CN216958489U

CN216958489U - Single-antenna receiving and transmitting device based on 4GHz instantaneous bandwidth automobile millimeter wave radar simulation test

Info

Publication number: CN216958489U
Application number: CN202122932834.4U
Authority: CN
Inventors: 朱骏; 李挺; 韩明波; 范太雷; 刘泽宇
Original assignee: Huaqing Ruida Tianjin Technology Co ltd
Current assignee: Huaqing Ruida Tianjin Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-07-12
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a single antenna receiving and transmitting device based on a 4GHz instantaneous bandwidth automobile millimeter wave radar simulation test, in particular to the technical field of antenna receiving and transmitting, which comprises a radar box, wherein one side of the radar box is fixedly connected with an antenna lifting mechanism, the top of the antenna lifting mechanism is fixedly connected with a signal gathering plate, the antenna lifting mechanism comprises a motor, the bottom of the motor is fixedly connected with one side of the radar box, one end of the motor, which is far away from a radar, is fixedly connected with a rotating rod, the effect of the rotating rod is achieved, the utility model can increase the signal receiving area by arranging the signal gathering plate, can achieve a certain gathering effect on signals, the motor is fixedly connected with the rotating rod, one end, which is far away from the rotating rod, of a first connecting rod is rotatably connected with a limiting rod, the top of a group of limiting blocks is fixedly connected with a first platform, and the motor is used for driving the platform to achieve the lifting effect, the antenna can avoid signal shielding and bad areas, and the receiving rate of signals is improved.

Description

Single-antenna receiving and transmitting device based on 4GHz instantaneous bandwidth automobile millimeter wave radar simulation test

Technical Field

The utility model relates to the technical field of a single-antenna receiving and transmitting device for a simulation test of an automobile millimeter wave radar based on a 4GHz instantaneous bandwidth, in particular to a single-antenna receiving and transmitting device for a simulation test of an automobile millimeter wave radar based on a 4GHz instantaneous bandwidth.

Background

With the development of radar technology and digital technology, digital radar has gained more and more attention and research. Different from the traditional phased array radar, the digital array radar is a full digital array scanning radar which adopts a digital beam forming technology for transmitting and receiving beams, and can effectively overcome the inherent defects of the traditional analog phased array radar. And as a core component required by the digital array radar, the digital T/R assembly becomes the key point of digital array research. In order to improve the resolution, the interference resistance and the target identification capability of the radar, the digital T/R component is also gradually developed towards the direction of large bandwidth. However, the existing broadband multi-channel synchronous acquisition system still has the problems of low bandwidth, poor synchronization performance, poor caching capability, poor real-time transmission of signal receiving and transmitting and the like, and restricts the digital beam synthesis effect of the array radar and influences the sight line and the resolution of the radar, so that the development of the digital array radar is limited, the radar needs a good signal receiver, and a plurality of radar receivers have certain defects;

the single-antenna receiving and transmitting device based on the 4GHz instantaneous bandwidth automobile millimeter wave radar simulation test in the prior art has the following problems:

1. the existing simulation test single-antenna transceiver device based on the 4GHz instantaneous bandwidth automobile millimeter wave radar does not have a good signal receiving aggregation device, and the situation that signal receiving is not concentrated enough to cause signal deterioration can be faced in normal use;

2. the existing simulation test single-antenna transceiver device for the automobile millimeter wave radar based on the 4GHz instantaneous bandwidth is not provided with a mechanism capable of adjusting the height, and when the simulation test single-antenna transceiver device is used at ordinary times, the situation that signals are deteriorated due to shielding or other reasons can be met, and if the height of a certain signal receiver can be adjusted to avoid a signal-poor area, the simulation test single-antenna transceiver device has a good effect on signals of a radar.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a single-antenna transceiver for simulation test of a millimeter wave radar of an automobile based on 4GHz instantaneous bandwidth, so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme: a single-antenna receiving and transmitting device based on 4GHz instantaneous bandwidth automobile millimeter wave radar simulation test comprises a radar box, wherein an antenna lifting mechanism is fixedly connected to one side of the radar box, and a signal gathering plate is fixedly connected to the top of the antenna lifting mechanism;

antenna elevating system includes the motor, motor bottom fixed connection is in radar box one side, the one end fixedly connected with dwang of radar is kept away from to the motor.

Preferably, the outer surface of the rotating rod is fixedly connected with a first connecting rod.

Preferably, one end of the first connecting rod, which is far away from the rotating rod, is rotatably connected with a limiting rod.

Preferably, a set of stopper of gag lever post both ends fixedly connected with is a set of stopper top fixedly connected with first platform.

Preferably, a group of first supporting rods is fixedly connected to the top of the first platform, and spherical limiting grooves are fixedly connected to the tops of the first supporting rods.

