CN109358216B - Shielding room for quick replacement of antenna - Google Patents

Shielding room for quick replacement of antenna Download PDF

Info

Publication number
CN109358216B
CN109358216B CN201811059437.7A CN201811059437A CN109358216B CN 109358216 B CN109358216 B CN 109358216B CN 201811059437 A CN201811059437 A CN 201811059437A CN 109358216 B CN109358216 B CN 109358216B
Authority
CN
China
Prior art keywords
shielding
antenna
chamber
panel
control module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811059437.7A
Other languages
Chinese (zh)
Other versions
CN109358216A (en
Inventor
李楠
李军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Changen Electronic Technology Co ltd
Original Assignee
Guangzhou Changen Electronic Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Changen Electronic Technology Co ltd filed Critical Guangzhou Changen Electronic Technology Co ltd
Priority to CN201811059437.7A priority Critical patent/CN109358216B/en
Publication of CN109358216A publication Critical patent/CN109358216A/en
Application granted granted Critical
Publication of CN109358216B publication Critical patent/CN109358216B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/18Screening arrangements against electric or magnetic fields, e.g. against earth's field
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/001Measuring 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 room for rapidly replacing an antenna, which comprises a shielding room, an antenna accommodating cavity arranged under the shielding room, a lifting device, a shielding panel, at least 2 antenna devices and a control module arranged outside the shielding room, wherein the lifting device, the shielding panel and the at least 2 antenna devices are arranged in the antenna accommodating cavity; the control module is used for controlling the lifting device to ascend or descend; the control module is also used for receiving detection signals sent by the antenna device; a notch communicated with the antenna accommodating cavity is formed in the bottom surface of the shielding chamber, and the size of the shielding panel is matched with that of the notch; the shielding panel is used for bearing the antenna device; the lifting device is used for driving the shielding panel to ascend or descend so as to enable the antenna device to be arranged in the shielding chamber; when the shielding panel rises to a first preset station, the shielding panel and the bottom surface of the shielding chamber are positioned at the same horizontal plane.

