Small radar system

Abstract

The utility model relates to a small-sized radar system, belongs to the technical field of detection radars, and solves the problem that in the prior art, a small-sized system capable of quickly positioning and detecting radar faults when the radars have faults is lacked. The system comprises a radar device, a high-speed data acquisition and storage device and a test board, the radar device comprises a shell, the upper surface of the shell is provided with a test interface, and the test interface comprises a high-speed connector. The high-speed data acquisition and storage device is connected with the radar device through a high-speed connector of a test port; the high-speed connector comprises a CAN interface, a radar synchronization pulse interface, a distance gate interface, a modulation pulse interface and a transmit-receive time sequence interface. The high-speed data acquisition storage device is connected with the test bench. The system is miniaturized and can quickly position and detect the radar fault when the radar has the fault.

Description

TECHNICAL FIELD

[0001] The utility model relates to a detection radar technical field, especially a small radar system. BACKGROUND

[0002] As an important detection technology, radar has been widely used in traffic, resource detection, meteorology and other fields. With the continuous progress of science and technology, radar technology will continue to develop and improve, making greater contribution to the development of human society.

[0003] However, due to the large number of radar components, the hardware and software are relatively complex. In the prior art, when the radar fails, it is not easy to quickly locate the radar fault type, causing inconvenience to maintenance and unable to quickly repair. INVENTION CONTENTS

[0004] In view of the above analysis, the utility model aims at providing a small radar system for unmanned aerial vehicle, to solve the problem that the prior art lacks a miniaturized detection radar system for quickly locating faults when the radar fails.

[0005] The utility model mainly aims at realizing the following technical schemes:

[0006] The utility model embodiment provides a small radar system, the system includes radar device, high speed number collection storage device, test board, radar device includes casing, casing upper surface is equipped with test interface, the test interface includes high speed connector, high speed number collection storage device passes through the high speed connector of test mouth and is connected with radar device, high speed connector includes CAN interface, radar synchronous pulse interface, distance wave door interface, modulation pulse interface, transceiver time sequence interface, high speed number collection storage device is connected with test board.

[0007] Further, the high speed connector of test interface includes HSI type high speed connector and J63A type aviation connector.

[0008] Further, the high speed number collection storage device includes test board, optical fiber, data acquisition storage, test board includes first to third high speed connector, optical module, the first, second high speed connector respectively connects radar device test interface's HSI type high speed connector and J63A type aviation connector outward, and the first, second high speed connector connects optical module inward, optical module has optical interface, and optical interface connects optical fiber, and the other end of optical fiber connects data acquisition storage, and one end of third high speed connector connects data acquisition storage, and the other end connects test board.

[0009] Further, the radar device housing is an open structure at the front and rear ends, and the radar device further comprises a phased array antenna feeder assembly, a frequency comprehensive transceiver assembly, a collection and control assembly, a signal processing assembly, and a power supply assembly; the phased array antenna feeder assembly comprises a circuit board; a partition plate is arranged in the radar device housing, the circuit board of the phased array antenna feeder assembly is arranged on one side of the partition plate close to the front end of the housing, and the frequency comprehensive transceiver assembly, the collection and control assembly, and the signal processing assembly are sequentially arranged on the other side of the partition plate; a skin is arranged at the front end of the housing to seal the front end of the housing; the frequency comprehensive transceiver assembly, the collection and control assembly, and the power supply assembly each comprise a housing and a circuit board arranged in the housing, and the housing of the power supply assembly serves as a cover plate at the rear end of the radar device housing and forms a sealed structure with the housing of the radar device.

[0010] Further, the signal processing assembly comprises a circuit board, the circuit board of the signal processing assembly is mounted on one side of the outer surface of the housing of the power supply assembly facing the front end opening of the radar device housing, and a heat-conducting pad is arranged between the contact surface of the circuit board of the signal processing assembly and the housing of the power supply assembly.

