 and the number of the second rectangular body portions 114 are plural and are disposed in an alternating stacked connection manner, the cross-sectional areas of the plural first rectangular body portions 112 may be uniform or non-uniform, and the cross-sectional areas of the plural second rectangular body portions 114 may be uniform or non-uniform. The non-uniform cross-sectional area may be a gradually increasing cross-sectional area, a gradually decreasing cross-sectional area, or a wavy cross-sectional area.
At least part of the corners of the first rectangular body 112 and the second rectangular body 114 are provided with chamfers for smoothing, and the chamfers can be in a chamfer mode or a fillet mode.
The geometric center of the first rectangular body portion 112 and the geometric center of the second rectangular body portion 114 are coaxially or eccentrically disposed.
The connector 120 may be a threaded connector 120, welded to the metal coating; or the connector 120 is a PCB, and the surface of the main body 110 is provided with a metalized coupling hole, and the PCB is installed in the metalized coupling hole.
The connectors 120 may be disposed at opposite ends of the main body 110, or the connectors 120 may be disposed at any position on the surfaces of the first rectangular body 112 and the second rectangular body 114, for example, one connector 120 is disposed on a first side of the first rectangular body 112, and the other connector 120 is disposed on a second side of the second rectangular body 112, and the first side and the second side may be planes perpendicular to each other.
In the present embodiment, the material of the metal coating may be copper, silver, tin or aluminum.
Second embodiment
Referring to fig. 2, the present embodiment provides a filter 200, which is applicable to a 4G or 5G communication system, the filter 200 includes a main body portion 210, a metal coating (not shown), and a connector 220, the main body portion 210 may be a structure integrally formed by using ceramic or a material having a dielectric coefficient similar to that of a ceramic material, and the metal coating covers a surface of the main body portion 210, wherein the main body portion 210 includes a first cylindrical portion 212 and a second cylindrical portion 214 connected in a stacked manner, and a cross-sectional area of the first cylindrical portion 212 is larger than a cross-sectional area of the second cylindrical portion 214. Wherein the first cylindrical portion 212 and the second cylindrical portion 214 may each include a resonant cavity or a coupling window.
The main body part 210 of the filter 200 provided by the invention is of an integrally formed structure, and the main body part 210 is of a specific shape, so that the filter has the advantages of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
The first cylindrical portion 212 has a right circular configuration or an elliptical configuration; the second cylindrical portion 214 has a right circular configuration or an elliptical configuration.
The number of the first cylindrical portions 212 and the number of the second cylindrical portions 214 are each one; or one of the number of the first cylindrical portions 212 and the number of the second cylindrical portions 214 is one, and the other is two and is arranged in a two-in-one connection manner; alternatively, the number of the first cylindrical portions 212 and the number of the second cylindrical portions 214 are both plural and are arranged in an alternating stacked connection.
When the number of the first cylindrical portions 212 and the number of the second cylindrical portions 214 are each one, the thicknesses of the first cylindrical portions 212 and the second cylindrical portions 214 may be uniform or non-uniform.
When one of the number of the first cylindrical portions 212 and the number of the second cylindrical portions 214 is one, and the other is two and provided in a two-in-one connection manner, the thicknesses of the two first cylindrical portions 212 may be uniform or non-uniform, or the thicknesses of the two second cylindrical portions 214 may be uniform or non-uniform, and the thicknesses of the single first cylindrical portion 212 and the single second cylindrical portion 214 may be uniform or non-uniform.
When the number of the first cylindrical portions 212 and the number of the second cylindrical portions 214 are plural and are arranged in an alternating stacked connection manner, the thicknesses of the plural first cylindrical portions 212 may be uniform or non-uniform, the thicknesses of the plural second cylindrical portions 214 may be uniform or non-uniform, and the thicknesses of the single first cylindrical portion 212 and the single second cylindrical portion 214 may be uniform or non-uniform.
When one of the number of the first cylindrical portions 212 and the number of the second cylindrical portions 214 is one, and the other is two and provided in a two-in-one connection manner, the cross-sectional areas of the two first cylindrical portions 212 may be uniform or non-uniform, or the cross-sectional areas of the two second cylindrical portions 214 may be uniform or non-uniform.
When the number of the first cylindrical portions 212 and the number of the second cylindrical portions 214 are plural and are arranged in an alternating stacked connection manner, the cross-sectional areas of the plural first cylindrical portions 212 may be uniform or non-uniform, and the cross-sectional areas of the plural second cylindrical portions 214 may be uniform or non-uniform.
At least part of the corners of the first cylindrical portion 212 and the second cylindrical portion 214 are provided with a chamfer, which may be a flat chamfer or a rounded chamfer.
The axial center of the first cylindrical portion 212 and the axial center of the second cylindrical portion 214 are coaxially or eccentrically disposed.
The connector 220 may be a threaded connector 220, welded to the metal coating; or the connector 220 is a PCB, and the surface of the main body 210 is provided with a metalized coupling hole, and the PCB is installed in the metalized coupling hole.
The connectors 220 may be provided at opposite ends of the body portion 210, or the connectors 220 may be provided at any position on the surfaces of the first and second cylindrical portions 212 and 214.
In the present embodiment, the material of the metal coating may be copper, silver, tin or aluminum.
