Ultra-wideband high-power coaxial four-power divider

Abstract

The utility model discloses an ultra-wide-band high-power coaxial four-power divider which comprises a metal cavity, a first metal inner conductor and a second metal inner conductor are sequentially arranged in the metal cavity from left to right, and the ultra-wide-band high-power coaxial four-power divider further comprises four output connectors connected with the second metal inner conductor in a matched mode. The four output connectors are symmetrically arranged on the upper side and the lower side of the metal cavity in pairs, and the distance between the two output connectors located on the same side is half-wavelength. According to the power divider, the output ports of the power divider are symmetrically arranged along the center line of the cavity, the two pairs of output terminal ports are spaced by the half-wavelength distance, and the influence of impedance mutation at the joint of the insertion core and the connecting rod on the product performance is improved through the half-wavelength impedance converter; the high-frequency band amplitude balance degree of the broadband power divider is effectively improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of power dividers, in particular to an ultra-wideband large-power coaxial four-power divider. BACKGROUND

[0002] At present, the output port setting of a coaxial four-power divider designed in a traditional mode is usually in the form of being spaced and rotated by 90 degrees along the cavity wall, which cannot make the product be placed horizontally on a horizontal plane, and the installation of the product is very inconvenient, and a customized support is required; another mode is to set the ports on the side, top and tail of the cavity, and the port setting can make the amplitude balance of the insertion loss from the input to the output be poor at a high frequency of a wideband device (for example, a frequency band of 6425-7125 MHz of U6G, which is considered to be one of key frequency bands meeting the communication demand of 6G, and the research and application of the frequency band help improve the transmission rate of data and the system capacity, and meet the high-performance requirement of future communication networks), and the use requirement cannot be met. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing an ultra-wideband large-power coaxial four-power divider to overcome the defects in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The application discloses an ultra-wideband large-power coaxial four-power divider, which comprises a metal cavity, and a first metal inner conductor and a second metal inner conductor are sequentially arranged in the metal cavity from left to right, characterized in that: four output connecting heads matched with the second metal inner conductor are further arranged, the four output connecting heads are symmetrically arranged on the upper and lower sides of the metal cavity, and the distance between the two output connecting heads on the same side is half a wavelength.

[0006] Preferably, in the above-mentioned ultra-wideband large-power coaxial four-power divider, the first metal inner conductor is composed of a plurality of first metal rods with a diameter that increases in a stepped mode from left to right and connected end to end, and the second metal inner conductor is composed of a plurality of second metal rods with a diameter that increases in a stepped mode from left to right and connected end to end.

[0007] Preferably, in the above-mentioned ultra-wideband large-power coaxial four-power divider, one end of the second metal inner conductor facing the first metal inner conductor is provided with a groove, one end of the first metal inner conductor facing the second metal inner conductor extends into the groove, a PTFT sleeve is arranged on the first metal inner conductor in the groove, an annular flange is protrudingly arranged on the PTFT sleeve, and the annular flange abuts against the end face of the second metal inner conductor facing the first metal inner conductor.

[0008] Preferably, in the above-mentioned ultra-wideband large-power coaxial four-power divider, the outer wall of the PTFT sleeve abuts against the inner wall of the groove.

[0009] Preferably, in the above-mentioned ultra-wideband high-power coaxial four power dividers, the first metal inner conductor, the second metal inner conductor and the metal cavity are coaxially arranged.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] The equivalent capacitance loading of PTFE (polytetrafluoroethylene) support is arranged between the first metal inner conductor and the second metal inner conductor to achieve the blocking effect of the direct current signal; the output ports of the power divider are symmetrically arranged along the center line of the cavity, and the distance between the two pairs of output terminals is half a wavelength, and the half-wave impedance transformer is used to improve the influence of the impedance mutation at the connection between the plug and the connecting rod on the product performance, thereby effectively improving the amplitude balance degree of the high-frequency band of the wideband power divider; the circuit structure is simple, the main body structure can be manufactured through turning process, the product consistency is good, the tolerance tolerance is high, the mass production can be met, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained without creative labor according to these drawings.

[0013] Fig. 1 The structure of the ultra-wideband high-power coaxial four power dividers in the embodiment of the utility model is shown.