[0011] Further, the partition plate, the housing of the frequency comprehensive transceiver assembly, and the surface of the housing of the collection and control assembly are each provided with a plurality of rectangular openings; high-speed connectors KK are arranged on the circuit boards of the phased array antenna feeder assembly, the frequency comprehensive transceiver assembly, and the collection and control assembly; the high-speed connectors KK on the circuit boards of the phased array antenna feeder assembly and the frequency comprehensive transceiver assembly are respectively plugged through the rectangular openings of the partition plate and the rectangular openings on one side of the housing of the frequency comprehensive transceiver assembly facing the partition plate; and the high-speed connectors KK between the circuit boards of the frequency comprehensive transceiver assembly and the collection and control assembly are plugged through the rectangular openings on the corresponding housings.

[0012] Further, the high-speed connectors KK on the circuit board of the collection and control assembly are provided with serial peripheral interfaces SPI and low-voltage differential signal LVDS serial ports, and the serial peripheral interfaces SPI and the low-voltage differential signal LVDS serial ports are connected with the circuit boards of the frequency comprehensive transceiver assembly and the signal processing assembly.

[0013] Further, the circuit board of the collection and control assembly is further provided with an external interface connector and a corresponding cable; the external interface connector and the corresponding cable are exposed from the rectangular opening on the surface of the housing of the collection and control assembly and connected to the high-speed connector on the test interface of the radar device housing.

[0014] Further, the radar device housing and the housings of the frequency comprehensive transceiver assembly, the collection and control assembly, and the power supply assembly are each made of aluminum alloy 6063-T6; and the surface treatment mode of the aluminum alloy 6063-T6 is black spraying.

[0015] Further, the skin of the front end of the radar device housing is made of quartz fiber composite material; and the surface of the skin is subjected to paint spraying treatment.

[0016] Compared with the prior art, the utility model at least can realize following beneficial effect one:

[0017] 1, the utility model discloses a detection radar system, including radar device, high -speed data acquisition storage device, testboard, and radar device includes the casing, and the casing upper surface has test interface, and test interface includes high -speed connector, and high -speed data acquisition storage device is connected with radar device through the high -speed connector of test mouth, and high -speed connector includes CAN interface, radar synchronous pulse interface, distance wave door interface, modulated pulse interface, transceiver timing interface, and high -speed data acquisition storage device is connected with testboard.

[0018] 2, the utility model discloses a detection radar system, and the surface of the baffle, frequency comprehensive transceiver assembly casing, acquisition and control assembly casing in radar device all is provided with rectangular opening, and the circuit board of phased array antenna feed assembly, the circuit board of frequency comprehensive transceiver assembly, the circuit board of acquisition and control assembly all is provided with high -speed connector KK, and the circuit board of phased array antenna feed assembly, the circuit board of frequency comprehensive transceiver assembly high -speed connector KK respectively passes through the rectangular opening of baffle, the rectangular opening of frequency comprehensive transceiver assembly casing towards the side of baffle and is inserted, and the high -speed connector KK between the circuit board of frequency comprehensive transceiver assembly, the circuit board of acquisition and control assembly passes through the rectangular opening of corresponding casing and is inserted, and the connector is directly inserted, reduces the use of cable, thereby reduce the volume of radar device.

[0019] 3, the utility model discloses a detection radar system, and test, storage function is concentrated in the high -speed data acquisition storage device of radar device outside, and is connected with high -speed data acquisition storage device through test mouth, and further reduce the volume of radar device.

[0020] 4, the utility model discloses the signal processing assembly circuit board of radar device is installed to the front surface of power component casing, and adds heat conduction pad in the middle, and good heat dissipation is realized, and space is saved simultaneously.

[0021] 5, the utility model discloses radar device and design into rectangular structure, and the structure is neat, and the volume is small, and the weight is light, and the power consumption is low, and the sealing property is good, and the external interface simultaneously uses connector and is convenient for with external device connection.

[0022] In the utility model, the above technical solutions can be combined with each other to realize more optimal combination solutions. Other features and advantages of the utility model will be described in the following content, and some advantages can become apparent from the description or be understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the content specifically pointed out in the text and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings are for the purpose of illustrating preferred embodiments of the present application and are in no way limiting of the present application, in which like reference characters designate like parts throughout the several views.

[0024] Figure 1 It is a small radar system outer surface perspective view;

[0025] Figure 2 It is a small radar system each component connection relationship sectional view;

[0026] Figure 3 It is a small radar system upper surface schematic view.

