CN219201902U

CN219201902U - Millimeter wave radar capable of preventing vibration deflection

Info

Publication number: CN219201902U
Application number: CN202222784054.4U
Authority: CN
Inventors: 黄宁; 邓华军; 杨飞
Original assignee: Jiangxi Suolide Measuring Instrument Co ltd
Current assignee: Jiangxi Suolide Measuring Instrument Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-06-16
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a millimeter wave radar capable of preventing vibration deflection, which comprises a base, wherein a shielding plate is arranged in the base, the shielding plate can shield interference of a power supply on signals in the base, a mounting plate is arranged below the base, a plurality of mounting holes are formed in the periphery of the mounting plate, first bolts are connected in the mounting holes in a threaded manner, and a fixing mechanism is arranged in the base and used for fixing millimeter wave generating elements in the radar: the installation is convenient, and the service life and the structural stability are improved.

Description

Millimeter wave radar capable of preventing vibration deflection

Technical Field

The utility model relates to the technical field of millimeter wave radars, in particular to a millimeter wave radar capable of preventing vibration deflection.

Background

The millimeter wave radar is a radar which works in millimeter wave band detection, the millimeter wave is usually 30-300 GHz frequency domain (the wavelength is 1-10 mm), the wavelength of the millimeter wave is between microwave and centimeter wave, therefore, the millimeter wave radar has the advantages of both the microwave radar and the photoelectric radar, the millimeter wave radar antenna is small in size and light in weight, the special environment requirements of different platforms such as portability, missile loading, vehicle-mounted, airborne and satellite loading are easily met, the millimeter wave radar has strict requirements on the volume, weight and vibration of an installation platform when being installed, the installation environment can influence the millimeter wave radar, meanwhile, the millimeter wave radar needs to have certain severe environment resistance, the current millimeter wave radar can deflect due to the vibration of the installation platform in the use process, the precision of the millimeter wave radar is influenced, meanwhile, the vibration can lead to the looseness of a radio frequency main board and a shell, thereby leading to the failure of the millimeter wave radar or the existence of errors of detection results, the vibration leads to the deflection of elements, the millimeter wave radar body can lead to gaps, the sewage can lead to the damage of the radar after entering, and the service life of the millimeter wave radar is influenced.

Disclosure of Invention

The utility model solves the problems, and provides the millimeter wave radar which can improve the connection effect of the radio frequency main board and the base and prevent the radio frequency main board from deflecting by adding the limiting clamping block at the splicing position in a splicing and colloid bonding mode, and meanwhile, the sealing gasket and the waterproof ventilated membrane are arranged in the base and below the top cover, so that the service life of the element is prolonged and vibration deflection is prevented.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a prevent millimeter wave radar of vibrations deflection, includes the base, be equipped with the shield plate in the base, the shield plate can shield the interference of power to the signal in the base, be equipped with the mounting panel below the base, be equipped with a plurality of mounting hole along circumference on the mounting panel, threaded connection has first bolt in the mounting hole, be equipped with fixed establishment in the base, fixed establishment is including accepting the ring, accept intra-annular front and back side department symmetry and be equipped with the draw-in groove, accept intra-annular bilateral symmetry and be equipped with the sand grip, accept intra-annular and be equipped with the radio frequency motherboard, be equipped with two fixture blocks that are located the draw-in groove respectively on the radio frequency motherboard, the radio frequency motherboard both sides all are equipped with the recess that holds the sand grip, accept and cup jointed the lid on the ring, be equipped with the top cap above the lid, fixed establishment is used for fixing the millimeter wave generating element in the radar.

The side surfaces of the base and the cover body are respectively provided with a plurality of first screw holes corresponding to the positions.

The side surface of the bearing ring is provided with a second screw groove corresponding to the first screw hole, and the second screw groove is in threaded connection with the first bolt.