Description

Shielding room for quick replacement of antenna
Technical Field
The invention relates to the field of electromagnetic compatibility testing, in particular to a shielding chamber for quickly replacing an antenna.
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 a shielding chamber capable of quickly replacing an antenna, which 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 room for rapidly replacing an antenna, which comprises a shielding room, an antenna accommodating cavity arranged under the shielding room, a lifting device, a shielding panel, at least 2 antenna devices and a control module arranged outside the shielding room, wherein the lifting device, the shielding panel and the at least 2 antenna devices are arranged in the antenna accommodating cavity;
the control module is electrically connected with the lifting device and the antenna device;
the control module is used for controlling the lifting device to ascend or descend;
the control module is also used for receiving detection signals sent by the antenna device;
a notch communicated with the antenna accommodating cavity is formed in the bottom surface of the shielding chamber, and the size of the shielding panel is matched with that of the notch;
the shielding panel is used for bearing the antenna device;
the lifting device is used for driving the shielding panel to ascend or descend so as to enable the antenna device to be arranged in the shielding chamber; when the shielding panel rises to a first preset station, the shielding panel and the bottom surface of the shielding chamber are positioned at the same horizontal plane.
In an embodiment of the present invention, the shielding panel includes a shielding platform matched with the notch, two sides of the shielding platform are respectively provided with an epitaxial fixing plate slightly lower than the shielding platform, and the epitaxial fixing plate is provided with at least one through hole; the shielding table is also provided with a shielding groove, a first shielding device and a second shielding device are respectively fixed on two sides of the shielding groove, the first shielding device and the second shielding device are continuous conductors, and in a natural state, the first shielding device and the second shielding device are contacted, so that continuous conductors are formed;
when the shielding panel rises to a first preset station, the shielding table and the bottom surface of the shielding chamber are positioned on the same horizontal plane.
In one embodiment of the invention, the first and second shielding devices are beryllium copper reeds.
In an embodiment of the present invention, the lifting device includes at least one driving motor, at least one screw rod and at least one screw rod fixing seat;
the screw rod is provided with a nut, the screw rod penetrates through the through hole in the epitaxial fixing plate, and the nut is fixedly connected with the through hole;
the antenna accommodating cavity is provided with a motor accommodating cavity on the ground opposite to the notch on the bottom surface of the shielding chamber; the driving motor is arranged in the motor accommodating cavity, and a rotating shaft of the driving motor is connected with one end of the screw rod in a shaft way;
the screw rod fixing seats are arranged below two sides of the notch on the bottom surface of the shielding chamber;
the other end of the screw rod is connected with the screw rod fixing seat;
a limiting device is arranged on the screw rod fixing seat; when the shielding panel rises to a first preset station, the limiting device sends an in-place signal to the control module;
the control module is also used for controlling the driving motor to stop rotating after receiving the in-place signal.
In an embodiment of the invention, a third shielding device is arranged around the shielding table, and a fourth shielding device is arranged around the ground notch of the shielding chamber;
when the shielding panel rises to a first preset station, the third shielding device is contacted with the fourth shielding device;
wherein the third shielding device and the fourth shielding device are continuous conductors.
In an embodiment of the invention, the antenna device comprises an antenna body, an antenna frame and a winding device, and a radio frequency switch is further arranged in the antenna accommodating cavity;
the antenna body is fixedly arranged on the antenna frame, a signal cable is wound on the winding device, one end of the signal cable is connected with the antenna body, and the other end of the signal cable is connected with the input end of the radio frequency switch;
the output end of the radio frequency switch is connected with the control module;
a naked part is arranged on the signal cable between the coiling device and the radio frequency switch; when the shielding panel rises to a first preset station, the exposed part passes through the shielding groove on the shielding table, so that the shielding layer of the signal cable is contacted with the first shielding device and the second shielding device on the shielding groove.
In an embodiment of the present invention, a length of the exposed portion is not less than a thickness of the shielding groove.
In an embodiment of the invention, the antenna device further includes a mobile platform;
the antenna body, the antenna frame and the coiling device are all arranged on the 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.
Compared with the prior art, the invention has the beneficial effects that:
according to the shielding room capable of rapidly replacing the antenna, provided by the invention, a tester can automatically replace the experimental antenna outside the shielding room without entering the shielding room to manually replace the antenna, so that the overall experimental efficiency of the shielding room is improved.
Drawings
Fig. 1 is a schematic structural diagram of a shielding chamber for rapidly replacing an antenna according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a shielding panel according to an embodiment of the invention;
fig. 3 is a schematic side view of a shielding panel according to an embodiment of the invention.
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, 2 and 3, a shielding chamber for quick antenna replacement includes an antenna housing cavity 200 disposed under the shielding chamber 100, a lifting device 230, a shielding panel 220, at least 2 antenna devices 210 disposed in the antenna housing cavity, and a control module disposed outside the shielding chamber 100;
the control module is electrically connected with the lifting device 230 and the antenna device 210;
the control module is used for controlling the lifting device 230 to ascend or descend;
the control module is further configured to receive a detection signal sent by the antenna device 210;
a notch 110 communicating with the antenna accommodating cavity is formed on the bottom surface of the shielding chamber 100, and the size of the shielding panel 220 is matched with the size of the notch 110;
the shielding panel 220 is used for carrying the antenna device 210;
the lifting device 230 is used for driving the shielding panel 220 to lift or lower, so that the antenna device 210 is placed in the shielding chamber 100; when the shielding panel 220 is lifted to the first preset station, the shielding panel 220 and the bottom surface of the shielding chamber 100 are at the same horizontal plane;
specifically, the shielding panel 220 includes a shielding platform 221 matching with the notch 110, two sides of the shielding platform 221 are respectively provided with an epitaxial fixing plate 222 slightly lower than the shielding platform 221, and at least one through hole 223 is provided on the epitaxial fixing plate 222; the shielding table 221 is further provided with a shielding slot 224, two sides of the shielding slot 224 are respectively fixed with a first shielding device 225 and a second shielding device 226, the first shielding device 225 and the second shielding device 226 are continuous conductors, and in a natural state, the first shielding device 225 and the second shielding device 226 are contacted, so that continuous conductors are formed;
specifically, the first shielding device 225 and the second shielding device 226 are beryllium copper reeds, the sum of the widths of the first shielding device 225 and the second shielding device 226 is slightly larger than the width of the shielding groove 224, and in a natural state, one sides of the first shielding device 225 and the second shielding device 226, which are far away from the shielding groove 224, are slightly deformed and kept in contact due to extrusion, so that a continuous conductor is formed;
