Portable radio environment test device capable of rapidly and accurately positioning
By adopting a combination of a cylindrical shielding device and a slide rail assembly in the radio environment test device, the precise positioning and portability of radio product tests in the prior art is solved, and precise measurement of electrical performance parameters and light movement are achieved.
Patent Information
- Application Number
- CN202420500636.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-14
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-03-14
AI Technical Summary
The existing radio product environmental testing devices lack precise positioning structure and cannot conduct precise quantity testing. The device is heavy and has difficulty in moving, making it difficult to accurately measure electrical performance parameters in high and low temperature environments.
A lightweight radio environment test device is designed, using a cylindrical shielding device and a slide rail assembly, and precise position adjustment of the test product is achieved through the lead screw slide mechanism and servo motor or handwheel drive, and high-power honeycomb suction is used. Wave materials replace traditional materials, simplify structure and improve portability.
Accurate measurement of the electrical performance parameters of radio products is achieved, reducing the weight and operation difficulty of the test device, and improving the accuracy and convenience of the test.
Smart Images

Figure CN222259401U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of radio testing, in particular to a portable radio environment testing device capable of rapid and accurate positioning. Background Art
[0002] It is well known that in some high and low temperature environment test scenarios of radio products, the radio product under test needs to be placed in a shielded absorbing assembly to test the relevant electrical performance parameters; however, there are still many problems with the existing radio product environmental test device solutions, such as: there is no precise positioning structure in the test device, and only qualitative tests can be performed on the electrical performance parameters of the radio product, but no precise quantitative tests can be performed; the absorbing material structure in the test device is designed to be silicone rubber or ceramic material, and the test device is heavy and inconvenient to move; the above defects are problems that need to be solved urgently by those skilled in the art;
[0003] A Chinese patent (publication number: CN210536649U) discloses an aerial OTA performance test system for out-of-band unwanted emission indicators of wireless devices; the patent includes a darkroom, a turntable, a wireless device under test, a signal detection component, a spectrum analyzer and a control device, wherein the path loss of the darkroom is lower than the difference between the required value of the out-of-band unwanted emission indicator of the wireless device under test and the background noise value of the spectrum analyzer; a single signal detection component is used as a probe to cooperate with a turntable that can rotate horizontally and vertically to perform near-field testing of the out-of-band unwanted emission indicator of the wireless device under test; however, the overall size of the patent is large, and the position of the radio product under test cannot be accurately adjusted. Utility Model Content
[0004] In order to overcome the deficiencies in the background technology, the utility model discloses a portable radio environment test device which can be positioned quickly and accurately.
[0005] In order to achieve the above-mentioned invention object, the utility model adopts the following technical solutions:
[0006] A portable radio environment test device capable of rapid and accurate positioning comprises a detection component for detection, a shielding device and a fixing device; the shielding device is a cylindrical structure, and an array of absorbing materials for providing an approximately echo-free shielding protection environment are arranged inside the shielding device; a detection component is provided at one end of the shielding device, and a fixing device for fixing a radio product under test is provided at the other end of the shielding device; the fixing device is connected to the shielding device in an adjustable distance through a slide rail component.
[0007] Preferably, a base is provided at the bottom of the shielding device, and the shielding device is detachably connected to the base via a detachable clamp assembly.
[0008] Preferably, the slide rail assembly is a screw slide mechanism correspondingly connected to the base, the fixing device is correspondingly fastened to the slide of the screw slide mechanism, and the screw slide mechanism is driven by a servo motor or by a manually rotating handwheel.
[0009] Preferably, the fixing device comprises a fixed block and a movable block, a groove for clamping the radio product under test is provided between the fixed block and the movable block, and the movable block is detachably connected to the fixed block by bolts.
[0010] Preferably, a handle is provided on the outer side of the shielding device.
[0011] Preferably, a protective cover is provided on the outside of the detection component.
