CN117895276B

CN117895276B - Microwave device capable of resisting heat

Info

Publication number: CN117895276B
Application number: CN202410287303.XA
Authority: CN
Inventors: 叶婉莹; 叶长顶
Original assignee: Jiangsu Hanzhiding Technology Co ltd
Current assignee: Jiangsu Hanzhiding Technology Co ltd
Priority date: 2024-03-13
Filing date: 2024-03-13
Publication date: 2024-05-28
Anticipated expiration: 2044-03-13
Also published as: CN117895276A

Abstract

The invention relates to the technical field of waveguide type devices, in particular to a heat-resistant microwave device, which comprises a waveguide shell, wherein a circuit board is arranged in the waveguide shell, a connecting notch for placing a circuit board interface is formed in the inner wall of the waveguide shell, a plurality of tightening assemblies for quickly fixing circuit board connecting pins are arranged outside the waveguide shell, each tightening assembly comprises an interface base for placing the circuit board interface, the interface bases are fixedly connected outside the waveguide shell, a rubber pad for tightly pressing the circuit board connecting pins is arranged above the interface base, and the plurality of tightening assemblies are arranged.

Description

Microwave device capable of resisting heat

Technical Field

The invention relates to the technical field of waveguide devices, in particular to a microwave device capable of resisting heat.

Background

The microwave assembly is widely used in the aspects of radar, communication, electronic countermeasure in the military field, wireless communication in the civil field, automobile radar and the like. The microwave assembly is used for realizing various conversions of frequency, power, phase and the like of microwave signals and is generally composed of a microwave circuit and a plurality of discrete microwave devices, the microwave assemblies are connected through a flexible substrate connecting piece, a plurality of pins of a substrate are connected with a circuit board interface in the microwave assembly, at present, a plurality of pins of the circuit board in the microwave assembly are connected with a plurality of pins of the substrate in a soldering mode, and the pins of the substrate are dissolved and removed by using an air heater when the soldering connection is adopted for maintenance.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a microwave device capable of resisting heat.

In order to solve the technical problems, the invention provides the following technical scheme: the microwave device capable of resisting heat comprises a waveguide shell, wherein a circuit board is arranged in the waveguide shell, a connecting notch for placing a circuit board interface is formed in the inner wall of the waveguide shell, a plurality of tightening assemblies for quickly fixing circuit board connecting pins are arranged outside the waveguide shell, each tightening assembly comprises an interface base for placing the circuit board interface, the interface base is fixedly connected to the outside of the waveguide shell, a rubber pad for pressing the circuit board connecting pins is arranged above the interface base, a cover seat is fixedly connected to the outside of the rubber pad, a connecting pile for connecting is fixedly connected to the upper end of the cover seat, the connecting pile is U-shaped, a plug rod for assisting the cover seat to move and a round hole for placing the plug rod are formed in the outer side of the waveguide shell, the round hole is seted up in the upper end of interface base, the lower extreme activity of inserted bar runs through the inside of round hole and extends to the outside below of interface base, the one end and the lid seat fixed connection of interface base are kept away from to the inserted bar, the lid seat is through the outside top activity of inserted bar at the interface base for with the fixed bottom plate of lid seat, bottom plate fixed connection is at the lower extreme of inserted bar, and the bottom plate is located the below of interface base, the outside activity of inserted bar has cup jointed the cover spring, the both ends of cover spring are fixed connection respectively in lid seat and round hole inner wall one side in opposite directions, the lid seat provides elasticity suspension in the top of interface base through the cover spring, the empty slot has all been seted up to the both sides of interface base upper end, the inside all swing joint of every empty slot has the baffle, the one end fixed connection of the inside of empty slot is kept away from to the baffle is in the lower extreme of lid seat.

