CN113571850B - Driving mechanism of microwave coaxial switch and coaxial switch comprising same - Google Patents
Driving mechanism of microwave coaxial switch and coaxial switch comprising same Download PDFInfo
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- CN113571850B CN113571850B CN202110896541.7A CN202110896541A CN113571850B CN 113571850 B CN113571850 B CN 113571850B CN 202110896541 A CN202110896541 A CN 202110896541A CN 113571850 B CN113571850 B CN 113571850B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/10—Auxiliary devices for switching or interrupting
- H01P1/11—Auxiliary devices for switching or interrupting by ferromagnetic devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
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Abstract
The invention discloses a driving mechanism of a microwave coaxial switch, which comprises a swinging piece, a supporting connecting piece and a displacement assembly, wherein the first end of the swinging piece is arranged above a first push rod of a radio frequency assembly, the second end of the swinging piece is arranged above a second push rod of the radio frequency assembly, the supporting connecting piece is fixedly arranged between the first push rod and the second push rod, and the middle end of the swinging piece is rotatably connected with the supporting connecting piece; the displacement assembly is arranged above the radio frequency assembly, and the telescopic end of the displacement assembly is connected with the first end or the second end of the swinging piece and drives the first end of the swinging piece to move up or down; the invention drives one end of the swinging piece to move downwards or upwards through the displacement component and supports the middle part of the swinging piece through the supporting connecting piece, thereby realizing the function that the second end is bound to move upwards when the first end of the swinging piece moves downwards, and avoiding the condition of simultaneously communicating two channels.
Description
Technical Field
The invention relates to the technical field of radio frequency, in particular to a driving mechanism of a microwave coaxial switch and a coaxial switch comprising the same.
Background
The switching of radio frequency transmission channels of a traditional microwave coaxial switch is mostly realized by adopting a driving coil mechanism, generally, the axial force generated by electrifying a coil is converted into the linear motion of a driving rod, the driving rod is arranged above a push rod of a radio frequency assembly of the microwave coaxial switch, the driving rod is driven by the coil to move up and down, a magnet of the existing driving coil is arranged between two coils, the driving rod is arranged in the coil, therefore, at least two coils and the driving rod are required to be arranged to realize the switching of the radio frequency transmission channels, the stroke of the axial motion adopting the design is limited, and the pressing force generated by the maximum stroke cannot ensure good radio frequency electric contact, so that the driving stroke and the high-power radio frequency performance of a product are influenced.
Disclosure of Invention
The invention aims to solve the technical problem of reliable contact under a large stroke, and provides a driving mechanism of a microwave coaxial switch and the coaxial switch comprising the same, so that the problems of high-power radio frequency transmission channel switching and reliable contact are solved.
The invention is realized by the following technical scheme:
a drive mechanism for a microwave coaxial switch, comprising:
the swinging piece is provided with a first end and a second end, the position of the swinging piece relative to the radio frequency assembly of the coaxial switch is set to be an upper position, the first end of the swinging piece is arranged above a first push rod of the radio frequency assembly, and the second end of the swinging piece is arranged above a second push rod of the radio frequency assembly;
the supporting connecting piece is fixedly arranged between the first push rod and the second push rod, and the middle end of the swinging piece is rotatably connected with the supporting connecting piece;
the displacement assembly is arranged above the radio frequency assembly, and the telescopic end of the displacement assembly is connected with the first end or the second end of the swinging piece and drives the first end of the swinging piece to move upwards or downwards;
when the displacement assembly is in a first state, the first end of the swinging piece moves downwards and drives the first push rod to move downwards;
when the displacement assembly is in the second state, the second end of the swinging piece moves downwards and drives the second push rod to move downwards.
Specifically, the displacement assembly includes:
the stator is connected with the radio frequency assembly, and a straight hole perpendicular to the radio frequency assembly is formed in the middle of the stator;
the permanent magnet is fixedly connected with the middle part of the stator;
excitation coils wound on the stator and located above and below the permanent magnets;
and the upper end of the driving shaft is arranged in the straight hole and is connected with the stator in a sliding way, and the lower end of the driving shaft is connected with the swinging piece.
