Synthetic aperture millimeter wave radar signal processing device
By rotating the antenna base in the synthetic aperture millimeter-wave radar signal processing device, the problem of reduced signal strength received by directional antennas was solved, the signal reception range was expanded and stability was improved, and the monitoring efficiency of icing on high-voltage power lines was increased.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2026-03-20
AI Technical Summary
Millimeter-wave radar typically uses directional antennas, whose radiation and reception directions are directional. In particular, for the areas on both sides of the signal transceiver module, the strength of the received signal will decrease significantly beyond the angular range of the transceiver module, affecting the stable transmission of the signal and the monitoring range.
A synthetic aperture millimeter-wave radar signal processing device was designed. By rotating the antenna base installed inside the housing to a vertical position, the received signal is transmitted to the circuit board module for processing through a transmission line, thereby increasing the signal reception range and stability.
It improves the range and stability of signal reception, enhances the ability to monitor large-scale icing on high-voltage power lines, reduces the impact of external interference on signal reception, and improves monitoring speed and reliability.
Smart Images
Figure CN224021053U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to millimeter wave radar technical field, especially in kind synthetic aperture millimeter wave radar signal processing device. BACKGROUND
[0002] High voltage wire icing is a phenomenon that occurs on high voltage transmission line under certain meteorological conditions, and icing will affect the safety of line use, and using synthetic aperture millimeter wave radar can monitor high voltage line icing, which is not affected by factors such as severe weather, electromagnetic interference, etc., in practical application, millimeter wave radar signal processing device usually needs the following technologies:
[0003] 1, radio frequency front end, produces and transmits millimeter wave signal, receives millimeter wave echo signal reflected by target at the same time;
[0004] 2, signal processing module, converts received analog echo signal into digital signal for digital signal processing;
[0005] 3, data processing module, carries out imaging processing to echo signal to obtain two-dimensional or three-dimensional image of target;
[0006] 4, control and display module, controls and manages the whole radar signal processing device.
[0007] Synthetic aperture millimeter wave radar transmits millimeter wave signal to high voltage line and receives signal reflected by line, and icing will increase the diameter of line, thereby causing the strength and phase of reflected signal to change, through antenna receiving signal, processing collected radar data, high resolution line image can be obtained, thereby more accurately detecting line icing condition.
[0008] Millimeter wave radar usually adopts directional antenna, and its radiation and receiving direction has certain directivity, especially for the two side areas of signal transceiver module, the strength of received signal will decrease significantly beyond the angle range of transceiver module, which affects the stable transmission of signal, and the angle of transmitted signal is limited, the range of line icing monitoring is limited, which leads to the decline of monitoring ability of radar. UTILITY MODEL CONTENTS
[0009] (I) the technical problem solved: in view of the shortage of prior art, the utility model provides a kind of synthetic aperture millimeter wave radar signal processing device, solve the technical problem that millimeter wave radar usually adopts directional antenna, and its radiation and receiving direction has certain directivity, especially for the two side areas of signal transceiver module, the strength of received signal will decrease significantly beyond the angle range of transceiver module.
[0010] (II) technical scheme: to achieve the above purposes, the utility model is realized by the following technical scheme:
[0011] A synthetic aperture millimeter wave radar signal processing device, including a shell, both side ends of the shell are slidingly installed with receiving frames, the side ends of each receiving frame are rotatably installed with two antenna bases, the top ends of each antenna base are slidingly installed with receiving ends, the ends of each antenna base are fixedly installed with fixed rods, the surfaces of each fixed rod are fixedly installed with collars.
[0012] Preferably: the side ends of the two fixed rods are provided with the same connecting plates, the side ends of each connecting plate are fixedly installed with transmission lines, the side ends of each connecting plate are fixedly installed with two driving rods, the two side ends of each receiving frame are slidingly installed with positioning blocks, the side ends of each positioning block are fixedly installed with L-shaped rods, the side ends of each positioning block are fixedly installed with two telescopic rods, the top end of the shell is fixedly installed with a circuit board module, and the top end of the circuit board module is fixedly installed with a fairing.
[0013] (Three) beneficial effects: 1. By rotating the antenna base, the antenna base is rotated in the interior of the receiving frame, the two antenna bases are rotated upward, and the rotation is in a vertical state, and the top end of the antenna base is slidingly installed with the receiving end. The signals transmitted on both sides of the shell are received, and then transmitted to the circuit board module through the transmission line for data processing, increasing the range of signal reception and ensuring the stability of signal reception, facilitating large-scale monitoring of high-voltage wire icing, and improving the monitoring speed.
