Waveguide filtering power divider
By opening installation slots and limit blocks on the inner wall of the waveguide filter power divider housing, flexible replacement of the coupling plate is achieved, which solves the problem of poor adaptability of the existing waveguide filter power divider and improves signal distribution capabilities.
Patent Information
- Application Number
- CN202510292073.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2025-05-23
AI Technical Summary
The existing waveguide filter power divider is not convenient to replace the coupling plate according to filtering requirements, resulting in poor adaptability.
A waveguide filter power divider is designed, and first and second mounting grooves are opened on both sides of the housing, and the first and second limit blocks and coupling plates are used in conjunction with the use of the first and second limit blocks and coupling plates to realize flexible replacement of coupling plates.
By flexibly replacing the coupling plate, the adaptability of the waveguide filter power divider is improved, and the design of input and output conductors is facilitated to allocate the filtered signal.
Smart Images

Figure CN120033434A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of filter power dividers, and in particular to a waveguide filter power divider. Background Art
[0002] Waveguide filter power divider is a device used to achieve filtering and power distribution within the microwave frequency band. It is widely used in microwave communication, radar, satellite communication and other fields to improve the signal purity and performance of the system.
[0003] However, most of the existing waveguide filter power dividers on the market are integrally formed, so it is not convenient to replace the coupling plate with different coupling slots according to the filtering requirements, resulting in poor adaptability of the waveguide filter power divider.
[0004] However, technical improvements are urgently needed for this purpose. Summary of the invention
[0005] 1. Technical issues to be resolved
[0006] In view of the deficiencies in the prior art, the present invention provides a waveguide filter power divider, which solves the problem that the existing waveguide filter power divider is inconvenient to replace the coupling plate with different coupling slots according to filtering requirements, thereby resulting in poor adaptability of the waveguide filter power divider.
[0007] (II) Technical solution
[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a waveguide filter power divider, comprising a shell and a sealing plate, wherein the lower part of the inner wall on both sides of the shell is provided with a first installation groove, the upper part of the inner wall on both sides of the shell is provided with a second installation groove, the inside of the first installation groove is connected with a first limit block by clamping, the outer wall of the first limit block on one side close to the center of the shell is fixedly connected with a first coupling plate, the middle part of the upper surface of the first coupling plate is provided with a first coupling groove, the inside of the second installation groove is connected with a second limit block by clamping, the outer wall of the second limit block on one side close to the center of the shell is fixedly connected with a second coupling plate, and the middle part of the upper surface of the second coupling plate is provided with a second coupling groove;
[0009] A first fixing ring is fixedly connected to the middle of the upper surface of the shell, an input port is fixedly connected to the inner wall of the first fixing ring, an input conductor is fixedly connected to the lower end of the input port, and the lower end of the input conductor passes through the shell to the inside of the shell, a plurality of second fixing rings are fixedly connected to the middle of the lower surface of the shell, an output port is fixedly connected to the inner wall of the second fixing ring, and an output conductor is fixedly connected to the upper end of the output port;
[0010] Through the above technical solution, by using an input port provided with an input conductor and a plurality of output ports provided with output conductors in combination, it is convenient to distribute an input filter signal to a plurality of output filter signals.
[0011] Preferably, the rear ends of the outer walls on both sides of the shell are fixedly connected with two mounting blocks;
[0012] The above technical solution makes it easy for workers to install the waveguide filter power divider in the system of microwave components.
[0013] Preferably, a card slot is provided around the front end outer wall of the housing, and a sealing strip is fixedly connected around the rear end outer wall of the sealing plate;
[0014] The above technical solution facilitates the sealing plate to be tightly fitted to the shell through the cooperation of the sealing strip and the card slot.
[0015] Preferably, the sealing strip is connected to the card slot by snapping;
[0016] The above technical solution can facilitate the sealing strip to prevent microwaves inside the shell from overflowing, thereby affecting the transmission of microwave signals.