[0027] Reference signs:

[0028] 1 - phased array antenna feeder assembly;

[0029] 2 - frequency comprehensive transceiver assembly;

[0030] 3 - acquisition and control assembly;

[0031] 4 - signal processing assembly;

[0032] 5 - power supply assembly;

[0033] 6 - test interface. DETAILED DESCRIPTION

[0034] The preferred embodiments of the present application will be described in detail below with reference to the drawings, wherein the drawings constitute a part of this application and are used to explain the principles of the present application together with the embodiments of the present application, and are not used to limit the scope of the present application.

[0035] One specific embodiment of the present application discloses a small radar system, and an outer surface perspective view is as shown in Figure 1 .

[0036] The system comprises a radar device, a high-speed data acquisition and storage device, and a test bench; the radar device comprises a shell, and the upper surface of the shell is provided with a test interface 6; the test interface 6 comprises a high-speed connector; the high-speed data acquisition and storage device is connected with the radar device through the high-speed connector of the test interface; the high-speed connector comprises a CAN interface, a radar synchronization pulse interface, a distance wave door interface, a modulation pulse interface, and a transceiver time sequence interface; and the high-speed data acquisition and storage device is connected with the test bench.

[0037] The test interface 6 of the detection radar system is as shown in Figure 3 .

[0038] Specifically, the test interface 6 is designed to facilitate fault isolation positioning, and the radar device should fully consider the testability of each component of the radar device in the design. In the self-checking mode of the radar device, all components except the antenna can be tested, and the following faults can be diagnosed: abnormal output power of the frequency synthesis transceiver component 2, phase-locked loop lock loss, abnormal receiving gain; abnormal working temperature of the phased array antenna feeder component 1 phased array transceiver, wave control abnormality; abnormal digital processing of the signal processing component 4 circuit board.

[0039] The high-speed connector of the test interface 6 includes an HSI type high-speed connector and a J63A type aviation connector.

[0040] In a specific embodiment of the present application, the HSI type high-speed connector adopts an HSI-40ZKG01-02B straight plug connector, and the J63A type aviation connector adopts a J63A-2F2-051-441TH aviation connector. The J63A type aviation connector is used to transmit radar synchronization pulse signals, distance gate signals, and modulated pulse signals; and the HSI type high-speed connector is used to transmit CAN communication signals and transceiver timing signals.

[0041] The high-speed data sampling storage device includes a test board, an optical fiber, and a data acquisition storage; the test board includes first to third high-speed connectors and an optical module; the first and second high-speed connectors are respectively connected to the HSI type high-speed connector and the J63A type aviation connector of the test interface 6 of the radar device, and the first and second high-speed connectors are connected to the optical module; the optical module has an optical interface, the optical interface is connected to the optical fiber, and the other end of the optical fiber is connected to the data acquisition storage; one end of the third high-speed connector is connected to the data acquisition storage, and the other end is connected to the test bench.

[0042] Specifically, the test and storage functions are concentrated on the high-speed data sampling storage device outside the radar device; the test interface is connected to the high-speed data sampling storage device; and the size of the radar device is reduced. The test bench can be an industrial computer installed with radar device test software, or a control panel with a display screen, the control panel is built-in with radar device test software and connected to the radar device through the test board; and the type of radar fault can be obtained after sending the test instruction.

[0043] The connection relationship diagram of each component of the small radar system is shown in Figure 2 .

[0044] The radar device shell is of an open front and rear end structure, and the radar device further comprises a phased array antenna feeder assembly 1, a frequency comprehensive transceiver assembly 2, a collection and control assembly 3, a signal processing assembly 4, and a power supply assembly 5; the phased array antenna feeder assembly 1 comprises a circuit board; a partition plate is arranged in the radar device shell, the circuit board of the phased array antenna feeder assembly 1 is arranged on one side of the partition plate close to the front end of the shell, and the frequency comprehensive transceiver assembly 2, the collection and control assembly 3, and the signal processing assembly 4 are sequentially arranged on the other side of the partition plate; a skin is arranged on the front end of the shell to seal the front end of the shell; the frequency comprehensive transceiver assembly 2, the collection and control assembly 3, and the power supply assembly 5 each comprise a shell and a circuit board arranged in the shell, and the shell of the power supply assembly 5 serves as a cover plate of the rear end of the radar device shell and forms a sealed structure with the shell of the radar device.

