CN109100549B - Shielding room for replacing antenna by drawing and inserting - Google Patents
Shielding room for replacing antenna by drawing and inserting Download PDFInfo
- Publication number
- CN109100549B CN109100549B CN201811026621.1A CN201811026621A CN109100549B CN 109100549 B CN109100549 B CN 109100549B CN 201811026621 A CN201811026621 A CN 201811026621A CN 109100549 B CN109100549 B CN 109100549B
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- Prior art keywords
- shielding
- antenna
- control module
- shielded room
- cable
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
Abstract
The invention provides a shielding chamber for replacing an antenna by extraction and insertion, which comprises a shielding chamber, a motor unit and a control module, wherein the motor unit and the control module are arranged outside the shielding chamber, the shielding chamber comprises four side surfaces, a top surface and a bottom surface, one end of the bottom surface, which is close to one side surface, is provided with a first square notch, the side surface above the first square notch is provided with a second square notch, the first square notch is provided with a moving surface with the size matched with that of the first square notch, the junction of the moving surface and the second square notch is provided with a shielding wall, a conveying device is arranged below the moving surface, the antenna on the moving surface is moved out of the shielding chamber through the conveying device, and the antenna is replaced. The shielding chamber for the extraction and insertion type antenna replacement provided by the invention is convenient for rapidly replacing the antenna after electromagnetic measurement is completed, and improves the working efficiency.
Description
Technical Field
The invention relates to the field of electromagnetic compatibility testing, in particular to a shielding chamber for replacing an antenna by extraction and insertion.
Background
Electromagnetic compatibility (EMC) refers to the ability of a device or system to operate satisfactorily in its electromagnetic environment and not create intolerable electromagnetic interference with any device in its environment. Thus, EMC includes two requirements: on one hand, electromagnetic interference generated by equipment on the environment in the normal operation process cannot exceed a certain limit value; on the other hand, the device has a certain degree of immunity, namely electromagnetic sensitivity, to electromagnetic interference existing in the environment.
The shielding room is an important test field for measuring the radiation interference and radiation immunity of tested equipment, is mainly used for reducing the interference of external electromagnetic wave signals to test signals, and the antenna is used for transmitting signals during testing, different types of antennas are required for different testing requirements, the existing mode for replacing the antennas in the shielding room is usually manual disassembly and replacement, the work is tedious and the time consumption is long, and therefore the shielding room capable of quickly replacing the antennas is necessary to be provided, the quick replacement of the antennas can be realized under the condition that the shielding performance of the shielding room is ensured, and the effective performance of testing work is ensured.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the shielding chamber for replacing the antenna by drawing and inserting, which has low electromagnetic interference, is convenient for quickly replacing the antenna after electromagnetic test is finished, and improves the working efficiency.
The invention adopts the following technical scheme for realizing the purposes:
the invention provides a shielding chamber for replacing an antenna in a drawing and inserting mode, which comprises a shielding chamber, a motor unit and a control module, wherein the motor unit and the control module are arranged outside the shielding chamber, the shielding chamber comprises four side surfaces, a top surface and a bottom surface, at least four supporting columns are arranged below the bottom surface, a first square notch is arranged at one end of the bottom surface, which is close to one side surface, a metal elastic sheet is continuously arranged in the first square notch, a second square notch is arranged on the side surface above the first square notch, a moving surface with the size matched with that of the first square notch is arranged on the first square notch, the moving surface comprises a conducting part and an insulating part, the upper end surface of the moving surface is a conducting part, the lower end surface of the moving surface is an insulating part, a shielding wall is arranged at the junction of the moving surface and the second square notch, a first shielding device is arranged on three sides of the shielding wall, which are not contacted with the moving surface, and a second shielding device which is identical with the first shielding device is arranged on three sides of the side surface of the shielding chamber; a conveying device is arranged below the moving surface; the mobile surface is connected with the motor unit, the motor unit is connected with the control module, and the control module is used for controlling the operation of the motor unit; an antenna and a coiling device are arranged in the shielding chamber, a cable is wound on the coiling device, one end of the cable is connected with the antenna, the other end of the cable is connected with the control module, and the control module is used for receiving detection signals of the antenna.
In an embodiment of the present invention, a shielding notch extending from the middle of the shielding wall to the edge of the shielding wall is provided on the shielding wall, and a continuous third shielding device is provided in the shielding notch.
