U-band and L-band high-power multi-way switch

Abstract

The utility model discloses a U-band and L-band high-power multi-way switch, which relates to the technical field of communication data links, solves the problem of large insertion loss of the existing U-band and L-band high-power switch, and is characterized by comprising at least two single-pole three-throw switches, the input end of the first single-pole three-throw switch is connected with the first antenna end, the first output end is connected with the A1 transmitting end, and the second output end is connected with the first receiving end; the input end of the second single-pole three-throw switch is connected with the second antenna end, the first output end is connected with the A2 transmitting end, and the second output end is connected with the second receiving end; wherein the third output end of the first single-pole three-throw switch and the third output end of the second single-pole three-throw switch are multiplexed and are jointly connected with a transmitting end B; and by multiplexing the switch port, the multi-path switching function is ensured, and the insertion loss is reduced at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of communication data links, and more specifically, to a U-band and L-band high-power multi-way switch. Background Art

[0002] Existing U-band and L-band high-power switches are generally required to have multi-channel switching functions during use in communication data link systems. Therefore, they need to be combined through multiple switches. Often, when multiple switches are combined together, the insertion loss will become larger, which is not conducive to system use.

[0003] Therefore, the present application provides a U-band and L-band high-power multi-way switch to solve the above problems. It is necessary to develop a low insertion loss high-power multi-way switch to meet the needs of communication data link systems. Utility Model Content

[0004] The technical problem to be solved by the present application is the problem of large insertion loss of existing U-band and L-band high-power switches. The purpose is to provide a U-band and L-band high-power multi-way switch to solve the above problem by multiplexing the switch ports.

[0005] This application is implemented through the following technical solutions:

[0006] A U-band and L-band high-power multi-way switch comprises at least two single-pole three-throw switches; an input end of a first single-pole three-throw switch is connected to a first antenna end, a first output end of the first single-pole three-throw switch is connected to an A1 transmitting end, and a second output end of the first single-pole three-throw switch is connected to a first receiving end; an input end of a second single-pole three-throw switch is connected to a second antenna end, a first output end of the second single-pole three-throw switch is connected to an A2 transmitting end, and a second output end of the second single-pole three-throw switch is connected to a second receiving end; wherein a third output end of the first single-pole three-throw switch and a third output end of the second single-pole three-throw switch are multiplexed and are commonly connected to a B transmitting end.

[0007] By adopting the above technical solution, the branch ports of two single-pole three-throw switches are connected and reused to replace the traditional single-pole three-throw switch and single-pole double-throw switch connection, so as to make full use of the switch path and realize the same switching function with the least circuit components; two single-pole three-throw switches are used to replace the traditional two single-pole three-throw switches and one single-pole double-throw switch, so as to ensure the multi-way switching function while reducing the insertion loss.

[0008] Furthermore, the single-pole triple-throw switch includes three driving switch circuits, one end of the three driving switch circuits is connected to serve as the input end of the single-pole triple-throw switch, and the other end is respectively connected to serve as the first output end, the second output end and the third output end of the single-pole triple-throw switch.

[0009] Furthermore, one end of the first driving switch circuit is connected to the A1 transmitting end, and the other end is connected to the first antenna end, one end of the second driving switch circuit is connected to the first antenna end, and the other end is connected to the first receiving end, one end of the third driving switch circuit is connected to the B transmitting end, and the other end is connected to the first antenna end, one end of the fourth driving switch circuit is connected to the A2 transmitting end, and the other end is connected to the second antenna end, one end of the fifth driving switch circuit is connected to the second antenna end, and the other end is connected to the second receiving end, and one end of the sixth driving switch circuit is connected to the B transmitting end, and the other end is connected to the second antenna end.

[0010] Furthermore, the driving switch circuit includes a driving circuit and a switch circuit, and the driving circuit is connected to the switch circuit to control the switch circuit to be turned on or off.

[0011] Furthermore, the driving circuit includes a driver and a low-pass filter, the driver is connected to the low-pass filter, and the low-pass filter is connected to the switch circuit.

[0012] Furthermore, the switch circuit includes: a capacitor C1, a capacitor C2, multiple sections of microstrip lines, a diode D1 and a diode D2; the capacitor C1, multiple sections of microstrip lines and the capacitor C2 are connected in series, the anode of the diode D1 is connected to the microstrip line, the cathode is grounded, the anode of the diode D2 is connected to the microstrip line, the cathode is grounded, the diode D1 and the diode D2 are connected in parallel, and the anode of the diode D1 is led out as the driving end of the switch circuit.