Third embodiment
Referring to fig. 3, the present embodiment provides a filter 300, which is applicable to a 4G or 5G communication system, the filter 300 includes a main body portion 310, a metal coating (not shown), and a connector 320, the main body portion 310 may be a structure integrally formed by ceramic or a material having a dielectric coefficient similar to that of a ceramic material, the metal coating covers a surface of the main body portion 310, wherein the main body portion 310 includes a rectangular body portion 312 and a cylindrical body portion 314 connected in a stacked manner, and a cross-sectional area of the rectangular body portion 312 is larger than a cross-sectional area of the cylindrical body portion 314. Wherein the rectangular body 312 and the cylindrical body 314 may each include a resonant cavity or a coupling window.
The main body part 310 of the filter 300 provided by the invention is of an integrally formed structure, and the main body part 310 is of a specific shape, so that the filter has the advantages of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
The rectangular body 312 has a square or rectangular structure; the cylindrical portion 314 has a right circular configuration or an elliptical configuration.
The number of the rectangular body portions 312 and the number of the cylindrical body portions 314 are each one; or one of the number of the rectangular body parts 312 and the number of the cylindrical body parts 314 is one, and the other is two and arranged in a two-in-one connection manner; or the number of the rectangular body portions 312 and the number of the cylindrical body portions 314 are plural and are arranged in an alternately laminated connection manner.
When the number of the rectangular body portions 312 and the number of the cylindrical portions 314 are each one, the thicknesses of the rectangular body portions 312 and the cylindrical portions 314 may be uniform or non-uniform.
When one of the number of the rectangular body portions 312 and the number of the cylindrical body portions 314 is one, and the other is two and disposed in a two-in-one connection manner, the thicknesses of the two rectangular body portions 312 may be uniform or non-uniform, or the thicknesses of the two cylindrical body portions 314 may be uniform or non-uniform, and the thicknesses of the single rectangular body portion 312 and the single cylindrical body portion 314 may be uniform or non-uniform.
When the number of the rectangular body portions 312 and the number of the cylindrical body portions 314 are plural and are disposed in an alternating stacked connection manner, the thickness of the plural rectangular body portions 312 may be uniform or non-uniform, the thickness of the plural cylindrical body portions 314 may be uniform or non-uniform, and the thickness of the single rectangular body portion 312 and the single cylindrical body portion 314 may be uniform or non-uniform.
When one of the number of the rectangular body portions 312 and the number of the cylindrical body portions 314 is one, and the other is two and disposed in a two-in-one connection manner, the cross-sectional areas of the two rectangular body portions 312 may be uniform or non-uniform, or the cross-sectional areas of the two cylindrical body portions 314 may be uniform or non-uniform.
When the number of the rectangular body portions 312 and the number of the cylindrical body portions 314 are plural and are disposed in an alternating stacked connection manner, the cross-sectional areas of the plural rectangular body portions 312 may be uniform or non-uniform, and the cross-sectional areas of the plural cylindrical body portions 314 may be uniform or non-uniform.
At least part of corners of the rectangular body 312 and the cylindrical body 314 are provided with chamfer smoothing, which can be a chamfer mode or a fillet mode.
The geometric center of the rectangular body 312 and the axial center of the cylindrical body 314 are coaxially or eccentrically disposed.
The connector 320 may be a threaded connector 320, welded to the metal coating; or the connector 320 is a PCB, and the surface of the main body 310 is provided with a metalized coupling hole, and the PCB is installed in the metalized coupling hole.
The connectors 320 may be provided at opposite ends of the body portion 310, or the connectors 320 may be provided at arbitrary positions on the surfaces of the rectangular body portion 312 and the cylindrical body portion 314.
In the present embodiment, the material of the metal coating may be copper, silver, tin or aluminum.
Fourth embodiment
Referring to fig. 4, the present embodiment provides a filter 400, which is applicable to a 4G or 5G communication system, the filter 400 includes a main body portion 410, a metal coating (not shown), and a connector 420, the main body portion 410 may be a structure integrally formed by using ceramic or a material having a dielectric coefficient similar to that of a ceramic material, the metal coating covers a surface of the main body portion 410, wherein the main body portion 410 includes a cylindrical portion 412 and a rectangular portion 414 which are connected in a stacked manner, and a cross-sectional area of the cylindrical portion 412 is larger than a cross-sectional area of the rectangular portion 414. Wherein the cylindrical portion 412 and the rectangular portion 414 may each include a resonant cavity or a coupling window.
The main body part 410 of the filter 400 provided by the invention is of an integrally formed structure, and the main body part 410 is formed in a specific shape, so that the filter has the advantages of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
The cylindrical portion 412 has a right circular or elliptical configuration; the rectangular body 414 has a square or rectangular configuration.
The number of the cylindrical portions 412 and the number of the rectangular portions 414 are each one; or one of the number of the cylindrical portions 412 and the number of the rectangular portions 414 is one, and the other is two, and the two portions are connected in a two-in-one manner; alternatively, the number of the cylindrical portions 412 and the number of the rectangular portions 414 are both plural and are arranged in an alternately laminated connection manner.
When the number of the cylindrical portions 412 and the number of the rectangular body portions 414 are each one, the thicknesses of the cylindrical portions 412 and the rectangular body portions 414 may be uniform or non-uniform.
