CN212905415U - Ku-type short-range radar - Google Patents

Abstract

The utility model provides a Ku type short-range radar, which comprises an antenna and a turntable driving the antenna to rotate, wherein the antenna comprises an antenna frame, a heat radiation component, a power supply component and a bracket; the radiating assembly comprises a radiating cold plate, the radiating cold plate is arranged on the antenna frame and forms a closed accommodating cavity with the antenna frame in an enclosing way, and an antenna unit is arranged in the accommodating cavity; the support is used for bearing the antenna frame, the radiating assembly and the power supply assembly, and a wiring cavity is formed in the support; the antenna is in blind-mate connection with the turntable through the bracket so that the power supply assembly and the antenna unit are electrically connected with the turntable. The utility model provides a Ku type short range radar utilizes the modularized design, and compact structure reduces the cable and connects, and the majority adopts the blind mode of inserting of mother board between each subassembly, and is small, light in weight, and the convenience is erect in the outfield. The radar meets the requirements of vehicle loading and ground erection, is coordinated and reasonable in overall layout, meets the transportation requirements of railways, highways and steamships, and can be quickly erected and dismantled.

Description

Ku-type short-range radar

Technical Field

The utility model relates to a radar technical field especially relates to a Ku type short range radar.

Background

In the near time, multiple foreign maneuvers indicate that the detection of defending low-altitude flight targets in battles is more and more important. In particular, the aircrafts appearing in recent years generally have low-altitude penetration capability, such as ultra-low-altitude airplanes, low-altitude missiles, armed helicopters and the like. There is a strong demand for short-range low-altitude defense equipment in various countries. The short-range low-altitude radar is a radar device specially used for detecting low-altitude and ultra-low-altitude targets, can effectively detect the low-altitude and ultra-low-altitude targets, and realizes all-time and all-weather low-altitude monitoring in a distribution control area. In Ku wave band radar system, there are the radar size great, and electrical connection is complicated, and the cable is mixed and disorderly, the inconvenient problem of flexible erections.

SUMMERY OF THE UTILITY MODEL

Great to radar size among the above-mentioned prior art, electrical connection is complicated, and the cable is mixed and disorderly, and the inconvenient not enough of flexible erectting, the utility model aims to provide a Ku type short range radar, its whole size that can reduce the radar effectively simplifies electrical connection and avoids the cable mixed and disorderly to flexible erects the convenience.

The utility model provides a Ku type short-range radar, including the antenna and drive the revolving stage of the rotation of said antenna, the said antenna includes the antenna frame, heat-dissipating assembly, power supply module and support; the radiating assembly comprises a radiating cold plate, the radiating cold plate is arranged on the antenna frame and forms a closed accommodating cavity with the antenna frame in an enclosing mode, and the accommodating cavity is used for accommodating the antenna unit; the support is used for bearing the antenna frame, the radiating assembly and the power supply assembly, a wiring cavity is further formed in the support, the power supply, the rotary table and the antenna unit are electrically connected with one another, and electrical connecting cables of the power supply, the rotary table and the antenna unit are gathered in the wiring cavity; the antenna is in blind-mate connection with the turntable through the bracket so that the power supply assembly and the antenna unit are electrically connected with the turntable.

Preferably, a hidden groove is formed in the heat dissipation cold plate, and an electrical connection cable between the power supply assembly and the antenna unit and an electrical connection cable between the turntable and the antenna unit extend from the wiring cavity to the accommodating cavity through the hidden groove.

Preferably, a side of the heat dissipation cold plate facing away from the accommodating cavity is provided with heat dissipation fins.

Preferably, the antenna unit includes a band antenna and a plurality of components, the plurality of components includes a T component, an R component, a frequency synthesizer component, a DBF component, a signal processing component, a data processing component and a control component, and the band antenna is connected to each component through a cable; and all the components are connected through bending-resistant cables.

Preferably, the T component, the R component, and the frequency synthesizer component constitute a radio frequency module, and a control chip of the control component and/or the radio frequency module are disposed on one side of the heat dissipation cold plate facing the accommodation cavity.

Preferably, the signal processing assembly is in blind-mate connection with the control assembly.

Preferably, the band antenna comprises a plurality of standard slotted waveguides arranged at equal intervals.

Preferably, the antenna further comprises a cover plate disposed on a side of the heat sink cold plate facing away from the receiving cavity.