[0013] Furthermore, the driving circuit includes a driver, an inductor and a capacitor. The driver is connected to the driving end of the switch circuit via the inductor. One end of the capacitor is connected to the inductor and the other end is grounded.

[0014] Furthermore, the first antenna end is connected to the first drive switch circuit, the second drive switch circuit and the third drive switch circuit respectively through microstrip lines.

[0015] Furthermore, the second antenna end is connected to the fourth drive switch circuit, the fifth drive switch circuit and the sixth drive switch circuit respectively through microstrip lines.

[0016] Furthermore, the B transmitting end is connected to the third driving switch circuit and the sixth driving switch circuit respectively through microstrip lines.

[0017] Compared with the prior art, the present application has the following beneficial effects: by multiplexing the branch ports of the single-pole three-throw switch, replacing the traditional single-pole three-throw switch with the single-pole double-throw switch connection, reducing the switching elements, reducing the path insertion loss, and can be used as a sky-controlled switch to meet the needs of the communication data link system. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of the present application, and do not constitute a limitation on the embodiments of the present application. In the drawings:

[0019] Figure 1 It is the conventional circuit diagram of U-band and L-band high-power multi-way switch;

[0020] Figure 2 Optimized circuit diagram for U-band and L-band high-power multi-way switches; DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

[0022] Before describing the improved high-power multi-way switch of the present invention, the conventional circuits of the U-band and L-band high-power multi-way switches are described first, so as to understand the improved contents of the present invention.

[0023] See also Figure 1 As shown, Figure 1 This is a conventional circuit diagram of a high-power multi-way switch for U-band and L-band. Take the case of 2 antenna terminals, 3 transmitting terminals, and 2 receiving terminals as an example. The conventional circuit consists of two single-pole three-throw switches and one single-pole double-throw switch. The input of the first single-pole three-throw switch is connected to the first antenna terminal, the first output is connected to the A1 transmitting terminal, the second output is connected to the first receiving terminal, and the third output is connected to the first output of the single-pole double-throw switch; the input of the second single-pole three-throw switch is connected to the second antenna terminal, the first output is connected to the A2 transmitting terminal, the second output is connected to the second receiving terminal, and the third output is connected to the second output of the single-pole double-throw switch; the input of the single-pole double-throw switch is connected to the B transmitting terminal.

[0024] The conventional U-band and L-band high-power switches mentioned above use multiple switch combinations to meet the multi-way switching function, which results in a larger overall insertion loss of the switch, which is not conducive to system use. In view of this, the present application provides a low insertion loss high-power multi-way switch to meet the needs of the communication data link system.

[0025] See also Figure 2 As shown, Figure 2Optimize the circuit diagram for U-band and L-band high-power multi-way switches. Take the case of 2 antenna terminals, 3 transmitting terminals, and 2 receiving terminals as an example. It includes at least two single-pole three-throw switches; the input terminal of the first single-pole three-throw switch is connected to the first antenna terminal, the first output terminal of the first single-pole three-throw switch is connected to the A1 transmitting terminal, and the second output terminal of the first single-pole three-throw switch is connected to the first receiving terminal; the input terminal of the second single-pole three-throw switch is connected to the second antenna terminal, the first output terminal of the second single-pole three-throw switch is connected to the A2 transmitting terminal, and the second output terminal of the second single-pole three-throw switch is connected to the second receiving terminal; wherein the third output terminal of the first single-pole three-throw switch and the third output terminal of the second single-pole three-throw switch are multiplexed and connected to the B transmitting terminal.

[0026] Specifically, this solution realizes a multi-channel switching function by connecting and multiplexing the branch ports of two single-pole three-throw switches; it can switch as needed: A1 transmitter-first antenna-first receiver, A2 transmitter-second antenna-second receiver, B transmitter-first antenna-first receiver, B transmitter-second antenna-second receiver, to achieve switching options for four paths.

[0027] The improvement of this solution lies in that the branch port connection of two single-pole three-throw switches is multiplexed to replace the traditional single-pole three-throw switch and single-pole double-throw switch connection, so as to make full use of the switch path and realize the same switching function with the least circuit elements; in the case of 2 antenna ends, 3 transmitting ends and 2 receiving ends, two single-pole three-throw switches are used to replace the traditional two single-pole three-throw switches and one single-pole double-throw switch, so as to ensure the multi-channel switching function while reducing the insertion loss.

[0028] It should be noted that this solution is based on the idea of ​​multiplexing the branch ports of a single-pole three-throw switch. In actual use, more single-pole three-throw switches can be used to connect the branch common ports to achieve switching path expansion.