When one of the number of the cylindrical portions 412 and the number of the rectangular portions 414 is one, and the other is two and disposed in a two-in-one connection manner, the thicknesses of the two cylindrical portions 412 may be uniform or non-uniform, or the thicknesses of the two rectangular portions 414 may be uniform or non-uniform, and the thicknesses of the single cylindrical portion 412 and the single rectangular portion 414 may be uniform or non-uniform.
When the number of the cylindrical portions 412 and the number of the rectangular body portions 414 are plural and are disposed in an alternating stacked connection manner, the thickness of the plural cylindrical portions 412 may be uniform or non-uniform, the thickness of the plural rectangular body portions 414 may be uniform or non-uniform, and the thickness of the single cylindrical portion 412 and the single rectangular body portion 414 may be uniform or non-uniform.
When one of the number of the cylindrical portions 412 and the number of the rectangular portions 414 is one, and the other is two and disposed in a two-in-one connection manner, the cross-sectional areas of the two cylindrical portions 412 may be uniform or non-uniform, or the cross-sectional areas of the two rectangular portions 414 may be uniform or non-uniform.
When the number of the cylindrical portions 412 and the number of the rectangular body portions 414 are plural and are disposed in an alternating stacked connection manner, the cross-sectional areas of the plural cylindrical portions 412 may be uniform or non-uniform, and the cross-sectional areas of the plural rectangular body portions 414 may be uniform or non-uniform.
At least part of the corners of the cylindrical body 412 and the rectangular body 414 are provided with chamfered smooth transition, which can be a chamfered mode or a rounded mode.
The axis of the cylindrical body 412 and the geometric center of the rectangular body 414 are coaxially or eccentrically disposed.
The connector 420 may be a threaded connector 420, welded to the metal coating; alternatively, the connector 420 may be a PCB, and the surface of the body portion 410 is provided with a metalized coupling hole, and the PCB is mounted in the metalized coupling hole.
The connectors 420 may be provided at opposite ends of the body part 410, or the connectors 420 may be provided at arbitrary positions on the surfaces of the cylindrical part 412 and the rectangular part 414.
In the present embodiment, the material of the metal coating may be copper, silver, tin or aluminum.
Fifth embodiment
Referring to fig. 5 and 6 together, the present embodiment provides a filter 500 suitable for a 4G or 5G communication system, the filter 500 includes a main body portion 510, a metal coating (not shown), and a connector 520, the main body portion 510 may be a structure integrally formed by ceramic or a material having a dielectric coefficient similar to that of a ceramic material, the metal coating is coated on the surface of the main body portion 510, wherein an outer contour of the main body portion 510 is rectangular, the main body portion 510 includes a first rectangular cavity portion 512 and a second rectangular cavity portion 514 which are connected in a stacked manner, and a cross-sectional area of the first rectangular cavity portion 512 is larger than a cross-sectional area of the second rectangular cavity portion 514. Wherein first cuboid cavity portion 512 and second cuboid cavity portion 514 may each contain a resonant cavity or coupling window.
The main body part 510 of the filter 500 provided by the invention is of an integrally formed structure, and the main body part 510 is of a specific shape, so that the filter has the advantages of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
The first rectangular cavity part 512 is of a square structure or a rectangular structure; the second rectangular cavity section 514 has a square or rectangular configuration.
The number of the first rectangular body cavity portions 512 and the number of the second rectangular body cavity portions 514 are both one; or one of the number of the first rectangular cavity parts 512 and the number of the second rectangular cavity parts 514 is one, and the other is two and arranged in a two-in-one connection mode; or the number of the first rectangular body cavity portions 512 and the number of the second rectangular body cavity portions 514 are both multiple and arranged in an alternating laminated connection manner.
When the number of the first rectangular body cavity portions 512 and the number of the second rectangular body cavity portions 514 are both one, the thicknesses of the first rectangular body cavity portions 512 and the second rectangular body cavity portions 514 may be uniform or non-uniform.
When one of the number of the first rectangular body cavity portions 512 and the number of the second rectangular body cavity portions 514 is one and the other is two and arranged in a two-in-one connection manner, the thicknesses of the two first rectangular body cavity portions 512 may be uniform or non-uniform, or the thicknesses of the two second rectangular body cavity portions 514 may be uniform or non-uniform, and the thicknesses of the single first rectangular body cavity portion 512 and the single second rectangular body cavity portion 514 may be uniform or non-uniform.
When the number of the first rectangular body cavity portions 512 and the number of the second rectangular body cavity portions 514 are plural and are alternately stacked and connected, the thicknesses of the plural first rectangular body cavity portions 512 may be uniform or non-uniform, the thicknesses of the plural second rectangular body cavity portions 514 may be uniform or non-uniform, and the thicknesses of the single first rectangular body cavity portion 512 and the single second rectangular body cavity portion 514 may be uniform or non-uniform.
When one of the number of the first rectangular cavity portions 512 and the number of the second rectangular cavity portions 514 is one and the other is two and disposed in a two-in-one connection manner, the cross-sectional areas of the two first rectangular cavity portions 512 may be uniform or non-uniform, or the cross-sectional areas of the two second rectangular cavity portions 514 may be uniform or non-uniform.
