Ridge waveguide port double-channel combiner
By designing a ridge waveguide dual-path combiner, and adopting a magic T structure and coupling pillars, the high loss and intermodulation interference problems of multiple signal sources were solved, and the high-frequency signal combining and transmission with low loss and low intermodulation were realized.
Patent Information
- Application Number
- CN202520490243.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-20
AI Technical Summary
In the case of multiple signal sources, merging signals can introduce excessive loss and interference, and is susceptible to intermodulation interference in high-frequency signal transmission.
It adopts a ridge waveguide dual-path combiner with a magic T structure and coupling post. It utilizes waveguide characteristics to combine signals, reduce loss and intermodulation interference. It uses a custom silicon carbide load and a standard waveguide port to achieve low loss and low VSWR. It has an adjustment screw and rubber pad structure to enhance stability.
It achieves low loss, low VSWR and low intermodulation performance, with the loss balance between the two signals being less than 0.1dB, making it suitable for high-frequency signal transmission and possessing good signal combining and transmission capabilities.
Smart Images

Figure CN223927638U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the ridge waveguide mouth double double -way hybrid related technical field, concretely relates to a ridge waveguide mouth double double -way hybrid. BACKGROUND
[0002] The ridge waveguide mouth double double -way hybrid is a kind of high-performance hybrid for microwave and millimeter wave frequency band, mainly used to combine the signals of two signal sources to an output port, it adopts ridge waveguide technology, with the characteristics of low insertion loss and high isolation, can effectively reduce the interference between signals, the hybrid is usually used in communication, radar and other high-frequency applications to realize the efficient transmission and processing of signal, and its design usually considers frequency range, power handling capacity and size etc. To meet the needs of different applications.
[0003] In the case of multiple signal sources, combining signals will introduce too much loss and interference, and in high-frequency signal transmission, it will be affected by intermodulation interference, so the market needs a new device to solve the current problems. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of ridge waveguide mouth double double -way hybrid to solve the above background technique proposed in the case of multiple signal sources, combining signals will introduce too much loss and interference, and in high-frequency signal transmission, it will be affected by intermodulation interference, so the market needs a new device to solve the current problems.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of ridge waveguide mouth double double -way hybrid, including upper cavity, lower cavity is installed at the rear end position of the upper cavity, ridge waveguide mouth A is provided at the front end position of the lower cavity, a plurality of fixed screws are installed at the front end position of the lower cavity, WR standard waveguide mouth is provided at the front end position of the upper cavity, adjusting screw is installed at the front end position of the upper cavity, rubber pad is sleeved at the outer side position of the adjusting screw, rubber plug is provided at the lower end position of the rubber pad, a plurality of protruding mechanisms are uniformly distributed at the inner wall position of the rubber plug.
[0006] Preferably, a plurality of coupling columns are provided at the inner side position of the upper cavity and the lower cavity.
[0007] Preferably, the ridge waveguide mouth A is installed at the front end four corner positions of the lower cavity.
[0008] Preferably, the ridge waveguide mouth A can reduce the cutoff frequency of waveguide.
[0009] Preferably, a plurality of fixed screws are installed at the front end position of the lower cavity.
[0010] Preferably, the WR standard waveguide port is installed at the upper and lower positions of the front end of the upper cavity, and the WR standard waveguide port can transmit microwave signals.
[0011] Preferably, the adjusting screws are installed at the four front corners of the upper cavity.
[0012] Preferably, the adjusting screw is inserted into the inner position of the rubber pad and the rubber plug, and the protruding mechanism is in close contact with the outer wall of the adjusting screw.
[0013] Compared with the prior art, this utility model provides a ridge waveguide dual-path combiner, which has the following advantages:
[0014] Both the transceiver and receiver channels employ a Magic-T design mode to achieve dual-channel combining functionality. The frequency coverage spans the entire WR187 / BJ48 band. It utilizes a custom silicon carbide load, with a power handling capacity exceeding 200W. The product features low loss and low VSWR performance, with a two-channel loss balance of less than 0.1dB and a structure and function for adjusting loss balance. The antenna port uses a standard WR187 / BJ40 waveguide port, while the transceiver port uses a non-standard ridge waveguide port. The compact structure provides excellent low intermodulation performance.
[0015] When installing, the adjusting screw is inserted into the inner part of the rubber pad and the rubber plug. The rubber pad is attached to the outer wall of the upper cavity, while the rubber plug and the adjusting screw are inserted into the inner part of the mounting hole. The protrusion on the inner wall of the rubber plug is attached to the outer wall of the adjusting screw. This increases the firmness of the adjusting screw after installation. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of a ridge waveguide dual-path combiner according to the present invention.
[0017] Figure 2 This is a schematic diagram of the lower cavity structure of a ridge waveguide dual-path combiner according to the present invention.
[0018] Figure 3 This is a schematic diagram of the upper cavity structure of a ridge waveguide dual-path combiner according to the present invention.
[0019] Figure 4 This is a schematic diagram of the split structure of a ridge waveguide dual-path combiner according to the present invention.
[0020] Figure 5 This is a schematic diagram of the rubber pad structure of a ridge waveguide dual-path combiner according to this utility model.