[0014] 2. The interior of the shell is slidingly installed with two receiving frames, and the interior of the receiving frame is rotatably installed with an antenna base. One end of the antenna base is connected with the circuit board module through the transmission line. The hidden design can place the antenna base in the interior of the receiving frame or the shell, so that the antenna base is in a safe position, reduces the influence of external interference on signal reception, improves the stability and reliability of the signal, and reduces the volume of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0015] The above description is only a summary of the technical scheme of the present application. In order to more clearly understand the technical means of the present application, and can be implemented in accordance with the content of the specification, the following is a detailed description of the preferred embodiments of the present application with reference to the drawings.
[0016] Figure 1 It is a structural view of the shell of the present application;
[0017] Figure 2 It is a structural view of the receiving frame of the present application;
[0018] Figure 3 It is a structural view of the antenna base of the present application;
[0019] Figure 4 The structure diagram of the receiving end of the utility model.
[0020] Legend: 11, shell; 12, storage rack; 13, antenna base; 14, receiving end; 15, connecting plate; 16, transmission line; 17, driving rod; 18, fixed rod; 19, collar; 21, positioning block; 22, L-shaped rod; 23, telescopic rod; 24, circuit board module; 25, fairing. DETAILED DESCRIPTION
[0021] The embodiment of the application provides a synthetic aperture millimeter wave radar signal processing device, effectively solves the problem that millimeter wave radar usually adopts a directional antenna, the radiation and receiving direction have a certain directivity, especially for the two side regions of the signal transceiving module, the strength of the received signal will significantly decrease beyond the angle range of the transceiving module, the antenna base is rotated in the inside of the storage rack, the two antenna bases are rotated upward, the rotation is in a vertical state, the top end of the antenna base is slidably installed on the receiving end, the signals transmitted on the two sides of the shell are received, then the signals are transmitted to the circuit board module through the transmission line, data processing is conducted, the signal receiving range is increased, and the signal receiving stability is ensured.
[0022] Embodiment: as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 The technical scheme in the embodiment of the application effectively solves the technical problem that millimeter wave radar usually adopts a directional antenna, the radiation and receiving direction have a certain directivity, especially for the two side regions of the signal transceiving module, the strength of the received signal will significantly decrease beyond the angle range of the transceiving module, and the general idea is as follows:
[0023] In view of the problems in the prior art, the utility model provides a synthetic aperture millimeter wave radar signal processing device, including shell 11, the both sides of shell 11 are slidably installed with storage rack 12, the side end of each storage rack 12 is rotatably installed with two antenna bases 13, the top of each antenna base 13 is slidably installed with receiving end 14, shell 11 receives the millimeter wave signal reflected by the target, circuit board module 24 processes the received signal to extract the information of the target, the obtained data is transmitted to the display through the connecting line of the side end of shell 11, so that the staff can monitor the thickness of the high-voltage conductor icing, the end of each antenna base 13 is fixedly installed with fixed rod 18, and the surface of each fixed rod 18 is fixedly installed with collar 19.
[0024] The side end of each of the two fixed rods 18 is provided with a same connecting plate 15, the side end of each connecting plate 15 is fixedly installed with a transmission line 16, the side end of each connecting plate 15 is fixedly installed with two drive rods 17, the two side ends of each receiving frame 12 are slidingly installed with a positioning block 21, the side end of each positioning block 21 is fixedly installed with an L-shaped rod 22, the side end of each positioning block 21 is fixedly installed with two telescopic rods 23, the top end of the shell 11 is fixedly installed with a circuit board module 24, the two antenna bases 13 are rotated upward to a vertical state, the top end of the antenna base 13 is slidingly installed on the receiving end 14, signals transmitted to the two sides of the shell 11 are received, and then transmitted to the circuit board module 24 through the transmission line 16, and the top end of the circuit board module 24 is fixedly installed with a fairing 25.