The waterproof breathable film is arranged on the inner side surface of the base, and can discharge water vapor generated by heating inside the shell base, and meanwhile, the water vapor or sundries outside the base can be isolated.

The top cap, lid are all equipped with the connecting hole above, connecting hole internal thread connection has the second bolt, be equipped with the silica gel piece below the second bolt and compress tightly at the radio frequency motherboard edge when the second bolt is installed, increase the stability of radio frequency motherboard.

A sealing ring is arranged between the top cover and the cover body to prevent water seepage caused by gaps between the top cover and the cover body.

The edge of the radio frequency main board is provided with a ring groove, colloid is arranged in the ring groove, the colloid is fixed below the cover body, the radio frequency main board is connected with the cover body through the colloid, the shaking of the radio frequency main board due to a tiny gap can be reduced, and a closed space is formed among the radio frequency main board, the cover body, the top cover and the ring groove.

The utility model has the advantages that: the anti-deception device is simple in installation and maintenance, a plurality of elements are spliced together, a plurality of bolts are used for positioning and fixing, the receiving ring is matched with the radio frequency main board, the anti-deception rotation limit is further carried out on the radio frequency main board through the clamping blocks and the clamping grooves, the stability of the anti-deception device is improved, the sealing ring is arranged between the top cover and the cover body, the sealing performance of the radio frequency main board in the base is improved, the waterproof breathable film can discharge water vapor generated by heating inside the base of the shell, and meanwhile, the water vapor or sundries outside the base can be isolated, so that the service life of the anti-deception device is prolonged.

Drawings

Fig. 1 is a schematic diagram of an explosive structure of the present utility model.

Fig. 2 is an external view of the present utility model.

Fig. 3 is a schematic view of a second bolt structure of the present utility model.

As shown in the figure: 1. a base; 2. a shielding plate; 3. a mounting plate; 4. a mounting hole; 5. a first bolt; 6. a fixing mechanism; 7. a receiving ring; 8. a clamping groove; 9. a convex strip; 10. a radio frequency main board; 11. a clamping block; 12. a groove; 13. a cover body; 14. a top cover; 15. a first screw hole; 16. a second screw groove; 17. a waterproof breathable film; 18. a connection hole; 19. a second bolt; 20. a silica gel block; 21. a seal ring; 22. a ring groove; 23. and (5) colloid.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The millimeter wave radar comprises a base 1, a shielding plate 2 is arranged in the base 1, the shielding plate 2 can shield the interference of a power supply to signals in the base 1, a mounting plate 3 is arranged below the base 1, a plurality of mounting holes 4 are circumferentially arranged on the mounting plate 3, first bolts 5 are connected with first screw holes 15 in a threaded mode, a fixing mechanism 6 is arranged in the base 1, the fixing mechanism 6 comprises a receiving ring 7, clamping grooves 8 are symmetrically arranged at the front side and the rear side in the receiving ring 7, raised strips 9 are symmetrically arranged at the two sides in the receiving ring 7, a radio frequency main board 10 is arranged in the receiving ring 7, two clamping blocks 11 respectively arranged in the clamping grooves 8 are arranged on the radio frequency main board 10, grooves 12 for accommodating the raised strips 9 are formed in the two sides of the radio frequency main board 10, a cover body 13 is sleeved on the receiving ring 7, a top cover 14 is arranged on the cover body 13, and the fixing mechanism 6 is used for fixing elements in the radar.

The side surfaces of the base 1 and the cover 13 are respectively provided with a plurality of first screw holes 15 corresponding to the positions.

The side surface of the receiving ring 7 is provided with a second screw groove 16 corresponding to the first screw hole 15, and the second screw groove 16 is in threaded connection with the first bolt 5.

The waterproof breathable film 17 is arranged on the inner side surface of the base 1, and the waterproof breathable film 17 can discharge water vapor generated by heating inside the shell base 1 and can isolate water vapor or sundries outside the base 1.

