Multi-channel microwave device

Abstract

The utility model relates to the technical field of microwave switches, and discloses a multi-channel microwave device, which comprises a bottom plate, a first microwave switch and a plurality of second microwave switches are arranged on the top surface of the bottom plate, the first microwave switch comprises a plurality of first microwave channels, and each first microwave channel corresponds to one second microwave switch; a transmission cavity is arranged between the other end of each first microwave channel and the second common end of the corresponding second microwave switch on the bottom plate; in actual use, the transmission cavity is arranged between the other end of each first microwave channel and the second common end of the corresponding second microwave switch for signal transmission, so that a cable for connecting the first microwave channels and the second microwave channels can be omitted, the size of the device can be reduced, and the cost can be reduced. In addition, the specification of each transmission cavity can be accurately determined through processing, so that the consistency of the signal transmission time of all the transmission cavities is good, and the performance of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to microwave switch technical field, concretely relates to a kind of multi-channel microwave device. BACKGROUND

[0002] Microwave switch, for radio frequency signal channel switching, is widely applied in microwave field.In one application mode of existing microwave switch, i.e.multichannel microwave device, multiple microwave switches are included, one of which is a center microwave switch, and the rest are edge microwave switches, and the microwave switch channels of the center microwave switch are connected to the common terminals of each edge microwave switch through cables, but this connection mode has the following defects:

[0003] One: connecting the center microwave switch and the edge microwave switch through cables will result in the increase of the overall size of the device, and the signal transmission channel loss will also increase.

[0004] Two: due to the influence of cable manufacturing process, the length and S parameter index of different cables will have obvious deviation, and the index consistency of different ports of the multiport microwave switch formed by combination is poor, which will result in different transmission times of signals in different cables and affect the performance of the product. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the background art, the utility model provides a kind of multi-channel microwave device, and the technical problems to be solved are the problems of large size and inconsistent signal transmission time when using cables to connect different microwave switches in the existing multi-channel microwave device.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a kind of multi-channel microwave device, including bottom plate, the top surface of the bottom plate is provided with a first microwave switch and multiple second microwave switches, and all second microwave switches are arranged around the first microwave switch;

[0007] The first microwave switch includes multiple first microwave channels, the number of first microwave channels is the same as the number of second microwave switches, and one first microwave channel is arranged correspondingly with one second microwave switch;All first microwave channels include a first common terminal;

[0008] Each second microwave switch includes multiple second microwave channels, and all second microwave channels of each second microwave switch include a second common terminal;

[0009] The bottom surface of the bottom plate is provided with a radio frequency connector at the first common terminal, the other end of each first microwave channel and the other end of each second microwave channel respectively;

[0010] Transmission cavities are respectively arranged between the other end of each first microwave channel and the second common terminal of the corresponding second microwave switch on the bottom plate.

[0011] For all the second microwave switches, two second microwave channels of each second microwave switch are respectively provided with a third common end between one second microwave channel of two adjacent second microwave switches.

[0012] In some embodiments, the number of second microwave channels of each second microwave switch is the same as the number of all first microwave channels.

[0013] In some embodiments, the first microwave switch comprises eight first microwave channels.

[0014] In some embodiments, all the first microwave channels are circularly and equally spaced, all the second microwave channels of each second microwave switch are circularly and equally spaced, and the second common ends of all the second microwave switches are circularly and equally spaced around the first common end of the first microwave switch.

[0015] In some embodiments, a signal transmitter is respectively provided in each transmission cavity.

[0016] In some embodiments, the bottom plate is rectangular.

[0017] In some embodiments, a fixing hole is respectively provided at four corners of the bottom plate.

[0018] In some embodiments, the utility model further comprises a cover plate, the cover plate is located on the top surface of the bottom plate, and covers the first microwave switch and all the second microwave switches.

[0019] A radio frequency reed is respectively provided in each first microwave channel and each second microwave channel, a push rod penetrating through the cover plate is connected to each radio frequency reed, and a spring is provided between the end of the push rod away from the radio frequency reed and the top surface of the cover plate.

[0020] In some embodiments, the cover plate is circular.

[0021] In some embodiments, two pairs of first screw holes are provided on the cover plate, second screw holes corresponding to the first screw holes are provided on the bottom plate, and a screw is provided in each first screw hole and the corresponding second screw hole.

