CN215184458U - Electromagnetic driving device and microwave switch - Google Patents
Electromagnetic driving device and microwave switch Download PDFInfo
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- CN215184458U CN215184458U CN202121556743.9U CN202121556743U CN215184458U CN 215184458 U CN215184458 U CN 215184458U CN 202121556743 U CN202121556743 U CN 202121556743U CN 215184458 U CN215184458 U CN 215184458U
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Abstract
The utility model relates to a microwave switch technical field discloses an electromagnetic drive device and microwave switch, and the electromagnetic drive device includes the sleeve, is equipped with the iron core subassembly in the sleeve, and the iron core subassembly includes the movable iron core, sets up the upper quiet iron core above the movable iron core and sets up the lower quiet iron core below the movable iron core; magnetic steel is arranged at the periphery of the movable iron core in the sleeve, and the movable iron core penetrates through the magnetic steel; the upper end of the movable iron core is provided with an upper magnetic isolation gasket and an upper guide rod, the upper guide rod penetrates through the upper static iron core, the lower end of the movable iron core is provided with a lower magnetic isolation gasket and a lower guide rod, the lower guide rod penetrates through the lower static iron core, the upper coil assembly is sleeved on the periphery of the upper static iron core, the lower coil assembly is sleeved on the periphery of the lower static iron core, and when the microwave switch is in actual use, the microwave channel of the microwave switch is kept in a working state without supplying power to the coil all the time, so that the power consumption of the electromagnetic driving device and the microwave switch during use can be reduced.
Description
Technical Field
The utility model relates to a microwave switch technical field, concretely relates to electromagnetic drive device and microwave switch.
Background
Microwave switches are common devices for channel switching in the field of mobile communications. The microwave switch can be divided into an electromechanical switch and a solid-state switch according to the working principle, the electromechanical switch realizes the on-off of a signal channel by the movement of a mechanical part, and the solid-state switch can be divided into two categories of FET and PIN diode according to the difference of the adopted switch components.
The channel switching in the electromechanical switch is mostly realized through the actuation of coil and electro-magnet, namely through producing the magnetic field to coil circular telegram, the magnetic field can actuation electro-magnet reciprocate, when the transmission piece that can carry out signal transmission is installed on the electro-magnet, the electro-magnet reciprocates and can drive the transmission piece and reciprocate, and the transmission piece reciprocates and just can realize switching on or turn-off of communication channel. The electromagnetic driving device of the existing bistable microwave switch is mostly in a seesaw structure, and the structure has the following defects for an open magnetic circuit:
1) the leakage of the magnetic field is large, and the interference to surrounding magnetic sensitive equipment is easy to cause;
2) the magnetic energy utilization rate is low, the volume of the permanent magnet material required for achieving the same holding force or driving force is larger, and the energy consumption of the driving coil is larger;
3) the size is large, and the transverse expansibility structure is adopted, so that the miniaturization of a multi-throw product is not facilitated.
SUMMERY OF THE UTILITY MODEL
In view of the deficiency of the background art, the utility model provides an electromagnetic drive device and microwave switch solves the not enough that current bistable state microwave switch exists in the background art.
For solving the technical problem, the utility model provides a following technical scheme: an electromagnetic driving device and a microwave switch.
In a first aspect, the utility model provides an electromagnetic driving device, which comprises a sleeve, wherein an iron core assembly is arranged in the sleeve, and the iron core assembly comprises a movable iron core, an upper static iron core arranged above the movable iron core and a lower static iron core arranged below the movable iron core; magnetic steel is arranged on the periphery of the movable iron core in the sleeve, and the movable iron core penetrates through the magnetic steel; move the upper end of iron core and be equipped with magnetic spacer and last guide arm, it passes to go up the guide arm go up quiet iron core, the lower extreme that moves the iron core is equipped with down magnetic spacer and lower guide arm, the lower guide arm passes quiet iron core down, go up the peripheral cover of quiet iron core and have last coil pack, the peripheral cover of quiet iron core has down coil pack down.
In one possible implementation of the first aspect, the upper guide rod is embedded in the moving core, the upper guide rod passes through the upper magnetic spacer, the lower guide rod is embedded in the moving core, and the lower guide rod passes through the lower magnetic spacer.
