CN211603541U

CN211603541U - Microwave radar and movable platform

Info

Publication number: CN211603541U
Application number: CN201921889618.2U
Authority: CN
Inventors: 黄稀荻
Original assignee: SZ DJI Technology Co Ltd
Current assignee: SZ DJI Technology Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-09-29
Anticipated expiration: 2029-11-04

Abstract

The embodiment of the utility model provides a microwave radar and movable platform, wherein, the microwave radar includes: the motor comprises a stator and a rotor which is rotatably connected with the stator; the rotating body is provided with a signal processing module for transmitting radar signals and receiving echo signals; the rotating body comprises a middle connecting plate and at least one side plate connected with the middle connecting plate, and the middle connecting plate is connected with the rotor; when the rotor drives the middle connecting plate to rotate, the middle connecting plate drives the side plate to rotate around the motor in the circumferential direction, a rotating space is formed between the middle connecting plate and the side plate, and at least part of the motor is located in the rotating space. The embodiment of the utility model provides a technical scheme for microwave radar's structural configuration is rationalized more, has greatly improved space utilization, effectively dwindles microwave radar's shared space.

Description

Microwave radar and movable platform

Technical Field

The utility model relates to a remote sensing equipment technical field especially relates to microwave radar and movable platform.

Background

The radar is an active remote sensing device and can be applied to unmanned aerial vehicles and vehicles to realize the obstacle avoidance function of the unmanned aerial vehicles and the vehicles.

Among the radar equipment that uses at present, mostly including the motor and with the radar module of motor connection, because structural layout has certain defect, the space that consequently makes current radar equipment need occupy is very big, is unfavorable for the miniaturization and the lightweight of whole device. On some platforms with requirements on the volume of the equipment, the radar equipment cannot be installed or the installation process is very troublesome, so that the application range of the radar equipment is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention has been made to provide a microwave radar and a movable platform that solve the above problems.

In an embodiment of the present invention, there is provided a microwave radar, including:

the motor comprises a stator and a rotor which is rotatably connected with the stator;

the rotating body is provided with a signal processing module for transmitting radar signals and receiving echo signals; the rotating body comprises a middle connecting plate and at least one side plate connected with the middle connecting plate, and the middle connecting plate is connected with the rotor;

when the rotor drives the middle connecting plate to rotate, the middle connecting plate drives the side plate to rotate around the motor in the circumferential direction, a rotating space is formed between the middle connecting plate and the side plate, and at least part of the motor is located in the rotating space.

Correspondingly, the embodiment of the utility model also provides a movable platform, which comprises a movable platform body and a microwave radar arranged on the movable platform body;

the microwave radar includes:

The embodiment of the utility model provides a technical scheme, the rotation space that the rotator formed when rotating is the shared maximum space of rotator when using promptly, the motor at least part is located the rotation space, that is to say that the motor is at least partially embedded in the shared space of rotator, structural configuration make full use of space between motor and the rotator, make microwave radar's structural configuration rationalize more, space utilization has greatly been improved, thereby effectively reduce microwave radar's shared space, make microwave radar be applicable to on more platforms.

Drawings

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

Fig. 1 is a schematic structural diagram of a microwave radar according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a rotating body according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a rotating body according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a microwave radar according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of a dotted line portion in fig. 4.

Detailed Description

In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all 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.

It should be noted that the terms "first" and "second" in the description of the present invention are used merely for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The space that present used radar equipment needs to occupy is very big, for example, the structure about the mode of setting up of radar module and motor, and radar equipment's height is radar module and the height of motor, and in the direction of height, radar equipment's shared space is great, is unfavorable for the miniaturization and the lightweight of whole device. On some platforms with requirements on the volume of the equipment, the radar equipment cannot be installed or the installation process is very troublesome, so that the application range of the radar equipment is reduced.

To the above problem, the utility model provides a microwave radar and movable platform for the structural configuration of microwave radar rationalizes more, has greatly improved space utilization, effectively dwindles the shared space of microwave radar.

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below and the features of the embodiments can be combined with each other without conflict. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Fig. 1 is a schematic structural diagram of a microwave radar according to an embodiment of the present invention, as shown in fig. 1.