As a preferred technical scheme of the invention, the clamping assembly for rapidly fixing the cover seat is arranged in the bottom plate, the clamping assembly comprises a pile inserting mechanism for clamping, the pile inserting mechanism comprises a supporting plate, the supporting plate is fixedly connected to the outside of the waveguide shell, the supporting plate is L-shaped, a clamping notch is formed in one side, far away from the waveguide shell, of the supporting plate, a spring is fixedly connected to the inside of the clamping notch, one end, far away from the inside of the clamping notch, of the spring is fixedly connected with a clamping plate, one corner, far away from the spring, of the upper end of the clamping plate is inclined, the clamping plate moves in the inside of the clamping notch through the spring, the clamping assembly further comprises a movable notch matched with the width of the supporting plate, the upper end of the supporting plate is movably connected to the inside of the movable notch, the movable notch is formed in the inside of the bottom plate, an upper notch is formed in the inner wall of the movable notch, the inside of the upper notch is communicated with the outside of the bottom plate, the clamping plate is driven to be clamped in the inside of the upper notch through elasticity generated by the spring, a hanging plate is fixedly connected to the inside of the upper notch, a pushing post for pushing the clamping plate is in an I shape.

As a preferable technical scheme of the invention, an adjusting component for synchronous lifting movement is arranged above a plurality of tightening components, the adjusting component comprises transverse plates for connection, limiting plates with the same number as the tightening components are fixedly connected to the outer parts of the transverse plates, one ends of the limiting plates, which are far away from the transverse plates, movably penetrate through the inside of the connecting piles and extend outwards, one ends of the limiting plates, which extend to the outer parts of the connecting piles, are fixedly connected with side plates for limiting, pull grooves for pulling are formed in the upper sides of the inner parts of the transverse plates, the adjusting component further comprises sliding grooves for assisting lifting movement, the sliding grooves are formed in the outer parts of waveguide shells, sliding plates for connecting with the transverse plates are connected to the inner parts of the sliding grooves in a sliding manner, one ends of the sliding plates, which are far away from the inner parts of the sliding grooves, are fixedly connected with the transverse plates, and the transverse plates move upwards or downwards outside the waveguide shells through the sliding plates.

As a preferable technical scheme of the invention, a switch assembly for synchronously opening a plurality of clamping assemblies is arranged outside a waveguide shell, the switch assembly comprises fixing rings, the number of the fixing rings is the same as that of the clamping assemblies, the fixing rings are fixedly connected to the outside of the waveguide shell, outer slots are formed in the outer parts of the fixing rings, round shafts are fixedly connected to the inside of the outer slots, convex plates are rotatably connected to the outside of the round shafts, the convex plates rotate in the outer slots through the round shafts, the convex plates are fixedly connected through connecting rods, and the convex plates are positioned below a bottom plate.

Compared with the prior art, the invention has the following beneficial effects:

1. Through setting up a plurality of and tightening the subassembly, with the interface connection of a plurality of pins of base plate at the subassembly internal fixation that is tightening and with the circuit board, the mode that adopts to compress tightly when dismantling the pin can directly take out the pin, avoids pulling out the mode of inserting, reaches the effect that can install fast or dismantle the base plate pin simultaneously, reaches the effect of dismantling the maintenance fast in the protection of effectively to the base plate pin.

2. Through setting up the switch module, can be in contact with the fixed of a plurality of pins of base plate in the hooping subassembly by the regulation and control of switch module, make a plurality of pins of base plate demolish fast.

3. Through setting up adjusting part, can drive a plurality of and tighten the synchronous motion of subassembly with adjusting part control to make fast a plurality of pins that will be connected with circuit board interface compress tightly fixedly, reach the effect of carrying out the base plate pin installation fast.

4. When the transverse plate moves downwards outside the waveguide shell, the transverse plate drives the sliding plate to synchronously move inside the sliding groove, the sliding plate assists the transverse plate to perform stable downward vertical movement, and meanwhile the condition that the transverse plate is separated from the outside of the waveguide shell is avoided.