Specifically, the ends of the exciting coil are respectively and electrically connected with a power line and a control circuit.
Specifically, the stator includes:
an upper shaft section;
the upper side surface of the middle section is fixedly connected with the lower end of the upper shaft section, a plurality of mounting holes are formed in the circumference of the middle section along the radius direction of the middle section, and a plurality of permanent magnets are fixedly arranged in the mounting holes;
the upper end of the lower shaft section is fixedly connected with the lower side surface of the middle section;
wherein the diameter of the upper shaft section and the diameter of the lower shaft section are both smaller than the diameter of the middle section, and the excitation coil is wound on the upper shaft section and the lower shaft section.
Further, the lower end of the driving shaft is connected with the swinging piece through a slidable connecting piece;
a waist-shaped groove is formed in the connecting end of the swinging piece and the driving shaft, and the long axis direction of the waist-shaped groove is parallel to the connecting line between the first end and the second end of the swinging piece;
the slidable connector includes:
the shaft core is vertically and fixedly connected with the lower end of the driving shaft, and the shaft core is vertical to a connecting line between the first end and the second end of the swinging piece;
at least one end of the shaft core is arranged in the kidney-shaped groove and is connected with the kidney-shaped groove in a sliding mode.
As an embodiment, the kidney slots include a first kidney slot and a second kidney slot;
when the displacement assembly is connected with the first end of the swinging assembly, the swinging member comprises:
a main body, wherein the middle end of the main body is rotatably connected with the supporting connecting piece;
a first end of the first vertical plate is fixedly connected with a first end of the main body, and the first vertical plate is provided with the first kidney-shaped groove;
the second vertical plate is parallel to the first vertical plate, the first end of the second vertical plate is fixedly connected with the first end of the main body, and the second vertical plate is provided with the second kidney-shaped groove;
the both ends of axle core set up respectively first kidney slot with in the second kidney slot, the lower extreme setting of drive shaft is in first vertical plate with between the second riser.
As another embodiment, the kidney slots include a first kidney slot and a second kidney slot;
when the displacement assembly is connected with the second end of the swinging assembly, the swinging piece comprises:
a main body, wherein the middle end of the main body is rotatably connected with the supporting connecting piece;
a second end of the first vertical plate is fixedly connected with a second end of the main body, and the first vertical plate is provided with the first kidney-shaped groove;
the second vertical plate is parallel to the first vertical plate, a second end of the second vertical plate is fixedly connected with a second end of the main body, and the second vertical plate is provided with the second kidney-shaped groove;
the both ends of axle core set up respectively first kidney slot with in the second kidney slot, the lower extreme setting of drive shaft is in first vertical plate with between the second riser.
Specifically, the slidable connector further comprises:
the shaft sleeves are sleeved at two ends of the shaft core and are rotatably connected with the shaft core, and the shaft sleeves are slidably connected with the kidney-shaped grooves;
an insulation sheet disposed between the drive shaft and the oscillating member.
Specifically, the oscillating piece further includes:
the extension plate is fixedly connected with the lower side surface of the main body, the first end of the extension plate is attached to the first push rod, and the second end of the extension plate is attached to the second push rod;
the length of the extension plate is greater than that of the main body;
when the extension plate is parallel to the upper side of the radio frequency assembly, the midpoint of the extension plate is located directly below the midpoint of the main body.
A microwave coaxial switch comprises the driving mechanism of the microwave coaxial switch.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention drives one end of the swinging piece to move downwards or upwards through the displacement component and supports the middle part of the swinging piece through the supporting connecting piece, thereby realizing the function that the second end is bound to move upwards when the first end of the swinging piece moves downwards, and avoiding the condition of simultaneously communicating two channels.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram of a driving mechanism of a microwave coaxial switch according to the invention.
Reference numerals: 1-a swinging piece, 2-a driving shaft, 3-an exciting coil, 4-a stator, 5-a permanent magnet, 6-a rotating shaft, 7-an extension plate, 8-a shaft core, 9-a supporting connecting piece, 11-a first push rod, 12-a second push rod and 13-a first guide plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention.
