Miniaturized microwave switch driving device and microwave switch

Abstract

The utility model relates to the technical field of microwave switch driving, and discloses a miniaturized microwave switch driving device and a microwave switch, the driving device comprises an outer shell, and a lower positioning plate, an inner shell and an upper positioning plate are sequentially arranged in a cavity of the outer shell from bottom to top; at least one group of magnets is arranged between the upper positioning plate and the lower positioning plate, the magnets are positioned between the side wall of the outer shell and the side wall of the inner shell, and the two magnets of each group of magnets are oppositely arranged relative to the inner shell; an electromagnetic driving device is mounted on the inner shell; when the driving device is used, the whole structure of the driving device is more compact, and the inner and outer nested yoke structure occupies a smaller area, so that the actual use is facilitated; in addition, when magnetic energy transmission is carried out, transmission is carried out among the magnet, the outer shell, the telescopic part of the electromagnetic driving device and the inner shell, the gap of the whole transmission path is small, magnetic leakage is low, energy is beneficial to high efficiency, and power consumption can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to microwave switch drive technical field, concretely relates to a kind of miniaturized microwave switch drive device and microwave switch. BACKGROUND

[0002] The electromagnetic drive device of existing holding type microwave switch is mostly seesaw structure, the up-down movement of microwave switch radio frequency reed is driven by the reciprocating swing of seesaw, and then the on-off control to microwave opening channel is realized;Among them, the structure diagram of a kind of seesaw structure of existing holding microwave switch is as shown in Figure 1 Including seesaw 4, choke iron 9 and electromagnetic coil assembly 5, electromagnetic coil assembly 5 is installed at the two ends of yoke iron 9, and magnet is between two coil assemblies;When working, the reciprocating swing of seesaw is controlled by electromagnetic coil assembly.

[0003] For the holding type microwave switch of traditional seesaw structure, the following defects exist when actually using:

[0004] First, two groups of coils of microwave switch are placed respectively, and the space is large, and there is the problem of large volume in realizing multi-channel microwave switch;

[0005] Second, the microwave switch of seesaw structure is open magnetic circuit, and the magnetic energy utilization rate is low, the magnetic flux leakage is large, and the surrounding products are easily interfered by magnetism;

[0006] Finally, the magnetic leakage of the structure of existing electromagnetic coil assembly plus lower yoke iron is also high, so that the current needed under the action of the same thrust is larger, and the energy consumption is higher, which is not conducive to energy saving and emission reduction. INVENTION CONTENTS

[0007] In view of the deficiencies of the background art, the utility model provides a kind of miniaturized microwave switch drive device and microwave switch, and the technical problems to be solved are that the volume of the existing microwave switch drive device is large, not conducive to practical application, and the magnetic flux leakage is high and the energy consumption is high.

[0008] To solve the above technical problems, in the first aspect, the utility model provides the following technical scheme: a kind of miniaturized microwave switch drive device, including shell body, the cavity of the shell body is sequentially provided with lower positioning plate, inner shell body and upper positioning plate from bottom to top;The side wall and upper end cover of the shell body constitute outer yoke iron, and the side wall and upper end cover of the inner shell body constitute inner yoke iron;

[0009] At least one group of magnets is provided between the upper positioning plate and the lower positioning plate, and all groups of magnets are located between the side wall of the shell body and the side wall of the inner shell body, and the two magnets of each group of magnets are oppositely arranged about the inner shell body;

[0010] The inner shell is provided with at least one electromagnetic driving device, each of which comprises two groups of coils;

[0011] The stroke of the telescopic part of the electromagnetic driving device is between the bottom surface of the outer shell and the bottom surface of the inner shell, and the telescopic part penetrates through the bottom surface of the outer shell.

[0012] In some embodiments of the first aspect, the outer shell and the inner shell are both cylindrical.

[0013] In some embodiments of the first aspect, the top surface of the outer shell is provided with wire holes for the lead wires of the coils of each electromagnetic driving device.

[0014] In some embodiments of the first aspect, when the inner shell is provided with multiple electromagnetic driving devices, all the electromagnetic driving devices are uniformly distributed around the circumferential direction of the top surface of the inner shell.

