CN216288877U - Electromagnetic driving device and self-reset microwave switch - Google Patents
Electromagnetic driving device and self-reset microwave switch Download PDFInfo
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- CN216288877U CN216288877U CN202122890674.1U CN202122890674U CN216288877U CN 216288877 U CN216288877 U CN 216288877U CN 202122890674 U CN202122890674 U CN 202122890674U CN 216288877 U CN216288877 U CN 216288877U
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Abstract
The utility model relates to the technical field of microwave switches, and discloses an electromagnetic driving device and a self-resetting microwave switch, wherein the electromagnetic driving device comprises a coil rack, a coil, a spring, an upper static iron core, a lower movable iron core, a sliding rod and a bracket; in addition, the corresponding microwave switch channel is still in a conducting state when the electromagnetic driving device is not connected to be excited through the elasticity of the spring, so that the energy consumption is reduced.
Description
Technical Field
The utility model relates to the technical field of microwave switches, in particular to an electromagnetic driving device and a self-resetting microwave switch.
Background
At present, a microwave switch can be used in the field of radio frequency to realize channel switching of radio frequency signals, the microwave switch can be divided into an electromechanical relay microwave switch and a solid-state microwave switch according to different working principles, microwave switch channels in the existing electromechanical solenoid relay microwave switch are all disconnected when not powered on, and the switching-on and switching-off of other microwave switch channels of a certain microwave switch channel can not be realized in a power failure state.
SUMMERY OF THE UTILITY MODEL
In view of the shortcomings of the background art, the utility model provides an electromagnetic driving device and a self-resetting microwave switch, wherein a microwave switch channel in a conducting state and a microwave switch channel in a disconnecting state exist in the self-resetting microwave switch in a power-down state.
In order to solve the technical problems, the utility model provides an electromagnetic driving device in a first aspect, which comprises a coil frame, a coil, a spring, an upper static iron core, a lower moving iron core, a sliding rod and a support, wherein the coil is sleeved on the coil frame, a channel is arranged in the coil frame, the upper static iron core is arranged at the upper part of the channel, the support is arranged at the lower port of the channel, the lower moving iron core is arranged in the channel, the lower moving iron core is positioned between the support and the upper static iron core, the lower moving iron core is connected with the sliding rod, the sliding rod penetrates through the support, blocking parts are respectively arranged on the upper static iron core and the lower moving iron core, the spring is sleeved on the upper static iron core and the lower moving iron core, and two ends of the spring respectively abut against the blocking parts of the upper static iron core and the lower moving iron core.
In a certain embodiment of the first aspect, opposite ends of the upper stationary core and the lower movable core are stepped, and two ends of the spring respectively abut against a step surface of the upper stationary core and a step surface of the lower movable core.
In one embodiment of the first aspect, the present invention further includes a lower yoke and an upper yoke, the lower yoke and the upper yoke are connected by a magnetically conductive support rod, the bracket is mounted on the lower yoke, and the coil is located between the upper yoke and the lower yoke.
The working principle of the electromagnetic driving device of the utility model is as follows: when the coil is not connected to excitation, the lower movable iron core moves downwards under the action of the spring, and when the slide bar is connected with a connecting piece for driving the microwave switch channel of the microwave switch to be switched on or switched off, the slide bar moves downwards to drive the corresponding microwave switch channel to be switched on; when the coil is connected into an excitation to generate a magnetic field, attraction force can be generated between the upper static iron core and the lower movable iron core, the attraction force overcomes the elastic force of the spring to drive the lower movable iron core to move upwards, and then the connecting piece connected with the sliding rod is driven to move upwards, so that the corresponding microwave switch channel is disconnected.
