CN112986930A

CN112986930A - Target moving device and radar detection system with same

Info

Publication number: CN112986930A
Application number: CN202011562314.2A
Authority: CN
Inventors: 齐庆杰; 赵尤信; 王海燕; 李�昊; 程会峰; 宋阳
Original assignee: Coal Science Research Institute; Liaoning Technical University
Current assignee: Coal Science Research Institute; Liaoning Technical University
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-06-18

Abstract

The invention discloses a target moving device and a radar detection system having the same. The target moving device includes a motion simulation component, a first sliding component, a second sliding component and a third sliding component. The motion simulation component For simulating the body motion characteristics of the disaster victims, the first sliding component is connected to the motion simulation component, and the first sliding component is used to drive the motion simulation component to move in a first direction, and the first sliding component is used to drive the motion simulation component to move in a first direction. The second sliding component is connected with the motion simulation component, the second sliding component is used to drive the motion simulation component to move in the second direction, and the third sliding component is connected with the motion simulation component, so The third sliding component is used to drive the motion simulating component to move in a third direction, and the first direction, the second direction and the third direction are orthogonal to each other. The target mobile device of the present invention has a wide moving range and high test accuracy.

Description

Target moving device and radar detection system with same

Technical Field

The invention relates to the technical field of radar instrument detection, in particular to a target moving device and a radar detection system with the same.

Background

Radar finds objects by radio and determines their position in space. The radar can detect a long-distance target in the daytime and at night, is not blocked by fog, cloud and rain, has the characteristics of all weather and all day long, and has certain penetrating power. Therefore, the electronic device not only becomes the necessary electronic equipment for military, but also is widely applied to the fields of weather forecast, resource detection, environment monitoring and the like, celestial body research, atmospheric physics, ionosphere structure research and the like.

In particular, ground-targeted radars can detect the precise shape of the ground with spatial resolution of several meters to tens of meters. The radar also shows good application potential in flood monitoring, sea ice monitoring, soil humidity investigation, forest resource clearing, geological investigation and life detection and rescue due to earthquake, collapse and building collapse, and the aspects of reducing casualties caused by various disasters, avoiding loss of lives and properties of people and the like. The radar detection device has strong penetrating power, is suitable for the field environment and has wide application prospect.

In fact, the detection performance of the radar detection device is affected by factors such as the target covering condition, the detection target state and distance, and the radar self-error. Because the state of the detection target is unknown, and vital signs or differences have important influence on radar performance indexes and detection results.

Moreover, in the existing test method corresponding to technical parameters such as detection distance, detection angle and the like, due to the problems of limitation of the movement range of the detected target, manual movement and the like, certain errors exist in the distance and angle during testing, and a detection blind area is easily caused during actual tracking.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, an embodiment of an aspect of the present invention provides a target moving apparatus with a wide moving range and high test accuracy.

An embodiment of another aspect of the invention provides a radar detection system.

A target mobile device according to an embodiment of the first aspect of the present invention comprises: the movement simulation component is used for simulating the body movement characteristics of the disaster-stricken person; the first sliding component is connected with the motion simulation component and is used for driving the motion simulation component to move in a first direction; the second sliding component is connected with the motion simulation component and is used for driving the motion simulation component to move in a second direction; and the third sliding component is connected with the motion simulation component and used for driving the motion simulation component to move in a third direction, and every two of the first direction, the second direction and the third direction are orthogonal.

According to the target moving device provided by the embodiment of the invention, the motion simulation assembly can be driven to move at each position of the three-dimensional space through the first sliding assembly, the second sliding assembly and the third sliding assembly so as to simulate the position of a disaster-stricken person in the space.

In some embodiments, the first sliding assembly includes a first moving stage, a first sliding rail, and a first motor, the first moving stage is connected to the second sliding assembly, the first sliding rail is connected to the first moving stage and the first motor, and the first motor is configured to drive the first moving stage to move along a length direction of the first sliding rail, so as to adjust a position of the second sliding assembly in the first direction.

In some embodiments, the first slide rail includes a first inner slide rail and a first outer slide rail, a length direction of the first inner slide rail and a length direction of the first outer slide rail are parallel to each other, the first inner slide rail is connected to the first mobile station and the first motor, and the first motor can drive the first inner slide rail to rotate so as to drive the first mobile station to slide relative to the first outer slide rail.