In an embodiment of the present invention, there is provided a microwave radar, including: a motor 10 and a rotating body 20. The motor 10 is used to drive the rotating body 20 to rotate. Referring to fig. 1 to 3, the motor 10 includes a stator 11 and a rotor 12 rotatably coupled to the stator 11. The rotating body 20 is provided with a signal processing module for transmitting radar signals and receiving echo signals; the rotating body 20 includes an intermediate connecting plate 21 and at least one side plate 22 connected to the intermediate connecting plate 21, and the intermediate connecting plate 21 is connected to the rotor 12. When the rotor 12 drives the middle connecting plate 21 to rotate, the middle connecting plate 21 drives the side plate 22 to rotate around the circumferential direction of the motor 10, the middle connecting plate 21 and the side plate 22 form a rotating space, and at least part of the motor 10 is located in the rotating space.

The embodiment of the utility model provides a technical scheme, the rotation space that rotator 20 formed when rotating is the shared maximum space of rotator 20 when using promptly, 10 at least parts of motor are located the rotation space, that is to say that 10 at least parts of motor are embedded in the shared space of rotator 20, structure layout make full use of space between motor 10 and the rotator 20, make the structure layout of microwave radar rationalize more, greatly improved space utilization, thereby effectively reduce the shared space of microwave radar, make microwave radar be applicable to on more platforms. For example, the height of the microwave radar is the height of the rotating body 20 plus a part of the height of the motor 10, and if the motor 10 is located in the rotating space, the height of the microwave radar is only the height of the rotating body 20.

The embodiment of the utility model provides an in technical scheme except being applicable to the microwave radar, still be applicable to including but not limited to millimeter wave radar and laser radar. Microwave radars may be used to detect objects, such as obstacles, measure the distance, rate of change of distance, azimuth, altitude, etc., of an object to the point of transmission of the microwave radar. In some embodiments, the microwave radar may be used in an unmanned aerial vehicle, such as an agricultural drone. The microwave radar can also be used on equipment such as unmanned vehicles, ground remote controllers and the like, but is not limited to the equipment, and the microwave radar can also be used on other devices or equipment.

Further, referring to fig. 2 and 3, one possible arrangement of the side plate 22 is that the side plate 22 is disposed opposite to the side of the motor 10 and extends in the height direction of the motor 10. According to the arrangement mode, the motor 10 and the side plate 22 are arranged side by side along the radial direction of the rotation circle of the rotor 12, the extending direction of the side plate 22 is the same as the height direction of the motor 10, when the middle connecting plate 21 drives the side plate 22 to rotate, the side plate 22 rotates around the side face of the motor 10, at least part of the motor 10 is wrapped in a rotating space formed by the side plate 22 and the middle connecting plate 21, the space utilization rate is greatly improved, and therefore the occupied space of the microwave radar is effectively reduced.

In a practical embodiment of the present invention, as shown in fig. 1 to 3, the number of the side plates 22 is two, and the two side plates 22 are respectively connected to two opposite ends of the middle connecting plate 21. The motor 10 is positioned between the two side plates 22 and is fixedly connected with the middle part of the middle connecting plate 21 through the rotor 12. The motor 10 is located between the two side plates 22, so that the occupied space of the microwave radar in the vertical direction can be effectively reduced, for example, the height of the microwave radar is the height of the rotating body 20 plus a part of the height of the motor 10, for example, when the motor 10 is located in the rotating space, the height of the microwave radar is only the height of the rotating body 20. The rotor 12 and the stator 11 of the motor 10 are located in the rotating space formed when the rotating body 20 rotates, and therefore the space cannot be occupied additionally, the overall size of the microwave radar is reduced, the microwave radar can be applied to equipment sensitive to the size more conveniently, and the application range of the microwave radar is widened.

According to different setting requirements, in the embodiment of the present invention, the side plate 22 can be connected with the middle connecting plate 21 through the end portion; or the side plates 22 are connected to the intermediate link plate 21 through intermediate regions at both ends. Of course, the embodiment of the present invention is not limited to the connection manner between the side plate 22 and the intermediate connecting plate 21.

