阅读说明：本技术 一种小型化宽带的空气带状线威尔金森功分器 (Air stripline Wilkinson power divider of miniaturized broadband ) 是由 马志清 许哲 刘俊龙 唐振宇 朱正航 于 2019-08-26 设计创作，主要内容包括：本发明涉及一种小型化宽带的空气带状线威尔金森功分器,包括接头、盖板、腔体、带线、绝缘子、电阻,其特征在于所述绝缘子为工字型绝缘子,所述腔体内配置定位孔,装有工字型绝缘子的带线置于定位孔中,带线与腔体之间用工字型绝缘子固定,电阻悬空焊接在带线上；所述接头与腔体采用紧压方式连接。本发明具有三阶互调好(一般可达到-150dBc,要求更高时可达-160dBc),插损小,体积小,并且具有良好机械稳定性(抗跌落、震动、碰撞等),装配调试简单等特点。(The invention relates to a miniaturized broadband air strip line Wilkinson power divider, which comprises a joint, a cover plate, a cavity, a strip line, an insulator and a resistor, and is characterized in that the insulator is an I-shaped insulator, a positioning hole is arranged in the cavity, the strip line provided with the I-shaped insulator is arranged in the positioning hole, the strip line and the cavity are fixed by the I-shaped insulator, and the resistor is welded on the strip line in a hanging manner; the joint is connected with the cavity in a pressing mode. The invention has the characteristics of good three-order intermodulation (generally reaching-150 dBc, and reaching-160 dBc when the requirement is higher), small insertion loss, small volume, good mechanical stability (drop resistance, vibration resistance, collision resistance and the like), simple assembly and debugging and the like.)

1. A miniaturized broadband air strip line Wilkinson power divider comprises a connector, a cover plate, a cavity, a strip line, an insulator and a resistor, and is characterized in that the insulator is an I-shaped insulator, the cavity is provided with a positioning hole, the strip line provided with the I-shaped insulator is arranged in the positioning hole, the strip line and the cavity are fixed by the I-shaped insulator, and the resistor is welded on the strip line in a hanging manner; the joint is connected with the cavity in a pressing mode.

2. The miniaturized broadband air stripline Wilkinson power divider of claim 1, wherein the cavity is internally provided with an air pocket step.

3. The miniaturized broadband air stripline Wilkinson power divider as claimed in claim 1, wherein the cover plate is an inner cover plate and an outer cover plate, the inner cover plate is in tight contact with the cavity, and the outer cover plate is fastened with the cavity through a sealing ring.

4. The miniaturized broadband air stripline Wilkinson power divider as claimed in claim 1, wherein a strip line is placed in the cavity and is placed in a positioning hole of the cavity by welding.

5. The miniaturized broadband air stripline Wilkinson power divider of claim 1, wherein the tabs and cavities are compressed by screws.

6. The miniaturized broadband air stripline Wilkinson power divider of claim 1 or 5, wherein the number of taps is three.

7. The miniaturized broadband air stripline Wilkinson power divider of claim 3, wherein the inner and outer cover plates are fastened to the cavity by screws.

Technical Field

The invention relates to a miniaturized broadband air strip line Wilkinson power divider, in particular to an air strip line Wilkinson power divider.

Background

At present, the microstrip Wilkinson power divider is used in the prior art. The microstrip Wilkinson power divider has large insertion loss and three-order intermodulation difference.

Disclosure of Invention

The invention aims to overcome the defects and design a miniaturized broadband air stripline Wilkinson power divider.

The technical scheme of the invention is as follows: the small broadband air strip line Wilkinson power divider comprises a joint, a cover plate, a cavity, a strip line, an insulator and a resistor, and is characterized in that the insulator is an I-shaped insulator, a positioning hole is arranged in the cavity, the strip line provided with the I-shaped insulator is arranged in the positioning hole, the strip line and the cavity are fixed by an I-shaped insulator, and the resistor is welded on the strip line in a hanging manner; the joint is connected with the cavity in a pressing mode.

Preferably, an air bag step is arranged inside the cavity.

The cover plate adopts an inner cover plate mode and an outer cover plate mode, the inner cover plate is in fastening contact with the cavity, and the outer cover plate is fastened with the cavity through a sealing ring.