In one embodiment of the invention, the cable comprises an insulating layer, a shielding layer and a copper core, wherein the copper core is arranged in the shielding layer, and the shielding layer is arranged in the insulating layer.
In an embodiment of the present invention, a bare portion with a length slightly greater than a thickness of the shielding notch is disposed on the cable, the bare portion of the cable does not include an insulating layer, the bare portion passes through the shielding notch to connect with the control module, and the shielding layer of the bare portion contacts with the third shielding device.
In an embodiment of the present invention, the conductive portion is made of a conductive material, and the insulating portion is made of an insulating material.
In an embodiment of the present invention, the first shielding device, the second shielding device and the third shielding device are beryllium copper reeds.
In an embodiment of the present invention, the antenna and the winding device are both disposed on a mobile platform;
the mobile platform is in communication connection with the control module;
the control module is also used for controlling the mobile platform to move.
In an embodiment of the invention, the conveying device comprises a roller or the like.
In one embodiment of the invention, when the shielding wall moves to a preset station, the beryllium copper reed on the shielding wall is contacted with the beryllium copper reed on the second square notch.
In an embodiment of the present invention, the preset station is a position when the shielding wall is just embedded into the second square notch.
In an embodiment of the invention, a surface of the shielding wall facing the shielding room is provided with the same shielding material as the shielding room.
In an embodiment of the invention, a movable inclined step with the same height as the movable surface is arranged outside the shielding chamber;
the movable inclined step is in communication connection with the control module;
the control module is also used for controlling the movement of the movable inclined step.
Compared with the prior art, the invention has the beneficial effects that:
the shielding chamber for the extraction and insertion type antenna replacement provided by the invention has low electromagnetic interference, is convenient for quickly replacing the antenna after electromagnetic test is finished, and improves the working efficiency.
Drawings
Fig. 1 is a schematic view of a shielding chamber of a removable antenna according to an embodiment of the present invention;
fig. 2 is a front view of a shield room for a removable antenna according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a connection structure between a first square notch and a moving surface of a shielding chamber of a removable antenna according to an embodiment of the present invention;
fig. 4 is a side view of a moving surface 3 and a shielding wall 4 of a removable antenna according to an embodiment of the present invention;
wherein: the shielding device comprises a first square notch 1, a second square notch 2, a moving surface 3, a shielding wall 4, a metal spring plate 11, a shielding notch 40, a conductive part 31 and an insulating part 32.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples, which are given for illustration only and are not to be construed as limiting the invention.
It should be noted that, in the present invention, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1, fig. 2 and fig. 3, the invention provides a shielding chamber for replacing an antenna in a drawing and inserting manner, which comprises a shielding chamber, a motor unit and a control module, wherein the motor unit and the control module are arranged outside the shielding chamber, the shielding chamber comprises four side surfaces, a top surface and a bottom surface, a plurality of supporting columns 10 are arranged below the bottom surface, one end of the bottom surface, which is close to one side surface, is provided with a first square notch 1, a metal elastic sheet 11 is continuously arranged in the first square notch 1, the side surface above the first square notch 1 is provided with a second square notch 2, the first square notch 1 is provided with a moving surface 3 which is matched with the first square notch 1 in size, the moving surface 3 comprises a conducting part 31 and an insulating part 32, the upper end surface of the moving surface 3 is the conducting part 31, the lower end surface of the moving surface 3 is the insulating part 32, a shielding wall 4 is arranged at the junction of the moving surface 3 and the second square notch 2, three sides of the shielding wall 4, which are not contacted with the moving surface 3, are provided with first square shielding devices, and the second shielding devices which are identical to the first shielding devices are arranged on three sides of the side surfaces of the shielding chamber; a conveying device is arranged below the moving surface 3; the movable surface 3 is connected with a motor unit, the motor unit is connected with a control module, and the control module is used for controlling the operation of the motor unit; an antenna and a winding device are arranged in the shielding chamber, a shielding notch 40 extending from the middle part of the shielding wall to the edge of the shielding wall is arranged on the shielding wall 4, a continuous third shielding device is arranged in the shielding notch 40, a cable is wound on the winding device, the cable comprises an insulating layer, a shielding layer and a copper core, the copper core is arranged in the shielding layer, and the shielding layer is arranged in the insulating layer; one end of the cable is connected with the antenna, the other end of the cable is connected with the control module, the cable is provided with a bare part with the length slightly larger than the thickness of the shielding notch 40, the bare part of the cable does not comprise an insulating layer, the bare part penetrates through the shielding notch 40 to be connected with the control module, the shielding layer of the bare part is in contact with the third shielding device, and the control module is used for receiving detection signals of the antenna.
