CN109239470B - Shielding room of extraction-insertion type replacement testing system - Google Patents
Shielding room of extraction-insertion type replacement testing system Download PDFInfo
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- CN109239470B CN109239470B CN201811026530.8A CN201811026530A CN109239470B CN 109239470 B CN109239470 B CN 109239470B CN 201811026530 A CN201811026530 A CN 201811026530A CN 109239470 B CN109239470 B CN 109239470B
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- shielding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/0821—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning rooms and test sites therefor, e.g. anechoic chambers, open field sites or TEM cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The invention provides a shielding chamber of a drawing-inserting type replacement testing system, 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, a test table on the moving surface is moved out of the shielding chamber through the conveying device, and the testing system is replaced. The shielding chamber of the extraction and insertion type replacement testing system provided by the invention is convenient for quickly replacing the testing system after electromagnetic measurement is finished, and improves the working efficiency.
Description
Technical Field
The invention relates to the field of electromagnetic compatibility testing, in particular to a shielding chamber of a plug-in replacement testing system.
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 site for measuring the radiation interference and radiation immunity of tested equipment, is mainly used for reducing the interference of external electromagnetic wave signals on test signals, and the test system is used for transmitting signals during testing, different types of test systems are required for different test requirements, and the existing mode for replacing the test system in the shielding room is usually manual disassembly and replacement, so that the work is complicated and the time consumption is long, and the shielding room capable of quickly replacing the test system is necessary.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a shielding chamber of a suction-insertion type replacement testing system, which has low electromagnetic interference, is convenient for quickly replacing the testing system after electromagnetic testing is finished, and improves the working efficiency.
The invention adopts the following technical scheme for realizing the purposes:
the invention provides a shielding chamber of a drawing-inserting type replacement test system, 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 support posts 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; the test bench and the auxiliary test equipment are arranged on the moving surface; an antenna module is arranged in the shielding chamber, the antenna module comprises an antenna frame, an antenna body and a winding device, a shielding notch extending from the middle part of the shielding wall to the edge of the shielding wall is formed in the shielding wall, a continuous third shielding device is arranged in the shielding notch, 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 body, the other end of the cable is connected with the control module, the cable is provided with a naked part with the length slightly larger than the thickness of the shielding notch, the naked part of the cable does not comprise an insulating layer, the naked part penetrates through the shielding notch to be connected with the control module, the shielding layer of the naked part is in contact with the third shielding device, and the control module is used for receiving detection signals of the antenna body.
In one embodiment of the invention, the auxiliary test equipment includes, but is not limited to, a horn, a photoelectric converter, a receiver, a spectrometer, a signal generator, a power amplifier, a power supply, a motor loading device, and a generator driving device.
In one embodiment of the invention, a patch board is disposed in the shielding room.
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, a mobile platform is disposed below the antenna module;
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 of the extraction and insertion type replacement testing system provided by the invention has low electromagnetic interference, is convenient for quickly replacing the testing system after electromagnetic testing is finished, and improves the working efficiency.
Drawings
FIG. 1 is a schematic view of a shielding chamber of a pump-plug replacement testing system according to an embodiment of the invention;
FIG. 2 is a front view of a shielded room of a pump-plug replacement testing system according to an embodiment of the present invention;
FIG. 3 is a schematic view illustrating a connection structure between a first square notch and a moving surface of a shielding chamber of a plug-in replacement testing system according to an embodiment of the present invention;
FIG. 4 is a side view of a shielded moving surface 3 and a shielded wall 4 of a removable plug-in replacement testing system 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 elastic sheet 11, a conductive part 31, an insulating part 32 and a shielding notch 40.
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 of a plug-in type replacement test system, 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 struts 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 spring 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 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; the test bench and the auxiliary test equipment are arranged on the moving surface 3; an antenna module is arranged in the shielding chamber, the antenna module comprises an antenna frame, an antenna body and a winding device, 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 body, 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 body.
In an embodiment of the present invention, the auxiliary test device includes a horn, a photoelectric converter, a receiver, a spectrometer, a signal generator, a power amplifier, a power source, a motor loading device, a generator driving device, and the like.
In an embodiment of the present invention, a patch board is disposed in the shielding chamber.
