CN217521344U

CN217521344U - Microwave radar device

Info

Publication number: CN217521344U
Application number: CN202123299954.1U
Authority: CN
Inventors: 陈政忠; 尹虎; 马龙飞
Original assignee: Weihai Beiyang Electric Group Co Ltd
Current assignee: Weihai Beiyang Electric Group Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-09-30
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a microwave radar device, include: a housing having a hollow structure to form a mounting cavity within the housing; the electric device is arranged in the installation cavity and is clamped with the cavity wall of the installation cavity. The housing includes a protective cover, the mounting cavity being formed on the protective cover; the electric device comprises a circuit board and a microwave radar module, and the circuit board and the microwave radar module are respectively connected with the protective cover in a clamping mode. The utility model provides an electric part among the microwave radar device adopts the mode of joint to fix on the casing, and the installation spare part is few, and the installation is swift high-efficient, and dismantles and change the convenience. Simultaneously the utility model discloses well electrical part's fixed metalwork such as screw has not been used, has eliminated metal fastener to signal interference's risk.

Description

Microwave radar device

Technical Field

The utility model relates to the field of communication technology, in particular to microwave radar device.

Background

The periphery of a high-speed rail, an airport, a logistics warehouse, an underground pipe gallery, a port, a military ground and the like is provided with a perimeter formed in various forms, a security system is required to be installed to realize intrusion alarm prevention, a warning protection area is formed outside the perimeter, and when irrelevant personnel or objects enter the area, the security system can send out an alarm signal.

The microwave radar device usually arranges the electric device in the cavity of the shell, the electric device and the shell are fixed by adopting the forms of screws and the like, the fixing mode has more parts, the installation process is complex, the installation efficiency is low, the replacement and the disassembly are inconvenient, and the inconvenience is brought to the installation and the disassembly of the microwave radar device. Meanwhile, metal parts such as screws are close to the microwave radar device, and interference to signals is easy to generate.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a microwave radar device.

Specifically, the method comprises the following technical scheme:

a microwave radar apparatus, comprising:

a housing having a hollow structure to form a mounting cavity within the housing;

the electric device is arranged in the installation cavity and is clamped with the cavity wall of the installation cavity.

Further, the housing includes a protective cover, and the mounting cavity is formed on the protective cover;

the electric device comprises a circuit board and a microwave radar module, and the circuit board and the microwave radar module are respectively connected with the protective cover in a clamping mode.

Furthermore, the protective cover comprises a first clamping groove, and the circuit board is inserted into the first clamping groove.

Furthermore, the casing still includes the bottom plate, the bottom plate with the safety cover is connected for seal the opening of installation cavity, the bottom plate includes bottom plate body and boss, the boss sets up on the bottom plate body, the one end of circuit board is pegged graft in the first draw-in groove, the other end overlap joint on the boss, and with bottom plate body butt.

Further, the microwave radar module includes shield cover and microwave radar component, the shield cover is U type structure, the opening side of the U type structure of shield cover inserts the installation intracavity of shield cover, the microwave radar component is located in the U type structure, in order with the signal reception direction and the signalling direction restriction of microwave radar component be with the opening direction of U type structure is the same.

Further, the protective cover further comprises a second clamping groove and a third clamping groove;

the shielding case comprises a first plate, a second plate and a third plate, the first plate and the second plate are parallel and opposite to each other, the first plate is connected with the second plate through the third plate, the first plate is inserted into the third clamping groove, and the second plate is inserted into the second clamping groove.

Further, the shell body further comprises a bottom plate, the bottom plate comprises a bottom plate body, reinforcing ribs are arranged on the bottom plate body, and the third plate is abutted to the reinforcing ribs.

Furthermore, a plurality of mounting clamping grooves are formed in the shielding cover, and the microwave radar element is clamped on the mounting clamping grooves.