Compared with the prior art, the Ku type short-range radar provided by the utility model has the advantages that the antenna is connected with the rotary table in a blind plugging way, and the connection form of the rotary table and the antenna is simplified, so that the radar is easy to flexibly erect; through installing wire frame, radiator unit, power supply module on the support, antenna part compact structure has effectively reduced the volume of radar. Each component of the antenna unit is designed in a modularized mode, and most of the components are connected in a mother board blind plugging mode, so that the structure is compact, cable connection is reduced, the size and the weight of the radar are effectively reduced, and the external field erection is convenient. The radar meets the requirements of vehicle loading and ground erection, is coordinated and reasonable in overall layout, meets the transportation requirements of railways, highways and steamships, and can be quickly erected and dismantled.

The above-mentioned technical characteristics can be combined in various suitable ways or replaced by equivalent technical characteristics as long as the purpose of the invention can be achieved.

Drawings

The invention will be described in more detail hereinafter on the basis of non-limiting examples only and with reference to the accompanying drawings. Wherein:

fig. 1 is a schematic structural diagram of a Ku-type short-range radar according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a Ku-type short-range radar with a cover plate removed according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of another view angle of the Ku-type short-range radar according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an antenna unit according to an embodiment of the present invention.

Description of reference numerals:

1. a turntable; 2. an antenna frame; 3. a heat dissipation cold plate; 4. a power supply component; 5. a support; 6. a cover plate; 7. a heat dissipating fin; 8. 1# R component; 9. a 2# R component; 10. a 3# R component; 11. a 4# R component; 12. a frequency synthesizer component; 13. a DBF component; 14. an upper signal processing component; 15. a band antenna; 16. A control component; 17. a T component; 18. cables, 19, blind-mate connectors; 20. a lower signal processing component; 51. a base plate; 52. erecting a frame; 53. a wiring cavity; 54. and (4) a dark groove.

Detailed Description

For making the purpose, technical solution and advantages of the present invention clearer, it will be right below that the technical solution of the present invention is clearly and completely described, based on the specific embodiments of the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work belong to the scope protected by the present invention.

The Ku-type short-range radar that provides in this embodiment is by antenna and drive antenna pivoted revolving stage 1 two parts to for blind plug is connected between antenna and the revolving stage 1, avoids the cable mixed and disorderly, the inconvenient problem of flexible erections.

As shown in fig. 1-3, the antenna is comprised of an antenna frame 2, a heat sink assembly, a power supply assembly 4, and a support 5.

The radiating assembly comprises a radiating cold plate 3, the radiating cold plate 3 is arranged on the antenna frame 2 and forms a sealed accommodating cavity with the antenna frame 2 in an enclosing mode, an antenna unit is arranged in the accommodating cavity and used for sending pulse signals and receiving echo signals. As shown in fig. 4, the present antenna unit applies an active phased array technology, and includes a band antenna 15 and a plurality of components such as a T component 17, an R component, a frequency synthesizer component 12, a DBF component 13, a signal processing component, a data processing component, and a control component 16 (the data processing component is not shown in fig. 4 because the data processing component is disposed below the DBF component 13). The wave band antenna 15 is connected with each component in the accommodating cavity through low-loss cables; the wave band antenna 15 comprises a plurality of standard split waveguides which are equidistantly distributed on one side of the antenna frame 2, which is back to the accommodating cavity, and the standard split waveguides are transited into the accommodating cavity through low-loss cables and connected to each component; preferably, the number of the waveguides is set to 36. Each assembly can be connected through a bending-resistant cable so as to effectively ensure the stability of signal transmission. The R component includes 1 # R component 8, 2# R component 9, 3# R component 10, 4# R component 11, and R component, T component 17 and frequency synthesis component 12 constitute the radio frequency module, and each component between the radio frequency module can adopt super flexibility, poor little cable connection of loss (such as 3506 cable), can effectively reduce the loss. The signal processing assembly comprises an upper signal processing assembly 14 and a lower signal processing assembly 20, the upper signal processing assembly 14, the lower signal processing assembly 20 and the control assembly 16 are connected in a blind plugging mode, the number of cables can be effectively reduced, and space is saved.

In order to enhance the heat dissipation effect, as shown in fig. 2, a heat dissipation fin 7 is disposed on a side of the heat dissipation cold plate 3 facing away from the receiving cavity, a high-power control chip in the radio frequency module and the control component 16 may be disposed on a side of the heat dissipation cold plate 3 facing toward the receiving cavity, and heat of the radio frequency module and the control chip is conducted to the heat dissipation fin 7 in a heat conduction manner, and then conducted to the surrounding air through natural heat dissipation; the heat sink cold plate 3 is now both a heat sink for transferring heat and a sealing cover plate 6 for accommodating the cavity.