[0021] Figure 6 This is a top view schematic diagram of the rubber pad structure of a ridge waveguide dual-path combiner according to this utility model.
[0022] Figure: 1, the upper cavity; 2, the lower cavity; 3, the ridge waveguide port A; 4, WR187 standard waveguide port; 5, adjusting screw; 6, coupling column; 7, fixing screw; 8, rubber pad; 9, rubber plug; 10, protruding mechanism. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0024] The utility model provides a kind of ridge waveguide port double-double path combiner as Figures 1-6 As shown in a kind of ridge waveguide port double-double path combiner, including upper cavity 1, the rear end position of upper cavity 1 is equipped with lower cavity 2, the front end position of lower cavity 2 is provided with ridge waveguide port A 3, the front end position of lower cavity 2 is equipped with multiple fixing screws 7, the front end position of upper cavity 1 is provided with WR187 standard waveguide port 4, the front end position of upper cavity 1 is equipped with adjusting screw 5, the outside position of adjusting screw 5 is sleeved with rubber pad 8, the lower end position of rubber pad 8 is provided with rubber plug 9, and the inner wall position of rubber plug 9 is evenly distributed with multiple protruding mechanisms 10.
[0025] The input signal enters the combiner through the ridge waveguide port. The ridge waveguide is a specially designed waveguide that can effectively transmit high-frequency signals while reducing signal loss and reflection. Inside the combiner, the signals are combined through a specific structure. The magic T design takes advantage of the characteristics of the waveguide, allowing two input signals to be superimposed within the combiner without interfering with each other. The ridge waveguide port double-double path combiner is usually designed with a function to balance the loss, ensuring that the loss of the two signals is as consistent as possible, typically less than 0.1 dB. In addition, the design of the combiner also considers low intermodulation performance to reduce interference between signals.
[0026] As shown in Figure 1 and Figure 2 The inner side of the upper cavity 1 and the lower cavity 2 is provided with multiple coupling columns 6. The ridge waveguide port A 3 is installed at the front four corners of the lower cavity 2. The ridge waveguide port A 3 can reduce the cutoff frequency of the waveguide. Multiple fixing screws 7 are installed at the front end of the lower cavity 2. The WR187 standard waveguide port 4 is installed above and below the front end of the upper cavity 1. The WR187 standard waveguide port 4 can transmit microwave signals. The adjusting screw 5 is installed at the front four corners of the upper cavity 1. The adjusting screw 5 is inserted into the inner position of the rubber pad 8 and the rubber plug 9. The protruding mechanism 10 is tightly attached to the outer wall position of the adjusting screw 5.
[0027] Both of the transmitting and receiving paths adopt magic T design mode, realize double-double path combining function, frequency coverage WR187 / BJ48 full frequency band, adopt silicon carbide custom load, product power bearing capacity is greater than 200W, has low loss, low VSWR performance, has two-way loss balance less than 0.1dB, and has the structure and function of adjusting loss balance, the antenna port adopts standard WR187 / BJ40 standard waveguide port, the transmitting and receiving port adopts non-standard ridge waveguide port, compact structure, good low intermodulation performance.
[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A ridge waveguide poled quadrature hybrid coupler, characterized by, The utility model provides an improved ridge waveguide port, which comprises an upper cavity (1), a lower cavity (2) installed at the rear end of the upper cavity (1), a ridge waveguide port A (3) arranged at the front end of the lower cavity (2), a plurality of fixing screws (7) installed at the front end of the lower cavity (2), a WR187 standard waveguide port (4) arranged at the front end of the upper cavity (1), an adjusting screw (5) installed at the front end of the upper cavity (1), a rubber pad (8) sleeved at the outer side of the adjusting screw (5), a rubber plug (9) arranged at the lower end of the rubber pad (8), and a plurality of convex mechanisms (10) uniformly distributed on the inner wall of the rubber plug (9).
2. A slot double-double hybrid coupler according to claim 1, characterized in that: A plurality of coupling columns (6) are arranged at the inner side of the upper cavity (1) and the lower cavity (2).
3. A slot double-double hybrid coupler in a ridge waveguide according to claim 1, characterized in that: The ridge waveguide port A (3) is installed at the front end of the lower cavity (2).
4. A slot double-double hybrid coupler according to claim 1, characterized in that: The ridge waveguide port A (3) can reduce the cutoff frequency of the waveguide.
5. A slot double-double hybrid coupler according to claim 1, characterized in that: A plurality of fixing screws (7) are installed at the front end of the lower cavity (2).
6. A slot double-double hybrid coupler of a ridge waveguide according to claim 1, characterized in that: The WR187 standard waveguide port (4) is installed at the front end of the upper cavity (1), and the WR187 standard waveguide port (4) can transmit microwave signals.
7. A slot double-double hybrid coupler in a ridge waveguide according to claim 1, characterized in that: The adjusting screw (5) is installed at the front end of the upper cavity (1).
8. A slot double-double hybrid coupler according to claim 1, characterized in that: The adjusting screw (5) is inserted into the inner position of the rubber pad (8) and the rubber plug (9), and the convex mechanisms (10) are tightly attached to the outer wall of the adjusting screw (5).