[0012] Due to the adoption of the above-mentioned technical solution, the utility model has the following beneficial effects:
[0013] The utility model discloses a portable radio environment test device capable of rapid and accurate positioning, which has a simple structure and is easy to assemble; a fixing device is connected to a shielding device through a slide rail assembly in a distance-adjustable manner, and can facilitate accurate adjustment of the position of a radio product under test in the shielding device, so as to facilitate accurate measurement of relevant electrical performance parameters of the radio product under test; the slide rail assembly is a lead screw slide mechanism correspondingly connected to a base; the lead screw slide mechanism operates smoothly and can accurately adjust the position of the slide; when the position of the radio product under test needs to be adjusted, the slide can be driven to move by controlling a servo motor, or the slide can be driven to move by manually rotating a hand wheel, so that the position of the radio product under test can be quantitatively adjusted, and the accuracy of the test of the radio product under test can be further improved;
[0014] The absorbing material can use high-power honeycomb absorbing material instead of traditional silicone rubber or ceramic material, which can greatly reduce the overall weight; at the same time, the shielding device is detachably connected to the base through a detachable clamp assembly; that is, the shielding device is separable from the base, and the clamp assembly can be quickly disassembled and assembled, which is convenient for carrying the shielding device and the slide rail assembly separately. When in use, the shielding device can be quickly assembled through the clamp assembly, which improves convenience and reduces operation difficulty. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model;
[0016] Figure 2 is a structural schematic diagram of a slide rail assembly;
[0017] Figure 3 A schematic diagram of the structure of the fixing device.
[0018] In the figure: 1. detection component; 2. shielding device; 3. fixing device; 4. absorbing material; 5. slide rail assembly; 6. base; 7. clamp assembly; 8. handle; 9. protective cover. DETAILED DESCRIPTION
[0019] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction.
[0020] Embodiment 1, in combination with Figure 1 , a portable radio environment test device capable of rapid and accurate positioning, comprising a detection component 1 for detection, a shielding device 2 and a fixing device 3; the shielding device 2 is a cylindrical structure, and an absorbing material 4 for providing an approximately echo-free shielding protection environment is arranged in an array inside the shielding device 2, and an approximately echo-free shielding protection environment is provided when the radio product under test is working through the combination of the shielding device 2 and the absorbing material 4, so as to protect the safety of the radio product under test and the safety of the tester; a detection component 1 is provided at one end of the shielding device 2, and a fixing device 3 for fixing the radio product under test is provided at the other end of the shielding device 2, which is used for rapid installation, locking and fixing of the radio product under test; the fixing device 3 is connected to the shielding device 2 in an adjustable distance through a slide rail assembly 5, so as to facilitate accurate adjustment of the position of the radio product under test in the shielding device 2, so as to facilitate accurate measurement of relevant electrical performance parameters of the radio product under test;
[0021] When in use, the radio product under test is firmly fixed by the fixing device 3, and the position of the radio product under test in the shielding device 2 is adjusted by the slide rail assembly 5 according to the test needs; during the test, a radio signal is fed from the input port of the detection assembly 1 to control the working state of the radio product under test, and the radio signal at the receiving port of the radio product under test is detected by using a spectrum analyzer, so that the electrical performance parameters of the receiving state can be accurately measured; the radio product under test is controlled to work in the transmitting state, and the radio signal energy is detected from the output port of the detection assembly 1 by using a power meter, so that the electrical performance parameters of the transmitting state can be accurately measured;
[0022] It should be noted that in this embodiment, the absorbing material 4 can use high-power honeycomb absorbing material instead of traditional silicone rubber or ceramic material, which can greatly reduce the overall weight and facilitate the rapid and accurate installation of the radio product under test on the test platform to achieve quantitative testing of electrical performance parameters.
[0023] Embodiment 2: In actual use, it is found that the overall structure of the above embodiment is large and heavy, which is not convenient to carry. In order to solve this technical problem, this embodiment is further improved;
[0024] Combined with Figure 1 , a portable radio environment test device that can be quickly and accurately positioned. On the basis of Example 1, a base 6 is provided at the bottom of the shielding device 2, and the shielding device 2 is detachably connected to the base 6 through a detachable clamp assembly 7; it should be noted that the slide rail assembly 5 can be indirectly connected to the shielding device 2 through the base 6; that is, the shielding device 2 and the base 6 are separable, and the clamp assembly 7 can be used to achieve rapid disassembly and assembly, which is convenient for carrying the shielding device 2 and the slide rail assembly 5 separately; when in use, the shielding device 2 can be quickly assembled through the clamp assembly 7, which improves convenience and reduces the difficulty of operation;
[0025] In addition, a handle 8 is provided on the outside of the shielding device 2 to facilitate the operator to carry the shielding device 2; a protective cover 9 is provided on the outside of the detection component 1, that is, the detection component 1 can be protected by the protective cover 9 to avoid damage to the detection component 1 during transportation.