[0029] Furthermore, the single-pole triple-throw switch includes three driving switch circuits, one end of the three driving switch circuits is connected to be led out as the input end of the single-pole triple-throw switch, and the other end is respectively led out as the first output end, the second output end and the third output end of the single-pole triple-throw switch.

[0030] Furthermore, one end of the first driving switch circuit is connected to the A1 transmitting end, and the other end is connected to the first antenna end; one end of the second driving switch circuit is connected to the first antenna end, and the other end is connected to the first receiving end; one end of the third driving switch circuit is connected to the B transmitting end, and the other end is connected to the first antenna end; one end of the fourth driving switch circuit is connected to the A2 transmitting end, and the other end is connected to the second antenna end; one end of the fifth driving switch circuit is connected to the second antenna end, and the other end is connected to the second receiving end; one end of the sixth driving switch circuit is connected to the B transmitting end, and the other end is connected to the second antenna end.

[0031] Furthermore, the driving switch circuit includes a driving circuit and a switch circuit, and the driving circuit is connected to the switch circuit to control the switch circuit to be turned on or off.

[0032] Specifically, for the first driving switch circuit, the first switching circuit is independently controlled to be turned on or off by the first driving circuit to control the communication link between the A1 transmitting end and the first antenna end to be turned on or off; for the second driving switch circuit, the second switching circuit is independently controlled to be turned on or off by the second driving circuit to control the communication link between the first antenna end and the first receiving end to be turned on or off; for the third driving switch circuit, the third switching circuit is independently controlled to be turned on or off by the third driving circuit to control the communication link between the B transmitting end and the first antenna end to be turned on or off; for the fourth driving switch circuit, the fourth switching circuit is independently controlled to be turned on or off by the fourth driving circuit to control the communication link between the A2 transmitting end and the second antenna end to be turned on or off; for the fifth driving switch circuit, the fifth switching circuit is independently controlled to be turned on or off by the fifth driving circuit to control the communication link between the second antenna end and the second receiving end to be turned on or off; for the sixth driving switch circuit, the sixth switching circuit is independently controlled to be turned on or off by the sixth driving circuit to control the communication link between the B transmitting end and the second antenna end to be turned on or off.

[0033] Furthermore, the driving circuit includes a driver and a low-pass filter, the driver is connected to the low-pass filter, and the low-pass filter is connected to the switch circuit.

[0034] Specifically, the switch circuit includes: capacitor C1, capacitor C2, multiple sections of microstrip lines, diode D1 and diode D2; the capacitor C1, multiple sections of microstrip lines and capacitor C2 are connected in series, the anode of the diode D1 is connected to the microstrip line, the cathode is grounded, the anode of the diode D2 is connected to the microstrip line, the cathode is grounded, the diode D1 and the diode D2 are connected in parallel, and the anode of the diode D1 is led out as the driving end of the switch circuit. The driving circuit includes a driver, an inductor and a capacitor, the driver is connected to the driving end of the switch circuit through an inductor, one end of the capacitor is connected to the inductor, and the other end is grounded.

[0035] The following takes the optimized circuit composed of two single-pole three-throw switches as an example to explain the circuit structure in detail.

[0036] In the first driving switch circuit: including the first switch circuit and the first driving circuit, by independently controlling the first switch circuit to open or close, the communication link between the A1 transmitting end and the first antenna end is turned on or off. Specifically, the first switch circuit includes: capacitor C1, capacitor C2, diode D1, diode D2 and multiple sections of microstrip lines. The A1 transmitting end is connected to the first antenna end through the capacitor C2, multiple sections of microstrip lines and capacitor C1 arranged in series in sequence. The anode of the diode D1 is connected to the microstrip line, the cathode of the diode D1 is grounded, the anode of the diode D2 is connected to the microstrip line, the cathode of the diode D2 is grounded, and the two diodes D1 and D2 are connected in parallel to the circuit. The first driving circuit includes: driver 1 and low-pass filter 1. The driver 1 is connected to the anode of the diode D1 through the low-pass filter 1. The driving voltage output by the output end of the driver 1 is a positive voltage or a negative voltage. The low-pass filter 1 includes a capacitor and an inductor. The output end of the driver 1 is connected to the anode of the diode D1 through the inductor in sequence. One end of the capacitor is connected to the inductor and the other end is grounded.