[0022] Compared with the prior art, the utility model has the beneficial effects that: the utility model transmits signals by respectively providing a transmission cavity between the other end of each first microwave channel and the second common end of the corresponding second microwave switch, which can save the cable connecting the first microwave channel and the second microwave channel, thereby reducing the volume of the device and the loss during signal transmission, and the specification of each transmission cavity can be accurately determined through machining, so that the consistency of the signal transmission time of all the transmission cavities is good, and the performance of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 Structure diagram of the bottom plate in the embodiment;

[0024] Figure 2 Structure diagram of the bottom plate as a cover plate in the embodiment;

[0025] Figure 3 Structure diagram of the Figure 2 internal cross-section;

[0026] Figure 4 Structure diagram of the push rod, the radio frequency reed and the spring in the Figure 2 DETAILED DESCRIPTION

[0027] The utility model will be described in further detail in connection with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, and thus only show the components related to the utility model.

[0028] In order to reduce the volume of the existing multi-channel microwave device, and make the signal transmission time consistency between different microwave switches of the multi-channel microwave device better, as shown in Figures 1-3 , the embodiment provides a multi-channel microwave device, which comprises a bottom plate 1, the top surface of the bottom plate 1 is provided with a first microwave switch 11 and a plurality of second microwave switches 12, and all the second microwave switches 12 are arranged around the first microwave switch 11.

[0029] The first microwave switch 11 comprises a plurality of first microwave channels 110, the number of the first microwave channels 110 is the same as the number of the second microwave switches 12, and one first microwave channel 110 is arranged correspondingly to one second microwave switch 12; all the first microwave channels 11 comprise a first common end 111.

[0030] Each second microwave switch 12 comprises a plurality of second microwave channels 120, and all the second microwave channels 120 of each second microwave switch 12 comprise a second common end 121.

[0031] Referring to Figure 3 , the bottom surface of the bottom plate 1 is provided with a radio frequency connector 15 at the first common end 111, the other end of each first microwave channel 110 and the other end of each second microwave channel 120 respectively;

[0032] Referring to Figure 3 , the bottom plate 1 is provided with a transmission cavity 16 between the other end of each first microwave channel 110 and the second common end 121 of the corresponding second microwave switch 12 respectively;

[0033] Referring to Figure 1 ​For all the second microwave switches 12, two second microwave channels 120 of each second microwave switch 12 are respectively provided with a third common end 122 between one second microwave channel 120 of the adjacent two second microwave switches 12.

[0034] In actual use, the signal transmission is performed by respectively providing a transmission cavity 16 between the other end of each first microwave channel 110 and the second common end 121 of the corresponding second microwave switch 12, so that the cable connecting the first microwave channel 110 and the second microwave channel 120 can be omitted, thereby reducing the volume of the device, and in addition, the specification of each transmission cavity 16 can be accurately determined by processing, so that the consistency of the signal transmission time of all the transmission cavities 16 is good, thereby improving the performance of the device

[0035] In addition, in the embodiment, the number of the second microwave channels 120 of each second microwave switch 12 is the same as the number of all the first microwave channels 110. For example, the first microwave switch 11 includes eight first microwave channels 110, and the entire device includes 8 first microwave channels 110 and 64 second microwave channels 120.

[0036] In some embodiments, the number of the first microwave channels 110 of the first microwave switch 11 can be set according to actual needs, which is not limited here.

[0037] In addition, in the embodiment, all the first microwave channels 110 are circularly and equally spaced, all the second microwave channels 120 of each second microwave switch 12 are circularly and equally spaced, and the second common ends 121 of all the second microwave switches 12 are circularly and equally spaced around the first common end 111 of the first microwave switch 11.

[0038] In addition, in the embodiment, each transmission cavity 16 is respectively provided with a signal transmitter 17.

[0039] In addition, in the embodiment, the bottom plate 1 is rectangular. Further, the bottom plate 1 is respectively provided with a fixing hole 13 at four corners. In actual use, the bottom plate 1 can be fixed to the remaining peripheral components through the fixing hole 13.

[0040] In some embodiments, the bottom plate 1 can also have other shapes, which are not limited here.