the lifting device 230 comprises at least one driving motor 231, at least one screw 232 and at least one screw fixing seat 233;
a nut is disposed on the screw rod 232, the screw rod 232 passes through the through hole 232 on the extension fixing plate 222 of the shielding panel 220, and the nut is fixedly connected with the through hole 232;
the antenna accommodating cavity 200 is provided with a motor accommodating cavity on the ground opposite to the notch 110 on the bottom surface of the shielding chamber 100; the driving motor 231 is arranged in the motor accommodating cavity, and a rotating shaft of the driving motor 231 is connected with one end of the screw rod 232 in a shaft manner;
the screw rod fixing bases 233 are arranged below two sides of the notch 110 on the bottom surface of the shielding chamber 100;
the other end of the screw 232 is connected with the screw fixing seat 233;
the screw rod fixing seat 233 is provided with a limiting device, when the driving motor 231 rotates to drive the shielding panel 220 to rise to a first preset station, the shielding table 221 and the bottom surface of the shielding chamber 100 are positioned on the same horizontal plane, the limiting device on the screw rod fixing seat 233 detects that the shielding panel 220 reaches the first preset station and sends a signal to the control module, and the control module controls the driving motor 231 to stop rotating after receiving the signal.
Specifically, the limiting device includes a touch switch, an infrared sensor, an ultrasonic sensor, or other limiting devices commonly used by those skilled in the art, which is not particularly limited in this application.
In an embodiment of the present invention, a third shielding device is disposed around the shielding table 221, and a fourth shielding device is disposed around the ground notch 110 of the shielding chamber;
when the shielding panel 220 is raised to the first preset station, the third shielding means is in contact with the fourth shielding means;
wherein the third shielding device and the fourth shielding device are continuous conductors.
Specifically, the third shielding device and the fourth shielding device are beryllium copper reeds, the sum of the widths of the third shielding device and the fourth shielding device is slightly larger than the gap width between the shielding table 221 and the notch 110, and when the shielding panel 220 rises to the first preset station, one side of the third shielding device and one side of the fourth shielding device are slightly deformed and kept in contact due to extrusion, so that a continuous conductor is formed.
In an embodiment of the present invention, the antenna device 210 includes an antenna body, an antenna frame, and a winding device, and a radio frequency switch is further disposed in the antenna housing cavity 200;
the antenna body is fixedly arranged on the antenna frame, a signal cable is wound on the winding device, one end of the signal cable is connected with the antenna body, and the other end of the signal cable is connected with the input end of the radio frequency switch;
the output end of the radio frequency switch is connected with the control module;
the signal cable comprises an insulating layer and a shielding layer, wherein the shielding layer is arranged in the insulating layer;
a naked part is arranged on the signal cable between the coiling device and the radio frequency switch; when the shield panel 220 is raised to a first predetermined position, the exposed portion passes through the shield groove 224 on the shield stage 221, so that the shield layer of the signal cable is in contact with the first and second shielding devices 225 and 226 on the shield groove 224.
In an embodiment of the present invention, the length of the exposed portion is not less than the thickness of the shielding groove 224.
In an embodiment of the invention, the antenna device further includes a mobile platform;
the antenna body, the antenna frame and the coiling device are all arranged on the 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 a specific application scenario of the present invention, the control module is an upper computer disposed outside the dark room; when an electromagnetic compatibility test is required, an experimenter inputs an antenna to be used into the upper computer, the upper computer controls the matched antenna device 210 in the antenna accommodating cavity 200 to move to a preset position on the shielding panel 220 according to the content input by the experimenter, after the antenna device 210 moves in place, the upper computer controls the driving motor 231 to rotate, so as to drive the shielding panel 220 to ascend, in the ascending process, a signal cable between the winding device and the radio frequency switch is gradually stretched, after the shielding panel 220 ascends to a first preset station, the signal cable between the winding device and the radio frequency switch slides into a shielding groove 224 formed on the shielding table 221, the exposed part of the signal cable is contacted with beryllium copper reeds arranged on two sides of the shielding groove 224, namely, a shielding layer of the signal cable is contacted with the beryllium copper reeds arranged on two sides of the shielding groove 224, so that a continuous conductor is formed, and the shielding performance of the shielding chamber is ensured;
meanwhile, after the shielding panel 220 rises to the first preset station, the beryllium copper reeds arranged around the shielding table 221 are contacted with the beryllium copper reeds arranged in the notch 110 on the bottom surface of the shielding chamber 100, so that the electric continuity of the ground of the shielding chamber is ensured; meanwhile, the limiting device on the screw rod fixing seat 233 detects that the distance between the epitaxial fixing plate 222 of the shielding panel 220 and the limiting device is smaller than a preset value, the limiting device sends an in-place signal to the upper computer, and the upper computer controls the driving motor 231 to stop rotating after receiving the in-place signal; at this time, the experimenter inputs the antenna position information to the upper computer according to the test requirement, the upper computer controls the antenna device 210 to move to a proper position in the shielding chamber according to the input antenna position information, and at the same time, the upper computer controls the wire coiling device to pay out or take up at a matched speed according to the moving direction and the moving speed of the antenna device 210, so that the relative position between the exposed part of the signal cable and the shielding groove 224 is kept unchanged, and the shielding performance of the shielding chamber is not damaged;
when the test is completed and the antenna needs to be replaced, an experimenter inputs an antenna replacement signal to the upper computer, and after the upper computer receives the antenna replacement signal, the upper computer controls the antenna device 210 in the shielding chamber to return to a preset position on the shielding panel 220 again, synchronously controls the wire coiling device to pay off or take up wires at a matched speed, and controls the driving motor 231 to rotate after the antenna device 210 is in place, so as to drive the shielding panel 220 to descend; when the shielding panel 220 is completely lowered, the upper computer controls the antenna device 210 on the shielding panel 220 to leave the shielding panel 220, controls the new antenna device 210 matched with the replacement antenna signal to move to a preset position on the shielding panel 220, and controls the driving motor 231 to drive the shielding panel 220 to rise, so that the new antenna device enters the shielding chamber 100, and the test is started again.
It can be appreciated that, because the stroke of the lifting device 230 is fixed, when the shielding panel 220 is lifted to the first preset station, the distance between the winding device and the radio frequency switch is fixed, so that an experimenter can strip the insulation layer of the signal cable at a suitable position of the signal cable between the winding device and the radio frequency switch according to the actually measured distance, so as to form an exposed part of the signal cable, and thus, when the shielding panel 220 is lifted to the first preset station, the shielding layer of the signal cable contacts with beryllium copper reeds arranged at two sides of the shielding groove 224, thereby forming a continuous conductor and ensuring the shielding performance of the shielding chamber.
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 (8)