In a second aspect, the utility model further provides a self-resetting microwave switch, and the electromagnetic driving device comprises a base, wherein two microwave switch channels are arranged on the base, a first connecting piece and a second connecting piece are arranged in the base, the first connecting piece is connected with a first push rod, the second connecting piece is connected with a second push rod, the electromagnetic driving device is installed at the top of the base, a first installation hole is formed in the area of the first connecting piece, and a second installation hole is formed in the area of the second connecting piece; the upper end of the first push rod is positioned in the first mounting hole, a slide rod of the electromagnetic driving device is connected with the first push rod, and the upper end of the second push rod is positioned in the second mounting hole; the first push rod is sleeved with a first spring, and two ends of the first spring respectively abut against the upper end of the first push rod and the bottom surface of the first mounting hole; the second push rod is sleeved with a second spring, and two ends of the second spring respectively abut against the upper end of the second push rod and the bottom surface of the second mounting hole;
a second driving device is arranged at the second mounting hole on the top of the base; the second driving device comprises a second sliding rod, a coil assembly, an upper movable iron core and a lower static iron core, wherein the upper movable iron core and the lower static iron core are positioned in the coil assembly, the upper movable iron core is connected with the second sliding rod, and the second sliding rod penetrates through the lower static iron core and is connected with the second push rod.
The working principle of the self-resetting microwave switch is as follows: when the electromagnetic driving device and the second driving device are not connected to be excited, the electromagnetic driving device drives the first connecting piece to enable the corresponding microwave switch channel to be conducted, and the second driving device enables the second connecting piece to be lifted up due to the elastic force of the second spring so as to enable the corresponding microwave switch channel to be disconnected; when the electromagnetic driving device and the second driving device are both connected to be excited, the electromagnetic driving device can drive the first connecting piece to move upwards, so that the corresponding microwave switch channel is disconnected, the lower static iron core of the second driving device can attract the upper movable iron core to move downwards, and then the second connecting piece is driven to move downwards, so that the corresponding microwave switch channel is switched on.
Compared with the prior art, the utility model has the beneficial effects that: in practical use, when the electromagnetic driving device and the second driving device of the self-resetting microwave switch are connected with excitation or not connected with excitation, one microwave switch channel is driven to be connected and one microwave switch channel is driven to be disconnected, so that the self-resetting microwave switch can be applied to more scenes; in addition, the corresponding microwave switch channel is still in a conducting state when the electromagnetic driving device is not connected to be excited through the elasticity of the spring, so that the energy consumption is reduced; and finally, the electromagnetic driving device adopts a solenoid structure, a magnetic circuit with good sealing performance is formed among the upper yoke iron, the movable iron core, the static iron core and the lower yoke iron, the magnetic energy utilization rate is high, and the magnetic leakage is smaller.
Drawings
FIG. 1 is a schematic structural view of a second driving device of the electromagnetic driving device in the embodiment;
fig. 2 is a schematic structural diagram of a self-resetting microwave switch in an embodiment.
In the figure: 1. coil former, 2, coil, 3, go up quiet iron core, 4, move iron core down, 5, slide bar, 6, spring, 7, support, 8, down choke, 9, go up choke, 10, magnetic conductivity bracing piece, 11, coil pack, 12, move the iron core on, 13 second slide bar, 14, quiet iron core down, 15, first mounting hole, 16, second mounting hole, 17, first connecting piece, 18, first push rod, 19, second connecting piece, 20, second push rod, 21, base.
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 fig. 1, an electromagnetic driving device, including coil former 1, coil 2, spring 6, go up quiet iron core 3, move iron core 4 down, slide bar 5 and support 6, coil 2 cover is on coil former 1, be equipped with the passageway in the coil former 1, go up quiet iron core 3 and install the upper portion at the passageway, support 7 is installed at the lower port department of passageway, it installs in the passageway to move iron 4 core down, it is located between support 7 and the last quiet iron core 3 to move iron core 4 down, it is connected with slide bar 5 to move iron core 4 down, slide bar 5 passes support 7, it is equipped with the stop part respectively on quiet iron core 3 and the lower iron core 4 to go up, spring 6 overlaps on quiet iron core 3 and the lower iron core 4 that moves, the stop part of quiet iron core 3 and the stop part 4 of moving the iron core down are respectively gone up at the both ends of spring 6.
Specifically, in this embodiment, the opposite ends of the upper stationary core 3 and the lower movable core 4 are stepped, and the two ends of the spring 6 respectively abut against the step surface of the upper stationary core 3 and the step surface of the lower movable core 4. In actual use, since the upper stationary core 3 is stationary, the spring 6 pushes the lower movable core 4 to move downward without external force. In one embodiment, the protrusions may be disposed on the outer walls of the upper stationary core 3 and the lower movable core 4 to serve as blocking portions, and the protrusions may be disposed around the upper stationary core 3 and the lower movable core 4 in a circular ring shape.