[0045] Specifically, the radar device of the present application adopts a three-proof design against damp, salt spray and mold. The three-proof design comprises component and material protection, process protection and structure protection; exposed wires, welding points and electrical fixing points inside the product are treated by surface lubricating grease; different metals are prevented from contacting and corroding by means of coating glue when selecting metal materials and their protective layers; the skin is made of a material resistant to corrosion, aging, damp and mold, and the lubricating grease has good damp-proof and mold-proof performance; the wire and cable routing is positioned by a fixing device to prevent displacement in a mechanical environment. The radar adopts a unified standard connector interface, including a cable interface and a multi-core socket interface, facilitating maintenance and replacement.

[0046] The shell of the radar device and the shells of the frequency comprehensive transceiver assembly 2, the collection and control assembly 3, and the power supply assembly 5 are all made of aluminum alloy 6063-T6; the surface treatment of the aluminum alloy 6063-T6 is black spraying.

[0047] Specifically, the shell of the power supply assembly 5 is 0.8 mm thick. The circuit board of the power supply assembly 5 is located in the sealed shell of the power supply assembly 5, and plays a role in shielding electromagnetic interference.

[0048] The skin of the front end of the shell of the radar device is made of quartz fiber composite material; the surface of the skin is treated by paint spraying.

[0049] Specifically, the radar uses quartz fiber composite material to increase the transmission and reception rate of the antenna.

[0050] The circuit board of the phased array antenna feeder assembly 1 comprises an antenna, a phased array transceiver, a feeder network and a wave control; the wave control is used for directional control of the antenna transmission and reception beam; the feeder network is used for distribution of the transmission signal of the frequency comprehensive transceiver assembly 2 to the sending end of the phased array transceiver and synthesis of the signal received by the phased array transceiver to the receiving end of the frequency comprehensive transceiver assembly 2; the phased array transceiver is used for amplification output of the transmission signal of the sending end of the frequency comprehensive transceiver assembly 2 and amplification of the received signal of the antenna.

[0051] The antenna adopts a microstrip form, reduces the profile and cost. The antenna mainly completes external radiation of microwave signals and reception of target reflection echo. The phased array transceiver has a transceiving switching function.

[0052] The signal processing assembly 4 includes a circuit board, the signal processing assembly 4 circuit board is installed on the outer surface of the power assembly 5 shell towards the front end opening of the radar device shell, and a heat conduction pad is arranged between the signal processing assembly 4 circuit board and the contact surface of the power assembly 5 shell.

[0053] Specifically, the signal processing assembly 4 circuit board is installed on the front surface of the power assembly 5 shell, and the power assembly 5 shell is used as the cold plate of the signal processing assembly 4 circuit board, so that good heat dissipation is realized and space is saved, and the heat conduction pad added on the chip surface with large heat dissipation of the signal processing assembly 4 circuit board is helpful for heat dissipation.

[0054] The partition plate, the shell of the frequency comprehensive transceiver assembly 2 and the shell of the acquisition and control assembly 3 are all provided with a plurality of rectangular openings; the circuit board of the phased array antenna feeder assembly 1, the circuit board of the frequency comprehensive transceiver assembly 2 and the circuit board of the acquisition and control assembly 3 are all provided with high-speed connectors KK; the high-speed connectors KK on the circuit board of the phased array antenna feeder assembly 1 and the circuit board of the frequency comprehensive transceiver assembly 2 are respectively inserted through the rectangular openings of the partition plate and the rectangular openings on the side of the shell of the frequency comprehensive transceiver assembly 2 facing the partition plate; the high-speed connector KK between the circuit board of the frequency comprehensive transceiver assembly 2 and the circuit board of the acquisition and control assembly 3 is inserted through the rectangular openings on the corresponding shells.