[0037] In the second driving switch circuit: including the second switch circuit and the second driving circuit, the communication link between the first antenna end and the first receiving end is turned on or off by independently controlling the second switch circuit to be turned on or off. The second switch circuit includes: capacitor C3, capacitor C4, diode D3, diode D3 and multiple sections of microstrip lines. The first antenna end is connected to the first receiving end through the capacitor C3, multiple sections of microstrip lines and capacitor C4 arranged in series in sequence. The anode of the diode D3 is connected to the microstrip line, the cathode of the diode D3 is grounded, the anode of the diode D4 is connected to the microstrip line, the cathode of the diode D4 is grounded, and the diodes D3 and D4 are connected in parallel to the circuit. The second driving circuit includes: driver 2 and low-pass filter 2. The driver 2 is connected to the anode of the diode D3 through the low-pass filter 2. The driving voltage output by the output end of the driver 2 is a positive voltage or a negative voltage. The low-pass filter 2 includes: capacitor and inductor. The output end of the driver 2 is connected to the anode of the diode D3 through the inductor in sequence. One end of the capacitor is connected to the inductor and the other end is grounded.

[0038] In the third driving switch circuit: including the third switch circuit and the third driving circuit, the communication link between the B transmitting end and the first antenna end is turned on or off by independently controlling the third switch circuit to be turned on or off. The third switch circuit includes: capacitor C5, capacitor C6, diode D5, diode D6 and multiple sections of microstrip lines. The B transmitting end is connected to the first antenna end through the capacitor C6, multiple sections of microstrip lines and capacitor C5 arranged in series in sequence. The anode of the diode D5 is connected to the microstrip line, the cathode of the diode D5 is grounded, the anode of the diode D6 is connected to the microstrip line, the cathode of the diode D6 is grounded, and the two diodes D5 and D6 are connected in parallel to the circuit. The third driving circuit includes: driver three and low-pass filter three. The driver three is connected to the anode of the diode D5 through the low-pass filter three. The driving voltage output by the output end of the driver three is a positive voltage or a negative voltage. The low-pass filter three includes: capacitor and inductor. The output end of the driver three is connected to the anode of the diode D5 through the inductor in sequence. One end of the capacitor is connected to the inductor and the other end is grounded.

[0039] In the fourth driving switch circuit: including the fourth switch circuit and the fourth driving circuit, the communication link between the A2 transmitting end and the second antenna end is turned on or off by independently controlling the fourth switch circuit to be turned on or off. The fourth switch circuit includes: capacitor C11, capacitor C12, diode D11, diode D12 and multiple sections of microstrip lines. The A2 transmitting end is connected to the second antenna end through the capacitor C12, multiple sections of microstrip lines and capacitor C11 arranged in series in sequence. The anode of the diode D11 is connected to the microstrip line, the cathode of the diode D11 is grounded, the anode of the diode D12 is connected to the microstrip line, the cathode of the diode D12 is grounded, and the two diodes D11 and D12 are connected in parallel to the circuit. The fourth driving circuit includes: driver four and low-pass filter four. The driver four is connected to the anode of the diode D11 through the low-pass filter four. The driving voltage output by the output end of the driver four is a positive voltage or a negative voltage. The low-pass filter four includes: a capacitor and an inductor. The output end of the driver four is connected to the anode of the diode D11 through the inductor in turn. One end of the capacitor is connected to the inductor, and the other end is grounded.

[0040] In the fifth driving switch circuit: including the fifth switch circuit and the fifth driving circuit, the communication link between the second antenna end and the second receiving end is turned on or off by independently controlling the fifth switch circuit to be turned on or off. The fifth switch circuit includes: capacitor C9, capacitor C10, diode D9, diode D10 and multiple sections of microstrip lines. The second antenna end is connected to the second receiving end through the capacitor C9, multiple sections of microstrip lines and capacitor C10 arranged in series in sequence. The anode of the diode D9 is connected to the microstrip line, the cathode of the diode D9 is grounded, the anode of the diode D10 is connected to the microstrip line, the cathode of the diode D10 is grounded, and the two diodes D9 and D10 are connected in parallel to the circuit. The fifth driving circuit includes: driver five and low-pass filter five. The driver five is connected to the anode of the diode D9 through the low-pass filter five. The driving voltage output by the output end of the driver five is a positive voltage or a negative voltage. The low-pass filter five includes: capacitor and inductor. The output end of the driver five is connected to the anode of the diode D9 through the inductor in sequence. One end of the capacitor is connected to the inductor and the other end is grounded.