[0015] In some embodiments of the first aspect, the inner shell is provided with six electromagnetic driving devices.

[0016] In some embodiments of the first aspect, the magnet is in the shape of a tile, the inner side of the magnet is arranged in abutment with the outer side wall of the inner shell, and the outer side of the magnet is arranged in abutment with the inner side wall of the outer shell.

[0017] In some embodiments of the first aspect, the lower positioning plate and the upper positioning plate are both in the shape of a ring;

[0018] The top surface of the lower positioning plate is provided with a first protrusion in the shape of a ring at the inner ring opening, and the inner shell is located on the first protrusion.

[0019] The top surface of the lower positioning plate is provided with multiple second protrusions along the circumferential direction of the outer ring, and two adjacent second protrusions are used for placing the magnet.

[0020] The bottom surface of the upper positioning plate is provided with a third protrusion in the shape of a ring at the inner ring opening, and the third protrusion is located on the top surface of the inner shell.

[0021] The bottom surface of the upper positioning plate is provided with multiple fourth protrusions along the circumferential direction of the outer ring, and two adjacent fourth protrusions are used for placing the magnet.

[0022] In some embodiments of the first aspect, three groups of magnets are arranged between the upper positioning plate and the lower positioning plate, and six magnets in the three groups of magnets are uniformly distributed along the circumferential direction of the inner shell.

[0023] In some embodiments of the first aspect, the electromagnetic driving device comprises a coil holder, two groups of coils are wound on the coil holder, a telescopic rod is arranged in the coil holder, and the telescopic rod is the telescopic part of the electromagnetic driving device.

[0024] The utility model discloses a microwave switch further provides a microwave switch drive device.

[0025] The utility model has the beneficial effect that compared with prior art: the utility model sets up the inner casing and the outer casing of inside and outside nesting, and the side wall and the upper end cover of outer casing constitute outer yoke iron and the side wall and the upper end cover of inner casing constitute inner yoke iron, and sets up multiple groups of magnet between outer casing and inner casing and installs electromagnetic drive device on inner casing, and the whole structure is more compact, and the yoke iron structure of inside and outside nesting occupies less area, and is beneficial to actual use.

[0026] In addition, when magnetic energy transmission is carried out, the transmission is carried out between the magnet, the outer casing, the telescopic part of the electromagnetic drive device and the inner casing, the gap of the whole transmission path is small, the magnetic leakage is low, the energy is high in efficiency, and the power consumption can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structure diagram of the microwave switch of the existing seesaw structure;

[0028] Figure 2 It is a three-dimensional schematic view of one viewing direction of the utility model in the embodiment;

[0029] Figure 3 It is a three-dimensional schematic view of another viewing direction of the utility model in the embodiment;

[0030] Figure 4 It is an internal cross-sectional schematic view of the utility model in the embodiment;

[0031] Figure 5 It is a three-dimensional schematic view of one viewing direction of the utility model in the embodiment after removing the outer casing;

[0032] Figure 6 It is a three-dimensional schematic view of another viewing direction of the utility model in the embodiment after removing the outer casing;

[0033] Figure 7 It is a three-dimensional schematic view of one viewing direction of the utility model in the embodiment after removing the outer casing, the upper positioning plate, the lower positioning plate and the magnet;

[0034] Figure 8 It is a three-dimensional schematic view of another viewing direction of the utility model in the embodiment after removing the outer casing, the upper positioning plate, the lower positioning plate and the magnet. DETAILED DESCRIPTION

[0035] The utility model will be further explained in detail in combination with the drawings. These drawings are all simplified schematic views, and only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0036] Embodiment one

[0037] As Figures 2-3 shown, a miniaturized microwave switch driving device includes an outer shell 1, referring to Figure 4 , the cavity of the outer shell 1 is sequentially provided with a lower positioning plate 3, an inner shell 2 and an upper positioning plate 4 from bottom to top; the side wall and the upper end cover of the outer shell 1 are outer yokes, and the side wall and the upper end cover of the inner shell 2 are inner yokes;