It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
In the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The microwave coaxial switch used in this embodiment includes a radio frequency component and a driving mechanism, and the radio frequency component is briefly described as follows:
the radio frequency assembly comprises a radio frequency cavity, a radio frequency input socket and two radio frequency output sockets.
For convenience of subsequent description, the two rf output sockets are named as a first rf output socket and a second rf output socket, and the structures and functions of the two rf output sockets are completely the same and may be interchanged in practical situations.
The first radio frequency output socket/the second radio frequency output socket is communicated with the radio frequency input socket through a change-over switch.
The change-over switch comprises a first guide plate 13, a second guide plate, a first push rod 11 and a second push rod 12, wherein the first push rod 11 can move up and down and drives two ends of the first guide plate 13 to be electrically connected with the first radio frequency output socket and the radio frequency input socket.
The second push rod 12 can move up and down and drive the two ends of the second cutting board to be electrically connected with the second radio frequency output socket and the radio frequency input socket.
The main purpose is to realize the mutual switching of microwave signals/radio frequency signals among different channels, so that the communication between a radio frequency input socket and a radio frequency output socket is realized by arranging a change-over switch.
The driving mechanism is a mechanism for driving the first push rod 11 and the second push rod 12 to move, and a plurality of embodiments are provided below for explanation.
Example one
A driving mechanism of a microwave coaxial switch comprises a swinging piece 1, a supporting connecting piece 9 and a displacement assembly.
For convenience of description, the position of the oscillating member 1 with respect to the rf component of the coaxial switch is set to be upward, and this orientation is not limited to a specific use orientation of the driving mechanism and the coaxial switch, but is only for convenience of description of a positional relationship between the respective components.
The swinging piece 1 is provided with a first end and a second end, the first end of the swinging piece 1 is arranged above a first push rod 11 of the radio frequency assembly, and the second end of the swinging piece 1 is arranged above a second push rod 12 of the radio frequency assembly;
the oscillating piece 1 is provided with a first end and a second end, which are located on the same line, and the first end and the second end thereof can be interchanged without any practical difference.
The supporting connecting piece 9 is fixedly arranged between the first push rod 11 and the second push rod 12, and the middle end of the swinging piece 1 is rotatably connected with the supporting connecting piece 9;
the upper end of the supporting connecting piece 9 is rotatably connected with the middle end of the swinging piece 1 through a connecting piece such as a rotating shaft 6.
In this embodiment, the supporting connection member 9 may be a supporting block or a supporting rod, the lower end of which is fixedly connected to the rf assembly and is located between the first push rod 11 and the second push rod 12, and the upper end of which is rotatably connected to the oscillating member 1, and the main function of which is to make a gap between the middle end of the oscillating member 1 and the rf assembly.
The displacement assembly is arranged above the radio frequency assembly, and the telescopic end of the displacement assembly is connected with the first end or the second end of the swinging piece 1 and drives the first end of the swinging piece 1 to move up or down;
the displacement assembly is fixedly arranged and can be an independent structure connected with the radio frequency assembly, and the displacement assembly and the radio frequency assembly can also form a coaxial switch together in an integral structure.
Through the up-and-down movement of the telescopic end of the displacement assembly, the swinging piece 1 is driven to rotate along the upper end of the supporting and connecting piece 9, so that the swinging piece 1 can be in two states:
when the displacement assembly is in the first state, the first end of the swinging member 1 moves downwards and drives the first push rod 11 to move downwards, and at the moment, the first guide plate 13 is communicated with the first radio frequency output socket and the radio frequency input socket to realize communication.
When the displacement assembly is in the second state, the second end of the swinging member 1 moves downwards and drives the second push rod 12 to move downwards, and at the moment, the second guide plate is communicated with the second radio frequency output socket and the radio frequency input socket to realize communication.
When the assembly is in the first state, the first guide plate 13 is in communication with the first rf output socket and the rf input socket, and the first guide plate is not in communication with the second rf output socket and the rf input socket.
When the assembly is in the second state, the first guide plate 13 is in communication with the first rf output socket and the rf input socket, and the second guide plate is in communication with the second rf output socket and the rf input socket.
Example two
The present embodiment explains the displacement assembly including the stator 4, the permanent magnet 5, the excitation coil 3, and the drive shaft 2.