In one possible implementation of the first aspect, the top of the sleeve is provided with an end cap, and the upper guide rod penetrates through the end cap.
In one possible implementation of the first aspect, the upper coil assembly and the lower coil assembly respectively include a bobbin on which the coil is wound, and a coil, the upper guide rod passes through the bobbin of the upper coil assembly, and the lower guide rod passes through the bobbin of the lower coil assembly.
In one possible implementation of the first aspect, a push rod is connected to a bottom of the lower guide rod.
The utility model discloses in, electromagnetic drive's theory of operation as follows:
when the movable iron core is positioned at the upper part, the magnetic steel, the movable iron core, the upper static iron core, the end cover and the sleeve form a main magnetic circuit, and the movable iron core is subjected to upward attraction to keep the movable iron core at the upper position; if the coil in the upper coil component is electrified, the direction of the magnetic field generated by the coil and the magnetic field generated by the magnetic steel are mutually offset, the magnetic steel, the movable iron core, the lower static iron core and the sleeve form a main magnetic circuit, the movable iron core is subjected to downward attraction to move to the lower part, at the moment, the coil is powered off, and the movable iron core is still subjected to downward attraction to keep the movable iron core at the lower part. The same principle applies when the plunger switches from the lower portion to the upper portion.
In a second aspect, the utility model provides a microwave switch uses foretell electromagnetic drive device, still includes base and connecting piece, be equipped with two at least microwave passageways on the base, be equipped with in the base the same with microwave passageway quantity the connecting piece, the connecting piece is used for realizing switching on or breaking off of microwave passageway, and every connecting piece is connected with electromagnetic drive device, electromagnetic drive device's lower guide arm with the connecting piece is connected.
In a possible implementation of the second aspect, two microwave channels are arranged on the base, the two microwave channels include a left accommodating cavity, a middle accommodating cavity and a right accommodating cavity which are arranged at the bottom of the base, connector assemblies which are installed in the left accommodating cavity, the middle accommodating cavity and the right accommodating cavity and a cavity which is arranged at the top of the base, the cavity is respectively communicated with the left accommodating cavity, the middle accommodating cavity and the right accommodating cavity, one end of each connector assembly is located in the cavity, two connecting pieces are arranged in the cavity, two ends of one connecting piece are respectively arranged in an up-and-down corresponding manner with the connector assemblies in the left accommodating cavity and the connector assemblies in the middle accommodating cavity, and two ends of the other connecting piece are respectively arranged in an up-and-down corresponding manner with the connector assemblies in the middle accommodating cavity and the connector assemblies in the right accommodating cavity.
In a possible implementation manner of the second aspect, a cover plate is further disposed on the top of the base, the cover plate covers the cavity, and the two electromagnetic driving devices are respectively mounted on the cover plate.
Compared with the prior art, the utility model beneficial effect who has is:
1: in practical use, if the working state of the microwave switch needs to be changed, the power is not supplied to the coil of the electromagnetic driving device all the time, and only the coil of the electromagnetic driving device needs to be supplied with power for a short time, so that the energy consumption of the microwave switch in practical use is reduced.
2: the magnetic steel and the iron core assembly are positioned in the containing cavity formed by the sleeve and the end cover, so that the magnetic field leakage can be reduced, and the utilization efficiency of magnetic energy is improved.
3: the iron core assembly in the sleeve is longitudinally arranged, so that the transverse area of the electromagnetic driving device is reduced, and the miniaturization design of the microwave switch is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an electromagnetic driving device according to the present invention;
fig. 2 is a schematic structural diagram of the microwave switch of the present invention.
In the figure: 1. the magnetic shield comprises a sleeve, 2, a movable iron core, 3, an upper magnetic isolation gasket, 4, an upper guide rod, 5, a lower magnetic isolation gasket, 6, a lower guide rod, 7, magnetic steel, 8, a coil rack, 9 coils, 10, an end cover, 11, a push rod, 12, a base, 13, a left containing cavity, 14, a middle containing cavity, 15, a right containing cavity, 16, a cavity, 17, a connecting piece, 18, a cover plate, 19, a connector assembly, 20, an upper static iron core, 21 and a lower static iron core.