In the embodiment of the present invention, the rotating body 20 can be a bracket for installing the signal processing module, and the signal processing module can be used for transmitting radar signals and receiving echo signals. Or the signal processing module is composed of at least two sub-components, which enclose the rotating body 20. In the above or below embodiments, the rotating body 20 may be referred to as a bracket for mounting a signal processing module, or may be referred to as a signal processing module.

The rotating body 20 is taken as an example of a bracket for mounting the signal processing module. In an embodiment of the present invention, the middle connecting plate 21 and the side plate 22 are respectively provided with an antenna board, a digital signal processing board and a radio frequency board. The antenna board, the digital signal processing board and the radio frequency board are coupled with each other to form a signal processing module. For example, the rotating body 20 includes a middle connecting plate 21 and two side plates 22, the middle connecting plate 21 is provided with an antenna board, one side plate 22 is provided with a digital signal processing board, and the other side plate 22 is provided with a radio frequency board. The antenna board comprises a transmitting antenna and a receiving antenna, the radio frequency board radiates radar signals outwards through the transmitting antenna, the receiving antenna receives echo signals and sends the echo signals to the digital signal processing board, the digital signal processing board processes the received echo signals, for example, the echo signals are amplified, interference signals are filtered, the echo signals are converted into radar data signals, and the converted radar data signals can be used for control, terminal observation and/or recording and the like of back-end equipment.

Further, referring to fig. 4, the microwave radar is further provided with a height-fixing plate 23, and the height-fixing plate 23 is disposed on the side plate 22 and coupled with the digital signal processing board, and can be used for measuring the height of the microwave radar. To better fulfill the function of detecting objects of the microwave radar, in an implementable embodiment of the present invention, the rotation axis of the rotating body 20 is parallel to the yaw axis of the movable platform body. Under the arrangement mode, when the microwave radar detects an object, the distance change rate, the direction, the height and the like from the object to the transmitting point of the microwave radar can be measured more accurately.

Referring to fig. 4 and 5, in an implementable embodiment of the invention, the electric machine 10 further comprises a housing 13, the housing 13 having a receiving cavity open at one end. The stator 11 is connected with the shell 13 and covers the opening, and the stator 11 is provided with a mounting hole. The rotor 12 includes a connecting shaft 121, and a first rotating disk 122 and a second rotating disk 123 disposed at opposite ends of the connecting shaft 121. The connecting shaft 121 and the mounting hole are rotatably sleeved, the first rotating disc 122 is located inside the accommodating cavity, the second rotating disc 123 is located outside the accommodating cavity, and the connecting shaft 121, the first rotating disc 122 and the second rotating disc 123 can synchronously rotate. The intermediate link plate 21 is connected to the second turntable 123. Under this kind of mode of arrangement, the partly sunken setting in casing 13 of rotor 12 can effectively reduce the height of motor 10 to further reduce the height of microwave radar, reduced the holistic volume of microwave radar, can effectively reduced the occupation space of microwave radar in vertical direction. The microwave radar may be mounted to other devices, such as unmanned aerial vehicles, unmanned vehicles, and ground-based remote controls, via the housing 13 of the motor 10.

Further, with continued reference to fig. 4 and 5, a wireless power supply assembly 30 is further disposed in the accommodating cavity, and the wireless power supply assembly 30 is electrically connected to the rotating body 20. The wireless power supply assembly 30 is used to supply power to the rotator 20. The wireless power supply assembly 30 is disposed in the housing 13 of the motor 10, so that the space occupied by the microwave radar can be further reduced. The wireless power supplying module 30 may be connected to an external power source through a cable, or the wireless power supplying module 30 may be electrically connected to the external power source in a wireless manner. For example, when the wireless power supply module 30 is connected to an external power source through a cable, the wireless power supply module 30 may be electrically connected to the cable through a coupler, the cable transmits power provided by the external power source to the wireless power supply module 30, and the wireless power supply module 30 wirelessly transmits the power to the rotating body 20. Of course, the wireless power supply assembly 30 may also transmit power to other components of the microwave radar that require power.