Specifically, in this embodiment, the present invention further includes a lower yoke 8 and an upper yoke 9, the lower yoke 8 and the upper yoke 9 are connected by a magnetic conductive support rod 10, the bracket 7 is mounted on the lower yoke 8, and the coil 2 is located between the upper yoke 9 and the lower yoke 8. The coil rack 1 and the coil 2 are of solenoid structures, a magnetic circuit with good sealing performance is formed among the upper choke 9, the lower movable iron core 4, the upper static iron core 3 and the lower choke 8, the magnetic energy utilization rate is high, and the magnetic flux leakage is smaller.
The working principle of the electromagnetic driving device of the utility model is as follows: when the coil 2 is not connected to excitation, the lower movable iron core 4 moves downwards under the action of the spring 6, and when the sliding rod 5 is connected with a connecting piece for driving the microwave switch channel of the microwave switch to be switched on or switched off, the sliding rod 5 moves downwards to drive the corresponding microwave switch channel to be switched on; when the coil 2 is connected into an excitation to generate a magnetic field, attraction force can be generated between the upper static iron core 3 and the lower movable iron core 4, the attraction force overcomes the elastic force of the spring 6 to drive the lower movable iron core 4 to move upwards, and then the connecting piece connected with the sliding rod 5 is driven to move upwards, so that the corresponding microwave switch channel is disconnected.
In addition, in actual use, a plurality of electromagnetic driving devices can be arranged on the lower yoke 8 and the upper yoke 9 according to the installation mode of the electromagnetic driving device on the lower yoke 8 and the upper yoke 9 in fig. 1, so that a plurality of connecting pieces can be driven to move downwards or upwards at the same time.
As shown in fig. 2, the self-resetting microwave switch using the electromagnetic driving device includes a base 21, two microwave switch channels are provided on the base 21, a first connecting piece 17 and a second connecting piece 19 are provided in the base 21, the first connecting piece 17 is connected with a first push rod 18, the second connecting piece 19 is connected with a second push rod 20, the electromagnetic driving device is installed on the top of the base 21, the top of the base 21 is provided with a first installation hole 15 in the area of the first connecting piece, and a second installation hole 16 in the area of the second connecting piece 19; the upper end of a first push rod 18 is positioned in the first mounting hole 15, a slide rod 5 of the electromagnetic driving device is connected with the first push rod 18, and the upper end of a second push rod 20 is positioned in the second mounting hole 16; the first push rod 18 is sleeved with a first spring, and two ends of the first spring respectively abut against the upper end of the first push rod 18 and the bottom surface of the first mounting hole 15; a second spring is sleeved on the second push rod 20, and two ends of the second spring respectively abut against the upper end of the second push rod 20 and the bottom surface of the second mounting hole 16; it should be noted that although the first spring and the second spring are not shown in fig. 2, those skilled in the art can appreciate from the above description that the first spring applies an upward pushing force to the first push rod 18 and the second spring applies an upward pushing force to the second push rod 20.
A second driving device is arranged at the second mounting hole 16 on the top of the base 21; referring to fig. 1, the second driving device includes a second sliding rod 13, a coil assembly 11, and an upper movable iron core 12 and a lower stationary iron core 14 located in the coil assembly 11, the coil assembly 11 is also in a solenoid structure, the upper movable iron core 12 is connected to the second sliding rod 13, and the second sliding rod 13 passes through the lower stationary iron core 14 and is connected to a second push rod 20.
In fig. 2, the second driving device is also fixed to the upper and lower yokes 9 and 8, and a magnetic circuit with good sealing performance is formed among the upper and lower yokes 9, 12, 14, and 8, so that the magnetic energy utilization rate is high and the magnetic flux leakage is smaller.