The stator 4 is connected with the radio frequency assembly, and a straight hole perpendicular to the radio frequency assembly is formed in the middle of the stator 4; the stator 4 may be fixedly connected to the housing of the rf assembly or may be connected to the housing of the entire coaxial switch, which only needs to be able to ensure that it does not move with respect to the rf assembly.
The permanent magnet 5 is fixedly connected with the middle part of the stator 4, the permanent magnet 5 is fixed at the middle part of the stator 4, and when the exciting coil 3 is not electrified, magnetic force is applied to the driving shaft 2.
The exciting coil 3 is wound on the stator 4 and is positioned above and below the permanent magnet 5, the exciting coil 3 is an enameled wire wound by N turns around the stator 4360 degrees, and the end of the exciting coil 3 is respectively and electrically connected with a power line and a control circuit.
The upper end of the driving shaft 2 is arranged in the straight hole and is connected with the stator 4 in a sliding way, and the lower end of the driving shaft 2 is connected with the swinging piece 1.
When the radio frequency coaxial switch is powered on, the excitation coil 3 on one side generates magnetic field force through current to drive the driving shaft 2 to move vertically upwards (downwards), one end of the swinging piece 1 is pulled to move upwards (downwards), at the moment, one port forms a port open circuit state, and the other port forms a loop.
When the control circuit feeds back information and the exciting coil 3 on the other side generates reverse magnetic field force through current, the reverse magnetic field force can drive the driving shaft 2 to generate vertical downward (upward) movement, one end of the swinging piece 1 is pulled to move downward (upward), at the moment, one port forms a port loop, and the other side forms an open circuit.
EXAMPLE III
The present embodiment describes a specific structure of the stator 4, and the stator 4 includes an upper shaft section, a middle section, and a lower shaft section, and the upper shaft section, the middle section, and the lower shaft section are all coaxially disposed.
The upper side surface of the middle section is fixedly connected with the lower end of the upper shaft section, a plurality of mounting holes along the radius direction of the middle section are formed in the circumference of the middle section, a plurality of permanent magnets 5 are fixedly arranged in the mounting holes, and the upper end of the lower shaft section is fixedly connected with the lower side surface of the middle section;
by providing the plurality of permanent magnets 5 in the intermediate section, the magnetic induction lines of the excitation coil 3 can be made to act on the drive shaft 2 without energizing the drive shaft 2, so that the drive shaft 2 can have a certain magnetic force. Thus, the drive shaft 2 is of magnetically conductive material.
The diameter of the upper shaft section and the diameter of the lower shaft section are both smaller than the diameter of the middle section, and the exciting coil 3 is wound on the upper shaft section and the lower shaft section.
In order to avoid interference of the permanent magnet 5 with the excitation coil 3, the diameter of the middle section is set larger than the diameters of the upper and lower shaft sections, and the diameter of the upper shaft section is equal to the diameter of the lower shaft section.
Since the oscillating member 1 rotates with the locus of motion of both ends being arc-shaped, if the lower end of the drive shaft 2 is fixedly connected to the oscillating member 1, large radial stress occurs, which may cause damage to the drive mechanism, and thus. The lower end of the driving shaft 2 is connected with the swinging piece 1 through a slidable connecting piece;
a kidney-shaped groove is arranged at the connecting end of the swinging piece 1 and the driving shaft 2, and the long axis direction of the kidney-shaped groove is parallel to the connecting line between the first end and the second end of the swinging piece 1;
the slidable connecting piece comprises a shaft core 8, the shaft core 8 is vertically and fixedly connected with the lower end of the driving shaft 2, the shaft core 8 is perpendicular to a connecting line between the first end and the second end of the swinging piece 1, and at least one end of the shaft core 8 is arranged in the kidney-shaped groove and is slidably connected with the kidney-shaped groove.
One end of the shaft core 8 is arranged in the kidney-shaped hole so that the shaft core 8 can slide in the kidney-shaped hole when the swinging member 1 rotates, and the sliding direction is the long axis direction thereof, taking the orientation shown in fig. 1 as an example, the first end of the swinging member 1 is the left end and the second end of the swinging member 1 is the right end.
