CN219203487U

CN219203487U - DC bias ware suitable for basic station antenna

Info

Publication number: CN219203487U
Application number: CN202320281738.4U
Authority: CN
Inventors: 孟奇; 陆智明; 陈卫明; 胡素衡
Original assignee: Suzhou Latitude Antenna Co ltd
Current assignee: Suzhou Latitude Antenna Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-16
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses a direct current bias device suitable for a base station antenna, which comprises a die-casting cavity, wherein a second cable is positioned at one end of the die-casting cavity, a first cable is positioned at the other end of the die-casting cavity, a PCBA plate is positioned at the back of the die-casting cavity, a core-penetrating capacitor, a hollow coupling copper column, a fixed gasket, an inductor, an insulating sleeve and a coupling solid copper column are arranged in the die-casting cavity, the coupling solid copper column, the fixed gasket, the insulating sleeve and the hollow coupling copper column are connected, and the coupling solid copper column is connected with the position of the second cable. The direct current bias device suitable for the base station antenna adopts the form of taking the air medium coaxial line as the main input line, and further utilizes the integrated design of the structure to fundamentally solve the problems of low assembly consistency, unstable performance, non-universal parts, high price and large test quantity.

Description

DC bias ware suitable for basic station antenna

Technical Field

The utility model relates to the field of base station antennas, in particular to a direct current bias device suitable for a base station antenna.

Background

The direct current bias device is a supporting structure for coupling base station antennas, the direct current bias device commonly applied in the market at present is in two forms of air microstrip coupling and PCB microstrip line and capacitor, and along with the continuous development of technology, the requirements of people on the manufacturing process of the direct current bias device are higher and higher.

The existing direct current bias device has certain defects when in use, the air microstrip coupling type direct current bias device has low assembly consistency, unstable performance and larger testing and debugging quantity; in addition, the direct current bias device in the form of the PCB microstrip line and the capacitor is small in selection space in the market of the type of the capacitor and high in price due to larger input power, and is not ideal from the perspective of practical engineering application and universality of parts, and brings certain adverse effects to the practical use process.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the direct current bias device suitable for the base station antenna, which adopts the air medium coaxial line as a main input line, and further utilizes the integrated design of the structure to fundamentally solve the problems of low assembly consistency, unstable performance, non-common parts, high price and large test quantity, and can effectively solve the problems in the background technology.

(II) technical scheme

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a direct current biaser suitable for basic station antenna, includes the die-casting cavity, the one end position location of die-casting cavity has the second cable, the other end position location of die-casting cavity has first cable, the back location of die-casting cavity has the PCBA board, the internally mounted of die-casting cavity has through heart electric capacity, hollow coupling copper post, fixed washer, inductance, insulating sleeve and the solid copper post of coupling.

Preferably, the coupling solid copper column, the fixing gasket, the insulating sleeve and the hollow coupling copper column are connected, the coupling solid copper column is connected with the position of the second cable, the hollow coupling copper column is connected with the position of the first cable, the insulating sleeve is connected with an inductor, and the inductor is connected with a penetration capacitor.

Preferably, the punching capacitor is clamped into the right side cylindrical cavity of the die-casting cavity, and the fixed gasket is clamped into the left side cavity of the die-casting cavity.

Preferably, the insulating sleeve is sleeved into the outer ring of the coupling solid copper column and is plugged into the fixed gasket, and the hollow coupling copper plunger is plugged into the fixed gasket and is coupled with the coupling solid copper column.

Preferably, the first cable and the second cable are welded with the coupling solid copper column and the hollow coupling copper column respectively, and the inductor is welded.

Preferably, the inside of the die casting cavity adopts an air medium coaxial line as a main input line structure and the inside of the die casting cavity is an integrated structure.

(III) beneficial effects

Compared with the prior art, the utility model provides the direct current bias device suitable for the base station antenna, which has the following beneficial effects: this direct current biaser suitable for basic station antenna adopts the form of air medium coaxial line as main input line, and then utilizes the integrated design of structure, the assembly uniformity is not high has fundamentally been solved, the performance is unstable, spare part is not general and the price is high, and the problem that the test quantity is big, the punching electric capacity card is gone into in the right side cylinder cavity of die casting cavity, in the left side cavity of die casting cavity was gone into to the fixed washer card, insulating sleeve embolia the outer lane of coupling solid copper post and pack into in the fixed washer, hollow coupling copper plunger goes into in the fixed washer and couples with coupling solid copper post, first cable, the welding is carried out between second cable and coupling solid copper post, hollow coupling copper post respectively, the inductance welds, whole direct current biaser simple structure, and convenient operation, the effect of using is better for traditional mode.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a dc bias device suitable for a base station antenna according to the present utility model.

Fig. 2 is a schematic diagram of a top view of a dc bias device suitable for a base station antenna according to the present utility model.

Fig. 3 is a schematic diagram of a back view of a dc bias suitable for a base station antenna according to the present utility model.

Fig. 4 is a schematic diagram of the internal structure of a dc bias device suitable for a base station antenna according to the present utility model.

In the figure: 1. a die casting cavity; 2. a first cable; 3. a second cable; 4. PCBA board; 5. a feedthrough capacitor; 6. hollow coupling copper columns; 7. a stationary washer; 8. an inductance; 9. an insulating sleeve; 10. and coupling the solid copper columns.

