CN216120678U

CN216120678U - Microwave switch

Info

Publication number: CN216120678U
Application number: CN202122894881.4U
Authority: CN
Inventors: 王书见
Original assignee: Meixun Wuxi Communication Technology Co ltd
Current assignee: Meixun Wuxi Communication Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-03-22
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to the technical field of microwave switches, and discloses a microwave switch which comprises a body, wherein a microwave switch channel is arranged on the body, the microwave switch channel comprises two input connectors and a connecting piece, the connecting piece is connected with the lower end of a push rod, magnetic steel is arranged at the top of the push rod, a driving device is arranged at the top of the body, the driving device comprises a coil frame, a coil, a movable iron core, a static iron core and a sliding rod, the coil is wound on the coil frame, the movable iron core and the static iron core are arranged in the channel of the coil frame from top to bottom, the lower end of the movable iron core is connected with the sliding rod, the sliding rod penetrates through the static iron core and is connected with the upper end of the push rod, when the coil is not connected into excitation, the push rod drives the connecting piece to move upwards under the action of the attraction force between the magnetic steel and the static iron core, so that the microwave switch channel is switched off, the power consumption of the microwave switch is reduced, in addition, the coil is wound on the coil frame in a solenoid structure, and the movable iron core and the static iron core are both arranged in the coil frame, the magnetic energy utilization rate is higher than that of the existing mode of driving the armature to rotate.

Description

Microwave switch

Technical Field

The utility model relates to the technical field of microwave switches, in particular to a microwave switch.

Background

At present, in the field of radio frequency, a microwave switch is used to realize channel switching of radio frequency signals, and the microwave switch can be divided into an electromechanical relay microwave switch and a solid-state microwave switch according to different working principles. The existing electromechanical relay microwave switch mainly drives an armature to rotate through a coil to drive a connecting piece for controlling the on-off of a microwave switch channel in the microwave switch to move up and down, when the connecting piece moves down to a proper position, a corresponding microwave switch is turned on, and when the connecting piece moves up to a proper position, a corresponding microwave switch channel is turned off. In addition, the existing microwave switch can not realize that the microwave channels of the two microwave switches are in an off state at the same time.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the background art, the utility model provides a microwave switch, and aims to solve the technical problems that the existing microwave switch is low in magnetic energy utilization rate and high in energy consumption, and two microwave switch channels cannot be turned off at the same time.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a microwave switch, includes the body, be equipped with at least one microwave switch passageway on the body, microwave switch passageway includes two input joints and a connecting piece, two input joints are located the bottom of body, the connecting piece is located inside the body, the connecting piece is connected with the lower extreme of push rod, the magnet steel is installed at the top of push rod, the top of body is equipped with drive arrangement, drive arrangement includes coil former, coil, moves iron core, quiet iron core and slide bar, the coil winding is in on the coil former, it all is in to move iron core and quiet iron core in the passageway of coil former, it is in to move the iron core quiet iron core top, move the lower extreme of iron core with slide bar connection, the slide bar passes quiet iron core with the upper end of push rod is connected.

When the microwave switch is in practical use, when the coil is not connected with an excitation, namely a power supply, under the action of attraction between the magnetic steel and the static iron core, the push rod drives the connecting piece to move upwards, and a microwave switch channel in the microwave switch is in a turn-off state. When the coil is connected to excitation, suction force is generated between the static iron core and the movable iron core, the movable iron core moves downwards, and the movable iron core drives the connecting piece to move downwards through the sliding rod and the push rod, so that the microwave switch channel is closed.

In one embodiment, the lower end of the push rod is connected to the center of the connecting member.

In one embodiment, the top of the body is provided with a lower yoke, the top of the lower yoke is connected with an upper yoke through a connecting rod, the coil rack is mounted on the lower yoke, and the coil is located between the lower yoke and the upper yoke.

In a certain embodiment, the stationary core is inserted into the channel of the coil frame from a lower opening of the channel of the coil frame, the lower yoke is provided with a mounting hole at a position corresponding to the push rod, and the stationary core is mounted at an upper opening of the mounting hole.

In one embodiment, the body is provided with two microwave switch channels, and the top of the body is provided with two driving devices.

Compared with the prior art, the utility model has the beneficial effects that: when the coil is not connected to excitation, under the action of attraction between the magnetic steel and the static iron core, the push rod drives the connecting piece to move upwards, and all channels of the microwave switch are in a turn-off state, so that the microwave switch has a higher isolation index; in addition, the coil is wound on the coil frame to form a solenoid structure, and the movable iron core and the static iron core are both arranged in a channel of the coil frame, so that the magnetic energy utilization rate of the magnetic energy driving device is higher than that of the existing mode of driving the armature to rotate, the magnetic flux leakage is lower, the excitation power required during switching state conversion is smaller, and the energy consumption is lower; reset through the gravitation between magnet steel and the quiet iron core to the switch, compare with traditional scheme that sets up reset spring in push rod and mounting hole department, avoided wearing and tearing and the fatigue problem of spring between push rod and spring.

Drawings

Fig. 1 is a schematic structural diagram of the present invention in an embodiment.

