Device for centering microwave anechoic chamber
By combining a microwave darkroom centering device with a laser rangefinder and an image collector, the problems of complex structure and cumbersome operation in the prior art are solved, and the simplified structure, convenient operation and high-precision centering effects are achieved.
Patent Information
- Application Number
- CN202422802730.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-11-18
AI Technical Summary
The existing radar antenna centering device has complex structure, cumbersome operation, long testing time and high cost, and is not suitable for daily use.
A microwave darkroom centering device that combines a laser rangefinder and an image collector includes a laser rangefinder tooling, an image collector, an auxiliary light source, a turntable, a main control computer, a turntable communication computer, a router and a power supply. The center distance is measured through the laser rangefinder, the image collector obtains electronic images, and the main control computer calculates errors and adjusts the antenna position.
It realizes simplified structure, convenient operation, improves centering accuracy and shortens testing time, which is conducive to daily use.
Smart Images

Figure CN223258940U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of radar antenna calibration, in particular to a device for centering a microwave darkroom. Background Art
[0002] With the rapid development of electronic information technology, radar plays an increasingly important role in modern warfare. Radar countermeasure simulation tests are typically conducted in a microwave anechoic chamber. This requires aligning the axes of the three-axis simulation turntable and the radar antenna to minimize errors during radar simulation.
[0003] Currently, turntable alignment is performed using testing equipment such as total stations. This is complex, time-consuming, and tedious, requiring specialized equipment such as total stations. This is time-consuming and costly for routine alignment, making it unsuitable for daily use. Utility Model Content
[0004] In view of the above analysis, the present invention aims to provide a microwave darkroom centering device to solve the problems of complex structure and cumbersome centering test of existing centering devices.
[0005] The purpose of this utility model is mainly achieved through the following technical solutions:
[0006] A device for centering a microwave darkroom comprises: a laser rangefinder, an image collector, a laser rangefinder tooling, an auxiliary light source, a turntable, a main control computer, a turntable communication computer, a router and a power supply; the laser rangefinder, the image collector and the auxiliary light source are all mounted on the laser rangefinder tooling, and the laser rangefinder tooling is fixed on the turntable; the laser rangefinder and the image collector are both electrically connected to the main control computer; the turntable is electrically connected to the turntable communication computer; the main control computer and the turntable communication computer are both connected to the router; and the auxiliary light source and the image collector are both electrically connected to the power supply.
[0007] Based on the further improvement of the above solution, the laser rangefinder is located on the central axis of the turntable.
[0008] Based on the further improvement of the above solution, the image collector and the auxiliary light source are respectively located on both sides of the laser rangefinder.
[0009] Based on the further improvement of the above solution, the image collector is electrically connected to the main control computer via a USB interface.
[0010] Based on the further improvement of the above solution, the laser rangefinder is electrically connected to the main control computer via the RS232 serial port.
[0011] Based on the further improvement of the above solution, the image collector includes a telescope and a camera.
[0012] Based on the further improvement of the above solution, the turntable is a three-axis turntable in the form of a UUT structure.
[0013] Based on the further improvement of the above solution, the power supply is a 12V2A voltage stabilizer; the auxiliary light source is a halogen spotlight or an LED lamp.
[0014] Based on a further improvement of the above solution, the device also includes a remote monitoring computer, which is connected to the router.
[0015] Based on the further improvement of the above solution, the main control computer and the turntable communication computer are also connected via optical fiber.
[0016] Compared with the existing technology, the present invention can achieve at least one of the following beneficial effects: microwave darkroom centering is achieved by using a laser rangefinder and an image collector, the entire centering device has a simple structure, convenient centering operation, high centering accuracy and short time, which is conducive to daily use.
[0017] In the present invention, the above-mentioned technical solutions can be combined with each other to achieve more preferred combinations. Other features and advantages of the present invention will be described in the following content, and some advantages will become apparent from the description or be understood through practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the contents particularly pointed out in the text and drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The accompanying drawings are only used to illustrate specific embodiments and are not considered to limit the present invention. Throughout the accompanying drawings, the same reference symbols represent the same components.
[0019] Figure 1 This is a schematic diagram of the structure of a microwave darkroom centering device in an embodiment of the present utility model. DETAILED DESCRIPTION
[0020] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, and are not used to limit the scope of the present invention.