Preferably, a spherical limiting block is arranged in the spherical limiting groove and is rotatably connected with the spherical limiting groove.

Preferably, spherical stopper top fixedly connected with signal reception pole, one side fixedly connected with second connecting rod of radar box is kept away from to the signal reception pole, the one end fixedly connected with signal gathering plate of signal reception pole is kept away from to the second connecting rod.

Preferably, signal reception pole top fixedly connected with signal line, the signal line other end passes spherical spacing groove and first bracing piece and radar box fixed connection, one side fixedly connected with second platform that radar box is close to antenna elevating system, second platform top fixedly connected with limiting plate, one side and first platform sliding connection that the limiting plate is close to antenna elevating system, second platform top fixedly connected with second bracing piece.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the radar box, the signal gathering plate is arranged, one side, away from the radar box, of the signal receiving rod is fixedly connected with the second connecting rod, one end, away from the signal receiving rod, of the second connecting rod is fixedly connected with the signal gathering plate, the signal gathering plate can enlarge the signal receiving area, can play a certain gathering effect on signals, and has a remarkable effect on signal enhancement;

2. according to the antenna lifting mechanism, the motor is fixedly connected with the rotating rod, the outer surface of the rotating rod is fixedly connected with the first connecting rod, one end, far away from the rotating rod, of the first connecting rod is rotatably connected with the limiting rod, two ends of the limiting rod are fixedly connected with the group of limiting blocks, the top of the group of limiting blocks is fixedly connected with the first platform, the motor is used for driving the platform to achieve the lifting effect, the antenna can be prevented from a signal shielding area and a poor area, and the signal receiving rate is improved.

Drawings

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

Fig. 1 is a schematic structural view of the whole of the present invention.

Fig. 2 is a schematic structural diagram of the whole of the present invention.

Fig. 3 is a schematic structural diagram of the whole of the present invention.

Fig. 4 is a schematic structural diagram of the whole of the present invention.

In the figure: 1. a radar box; 2. an antenna elevating mechanism; 21. a motor; 211. rotating the rod; 212. a first connecting rod; 213. a limiting rod; 22. a limiting block; 221. a first platform; 222. a first support bar; 223. a spherical limiting groove; 224. a spherical stopper; 225. a signal receiving rod; 226. a second connecting rod; 227. a signal line; 23. a second platform; 231. a limiting plate; 232. a second support bar; 3. a signal collection plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Example (b): as shown in fig. 1-4, the utility model provides a single-antenna transceiver device for automobile millimeter wave radar simulation test based on 4GHz instantaneous bandwidth, which comprises a radar box 1, wherein an antenna lifting mechanism 2 is fixedly connected to one side of the radar box 1, and a signal gathering plate 3 is fixedly connected to the top of the antenna lifting mechanism 2;

antenna elevating system 2 includes motor 21, and motor 21 bottom fixed connection is in radar box 1 one side, and the one end fixedly connected with dwang 211 that radar 1 was kept away from to motor 21.

Dwang 211 surface fixed connection has head rod 212, head rod 212 can make motor 21's torsion conduct to gag lever post 213, the one end that dwang 211 was kept away from to head rod 212 is rotated and is connected with gag lever post 213, a set of stopper 22 of gag lever post 213 both ends fixedly connected with, a set of stopper 22 top fixedly connected with first platform 221, be connected through head rod 212 and dwang 211, make motor 21's power conduction to first platform 221 on, thereby drive first platform 221 and rise or descend, realize the lift of whole mechanism.

Further, a set of first bracing piece 222 of first platform 221 top fixedly connected with, first bracing piece 222 top fixedly connected with spherical spacing groove 223, it realizes the rotation of signal reception pole 225 on next step to be provided with spherical spacing groove 223, the omnidirectional position change of whole signal reception pole 225 has been realized, the possibility of signal reception is improved, spherical spacing block 224 is provided with to spherical spacing groove 223 inside, spherical spacing block 224 rotates with spherical spacing groove 223 to be connected, spherical spacing block 224 has certain frictional force with spherical spacing groove 223, realize certain fixed effect.