1. The shielding chamber for rapidly replacing the antenna is characterized by comprising a shielding chamber, an antenna accommodating cavity arranged under the ground of the shielding chamber, a lifting device, a shielding panel, at least 2 antenna devices and a control module arranged outside the shielding chamber, wherein the lifting device, the shielding panel and the at least 2 antenna devices are arranged in the antenna accommodating cavity;
the control module is electrically connected with the lifting device and the antenna device;
the control module is used for controlling the lifting device to ascend or descend;
the control module is also used for receiving detection signals sent by the antenna device;
a notch communicated with the antenna accommodating cavity is formed in the bottom surface of the shielding chamber, and the size of the shielding panel is matched with that of the notch;
the shielding panel is used for bearing the antenna device;
the lifting device is used for driving the shielding panel to ascend or descend so as to enable the antenna device to be arranged in the shielding chamber; when the shielding panel rises to a first preset station, the shielding panel and the bottom surface of the shielding chamber are positioned at the same horizontal plane.
2. The rapid antenna replacement shielding chamber of claim 1, wherein the shielding panel comprises a shielding table matched with the notch, an extension fixing plate slightly lower than the shielding table is respectively arranged on two sides of the shielding table, and at least one through hole is arranged on the extension fixing plate; the shielding table is also provided with a shielding groove, a first shielding device and a second shielding device are respectively fixed on two sides of the shielding groove, the first shielding device and the second shielding device are continuous conductors, and in a natural state, the first shielding device and the second shielding device are contacted, so that continuous conductors are formed;
when the shielding panel rises to a first preset station, the shielding table and the bottom surface of the shielding chamber are positioned on the same horizontal plane.
3. The shielded room for a quick change antenna according to claim 2 wherein said first shielding means and said second shielding means are beryllium copper reeds.
4. The rapid antenna replacement shielding chamber of claim 2, wherein a third shielding device is arranged around the shielding table, and a fourth shielding device is arranged around a ground notch of the shielding chamber;
when the shielding panel rises to a first preset station, the third shielding device is contacted with the fourth shielding device;
wherein the third shielding device and the fourth shielding device are continuous conductors.
5. The rapid antenna changing shielding chamber of claim 2, wherein the lifting device comprises at least one drive motor, at least one screw and at least one screw holder;
the screw rod is provided with a nut, the screw rod penetrates through the through hole in the epitaxial fixing plate, and the nut is fixedly connected with the through hole;
the antenna accommodating cavity is provided with a motor accommodating cavity on the ground opposite to the notch on the bottom surface of the shielding chamber; the driving motor is arranged in the motor accommodating cavity, and a rotating shaft of the driving motor is connected with one end of the screw rod in a shaft way;
the screw rod fixing seats are arranged below two sides of the notch on the bottom surface of the shielding chamber;
the other end of the screw rod is connected with the screw rod fixing seat;
a limiting device is arranged on the screw rod fixing seat;
when the shielding panel rises to a first preset station, the limiting device sends an in-place signal to the control module;
the control module is also used for controlling the driving motor to stop rotating after receiving the in-place signal.
6. The rapid antenna replacement shielding chamber according to claim 2, wherein the antenna device comprises an antenna body, an antenna frame and a winding device, and a radio frequency switch is further arranged in the antenna accommodating cavity;
the antenna body is fixedly arranged on the antenna frame, a signal cable is wound on the winding device, one end of the signal cable is connected with the antenna body, and the other end of the signal cable is connected with the input end of the radio frequency switch;
the output end of the radio frequency switch is connected with the control module;
a naked part is arranged on the signal cable between the coiling device and the radio frequency switch; when the shielding panel rises to a first preset station, the exposed part passes through the shielding groove on the shielding table, so that the shielding layer of the signal cable is contacted with the first shielding device and the second shielding device on the shielding groove.
7. The quick change antenna housing of claim 6 wherein the length of said exposed portion is not less than the thickness of said shield slot.
8. The rapid exchange antenna shielding chamber of claim 6, wherein said antenna assembly further comprises a mobile platform;
the antenna body, the antenna frame and the coiling device are all arranged on the 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.
CN201811059437.7A 2018-09-12 2018-09-12 Shielding room for quick replacement of antenna Active CN109358216B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811059437.7A CN109358216B (en) 2018-09-12 2018-09-12 Shielding room for quick replacement of antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811059437.7A CN109358216B (en) 2018-09-12 2018-09-12 Shielding room for quick replacement of antenna