In some embodiments, the number of the first slide rails is two, the two first slide rails are parallel to each other and arranged at intervals, and the second sliding assembly is disposed between the two first slide rails.

In some embodiments, the second sliding assembly includes a second moving stage, a second sliding rail, and a second motor, the second moving stage is connected to the third sliding assembly, the second sliding rail is connected to the second moving stage and the second motor, and the second motor is configured to drive the second moving stage to move along a length direction of the second sliding rail, so as to adjust a position of the third sliding assembly in the second direction.

In some embodiments, the second slide rail includes a second inner slide rail and a second outer slide rail, a length direction of the second inner slide rail and a length direction of the second outer slide rail are parallel to each other, the second inner slide rail is connected to the second mobile station and the second motor, and the second motor can drive the second inner slide rail to rotate so as to drive the second mobile station to slide relative to the second outer slide rail.

In some embodiments, the third sliding assembly includes a third moving stage, a third sliding rail, and a third motor, the motion simulation assembly is disposed on the third moving stage, the third sliding rail is connected to the third moving stage and the third motor, and the third motor is configured to drive the third moving stage to move along a length direction of the third sliding rail, so as to adjust a position of the motion simulation assembly in the third direction.

In some embodiments, the third sliding assembly further includes a gear and a rack, the gear is engaged with the rack, the gear is connected to an output shaft of the third motor, the rack is disposed on the third slide rail, and a length direction of the rack is parallel to a length direction of the third slide rail.

In some embodiments, the lower end of the third slide rail is provided with an anti-collision block.

In some embodiments, the lower end of the third slide rail is uniformly provided with support plates along the circumference.

In some embodiments, the motion simulation assembly is a chest motion simulation assembly for simulating the fluctuation of the chest of the victim under the breathing heartbeat.

A radar detection system according to an embodiment of the second aspect of the present invention comprises a target moving device as described in any of the above embodiments.

The radar detection system provided by the embodiment of the invention can test the detection distance range and the detection field angle range of the three-dimensional moving life body, and has the advantages of wide test range and high precision.

Drawings

Fig. 1 is a schematic diagram of a target mobile device according to an embodiment of the present invention.

FIG. 2 is a front view of a third glide assembly of an embodiment of the present invention.

FIG. 3 is a rear view of a third glide assembly of an embodiment of the present invention.

FIG. 4 is a side view of a third glide assembly of an embodiment of the present invention.

Reference numerals:

1. a first glide assembly; 11. a first mobile station; 12. a first slide rail; 121. a first inner slide rail; 122. a first outer slide rail; 13. a first motor;

2. a second glide assembly; 21. a second mobile station; 22. a second slide rail; 221. a second inner slide rail; 222. a second outer slide rail; 23. a second motor;

3. a third glide assembly; 31. a third mobile station; 32. a third slide rail; 33. a third motor; 34. a gear; 35. a rack; 36. an anti-collision block; 37. a support plate;

4. a motion simulation component.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

A target moving apparatus and a radar detection system having the same according to an embodiment of the present invention are described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the object moving apparatus according to the embodiment of the present invention includes a first sliding assembly 1, a second sliding assembly 2, a third sliding assembly 3, and a motion simulation assembly 4.

The movement simulation component 4 is used for simulating the body movement characteristics of the disaster-stricken person, the first sliding component 1 is connected with the movement simulation component 4, and the first sliding component 1 is used for driving the movement simulation component 4 to move in a first direction (such as the front-back direction of fig. 1). The second sliding component 2 is connected to the motion simulation component 4, and the second sliding component 2 is used for driving the motion simulation component 4 to move in a second direction (such as the left-right direction in fig. 1). The third sliding component 3 is connected to the motion simulation component 4, and the third sliding component 3 is configured to drive the motion simulation component 4 to move in a third direction (e.g., up and down direction in fig. 1). It is understood that the first direction, the second direction and the third direction are orthogonal to each other two by two.

According to the target moving device provided by the embodiment of the invention, the motion simulation component 4 can be driven to move at each position of a three-dimensional space through the first sliding component 1, the second sliding component 2 and the third sliding component 3 so as to simulate the position of a disaster-stricken person in the space.