5. When the cover spring provides elasticity for the cover seat to support, the baffle plate arranged on two sides of the interface base is matched with the cover spring to shield the cover spring from the inserted bar, so that the contact between the cover spring and the inserted bar and the pins of the substrate is avoided, the pins are worn, and the normal operation work of the pins is effectively guaranteed.

6. Through setting the clamping assembly into independent module, can will carry out independent control to the clamping assembly in the clamping assembly, dismantle the interface department of single pin follow circuit board of base plate, the maintenance investigation of every pin tie point is carried out alone to the maintenance person of being convenient for.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic diagram of the waveguide enclosure of FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the waveguide enclosure of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the interface chassis of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;

FIG. 6 is a schematic illustration of a partial structure of the waveguide enclosure of FIG. 1 in accordance with the present invention;

FIG. 7 is a schematic view of the retaining ring of FIG. 5 according to the present invention;

FIG. 8 is a schematic view of an exploded view of the interface mount of FIG. 6 in accordance with the present invention;

FIG. 9 is a schematic view showing the structure of the support plate of FIG. 5 according to the present invention;

FIG. 10 is a schematic view of the cross plate of FIG. 1 according to the present invention;

fig. 11 is a schematic structural diagram of a substrate pin according to the present invention.

Wherein: 10. a waveguide housing; 11. a circuit board; 12. a connecting notch; 20. an interface base; 21. a cover base; 22. rubber cushion; 23. a bottom plate; 24. connecting piles; 25. sleeving a spring; 26. a baffle; 27. a hollow groove; 28. a round hole; 29. a rod; 30. a fixing ring; 31. a convex plate; 32. an outer slot; 33. a circular shaft; 34. a connecting rod; 40. a cross plate; 41. a chute; 42. drawing a groove; 43. a slide plate; 44. a limiting plate; 45. a side plate; 50. a movable notch; 51. an upper notch; 52. pushing a column; 53. a hanging plate; 54. a support plate; 55. a clamping notch; 56. a spring; 57. and (5) clamping plates.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present invention are obtained will become readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

An embodiment is shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 8, a microwave device capable of resisting heat, which comprises a waveguide shell 10, a circuit board 11 is arranged in the waveguide shell 10, the waveguide shell 10 is made of heat-insulating materials, the heat generated by the circuit board 11 is prevented from being transmitted outwards, a connecting notch 12 for placing an interface of the circuit board 11 is formed in the inner wall of the waveguide shell 10, a plurality of tightening components for quickly fixing connecting pins of the circuit board are arranged outside the waveguide shell 10, each tightening component comprises an interface base 20 for placing an interface of the circuit board 11, the interface base 20 is fixedly connected to the outside of the waveguide shell 10, a rubber pad 22 for pressing connecting pins of the circuit board is arranged above the interface base 20, a cover seat 21 is fixedly connected to the outside of the rubber pad 22, a connecting pile 24 for connecting is fixedly connected to the upper end of the cover seat 21, a round hole 28 for placing a plug rod 29 is formed in a U shape, the round hole 28 and the plug rod 29 are arranged in number of four, two symmetrical plug rods 20 are arranged on the two sides of the base, two plug rods 28 are symmetrically arranged on the two sides of the base 20 and are fixedly connected to the two sides of the base 20 at two sides of the base 20 and are movably sleeved at two sides of the base 25, the two ends of the base 23 are movably sleeved at the two sides of the base 25, the base 25 is movably sleeved at the two ends of the base 20 and are movably sleeved at the two ends of the base 25 and are fixedly connected to the base 25, and the base 20 is movably connected to the base 20 and the base 21 and the plug rod 29 is movably arranged at the base is a round hole 28, the plug rod is used for connecting seat is a connecting hole for connecting plug connector, which is used for connecting plug is used for connecting and is. The cover seat 21 is suspended above the interface base 20 by elastic force provided by the sleeve spring 25, the two sides of the upper end of the interface base 20 are provided with empty slots 27, the inside of each empty slot 27 is movably connected with a baffle 26, and one end of the baffle 26, which is far away from the inside of the empty slot 27, is fixedly connected with the lower end of the cover seat 21.