Publications (2)

Publication Number Publication Date
CN109358216A CN109358216A (en) 2019-02-19
CN109358216B true CN109358216B (en) 2024-03-29

Family

ID=65350863

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811059437.7A Active CN109358216B (en) 2018-09-12 2018-09-12 Shielding room for quick replacement of antenna

Country Status (1)

Country Link
CN (1) CN109358216B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108957063B (en) * 2018-09-04 2024-03-29 广州市诚臻电子科技有限公司 Automatic change shield room

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5532704A (en) * 1993-06-15 1996-07-02 Siepel-Societe Industrielle D'etudes Et Protection Electroique Device for positioning antennas inside a measurment chamber of the anechoic or of the semi-anechoic type
JP2002107398A (en) * 2000-09-29 2002-04-10 Murata Mfg Co Ltd Measuring device for antenna-coupled state, and usage for radio wave anechoic chamber
JP2006191179A (en) * 2004-12-28 2006-07-20 Maspro Denkoh Corp Antenna system for testing emc and emc testing apparatus
CN103901290A (en) * 2012-12-28 2014-07-02 鸿富锦精密工业(深圳)有限公司 Electromagnetic compatibility test system
CN104219010A (en) * 2014-09-19 2014-12-17 上海市计量测试技术研究院 Anechoic chamber satellite signal coverage device
KR101530336B1 (en) * 2014-06-24 2015-06-22 엄형욱 Electromagnetic wave absorber test equipment for electromagnetic anechoic chamber
CN105958174A (en) * 2016-07-07 2016-09-21 广州市诚臻电子科技有限公司 Rotary antenna frame capable of automatically replacing antennas and control system
CN106058421A (en) * 2016-07-07 2016-10-26 广州市诚臻电子科技有限公司 Translation type antenna frame capable of automatically replacing antenna, and control system
CN207557383U (en) * 2017-12-20 2018-06-29 浙江埃科汽车技术服务有限公司 New-energy automobile EMC detects anechoic chamber,
CN108390144A (en) * 2018-03-28 2018-08-10 中国电子科技集团公司第二十七研究所 A kind of movable folding electromagnetic compatibility detection antenna holder
CN209821252U (en) * 2018-09-12 2019-12-20 广州市诚臻电子科技有限公司 Shielding room with quickly replaced antenna