[0038] At least one group of magnets 6 is arranged between the upper positioning plate 4 and the lower positioning plate 3, and all groups of magnets 6 are located between the side wall of the outer shell 1 and the side wall of the inner shell 2, and the two magnets 6 of each group of magnets 6 are oppositely arranged relative to the inner shell 2;

[0039] At least one electromagnetic driving device 5 is mounted on the inner shell 2, and each electromagnetic driving device 5 includes two groups of coils 51;

[0040] The stroke of the telescopic part of the electromagnetic driving device 5 is located between the bottom surface of the outer shell 1 and the bottom surface of the inner shell 2, and the telescopic part passes through the bottom surface of the outer shell 1.

[0041] In actual use, the inner and outer nested inner shell 2 and outer shell 1 are arranged, the side wall and the upper end cover of the outer shell 1 are arranged as outer yokes, the side wall and the upper end cover of the inner shell 2 are arranged as inner yokes, a plurality of groups of magnets 6 are arranged between the outer shell 1 and the inner shell 2, and the electromagnetic driving device 5 is mounted on the inner shell 2, the whole structure is more compact, and the yoke structure of the inner and outer nested type occupies less area, which is beneficial to actual use.

[0042] In addition, when magnetic energy transmission is performed, the transmission is performed between the magnet 6, the outer shell 1, the telescopic part of the electromagnetic driving device 5 and the inner shell 2, the gap of the whole transmission path is small, the magnetic leakage is low, the energy is high in efficiency, and the power consumption can be reduced.

[0043] Specifically, in the embodiment, the outer shell 1 and the inner shell 2 can be cylindrical. In actual use, the cylindrical outer shell 1 and the inner shell 2 are more space-saving in the rotational symmetry structure.

[0044] In some embodiments, the outer shell 1 and the inner shell 2 can also be arranged in a cuboid shape, but compared with the cylindrical outer shell 1 and the inner shell 2, the area for mounting the magnet 6 between the outer shell 1 and the inner shell 2 in the cuboid shape is less.

[0045] Specifically, in the embodiment, when the plurality of electromagnetic driving devices 5 are installed on the inner shell 2, all the electromagnetic driving devices 5 are uniformly distributed around the circumferential direction of the top surface of the inner shell 2. For example, six electromagnetic driving devices 5 are installed on the inner shell 2; and the six electromagnetic driving devices 5 can control the passage of the six microwave switch passages.

[0046] In some embodiments, the number of electromagnetic driving devices 5 can be adjusted according to actual needs, for example, three electromagnetic driving devices 5, four electromagnetic driving devices 5, five electromagnetic driving devices 5, or more than six electromagnetic driving devices 5 can be provided.

[0047] In addition, referring to Figure 4 In the embodiment, the electromagnetic driving device 5 comprises a coil holder 50, two groups of coils 51 are wound on the coil holder 50, and a telescopic rod 52 is arranged in the coil holder 50, and the telescopic rod 52 is the telescopic part of the electromagnetic driving device 5.

[0048] In actual use, the magnetic field generated when one of the two groups of coils 51 is powered on is used to drive the telescopic rod 52 to move upward, and the magnetic field generated when the other group of coils 51 is powered on is used to drive the telescopic rod 52 to move downward.

[0049] After both groups of coils 51 are powered off, the driving device remains in the state before power off, and under the influence of the magnet 6, the outer shell 1 and the inner shell 2, the telescopic rod 52 is in the telescopic downward position, at this time the actual corresponding microwave switch passage is in the on state, so the microwave switch of the driving device of the utility model is a steady-state microwave switch.

[0050] Specifically, in the embodiment, the magnet 6 is in the shape of a tile, the inner side of the magnet 6 is arranged in abutment with the outer side wall of the inner shell 2, and the outer side of the magnet 6 is arranged in abutment with the inner side wall of the outer shell 1.

[0051] Specifically, in the embodiment, three groups of magnets 6 are arranged between the upper positioning plate 4 and the lower positioning plate 3, and six magnets 6 in the three groups of magnets 6 are uniformly distributed along the circumferential direction of the inner shell 2.