[0055] In a specific embodiment of the present application, four high-speed connectors KK are used to insert the circuit board of the phased array antenna feeder assembly 1 and the circuit board of the frequency comprehensive transceiver assembly 2, eight high-speed connectors KK and one low-frequency connector are used to insert the circuit board of the frequency comprehensive transceiver assembly 2 and the circuit board of the acquisition and control assembly 3, one high-speed connector KK is used to insert the circuit board of the acquisition and control assembly 3 and the circuit board of the signal processing assembly 4, and one low-frequency connector is used to insert the circuit board of the acquisition and control assembly 3 and the circuit board of the power assembly 5.

[0056] The high-speed connector KK on the circuit board of the acquisition and control assembly 3 is provided with a serial peripheral interface SPI and a low-voltage differential signal LVDS serial port, and the serial peripheral interface SPI and the low-voltage differential signal LVDS serial port are connected with the circuit board of the frequency comprehensive transceiver assembly 2 and the circuit board of the signal processing assembly 4.

[0057] Specifically, the high-speed connector KK has the advantages of small size, stable structure and being suitable for high-speed data transmission.

[0058] The circuit board of the acquisition and control assembly 3 is also provided with an external interface connector and a corresponding cable; the external interface connector and the corresponding cable are exposed on the rectangular opening on the surface of the shell of the acquisition and control assembly 3 and connected to the high-speed connector on the test interface 6 of the radar device shell.

[0059] Specifically, the cable on the external interface connector of the circuit board of the acquisition and control assembly 3 is connected with the HSI type high-speed connector and the J63A type aviation connector on the test interface 6 of the radar device through the rectangular opening on the upper surface of the shell of the acquisition and control assembly 3.

[0060] Compared with the prior art, the detection radar system provided by the embodiment comprises a radar device, a high-speed data acquisition and storage device and a test bench. The radar device comprises a shell, and the upper surface of the shell is provided with a test interface 6 comprising a high-speed connector. The high-speed data acquisition and storage device is connected with the radar device through the high-speed connector of the test interface. The high-speed connector comprises a CAN interface, a radar synchronization pulse interface, a distance wave door interface, a modulation pulse interface and a transceiver timing interface. The high-speed data acquisition and storage device is connected with the test bench. The fault of the radar device can be quickly located. The detection radar system provided by the embodiment is characterized in that the partition plate, the shell of the frequency synthesis transceiver assembly 2 and the surface of the shell of the acquisition and control assembly 3 are all provided with rectangular openings. The circuit board of the phased array antenna feeder assembly 1, the circuit board of the frequency synthesis transceiver assembly 2 and the circuit board of the acquisition and control assembly 3 are all provided with high-speed connectors KK. The high-speed connectors KK on the circuit board of the phased array antenna feeder assembly 1 and the circuit board of the frequency synthesis transceiver assembly 2 are respectively inserted through the rectangular openings of the partition plate and the shell of the frequency synthesis transceiver assembly 2. The high-speed connector KK between the circuit board of the frequency synthesis transceiver assembly 2 and the circuit board of the acquisition and control assembly 3 is inserted through the rectangular openings of the corresponding shells. The plug-in connectors are directly inserted, thereby reducing the use of cables and the volume of the radar device. The detection radar system provided by the embodiment concentrates the test and storage functions on the high-speed data acquisition and storage device outside the radar device. The high-speed data acquisition and storage device is connected with the test interface. The volume of the radar device is further reduced. The circuit board of the signal processing assembly 4 of the radar device is installed to the front surface of the shell of the power supply assembly 5. The heat-conducting pad is added in the middle to achieve good heat dissipation and save space. The radar device provided by the embodiment is designed in a rectangular structure. The structure is regular, small in volume, light in weight, low in power consumption and good in sealing. The plug-in connectors of the external interface are convenient for connection with external devices.

[0061] Those skilled in the art can understand that the programs / software involved in the above embodiments are common methods in the prior art. The utility model does not involve any improvement in software. The utility model only needs to connect the devices with corresponding functions through the connection relationship given in the embodiment of the utility model, which does not involve any improvement in program / software. As for the connection mode between the hardware devices with corresponding functions, it can be realized by using the prior art, which is not described in detail here.