When the number of the first rectangular body cavity portions 512 and the number of the second rectangular body cavity portions 514 are plural and are alternately stacked and connected, the cross-sectional areas of the plural first rectangular body cavity portions 512 may be uniform or non-uniform, and the cross-sectional areas of the plural second rectangular body cavity portions 514 may be uniform or non-uniform.
At least some corners of the outer contour of the main body portion 510 and the first and second rectangular cavity portions 512 and 514 are chamfered, and the chamfer may be a flat chamfer or a rounded chamfer.
The geometric center of the first rectangular body cavity portion 512 and the geometric center of the second rectangular body cavity portion 514 are coaxially or eccentrically disposed.
The connector 520 may be a threaded connector 520, welded to the metal coating; or the connector 520 is a PCB, and the surface of the body 510 is provided with a metalized coupling hole, and the PCB is mounted in the metalized coupling hole.
The connectors 520 may be disposed at opposite ends of the body portion 510, or the connectors 520 may be disposed at any position on the surface of the body portion 510.
In the present embodiment, the material of the metal coating may be copper, silver, tin or aluminum.
Sixth embodiment
Referring to fig. 7, the present embodiment provides a filter 600, which is applicable to a 4G or 5G communication system, the filter 600 includes a main body portion 610, a metal coating (not shown), and a connector 620, the main body portion 610 may be a structure integrally formed by ceramic or a material having a dielectric coefficient similar to that of a ceramic material, the metal coating is coated on a surface of the main body portion 610, an outer contour of the main body portion 610 is rectangular, the main body portion 610 includes a first cylindrical cavity portion 612 and a second cylindrical cavity portion 614 connected in a stacked manner, and a cross-sectional area of the first cylindrical cavity portion 612 is larger than a cross-sectional area of the second cylindrical cavity portion 614. Wherein the first cylindrical cavity portion 612 and the second cylindrical cavity portion 614 may each comprise a resonant cavity or a coupling window.
The main body part 610 of the filter 600 provided by the invention is of an integrally formed structure, and the main body part 610 is of a specific shape, so that the filter has the advantages of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
The first cylindrical cavity portion 612 has a perfect circular structure or an elliptical structure; the second cylindrical cavity portion 614 is of a right circular configuration or an elliptical configuration.
The number of the first cylindrical cavity portions 612 and the number of the second cylindrical cavity portions 614 are both one; or one of the number of the first cylindrical cavity portions 612 and the number of the second cylindrical cavity portions 614 is one, and the other is two, and the two cylindrical cavity portions are arranged in a two-in-one connection manner; or the number of the first cylindrical cavity portions 612 and the number of the second cylindrical cavity portions 614 are both multiple and are arranged in an alternating stacked connection manner.
When the number of the first cylinder chamber portions 612 and the number of the second cylinder chamber portions 614 are both one, the thicknesses of the first cylinder chamber portions 612 and the second cylinder chamber portions 614 may be uniform or non-uniform.
When one of the number of the first cylinder chamber portions 612 and the number of the second cylinder chamber portions 614 is one, and the other is two and disposed in a two-in-one connection manner, the thicknesses of the two first cylinder chamber portions 612 may be uniform or non-uniform, or the thicknesses of the two second cylinder chamber portions 614 may be uniform or non-uniform, and the thicknesses of the single first cylinder chamber portion 612 and the single second cylinder chamber portion 614 may be uniform or non-uniform.
When the number of the first cylinder chamber portions 612 and the number of the second cylinder chamber portions 614 are plural and are arranged in an alternating stacking connection manner, the thicknesses of the plural first cylinder chamber portions 612 may be uniform or non-uniform, the thicknesses of the plural second cylinder chamber portions 614 may be uniform or non-uniform, and the thicknesses of the single first cylinder chamber portion 612 and the single second cylinder chamber portion 614 may be uniform or non-uniform.
When one of the number of the first cylinder cavities 612 and the number of the second cylinder cavities 614 is one and the other is two and disposed in a two-in-one connection manner, the cross-sectional areas of the two first cylinder cavities 612 may be uniform or non-uniform, or the cross-sectional areas of the two second cylinder cavities 614 may be uniform or non-uniform.
When the number of the first cylindrical cavity portions 612 and the number of the second cylindrical cavity portions 614 are plural and are arranged in an alternating stacked connection manner, the cross-sectional areas of the plural first cylindrical cavity portions 612 may be uniform or non-uniform, and the cross-sectional areas of the plural second cylindrical cavity portions 614 may be uniform or non-uniform.
At least part of corners of the outer contour of the main body 610, the first cylindrical cavity 612 and the second cylindrical cavity 614 are chamfered, and may be chamfered or rounded.
The axial center of the first cylindrical cavity portion 612 and the axial center of the second cylindrical cavity portion 614 are coaxially or eccentrically arranged.
The connector 620 may be a threaded connector 620, welded to the metal coating; or the connector 620 is a PCB, the surface of the main body 610 is provided with a metalized coupling hole, and the PCB is installed in the metalized coupling hole.
The connectors 620 are disposed at opposite ends of the body portion 610, or the connectors 620 are disposed at arbitrary positions on the surface of the body portion 610.
In the present embodiment, the material of the metal coating may be copper, silver, tin or aluminum.