[0052] In some embodiments, two groups of magnets 6 or four groups of magnets 6 can also be arranged between the upper positioning plate 4 and the lower positioning plate 3 according to actual needs, for example, when it is necessary to increase the holding force of the electromagnetic driving device 5, the number of groups of magnets 6 can be increased, and when it is necessary to reduce the holding force of the electromagnetic driving device 5, the number of groups of magnets 6 can be reduced.

[0053] Specifically, in the embodiment, the magnet 6 is fixed in the following manner:

[0054] First, the lower positioning plate 3 and the upper positioning plate 4 are both in the shape of a ring;

[0055] Referring to Figure 4The top surface of the lower positioning plate 3 is provided with a circular first protrusion 30 at the inner ring opening, and the inner shell 2 is located on the first protrusion;

[0056] Referring to Figure 5 and Figure 6 The top surface of the lower positioning plate 3 is provided with a plurality of second protrusions 31 along the circumferential direction of the outer ring, and two adjacent second protrusions 31 are used to place a magnet 6;

[0057] For example, when six magnets 6 are needed, six second protrusions 31 can be provided on the top surface of the lower positioning plate 3;

[0058] Referring to Figure 4 The bottom surface of the upper positioning plate 4 is provided with a circular third protrusion 40 at the inner ring opening, and the third protrusion 40 is located on the top surface of the inner shell 2;

[0059] Referring to Figure 5 and Figure 6 The bottom surface of the upper positioning plate 4 is provided with a plurality of fourth protrusions 41 along the circumferential direction of the outer ring, and two adjacent fourth protrusions 41 are used to place a magnet 6.

[0060] For example, when six magnets 6 are needed, six fourth protrusions 41 can be provided on the top surface of the upper positioning plate 4; wherein the six second protrusions 31 and the six fourth protrusions 41 are arranged one by one in a top-down corresponding manner.

[0061] In actual use, by providing second protrusions 31 on the lower positioning plate 3 and fourth protrusions 41 on the upper positioning plate 4, the magnets 6 can be positioned during installation, thereby improving the installation speed of the magnets 6 and improving the production efficiency.

[0062] Specifically, in the present embodiment, in order to facilitate the lead-out of the leads of the coil 52 on the electromagnetic coil device 5, referring to Figure 2 In the present embodiment, the top surface of the outer shell 1 is provided with a wire hole 11 for the leads of the coil 52 of each electromagnetic drive device 5 to pass through, and referring to Figure 7 The top surface of the inner shell 2 is also provided with a second wire hole 20 for the leads of the coil 52 of each electromagnetic drive device 5 to pass through.

[0063] In addition, referring to Figure 2 In the present embodiment, the top surface of the outer shell 1 is also provided with six first through holes 10, and referring to Figure 3 The bottom surface of the outer shell 1 is also provided with three second through holes 12. In actual use, the first through holes 10 are screw through holes for fixing the drive device on an external device, such as a microwave base of a microwave switch, and the second through holes 12 are also screw through holes for installation and fixation of the drive device.

[0064] In the embodiment, the first mounting hole 42 is arranged on the upper positioning plate 4 at the front side of each fourth protrusion 41, and the second mounting hole 43 is arranged on the upper positioning plate 4 at the corresponding position of at least one magnet 6. Figure 5 and Figure 6 The second mounting hole 43 is arranged on the upper positioning plate 4 at the corresponding position of each of the three magnets 6, and the three second mounting holes 43 are arranged at intervals of 120°.

[0065] In actual use, the first mounting hole 42 and the second mounting hole 43 are screw through holes, which are used for mounting and fixing the upper positioning plate 4.

[0066] In the embodiment, the third mounting hole 32 is arranged on the lower positioning plate 3 at the front side of each second protrusion 31, and the fourth mounting hole 33 is arranged on the lower positioning plate 3 at the corresponding position of at least one magnet 6. Figure 5 and Figure 6 The fourth mounting hole 43 is arranged on the lower positioning plate 3 at the corresponding position of each of the three magnets 6, and the three fourth mounting holes 43 are arranged at intervals of 120°.