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, a mobile platform is disposed below the antenna module;
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 module is positioned in a shielding room, the antenna module is arranged on a mobile platform, the mobile platform is connected with the upper computer, the upper computer is used for controlling the mobile platform to move, the test bench and auxiliary test equipment are both arranged on a mobile surface 3, when in test, the beryllium copper reeds at the upper end and the lower end in a shielding notch 40 are continuously contacted, a cable is wound on a winding device, one end of the cable is connected with the antenna, the other end of the cable is connected with the upper computer, an 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, a 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 module to debug, the antenna module is controlled by the upper computer to move back and forth in the shielding room to a position required by a test, meanwhile, the upper computer controls the wire coiling device to pay off or take up wires according to the moving direction and the speed of the moving platform, for example, when the moving platform is 50 cm away from the shielding wall 4, the upper computer controls the wire coiling device 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 module moves in place, the electromagnetic compatibility test of a sample is formally started, and meanwhile, the signal of the antenna body is transmitted to the upper computer through the cable; meanwhile, a worker is outside the shielding room to debug the antenna module to be tested, the test bench ready for use and auxiliary test equipment; after the antenna module in the shielding room is tested, the upper computer controls the mobile platform carrying the antenna module to move onto the mobile surface, the upper computer controls the motor group to move out of the mobile surface 3, then the upper computer controls the mobile inclined step to move onto the edge of the mobile surface 3, a worker slides out the exposed part from the shielding notch 40, then controls the mobile platform to move the mobile platform carrying the tested antenna module away from the mobile inclined step, the worker moves the test bench and the auxiliary test equipment away, then the upper computer controls the debugged antenna module to be tested to move onto the mobile surface 3 from the mobile inclined step, the worker slides the exposed part of the antenna module to be tested into the shielding notch 40 from one end of the shielding notch 40, the worker moves the test bench and the auxiliary test equipment to be used onto the mobile surface 3, and the upper computer controls the mobile surface 3 to move the antenna module to be tested, the test bench and the auxiliary test equipment into the shielding room. When a worker tests the antenna module in the shielding room and uses the test board and the auxiliary test equipment in the darkroom, the antenna module to be tested can be debugged outside the shielding room, the test board and the auxiliary test equipment to be replaced are ready, when the test board and the auxiliary test equipment to be replaced are needed to be replaced, the tested antenna module, the test board and the auxiliary test equipment to be tested are removed from the shielding room, the debugged antenna module to be tested, the test board and the auxiliary test equipment are replaced, the test is carried out after the test board and the auxiliary test equipment to be tested are moved into the shielding room, the debugging time of a large number of antennas and the preparation time of the test board and the auxiliary test equipment are 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 (7)
1. The utility model provides a take out and insert formula change test system's shield room, including the shield room, set up motor group and the control module outside the shield room, wherein, the shield 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 end be equipped with first square breach, be equipped with the metal shell fragment in the first square breach in succession, the side of first square breach top is equipped with the square breach of second, be equipped with on the square breach of first and be equipped with the movable surface that matches with first square breach size, 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 the square breach juncture of second is equipped with a shielding wall, the shielding wall is not with the first shielding device of trilateral being equipped with of movable surface contact, the second square breach is equipped with the second shielding device the same as the first shielding device along the trilateral of shield 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; the test bench and the auxiliary test equipment are arranged on the moving surface; an antenna module is arranged in the shielding chamber, the antenna module comprises an antenna frame, an antenna body and a winding device, a shielding notch extending from the middle part of the shielding wall to the edge of the shielding wall is formed in the shielding wall, a continuous third shielding device is arranged in the shielding notch, 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 body, the other end of the cable is connected with the control module, the cable is provided with a naked part with the length slightly larger than the thickness of the shielding notch, the naked part of the cable does not comprise an insulating layer, the naked part penetrates through the shielding notch to be connected with the control module, the shielding layer of the naked part is in contact with the third shielding device, and the control module is used for receiving detection signals of the antenna body.
2. The shielded room of a pump-plug replacement test system of claim 1 wherein said first shield, said second shield, and said third shield are beryllium copper reeds.
3. The shielded room of a plug-in replacement test system according to claim 1, wherein a mobile platform is provided below the antenna module;
the mobile platform is in communication connection with the control module;
the control module is also used for controlling the mobile platform to move.
4. A shielded room for a pump-plug replacement test system according to claim 1 wherein said conveyor comprises rollers.
5. The shielded room of a plug-in replacement test system of claim 1 wherein the beryllium copper strip on the shielded wall contacts the beryllium copper strip on the second square cutout when the shielded wall is moved to the predetermined station.
6. The shielded room of an insertion replacement testing system of claim 5 wherein the predetermined station is a position where the shielding wall is just embedded in the second square notch.
7. The shielded room of the plug-in replacement test system according to claim 1, wherein a movable inclined step with the same height as the movable surface is arranged outside the shielded room;
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 |
|---|---|---|---|
| CN201811026530.8A CN109239470B (en) | 2018-09-04 | 2018-09-04 | Shielding room of extraction-insertion type replacement testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026530.8A CN109239470B (en) | 2018-09-04 | 2018-09-04 | Shielding room of extraction-insertion type replacement testing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109239470A CN109239470A (en) | 2019-01-18 |
| CN109239470B true CN109239470B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811026530.8A Active CN109239470B (en) | 2018-09-04 | 2018-09-04 | Shielding room of extraction-insertion type replacement testing system |
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| CN (1) | CN109239470B (en) |
Families Citing this family (1)
| 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 |
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| SE0002980D0 (en) * | 2000-03-31 | 2000-08-23 | Kildal Antenn Consulting Ab | A method and apparatus for measuring the performance of antennas |
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| CN109239470A (en) | 2019-01-18 |
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