In an implementation example, the wireless power supply module 30 includes a power transmitting terminal 31 and a power receiving terminal 32. The power transmitting terminal 31 is fixedly attached to the housing 13. The power receiving terminal 32 is disposed on a side of the first turntable 122 facing the power transmitting terminal 31, and is disposed opposite to the power transmitting terminal 31, and the power receiving terminal 32 is electrically connected to the rotating body 20. The power transmitting terminal 31 is electrically connected to an external power source, for example, by a cable or wirelessly. The power transmitting terminal 31 may transmit power to the power receiving terminal 32 in a wireless manner. The power receiving terminal 32 is electrically connected to the rotating body 20, receives the power transmitted from the power transmitting terminal 31, and provides the power to the rotating body 20 to provide the power to the rotating body 20. The power receiving terminal 32 may supply power to the rotator 20 through a cable or supply power to the rotator 20 through a wireless manner.

For example, the power transmitting end 31 includes, but is not limited to, a transmitting coil, and the power receiving end 32 includes, but is not limited to, a receiving coil, and power is transmitted between the transmitting coil and the receiving coil through wireless power supply. In one implementation, electrical energy is transferred between the sending coil and the receiving coil by electromagnetic induction. The transmitting coil is connected with an alternating current, and a current is generated on the receiving coil by electromagnetic induction, thereby transmitting electric energy from the electric energy transmitting terminal 31 to the electric energy receiving terminal 32. Alternatively, the electric energy may be transmitted between the electric energy transmitting terminal 31 and the electric energy receiving terminal 32 through magnetic resonance or other forms.

In one implementation, the power transmitting end 31 is fixedly connected to the housing 13, and the power transmitting end 31 further includes a transmitting coil rack, which supports a transmitting coil, and is fixedly connected to the housing 13. The power receiving end 32 is bonded or otherwise attached to the first hub 122 by fasteners. Alternatively, the power receiving end 32 includes a receiving bobbin that supports the receiving coil, and the receiving bobbin is fixedly connected to the first turntable 122. The sending coil and the receiving coil are arranged oppositely, the distance between the electric energy sending end 31 and the electric energy receiving end 32 is small, the transmission effect is good, and the influence of other parts is not easy to affect. As shown in fig. 5, the power transmitting end 31 may be located below the power receiving end 32, i.e., the power transmitting end 31 is located at a side of the power receiving end 32 away from the second turntable 123. Alternatively, the power transmitting terminal 31 is located above the power receiving terminal 32, i.e., the power transmitting terminal 31 is located on the side of the power receiving terminal 32 close to the second turntable 123.

Note that, in the embodiment of the present invention, the electric power receiving terminal 32 rotates with the rotation of the rotor 12 of the motor 10, and the electric power transmitting terminal 31 is fixed. The power receiving end 32 is fixedly connected to the rotor 12 of the motor 10, and the rotor 12 drives the power receiving end 32 to rotate, so that the power receiving end 32 and the rotating body 20 rotate together, and the power receiving end 32 and the rotating body 20 are electrically connected. In other embodiments, it is understood that the power receiving end 32 and the power transmitting end 31 may both rotate as the rotating body 20 rotates. For example, the power input of the power transmitting terminal 31 itself is obtained by connecting with an external power source in a wireless manner, and the power transmitting terminal 31 may also rotate along with the rotation of the rotating body 20, which is not limited in the embodiments of the present invention. For can continuously transmit the electric energy steadily between guaranteeing electric energy receiving terminal 32 and the electric energy sending terminal 31 when rotatory, the embodiment of the utility model provides an in, electric energy receiving terminal 32 and electric energy sending terminal 31 all roughly are discoid.

Further, with continued reference to fig. 4 and 5, in an embodiment of the present invention, the microwave radar further includes a wireless communication component, and the wireless communication component is electrically connected to the wireless power supply component 30 and the rotating body 20, respectively. The wireless communication component can be used for transmitting communication signals between the signal processing module and external equipment, for example, transmitting control signals of the external equipment to the signal processing module, and transmitting radar data signals generated by the signal processing module to external devices, for example, the external equipment includes but is not limited to a master controller of an unmanned aerial vehicle and the like.