Referring to fig. 8 and 9, a clamping assembly for rapidly fixing the position of the cover seat 21 is provided in the bottom plate 23, the clamping assembly comprises a pile inserting mechanism for clamping, the pile inserting mechanism comprises a supporting plate 54, the supporting plate 54 is fixedly connected to the outside of the waveguide housing 10, the supporting plate 54 is in an L shape, a clamping slot 55 is provided on one side of the supporting plate 54 far away from the waveguide housing 10, a spring 56 is fixedly connected to the inside of the clamping slot 55, a clamping plate 57 is fixedly connected to one end of the spring 56 far away from the inside of the clamping slot 55, one corner of the upper end of the clamping plate 57 far away from the spring 56 is inclined, the clamping plate 57 moves in the clamping slot 55 through the spring 56, the clamping assembly further comprises a movable slot 50 adapting to the width of the supporting plate 54, the upper end of the supporting plate 54 is movably connected in the movable slot 50, the movable slot 50 is provided in the bottom plate 23, an upper slot 51 is provided on the inner wall of the movable slot 50, the inside of the upper notch 51 is communicated with the upper part outside the bottom plate 23, the clamping plate 57 is clamped in the upper notch 51 by the elastic force generated by the spring 56, the hanging plate 53 is fixedly connected in the upper notch 51, the pushing column 52 for pushing the clamping plate 57 is movably connected in the hanging plate 53, the pushing column 52 is in a shape, the pushing column 52 is clamped in the hanging plate 53 by the shape of the pushing column 52 to avoid the separation of the pushing column 52, the clamping plate 57 is driven to retract into the clamping notch 55 by pressing the pushing column 52 towards the inside of the clamping notch 55 and the spring 56 is compressed, the cover seat 21 is driven to move upwards outside the interface base 20 by the elasticity generated by the sleeve spring 25, the rubber cushion 22 is driven to be separated from the substrate pins by the movement of the cover seat 21, the substrate can be taken down from the interface of the circuit board 11 at the moment, the convex plate 31 rotates around the round shaft 33 in the outer notch 32, the convex plate 31 rotates to drive the connecting rod 34 and synchronously rotate the convex plates 31, the convex plates 31 rotate to be close to the push posts 52 and synchronously push the clamping plates 57, so that the clamping plates 57 shrink in the clamping notch 55 to synchronously lift the cover seats 21, and at the moment, the interfaces of the pins of the substrate can be synchronously relieved, and the pins of the substrate can be rapidly removed.

Referring to fig. 6 and 10, an adjusting component for synchronous lifting movement is arranged above a plurality of tightening components, the adjusting component comprises a transverse plate 40 used for connection, a limiting plate 44 with the same number as the tightening components is fixedly connected to the outer portion of the transverse plate 40, one end of the limiting plate 44 away from the transverse plate 40 movably penetrates through the inner portion of the connecting pile 24 and extends outwards, a side plate 45 used for limiting is fixedly connected to one end of the limiting plate 44 extending to the outer portion of the connecting pile 24, a pulling groove 42 used for pulling is formed in the upper side of the inner portion of the transverse plate 40, the adjusting component further comprises a sliding groove 41 used for assisting lifting movement, the sliding groove 41 is formed in the outer portion of the waveguide shell 10, the sliding groove 41 is a T-shaped groove opening, a sliding plate 43 used for being connected with the transverse plate 40 is slidably connected to the inner portion of the sliding groove 41, one end of the sliding plate 43 away from the inner portion of the sliding groove 41 is fixedly connected with the transverse plate 40, the transverse plate 40 moves upwards or downwards through the sliding plate 43 outside the waveguide shell 10, a plurality of pins of the substrate can be synchronously contacted with the fixing pins in the tightening components by the switch component, and the substrate can be quickly dismounted.