[0062] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A compact radar system, characterized by The system comprises a radar device, a high-speed data acquisition storage device and a test bench. The radar device comprises a housing, and a test interface is arranged on the upper surface of the housing, wherein the test interface comprises a high-speed connector; the high-speed data acquisition storage device is connected with the radar device through the high-speed connector of the test interface; the high-speed connector comprises a CAN interface, a radar synchronous pulse interface, a distance wave gate interface, a modulation pulse interface and a transceiver timing interface; and the high-speed data acquisition storage device is connected with the test bench.

2. The compact radar system of claim 1, wherein, The high-speed connector of the test interface comprises an HSI type high-speed connector and a J63A type aviation connector.

3. The compact radar system of claim 1, wherein, The high-speed data acquisition storage device comprises a test board, an optical fiber and a data acquisition storage; the test board comprises first to third high-speed connectors and an optical module; the first and second high-speed connectors are respectively connected with the HSI type high-speed connector and the J63A type aviation connector of the test interface of the radar device; and the first and second high-speed connectors are connected with the optical module internally. The optical module is provided with an optical interface, the optical interface is connected with the optical fiber, and the other end of the optical fiber is connected with the data acquisition storage. The third high-speed connector is connected with the data acquisition storage at one end and connected with the test bench at the other end.

4. The compact radar system of claim 1, wherein, The housing of the radar device is of an open front and rear end structure, and the radar device further comprises a phased array antenna feeder assembly, a frequency comprehensive transceiver assembly, an acquisition and control assembly, a signal processing assembly and a power supply assembly; the phased array antenna feeder assembly comprises a circuit board; a partition is arranged in the housing of the radar device, and the circuit board of the phased array antenna feeder assembly is arranged on the side of the partition close to the front end of the housing; the frequency comprehensive transceiver assembly, the acquisition and control assembly and the signal processing assembly are sequentially arranged on the other side of the partition; a skin is arranged on the front end of the housing to seal the front end of the housing; the frequency comprehensive transceiver assembly, the acquisition and control assembly and the power supply assembly each comprise a housing and a circuit board arranged in the housing; the housing of the power supply assembly serves as a cover plate of the rear end of the housing of the radar device, and forms a sealed structure with the housing of the radar device.

5. The compact radar system of claim 4, wherein, The signal processing assembly comprises a circuit board, the circuit board of the signal processing assembly is mounted on the side of the outer surface of the housing of the power supply assembly facing the front end opening of the housing of the radar device, and a heat-conducting pad is arranged between the contact surface of the circuit board of the signal processing assembly and the housing of the power supply assembly.

6. The compact radar system of claim 4, wherein, The partition, the housing of the frequency comprehensive transceiver assembly and the housing of the acquisition and control assembly are each provided with a plurality of rectangular openings; the circuit board of the phased array antenna feeder assembly, the circuit board of the frequency comprehensive transceiver assembly and the circuit board of the acquisition and control assembly are each provided with a high-speed connector KK; the high-speed connectors KK on the circuit board of the phased array antenna feeder assembly and the circuit board of the frequency comprehensive transceiver assembly are respectively inserted through the rectangular openings of the partition and the rectangular openings on the side of the housing of the frequency comprehensive transceiver assembly facing the partition; and the high-speed connector KK between the circuit board of the frequency comprehensive transceiver assembly and the circuit board of the acquisition and control assembly is inserted through the rectangular openings on the corresponding housings.

7. The compact radar system of claim 6, wherein, The high-speed connector KK on the circuit board of the acquisition and control assembly is provided with a serial peripheral interface SPI and a low-voltage differential signal LVDS serial port, and the serial peripheral interface SPI and the low-voltage differential signal LVDS serial port are connected with the circuit board of the frequency comprehensive transceiver assembly and the circuit board of the signal processing assembly.

8. The compact radar system of claim 6, wherein, The external interface connector and the corresponding cable are exposed on the surface of the rectangular opening of the acquisition and control assembly shell and are connected to the high-speed connector on the radar device shell test interface.

9. The compact radar system of claim 4, wherein, The shell of the radar device, the frequency synthesizer assembly, the acquisition and control assembly and the power supply assembly are all made of aluminum alloy 6063-T6, and the surface treatment of the aluminum alloy 6063-T6 is black spraying.

10. The compact radar system of claim 4, wherein, The skin of the front port of the radar device shell is made of quartz fiber composite material, and the surface of the skin is subjected to paint spraying treatment.

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