Furthermore, a limiting groove is arranged on the protective cover, the limiting groove is arranged on the inner wall surface of the opening of the protective cover, and one side edge of the bottom plate is inserted into the limiting groove;

be equipped with spacing bead on the safety cover, spacing bead set up with on the parallel and relative wall of spacing recess, be equipped with spacing trip on one side border of bottom plate, spacing trip with spacing bead joint.

Further, the safety cover includes the fixed plate, the fixed plate is followed the axis symmetry of safety cover sets up on the opening outer fringe of installation cavity, be provided with the fixed orifices on the fixed plate.

The embodiment of the utility model provides a technical scheme's beneficial effect includes at least:

the utility model provides an electric part among the microwave radar device adopts the mode of joint to fix on the casing, and the installation spare part is few, and the installation is swift high-efficient, and dismantles and change the convenience. Simultaneously the utility model discloses well electrical part's fixed metalwork such as screw has not been used, has eliminated the risk of metal fastener itself to signal interference.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a split view of the structure of the device of the present invention;

FIG. 2 is a cross-sectional view of the structure of the device of the present invention;

FIG. 3 is a sectional view of the device housing structure of the present invention;

FIG. 4 is a schematic view of the inner side structure of the bottom plate of the device of the present invention;

FIG. 5 is a schematic view of the outer side structure of the bottom plate of the device of the present invention;

FIG. 6 is a side view of the bottom plate of the device of the present invention;

FIG. 7 is a schematic view of the shielding case of the present invention;

FIG. 8 is another schematic view of the protective cover structure of the device of the present invention;

fig. 9 is another schematic diagram of the internal structure of the device of the present invention.

The reference numerals in the figures are denoted respectively by:

1-a protective cover; 1-1, 1-1' -fixing plate; 1-2-a first card slot; 1-3-a second card slot; 1-4-a limiting groove; 1-5-a third card slot; 1-6-limit convex ribs; 1-7-line interface; 2-a bottom plate; 2-1-a bottom plate body; 2-2-reinforcing ribs; 2-3-boss; 2-4-trip; 2-5-step groove; 3-a circuit board; 4-a shielding case; 4-1-a first plate; 4-2-a second plate; 4-3-third plate; 4-4-installing a clamping groove; 5-microwave radar element.

With the above figures, certain embodiments of the present invention have been shown and described in more detail below. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Before further detailed description of the embodiments of the present invention, terms of orientation in the embodiments of the present invention, such as "upper portion", "lower portion" and "side portion", are not intended to limit the scope of the present invention, based on the orientation shown in fig. 1.

In order to make the technical solutions and advantages of the present invention clearer, the following will describe the embodiments of the present invention in further detail with reference to the accompanying drawings.

The present embodiment provides a microwave radar apparatus, as shown in fig. 1 and 2, including a housing having a hollow structure to form a mounting cavity in the housing; the electric device is arranged in the mounting cavity and is clamped with the cavity wall of the mounting cavity.

The electric device in the microwave radar device in the embodiment is fixed on the shell in a clamping mode, the number of installation parts is small, the installation process is fast and efficient, and the disassembly and replacement are convenient. Simultaneously the utility model discloses well electrical part's fixed metalwork such as screw has not been used, has eliminated metal fastener itself to signal interference's risk.

As shown in fig. 1 to 3, the housing includes a protection cover 1, and a mounting cavity is formed on the protection cover 1; the electric device comprises a circuit board 3 and a microwave radar module, and the circuit board 3 and the microwave radar module are respectively clamped with the protective cover 1. Protection cover 1 is the cuboid structure in this embodiment, and inside cavity forms the installation cavity, and open the opening that has formed the installation cavity of a side wall of protection cover 1, and circuit board 3 and microwave radar module set up in the installation cavity, with the chamber wall joint, have avoided metal fixing's use, have eliminated metal fastener itself to signal interference's risk.