Seventh embodiment
Referring to fig. 8, the present embodiment provides a filter 700, which is applicable to a 4G or 5G communication system, the filter 700 includes a main body 710, a metal coating (not shown), and a connector 720, the main body 710 may be a structure integrally formed by ceramic or a material having a dielectric coefficient similar to that of a ceramic material, the metal coating is coated on a surface of the main body 710, an outer contour of the main body 710 is rectangular, the main body 710 includes a rectangular cavity 712, a first cylindrical cavity 714, and a second cylindrical cavity 716, which are stacked and connected, and a cross-sectional area of the rectangular cavity 712 and a cross-sectional area of the first cylindrical cavity 714 are both greater than a cross-sectional area of the second cylindrical cavity 716. The rectangular cavity portion 712, the first cylindrical cavity portion 714, and the second cylindrical cavity portion 716 may each include a resonant cavity or a coupling window.
The main body part 710 of the filter 700 provided by the invention is of an integrally formed structure, and the main body part 710 has a specific shape, so that the filter has the advantages of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
The rectangular cavity part 712 has a square structure or a rectangular structure; the first cylindrical cavity portion 714 has a right circular structure or an elliptical structure; the second cylindrical cavity portion 716 has a right circular configuration or an elliptical configuration.
The number of the rectangular body cavity portions 712, the number of the first cylindrical cavity portions 714, and the number of the second cylindrical cavity portions 716 are all one; or at least one of the number of the rectangular body cavity portions 712, the number of the first cylindrical cavity portions 714, and the number of the second cylindrical cavity portions 716 is at least two.
When the number of the rectangular body cavity portions 712, the number of the first cylindrical cavity portions 714, and the number of the second cylindrical cavity portions 716 are all one, the thicknesses of the rectangular body cavity portions 712, the first cylindrical cavity portions 714, and the second cylindrical cavity portions 716 may be uniform or non-uniform.
When at least one of the number of rectangular body cavities 712, the number of first cylindrical cavities 714, and the number of second cylindrical cavities 716 is at least two, the thicknesses of at least two rectangular body cavities 712 may or may not be uniform, or the thicknesses of at least two first cylindrical cavities 714 may or may not be uniform, or the thicknesses of at least two second cylindrical cavities 716 may or may not be uniform, wherein the thicknesses of a single rectangular body cavity 712, a single first cylindrical cavity 714, and a single second cylindrical cavity 716 may or may not be uniform.
When at least one of the number of rectangular body cavities 712, the number of first cylinder cavities 714, and the number of second cylinder cavities 716 is at least two, the cross-sectional areas of at least two rectangular body cavities 712 may be uniform or non-uniform, or the cross-sectional areas of two first cylinder cavities 714 may be uniform or non-uniform, or the cross-sectional areas of two second cylinder cavities 716 may be uniform or non-uniform.
At least part of corners of the outer contour of the main body 710, the rectangular cavity 712, the first cylindrical cavity 714 and the second cylindrical cavity 716 are chamfered and smoothed, and may be chamfered or rounded.
The geometric center of the rectangular cavity 712, the axial center of the first cylindrical cavity 714, and the axial center of the second cylindrical cavity 716 are coaxially or eccentrically disposed.
The connector 720 may be a threaded connector 720, welded to the metal coating; or the connector 720 is a PCB, the surface of the body 710 is provided with a metalized coupling hole, and the PCB is installed in the metalized coupling hole.
The connectors 720 are disposed at opposite ends of the body portion 710, or the connectors 720 are disposed at arbitrary positions on the surface of the body portion 710.
In the present embodiment, the material of the metal coating may be copper, silver, tin or aluminum.
Eighth embodiment
Referring to fig. 9 and 10, the present embodiment provides a filter 800, which is suitable for a 4G or 5G communication system, the filter 800 includes a main body 810, a metal coating (not shown), and a connector 820, the main body 810 may be a structure integrally formed by ceramic or a material having a dielectric coefficient similar to that of a ceramic material, the metal coating covers the surface of the main body 810, wherein an outer contour of the main body 810 is cylindrical, the main body 810 includes a first rectangular cavity portion 812 and a second rectangular cavity portion 814 connected in a stacked manner, and a cross-sectional area of the first rectangular cavity portion 812 is greater than a cross-sectional area of the second rectangular cavity portion 814. Wherein first cuboid cavity portion 812 and second cuboid cavity portion 814 may each contain a resonant cavity or a coupling window.
The main body part 810 of the filter 800 provided by the invention is of an integrally formed structure, and the main body part 810 is formed in a specific shape, so that the filter has the advantages of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
The first rectangular cavity portion 812 has a square structure or a rectangular structure; the second rectangular cavity portion 814 has a square or rectangular configuration.
The number of the first rectangular body cavity portions 812 and the number of the second rectangular body cavity portions 814 are both one; or one of the number of the first rectangular cavity portions 812 and the number of the second rectangular cavity portions 814 is one, and the other is two and arranged in a two-in-one connection manner; or the number of the first rectangular body cavities 812 and the number of the second rectangular body cavities 814 are both plural and arranged in an alternating stacked connection manner.
When the number of the first rectangular body cavity portions 812 and the number of the second rectangular body cavity portions 814 are both one, the thicknesses of the first rectangular body cavity portions 812 and the second rectangular body cavity portions 814 may be uniform or non-uniform.