[0067] In actual use, the third mounting hole 32 and the fourth mounting hole 33 are screw through holes, which are used for mounting and fixing the lower positioning plate 3.

[0068] Embodiment Two

[0069] The embodiment provides a microwave switch, which comprises the microwave switch driving device in the embodiment one, wherein the number of microwave switch channels in the microwave switch is the same as that of the electromagnetic driving devices 5, and the radio frequency reed in each microwave switch channel is connected with the telescopic part of one electromagnetic driving device 5, and the up-down movement of the telescopic part of the electromagnetic driving device 5 can control the on-off of the corresponding microwave switch channel.

[0070] According to the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and must be determined according to the scope of claims.

Claims

1. A miniaturized microwave switch drive device, characterized by, The outer shell (1) is provided with a cavity, and a lower positioning plate (3), an inner shell (2) and an upper positioning plate (4) are sequentially arranged in the cavity from bottom to top. At least one group of magnets (6) is arranged between the upper positioning plate (4) and the lower positioning plate (3), and all groups of magnets (6) are located between the side wall of the outer shell (1) and the side wall of the inner shell (2). Each electromagnetic driving device (5) comprises two groups of coils (51). The stroke of the telescopic part of the electromagnetic driving device (5) is located between the bottom surface of the outer shell (1) and the bottom surface of the inner shell (2), and the telescopic part penetrates the bottom surface of the outer shell (1).

2. The miniaturized microwave switch drive of claim 1, wherein, The outer shell (1) and the inner shell (2) are both cylindrical.

3. The miniaturized microwave switch drive of claim 2, wherein, The top surface of the outer shell (1) is provided with a wire hole (11) for the lead wire of the coil of each electromagnetic driving device.

4. The miniaturized microwave switch drive of claim 2, wherein, When a plurality of electromagnetic driving devices (5) are arranged on the inner shell (2), all electromagnetic driving devices (5) are uniformly distributed around the circumferential direction of the top surface of the inner shell (2).

5. The miniaturized microwave switch drive of claim 4, wherein, Six electromagnetic driving devices (5) are arranged on the inner shell (2).

6. The miniaturized microwave switch drive of claim 2, wherein, The magnet (6) is in the shape of a tile, the inner side of the magnet (6) is arranged in close contact with the outer side wall of the inner shell (2), and the outer side of the magnet (6) is arranged in close contact with the inner side wall of the outer shell (1).

7. A miniaturized microwave switch drive device according to any one of claims 1-6, characterized in that The lower positioning plate (3) and the upper positioning plate (4) are both in the shape of a ring. The top surface of the lower positioning plate (3) is provided with a first protrusion (30) in the shape of a ring at the inner ring opening, and the inner shell (2) is located on the first protrusion (30). The top surface of the lower positioning plate (3) is provided with a plurality of second protrusions (31) along the circumferential direction of the outer ring, and two adjacent second protrusions (31) are used for placing the magnet (6). The bottom surface of the upper positioning plate (4) is provided with a third protrusion (40) in the shape of a ring at the inner ring opening, and the third protrusion (40) is located on the top surface of the inner shell (2). The bottom surface of the upper positioning plate (4) is provided with a plurality of fourth protrusions (41) along the circumferential direction of the outer ring, and two adjacent fourth protrusions (41) are used for placing the magnet (6).

8. The miniaturized microwave switch drive of claim 6, wherein, Three groups of magnets are arranged between the upper positioning plate (4) and the lower positioning plate (3), and six magnets in the three groups of magnets are uniformly distributed along the circumferential direction of the inner shell (2).

9. The miniaturized microwave switch drive of claim 8, wherein, The electromagnetic driving device (5) comprises a coil holder (50), two groups of coils (51) are wound on the coil holder (50), a telescopic rod (52) is arranged in the coil holder (50), and the telescopic rod (52) is the telescopic part of the electromagnetic driving device (5).

10. A microwave switch, characterized by The microwave switch driving device comprises the microwave switch driving device according to any one of claims 1-9.

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