[0025] Working principle:
[0026] Firstly, the side end of the shell 11 is installed with a connecting line, power is supplied to the inside of the shell 11, millimeter wave signals of a specific frequency are emitted by the antenna in the shell 11, the signal waves are transmitted to the outside through the fairing 25, and are in contact with the high-voltage wire, the diameter of the high-voltage line is increased due to icing, so that the strength and phase of the reflected signal change, at the same time, the shell 11 receives the millimeter wave signals reflected by the target, the circuit board module 24 processes the received signals to extract the information of the target, and the obtained data is transmitted to the display through the connecting line at the side end of the shell 11, so as to facilitate the staff to monitor the thickness of the icing of the high-voltage wire, the inside of the shell 11 is slidingly installed with two receiving frames 12, the receiving frame 12 is pushed to slide and press the top end of the drive rod 17, at the same time, the movement of the receiving frame 12 drives the positioning block 21 to rub in the inside of the shell 11, the top end of the positioning block 21 is a soft material, the receiving frame 12 is driven by the two drive rods 17 to move horizontally, the receiving frame 12 drives the antenna base 13 to move away from the inside of the shell 11, at the same time, the positioning block 21 is in a rubbing state in the inside of the shell 11, the positioning block 21 is pressed to slide to the inside of the receiving frame 12, the top end of the telescopic rod 23 is pressed, the telescopic rod 23 is compressed under stress, always generates a reverse thrust to the positioning block 21, and the positioning block 21 drives the L-shaped rod 22 to move to one side of the sleeve ring 19, so that one end of the L-shaped rod 22 is in contact with the surface of the sleeve ring 19.
[0027] Second, by rotating the antenna base 13, let antenna base 13 in the inside of the storage rack 12 rotation, the two antenna base 13 is rotated upward, rotation is vertical state, while the top end of the antenna base 13 sliding installation platform receiving end 14, receiving the signal transmission to the two sides of the shell 11, and then through the transmission line 16 to the circuit board module 24, data processing, increase the range of signal reception, ensure the stability of signal reception, while rotating, the antenna base 13 drives the fixed rod 18 rotation, fixed rod 18 and connecting plate 15 are also rotating connection, fixed rod 18 drives the ring 19 rotation, the surface of the ring 19 is provided with a plurality of arc grooves, rotating ring 19 and L type rod 22 side end friction, extrusion L type rod 22 movement, but the positioning block 21 moves in the inside of the shell 11, limit the lower direction of positioning block 21, under the positioning of the positioning block 21, L type rod 22 and the surface of the ring 19 friction, the fixed position of the rotating telescopic rod 23.
[0028] Finally, it should be noted that: obviously, the above examples are merely for the purpose of clearly illustrating the utility model made, and not limited to the implementation. For those of ordinary skill in the art, on the basis of the above description can also be made other different forms of changes or variations. Here do not need to and can not all the implementation to be exhausted. The obvious changes or variations derived from still within the scope of the utility model.
Claims
1. A synthetic aperture millimeter-wave radar signal processing device, comprising a housing (11), characterized in that, The outer shell (11) is slidably mounted with a storage rack (12) on both sides. Each storage rack (12) is rotatably mounted with two antenna bases (13) on its side. Each antenna base (13) is slidably mounted with a receiver (14) on its top. Each antenna base (13) is fixedly mounted with a fixing rod (18) at its end. Each fixing rod (18) is fixedly mounted with a collar (19) on its surface. The surface of the collar (19) is provided with multiple arc-shaped grooves, and the two antenna bases (13) are symmetrically installed respectively.
2. The synthetic aperture millimeter-wave radar signal processing device as described in claim 1, characterized in that, Both of the fixed rods (18) are provided with the same connecting plate (15) at their side ends, and a transmission line (16) is fixedly installed at the side end of each connecting plate (15).
3. The synthetic aperture millimeter-wave radar signal processing device as described in claim 2, characterized in that, Two drive rods (17) are fixedly installed on the side end of each of the connecting plates (15).
4. The synthetic aperture millimeter-wave radar signal processing device as described in claim 1, characterized in that, Each of the storage racks (12) has a positioning block (21) slidably mounted on both sides, and each of the positioning blocks (21) has an L-shaped rod (22) fixedly mounted on its side.
5. The synthetic aperture millimeter-wave radar signal processing device as described in claim 4, characterized in that, Two telescopic rods (23) are fixedly installed on the side end of each of the positioning blocks (21).
6. The synthetic aperture millimeter-wave radar signal processing device as described in claim 1, characterized in that, A circuit board module (24) is fixedly installed on the top of the outer shell (11), and a fairing (25) is fixedly installed on the top of the circuit board module (24).