When the swinging member 1 is in the horizontal state, the shaft core 8 is located at the left end of the kidney-shaped hole. When the swinging member 1 is in a non-horizontal state, the shaft core 8 is located at the right end of the kidney-shaped hole.
And as can be seen from the figure, the waist-shaped hole can be communicated with the end faces of the two ends of the swinging piece 1, so that the shaft core 8 can be conveniently detached.
The number of the displacement assemblies is one, and the displacement assemblies can be arranged above the first end of the swinging member 1 and drive the first end of the swinging member 1 to move up and down, and can also be arranged above the second end of the swinging member 1 and drive the second end of the swinging member 1 to move up and down, so that two embodiments are provided below, and the description is directed to the two cases.
Example four
The present embodiment is a structure when the displacement assembly is connected to the first end of the swing assembly.
The kidney-shaped groove comprises a first kidney-shaped groove and a second kidney-shaped groove;
the pendulum 1 comprises a body, a first riser and a second riser.
The middle end of the main body is rotatably connected with a supporting connecting piece 9;
the first end of the first vertical plate is fixedly connected with the first end of the main body, and a first kidney-shaped groove is formed in the first vertical plate;
the second vertical plate is arranged in parallel with the first vertical plate, the first end of the second vertical plate is fixedly connected with the first end of the main body, and a second kidney-shaped groove is formed in the second vertical plate;
from last down seeing, Y type structure is constituteed to main part, first riser and second riser, and axle core 8 sets up between two risers, the stability of being convenient for connect.
Two ends of the shaft core 8 are respectively arranged in the first kidney-shaped groove and the second kidney-shaped groove, and the lower end of the driving shaft 2 is arranged between the first vertical plate and the second vertical plate.
EXAMPLE five
The present embodiment is a structure when the displacement assembly is connected to the first end of the swing assembly.
The kidney-shaped groove comprises a first kidney-shaped groove and a second kidney-shaped groove;
the pendulum 1 comprises a body, a first riser and a second riser.
The middle end of the main body is rotatably connected with a supporting connecting piece 9;
the second end of the first vertical plate is fixedly connected with the second end of the main body, and a first kidney-shaped groove is formed in the first vertical plate;
the second vertical plate is arranged in parallel with the first vertical plate, the second end of the second vertical plate is fixedly connected with the second end of the main body, and a second kidney-shaped groove is formed in the second vertical plate;
two ends of the shaft core 8 are respectively arranged in the first kidney-shaped groove and the second kidney-shaped groove, and the lower end of the driving shaft 2 is arranged between the first vertical plate and the second vertical plate.
From last down seeing, Y type structure is constituteed to main part, first riser and second riser, and axle core 8 sets up between two risers, the stability of being convenient for connect.
EXAMPLE six
In order to reduce the friction between the shaft core 8 and the oscillating piece 1, the slidable connecting piece comprises a shaft sleeve and an insulating sheet, the shaft sleeve is sleeved at two ends of the shaft core 8 and is rotatably connected with the shaft core 8, and the shaft sleeve is slidably connected with the kidney-shaped groove.
The insulating piece sets up between drive shaft 2 and swinging member 1, has avoided electric continuity between drive shaft 2 and the swinging member 1 promptly, also can avoid producing the friction between drive shaft 2 and first riser and the second riser through the insulating piece.
Through axle core 8 and axle sleeve clearance fit, frictional force is less, and the insulating piece of both sides is non-metallic material, greatly reduced axle core 8 coefficient of dynamic friction, improved the reliability and the life of product.
EXAMPLE seven
In practical use, the distance between the first push rod 11 and the second push rod 12 may be large, and if the driving mechanism is arranged right above the first push rod 11, the center of gravity of the whole coaxial switch may deviate too much, thereby causing unstable center, and therefore the swinging member 1 further comprises the extension plate 7.
The extension plate 7 is fixedly connected with the lower side surface of the main body, the first end of the extension plate 7 is attached to the first push rod 11, the second end of the extension plate 7 is attached to the second push rod 12, and the length of the extension plate 7 is larger than that of the main body;
when the extension plate 7 is parallel to the upper side of the radio frequency assembly, the midpoint of the extension plate 7 is located directly below the midpoint of the body.
