CN210926505U - Cable arrangement device to be tested for radiation immunity test - Google Patents
Cable arrangement device to be tested for radiation immunity test Download PDFInfo
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- CN210926505U CN210926505U CN201921869577.0U CN201921869577U CN210926505U CN 210926505 U CN210926505 U CN 210926505U CN 201921869577 U CN201921869577 U CN 201921869577U CN 210926505 U CN210926505 U CN 210926505U
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Abstract
The utility model discloses a radiation immunity test cable device of arranging that awaits measuring, including locating the insulating grudging post in the even domain in radiation field, locate a plurality of interfaces of insulating grudging post both sides, locate a plurality of interval distribution's between the interface of both sides hole portion and wire-wrap cable that awaits measuring and pass it hole portion and be connected to the intraoral joint of corresponding interface. The utility model discloses realize respectively being arranged independently of measuring the cable, prevent signal crosstalk.
Description
Technical Field
The utility model belongs to the technical field of the electromagnetism test, especially, relate to a radiation immunity test cable device of arranging that awaits measuring.
Background
In the electromagnetic compatibility test, one is a radiation immunity test, which is based on the principle that a system consisting of a radio frequency signal source, a power amplifier, a power probe, an antenna and the like applies radio frequency radiation with certain field intensity to tested electronic and electrical equipment, and the performance of the electronic and electrical equipment is monitored, so that the capacity of the electromagnetic compatibility of the electronic and electrical equipment for resisting the interference of the radiation field intensity is judged.
For different devices under test, the devices under test are required to be placed in a calibrated field uniformity domain, which is a virtual plane 1.5m x 1.5m square as required by the standard. And the standard also dictates that power and signal lines, or other cables, of the device under test should also be sufficiently exposed in the field uniformity domain. At least 1m is exposed in the field uniform domain when conditions allow.
The traditional testing method is that after the tested device is placed, cables of various interfaces of the tested device are fixed in a field uniform domain by using an insulating tape. Depending on the technique of the operator, the consistency cannot be guaranteed. Moreover, for the convenience of testing, various cables may be entangled and exposed in a field uniform domain, which has a certain effect on the test result and may cause crosstalk between different signals.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem, and provide the cable device of arranging that awaits measuring of radiation immunity test to realize respectively being arranged by the independence of survey cable, prevent signal crosstalk. In order to achieve the above purpose, the utility model discloses technical scheme as follows:
the cable arrangement device to be tested for radiation immunity test comprises an insulating vertical frame arranged in a radiation field uniform domain, a plurality of butt-joint ports arranged on two sides of the insulating vertical frame, a plurality of hole parts arranged between the butt-joint ports on two sides at intervals, and a joint which is wound on the cable to be tested and penetrates through the hole parts to be connected into the corresponding butt-joint ports.
Specifically, a plurality of field sensors arranged in a square matrix are arranged in the radiation field uniform domain.
Specifically, the insulating vertical frame is made of hard PCV materials.
Specifically, the interface on one side is an input end interface, and the interface on the other side is a corresponding output end interface.
Specifically, one end of the joint is provided with threads, and the other end of the joint is provided with a screw hole.
Specifically, the arc opening has been seted up to the lateral wall that connects, and the arc opening exposes the cable, and the arc open-ended outside is equipped with the cell body of winding cable.
Specifically, the insulating vertical frame is placed on a support flat plate for isolating the ground.
Specifically, the support flat plate is made of an insulating material.
Compared with the prior art, the utility model discloses radiation immunity test cable device of arranging that awaits measuring's beneficial effect mainly embodies:
the cables are distributed at intervals, so that the problem of crosstalk among different signals caused by a traditional cable fixing mode is avoided; the cable is accurately connected with the joint and is butted into a proper butt joint port, so that the problem of disorder of the cable is avoided; the whole structure is simple to use, interference factors of cables are reduced, and test results are accurate.
Drawings
Fig. 1 is a schematic view of a radiation field homogeneous domain structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the insulating stand according to the present embodiment;
FIG. 3 is a schematic view of the joint structure of the present embodiment;
the figures in the drawings represent:
1 radiation field uniform domain, 11 field sensors, 2 insulating stands, 21 pairs of interfaces, 22 hole parts, 3 cables, 4 joints, 41 arc-shaped openings and 42 groove bodies.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention.
Example (b):
referring to fig. 1-3, the present embodiment is a device for arranging cables to be tested for radiation immunity test, including an insulating vertical frame 2 disposed in a radiation field uniform domain 1, a plurality of pairs of interfaces 21 disposed on two sides of the insulating vertical frame 2, a plurality of holes 22 disposed between the pairs of interfaces 21 on two sides and spaced apart from each other, and a connector 4 wrapping the cables to be tested 3 and connecting the cables to be tested to the corresponding pairs of interfaces 21 through the holes 22.
