CN109038091B

CN109038091B - Multichannel millimeter wave interconnection device

Info

Publication number: CN109038091B
Application number: CN201810904715.8A
Authority: CN
Inventors: 陈彬; 王海波; 倪晓琛
Original assignee: Leihua Electronic Technology Research Institute Aviation Industry Corp of China
Current assignee: Leihua Electronic Technology Research Institute Aviation Industry Corp of China
Priority date: 2018-08-09
Filing date: 2018-08-09
Publication date: 2020-07-03
Anticipated expiration: 2038-08-09
Also published as: CN109038091A

Abstract

The invention discloses a multichannel millimeter wave interconnection device which comprises a bottom plate and a side plate, wherein the side plate and the bottom plate are mutually and vertically connected, a plurality of positioning pins and a plurality of blind plug connectors are arranged on the side plate, the blind plug connectors are electrically connected with a multichannel millimeter wave device, a sliding rail and a limiting plate are arranged on one side of the bottom plate, and a buffer device is arranged on the other side of the bottom plate. The invention has the characteristics of blind insertion and quick disassembly and assembly, does not need thread locking, greatly reduces the disassembly and assembly time and improves the system maintainability.

Description

Multichannel millimeter wave interconnection device

Technical Field

The invention belongs to the field of microwave signal switching transmission, and particularly relates to a multichannel millimeter wave interconnection device.

Background

The physical structure of the radio frequency connector mainly comprises SMA, BMA, SMP, SMC and K type (2.92-SMA), the connection mode mainly comprises a threaded connection and a quick-plug connection [2-3], and the existing connector has the following defects: SMP and K types can be used for realizing millimeter wave transmission, and the connection mode is thread locking, so that the requirement of quick plugging is difficult to meet; the method can realize quick plugging and unplugging of only the BMA and the SMP, wherein the BMA is difficult to realize millimeter wave transmission, the SMP connection form has strict requirements on structural errors, and the SMP connector can be damaged due to smaller processing errors, so that the requirement of multi-channel multi-module blind plugging is difficult to meet.

The other high-low frequency mixed connector can realize millimeter wave fast plug. However, the mixed structure fixes the position of the radio frequency connector, and has strict requirements on the radio frequency wiring of the module interconnected with the radio frequency connector. Meanwhile, high-frequency signals in the mixed connector easily interfere with low-frequency signals, and the mixed structure has large influence on phase noise under the vibration condition.

Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned problems of the prior art.

Disclosure of Invention

It is an object of the present invention to provide a multi-channel millimeter wave interconnect device that overcomes or at least alleviates at least one of the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention provides a multichannel millimeter wave interconnection device which comprises a bottom plate and a side plate, wherein the side plate is vertically connected with the bottom plate, a plurality of positioning pins and a plurality of blind plug connectors are arranged on the side plate, the blind plug connectors are electrically connected with the multichannel millimeter wave interconnection device, a sliding rail and a limiting plate are arranged on one side of the bottom plate, and a buffer device is arranged on the other side of the bottom plate.

Preferably, the buffering device comprises a base, wherein a buffering member is connected to the base through a fixing plate, and the buffering member is connected to the bottom plate.

Preferably, the number of the buffer devices is two.

Preferably, the number of the slide rails is two.

Preferably, the slide rail is perpendicular to the side plate and arranged on the bottom plate.

Preferably, the number of the limiting plates is two.

Preferably, the bottom plate and the side plates are connected with the limiting plate.

Preferably, an opening is formed at the joint of the limiting plate and the side plate.

The invention has the beneficial effects that: the method can be suitable for signal interconnection among multiple channels and multiple modules below 40GHz, and basically meets the unit frequency spectrum requirement; the method has better environment applicability, is insensitive to working environments such as vibration, temperature and the like, and is suitable for high-vibration-level environments such as airborne radar and the like; the blind-mating and quick-dismounting device has the characteristics of blind-mating and quick dismounting, does not need thread locking, greatly reduces dismounting time and improves system maintainability.

Drawings

Fig. 1 is a schematic structural diagram of a multichannel millimeter wave interconnection apparatus provided in an embodiment of the present invention.

Reference numerals:

1. a base plate; 2. a slide rail; 3. a buffer device; 4. a fixing plate; 5. a base; 6. a buffer member; 7. an opening; 8. a limiting plate; 9. positioning pins; 10. blind-mating the connecting piece; 11. side plates.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the scope of the present invention and that the terms "first" and "second" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

For a better understanding of the present invention, a multi-channel millimeter wave interconnect device provided according to embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be noted that these embodiments are not intended to limit the scope of the present disclosure.

Referring to fig. 1, multichannel millimeter wave interconnection device, bottom plate 1 and curb plate 11 including mutually perpendicular setting, be provided with slide rail 2 and limiting plate 8 on one side of bottom plate 1 orientation curb plate 11, slide rail 2 is used for making multichannel millimeter wave device can slide on bottom plate 1, limiting plate 8 can prevent that multichannel millimeter wave device from taking place to drop when sliding on bottom plate 1, be provided with a plurality of locating pins 9 and a plurality of blind plug connector 10 on curb plate 11, blind jack on the multichannel millimeter wave device that locating pin 9 is used for making can aim at with blind plug connector 10 on curb plate 11, optionally, locating pin 9 is two, and set up in the upper right corner department of curb plate 11, so that it can not influence blind plug connector 10's the position of arranging, thereby can not influence the inside circuit layout of multichannel millimeter wave device.

Two buffer devices 3 are arranged on the lower side surface of the bottom plate 1, each buffer device 3 comprises a fixed plate 4, a base 5 and a buffer piece 6, one end of each buffer piece 6 is connected with the bottom plate 1, and the other end of each buffer piece is fixedly connected onto the base 5 through the fixed plate 4. For example, the buffer 6 may be a spring or a bent steel wire.

The lower surface of the base 5 is of an arc-shaped structure, so that the buffering effect of the buffering device 3 is further enhanced.

According to one embodiment of the present invention, the number of the slide rails 2 is two, and the slide rails 2 are disposed on the bottom plate 1 perpendicular to the side plates 11, so that the multichannel millimeter wave device can approach or depart from the side plates 11 along the direction of the slide rails 2, thereby achieving the quick assembly and disassembly of the multichannel millimeter wave device.

According to one embodiment of the invention, the bottom plate 1 and the side plates 11 are both connected with the limiting plate 8, the connecting part of the limiting plate 8 and the side plates 11 is provided with the opening 7, and the opening 7 can facilitate the carrying or hoisting of the multichannel millimeter wave interconnection device.

Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The multichannel millimeter wave interconnection device is characterized by comprising a bottom plate (1) and side plates (11), wherein the side plates (11) are vertically connected with the bottom plate (1), a plurality of positioning pins (9) and a plurality of blind plug connectors (10) are arranged on the side plates (11), the blind plug connectors (10) are electrically connected with the multichannel millimeter wave interconnection device, two sliding rails (2) and limiting plates (8) which are perpendicular to the side plates (11) are respectively arranged on two sides of the bottom plate (1), the limiting plates (2) are connected with the bottom plate (1) and the side plates (11), two parallel and opposite buffer devices (3) are arranged on the other side edge part of the bottom plate (1), each buffer device (3) comprises a base (5), and two buffer pieces (6) of steel wire structures are connected onto the base (5) through fixing plates (4), the buffer piece (6) is connected with the bottom plate (1).

2. The multichannel millimeter wave interconnection device according to claim 1, characterized in that an opening (7) is formed at the connection of the limiting plate (8) and the side plate (11).