A belt line is placed in the cavity and is placed in the positioning hole of the cavity in a welding mode. Only plays the roles of sealing, water proofing and beauty.

The joint and the cavity are tightly pressed through a screw.

The number of the joints is three.

The inner cover plate and the outer cover plate are fastened with the cavity through screws.

According to the miniaturized broadband air strip line Wilkinson power divider, the strip line and the cavity are fixed through the I-shaped insulator, the cavity is provided with the positioning hole, the strip line provided with the I-shaped insulator is placed in the positioning hole, the resistor is welded on the strip line in a suspension mode, the connector and the cavity are connected in a pressing mode, and the third-order intermodulation value is improved. The air bag step is arranged in the cavity, so that the structural size of the strip line Wilkinson power divider is reduced. The inner cover plate and the outer cover plate are adopted, the cavity is in fastening contact with the inner cover plate, and the outer cover plate only plays the roles of sealing, water proofing and attractiveness.

The invention has the characteristics of good three-order intermodulation (generally reaching-150 dBc, reaching-160 dBc when the requirement is higher), small insertion loss, small volume, good mechanical stability (drop resistance, vibration resistance, collision resistance and the like), simple assembly and debugging and the like.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the figure, 1-cavity, 2-joint, 3-strip line, 4-I-shaped insulator, 5-resistor, 6-inner cover plate, 7-outer cover plate, 8-screw, 9-sealing ring and 10-positioning hole.

Detailed Description

The present invention will be described in detail below with reference to examples and the accompanying drawings.

Example (b): the small broadband air strip line Wilkinson power divider is mainly characterized in that the insulator is an I-shaped insulator 4, a positioning hole 10 is arranged in the cavity 1, the strip line 3 provided with the I-shaped insulator 4 is placed in the positioning hole 10, the strip line 3 and the cavity 1 are fixed through the I-shaped insulator 4, the resistor 5 is welded on the strip line 3 in a hanging mode, and the connector 2 is connected with the cavity 1 in a pressing mode.

In the embodiment, an air bag step is arranged inside the cavity 1; the apron adopts interior outer apron mode, and interior apron 6 and cavity 1 fastening contact, and outer apron 7 passes through sealing washer 9 and cavity 1 fastening, and interior outer apron passes through screw 8 and cavity 1 fastening.

In the embodiment, a strip line 3 is placed in the cavity 1 and is placed in a positioning hole of the cavity 1 in a welding mode. The connectors 2 are tightly pressed with the cavity 1 through screws 8, and the number of the connectors 2 is three in the embodiment.

The present embodiment is assembled as follows: the connector 2 is tightly pressed into the cavity 1, the connector 2 is fastened through a screw 8, the I-shaped insulator 4 is clamped on the strip line 3 and is correspondingly placed in a positioning hole 10 in the cavity 1, the strip line 3 and the I-shaped insulator 4 are sequentially placed into the cavity 1 through tools and welded, the resistor 5 is welded on the strip line 3 in a suspended mode, an inner cavity is cleaned, the inner cover plate 6 is fastened with the cavity 1 through the screw 8, the sealing ring 9 is placed, and finally the outer cover plate 7 is fastened with the cavity 1.

The invention is used in an indoor distribution system, because the realization mode is a strip line 3 structure, the strip line 3 is made of metal plates, the joint 2 is tightly pressed in the cavity 1, and the inner cover plate 6 is independently contacted and fastened with the cavity 1, the invention well improves the conventional performance and the third-order intermodulation (generally reaching-150 dBc, and reaching-160 dBc when the requirement is higher); the strip line 3 is fixed by the I-shaped insulator 4 and is correspondingly placed in the positioning hole in the cavity 1, so that the mechanical stability (drop resistance, vibration resistance, collision resistance and the like) of the strip line Wilkinson power divider is improved; the sealing ring 9 and the outer cover plate 7 are fastened with the cavity 1, so that the sealing performance and the attractiveness are ensured.

The upper left corner in fig. 1 shows the mutual assembly and connection state of the cavity 1, the strip line 3, the i-shaped insulator 4, the resistor 5 and the connector 2 after the inner cover plate 6 and the outer cover plate 7 are taken away, and the lower right corner is the situation of covering the inner cover plate and the outer cover plate.