Detailed Description

The technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings and detailed description, but it will be understood by those skilled in the art that the examples described below are some, but not all, examples of the present utility model, and are intended to be illustrative of the present utility model only and should not be construed as limiting the scope of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, a direct current bias device suitable for a base station antenna comprises a die-casting cavity 1, wherein a second cable 3 is positioned at one end of the die-casting cavity 1, a first cable 2 is positioned at the other end of the die-casting cavity 1, a PCBA plate 4 is positioned at the back of the die-casting cavity 1, a core-penetrating capacitor 5, a hollow coupling copper column 6, a fixed gasket 7, an inductor 8, an insulating sleeve 9 and a coupling solid copper column 10 are arranged in the die-casting cavity 1, an air medium coaxial line is adopted as a main input line, and the problems of low assembly consistency, unstable performance, non-universal parts, high price and large test quantity are fundamentally solved by utilizing the integrated design of a structure.

Further, the coupling solid copper column 10, the fixing gasket 7, the insulating sleeve 9 and the hollow coupling copper column 6 are connected, the coupling solid copper column 10 is connected with the position of the second cable 3, the hollow coupling copper column 6 is connected with the position of the first cable 2, the insulating sleeve 9 is connected with the inductor 8, and the inductor 8 is connected with the punching capacitor 5.

Further, the punching capacitor 5 is clamped into the right side cylindrical cavity of the die-casting cavity 1, and the fixed gasket 7 is clamped into the left side cavity of the die-casting cavity 1.

Further, the insulating sleeve 9 is sleeved into the outer ring of the coupling solid copper column 10 and is plugged into the fixed gasket 7, and the hollow coupling copper column 6 is plugged into the fixed gasket 7 and is coupled with the coupling solid copper column 10.

Further, the first cable 2 and the second cable 3 are respectively welded with the coupling solid copper column 10 and the hollow coupling copper column 6, and the inductor 8 is welded.

Further, an air medium coaxial line is adopted as a main input line structure in the die-casting cavity 1, and an integrated structure is adopted in the die-casting cavity.

Working principle: the utility model comprises a die-casting cavity 1, a first cable 2, a second cable 3, a PCBA plate 4, a punching capacitor 5, a hollow coupling copper column 6, a fixed gasket 7, an inductor 8, an insulating sleeve 9 and a coupling solid copper column 10, wherein the punching capacitor 5 is clamped in a right side cylindrical cavity of the die-casting cavity 1, the fixed gasket 7 is clamped in a left side cavity of the die-casting cavity 1, the insulating sleeve 9 is sleeved in an outer ring of the coupling solid copper column 10 and is plugged in the fixed gasket 7, the hollow coupling copper column 6 is plugged in the fixed gasket 7 and is coupled with the coupling solid copper column 10, the first cable 2 and the second cable 3 are respectively welded with the coupling solid copper column 10 and the hollow coupling copper column 6, and the inductor 8 is welded in a mode of taking an air medium coaxial line as a main input line, so that the problems of low assembly consistency, unstable performance, non-common parts, high price and large testing quantity are fundamentally solved by using the integrated design of the structure.

It should be noted that in this document, relational terms such as first and second (first and second), and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a direct current biaser suitable for basic station antenna, includes die casting cavity (1), its characterized in that: the novel die-casting die comprises a die-casting cavity (1), and is characterized in that a second cable (3) is positioned at one end of the die-casting cavity (1), a first cable (2) is positioned at the other end of the die-casting cavity (1), a PCBA (printed circuit board assembly) is positioned at the back of the die-casting cavity (1), and a punching capacitor (5), a hollow coupling copper column (6), a fixing gasket (7), an inductor (8), an insulating sleeve (9) and a coupling solid copper column (10) are arranged in the die-casting cavity (1).

2. A dc-biaser for a base station antenna as claimed in claim 1, wherein: the novel cable is characterized in that the novel cable is connected between the coupling solid copper column (10), the fixing gasket (7), the insulating sleeve (9) and the hollow coupling copper column (6), the coupling solid copper column (10) is connected with the position of the second cable (3), the hollow coupling copper column (6) is connected with the position of the first cable (2), the insulating sleeve (9) is connected with the inductor (8), and the inductor (8) is connected with the punching capacitor (5).

3. A dc-biaser for a base station antenna as claimed in claim 1, wherein: the punching capacitor (5) is clamped into the right side cylindrical cavity of the die-casting cavity (1), and the fixed gasket (7) is clamped into the left side cavity of the die-casting cavity (1).

4. A dc-biaser for a base station antenna as claimed in claim 1, wherein: the insulating sleeve (9) is sleeved into the outer ring of the coupling solid copper column (10) and is plugged into the fixed gasket (7), and the hollow coupling copper column (6) is plugged into the fixed gasket (7) and is coupled with the coupling solid copper column (10).

5. A dc-biaser for a base station antenna as claimed in claim 1, wherein: the first cable (2) and the second cable (3) are welded with the coupling solid copper column (10) and the hollow coupling copper column (6) respectively, and the inductor (8) is welded.

6. A dc-biaser for a base station antenna as claimed in claim 1, wherein: the die-casting cavity (1) adopts an air medium coaxial line as a main input line structure and is internally of an integrated structure.