When one of the number of the first rectangular cavity portions 812 and the number of the second rectangular cavity portions 814 is one and the other is two and disposed in a two-in-one connection manner, the thicknesses of the two first rectangular cavity portions 812 may be uniform or non-uniform, or the thicknesses of the two second rectangular cavity portions 814 may be uniform or non-uniform, and the thicknesses of the single first rectangular cavity portion 812 and the single second rectangular cavity portion 814 may be uniform or non-uniform.
When the number of the first rectangular body cavity portions 812 and the number of the second rectangular body cavity portions 814 are both plural and are arranged in an alternating stacking connection manner, the thicknesses of the plural first rectangular body cavity portions 812 may be uniform or non-uniform, the thicknesses of the plural second rectangular body cavity portions 814 may be uniform or non-uniform, and the thicknesses of the single first rectangular body cavity portion 812 and the single second rectangular body cavity portion 814 may be uniform or non-uniform.
When one of the number of the first rectangular body cavities 812 and the number of the second rectangular body cavities 814 is one and the other is two and disposed in a two-in-one connection manner, the cross-sectional areas of the two first rectangular body cavities 812 may be uniform or non-uniform, or the cross-sectional areas of the two second rectangular body cavities 814 may be uniform or non-uniform.
When the number of the first rectangular body cavities 812 and the number of the second rectangular body cavities 814 are both plural and are arranged in an alternating stacked connection manner, the cross-sectional areas of the plural first rectangular body cavities 812 may be uniform or non-uniform, and the cross-sectional areas of the plural second rectangular body cavities 814 may be uniform or non-uniform.
At least some corners of the outer contour of the main body 810, the first rectangular cavity 812, and the second rectangular cavity 814 are chamfered, and may be chamfered or rounded.
The geometric center of the first rectangular cavity portion 812 and the geometric center of the second rectangular cavity portion 814 are coaxially or eccentrically disposed
The connector 820 may be a threaded connector 820, welded to the metal coating; or the connector 820 is a PCB, the surface of the body 810 is provided with a metalized coupling hole, and the PCB is installed in the metalized coupling hole.
The connectors 820 are disposed at opposite ends of the body part 810, or the connectors 820 are disposed at arbitrary positions on the surface of the body part 810.
In the present embodiment, the material of the metal coating may be copper, silver, tin or aluminum.
Ninth embodiment
Referring to fig. 11, the present embodiment provides a filter 900, which is applicable to a 4G or 5G communication system, the filter 900 includes a main body portion 910, a metal coating (not shown in the figure) and a connector 920, the main body portion 910 may be a structure integrally formed by ceramic or a material having a dielectric coefficient similar to that of a ceramic material, the metal coating covers a surface of the main body portion 910, an outer contour of the main body portion 910 is cylindrical, the main body portion 910 includes a first cylindrical cavity portion 912 and a second cylindrical cavity portion 914 which are connected in a stacked manner, and a cross-sectional area of the first cylindrical cavity portion 912 is larger than a cross-sectional area of the second cylindrical cavity portion 914. Wherein the first cylindrical cavity portion 912 and the second cylindrical cavity portion 914 may each comprise a resonant cavity or a coupling window.
The main body part 910 of the filter 900 provided by the invention is of an integrally formed structure, and the main body part 910 is of a specific shape, so that the filter has the advantages of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
The first cylindrical cavity portion 912 has a right circular structure or an elliptical structure; the second cylindrical cavity portion 914 has a right circular configuration or an elliptical configuration.
The number of the first cylinder chamber portions 912 and the number of the second cylinder chamber portions 914 are both one; or one of the number of the first cylindrical cavity portions 912 and the number of the second cylindrical cavity portions 914 is one, and the other one is two and arranged in a two-in-one connection manner; or the number of the first cylindrical cavity portions 912 and the number of the second cylindrical cavity portions 914 are both plural and are arranged in an alternating stacked connection manner.
When the number of the first cylinder chamber portions 912 and the number of the second cylinder chamber portions 914 are both one, the thicknesses of the first cylinder chamber portions 912 and the second cylinder chamber portions 914 may be uniform or non-uniform.
When one of the number of the first cylinder cavity portions 912 and the number of the second cylinder cavity portions 914 is one, and the other is two and disposed in a two-in-one connection manner, the thicknesses of the two first cylinder cavity portions 912 may be uniform or non-uniform, or the thicknesses of the two second cylinder cavity portions 914 may be uniform or non-uniform, and the thicknesses of the single first cylinder cavity portion 912 and the single second cylinder cavity portion 914 may be uniform or non-uniform.
When the number of the first cylinder chamber portions 912 and the number of the second cylinder chamber portions 914 are plural and are arranged in an alternating stacking connection manner, the thicknesses of the plural first cylinder chamber portions 912 may be uniform or non-uniform, the thicknesses of the plural second cylinder chamber portions 914 may be uniform or non-uniform, and the thicknesses of the single first cylinder chamber portion 912 and the single second cylinder chamber portion 914 may be uniform or non-uniform.
When one of the number of the first cylinder cavities 912 and the number of the second cylinder cavities 914 is one and the other is two and disposed in a two-in-one connection manner, the cross-sectional areas of the two first cylinder cavities 912 may be uniform or non-uniform, or the cross-sectional areas of the two second cylinder cavities 914 may be uniform or non-uniform.