Through extension plate 7 of below installation at the main part of swinging member 1, can set up actuating mechanism in the position department that is close to coaxial switch axis to reciprocate through driving swinging member 1 main part, thereby drive swinging member 1 extension plate 7 and reciprocate, realize the function of switching the radio frequency channel of radio frequency subassembly through extension plate 7 and the contact of first push rod 11 and second push rod 12 finally.
Example eight
The present embodiment provides a microwave coaxial switch, including the above-mentioned driving mechanism of the microwave coaxial switch.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the invention. It will be apparent to those skilled in the art that other variations or modifications may be made on the above invention and still be within the scope of the invention.
Claims (8)
1. A drive mechanism for a microwave coaxial switch, comprising:
the swinging piece is provided with a first end and a second end, the position of the swinging piece relative to the radio frequency assembly of the coaxial switch is set to be an upper position, the first end of the swinging piece is arranged above a first push rod of the radio frequency assembly, and the second end of the swinging piece is arranged above a second push rod of the radio frequency assembly;
the supporting connecting piece is fixedly arranged between the first push rod and the second push rod, and the middle end of the swinging piece is rotatably connected with the supporting connecting piece;
the displacement assembly is arranged above the radio frequency assembly, and the telescopic end of the displacement assembly is connected with the first end or the second end of the swinging piece and drives the first end of the swinging piece to move upwards or downwards;
when the displacement assembly is in a first state, the first end of the swinging piece moves downwards and drives the first push rod to move downwards;
when the displacement assembly is in a second state, the second end of the swinging piece moves downwards and drives the second push rod to move downwards;
the displacement assembly includes:
the stator is connected with the radio frequency assembly, and a straight hole perpendicular to the radio frequency assembly is formed in the middle of the stator;
the permanent magnet is fixedly connected with the middle part of the stator;
excitation coils wound on the stator and located above and below the permanent magnets;
the upper end of the driving shaft is arranged in the straight hole and is connected with the stator in a sliding way, and the lower end of the driving shaft is connected with the swinging piece;
the stator includes:
an upper shaft section;
the upper side surface of the middle section is fixedly connected with the lower end of the upper shaft section, a plurality of mounting holes are formed in the circumference of the middle section along the radius direction of the middle section, and a plurality of permanent magnets are fixedly arranged in the mounting holes;
the upper end of the lower shaft section is fixedly connected with the lower side surface of the middle section;
wherein the diameter of the upper shaft section and the diameter of the lower shaft section are both smaller than the diameter of the middle section, and the excitation coil is wound on the upper shaft section and the lower shaft section.
2. The driving mechanism of a microwave coaxial switch according to claim 1, wherein the ends of the exciting coil are electrically connected with a power line and a control circuit respectively.
3. A driving mechanism of a microwave coaxial switch according to claim 1, wherein the lower end of the driving shaft is connected with the oscillating member through a slidable connecting member;
a waist-shaped groove is formed in the connecting end of the swinging piece and the driving shaft, and the long axis direction of the waist-shaped groove is parallel to the connecting line between the first end and the second end of the swinging piece;
the slidable connector includes:
the shaft core is vertically and fixedly connected with the lower end of the driving shaft, and the shaft core is vertical to a connecting line between the first end and the second end of the swinging piece;
at least one end of the shaft core is arranged in the kidney-shaped groove and is connected with the kidney-shaped groove in a sliding mode.
4. A microwave coaxial switch actuating mechanism according to claim 3, wherein the kidney slot comprises a first kidney slot and a second kidney slot;
when the displacement assembly is coupled to the first end of the oscillating member, the oscillating member comprises:
a main body, wherein the middle end of the main body is rotatably connected with the supporting connecting piece;
a first end of the first vertical plate is fixedly connected with a first end of the main body, and the first vertical plate is provided with the first kidney-shaped groove;
the second vertical plate is parallel to the first vertical plate, the first end of the second vertical plate is fixedly connected with the first end of the main body, and the second vertical plate is provided with the second kidney-shaped groove;
the both ends of axle core set up respectively first kidney slot with in the second kidney slot, the lower extreme setting of drive shaft is in first vertical plate with between the second riser.