Referring to fig. 7, a switch assembly for synchronously opening a plurality of clamping assemblies is arranged outside the waveguide housing 10, the switch assembly comprises fixing rings 30 with the same number as the clamping assemblies, the fixing rings 30 are fixedly connected to the outside of the waveguide housing 10, outer notch 32 is formed in the outside of the fixing rings 30, a circular shaft 33 is fixedly connected to the inside of the outer notch 32, a convex plate 31 is rotatably connected to the outside of the circular shaft 33, the convex plate 31 rotates in the inside of the outer notch 32 through the circular shaft 33, and a plurality of convex plates 31 are fixedly connected through connecting rods 34, and the convex plate 31 is located below the bottom plate 23.

Working principle:

When in use, the utility model is characterized in that: in the first step, the push post 52 is pressed toward the inside of the notch 55 to drive the clamping plate 57 to shrink into the inside of the notch 55 and compress the spring 56, and the cover spring 25 generates elastic force to drive the cover seat 21 to move upward outside the interface base 20, and the cover seat 21 moves to drive the rubber pad 22 to separate from the substrate pins, so that the substrate can be taken down from the interface of the circuit board 11.

In the second step, the convex plate 31 rotates around the circular shaft 33 inside the outer notch 32, the convex plate 31 rotates to drive the connecting rod 34 and make the convex plates 31 synchronously rotate, the convex plate 31 rotates to be close to the push posts 52 and drive the push posts 52 to synchronously push the clamping plates 57, the clamping plates 57 shrink inside the clamping notch 55 to synchronously lift the cover seats 21, at this time, the interfaces of the pins of the substrate can be synchronously relieved, and the pins of the substrate can be quickly removed.

After use: through placing the interface connection with circuit board 11 with a plurality of pins of base plate respectively in a plurality of interface base 20 inside, push down the diaphragm 40 and drive a plurality of limiting plates 44 synchronous motion this moment, limiting plates 44 press the top of a plurality of lid seats 21 and drive lid seat 21 downwards to make cushion 22 compress tightly the interface of the pin of base plate and circuit board 11, thereby the interface connection with a plurality of pins of base plate and circuit board 11 fast.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The microwave device capable of resisting heat comprises a waveguide shell (10), wherein a circuit board (11) is arranged in the waveguide shell (10), and a connecting notch (12) for placing an interface of the circuit board (11) is formed in the inner wall of the waveguide shell (10), and the microwave device is characterized in that a plurality of tightening assemblies for quickly fixing connecting pins of a circuit substrate are arranged outside the waveguide shell (10), and each tightening assembly comprises;

The interface base (20) is used for placing an interface of the circuit board (11), the interface base (20) is fixedly connected to the outside of the waveguide shell (10), a rubber pad (22) used for pressing connection pins of the circuit board is arranged above the interface base (20), a cover seat (21) is fixedly connected to the outside of the rubber pad (22), a connection pile (24) used for connection is fixedly connected to the upper end of the cover seat (21), and the connection pile (24) is U-shaped;

The plug rod (29) is used for assisting the cover seat (21) to move and a round hole (28) used for placing the plug rod (29), the round hole (28) is formed in the upper end of the interface base (20), the lower end of the plug rod (29) movably penetrates through the inside of the round hole (28) and extends towards the lower side of the outside of the interface base (20), one end, far away from the interface base (20), of the plug rod (29) is fixedly connected with the cover seat (21), and the cover seat (21) moves above the outside of the interface base (20) through the plug rod (29);

the bottom plate (23) is used for fixing the cover seat (21), the bottom plate (23) is fixedly connected to the lower end of the inserted link (29), and the bottom plate (23) is positioned below the interface base (20);