Detailed Description
Illustrative embodiments of the present application include, but are not limited to, an electromagnetic drive and microwave switch.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
As shown in fig. 1, an electromagnetic driving device includes a sleeve 1, wherein an iron core assembly is arranged in the sleeve 1, and the iron core assembly includes a movable iron core 2, an upper static iron core 20 arranged above the movable iron core 2, and a lower static iron core 21 arranged below the movable iron core 2; a magnetic steel 7 is arranged at the periphery of the movable iron core 2 in the sleeve 1, and the movable iron core 2 penetrates through the magnetic steel 7; the upper end of the movable iron core 2 is provided with an upper magnetic isolation gasket 3 and an upper guide rod 4, the upper guide rod 4 penetrates through the upper static iron core 20, the lower end of the movable iron core 2 is provided with a lower magnetic isolation gasket 5 and a lower guide rod 6, the lower guide rod 6 penetrates through the lower static iron core 21, the periphery of the upper static iron core 20 is sleeved with an upper coil assembly, and the periphery of the lower static iron core is sleeved with a lower coil assembly.
Specifically, in the present embodiment, the upper guide rod 4 is embedded in the movable iron core 2, the upper guide rod 4 passes through the upper magnetic spacer 3, the lower guide rod 6 is embedded in the movable iron core 2, and the lower guide rod 6 passes through the lower magnetic spacer 5. The bottom of the upper stationary core 20 is in contact with the upper surface of the upper magnetic-isolation pad 3, and the top of the lower stationary core 21 is in contact with the lower surface of the lower magnetic-isolation pad 5.
In actual use, because the holding force between the movable iron core 2 and the upper stationary iron core 20 is related to the distance between the movable iron core 2 and the upper stationary iron core 20, the distance between the movable iron core 2 and the upper stationary iron core 20 and the distance between the movable iron core 2 and the lower stationary iron core 21 can be respectively adjusted through the upper magnetic isolation gasket 3 and the lower magnetic isolation gasket 5, and the purpose of controlling the holding force is further achieved.
In this embodiment, the upper guide rod 4 and the lower guide rod 6 are symmetrically arranged at two ends of the movable iron core 2, and the lengths of the upper guide rod 4 and the lower guide rod 6 are the same. In certain embodiments, the length of the upper guide rod 4 may be greater than that of the lower guide rod 6, and the length of the upper guide rod 4 may also be less than that of the lower guide rod 6, which is determined according to actual needs.
Specifically, in the present embodiment, the top of the sleeve 1 is provided with an end cap 10, and the upper guide rod 4 passes through the end cap 10. During the in-service use, can fix a position the iron core subassembly that moves in the sleeve 1, go up coil pack and lower coil pack through end cover 10 on the one hand, prevent to move the position of iron core subassembly, last coil pack and lower coil pack and remove in sleeve 1, on the other hand can prevent that the foreign matter from falling into in the sleeve 1. In addition, the core assembly is positioned in the cavity formed by the sleeve and the end cover, so that the leakage of a magnetic field can be reduced.
Specifically, in the present embodiment, the upper coil assembly and the lower coil assembly respectively include a bobbin 8 and a coil 9, the coil 9 is wound on the bobbin 8, the upper guide rod 4 passes through the bobbin 8 of the upper coil assembly, and the lower guide rod 6 passes through the bobbin 8 of the lower coil assembly.
Specifically, in the present embodiment, a push rod 11 is connected to the bottom of the lower guide bar 6. In actual use, a connecting piece for controlling a microwave channel in the microwave switch can be connected through the push rod 11.
The utility model discloses an electromagnetic drive device's theory of operation as follows: in actual use, the movable iron core 2 has two working states, namely an upper state and a lower state.
When the movable iron core 2 works in the upper state, the movable iron core 2 is positioned at the upper part, the magnetic steel 7, the movable iron core 2, the upper static iron core 20, the end cover 10 and the sleeve 1 form a main magnetic circuit, and the movable iron core 2 is subjected to upward attraction to be kept at the upper position; if the coil 9 in the upper coil component is electrified, the direction of the magnetic field generated by the coil 9 and the magnetic field generated by the magnetic steel 7 are mutually offset, the magnetic steel 7, the movable iron core 2, the lower static iron core 21 and the sleeve 1 form a main magnetic circuit, the movable iron core 2 is subjected to downward attraction to move to the lower part, the working state of the movable iron core 2 is switched from the upper state to the lower state at the moment, and if the coil 9 in the upper coil component is powered off, the movable iron core 2 is still subjected to downward attraction to keep the lower part.