The radiation field uniform domain 1 is a square virtual plane and is subjected to radio frequency radiation with certain field intensity. The radiation field uniform domain 1 has a length of 1.5m and a width of 1.5 m. A plurality of field sensors 11 arranged in a square matrix are arranged in the radiation field uniform domain 1, and the distance between every two field sensors 11 is 0.5 m. The radiation field uniform domain 1 is 0.8m away from the ground.
The insulating vertical frame 2 is made of hard PCV material, the length of the insulating vertical frame 2 is 1.5m, the width of the insulating vertical frame is 0.5m, and the thickness of the insulating vertical frame is 2.5 cm.
The interface 21 includes an ac line port, a dc line port, a network line port, a shielding network line port, a USB signal line port, a radio frequency signal line port, a serial signal line port, and a custom signal line port to meet the test requirements of most electrical equipment. The interface 21 on one side is an input interface and the interface 21 on the other side is a corresponding output interface.
The holes 22 have a circular hole structure, and the diameter thereof is 5mm, and the interval between the holes 22 is 15 cm.
The length of the joint 4 is 5cm, and the joint 4 is of a hollow cylindrical structure. One end of the joint 4 is provided with a thread, the other end of the joint 4 is provided with a screw hole (not shown in the figure), the length of the joint 4 is adaptively adjusted according to the length of the cable 3 to be measured, the two joints 4 are in butt joint, and the thread and the screw hole are matched for assembly and extension.
The side wall of the joint 4 is provided with an arc-shaped opening 41, the cable 3 is exposed out of the arc-shaped opening 41, and a groove body 42 for winding the cable 3 is arranged on the outer side of the arc-shaped opening 41.
The insulating vertical frame 2 is placed on a support plate (not shown) which is made of insulating materials and is used for isolating the ground.
The testing equipment is placed in the radiation field uniform area 1, cables 3 of the testing equipment are connected through the joints 4 and penetrate through the hole portions 22 to be in butt joint with the corresponding butt joint port 21 on one side, the cables 3 connected to the outside of the testing area are connected through the joints 4 and are in butt joint with the corresponding butt joint port 21 on the other side, and testing operation of the whole cables is achieved.
When the embodiment is applied, the cables 3 are distributed at intervals, so that the problem of crosstalk among different signals caused by a traditional cable fixing mode is avoided; the cable 3 is accurately connected with the joint 4 and is butted into a proper butting port 21, so that the problem of disorder of the cable is avoided; the whole structure is simple to use, interference factors of cables are reduced, and test results are accurate.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (8)
1. Radiation immunity test cable device of arranging that awaits measuring, its characterized in that: the device comprises an insulating vertical frame arranged in a radiation field uniform domain, a plurality of butt joints arranged on two sides of the insulating vertical frame, a plurality of hole parts arranged between the butt joints on the two sides and joints which are wound on cables to be tested and penetrate through the hole parts to be connected into the corresponding butt joints.
2. The device of claim 1, wherein the device further comprises: and a plurality of field sensors arranged in a square matrix are arranged in the radiation field uniform domain.
3. The device of claim 1, wherein the device further comprises: the insulating vertical frame is made of hard PCV materials.
4. The device of claim 1, wherein the device further comprises: the interface of one side is the input end interface, and the interface of the other side is corresponding output end interface.
5. The device of claim 1, wherein the device further comprises: one end of the joint is provided with threads, and the other end of the joint is provided with a screw hole.
6. The device of claim 1, wherein the device further comprises: the lateral wall of joint has seted up the arc opening, and the arc opening exposes the cable, and the arc open-ended outside is equipped with the cell body of winding cable.
7. The device of claim 1, wherein the device further comprises: the insulating vertical frame is placed on a support flat plate for isolating the ground.
8. The device of claim 7, wherein: the support flat plate is made of an insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869577.0U CN210926505U (en) | 2019-11-01 | 2019-11-01 | Cable arrangement device to be tested for radiation immunity test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869577.0U CN210926505U (en) | 2019-11-01 | 2019-11-01 | Cable arrangement device to be tested for radiation immunity test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210926505U true CN210926505U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921869577.0U Active CN210926505U (en) | 2019-11-01 | 2019-11-01 | Cable arrangement device to be tested for radiation immunity test |
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| CN (1) | CN210926505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777421A (en) * | 2021-08-12 | 2021-12-10 | 西安交通大学 | Power line low-frequency radiation immunity testing system and method based on crosstalk injection |
-
2019
- 2019-11-01 CN CN201921869577.0U patent/CN210926505U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777421A (en) * | 2021-08-12 | 2021-12-10 | 西安交通大学 | Power line low-frequency radiation immunity testing system and method based on crosstalk injection |
| CN113777421B (en) * | 2021-08-12 | 2022-10-25 | 西安交通大学 | Power line low-frequency radiation immunity testing system and method based on crosstalk injection |
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