[0041] In the embodiment, as shown in Figure 2 and 3 The utility model also includes a cover plate 2, the cover plate 2 is located at the top surface of bottom plate 1, and covers the first microwave switch 11 and all the second microwave switches 12.

[0042] Each first microwave channel 110 and each second microwave channel 120 is respectively provided with a radio frequency reed 3, which is not described here.Figure 4 Each radio frequency spring 3 is connected to a push rod 4 that passes through the cover plate 2. A spring 5 is provided between the end of the push rod 4 away from the radio frequency spring 3 and the top surface of the cover plate 2.

[0043] In actual use, when an external component drives the RF spring 3 to move downward, the corresponding microwave channel can be turned on.

[0044] In this embodiment, the cover plate 2 is circular. In some implementations, the cover plate 2 may also be other shapes, which are not limited here.

[0045] In this embodiment, as Figure 2 As shown, the cover plate 2 has two opposite first screw holes 20, such as Figure 1 As shown, the base plate 1 has a second screw hole 14 at the corresponding position of the first screw hole 20. Each first screw hole 20 and the corresponding second screw hole 14 is provided with a screw, which connects the cover plate 2 and the base plate 1 together.

[0046] Based on the above description and inspired by this utility model, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A multi-channel microwave device, characterized by, The application relates to a microwave switch, which comprises a bottom plate (1), the top surface of the bottom plate (1) is provided with a first microwave switch (11) and a plurality of second microwave switches (12), and all the second microwave switches (12) are arranged around the first microwave switch (11). The first microwave switch (11) comprises a plurality of first microwave channels (110), the number of the first microwave channels (110) is the same as that of the second microwave switches (12), and one first microwave channel (110) is arranged correspondingly to one second microwave switch (12); all the first microwave channels (110) comprise a first common end (111). Each second microwave switch (12) comprises a plurality of second microwave channels (120), and all the second microwave channels (120) of each second microwave switch (12) comprise a second common end (121). The bottom surface of the bottom plate (1) is provided with radio frequency connectors (15) at the first common end (111), the other end of each first microwave channel (110) and the other end of each second microwave channel (120) respectively. The bottom plate (1) is provided with transmission cavities (16) between the other end of each first microwave channel (110) and the second common end (121) of the corresponding second microwave switch (12) respectively. For all the second microwave switches (12), two second microwave channels (120) of each second microwave switch (12) and one second microwave channel (120) of two adjacent second microwave switches (12) are respectively provided with a third common end (122).

2. A multi-channel microwave device according to claim 1, characterized in that The number of the second microwave channels (120) of each second microwave switch (12) is the same as that of all the first microwave channels (110).

3. A multi-channel microwave device according to claim 2, wherein, The first microwave switch (11) comprises eight first microwave channels (110).

4. A multi-channel microwave device according to claim 1, wherein All the first microwave channels (110) are circularly and equally spaced, all the second microwave channels (120) of each second microwave switch (12) are circularly and equally spaced, and the second common ends (121) of all the second microwave switches (12) are circularly and equally spaced around the first common end (111) of the first microwave switch (11).

5. A multi-channel microwave device according to claim 1, wherein Each transmission cavity (16) is respectively provided with a signal transmitter (17).

6. A multi-channel microwave device according to claim 1, wherein The bottom plate (1) is rectangular.

7. A multi-channel microwave device according to claim 6, wherein The bottom plate (1) is provided with fixing holes (13) at four corners respectively.

8. A multi-channel microwave device according to any one of claims 1-7, characterized in that The microwave switch further comprises a cover plate (2), the cover plate (2) is located on the top surface of the bottom plate (1) and covers the first microwave switch (11) and all the second microwave switches (12). Each first microwave channel (110) and each second microwave channel (120) is respectively provided with a radio frequency reed (3), each radio frequency reed (3) is connected with a push rod (4) penetrating through the cover plate (2), and a spring (5) is arranged between the end, away from the radio frequency reed (3), of the push rod (4) and the top surface of the cover plate (2).

9. A multi-channel microwave device according to claim 8, wherein, The cover plate (2) is circular.

10. A multi-channel microwave device according to claim 9, wherein, The cover plate (2) is provided with two pairs of first screw holes (20), the bottom plate (1) is provided with second screw holes (14) at the corresponding positions of the first screw holes (20), and a screw is arranged in each first screw hole (20) and the corresponding second screw hole (14).

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