[0021] A specific embodiment of the present utility model discloses a device for centering a microwave darkroom, such as Figure 1As shown, the device includes: a laser rangefinder, an image collector, a laser rangefinder tooling, an auxiliary light source, a turntable, a main control computer, a turntable communication computer, a router and a power supply; the laser rangefinder, the image collector and the auxiliary light source are all installed on the laser rangefinder tooling, and the laser rangefinder tooling is fixed on the turntable; the laser rangefinder and the image collector are both electrically connected to the main control computer; the turntable is electrically connected to the turntable communication computer; the main control computer and the turntable communication computer are both connected to the router; and the auxiliary light source and the image collector are both electrically connected to the power supply.
[0022] It should be noted that the turntable is a three-axis turntable in the form of a UUT structure, and the laser rangefinder is located on the central axis of the turntable and is used to measure the distance from the central antenna to the center of the turntable.
[0023] Furthermore, the power supply is a 12V2A voltage regulator, and the image collector and the auxiliary light source are respectively on both sides of the laser rangefinder and are electrically connected to the power supply.
[0024] Among them, the image collector includes a telescope and a camera, which is used to obtain optical images of each sampling point on the antenna and convert them into electronic images; the auxiliary light source is a halogen spotlight or LED lamp, which is used to provide additional lighting for measurement in a microwave darkroom.
[0025] During implementation, the laser rangefinder is electrically connected to the main control computer via the RS232 serial port and feeds back the collected distance to the main control computer; the image collector is electrically connected to the main control computer via the USB interface and feeds back the electronic image of each sampling point to the main control computer.
[0026] Furthermore, the main control computer and the turntable communication computer are connected via optical fiber, and the main control computer sends instructions to the turntable communication computer via the optical fiber; the turntable is connected to the turntable communication computer via the RS232 serial port; and the turntable communication computer controls the movement of the turntable.
[0027] Furthermore, the main control computer displays the received information on a screen and calculates the error of the antenna's installation geometric center, and adjusts the antenna position according to the error.
[0028] Preferably, the device of this embodiment further includes a remote monitoring computer, which is connected to the router and is in the same network as the main control computer and the turntable communication computer, and is used to monitor the status of the radar antenna.
[0029] Compared with the prior art, the present embodiment provides a microwave darkroom centering device that utilizes a laser rangefinder and an image collector to achieve microwave darkroom centering. The entire centering device has a simple structure, convenient centering operation, high centering accuracy, and a short time, which is beneficial for daily use.
[0030] Those skilled in the art will appreciate that the programs / software involved in the image acquisition device converting optical images into electronic images and the main control computer calculating the error in the geometric center of the installation in the above-mentioned embodiments are common methods in the prior art, and the present invention does not involve any software improvements. The present invention merely requires connecting the various devices with corresponding functions through the connection relationships provided in the embodiments of the present invention, and does not involve any program or software improvements. As for the connection methods between the various hardware devices with corresponding functions, these can be implemented by those skilled in the art using existing technologies and will not be described in detail here.
[0031] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any changes or replacements that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed in the present invention should be covered by the protection scope of the present invention.
Claims
1. A device for centering a microwave darkroom, characterized in that: The device includes: a laser rangefinder, an image collector, a laser rangefinder tooling, an auxiliary light source, a turntable, a main control computer, a turntable communication computer, a router and a power supply; the laser rangefinder, the image collector and the auxiliary light source are all installed on the laser rangefinder tooling, and the laser rangefinder tooling is fixed on the turntable; the laser rangefinder and the image collector are both electrically connected to the main control computer; the turntable is electrically connected to the turntable communication computer; the main control computer and the turntable communication computer are both connected to the router; and the auxiliary light source and the image collector are both electrically connected to the power supply.
2. The device for centering a microwave darkroom according to claim 1, characterized in that: The laser rangefinder is located on the central axis of the turntable.
3. The device for centering a microwave darkroom according to claim 2, characterized in that: The image collector and the auxiliary light source are respectively located on both sides of the laser rangefinder.
4. The device for centering a microwave darkroom according to claim 1, characterized in that: The image collector is electrically connected to the main control computer via a USB interface.
5. The device for centering a microwave darkroom according to claim 1, characterized in that: The laser rangefinder is electrically connected to the main control computer via an RS232 serial port.
6. The device for centering a microwave darkroom according to claim 1, characterized in that: The image collector includes a telescope and a camera.
7. The device for centering a microwave darkroom according to claim 1, characterized in that: The turntable is a three-axis turntable in the form of a UUT structure.
8. The device for centering a microwave darkroom according to claim 1, characterized in that: The power supply is a 12V 2A voltage stabilizer; the auxiliary light source is a halogen spotlight or an LED lamp.
9. The device for centering a microwave darkroom according to claim 1, characterized in that: The device further comprises a remote monitoring computer connected to the router.
10. The device for centering a microwave darkroom according to claim 1, characterized in that: The main control computer and the turntable communication computer are also connected via optical fiber.