In an embodiment of the present invention, the conductive portion 31 is made of a conductive material, and the insulating portion 32 is made of an insulating material.
In an embodiment of the present invention, the first shielding device, the second shielding device and the third shielding device are beryllium copper reeds.
In an embodiment of the present invention, the antenna and the winding device are both disposed on a mobile platform;
the mobile platform is in communication connection with the control module;
the control module is also used for controlling the mobile platform to move.
In an embodiment of the invention, the conveying device comprises a roller or the like.
In one embodiment of the present invention, when the shielding wall 4 moves to a preset station, the beryllium copper reed on the shielding wall 4 contacts the beryllium copper reed on the second square notch 2.
In an embodiment of the present invention, the preset station is a position when the shielding wall 4 is just embedded into the second square notch 2.
In one embodiment of the invention, the side of the shielding wall 4 facing the shielding chamber is provided with the same shielding material as in the shielding chamber.
In one embodiment of the invention, a movable inclined step with the same height as the movable surface is arranged outside the shielding chamber;
the movable inclined step is in communication connection with the control module;
the control module is also used for controlling the movement of the movable inclined step.
In an application scenario of the invention, the control module is an upper computer outside a dark room, the antenna and the wire winding device are positioned in the shielding room, the antenna and the wire winding device are both arranged on the mobile platform, the mobile platform is connected with the upper computer, the upper computer is used for controlling the mobile platform to move, when in test, the beryllium copper reeds at the upper end and the lower end in the shielding notch 40 are continuously contacted, a cable is wound on the wire winding device, one end of the cable is connected with the antenna, the other end of the cable is connected with the upper computer, the exposed part of the cable slides into the shielding notch 40 through one end of the shielding notch 40, the exposed part is contacted with the beryllium copper reeds arranged at the upper end and the lower end in the shielding notch 40, namely, the shielding layer of the exposed part is contacted with the beryllium copper reeds arranged in the shielding notch 40, the beryllium copper reed on the shielding wall 4 is contacted with the beryllium copper reed on the second square notch 2, so that a continuous conductor is formed, the shielding performance of the shielding room is ensured, when a worker uses the antenna for debugging, the antenna and the coiling device are controlled by the upper computer to move back and forth in the shielding room to the position required by the test, meanwhile, the coiling device is controlled by the upper computer to pay-off or take-up according to the moving direction and the speed of the antenna, for example, when the distance between the antenna and the shielding wall 4 is 50 cm, the coiling device is controlled by the upper computer to pay-off, the distance between the exposed part and the antenna is 50 cm, the exposed part is just positioned in the shielding notch 40, after the antenna moves in place, the electromagnetic compatibility test of a sample is formally started, and meanwhile, the signal of the antenna is transmitted to the upper computer through the cable; meanwhile, a worker is outside the shielding room to debug the antenna to be tested; after the antenna test in the shielding chamber is finished, the upper computer controls the antenna and the winding device to move onto the moving surface, the upper computer controls the motor group to move out of the moving surface 3, then the upper computer controls the moving inclined step to move to the edge of the moving surface 3, a worker slides out the exposed part from the shielding notch 40, then controls the moving platform to move the tested antenna away from the moving inclined step, then the upper computer controls the debugged antenna to be tested and the winding device to move onto the moving surface 3 from the moving inclined step, the worker slides the exposed part of the antenna to be tested into the shielding notch 40 from one end of the shielding notch 40, and the upper computer controls the moving surface 3 to move the antenna to be tested and the matched winding device into the shielding chamber. When a worker tests the antenna in the shielding room, the antenna to be tested can be debugged outside the shielding room, and when the antenna needs to be replaced, the tested antenna can be moved out of the shielding room, the debugged antenna to be tested is replaced, and the antenna to be tested is moved into the shielding room for testing, so that the debugging time of a large number of antennas is saved, and the experimental efficiency of the whole darkroom is improved.
It is apparent that the above examples are only examples for the purpose of more clearly expressing the technical solution of the present invention, and are not limiting the embodiments of the present invention. It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made herein without departing from the spirit and scope of the invention. The scope of the invention is therefore intended to be covered by the appended claims.