Wherein, the inside of the bottom plate (23) is provided with a clamping component for quickly fixing the position of the cover seat (21);

the upper part of the plurality of tightening assemblies is provided with an adjusting assembly for synchronous lifting movement, the adjusting assembly comprises transverse plates (40) for connection, limiting plates (44) with the same number as the tightening assemblies are fixedly connected to the outer parts of the transverse plates (40), one ends of the limiting plates (44) far away from the transverse plates (40) movably penetrate through the inner parts of the connecting piles (24) and extend outwards, one ends of the limiting plates (44) extending to the outer parts of the connecting piles (24) are fixedly connected with side plates (45) for limiting, and pull grooves (42) for pulling are formed in the upper sides of the inner parts of the transverse plates (40);

The adjusting assembly further comprises a sliding groove (41) for assisting in ascending movement, the sliding groove (41) is formed in the outer portion of the waveguide shell (10), a sliding plate (43) used for being connected with the transverse plate (40) is connected in a sliding mode in the sliding groove (41), one end, away from the inner portion of the sliding groove (41), of the sliding plate (43) is fixedly connected with the transverse plate (40), and the transverse plate (40) moves upwards or downwards outside the waveguide shell (10) through the sliding plate (43);

The outside of waveguide shell (10) is provided with the switch module that is used for opening in step a plurality of chucking subassembly, switch module is including fixed ring (30) the same with chucking subassembly quantity, fixed ring (30) fixed connection is in the outside of waveguide shell (10), outer notch (32) have been seted up to the outside of fixed ring (30), the inside fixedly connected with circle axle (33) of outer notch (32), the outside rotation of circle axle (33) is connected with flange (31), flange (31) are rotated in the inside of outer notch (32) through circle axle (33), carry out fixed connection through setting up connecting rod (34) between a plurality of flange (31), flange (31) are located the below of bottom plate (23).

2. The microwave device capable of resisting heat according to claim 1, wherein a sleeve spring (25) is movably sleeved outside the inserted rod (29), two ends of the sleeve spring (25) are fixedly connected to one side, opposite to the inner wall of the round hole (28), of the cover seat (21), and the cover seat (21) is suspended above the interface base (20) by elastic force provided by the sleeve spring (25).

3. The heat-resistant microwave device according to claim 1, wherein the two sides of the upper end of the interface base (20) are provided with empty slots (27), the inside of each empty slot (27) is movably connected with a baffle plate (26), and one end of the baffle plate (26) far away from the inside of the empty slot (27) is fixedly connected with the lower end of the cover base (21).

4. The heat-resistant microwave device according to claim 1, wherein the clamping assembly comprises a pile inserting mechanism for clamping, the pile inserting mechanism comprises a supporting plate (54), the supporting plate (54) is fixedly connected to the outside of the waveguide shell (10), the supporting plate (54) is in an L shape, a clamping slot (55) is formed in one side, far away from the waveguide shell (10), of the supporting plate (54), a spring (56) is fixedly connected to the inside of the clamping slot (55), one end, far away from the inside of the clamping slot (55), of the spring (56), a clamping plate (57) is fixedly connected to one end, far away from one corner of the spring (56), of the clamping plate (57) is in an inclined shape, and the clamping plate (57) moves inside the clamping slot (55) through the spring (56).

5. The heat-resistant microwave device according to claim 4, wherein the clamping assembly further comprises a movable notch (50) which is matched with the width of the supporting plate (54), the upper end of the supporting plate (54) is movably connected with the inside of the movable notch (50), the movable notch (50) is arranged in the bottom plate (23), an upper notch (51) is arranged on the inner wall of the movable notch (50), the inside of the upper notch (51) is communicated with the upper part outside the bottom plate (23), the clamping plate (57) is clamped in the upper notch (51) through elastic force generated by a spring (56), a hanging plate (53) is fixedly connected with the inside of the upper notch (51), a pushing column (52) for pushing the clamping plate (57) is movably connected with the inside of the hanging plate (53), and the pushing column (52) is in an I shape.