Further, spherical stopper 224 top fixedly connected with signal reception pole 225, one side fixedly connected with second connecting rod 226 of radar box 1 is kept away from to signal reception pole 225, and one end fixedly connected with signal aggregation board 3 that signal reception pole 225 was kept away from to second connecting rod 226, and signal aggregation board 3 can gather together the signal, strengthens signal reception pole 225's reception efficiency, strengthens the signal. The top of the signal receiving rod 225 is fixedly connected with a signal line 227, the other end of the signal line 227 passes through the spherical limiting groove 223 and the first supporting rod 222 to be fixedly connected with the radar box 1, one side of the radar box, which is close to the antenna lifting mechanism 2, is fixedly connected with the second platform 23, the top of the second platform 23 is fixedly connected with a limiting plate 231, one side of the limiting plate 231, which is close to the antenna lifting mechanism 2, is slidably connected with the first platform 221, the top of the second platform 23 is fixedly connected with a second supporting rod 232, the second supporting rod 232 is positioned at the bottom of the first platform 221 to play a certain supporting role, so that when one side of the first platform 221 inclines, one side, which is close to the second platform 23, cannot be lower than the other side of the first platform 221, the first platform 221 is enabled to slide and rise along the limiting plate 231, and the whole first platform 221 is ensured to be in a horizontal position.

The working principle is as follows: when the device is used, the motor 21 is started, the output end of the motor 21 drives the rotating rod 211 to rotate, the rotating rod 211 drives the first connecting rod 212 to rotate in the same direction, so as to drive the limiting rod 213 which is rotatably connected with the first connecting rod 212 to ascend, meanwhile, the limiting blocks 22 at the two ends of the limiting rod 213 and the first platform 221 at the top part ascend simultaneously, one side of the first platform 221 slides and contacts with the limiting plate 231 to ascend, so as to keep the whole first platform 221 at a horizontal position, the spherical limiting groove 223 at the top part of the first platform 221 and the spherical limiting block 224 ascend or descend simultaneously, so as to enable the signal receiving rod 225 at the top part of the spherical limiting block 224 to ascend or descend, so as to change the height of the signal receiving rod 225, the signal collecting plate 3 at one side of the signal receiving rod 225 is at the same horizontal position with the signal receiving rod 225 to surround the signal receiving rod 225 to collect signals, and thus enhancing the signals.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a based on 4GHz instantaneous bandwidth car millimeter wave radar simulation test single antenna send-receiver device, includes radar box (1), its characterized in that: an antenna lifting mechanism (2) is fixedly connected to one side of the radar box (1), and a signal gathering plate (3) is fixedly connected to the top of the antenna lifting mechanism (2);

antenna elevating system (2) include motor (21), motor (21) bottom fixed connection is in radar box (1) one side, the one end fixedly connected with dwang (211) of radar box (1) are kept away from in motor (21).

2. The single-antenna transceiving device for the simulation test of the automotive millimeter wave radar based on the 4GHz instantaneous bandwidth as claimed in claim 1, wherein: and a first connecting rod (212) is fixedly connected to the outer surface of the rotating rod (211).

3. The single-antenna transceiving device for the simulation test of the automotive millimeter wave radar based on the 4GHz instantaneous bandwidth as claimed in claim 2, wherein: one end, far away from the rotating rod (211), of the first connecting rod (212) is rotatably connected with a limiting rod (213).

4. The single-antenna transceiving device for the simulation test of the automotive millimeter wave radar based on the 4GHz instantaneous bandwidth as claimed in claim 3, wherein: a set of stopper (22), a set of stopper (22) of gag lever post (213) both ends fixedly connected with is a set of stopper (22) top fixedly connected with first platform (221).

5. The single-antenna transceiving device for the simulation test of the automotive millimeter wave radar based on the 4GHz instantaneous bandwidth as claimed in claim 4, wherein: the top of the first platform (221) is fixedly connected with a group of first supporting rods (222), and the top of the first supporting rods (222) is fixedly connected with a spherical limiting groove (223).

6. The single-antenna transceiving device for the simulation test of the automotive millimeter wave radar based on the 4GHz instantaneous bandwidth as claimed in claim 5, wherein: the spherical limiting block (224) is arranged in the spherical limiting groove (223), and the spherical limiting block (224) is rotatably connected with the spherical limiting groove (223).

7. The single-antenna transceiving device for the simulation test of the automotive millimeter wave radar based on the 4GHz instantaneous bandwidth as claimed in claim 6, wherein: spherical stopper (224) top fixedly connected with signal reception pole (225), one side fixedly connected with second connecting rod (226) of radar box (1) are kept away from in signal reception pole (225), one end fixedly connected with signal gathering board (3) of signal reception pole (225) are kept away from in second connecting rod (226).

8. The single-antenna transceiving device for the simulation test of the automotive millimeter wave radar based on the 4GHz instantaneous bandwidth as claimed in claim 7, wherein: signal receiving pole (225) top fixedly connected with signal line (227), spherical spacing groove (223) and first bracing piece (222) and radar box (1) fixed connection are passed to the signal line (227) other end, one side fixedly connected with second platform (23) that the radar box is close to antenna elevating system (2), second platform (23) top fixedly connected with limiting plate (231), one side and first platform (221) sliding connection that limiting plate (231) are close to antenna elevating system (2), second platform (23) top fixedly connected with second bracing piece (232).