5. A microwave coaxial switch actuating mechanism according to claim 4, wherein the kidney slot comprises a first kidney slot and a second kidney slot;
when the displacement assembly is coupled to the second end of the oscillating member, the oscillating member comprises:
a main body, wherein the middle end of the main body is rotatably connected with the supporting connecting piece;
a second end of the first vertical plate is fixedly connected with a second end of the main body, and the first vertical plate is provided with the first kidney-shaped groove;
the second vertical plate is parallel to the first vertical plate, a second end of the second vertical plate is fixedly connected with a second end of the main body, and the second vertical plate is provided with the second kidney-shaped groove;
the both ends of axle core set up respectively first kidney slot with in the second kidney slot, the lower extreme setting of drive shaft is in first vertical plate with between the second riser.
6. A drive mechanism for a microwave coaxial switch according to claim 3, 4 or 5, wherein the slidable coupling further comprises:
the shaft sleeves are sleeved at two ends of the shaft core and are rotatably connected with the shaft core, and the shaft sleeves are slidably connected with the kidney-shaped grooves;
an insulation sheet disposed between the drive shaft and the oscillating member.
7. A drive mechanism for a microwave coaxial switch according to claim 4 or 5, wherein the oscillating member further comprises:
the extension plate is fixedly connected with the lower side surface of the main body, the first end of the extension plate is attached to the first push rod, and the second end of the extension plate is attached to the second push rod;
the length of the extension plate is greater than that of the main body;
when the extension plate is parallel to the upper side of the radio frequency assembly, the midpoint of the extension plate is located directly below the midpoint of the main body.
8. Microwave coaxial switch, characterized in that it comprises a drive mechanism for a microwave coaxial switch according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110896541.7A CN113571850B (en) | 2021-08-05 | 2021-08-05 | Driving mechanism of microwave coaxial switch and coaxial switch comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110896541.7A CN113571850B (en) | 2021-08-05 | 2021-08-05 | Driving mechanism of microwave coaxial switch and coaxial switch comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113571850A CN113571850A (en) | 2021-10-29 |
| CN113571850B true CN113571850B (en) | 2022-03-25 |
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| CN202110896541.7A Active CN113571850B (en) | 2021-08-05 | 2021-08-05 | Driving mechanism of microwave coaxial switch and coaxial switch comprising same |
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| CN (1) | CN113571850B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5471183A (en) * | 1993-03-31 | 1995-11-28 | Teldix Gmbh | Coaxial switch |
| CN213150641U (en) * | 2020-09-14 | 2021-05-07 | 苏州磁明科技有限公司 | Piezoelectric driving coaxial switch |
| CN112909451A (en) * | 2021-01-11 | 2021-06-04 | 陕西索飞电子科技有限公司 | Manual-automatic integrated waveguide microwave switch structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5281936A (en) * | 1992-06-01 | 1994-01-25 | Teledyne Industries, Inc. | Microwave switch |
| CN201038285Y (en) * | 2007-03-29 | 2008-03-19 | 西安航天恒星科技实业(集团)公司 | Mechanical type coaxial microwave switch |
| US20190348732A1 (en) * | 2018-05-11 | 2019-11-14 | Victor H. Nelson | Non-contact type coaxial switch |
| CN108682570A (en) * | 2018-05-23 | 2018-10-19 | 中国电子科技集团公司第四十研究所 | A kind of coaxial switch open type transmission mechanism and hilted broadsword ten throw RF coaxial switch |
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2021
- 2021-08-05 CN CN202110896541.7A patent/CN113571850B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5471183A (en) * | 1993-03-31 | 1995-11-28 | Teldix Gmbh | Coaxial switch |
| CN213150641U (en) * | 2020-09-14 | 2021-05-07 | 苏州磁明科技有限公司 | Piezoelectric driving coaxial switch |
| CN112909451A (en) * | 2021-01-11 | 2021-06-04 | 陕西索飞电子科技有限公司 | Manual-automatic integrated waveguide microwave switch structure |
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| CN113571850A (en) | 2021-10-29 |
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