Specifically, as shown in fig. 1, the first sliding assembly 1 includes a first moving stage 11, a first sliding rail 12 and a first motor 13, the first moving stage 11 is connected to the second sliding assembly 2, the first sliding rail 12 is connected to the first moving stage 11 and the first motor 13, and the first motor 13 is configured to drive the first moving stage 11 to move along a length direction of the first sliding rail 12, so as to adjust a position of the second sliding assembly 2 in the first direction.

Further, as shown in fig. 1, the first slide rail 12 includes a first inner slide rail 121 and a first outer slide rail 122, a length direction of the first inner slide rail 121 and a length direction of the first outer slide rail 122 are parallel to each other, the first inner slide rail 121 is connected to the first mobile station 11 and the first motor 13, and the first motor 13 can drive the first inner slide rail 121 to rotate so as to drive the first mobile station 11 to slide relative to the first outer slide rail 122.

Optionally, as shown in fig. 1, the number of the first slide rails 12 is two, the two first slide rails 12 are parallel to each other and arranged at left and right intervals, and the second sliding assembly 2 is disposed between the two first slide rails 12. It will be understood that the first mobile station 11 is connected to the second sliding unit 2, so that the second sliding unit 2 can be moved in the front-rear direction by the first sliding unit 1.

In some embodiments, as shown in fig. 1, the second sliding assembly 2 includes a second moving stage 21, a second sliding rail 22 and a second motor 23, the second moving stage 21 is connected to the third sliding assembly 3, the second sliding rail 22 is connected to the second moving stage 21 and the second motor 23, and the second motor 23 is configured to drive the second moving stage 21 to move along the length direction of the second sliding rail 22, so as to adjust the position of the third sliding assembly 3 in the second direction.

Further, as shown in fig. 1, the second slide rail 22 includes a second inner slide rail 221 and a second outer slide rail 222, a length direction of the second inner slide rail 221 and a length direction of the second outer slide rail 222 are parallel to each other, the second inner slide rail 221 is connected to the second movable stage 21 and the second motor 23, and the second motor 23 can drive the second inner slide rail 221 to rotate so as to drive the second movable stage 21 to slide relative to the second outer slide rail 222. It can be understood that the second moving table 21 is connected to the third sliding module 3, so that the third sliding module 3 can be driven by the second sliding module 2 to move in the left-right direction.

In some embodiments, as shown in fig. 1 to 4, the third sliding assembly 3 includes a third moving stage 31, a third sliding rail 32 and a third motor 33, the motion simulation assembly 4 is disposed on the third moving stage 31, the third sliding rail 32 is connected to the third moving stage 31 and the third motor 33, and the third motor 33 is configured to drive the third moving stage 31 to move along a length direction (e.g., an up-down direction in fig. 1) of the third sliding rail 32, so as to adjust a position of the motion simulation assembly 4 in the third direction.

Specifically, as shown in fig. 4, the third sliding assembly 3 further includes a gear 34 and a rack 35, the gear 34 is engaged with the rack 35, the gear 34 is connected to an output shaft of the third motor 33, the rack 35 is disposed on the third slide rail 32, and a length direction of the rack 35 is parallel to a length direction of the third slide rail 32.

It can be understood that, as shown in fig. 1 and 4, the third motor 33 can drive the gear 34 to rotate, and the gear 34 moves along the length direction of the rack 35, and thus drives the third moving table 31 to move in the up-and-down direction. Since the motion simulating assembly 4 is mounted on the third moving stage 31, the position of the motion simulating assembly 4 in the up-down direction can be adjusted by the third motor 33.

Further, as shown in fig. 1 and 2, the lower end of the third slide rail 32 is provided with an anti-collision block 36, so that the motion simulator 4 can be prevented from being hard-collided when moving downward.

Further, as shown in fig. 1 and 2, the supporting plates 37 are uniformly distributed at the lower end of the third slide rail 32 along the circumferential direction thereof, so that the supporting strength of the third slide rail 32 can be improved, and the stability of the target moving device in the embodiment of the present invention during moving can be improved.