The top cover 14 and the cover body 13 are respectively provided with a connecting hole 18, the connecting holes 18 are internally connected with second bolts 19 in a threaded manner, and silica gel blocks 20 are arranged below the second bolts 19 and are pressed on the edge of the radio frequency main board 10 when the second bolts 19 are installed, so that the stability of the radio frequency main board 10 is improved.

A sealing ring 21 is arranged between the top cover 14 and the cover body 13 to prevent water seepage caused by a gap between the top cover 14 and the cover body 13.

The edge of the radio frequency main board 10 is provided with a ring groove 22, a colloid 23 is arranged in the ring groove 22, the colloid 23 is fixed below the cover 13, the radio frequency main board 10 is connected with the cover 13 through the colloid 23, the shaking of the radio frequency main board 10 due to a tiny gap can be reduced, and a closed space is formed among the radio frequency main board 10, the cover 13, the top cover 14 and the ring groove 22.

When the utility model is in specific implementation, during installation, the radio frequency main board is placed in the receiving ring, the clamping block is placed in the clamping groove, the convex strips are aligned with the grooves, colloid is injected into the annular groove, the cover body is covered, the radio frequency main board and the shielding plate are fixed in a matched mode through the first bolt, the first screw hole and the second screw groove, at the moment, a certain distance exists between the radio frequency main board and the shielding plate, the shielding plate is prevented from influencing the work of the radio frequency main board, the sealing ring is placed on the cover body, the top cover is pressed, the top cover is fixed through the second bolt and the connecting hole in a matched mode, the silica gel block is pressed to the radio frequency main board, the second bolt is completely immersed into the top cover, and the base is fixed on the mounting platform through the mounting hole of the mounting plate.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. A millimeter wave radar for preventing vibration deflection, characterized by: including base (1), be equipped with shield plate (2) in base (1), be equipped with mounting panel (3) below base (1), be equipped with a plurality of mounting hole (4) along circumference on mounting panel (3), mounting hole (4) internal thread connection has first bolt (5), be equipped with fixed establishment (6) in base (1), fixed establishment (6) are including accepting ring (7), it is equipped with draw-in groove (8) to accept side department symmetry in ring (7), it is equipped with sand grip (9) to accept ring (7) interior bilateral symmetry, it is equipped with radio frequency mainboard (10) to accept ring (7), be equipped with two fixture blocks (11) that are located draw-in groove (8) respectively on radio frequency mainboard (10), radio frequency mainboard (10) both sides all are equipped with recess (12) that hold sand grip (9), it has lid (13) to cup jointed on ring (7), be equipped with top cap (14) above lid (13).

2. A millimeter wave radar for preventing vibration deflection according to claim 1, wherein: the side surfaces of the base (1) and the cover body (13) are respectively provided with a plurality of first screw holes (15) corresponding to the positions.

3. A millimeter wave radar for preventing vibration deflection according to claim 1, wherein: the side of the bearing ring (7) is provided with a second screw groove (16) corresponding to the first screw hole (15), and the second screw groove (16) is in threaded connection with the first bolt (5).

4. A millimeter wave radar for preventing vibration deflection according to claim 1, wherein: the inner side surface of the base (1) is provided with a waterproof breathable film (17).

5. A millimeter wave radar for preventing vibration deflection according to claim 1, wherein: the novel plastic bottle is characterized in that connecting holes (18) are formed in the top cover (14) and the cover body (13), second bolts (19) are connected with the connecting holes (18) in an internal thread mode, and silica gel blocks (20) are arranged below the second bolts (19).

6. A millimeter wave radar for preventing vibration deflection according to claim 1, wherein: a sealing ring (21) is arranged between the top cover (14) and the cover body (13).

7. A millimeter wave radar for preventing vibration deflection according to claim 1, wherein: the edge of the radio frequency main board (10) is provided with a ring groove (22), a colloid (23) is arranged in the ring groove (22), and the colloid (23) is fixed below the cover body (13).