In an implementable embodiment of the invention, the wireless communication component comprises a first signal terminal 40 and a second signal terminal 41. The first signal terminal 40 and the second signal terminal 41 are oppositely arranged, and the first signal terminal 40 is in wireless communication connection with the second signal terminal 41. For example, one way to achieve this is that the first signal terminal 40 is used to send a control signal to the second signal terminal 41, and the second signal terminal 41 is used to send a radar data signal to the first signal terminal 40. The first signal terminal 40 may receive a control signal of an external device through a cable or wirelessly and transmit the control signal to the second signal terminal 41 wirelessly. The second signal terminal 41 is connected to the signal processing module on the rotating body 20, and transmits a control signal to the signal processing module to control the signal processing module. The signal processing module transmits the generated radar data signal to the second signal end 41, the second signal end 41 transmits the radar data signal to the first signal end 40 in a wireless mode, and the first signal end 40 transmits the radar data signal to external equipment in a cable or wireless mode.

With continued reference to fig. 4 and 5, in an embodiment of the present invention, the first signal terminal 40 is located in the accommodating cavity and includes a first communication board 401 and a first control board 402. The first communication board 401 is fixedly connected to the stator 11. The first control board 402 is fixedly connected to the housing 13, and the first control board 402 is communicatively connected to the first communication board 401. The first signal terminal 40 is disposed in the housing 13 of the motor 10, so that the space of the housing 13 can be fully utilized, thereby further reducing the occupied space of the microwave radar. Meanwhile, the first signal end 40 is divided into two parts, so that components on the first signal end 40 can be distributed, the occupied space of the first signal end 40 in the transverse direction is reduced, and the utilization of the space is facilitated. The first communication board 401 and the first control board 402 can be connected by a cable or wirelessly. The first signal terminal 40 wirelessly communicates with an external device and the second signal terminal 41 via the first communication board 401, and processes signals via the first control board 402. The first communication board 401 may implement wireless transmission of signals in the form of a wireless lan, bluetooth, microwave, or the like.

With continued reference to fig. 4 and 5, in an embodiment of the present invention, the second signal terminal 41 includes a second communication board 411 and a second control board 412. The second communication board 411 is located in the receiving cavity and disposed on a side of the first rotary plate 122 facing the stator 11. The second control board 412 is fixedly connected to the intermediate connecting board 21, and the second control board 412 is in communication connection with the second communication board 411. The second communication board 411 of the second signal terminal 41 is disposed in the housing 13 of the motor 10, so that the space of the housing 13 can be fully utilized, thereby further reducing the occupied space of the microwave radar. The second signal terminal 41 is divided into two parts, so that components on the second signal terminal 41 can be distributed, the occupied space of the second signal terminal 41 in the transverse direction is reduced, and the utilization of space is facilitated.

The second communication board 411 and the second control board 412 can be connected by a cable or wirelessly, and the second communication board 411 and the signal processing module on the rotating body 20 can be connected by a cable or wirelessly. The second signal terminal 41 wirelessly communicates with the signal processing module and the first signal terminal 40 on the rotating body 20 through the second communication board 411, and processes the signal through the second control board 412. The second communication board 411 may implement wireless transmission of signals in the form of a wireless lan, bluetooth, microwave, or the like.

In the embodiment of the present invention, the second signal terminal 41 rotates with the rotation of the rotor 12 of the motor 10, and the first signal terminal 40 is fixed. In other embodiments, it is understood that the first signal terminal 40 and the second signal terminal 41 may both rotate as the rotor 12 rotates. For example, when the first signal terminal 40 is wirelessly connected to an external device, the first signal terminal 40 may also rotate along with the rotation of the rotor 12, and the embodiment of the present invention is not limited thereto. In order to ensure that the signal can be continuously and stably transmitted between the first signal terminal 40 and the second signal terminal 41 during rotation, in the embodiment of the present invention, the first signal terminal 40 and the second signal terminal 41 are both substantially in the shape of a disc.