As shown in fig. 1 and 2, the top surface of the protective cover 1 has a certain gradient, so that water accumulation and sliding of foreign matters are facilitated, the cleanliness of the microwave radar device in the using process is ensured, and the damage risk of the microwave radar device is also reduced. As shown in fig. 1, the side of the protective cover 1 is provided with line interfaces 1-7, and the connecting line connectors connected with the circuit board 3 are fixed on the line interfaces 1-7. The edges of the line interfaces 1-7 extend to the outside of the installation cavity of the protective cover 1 for a certain length, so that the waterproof and dustproof effects are achieved. It will be appreciated that the line interfaces 1-7 may be circular in shape, or may be other shapes, either convex or concave, and function to secure and provide sealing protection to the patch cord connectors.

As shown in fig. 2 and 3, the protective cover 1 includes a first card slot 1-2, and the circuit board 3 is inserted into the first card slot 1-2.

As shown in fig. 3, 4 and 6, the housing further includes a bottom plate 2, the bottom plate 2 is connected with the protective cover 1 and used for sealing an opening of the installation cavity, the bottom plate 2 includes a bottom plate body 2-1 and a boss 2-3, the boss 2-3 is disposed on the bottom plate body 2-1, one end of the circuit board 3 is inserted into the first slot 1-2, and the other end is overlapped on the boss 2-3 and abutted to the bottom plate body 2-1.

In this embodiment, the first card slot 1-2 is a U-shaped card slot disposed on the protection cover 1, the circuit board 3 includes a circuit board, the length of the circuit board is equal to the length of the mounting cavity, one end of the circuit board is inserted into the first card slot 1-2, the mounting cavity and the first card slot 1-2 limit the circuit board in the vertical and horizontal directions, the other end of the circuit board is connected to the boss 2-3 in an overlapping manner and is abutted against the bottom plate body 2-1, and the boss 2-3 and the bottom plate body 2-1 limit the circuit board in the front-back direction, so that the circuit board is fixed.

As shown in fig. 1 to 3, the microwave radar module includes a shield case 4 and a microwave radar element 5, the shield case 4 is of a U-shaped structure, an opening side of the U-shaped structure of the shield case 4 is inserted into the mounting cavity of the protection cover 1, and the microwave radar element 5 is located in the U-shaped structure (as shown in fig. 7) to limit a signal receiving direction and a signal transmitting direction of the microwave radar element 5 to be the same as the opening direction of the U-shaped structure. In this embodiment, the shield case 4 is a U-shaped structure, and has three openings, including the opening parallel to the plane where the opening of the installation cavity is located and two openings perpendicular to the plane where the opening of the shield case 4 is located, and after the opening parallel to the plane where the opening of the installation cavity is located is inserted into the installation cavity of the protection cover 1, the signal receiving direction and the signal transmitting direction of the microwave radar element 5 located inside the shield case 4 are limited to three opening directions of the U-shaped structure, so that the signal receiving and transmitting of the microwave radar element 5 have good directivity.

As shown in fig. 2 to 4, the protective cover 1 further includes a second card slot 1-3 and a third card slot 1-5; the shielding case 4 includes a first board 4-1, a second board 4-2, and a third board 4-3 (as shown in fig. 7), the first board 4-1 and the second board 4-2 are parallel and opposite to each other, the first board 4-1 is connected to the second board 4-2 through the third board 4-3, the first board 4-1 is inserted into the third card slot 1-5, and the second board 4-2 is inserted into the second card slot 1-3.

The bottom plate 2 comprises a bottom plate body 2-1, the bottom plate body 2-1 is provided with a reinforcing rib 2-2, and the third plate 4-3 is abutted to the reinforcing rib 2-2. In the embodiment, the bosses 2-3 are arranged on the reinforcing ribs 2-2, and the circuit board is lapped on the bosses 2-3 and is abutted against the reinforcing ribs 2-2.