The operation principle of the plunger 2 switching from the lower state to the upper state refers to the above-described principle of switching the upper state to the lower state, except that the coil 9 in the lower coil assembly is energized.
During practical use, the working states of the upper guide rod 4 and the lower guide rod 6 can be changed by supplying power to the coil 9 for a short time, so that the lower guide rod 6 is lifted or lowered, the lifting and lowering of the lower guide rod 6 can drive the push rod 11 to move upwards or downwards, the lifting and lowering of the push rod 11 can drive the connecting piece to lift and lower, the on-off control of a microwave channel can be realized by the mode, the power is not supplied to the coil 9 for a long time, and the energy consumption is reduced.
A microwave switch applies the electromagnetic driving device and further comprises a base 12 and connecting pieces 17, at least two microwave channels are arranged on the base 12, the connecting pieces 17 with the same number as the microwave channels are arranged in the base 12, the connecting pieces 17 are used for achieving connection or disconnection of the microwave channels, each connecting piece is connected with an electromagnetic driving device, and a lower guide rod 6 of each electromagnetic driving device is connected with the connecting piece 17.
As shown in fig. 2, the base of the microwave switch in fig. 2 is provided with two microwave channels, the two microwave channels include a left cavity 13, a middle cavity 14 and a right cavity 15 which are arranged at the bottom of the base 12, a connector assembly 19 which is arranged in the left cavity 13, the middle cavity 14 and the right cavity 15, and a cavity 16 which is arranged at the top of the base 1, the cavity 16 is respectively communicated with the left cavity 13, the middle cavity 14 and the right cavity 15, wherein the connector assembly 19 in the left cavity 13 and the left cavity, the connector assembly 19 in the middle cavity 14 and the middle cavity 14, and the part of the cavity 16 between the left cavity 13 and the middle cavity 14 form a microwave channel, the connector assembly 19 in the middle cavity 14 and the middle cavity 14, the connector assembly 19 in the right cavity 15 and the part of the cavity 16 between the middle cavity 14 and the right cavity 15 form another microwave channel, one end of the connector assembly 19 is located in the cavity 16, two connecting pieces 17 are arranged in the cavity 16, two ends of one connecting piece 17 are respectively arranged corresponding to the connector assembly 19 in the left accommodating cavity 13 and the connector assembly 19 in the middle accommodating cavity 14 up and down, and two ends of the other connecting piece 17 are respectively arranged corresponding to the connector assembly 19 in the middle accommodating cavity 14 and the connector assembly 19 in the right accommodating cavity 15 up and down. Taking the right-side connecting member 17 in fig. 2 as an example, when the electromagnetic driving device drives the connecting member 17 to move downward, two ends of the connecting member 17 are respectively in contact with the connector assembly 19 in the middle accommodating cavity 14 and the connector assembly 19 in the right accommodating cavity 15, at this time, the connector assemblies 19 in the middle accommodating cavity 14 and the middle accommodating cavity 14, the connector assemblies 19 in the right accommodating cavity 15 and the right accommodating cavity 15, and the microwave channel formed by the portion of the cavity 16 between the middle accommodating cavity 14 and the right accommodating cavity 15 are conducted, and when the microwave channel is in a conducting state, if the electromagnetic driving device drives the connecting member 17 to move upward, the microwave channel formed by the connector assemblies 19 in the middle accommodating cavity 14 and the middle accommodating cavity 14, the connector assemblies 19 in the right accommodating cavity 15 and the portion of the cavity 16 between the middle accommodating cavity 14 and the right accommodating cavity 15 is disconnected.
Specifically, in this embodiment, the top of the base 1 is further provided with a cover plate 18, the cover plate 18 covers the cavity 16, and the two electromagnetic driving devices are respectively mounted on the cover plate 18.