In the figure: 1. the device comprises a body, 2, a connecting piece, 3, an input joint, 4, a push rod, 5, magnetic steel, 6, a coil frame, 7, a coil, 8, a movable iron core, 9, a static iron core, 10, a sliding rod, 11, a mounting hole, 12, a lower yoke, 13, a connecting rod, 14 and an upper yoke.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in figure 1, a microwave switch, including the body 1, there are up to two microwave switch channels on the body 1, the microwave switch channel includes two input joints 3 and a link 2, two microwave switch channels in figure 1 have a common input joint, call the microwave switch channel on the left side as the left microwave switch channel, the microwave switch channel on the right side as the right microwave switch channel, two input joints 3 of a single microwave switch channel are located in the bottom of the body 1, the link 2 is located in the body 1, the link 2 is connected with the lower end of the push rod 4, the top of the push rod 4 is equipped with the magnet steel 5, the top of the body 4 is equipped with two driving devices, the driving device includes the coil former 6, the coil 7, the movable iron core 8, the static iron core 9 and the slide bar 10, the coil 7 is wound on the coil former 6, the movable iron core 8 and the static iron core 9 are all in the channel of the coil former 6, the movable iron core 8 is arranged above the static iron core 9, the lower end of the movable iron core 8 is connected with the sliding rod 10, and the sliding rod 10 penetrates through the static iron core 9 to be connected with the upper end of the push rod 4.

In practical use, when the coils 7 in the two driving devices in fig. 1 are not energized, the push rod 4 drives the connecting piece 2 to move upwards under the action of the attraction force between the magnetic steel 5 and the static iron core 9, and the two microwave switch channels in the microwave switch are in an off state.

When the coil 7 of the left driving device is connected to excitation, a suction force is generated between the movable iron core 8 and the static iron core 9 of the left driving device, the movable iron core 8 of the left driving device moves downwards to drive the connecting piece 2 to move downwards, so that the left microwave switch channel is closed, the driving device on the right side is not connected to excitation, the position of the connecting piece 2 is unchanged, and the right microwave switch channel is in a turn-off state.

When the coil 7 of the driving device on the right side is connected to excitation, a suction force is generated between the movable iron core 8 and the static iron core 9 of the driving device on the right side, the movable iron core 8 of the driving device on the right side moves downwards to drive the connecting piece 2 to move downwards, so that the right microwave switch channel is closed, the driving device on the left side is not connected to excitation, the position of the connecting piece 2 is unchanged, and the left microwave switch channel is in a turn-off state.

In practical use, when the body is provided with one microwave switch channel, the microwave switch is a single-channel microwave switch, and when the body 1 is provided with a plurality of K microwave switch channels, the microwave switch is a K-channel microwave switch.

Specifically, in the present embodiment, in each microwave switch passage, the center of the link 2 is connected to the lower end of the push rod 4.

In addition, in order to improve the utilization efficiency of magnetic energy, the top of the body 1 is provided with a lower yoke 12, the top of the lower yoke 12 is connected with an upper yoke 14 through a connecting rod 13, the coil frame 6 is installed on the lower yoke 12, and the coil 7 is positioned between the lower yoke 12 and the upper yoke 14. When a plurality of driving devices are mounted on the body 1, the coil of each driving device is located between the lower choke 12 and the upper choke 14.

Specifically, the static iron core 9 is embedded into the channel of the coil frame 6 from the lower opening of the channel of the coil frame 6, the lower yoke 12 is provided with a mounting hole 11 at the corresponding position of the push rod 4, and the static iron core 9 is mounted at the upper opening of the mounting hole 11.

In summary, the stationary iron core 9 and the movable iron core 8 are arranged in the channel of the coil frame 6 from top to bottom, and the movable iron core 8 is connected with the push rod 4 through the slide rod 10, when the coil 7 is not connected to excitation, under the action of the attraction force between the magnetic steel 5 and the stationary iron core 9, the push rod 4 drives the connecting piece 2 to move upwards, all channels of the microwave switch are in a turn-off state, so that the microwave switch has a higher isolation index, in addition, the coil 7 is wound on the coil frame 6 to be of a solenoid structure, and the movable iron core 8 and the stationary iron core 9 are both arranged in the channel of the coil frame 6, so that the magnetic energy utilization rate of the microwave switch is higher than that of the existing mode of driving the armature to rotate, the magnetic flux leakage is lower, the excitation power required during switching of the switch state is smaller, and the energy consumption is lower; and finally, the microwave switch channel is reset through the attraction between the magnetic steel 5 and the static iron core 9, and compared with the traditional scheme that a reset spring is arranged at the push rod 4 and the mounting hole 11, the problems of abrasion between the push rod 4 and the spring and spring fatigue are avoided.

In light of the above, it is clear that many changes and modifications can be made by the workers in the field without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a microwave switch, includes the body, be equipped with at least one microwave switch passageway on the body, microwave switch passageway includes two input joints and a connecting piece, two input joints are located the bottom of body, the connecting piece is located inside the body, the connecting piece is connected with the lower extreme of push rod, a serial communication port, the magnet steel is installed at the top of push rod, the top of body is equipped with drive arrangement, drive arrangement includes coil former, coil, moves iron core, quiet iron core and slide bar, the coil winding is in on the coil former, it all is in to move iron core and quiet iron core in the passageway of coil former, it is in to move the iron core quiet iron core top, move the lower extreme of iron core with sliding rod connection, the slide bar passes quiet iron core with the upper end of push rod is connected.

2. A microwave switch according to claim 1, wherein the lower end of the push rod is connected to the center of the connecting member.

3. A microwave switch according to claim 1, wherein the top of the body is provided with a lower yoke, the top of the lower yoke is connected with an upper yoke through a connecting rod, the coil former is mounted on the lower yoke, and the coil is located between the lower yoke and the upper yoke.

4. The microwave switch according to claim 3, wherein the stationary core is inserted into the passage of the bobbin from a lower opening of the passage of the bobbin, the lower yoke has a mounting hole at a position corresponding to the push rod, and the stationary core is mounted at an upper opening of the mounting hole.

5. A microwave switch according to any of claims 1-4, characterized in that the body is provided with two microwave switch channels, and the top of the body is provided with two driving means.