In the present embodiment, the circuit board 3 is disposed above the shield case 4 (as shown in fig. 2), and the first plate 4-1 of the shield case 4 can shield the microwave radar element 5 from the interference of the circuit board 3. Since microwave radar devices are usually mounted on the perimeter of a metal fence, fence or the like, shield can 4 shields the metal on the perimeter from interfering with microwave radar element 5. The second card slot 1-3, the third card slot 1-5 and the bottom plate 2 are matched to fix the shielding case 4. And a metal fixing piece is not used in the fixing process, so that the risk of signal interference caused by the metal fastening piece is eliminated.

In other solutions, the relative positions of the circuit board 3 and the shielding case 4 may have various layout manners, and are not limited to the structure shown in fig. 1, as shown in fig. 9, the circuit board 3 is placed on the back side of the shielding case 4, the placement manner may effectively reduce the height of the microwave radar apparatus, and the shielding case 4 may also completely shield interference from the circuit board 3.

As shown in fig. 7, the shielding case 4 is provided with a plurality of mounting slots 4-4, and the microwave radar element 5 is clamped in the mounting slots 4-4. The mounting clamping groove 4-4 is respectively connected with the first plate 4-1, the second plate 4-2 and the third plate 4-3, a clamping groove with a downward opening is arranged at the part connected with the first plate 4-1, a clamping groove with an upward opening is arranged at the part connected with the second plate 4-2, a U-shaped clamping groove is arranged at the part connected with the third plate 4-3, meanwhile, the groove end of the clamping groove connected with the first plate 4-1 is downwards bent to seal the channel, or the groove end of the clamping groove connected with the second plate 4-2 is upwards bent to seal the channel, and three side edges of the microwave radar element 5 are respectively clamped with the corresponding clamping grooves, so that the mounting is firm, and the microwave radar element is not easy to fall off.

In this embodiment, the installation direction of the microwave radar element 5 on the installation card slot 4-4 is shown in fig. 7, in other embodiments, the installation direction of the microwave radar element 5 may be adjusted autonomously according to a requirement, and further, the installation direction of the installation card slot 4-4 on the shielding case 4 may also be adjusted autonomously according to a requirement.

As shown in fig. 2 to 6, the protective cover 1 is provided with a limiting groove 1-4, the limiting groove 1-4 is arranged on the inner wall surface of the opening of the protective cover 1, and one side edge of the bottom plate 2 is inserted into the limiting groove 1-4. In the embodiment, a step groove 2-5 is arranged on the edge of one side of the bottom plate 2, and the step groove 2-5 is inserted in the limiting groove 1-4. The protective cover 1 is provided with limiting convex edges 1-6 which are arranged on the wall surface parallel to and opposite to the limiting grooves 1-4, one side edge of the bottom plate 2 is provided with limiting hooks 2-4, and the limiting hooks 2-4 are clamped with the limiting convex edges 1-6. In the embodiment, the bottom plate 2 and the protective cover 1 are assembled through the limiting grooves 1-4, the limiting clamping hooks 2-4 and the limiting convex edges 1-6, and are completely connected in a clamping manner, so that the number of parts is reduced, the assembly efficiency is improved, and the waterproof effect is also ensured.

As shown in fig. 5, in order to further secure the fixing firmness of the bottom plate 2 and the protection cover 1, a screw hole may be formed in the bottom plate, and the bottom plate 2 and the protection cover 1 may be further fastened by using a screw, which is located outside the shield case 4 and does not interfere with the microwave radar element 5.

As shown in figure 1, the protective cover 1 comprises a fixing plate 1-1, the fixing plate 1-1 is symmetrically arranged on the outer edge of the opening of the installation cavity along the axis of the protective cover 1, and a fixing hole is arranged on the fixing plate 1-1. In the embodiment, the fixing plate 1-1 is arranged to replace a common independent microwave radar mounting bracket structure, so that the structure of the device is simplified, and the mounting efficiency is improved. The microwave radar device of the embodiment can be connected with different perimeter fences through fixing holes by using different fixing modes such as screws, ties, hoops and the like. It can be understood that the fixing plate 1-1 can be flexibly matched in terms of length, shape, relative position and the like, and the fixing holes are not limited in shape and position, for example, as shown in fig. 8, the fixing plate 1-1 'is also oppositely arranged on the edge of the installation cavity, and the fixing holes are formed in the fixing plate 1-1'. After the fixing plate 1-1' is additionally arranged, the microwave radar device is more firmly and stably fixed.

In the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only.

The above description is only a preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A microwave radar apparatus, comprising:

2. A microwave radar apparatus according to claim 1,

the shell comprises a protective cover (1), and the mounting cavity is formed on the protective cover (1);

the electric device comprises a circuit board (3) and a microwave radar module, wherein the circuit board (3) and the microwave radar module are respectively connected with the protective cover (1) in a clamping mode.

3. A microwave radar apparatus as in claim 2,

the protective cover (1) comprises a first clamping groove (1-2), and the circuit board (3) is inserted into the first clamping groove (1-2).

4. A microwave radar apparatus according to claim 3,

the shell further comprises a bottom plate (2), the bottom plate (2) is connected with the protective cover (1) and used for sealing the opening of the installation cavity, the bottom plate (2) comprises a bottom plate body (2-1) and a boss (2-3), the boss (2-3) is arranged on the bottom plate body (2-1), one end of the circuit board (3) is inserted into the first clamping groove (1-2), and the other end of the circuit board is overlapped on the boss (2-3) and abutted to the bottom plate body (2-1).

5. A microwave radar apparatus according to claim 2,

microwave radar module includes shield cover (4) and microwave radar component (5), shield cover (4) are U type structure, insert the opening side of the U type structure of shield cover (4) the installation intracavity of safety cover (1), microwave radar component (5) are located in the U type structure, in order to incite somebody to action the signal reception direction and the signal transmission direction restriction of microwave radar component (5) are for with the opening direction of U type structure is the same.

6. A microwave radar apparatus as in claim 5,

the protective cover (1) further comprises a second clamping groove (1-3) and a third clamping groove (1-5);

the shielding case (4) comprises a first plate (4-1), a second plate (4-2) and a third plate (4-3), the first plate (4-1) and the second plate (4-2) are parallel and oppositely arranged, the first plate (4-1) is connected with the second plate (4-2) through the third plate (4-3), the first plate (4-1) is inserted into the third clamping groove (1-5), and the second plate (4-2) is inserted into the second clamping groove (1-3).

7. A microwave radar apparatus according to claim 6,

the shell further comprises a bottom plate (2), the bottom plate (2) comprises a bottom plate body (2-1), reinforcing ribs (2-2) are arranged on the bottom plate body (2-1), and the third plate (4-3) is abutted to the reinforcing ribs (2-2).

8. A microwave radar apparatus as in claim 5,

the microwave radar antenna is characterized in that a plurality of mounting clamping grooves (4-4) are formed in the shielding cover (4), and the microwave radar element (5) is clamped on the mounting clamping grooves (4-4).

9. A microwave radar apparatus according to claim 4,

a limiting groove (1-4) is formed in the protective cover (1), the limiting groove (1-4) is formed in the inner wall surface of the opening of the protective cover (1), and the edge of one side of the bottom plate (2) is inserted into the limiting groove (1-4);

the protective cover is characterized in that a limiting convex edge (1-6) is arranged on the protective cover (1), the limiting convex edge is arranged on a wall surface which is parallel to and opposite to the limiting groove (1-4), a limiting clamping hook (2-4) is arranged on one side edge of the bottom plate (2), and the limiting clamping hook (2-4) is connected with the limiting convex edge (1-6) in a clamping mode.

10. A microwave radar apparatus according to claim 2,

the protective cover (1) comprises a fixing plate (1-1), the fixing plate (1-1) is symmetrically arranged on the outer edge of the opening of the installation cavity along the axis of the protective cover (1), and fixing holes are formed in the fixing plate (1-1).