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108957063B (en) * 2018-09-04 2024-03-29 广州市诚臻电子科技有限公司 Automatic change shield room

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5532704A (en) * 1993-06-15 1996-07-02 Siepel-Societe Industrielle D'etudes Et Protection Electroique Device for positioning antennas inside a measurment chamber of the anechoic or of the semi-anechoic type
JP2002107398A (en) * 2000-09-29 2002-04-10 Murata Mfg Co Ltd Measuring device for antenna-coupled state, and usage for radio wave anechoic chamber
JP2006191179A (en) * 2004-12-28 2006-07-20 Maspro Denkoh Corp Antenna system for testing emc and emc testing apparatus
CN103901290A (en) * 2012-12-28 2014-07-02 鸿富锦精密工业(深圳)有限公司 Electromagnetic compatibility test system
KR101530336B1 (en) * 2014-06-24 2015-06-22 엄형욱 Electromagnetic wave absorber test equipment for electromagnetic anechoic chamber
CN104219010A (en) * 2014-09-19 2014-12-17 上海市计量测试技术研究院 Anechoic chamber satellite signal coverage device
CN105958174A (en) * 2016-07-07 2016-09-21 广州市诚臻电子科技有限公司 Rotary antenna frame capable of automatically replacing antennas and control system
CN106058421A (en) * 2016-07-07 2016-10-26 广州市诚臻电子科技有限公司 Translation type antenna frame capable of automatically replacing antenna, and control system
CN207557383U (en) * 2017-12-20 2018-06-29 浙江埃科汽车技术服务有限公司 New-energy automobile EMC detects anechoic chamber,
CN108390144A (en) * 2018-03-28 2018-08-10 中国电子科技集团公司第二十七研究所 A kind of movable folding electromagnetic compatibility detection antenna holder
CN209821252U (en) * 2018-09-12 2019-12-20 广州市诚臻电子科技有限公司 Shielding room with quickly replaced antenna

Also Published As

Publication number Publication date
CN109358216A (en) 2019-02-19

Similar Documents

Publication Publication Date Title
CN108957063B (en) Automatic change shield room
CN107219398B (en) Resistance testing device
CN105676081B (en) Direct current cables based on ultralow frequency dielectric loss squeezes out insulation ag(e)ing state evaluating method
CN109358216B (en) Shielding room for quick replacement of antenna
CN101887101A (en) High withstand voltage testing device of single-sided aluminum-base printed circuit board and testing method
CN115675951A (en) Power transmission and distribution line inspection device and operation method thereof
CN107505513B (en) Apparatus and method for testing devices
CN209821252U (en) Shielding room with quickly replaced antenna
CN109100549B (en) Shielding room for replacing antenna by drawing and inserting
CN108872720B (en) Shielding room of extraction-insertion type replacement testing system
KR101111443B1 (en) Jig apparatus for inspecting hybrid input module
CN109239470B (en) Shielding room of extraction-insertion type replacement testing system
CN110161352B (en) Frequency response test device and method under condition of simulating turn-to-turn short circuit of transformer winding
CN110146761B (en) Control system of shielding room
CN117147981A (en) Radio frequency filter testing equipment and method
CN219392213U (en) Mixed pin chip testing device
CN216361561U (en) Polyimide film thickness detection equipment
CN111965189A (en) Electronic screen AOI check out test set
CN105409053B (en) Ultra-wideband impedance tuner
CN217404457U (en) Withstand voltage testing device of discrete semiconductor device
CN205388626U (en) Test fixture of wrist strap class resistance
CN115575804A (en) Discharge fault simulation device for circuit breaker
CN109100548B (en) Shielding room of antenna is changed to rotation type
CN114019441A (en) Electric energy meter detection device and control method thereof
CN215297618U (en) Burn-in machine detection platform

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant