High-pass and low-pass duplexer with pure copper sheet structure

Abstract

The utility model discloses a high-pass and low-pass duplexer with a pure copper sheet structure, and belongs to the field of filters. A high-pass and low-pass duplexer with a pure copper sheet structure comprises a shell and a cavity arranged on the shell and further comprises a common end input connector, a low end output connector and a high end output connector which are all arranged on the outer wall of the shell. The common end input connector, the low end output connector and the high end output connector are connected with an input core rod, a low end output core rod and a high end output core rod respectively. The high-low pass copper sheet is arranged in the cavity, and the input core rod, the low-end output core rod and the high-end output core rod are arranged at one end in the cavity and correspond to the high-low pass copper sheet; according to the utility model, the disadvantage that strong coupling is difficult to realize in the design of a broadband combiner is solved, a relatively wide passband can be realized, and the design is relatively easy to control product indexes, free of tuning, small in size and high in consistency; and the processing consistency and the cost are relatively low, and the control is easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field especially relates to a pure copper sheet structure high pass low pass duplexer. BACKGROUND

[0002] Duplexer is an electronic component for signal processing and frequency selection, mainly used for intercom, satellite communication, etc. ; The feature is that it can send and receive at the same time, improving the spectral efficiency. Compared with the filter, the duplexer pays more attention to the separation and combination of signals, while the filter focuses on the frequency selection and processing of signals.

[0003] The combiner is a kind of passive device for combining multiple signals into single signal output. In the design of wideband combiner, due to the relatively wide passband, if the conventional design port is used, coupling is difficult to achieve, which can easily lead to mutual interference between signals of different frequency bands, affecting communication quality, and can cause signal loss during transmission, reducing signal strength. The design is to change the conventional cavity filter scheme to copper sheet form high pass filter plus copper sheet low pass form integration, which is convenient to use and easy to control. SUMMARY

[0004] The utility model discloses a pure copper sheet structure high pass low pass duplexer to solve the problems in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of pure copper sheet structure high pass low pass duplexer, including shell and the cavity being set on shell, further include:

[0007] Common end input connector, low end output connector and high end output connector are all set on the outer wall of shell, and input core rod, low end output core rod and high end output core rod are respectively connected on the common end input connector, low end output connector and high end output connector;

[0008] High-low pass copper sheet is set in cavity, and the one end of input core rod, low end output core rod and high end output core rod in cavity corresponds with high-low pass copper sheet;

[0009] First recess and second recess are arranged on the left side of high-low pass copper sheet, and lengthened copper sheet is arranged on the right side of high-low pass copper sheet.

[0010] Preferably, the common end input connector and the high end output connector are arranged on the same side of the shell, the low end output connector is arranged on the outer wall of the side of the shell away from the common end input connector, and the common end input connector and the low end output connector are located on the same plane.

[0011] Further, the common end input joint is provided with an input fixing plate, the input fixing plate is connected with an input fixing screw, and the input fixing screw passes through the input fixing plate and is connected with the shell in a threaded mode.

[0012] Further, the low end output joint is provided with a low end output fixing plate, the low end output fixing plate is provided with a low end output fixing screw, and the low end output fixing screw is connected with the shell in a threaded mode at one end of the low end output fixing plate.

[0013] Further, the high end output joint is provided with a high end output fixing plate, the high end output fixing plate is connected with a high end output fixing screw, and the high end output fixing screw passes through one end of the high end output fixing plate and is connected with the shell in a threaded mode.

[0014] Preferably, the high-low copper sheet is provided with a first welding groove, a second welding groove and a third welding groove, the first welding groove, the second welding groove and the third welding groove are arranged at three corners of the high-low copper sheet respectively, and the common end input joint, the low end output joint and the high end output joint are respectively inserted into the first welding groove, the second welding groove and the third welding groove at one end in the cavity.

[0015] Further, the shell is connected with a cover plate, the shell is provided with a mounting hole, the mounting hole is connected with a locking screw, and the cover plate is fixedly connected with the shell through the locking screw.

[0016] Further, the high-low copper sheet is arranged between the first vertical plate and the second vertical plate, and the lengthened copper sheet on the high-low copper sheet is arranged between the first horizontal plate and the second horizontal plate.

[0017] Further, the inner wall of the cover plate is respectively provided with a first long groove and a second long groove, the first vertical plate and the first horizontal plate are respectively arranged in the first long groove and the second long groove, the inner wall of the cavity is provided with a third long groove and a fourth long groove, and the second vertical plate and the second horizontal plate are respectively arranged in the third long groove and the fourth long groove.

[0018] Further, the first vertical plate, the second vertical plate, the first horizontal plate and the second horizontal plate are all provided with a plurality of the first recess and the second recess, the first recess on the high-low copper sheet gradually decreases from the middle to both sides, and the second recess on the high-low copper sheet gradually increases from the middle to both sides.

[0019] Compared with the prior art, the high-low copper sheet structure high-pass low-pass duplexer has the following beneficial effects:

[0020] 1. The high-pass low-pass duplexer with a pure copper sheet structure, a signal is input through a common end input joint, then the signal is transmitted into the cavity, the original copper sheet form high-pass filter is integrated with the copper sheet low-pass form through the set high-low pass copper sheet, the disadvantages of difficult to realize strong coupling in the design of a broadband combiner are solved, relatively wide passband can be realized, the product index is relatively easy to control, tuning-free, small in size, high in consistency, the processing consistency and cost are relatively low and easy to control, the signals after the filtering operation can be output through the set low-end output joint and high-end output joint.

[0021] 2. The high-pass low-pass duplexer with a pure copper sheet structure, first, second and third welding grooves are arranged on three corners of the high-low pass copper sheet, the input core rod, the low-end output core rod and the high-end output core rod are welded with the high-low pass copper sheet respectively, the stable interatomic binding force between the high-low pass copper sheet and the input core rod, the low-end output core rod and the high-end output core rod is formed through welding, the mechanical strength of the joint and the stability of the electrical connection are ensured, low-resistance connection between the high-low pass copper sheet and the input core rod, the low-end output core rod and the high-end output core rod is realized, the loss in the signal transmission process is reduced, and the transmission efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A structure diagram of the high-pass low-pass duplexer with a pure copper sheet structure is provided for the utility model Figure 1 ;

[0023] Figure 2 A structure diagram of the high-pass low-pass duplexer with a pure copper sheet structure is provided for the utility model Figure 2 ;

[0024] Figure 3 A structure diagram of the high-pass low-pass duplexer with a pure copper sheet structure is provided for the utility model

[0025] Figure 4 A structure diagram of the high-pass low-pass duplexer with a pure copper sheet structure is provided for the utility model

[0026] Figure 5 A structure diagram of the high-pass low-pass duplexer with a pure copper sheet structure is provided for the utility model

[0027] Figure 6 A structure diagram of the high-pass low-pass duplexer with a pure copper sheet structure is provided for the utility model Figure 1 ;

[0028] Figure 7 A structure diagram of the high-pass low-pass duplexer with a pure copper sheet structure is provided for the utility model Figure 2 ;

[0029] Figure 8 The utility model provides a kind of structure schematic diagram of cover plate in high-pass low-pass duplexer of pure copper sheet structure.

[0030] In the drawing: 1, shell;101, cover plate;102, locking screw;103, cavity;104, mounting hole;105, first long slot;106, second long slot;107, third long slot;108, fourth long slot;2, public end input connector;201, input fixed plate;202, input fixed screw;203, input core rod;3, low-end output connector;301, low-end output fixed plate;302, low-end output fixed screw;303, low-end output core rod;4, high-end output connector;401, high-end output fixed plate;402, high-end output fixed screw;403, high-end output core rod;5, high-low pass copper sheet;501, first welding slot;502, second welding slot;503, third welding slot;504, first vertical plate;505, second vertical plate;506, first horizontal plate;507, second horizontal plate;508, first recess;509, second recess;510, lengthened copper sheet. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0032] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. EMBODIMENT

[0033] REFERENCE Figures 1-8 A kind of pure copper sheet structure high-pass low-pass duplexer, including shell 1 and the cavity 103 being set on shell 1, further include: public end input connector 2, low-end output connector 3 and high-end output connector 4, all are set on the outer wall of shell 1, and input core rod 203, low-end output core rod 303 and high-end output core rod 403 are respectively connected on public end input connector 2, low-end output connector 3 and high-end output connector 4;High-low pass copper sheet 5 is provided in cavity 103, and one end of input core rod 203, low-end output core rod 303 and high-end output core rod 403 in cavity 103 corresponds with high-low pass copper sheet 5;First recess 508 and second recess 509 are arranged on the left side of high-low pass copper sheet 5, and lengthened copper sheet 510 is arranged on the right side of high-low pass copper sheet 5.

[0034] In this embodiment, when in use, the signal is input through the common end input joint 2, and then the signal is transmitted into the cavity 103. The high-low copper sheet 5 is capable of integrating the high-pass filter in the form of copper sheet and the low-pass filter in the form of copper sheet, solving the disadvantage of difficult to achieve strong coupling in the design of the broadband combiner, capable of achieving a relatively wide passband, and the design is relatively easy to control the product index, free of tuning, small in size, high in consistency; the processing consistency and cost are relatively low and easy to control; the signals after the filtering operation can be output through the low-end output joint 3 and the high-end output joint 4, and the low-end output joint 3 and the high-end output joint 4 are used for outputting the signals after the combination; the difference lies in that the frequency bands or powers of the signals processed by them are different, which depends on the design and application requirements of the combiner.

[0035] It should be noted that the left side of the high-low copper sheet 5 is a high-pass filter, which is also called a low-cut filter or a low-resistance filter, which allows frequencies higher than a certain cutoff frequency to pass through, while greatly attenuating lower frequencies; it removes unnecessary low-frequency components or low-frequency interference from the signal; the right side of the high-low copper sheet 5 is a low-pass filter, which is an electronic filtering device that allows signals below the cutoff frequency to pass through, but signals above the cutoff frequency cannot pass through, and the combined high-low copper sheet 5 can achieve strong coupling effect and a wider passband. Embodiment

[0036] Reference Figures 1-8 A high-pass low-pass duplexer with a pure copper sheet structure, comprising a shell 1 and a cavity 103 provided on the shell 1, further comprising: a common end input joint 2, a low-end output joint 3 and a high-end output joint 4, all of which are provided on the outer wall of the shell 1, and the common end input joint 2, the low-end output joint 3 and the high-end output joint 4 are respectively connected with an input core rod 203, a low-end output core rod 303 and a high-end output core rod 403; a high-low copper sheet 5 is provided in the cavity 103, and the input core rod 203, the low-end output core rod 303 and the high-end output core rod 403 correspond to the high-low copper sheet 5 at one end in the cavity 103; a first groove 508 and a second groove 509 are provided on the left side of the high-low copper sheet 5, and an elongated copper sheet 510 is provided on the right side of the high-low copper sheet 5; further, the common end input joint 2 and the high-end output joint 4 are provided on the same side of the shell 1, the low-end output joint 3 is provided on the outer wall of the side of the shell 1 away from the common end input joint 2, and the common end input joint 2 and the low-end output joint 3 are located on the same plane.

[0037] The input fixed plate 201 is provided on the common end input joint 2, the input fixed screw 202 is connected to the input fixed plate 201, and the input fixed screw 202 penetrates through the input fixed plate 201 and is threadedly connected with the shell 1.

[0038] The low-end output fixed plate 301 is arranged on the low-end output connector 3, and the low-end output fixed screw 302 is arranged on the low-end output fixed plate 301 and is screwed on the shell 1 through one end of the low-end output fixed plate 301.

[0039] The high-end output fixed plate 401 is arranged on the high-end output connector 4, and the high-end output fixed screw 402 is arranged on the high-end output fixed plate 401 and is screwed on the shell 1 through one end of the high-end output fixed plate 401.

[0040] In the embodiment, before use, the input fixed plate 201 is first attached to the outer wall of the shell 1, and then the common-end input connector 2 is fixedly connected to the shell 1 through the input fixed screw 202. Similarly, the low-end output fixed plate 301 is attached to the outer wall of the shell 1 and is fixed through the low-end output fixed screw 302, so that the low-end output connector 3 can be fixed. The high-end output fixed plate 401 is abutted to the outer wall of the shell 1, and then is fixed through the high-end output fixed screw 402, so that the high-end output fixed plate 401 and the high-end output connector 4 are fixed. It should be noted that the common-end input connector 2 and the high-end output connector 4 are arranged on the same side of the shell 1, and the common-end input connector 2 and the low-end output connector 3 are located on the same plane. After the common-end input connector 2 inputs a signal, the signal can be discharged from the low-end output connector 3 on the same plane through the arranged high-low copper sheet 5, and then the signal moves upward and is discharged from the high-end output connector 4 through the high-low copper sheet 5, which is convenient for use. Embodiment

[0041] Reference Figures 1-8 A high-pass low-pass diplexer with a pure copper sheet structure includes a shell 1 and a cavity 103 arranged on the shell 1, and further includes a common-end input connector 2, a low-end output connector 3 and a high-end output connector 4, which are arranged on the outer wall of the shell 1. The common-end input connector 2, the low-end output connector 3 and the high-end output connector 4 are respectively connected with an input core rod 203, a low-end output core rod 303 and a high-end output core rod 403. A high-low copper sheet 5 is arranged in the cavity 103, and one end of the input core rod 203, the low-end output core rod 303 and the high-end output core rod 403 corresponds to the high-low copper sheet 5. The left side of the high-low copper sheet 5 is provided with a first groove 508 and a second groove 509, and the right side of the high-low copper sheet 5 is provided with an elongated copper sheet 510.

[0042] The high-low pass copper sheet 5 is provided with a first welding groove 501, a second welding groove 502 and a third welding groove 503, the first welding groove 501, the second welding groove 502 and the third welding groove 503 are respectively arranged at three corners of the high-low pass copper sheet 5, and the common end input connector 2, the low end output connector 3 and the high end output connector 4 are respectively inserted into the first welding groove 501, the second welding groove 502 and the third welding groove 503 at one end in the cavity 103.

[0043] In the embodiment, the first welding groove 501, the second welding groove 502 and the third welding groove 503 are respectively arranged on the high-low pass copper sheet 5 and are respectively connected with the input core rod 203, the low end output core rod 303 and the high end output core rod 403, so that the input core rod 203, the low end output core rod 303 and the high end output core rod 403 can be welded with the high-low pass copper sheet 5, and the welding can form a stable interatomic binding force between the high-low pass copper sheet 5 and the input core rod 203, the low end output core rod 303 and the high end output core rod 403, so as to ensure the mechanical strength and the stability of the electrical connection of the connector, and meanwhile, the low resistance connection between the high-low pass copper sheet 5 and the input core rod 203, the low end output core rod 303 and the high end output core rod 403 can be realized, which is helpful to reduce the loss in the signal transmission process and improve the transmission efficiency.

[0044] The shell 1 is connected with a cover plate 101, the shell 1 is provided with a mounting hole 104, the mounting hole 104 is connected with a locking screw 102, and the cover plate 101 is fixedly connected to the shell 1 through the locking screw 102.

[0045] The cover plate 101 can seal the cavity 103, which is convenient for the transmission of internal signals and improves the stability, and the locking screw 102 is threadedly connected in the mounting hole 104, so that the cover plate 101 can be fixed.

[0046] The first vertical plate 504, the second vertical plate 505, the first horizontal plate 506 and the second horizontal plate 507 are further included, the high-low pass copper sheet 5 is arranged between the first vertical plate 504 and the second vertical plate 505, and the lengthened copper sheet 510 on the high-low pass copper sheet 5 is arranged between the first horizontal plate 506 and the second horizontal plate 507.

[0047] The inner wall of the cover plate 101 is respectively provided with a first long groove 105 and a second long groove 106, the first vertical plate 504 and the first horizontal plate 506 are respectively arranged in the first long groove 105 and the second long groove 106, the inner wall of the cavity 103 is provided with a third long groove 107 and a fourth long groove 108, and the second vertical plate 505 and the second horizontal plate 507 are respectively arranged in the third long groove 107 and the fourth long groove 108.

[0048] The first vertical plate 504, the second vertical plate 505, the first horizontal plate 506 and the second horizontal plate 507 are all provided with a plurality of the first vertical plate 504, the second vertical plate 505, the first horizontal plate 506 and the second horizontal plate 507, the first recess 508 on the high-low pass copper sheet 5 gradually decreases from the middle to both sides, and the second recess 509 on the high-low pass copper sheet 5 gradually increases from the middle to both sides.

[0049] In the embodiment, the first vertical plate 504, the second vertical plate 505, the first horizontal plate 506 and the second horizontal plate 507 can clamp the high-low pass copper sheet 5, so that the connection is more stable, the first long slot 105, the second long slot 106, the third long slot 107 and the fourth long slot 108 can make the installation of the first vertical plate 504, the second vertical plate 505, the first horizontal plate 506 and the second horizontal plate 507 more stable, avoid sliding or displacement affecting use, the first recess 508 and the second recess 509 can improve the heat dissipation area of the high-low pass copper sheet 5, improve the heat dissipation efficiency, and the lengths of the first recess 508 and the second recess 509 are different, which is to adjust the signal transmission characteristics in the combiner, such as impedance matching, frequency response, etc., so that it can maintain a good working state under different frequency bands or different working conditions; the lengthened copper sheet 510 is to optimize the heat dissipation path, ensure that the heat can be more effectively dispersed and conducted, in the application, the conventional cavity filter scheme is changed to the high-low pass copper sheet 5, which is free of tuning, small in size, high in consistency; and the machining consistency and cost are low, and it is easy to control.

[0050] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A high-pass low-pass diplexer with a structure of pure copper sheet, comprising a shell (1) and a cavity (103) arranged on the shell (1), characterized in that, Also include: The common end input joint (2), low end output joint (3) and high end output joint (4) are provided on the outer wall of the shell (1), and the input core rod (203), low end output core rod (303) and high end output core rod (403) are respectively connected on the common end input joint (2), low end output joint (3) and high end output joint (4); The high-low copper sheet (5) is arranged in the cavity (103), and one end of the input core rod (203), the low end output core rod (303) and the high end output core rod (403) placed in the cavity (103) corresponds to the high-low copper sheet (5); The left side of the high-low copper sheet (5) is provided with a first groove (508) and a second groove (509), and the right side of the high-low copper sheet (5) is provided with an elongated copper sheet (510).

2. The high pass-low pass diplexer of claim 1, wherein, The common end input joint (2) and the high end output joint (4) are arranged on the same side of the shell (1), the low end output joint (3) is arranged on the outer wall of the side of the shell (1) away from the common end input joint (2), and the common end input joint (2) and the low end output joint (3) are located on the same plane.

3. A high pass-low pass diplexer in a solid copper sheet structure according to claim 2, characterized in that, The input fixed plate (201) is arranged on the common end input joint (2), the input fixed screw (202) is connected on the input fixed plate (201), and the input fixed screw (202) penetrates through the input fixed plate (201) and is threadedly connected with the shell (1).

4. The high-low dual bandpass filter of claim 3, wherein, The low end output fixed plate (301) is arranged on the low end output joint (3), the low end output fixed screw (302) is arranged on the low end output fixed plate (301), and one end of the low end output fixed screw (302) is threadedly connected on the shell (1).

5. The high pass-low pass diplexer of claim 4, wherein, The high end output fixed plate (401) is arranged on the high end output joint (4), the high end output fixed screw (402) is connected on the high end output fixed plate (401), and one end of the high end output fixed screw (402) is threadedly connected on the shell (1).

6. The high-low dual bandpass filter of claim 1, wherein: The first welding groove (501), the second welding groove (502) and the third welding groove (503) are arranged on the high-low copper sheet (5), the first welding groove (501), the second welding groove (502) and the third welding groove (503) are respectively arranged at three corners of the high-low copper sheet (5), and one end of the common end input joint (2), the low end output joint (3) and the high end output joint (4) placed in the cavity (103) is respectively inserted in the first welding groove (501), the second welding groove (502) and the third welding groove (503).

7. A high pass-low pass diplexer in a solid copper sheet structure according to claim 6, characterized in that, The shell (1) is connected with the cover plate (101), the mounting hole (104) is arranged on the shell (1), the locking screw (102) is connected in the mounting hole (104), and the cover plate (101) is fixedly connected on the shell (1) through the locking screw (102).

8. A high pass-low pass diplexer in a solid copper sheet structure according to claim 7, characterized in that, Further comprising a first vertical plate (504), a second vertical plate (505), a first horizontal plate (506) and a second horizontal plate (507), the high-low pass copper sheet (5) is arranged between the first vertical plate (504) and the second vertical plate (505), and the lengthened copper sheet (510) on the high-low pass copper sheet (5) is arranged between the first horizontal plate (506) and the second horizontal plate (507).

9. A high pass-low pass diplexer in a solid copper sheet structure according to claim 8, characterized in that, The inner wall of the cover plate (101) is respectively provided with a first long groove (105) and a second long groove (106), the first vertical plate (504) and the first horizontal plate (506) are respectively arranged in the first long groove (105) and the second long groove (106), the inner wall of the cavity (103) is provided with a third long groove (107) and a fourth long groove (108), and the second vertical plate (505) and the second horizontal plate (507) are respectively arranged in the third long groove (107) and the fourth long groove (108).

10. The high pass-low pass diplexer of claim 9, wherein, The first vertical plate (504), the second vertical plate (505), the first horizontal plate (506) and the second horizontal plate (507) are all provided with a plurality of the high-low pass copper sheet (5), the first recess (508) on the high-low pass copper sheet (5) gradually decreases from the middle to both sides, and the second recess (509) on the high-low pass copper sheet (5) gradually increases from the middle to both sides.

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