When the number of the first cylinder chamber portions 912 and the number of the second cylinder chamber portions 914 are plural and are arranged in an alternating stacking connection manner, the cross-sectional areas of the plural first cylinder chamber portions 912 may be uniform or non-uniform, and the cross-sectional areas of the plural second cylinder chamber portions 914 may be uniform or non-uniform.
The outer contour of the main body portion 910, at least some corners of the first cylindrical cavity portion 912 and the second cylindrical cavity portion 914 are chamfered, and may be chamfered or rounded.
The axis of the first cylindrical cavity 912 and the axis of the second cylindrical cavity 914 are coaxially or eccentrically disposed.
The connector 920 may be a threaded connector 920, welded to the metal coating; or the connector 920 is a PCB, and the surface of the body portion 910 is provided with a metalized coupling hole, and the PCB is installed in the metalized coupling hole.
The connectors 920 are disposed at opposite ends of the body portion 910, or the connectors 920 are disposed at arbitrary positions on the surface of the body portion 910.
In the present embodiment, the material of the metal coating may be copper, silver, tin or aluminum.
Tenth embodiment
Referring to fig. 12, the present embodiment provides a filter 950 applicable to a 4G or 5G communication system, the filter 950 includes a main body portion 960, a metal coating (not shown), and a connector 970, the main body portion 960 may be a structure integrally formed by ceramic or a material having a dielectric coefficient similar to that of a ceramic material, the metal coating covers a surface of the main body portion 960, an outer contour of the main body portion 960 is cylindrical, an inner portion of the main body portion 960 includes a rectangular cavity portion 962, a first cylindrical cavity portion 964, and a second cylindrical cavity portion 966, which are connected in a stacked manner, and a cross-sectional area of the rectangular cavity portion 962 and a cross-sectional area of the first cylindrical cavity portion 964 are larger than a cross-sectional area of the second cylindrical cavity portion 966. The rectangular cavity 962, the first cylindrical cavity 964, and the second cylindrical cavity 966 may each include a resonant cavity or a coupling window.
The main body portion 960 of the filter 950 provided by the invention is of an integrally formed structure, and the main body portion 960 is of a specific shape, so that the filter has the advantages of novel structure, convenience in manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost and the like.
The rectangular cavity 962 is of a square structure or a rectangular structure; the first cylindrical cavity portion 964 has a right circular structure or an elliptical structure; the second cylindrical cavity portion 966 has a right circular configuration or an elliptical configuration.
The number of the rectangular body cavities 962, the number of the first cylinder cavities 964, and the number of the second cylinder cavities 966 are all one; or at least one of the number of rectangular body cavities 962, the number of first cylinder cavities 964, and the number of second cylinder cavities 966 is at least two.
When the number of rectangular body cavities 962, the number of first cylinder cavities 964, and the number of second cylinder cavities 966 are all one, the thicknesses of rectangular body cavities 962, first cylinder cavities 964, and second cylinder cavities 966 may be uniform or non-uniform.
When at least one of the number of rectangular body cavities 962, the number of first cylinder cavities 964, and the number of second cylinder cavities 966 is at least two, the thicknesses of at least two rectangular body cavities 962 may or may not be uniform, or the thicknesses of at least two first cylinder cavities 964 may or may not be uniform, or the thicknesses of at least two second cylinder cavities 966 may or may not be uniform, wherein the thicknesses of a single rectangular body cavity 962, a single first cylinder cavity 964, and a single second cylinder cavity 966 may or may not be uniform.
When at least one of the number of rectangular body cavities 962, the number of first cylinder cavities 964, and the number of second cylinder cavities 966 is at least two, the cross-sectional areas of at least two rectangular body cavities 962 may be uniform or non-uniform, or the cross-sectional areas of two first cylinder cavities 964 may be uniform or non-uniform, or the cross-sectional areas of two second cylinder cavities 966 may be uniform or non-uniform.
The outer contour of the main body 960, the rectangular cavity 962, the first cylindrical cavity 964, and the second cylindrical cavity 966 are chamfered and smoothed at least at some corners, which may be chamfered or rounded.
The geometric center of the rectangular cavity 962, the axial center of the first cylindrical cavity 964, and the axial center of the second cylindrical cavity 966 are coaxially or eccentrically disposed.
The connector 970 may be a threaded connector 970 that is welded to the metal coating; or the connector 970 is a PCB, a metalized coupling hole is formed on the surface of the body portion 960, and the PCB is mounted in the metalized coupling hole.
The connectors 970 are provided at opposite ends of the body portion 960, or the connectors 970 are provided at arbitrary positions on the surface of the body portion 960.
In the present embodiment, the material of the metal coating may be copper, silver, tin or aluminum.
Eleventh embodiment
Referring to fig. 13, this embodiment provides a communication device 10, where the communication device 10 includes the filter described in any of the above embodiments, and certainly, the communication device 10 further includes other various circuit modules, which are not described herein since they do not relate to the invention.
In summary, it is easily understood by those skilled in the art that the main body of the filter provided by the present invention is an integrally formed structure, and the main body has a specific shape, so that the filter has the advantages of novel structure, convenient manufacturing, reliable precision, stable performance, high product yield, good consistency, low cost, etc.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A filter, characterized by: the filter comprises a main body part and a metal coating, wherein the metal coating covers the surface of the main body part, the main body part comprises a first rectangular body part and a second rectangular body part which are connected in a stacked mode, and the cross sectional area of the first rectangular body part is larger than that of the second rectangular body part.