The working principle of the self-resetting microwave switch is as follows: when the electromagnetic driving device and the second driving device are not connected to the excitation, the electromagnetic driving device drives the first connecting piece 15 to enable the corresponding microwave switch channel to be conducted, and the second driving device enables the second connecting piece 20 to be lifted up due to the elastic force of the second spring so as to enable the corresponding microwave switch channel to be disconnected; when the electromagnetic driving device and the second driving device are both excited, the electromagnetic driving device drives the first connecting piece 17 to move upwards, so that the corresponding microwave switch channel is switched off, the lower static iron core 14 of the second driving device attracts the upper movable iron core 12 to move downwards, and then the second connecting piece 19 is driven to move downwards, so that the corresponding microwave switch channel is switched on.
In summary, in practical use, when the electromagnetic driving device and the second driving device of the self-resetting microwave switch are switched in and out of excitation, one microwave switch channel is switched on and the other microwave switch channel is switched off, so that the self-resetting microwave switch can be applied to more scenes; in addition, the corresponding microwave switch channel is still in a conducting state when the electromagnetic driving device is not connected to be excited through the elasticity of the spring 6, so that the energy consumption is reduced; and finally, the electromagnetic driving device adopts a solenoid structure, a magnetic circuit with good sealing performance is formed among the upper choke 9, the movable iron core, the static iron core and the lower choke 8, the magnetic energy utilization rate is high, and the magnetic flux leakage is smaller.
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 (4)
1. The utility model provides an electromagnetic driving device, its characterized in that includes coil former, coil, spring, goes up quiet iron core, moves iron core, slide bar and support down, the coil housing is in on the coil former, be equipped with the passageway in the coil former, it installs to go up quiet iron core the upper portion of passageway, the support mounting is in the lower port department of passageway, it installs to move the iron core down in the passageway, it is located down to move the iron core between support and the last quiet iron core, move down the iron core with the slide bar is connected, the slide bar passes the support, go up quiet iron core and move down and be equipped with the stop part on the iron core respectively, the spring housing is in go up quiet iron core and move down on the iron core, the both ends of spring support respectively the stop part of last quiet iron core and the stop part of moving the iron core down.
2. The electromagnetic driving device according to claim 1, wherein the opposite ends of the upper stationary core and the lower movable core are stepped, and the two ends of the spring respectively abut against the step surface of the upper stationary core and the step surface of the lower movable core.
3. An electromagnetic drive as claimed in claim 1, further comprising a lower yoke and an upper yoke, said lower yoke and said upper yoke being connected by a magnetically conductive support bar, said frame being mounted on said lower yoke, said coil being located between said upper yoke and said lower yoke.
4. A self-reset microwave switch comprises a base, wherein two microwave switch channels are arranged on the base, a first connecting piece and a second connecting piece are arranged in the base, the first connecting piece is connected with a first push rod, and the second connecting piece is connected with a second push rod; the upper end of the first push rod is positioned in the first mounting hole, a slide rod of the electromagnetic driving device is connected with the first push rod, and the upper end of the second push rod is positioned in the second mounting hole; the first push rod is sleeved with a first spring, and two ends of the first spring respectively abut against the upper end of the first push rod and the bottom surface of the first mounting hole; the second push rod is sleeved with a second spring, and two ends of the second spring respectively abut against the upper end of the second push rod and the bottom surface of the second mounting hole;
a second driving device is arranged at the second mounting hole on the top of the base; the second driving device comprises a second sliding rod, a coil assembly, an upper movable iron core and a lower static iron core, wherein the upper movable iron core and the lower static iron core are positioned in the coil assembly, the upper movable iron core is connected with the second sliding rod, and the second sliding rod penetrates through the lower static iron core and is connected with the second push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122890674.1U CN216288877U (en) | 2021-11-23 | 2021-11-23 | Electromagnetic driving device and self-reset microwave switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122890674.1U CN216288877U (en) | 2021-11-23 | 2021-11-23 | Electromagnetic driving device and self-reset microwave switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216288877U true CN216288877U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122890674.1U Active CN216288877U (en) | 2021-11-23 | 2021-11-23 | Electromagnetic driving device and self-reset microwave switch |
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| Country | Link |
|---|---|
| CN (1) | CN216288877U (en) |
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2021
- 2021-11-23 CN CN202122890674.1U patent/CN216288877U/en active Active
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