[0017] Preferably, a plurality of mounting holes are provided around the outer wall of the front end of the sealing plate, and positioning bolts are provided inside the mounting holes;
[0018] The above technical solution facilitates the sealing plate and the shell to be connected as a whole through a plurality of positioning bolts.
[0019] Preferably, the positioning bolts all pass through the sealing plate and are threadedly connected to the housing.
[0020] Preferably, the upper ends of the output conductors all pass through the housing to the interior of the housing;
[0021] The above technical solution facilitates the microwaves coupled in the shell to be distributed to the microwave system through the output port via the output conductor.
[0022] (III) Beneficial effects
[0023] The present invention provides a waveguide filter power divider, which has the following beneficial effects:
[0024] 1. The present invention provides a waveguide filter power divider. Compared with the existing waveguide filter power divider, by using the first mounting groove and the second mounting groove opened on the inner walls on both sides of the shell, it is convenient for the staff to replace the coupling plate with different coupling grooves according to the filtering requirements, thereby improving the adaptability of the waveguide filter power divider to a certain extent.
[0025] 2. The present invention provides a waveguide filter power divider. Compared with the existing waveguide filter power divider, it is convenient to distribute the input filter signal to multiple output filter signals by using an input port with an input conductor and multiple output ports with output conductors. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the main structure of the present invention;
[0027] Figure 2 It is an explosion schematic diagram of the present invention;
[0028] Figure 3 An exploded view of a local structure of the present invention;
[0029] Figure 4 It is a schematic diagram of the local structure of the present invention;
[0030] Figure 5 The structure of the present invention is schematically shown Figure 2 The enlarged view of point A in the middle;
[0031] Figure 6 The structure of the present invention is schematically shown Figure 3 Enlarged view of point B in the middle.
[0032] Among them, 1. shell; 2. sealing plate; 3. mounting block; 4. mounting hole; 5. positioning bolt; 6. sealing strip; 7. slot; 8. first mounting slot; 9. second mounting slot; 10. first coupling plate; 11. first limit block; 12. first coupling slot; 13. second coupling plate; 14. second limit block; 15. second coupling slot; 16. first fixing ring; 17. input port; 18. input conductor; 19. second fixing ring; 20. output port; 21. output conductor. Implementation
[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0035] like Figure 1-6As shown, an embodiment of the present invention provides a waveguide filter power divider, including a shell 1 and a sealing plate 2, the lower part of the inner wall on both sides of the shell 1 is provided with a first installation groove 8, the upper part of the inner wall on both sides of the shell 1 is provided with a second installation groove 9, the inside of the first installation groove 8 is connected with a first limit block 11, the outer wall of the first limit block 11 on one side close to the center of the shell 1 is fixedly connected with a first coupling plate 10, the middle part of the upper surface of the first coupling plate 10 is provided with a first coupling groove 12, the inside of the second installation groove 9 is connected with a second limit block 14, the outer wall of the second limit block 14 on one side close to the center of the shell 1 is fixedly connected with a second coupling plate 13, and the middle part of the upper surface of the second coupling plate 13 is provided with a second coupling groove 15;
[0036] A first fixing ring 16 is fixedly connected to the middle of the upper surface of the shell 1, an input port 17 is fixedly connected to the inner wall of the first fixing ring 16, an input conductor 18 is fixedly connected to the lower end of the input port 17, and the lower end of the input conductor 18 passes through the shell 1 to the inside of the shell 1, a plurality of second fixing rings 19 are fixedly connected to the middle of the lower surface of the shell 1, and output ports 20 are fixedly connected to the inner walls of the second fixing rings 19, and output conductors 21 are fixedly connected to the upper ends of the output ports 20;
[0037] By using the first mounting groove 8 and the second mounting groove 9 opened on the inner walls of both sides of the shell 1, it is convenient for the staff to replace the coupling plate with different coupling grooves according to the filtering requirements, which improves the adaptability of the waveguide filter power divider to a certain extent.
[0038] Two mounting blocks 3 are fixedly connected to the rear ends of the outer walls on both sides of the housing 1;
[0039] It is convenient for the staff to install the waveguide filter power divider in the system of microwave components.