Claims (10)
1. The utility model provides a take out and insert formula change antenna's shielded room, includes the shielded room, sets up motor group and the control module outside the shielded room, its characterized in that, wherein the shielded room includes four sides, a top surface and a bottom surface, be equipped with four at least pillars below the bottom surface, the bottom surface is close to one side one and is equipped with first square breach, be equipped with the metal shell fragment in the first square breach in succession, the side of the top of first square breach is equipped with the second square breach, be equipped with on the first square breach with first square breach size matching's movable surface, the movable surface includes conducting part and insulating part, the up end of movable surface is the conducting part, the lower terminal surface of movable surface is the insulating part the movable surface with second square breach juncture is equipped with a shielding wall, the shielding wall is not with the trilateral first shielding device that is equipped with of movable surface contact, be equipped with the second shielding device the same as first shielding device on the trilateral of second square breach along shielded room side; a conveying device is arranged below the moving surface; the mobile surface is connected with the motor unit, the motor unit is connected with the control module, and the control module is used for controlling the operation of the motor unit; an antenna and a coiling device are arranged in the shielding chamber, a cable is wound on the coiling device, one end of the cable is connected with the antenna, the other end of the cable is connected with the control module, and the control module is used for receiving detection signals of the antenna.
2. A shielded room for a removable and insertable antenna according to claim 1, wherein said shield wall has a shield opening extending from a central portion of said shield wall to an edge of said shield wall, and wherein said shield opening has a continuous third shield means disposed therein.
3. The shielded room for a removable and insertable antenna according to claim 2, wherein said cable includes an insulating layer, a shielding layer, and a copper core, said copper core being disposed within said shielding layer, said shielding layer being disposed within said insulating layer.
4. A shielded room for a removable and insertable antenna according to claim 3, wherein the cable has a bare portion with a length slightly greater than a thickness of the shielding gap, the bare portion of the cable does not include an insulating layer, the bare portion passes through the shielding gap to connect the control module, and the shielding layer of the bare portion contacts the third shielding device.
5. The shielded room for a removable and insertable antenna according to claim 4, wherein said first shielding means, said second shielding means, and said third shielding means are beryllium copper reeds.
6. The shielded room for removable and insertable antenna replacement of claim 1 wherein said antenna and said reel are both disposed on a mobile platform;
the mobile platform is in communication connection with the control module;
the control module is also used for controlling the mobile platform to move.
7. A shielded room for an extraction and replacement antenna according to claim 1 wherein said conveyor comprises rollers.
8. The shielded room for a removable and insertable antenna assembly of claim 1 wherein the beryllium copper strip on the shield wall contacts the beryllium copper strip on the second square gap when the shield wall is moved to the predetermined station.
9. The shielded room for an add-on replacement antenna of claim 8 wherein said predetermined station is a position where the shield wall is just embedded in the second square notch.
10. The shielded room for the removable antenna of claim 1, wherein the shielded room is provided with a movable inclined step with the same height as the movable surface;
the movable inclined step is in communication connection with the control module;
the control module is also used for controlling the movement of the movable inclined step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026621.1A CN109100549B (en) | 2018-09-04 | 2018-09-04 | Shielding room for replacing antenna by drawing and inserting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026621.1A CN109100549B (en) | 2018-09-04 | 2018-09-04 | Shielding room for replacing antenna by drawing and inserting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109100549A CN109100549A (en) | 2018-12-28 |
| CN109100549B true CN109100549B (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811026621.1A Active CN109100549B (en) | 2018-09-04 | 2018-09-04 | Shielding room for replacing antenna by drawing and inserting |
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| Country | Link |
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| CN (1) | CN109100549B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146761B (en) * | 2019-06-03 | 2021-07-23 | 广州市诚臻电子科技有限公司 | Control system of shielding room |
| CN110488100A (en) * | 2019-08-22 | 2019-11-22 | 北京中测国宇科技有限公司 | A kind of turntable and its working method of antenna OTA test macro |
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| CN209372920U (en) * | 2018-09-04 | 2019-09-10 | 广州市诚臻电子科技有限公司 | A kind of screened room of draw and insert-type replacement antenna |
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| JP2008034761A (en) * | 2006-07-31 | 2008-02-14 | Tss Japan:Kk | Electromagnetic shield room system using electromagnetic shield material of double structure |
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| US8295777B1 (en) * | 2009-06-19 | 2012-10-23 | Sprint Spectrum L.P. | Method and system for automated handoff testing |
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| Publication number | Publication date |
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| CN109100549A (en) | 2018-12-28 |
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