[0026] Embodiment 3, although the above embodiment can firmly fix the radio product under test, and can adjust the position of the radio product under test through the slide rail assembly 5, it is found in actual use that the installation or removal of the radio product under test and the fixing device 3 is not convenient enough, and the adjustment of the position of the radio product under test is not accurate enough, and the above technical problems are not solved. This example is further improved;
[0027] Combined with Figures 1 to 3 , a portable radio environment test device capable of rapid and accurate positioning, which is different from Example 1 in that, based on Example 1 or 2, the fixing device 3 comprises a fixed block and a movable block, a groove for clamping the radio product under test is provided between the fixed block and the movable block, and the movable block and the fixed block are detachably connected by bolts; the fixed block and the movable block can be separated when installing or disassembling the radio product under test; when the radio product under test needs to be fixed, the radio product under test can be placed in the groove between the fixed block and the movable block, and the radio product under test can be firmly fixed by tightening the gap between the movable block and the fixed block with bolts;
[0028] The slide rail assembly 5 is a screw slide mechanism correspondingly connected to the base 6, the fixing device 3 is correspondingly and tightly connected to the slide of the screw slide mechanism, and the screw slide mechanism is driven by a servo motor or by manually rotating a hand wheel; that is, the frame of the screw slide mechanism can be correspondingly and tightly connected to the base 6, so that the fixing device 3 is tightly connected to the slide of the screw slide mechanism, and the fixing device 3 is driven by the slide to move; the screw slide mechanism runs smoothly and can accurately adjust the position of the slide; when it is necessary to adjust the position of the radio product under test, the servo motor can be controlled to drive the slide to move, or the hand wheel can be manually rotated to drive the slide to move, so that the position of the radio product under test can be quantitatively adjusted, and the accuracy of the test of the radio product under test can be further improved;
[0029] It should be noted that the frame or handwheel position of the screw slide mechanism is provided with scale markings, so as to further judge whether the position adjustment of the radio product under test is in place, and at the same time, the distance between each radio product under test and the calibrated position can be calculated as one of the calculation parameters for the subsequent electrical performance test.
[0030] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended that all changes that fall within the meaning and scope of equivalent elements are included in the present invention.
Claims
1. A portable radio environment test device capable of rapid and accurate positioning, comprising a detection component (1) for detection, characterized in that: The invention also comprises a shielding device (2) and a fixing device (3); the shielding device (2) is a cylindrical structure, and an absorbing material (4) is arranged in an array inside the shielding device for providing a shielding protection environment that is approximately echo-free; a detection component (1) is provided at one end of the shielding device (2), and a fixing device (3) for fixing the radio product under test is provided at the other end of the shielding device (2); the fixing device (3) is connected to the shielding device (2) via a slide rail component (5) in a manner that the distance can be adjusted.
2. The portable radio environment test device capable of rapid and accurate positioning as claimed in claim 1, characterized in that: A base (6) is provided at the bottom of the shielding device (2), and the shielding device (2) is detachably connected to the base (6) via a detachable clamp assembly (7).
3. The portable radio environment test device capable of rapid and accurate positioning as claimed in claim 2, characterized in that: The slide rail assembly (5) is a screw slide mechanism correspondingly connected to the base (6), the fixing device (3) is correspondingly fastened to the slide of the screw slide mechanism, and the screw slide mechanism is driven by a servo motor or by a manually rotating hand wheel.
4. The portable radio environment test device capable of rapid and accurate positioning as claimed in claim 1, characterized in that: The fixing device (3) comprises a fixed block and a movable block, a groove for clamping the radio product to be tested is provided between the fixed block and the movable block, and the movable block is detachably connected to the fixed block via bolts.
5. The portable radio environment test device capable of rapid and accurate positioning as claimed in claim 1, characterized in that: A handle (8) is provided on the outside of the shielding device (2).
6. The portable radio environment test device capable of rapid and accurate positioning as claimed in claim 1, characterized in that: A protective cover (9) is provided on the outside of the detection component (1).
Citation Information
Patent Citations
Air OTA performance test system for out-of-band useless transmission indexes of wireless equipment
CN210536649U