[0040] A card slot 7 is provided around the outer wall of the front end of the housing 1, and a sealing strip 6 is fixedly connected around the outer wall of the rear end of the sealing plate 2;
[0041] The sealing strip 6 and the card slot 7 are used in coordination to closely fit the sealing plate 2 and the housing 1 .
[0042] The sealing strip 6 is connected with the card slot 7 by card connection;
[0043] The sealing strip 6 is convenient for preventing the microwaves inside the housing 1 from overflowing, thereby affecting the transmission of microwave signals.
[0044] A plurality of mounting holes 4 are provided around the outer wall of the front end of the sealing plate 2, and positioning bolts 5 are provided inside the mounting holes 4;
[0045] The sealing plate 2 and the housing 1 can be conveniently connected into a whole through a plurality of positioning bolts 5 .
[0046] The positioning bolts 5 all penetrate the sealing plate 2 and are threadedly connected to the housing 1 .
[0047] The upper ends of the output conductors 21 all pass through the housing 1 to the interior of the housing 1;
[0048] The microwaves coupled in the shell can be distributed to the microwave system through the output port 20 via the output conductor 21 .
[0049] Working principle: When using the waveguide filter power divider, firstly, by using the first mounting groove 8 and the second mounting groove 9 opened on the inner walls on both sides of the shell 1, it is convenient for the staff to replace the coupling plate with different coupling grooves according to the filtering requirements. Secondly, a plurality of positioning bolts 5 are used to fix the sealing plate 2 to the shell 1. Finally, the waveguide filter power divider is installed in the filtering system through a plurality of mounting blocks 3.
[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A waveguide filter power divider, comprising a housing (1) and a sealing plate (2), characterized in that: The lower part of the inner wall on both sides of the shell (1) is provided with a first installation groove (8), the upper part of the inner wall on both sides of the shell (1) is provided with a second installation groove (9), the inside of the first installation groove (8) is connected with a first limit block (11) by snapping, the outer wall of the first limit block (11) on one side close to the center of the shell (1) is fixedly connected with a first coupling plate (10), the middle part of the upper surface of the first coupling plate (10) is provided with a first coupling groove (12), the inside of the second installation groove (9) is connected with a second limit block (14), the outer wall of the second limit block (14) on one side close to the center of the shell (1) is fixedly connected with a second coupling plate (13), and the middle part of the upper surface of the second coupling plate (13) is provided with a second coupling groove (15); A first fixing ring (16) is fixedly connected to the middle of the upper surface of the shell (1), an input port (17) is fixedly connected to the inner wall of the first fixing ring (16), an input conductor (18) is fixedly connected to the lower end of the input port (17), the lower end of the input conductor (18) passes through the shell (1) to the inside of the shell (1), a plurality of second fixing rings (19) are fixedly connected to the middle of the lower surface of the shell (1), the inner walls of the second fixing rings (19) are fixedly connected to output ports (20), and the upper ends of the output ports (20) are fixedly connected to output conductors (21).
2. A waveguide filter power divider according to claim 1, characterized in that: Two mounting blocks (3) are fixedly connected to the rear ends of the outer walls on both sides of the shell (1).
3. A waveguide filter power divider according to claim 1, characterized in that: The outer wall of the front end of the housing (1) is provided with a clamping groove (7) around it, and the outer wall of the rear end of the sealing plate (2) is fixedly connected with a sealing strip (6) around it.
4. A waveguide filter power divider according to claim 3, characterized in that: The sealing strip (6) is connected to the clamping groove (7) by clamping.
5. The waveguide filter power divider according to claim 1, characterized in that: A plurality of mounting holes (4) are provided around the outer wall of the front end of the sealing plate (2), and positioning bolts (5) are provided inside the mounting holes (4).
6. A waveguide filter power divider according to claim 5, characterized in that: The positioning bolts (5) all penetrate the sealing plate (2) and are threadedly connected to the housing (1).
7. The waveguide filter power divider according to claim 1, characterized in that: The upper ends of the output conductors (21) penetrate the shell (1) to the interior of the shell (1).