[0014] Fig. 2 The structure of the ultra-wideband high-power coaxial four power dividers in the embodiment of the utility model is shown. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be described in detail below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0016] Referring to Figs. 1-2As shown, the ultra-wideband high-power coaxial four power divider in the embodiment comprises a metal cavity 1, a first metal inner conductor 2 and a second metal inner conductor 3 are sequentially arranged in the metal cavity 1 from left to right, further comprising four output connecting heads 4 connected with the second metal inner conductor 3, the four output connecting heads 4 are symmetrically arranged on the upper and lower sides of the metal cavity 1, and the distance between the two output connecting heads 4 on the same side is half a wavelength.

[0017] Further, the first metal inner conductor 2 is composed of a plurality of first metal rods 201 with a stepped increase in diameter from left to right, and the second metal inner conductor 3 is composed of a plurality of second metal rods 301 with a stepped increase in diameter from left to right.

[0018] Further, the second metal inner conductor 3 is provided with a groove 5 towards the first metal inner conductor 2, the first metal inner conductor 2 extends into the groove 5 towards the second metal inner conductor 3, a PTFT sleeve 6 is sleeved on the first metal inner conductor 2 in the groove 5, an annular flange 7 is provided on the PTFT sleeve 6, and the annular flange 7 abuts against the end surface of the second metal inner conductor 3 towards the first metal inner conductor 2.

[0019] Further, the outer wall of the PTFT sleeve 6 abuts against the inner wall of the groove 5.

[0020] Further, the first metal inner conductor 2, the second metal inner conductor 3 and the metal cavity 1 are coaxially arranged.

[0021] In the technical scheme, the equivalent capacitance loading supported by PTFE (polytetrafluoroethylene) is arranged between the first metal inner conductor and the second metal inner conductor to achieve the blocking effect of the direct current signal; the output ports of the power divider are symmetrically placed along the center line of the cavity, and the distance between the two pairs of output terminals is half a wavelength, and the half-wave impedance transformer is used to improve the influence of the impedance mutation at the connection between the plug and the connecting rod on the product performance, thereby effectively improving the amplitude balance degree of the wideband power divider in the high frequency band; the circuit structure is simple, the main structure can be manufactured by turning process, the product consistency is good, the tolerance is high, and the mass production can be met and the cost can be reduced.

[0022] It is to be noted that, as used in this document, the term "indicia" is intended to encompass any type of data, information, or other content, whether in the form of text, graphics, images, video, audio, or otherwise. It is to be further noted that, as used in this document, the terms "coupled" and "connected," along with derivatives thereof, can be used to mean one or more of the following: in electrical communication with; physically contacting with; in long-distance communication with; and / or not in direct contact with. It is to be further noted that the terms "comprise", "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 can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0023] The foregoing merely illustrates the principles of the application. It will thus be appreciated that those skilled in the art will be able to devise various arrangements which, although not explicitly described or shown herein, embody the principles of the application and are thus within its spirit and scope.

Claims

1. An ultra-wideband high-power coaxial four-way power divider comprising a metal cavity, a first metal inner conductor and a second metal inner conductor are sequentially arranged in the metal cavity from left to right, characterized in that: Four output connectors matched with the second metal inner conductor are further included, and the four output connectors are symmetrically arranged on the upper and lower sides of the metal cavity, and the distance between the two output connectors on the same side is half a wavelength.

2. The ultra-wideband high power in-line four-way power divider according to claim 1, characterized in that: The first metal inner conductor is composed of a plurality of first metal rods with a diameter increasing in a stepwise manner from left to right and connected end to end.

3. An ultra-wideband high power in-line four-way power divider according to claim 2, characterized in that: One end of the second metal inner conductor is provided with a groove, and one end of the first metal inner conductor extends into the groove, a PTFT sleeve is arranged on the first metal inner conductor in the groove, an annular flange is protruded on the PTFT sleeve, and the annular flange is in abutment with the end surface of the second metal inner conductor facing the first metal inner conductor.

4. An ultra-wideband high power in-line four-way power divider according to claim 3, characterized in that: The outer wall of the PTFT sleeve is in abutment with the inner wall of the groove.

5. The ultra-wideband high power in-line four-way power divider of claim 1, wherein: The first metal inner conductor, the second metal inner conductor and the metal cavity are coaxially arranged.

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