Example 2

On the basis of embodiment 1, the embodiment of the utility model provides a still provide a movable platform, including movable platform body and the microwave radar of setting on movable platform body. The microwave radar can be implemented by the microwave radar described in embodiment 1 above. Movable platforms include, but are not limited to, unmanned aerial vehicles, unmanned vehicles, and ground-based remote control humans.

Specifically, the movable platform comprises a movable platform body and a microwave radar arranged on the movable platform body.

Wherein, microwave radar includes: a motor 10 and a rotating body 20. The motor 10 includes a stator 11 and a rotor 12 rotatably coupled to the stator 11. The rotating body 20 is provided with a signal processing module for transmitting radar signals and receiving echo signals; the rotating body 20 includes an intermediate connecting plate 21 and at least one side plate 22 connected to the intermediate connecting plate 21, and the intermediate connecting plate 21 is connected to the rotor 12. When the rotor 12 drives the middle connecting plate 21 to rotate, the middle connecting plate 21 drives the side plate 22 to rotate around the circumferential direction of the motor 10, the middle connecting plate 21 and the side plate 22 form a rotating space, and at least part of the motor 10 is located in the rotating space.

The embodiment of the utility model provides a technical scheme can realize movable platform's obstacle avoidance function through the microwave radar. The rotation space that rotator 20 formed when rotating among the microwave radar is the shared biggest space of rotator 20 when using promptly, motor 10 at least part is located the rotation space, that is to say that motor 10 is at least partly embedded in the shared space of rotator 20, the space has been fully utilized to the structural layout between motor 10 and the rotator 20, make the structural layout of microwave radar rationalize more, greatly improved space utilization, thereby effectively reduce the shared space of microwave radar, make microwave radar be applicable to on more platforms. For example, the height of the microwave radar is the height of the rotating body 20 plus a part of the height of the motor 10, and if the motor 10 is located in the rotating space, the height of the microwave radar is only the height of the rotating body 20.

Further, the motor 10 further includes a housing 13, and the housing 13 has an accommodating cavity with one end open. The stator 11 is connected with the shell 13 and covers the opening, and the stator 11 is provided with a mounting hole. The rotor 12 includes a connecting shaft 121, and a first rotating disk 122 and a second rotating disk 123 disposed at opposite ends of the connecting shaft 121. The connecting shaft 121 and the mounting hole are rotatably sleeved, the first rotating disc 122 is positioned in the accommodating cavity, the second rotating disc 123 is positioned outside the accommodating cavity, and the connecting shaft 121, the first rotating disc 122 and the second rotating disc 123 can synchronously rotate; the intermediate link plate 21 is connected to the second turntable 123. Under this kind of mode of arrangement, the partly sunken setting in casing 13 of rotor 12 can effectively reduce the height of motor 10 to further reduce the height of microwave radar, reduced the holistic volume of microwave radar, can effectively reduced the occupation space of microwave radar in vertical direction. The microwave radar is connected with the movable platform body through the shell 13. The movable platform body includes, but is not limited to, a fuselage of an unmanned aerial vehicle, a body of an unmanned vehicle, and a body of a ground remote control person.

To better fulfill the function of detecting objects of the microwave radar, in an implementable embodiment of the present invention, the rotation axis of the rotating body 20 is parallel to the yaw axis of the movable platform body. Under the arrangement mode, when the microwave radar detects an object, the distance change rate, the direction, the height and the like from the object to the transmitting point of the microwave radar can be measured more accurately.

It should be noted that the technical solutions of the microwave radar described in embodiment 2 and the technical solution described in embodiment 1 may be referred to and referred to each other, and are not described herein again.

To sum up, the embodiment of the utility model provides a technical scheme, the rotation space that the rotator formed when rotating is the shared maximum space of rotator when using promptly, the motor at least part is located the rotation space, that is to say that the motor is at least partially embedded in the shared space of rotator, structure overall arrangement make full use of space between motor and the rotator, make microwave radar's structure overall arrangement rationalize more, greatly improved space utilization, thereby effectively reduce microwave radar's shared space, make microwave radar be applicable to on more platforms. For example, the height of the microwave radar is the height of the rotating body plus a part of the height of the motor, and if the motor is located in the rotating space, the height of the microwave radar is only the height of the rotating body.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A microwave radar, comprising:

2. The microwave radar according to claim 1, wherein the side plate is disposed opposite to a side surface of the motor and extends in a height direction of the motor.