Preferably, the motion simulation assembly 4 is a chest motion simulation assembly 4 for simulating the fluctuation of the chest of the victim under the breathing heartbeat.

As shown in fig. 1, a radar detection system according to an embodiment of the present invention includes the target moving device of the above-described embodiment. The radar detection system provided by the embodiment of the invention can test the detection distance range and the detection field angle range of the three-dimensional moving life body, and has the advantages of wide test range and high precision.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying 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. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. a target mobile device, is characterized in that, comprises:

a motion simulation component, the motion simulation component is used to simulate the physical movement characteristics of the disaster victims;

a first sliding component, the first sliding component is connected with the motion simulation component, and the first sliding component is used to drive the motion simulation component to move in a first direction;

a second sliding component, the second sliding component is connected with the motion simulation component, and the second sliding component is used to drive the motion simulation component to move in a second direction;

a third sliding component, the third sliding component is connected with the motion simulation component, and the third sliding component is used to drive the motion simulation component to move in a third direction, the first direction, the The second direction and the third direction are orthogonal to each other.

2 . The target moving device according to claim 1 , wherein the first sliding assembly comprises a first moving stage, a first sliding rail and a first motor, and the first moving stage and the second The sliding assembly is connected, the first sliding rail is connected with the first moving table and the first motor, and the first motor is used to drive the first moving table to move along the length direction of the first sliding rail , to adjust the position of the second sliding assembly in the first direction.

3 . The target moving device according to claim 2 , wherein the first sliding rail comprises a first inner sliding rail and a first outer sliding rail, and the length direction of the first inner sliding rail is the same as that of the first inner sliding rail. 4 . The length directions of an outer slide rail are arranged parallel to each other, and the first inner slide rail is connected with the first mobile platform and the first motor, and the first motor can drive the first inner slide rail to rotate, so as to The first mobile platform is driven to slide relative to the first outer slide rail.

4 . The target moving device according to claim 2 , wherein the number of the first sliding rails is two, and the two first sliding rails are arranged parallel to each other and spaced apart from each other, and the second sliding component is provided with 4 . between the two first slide rails.

5. The target moving device according to claim 2, wherein the second sliding assembly comprises a second moving stage, a second sliding rail and a second motor, the second moving stage and the third The sliding assembly is connected, the second sliding rail is connected with the second moving table and the second motor, and the second motor is used to drive the second moving table to move along the length direction of the second sliding rail , to adjust the position of the third sliding assembly in the second direction.

6 . The target moving device according to claim 5 , wherein the second sliding rail comprises a second inner sliding rail and a second outer sliding rail, and the length direction of the second inner sliding rail is the same as that of the first sliding rail. 7 . The length directions of the two outer slide rails are arranged parallel to each other, and the second inner slide rail is connected with the second mobile platform and the second motor, and the second motor can drive the second inner slide rail to rotate, so as to The second mobile platform is driven to slide relative to the second outer slide rail.

7 . The target moving device according to claim 5 , wherein the third sliding assembly comprises a third moving stage, a third sliding rail and a third motor, and the motion simulation assembly is provided on the third moving platform. 8 . On the mobile platform, the third sliding rail is connected with the third mobile platform and the third motor, and the third motor is used to drive the third mobile platform to move along the length direction of the third sliding rail, to adjust the position of the motion simulation component in the third direction.

8 . The target moving device according to claim 7 , wherein the third sliding assembly further comprises a gear and a rack, the gear is meshed with the rack, and the gear is connected with the third motor. 9 . The rack is connected to the output shaft of the third sliding rail, and the longitudinal direction of the rack is parallel to the longitudinal direction of the third sliding rail.

9 . The target moving device according to claim 7 , wherein the lower end of the third slide rail is provided with an anti-collision block. 10 .

10 . The target moving device according to claim 7 , wherein the lower end of the third sliding rail is uniformly distributed with support plates along its circumferential direction. 11 .

11 . The target mobile device according to claim 1 , wherein the motion simulating component is a thoracic cavity motion simulating component, which is used for simulating the thoracic ups and downs of the disaster victims under the condition of breathing and heartbeat. 12 .

12. A radar detection system, characterized by comprising the target moving device according to any one of claims 1-11.