[0041] In the sixth driving switch circuit: including the sixth switch circuit and the sixth driving circuit, the communication link between the B transmitting end and the second antenna end is turned on or off by independently controlling the sixth switch circuit to be turned on or off. The sixth switch circuit includes: capacitor C7, capacitor C8, diode D7, diode D8 and multiple sections of microstrip lines. The B transmitting end is connected to the second receiving end through the capacitor C8, multiple sections of microstrip lines and capacitor C7 arranged in series in sequence. The anode of the diode D7 is connected to the microstrip line, the cathode of the diode D7 is grounded, the anode of the diode D8 is connected to the microstrip line, the cathode of the diode D8 is grounded, and the two diodes D7 and D8 are connected in parallel to the circuit. The sixth driving circuit includes: driver six and low-pass filter six. The driver six is ​​connected to the anode of the diode D7 through the low-pass filter six. The driving voltage output by the output end of the driver six is ​​a positive voltage or a negative voltage. The low-pass filter six includes: capacitor and inductor. The output end of the driver six is ​​connected to the anode of the diode D7 through the inductor in sequence. One end of the capacitor is connected to the inductor and the other end is grounded.

[0042] Furthermore, the first antenna end is connected to the first drive switch circuit, the second drive switch circuit and the third drive switch circuit respectively through microstrip lines; the second antenna end is connected to the fourth drive switch circuit, the fifth drive switch circuit and the sixth drive switch circuit respectively through microstrip lines; and the B transmitting end is connected to the third drive switch circuit and the sixth drive switch circuit respectively through microstrip lines.

[0043] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A U-band and L-band high-power multi-way switch, characterized in that: include: At least two single-pole, three-throw switches; An input end of the first single-pole three-throw switch is connected to the first antenna end, a first output end of the first single-pole three-throw switch is connected to the A1 transmitting end, and a second output end of the first single-pole three-throw switch is connected to the first receiving end; An input end of the second single-pole three-throw switch is connected to the second antenna end, a first output end of the second single-pole three-throw switch is connected to the A2 transmitting end, and a second output end of the second single-pole three-throw switch is connected to the second receiving end; The third output end of the first single-pole triple-throw switch and the third output end of the second single-pole triple-throw switch are multiplexed and commonly connected to the B transmitting end.

2. A U-band and L-band high-power multi-way switch according to claim 1, characterized in that: The single-pole triple-throw switch includes three driving switch circuits, one end of the three driving switch circuits is connected to be led out as the input end of the single-pole triple-throw switch, and the other end is respectively led out as the first output end, the second output end and the third output end of the single-pole triple-throw switch.

3. A U-band and L-band high-power multi-way switch according to claim 2, characterized in that: One end of the first driving switch circuit is connected to the A1 transmitting end, and the other end is connected to the first antenna end; one end of the second driving switch circuit is connected to the first antenna end, and the other end is connected to the first receiving end; one end of the third driving switch circuit is connected to the B transmitting end, and the other end is connected to the first antenna end; one end of the fourth driving switch circuit is connected to the A2 transmitting end, and the other end is connected to the second antenna end; one end of the fifth driving switch circuit is connected to the second antenna end, and the other end is connected to the second receiving end; one end of the sixth driving switch circuit is connected to the B transmitting end, and the other end is connected to the second antenna end.

4. A U-band and L-band high-power multi-way switch according to claim 2, characterized in that: The driving switch circuit includes a driving circuit and a switch circuit. The driving circuit is connected to the switch circuit and is used to control the switch circuit to be turned on or off.

5. A U-band and L-band high-power multi-way switch according to claim 4, characterized in that: The driving circuit includes a driver and a low-pass filter, the driver is connected to the low-pass filter, and the low-pass filter is connected to the switch circuit.

6. A U-band and L-band high-power multi-way switch according to claim 4, characterized in that: The switch circuit includes: capacitor C1, capacitor C2, multiple sections of microstrip lines, diode D1 and diode D2; The capacitor C1, multiple sections of microstrip lines, and capacitor C2 are connected in series, the anode of the diode D1 is connected to the microstrip line, the cathode is grounded, the anode of the diode D2 is connected to the microstrip line, the cathode is grounded, the diode D1 and the diode D2 are connected in parallel, and the anode of the diode D1 is led out as the driving end of the switch circuit.

7. A U-band and L-band high-power multi-way switch according to claim 6, characterized in that: The driving circuit includes a driver, an inductor and a capacitor. The driver is connected to the driving end of the switch circuit through the inductor. One end of the capacitor is connected to the inductor and the other end is grounded.

8. A U-band and L-band high-power multi-way switch according to claim 1, characterized in that: The first antenna end is connected to the first drive switch circuit, the second drive switch circuit and the third drive switch circuit respectively through microstrip lines.

9. A U-band and L-band high-power multi-way switch according to claim 1, characterized in that: The second antenna end is connected to the fourth drive switch circuit, the fifth drive switch circuit and the sixth drive switch circuit respectively through microstrip lines.

10. A U-band and L-band high-power multi-way switch according to claim 1, characterized in that: The B transmitting end is connected to the third driving switch circuit and the sixth driving switch circuit respectively through microstrip lines.

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