3. The microwave radar as recited in claim 1, wherein there are two side plates, and the two side plates are respectively connected to opposite ends of the intermediate link plate;

the motor is positioned between the two side plates and is fixedly connected with the middle part of the middle connecting plate through the rotor.

4. A microwave radar as recited in claim 3, wherein said side plates are connected to said intermediate tie plate by end portions; or

The side plates are connected with the middle connecting plate through middle areas positioned at two ends.

5. The microwave radar as recited in claim 1, wherein an antenna board, a digital signal processing board and a radio frequency board are respectively disposed on the intermediate connecting board and the side board;

the antenna board, the digital signal processing board and the radio frequency board are coupled with each other to form the signal processing module.

6. A microwave radar according to any one of claims 1 to 5 wherein the motor further comprises a housing having a receiving cavity open at one end;

the stator is connected with the shell and covers the opening, and a mounting hole is formed in the stator;

the rotor comprises a connecting shaft, a first rotating disc and a second rotating disc, wherein the first rotating disc and the second rotating disc are arranged at two opposite ends of the connecting shaft; the connecting shaft is rotatably sleeved with the mounting hole, the first rotary disc is positioned in the accommodating cavity, the second rotary disc is positioned outside the accommodating cavity, and the connecting shaft, the first rotary disc and the second rotary disc can synchronously rotate;

the middle connecting plate is connected with the second turntable.

7. The microwave radar as recited in claim 6, wherein a wireless power supply assembly is further disposed in the accommodating chamber, and the wireless power supply assembly is electrically connected to the rotating body.

8. The microwave radar of claim 7, wherein the wireless power supply assembly includes an electrical energy transmitting end and an electrical energy receiving end;

the electric energy sending end is fixedly connected to the shell;

the electric energy receiving end is arranged on one surface, facing the electric energy sending end, of the first rotating disc and is arranged opposite to the electric energy sending end, and the electric energy receiving end is electrically connected with the rotating body.

9. A microwave radar as recited in claim 7, further comprising a wireless communication component electrically coupled to the wireless power supply component and the rotator, respectively.

10. The microwave radar of claim 9 wherein the wireless communication assembly includes a first signal terminal and a second signal terminal;

the first signal end and the second signal end are arranged oppositely, and the first signal end is in wireless communication connection with the second signal end.

11. The microwave radar of claim 10, wherein the first signal terminal is located in the accommodating cavity and includes a first communication board and a first control board;

the first communication board is fixedly connected with the stator;

the first control panel is fixedly connected to the shell, and the first control panel is in communication connection with the first communication panel.

12. The microwave radar of claim 10 wherein the second signal terminal includes a second communication board and a second control board;

the second communication plate is positioned in the accommodating cavity and arranged on one surface of the first rotating disc facing the stator;

the second control panel is fixedly connected to the middle connecting plate, and the second control panel is in communication connection with the second communication plate.

13. A movable platform is characterized by comprising a movable platform body and a microwave radar arranged on the movable platform body;

the microwave radar includes:

14. The movable platform of claim 13, wherein the motor further comprises a housing having a receiving cavity open at one end;

the rotor comprises a connecting shaft, a first rotating disc and a second rotating disc, wherein the first rotating disc and the second rotating disc are arranged at two opposite ends of the connecting shaft; the connecting shaft is rotatably sleeved with the mounting hole, the first rotary disc is positioned in the accommodating cavity, the second rotary disc is positioned outside the accommodating cavity, and the connecting shaft, the first rotary disc and the second rotary disc can synchronously rotate; the middle connecting plate is connected with the second turntable;

the microwave radar is connected with the movable platform body through the shell.

15. The movable platform of claim 13, wherein the axis of rotation of the rotating body is parallel to a yaw axis of the movable platform body.