2. The filter of claim 1, wherein:
the first rectangular body part is of a square structure or a rectangular structure;
the second rectangular body part is of a square structure or a rectangular structure.
3. The filter of claim 1, wherein:
the number of the first rectangular body portions and the number of the second rectangular body portions are both one; or
One of the number of the first rectangular body parts and the number of the second rectangular body parts is one, and the other one is two and is arranged in a two-in-one connection mode; or
The number of the first rectangular body portions and the number of the second rectangular body portions are both multiple and are arranged in an alternating stacking connection manner.
4. The filter of claim 3, wherein:
when the number of the first rectangular body portions and the number of the second rectangular body portions are both one, the thicknesses of the first rectangular body portions and the second rectangular body portions are uniform or non-uniform;
when one of the number of the first rectangular body parts and the number of the second rectangular body parts is one, and the other one is two and is arranged in a two-in-one connection mode, the thicknesses of the two first rectangular body parts are uniform or not uniform, or the thicknesses of the two second rectangular body parts are uniform or not uniform, wherein the thicknesses of the single first rectangular body part and the single second rectangular body part are uniform or not uniform;
when the number of the first rectangular body portions and the number of the second rectangular body portions are both plural and are arranged in an alternating stacked connection manner, the thicknesses of the plural first rectangular body portions are uniform or non-uniform, the thicknesses of the plural second rectangular body portions are uniform or non-uniform, and the thicknesses of the single first rectangular body portion and the single second rectangular body portion are uniform or non-uniform.
5. The filter of claim 3, wherein:
when one of the number of the first rectangular body parts and the number of the second rectangular body parts is one, and the other one is two and is arranged in a two-in-one connection mode, the cross sectional areas of the two first rectangular body parts are uniform or non-uniform, or the cross sectional areas of the two second rectangular body parts are uniform or non-uniform;
when the number of the first rectangular body portions and the number of the second rectangular body portions are both plural and are arranged in an alternating stacked connection manner, the cross-sectional areas of the plural first rectangular body portions are uniform or non-uniform, and the cross-sectional areas of the plural second rectangular body portions are uniform or non-uniform.
6. The filter of claim 1, wherein:
at least part of corners of the first rectangular body and the second rectangular body are provided with chamfer smooth transition;
the geometric center of the first rectangular body portion and the geometric center of the second rectangular body portion are coaxially or eccentrically arranged.
7. The filter of claim 1, wherein: the filter further comprises a connector;
the connector is a threaded connector and is connected with the metal coating in a welding mode; alternatively, the first and second electrodes may be,
the connector is a PCB, a metalized coupling hole is formed in the surface of the main body portion, and the PCB is arranged in the metalized coupling hole.
8. The filter of claim 7, wherein: the connectors are provided at opposite ends of the main body part, or
The connector is provided at an arbitrary position on the surface of the first rectangular body portion and the second rectangular body portion.
9. The filter of claim 1, wherein: the metal coating is made of copper, silver, tin or aluminum.
10. A communication device, characterized in that it comprises a filter according to any one of claims 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018125906 | 2018-12-29 | ||
| CNPCT/CN2018/125906 | 2018-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111384541A true CN111384541A (en) | 2020-07-07 |
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ID=71219187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910208738.XA Pending CN111384541A (en) | 2018-12-29 | 2019-03-19 | Filter and communication device |
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| Country | Link |
|---|---|
| CN (1) | CN111384541A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030107459A1 (en) * | 2001-10-30 | 2003-06-12 | Kazuaki Takahashi | Radio frequency module and method for manufacturing the same |
| KR20050008032A (en) * | 2003-07-14 | 2005-01-21 | 전자부품연구원 | Duplexer of mm wave |
| CN104701593A (en) * | 2015-02-02 | 2015-06-10 | 电子科技大学 | Short millimeter wave stacked type cylindrical cavity filter for restraining parasitic mode |
| CN104733820A (en) * | 2015-03-30 | 2015-06-24 | 摩比天线技术（深圳）有限公司 | Ceramic dielectric multi-mode filter and assembly method thereof |
| CN206893772U (en) * | 2017-06-19 | 2018-01-16 | 深圳乾瀚科技有限公司 | A kind of ceramic waveguide wave filter |
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2019
- 2019-03-19 CN CN201910208738.XA patent/CN111384541A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030107459A1 (en) * | 2001-10-30 | 2003-06-12 | Kazuaki Takahashi | Radio frequency module and method for manufacturing the same |
| KR20050008032A (en) * | 2003-07-14 | 2005-01-21 | 전자부품연구원 | Duplexer of mm wave |
| CN104701593A (en) * | 2015-02-02 | 2015-06-10 | 电子科技大学 | Short millimeter wave stacked type cylindrical cavity filter for restraining parasitic mode |
| CN104733820A (en) * | 2015-03-30 | 2015-06-24 | 摩比天线技术（深圳）有限公司 | Ceramic dielectric multi-mode filter and assembly method thereof |
| CN206893772U (en) * | 2017-06-19 | 2018-01-16 | 深圳乾瀚科技有限公司 | A kind of ceramic waveguide wave filter |
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Application publication date: 20200707 |