In practical use, on the basis of the base 12 shown in fig. 2, a third cavity may be formed in the base 12, a fourth cavity in which a connecting member 17 can be placed is formed between the third cavity and the middle cavity at the top of the base, the fourth cavity is communicated with the cavity, the connector assembly 17 is installed in the third cavity, and the connector assembly 19 in the third cavity, the fourth cavity and the connector assembly 19 in the middle cavity 14 form a new microwave channel.
The utility model provides a microwave switch need not make microwave switch's microwave channel keep at operating condition to the 9 power supplies of coil all the time when in actual use, can reduce the consumption when microwave switch uses.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. 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 (8)
1. An electromagnetic drive device, characterized in that: the iron core assembly comprises a movable iron core, an upper static iron core arranged above the movable iron core and a lower static iron core arranged below the movable iron core; magnetic steel is arranged on the periphery of the movable iron core in the sleeve, and the movable iron core penetrates through the magnetic steel; move the upper end of iron core and be equipped with magnetic spacer and last guide arm, it passes to go up the guide arm go up quiet iron core, the lower extreme that moves the iron core is equipped with down magnetic spacer and lower guide arm, the lower guide arm passes quiet iron core down, go up the peripheral cover of quiet iron core and have last coil pack, the peripheral cover of quiet iron core has down coil pack down.
2. An electromagnetic drive according to claim 1, wherein: the upper guide rod is embedded into the moving iron core, penetrates through the upper magnetic isolation gasket, is embedded into the moving iron core, and penetrates through the lower magnetic isolation gasket.
3. An electromagnetic drive according to claim 1, wherein: an end cover is arranged at the top of the sleeve, and the upper guide rod penetrates through the end cover.
4. An electromagnetic drive according to claim 1, wherein: the upper coil component and the lower coil component respectively comprise a coil rack and a coil, the coil is wound on the coil rack, the upper guide rod penetrates through the coil rack of the upper coil component, and the lower guide rod penetrates through the coil rack of the lower coil component.
5. An electromagnetic drive according to claim 1, wherein: the bottom of the lower guide rod is connected with a push rod.
6. A microwave switch, characterized by: the electromagnetic driving device according to any one of claims 1-5, further comprising a base and a connecting member, wherein at least two microwave channels are disposed on the base, the number of the connecting members in the base is the same as that of the microwave channels, the connecting member is used for conducting or disconnecting the microwave channels, each connecting member is connected to the electromagnetic driving device, and a lower guide rod of the electromagnetic driving device is connected to the connecting member.
7. A microwave switch according to claim 6, characterized in that: the microwave oven is characterized in that the base is provided with two microwave channels, the two microwave channels comprise a left accommodating cavity, a middle accommodating cavity and a right accommodating cavity which are arranged at the bottom of the base, a connector assembly which is arranged in the left accommodating cavity, the middle accommodating cavity and the right accommodating cavity and a cavity which is arranged at the top of the base, the cavity is respectively communicated with the left accommodating cavity, the middle accommodating cavity and the right accommodating cavity, one end of the connector assembly is positioned in the cavity, two connecting pieces are arranged in the cavity, two ends of one connecting piece are respectively arranged in an up-and-down corresponding mode with the connector assembly in the left accommodating cavity and the connector assembly in the middle accommodating cavity, and two ends of the other connecting piece are respectively arranged in an up-and-down corresponding mode with the connector assembly in the middle accommodating cavity and the connector assembly in the right accommodating cavity.
8. A microwave switch according to claim 7, characterized in that: the top of the base is also provided with a cover plate, the cover plate covers the cavity, and the two electromagnetic driving devices are respectively arranged on the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121556743.9U CN215184458U (en) | 2021-07-09 | 2021-07-09 | Electromagnetic driving device and microwave switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121556743.9U CN215184458U (en) | 2021-07-09 | 2021-07-09 | Electromagnetic driving device and microwave switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215184458U true CN215184458U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121556743.9U Active CN215184458U (en) | 2021-07-09 | 2021-07-09 | Electromagnetic driving device and microwave switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215184458U (en) |
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2021
- 2021-07-09 CN CN202121556743.9U patent/CN215184458U/en active Active
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