The support 5 is used for bearing the antenna frame 2, the heat dissipation assembly and the power supply assembly 4, and the antenna is in blind-mate connection with the rotary table 1 through the support 5 so as to realize the electrical connection between the rotary table 1 and the power supply assembly 4 and the antenna unit. The support 5 can set up to the structure of similar L type, including bottom plate 51 and the grudging post 52 of setting in vertical direction that the level set up, be provided with on the grudging post 52 and walk line chamber 53, power supply module 4 installs in walking line chamber 53 top, and the left and right sides of walking line chamber 53 is the mounting panel respectively, and antenna frame 2 sets up with the slope of heat dissipation cold drawing 3, and bottom plate 51 supports in antenna frame 2 and the bottom of heat dissipation cold drawing 3, and the mounting panel is used for fixed antenna frame 2 and heat dissipation cold drawing 3. The electrical connection cable of power supply module 4 and revolving stage 1, the electrical connection cable of revolving stage 1 and antenna unit and the electrical connection cable of power supply module 4 and antenna unit all gather in walking the line chamber 53, have effectively reduced the exposure of cable. The electrical connection cable between the turntable 1 and the antenna unit and the electrical connection cable between the turntable 1 and the power supply module 4 are connected by a blind-mate connector 19. The heat dissipation cold plate 3 is provided with a hidden groove 54, and an electrical connection cable between the power supply assembly 4 and the antenna unit and an electrical connection cable between the turntable 1 and the antenna unit extend into the accommodating cavity from the wiring cavity 53 through the hidden groove 54.

Preferably, the antenna further comprises a cover plate 6, the cover plate 6 is detachably arranged on one side, back to the accommodating cavity, of the heat dissipation cold plate 3, and the cover plate 6 is used for shielding the heat dissipation cold plate 3 and heat dissipation fins 7 on the heat dissipation cold plate 3, so that an air channel is formed, cooling air is discharged out of the radar after flowing through a device to be cooled, the air quantity is guaranteed not to be lost, and the purpose of effective heat dissipation is achieved.

The utility model provides a Ku type short range radar utilizes the modularized design, and compact structure reduces the cable and connects, and the majority adopts the blind mode of inserting of mother board between each subassembly, and is small, light in weight, and the convenience is erect in the outfield. The radar meets the requirements of vehicle loading and ground erection, is coordinated and reasonable in overall layout, meets the transportation requirements of railways, highways and steamships, and can be quickly erected and dismantled.

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

Claims (8)

1. The Ku-type short-range radar is characterized by comprising an antenna and a rotary table driving the antenna to rotate, wherein the antenna comprises an antenna frame, a heat dissipation assembly, a power supply assembly and a support; the radiating assembly comprises a radiating cold plate, the radiating cold plate is arranged on the antenna frame and forms a closed accommodating cavity with the antenna frame in an enclosing mode, and the accommodating cavity is used for accommodating the antenna unit; the support is used for bearing the antenna frame, the radiating assembly and the power supply assembly, a wiring cavity is further formed in the support, the power supply, the rotary table and the antenna unit are electrically connected with one another, and electrical connecting cables of the power supply, the rotary table and the antenna unit are gathered in the wiring cavity; the antenna is in blind-mate connection with the turntable through the bracket so that the power supply assembly and the antenna unit are electrically connected with the turntable.

2. The Ku-type proximity radar according to claim 1, wherein a troffer is provided on the cold plate, through which troffer electrical connection cables between the power supply assembly and the antenna unit and between the turntable and the antenna unit extend from the routing cavity into the receiving cavity.

3. Ku-type short-range radar according to claim 1, characterized in that the side of the heat-dissipating cold plate facing away from the receiving cavity is provided with heat-dissipating fins.

4. Ku-type short-range radar according to any one of claims 1-3, characterized in that the antenna unit comprises a band antenna and a plurality of components, the plurality of components comprising a T-component, an R-component, a frequency synthesizer component, a DBF-component, a signal processing component, a data processing component and a control component, the band antenna being connected to each component separately by means of a cable; and all the components are connected through bending-resistant cables.

5. The Ku-type proximity radar according to claim 4, characterized in that the T-component, the R-component and the frequency synthesizer component constitute a radio frequency module, the control chip of the control component and/or the radio frequency module being arranged on the side of the cold plate facing the receiving cavity.

6. Ku-type short-range radar according to claim 4, characterized in that the signal processing component is connected with a control component by blind plugging.

7. Ku-type short-range radar according to claim 4, characterized in that the band antenna comprises a plurality of standard slotted waveguides arranged equidistantly.

8. The Ku-type proximity radar according to any one of claims 1-3, wherein the antenna further comprises a cover plate disposed on a side of the cold plate facing away from the receiving cavity.

Images