CN117289060A - Electromagnetic compatibility performance testing device of electronic equipment - Google Patents

Electromagnetic compatibility performance testing device of electronic equipment Download PDF

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Publication number
CN117289060A
CN117289060A CN202311235407.8A CN202311235407A CN117289060A CN 117289060 A CN117289060 A CN 117289060A CN 202311235407 A CN202311235407 A CN 202311235407A CN 117289060 A CN117289060 A CN 117289060A
Authority
CN
China
Prior art keywords
slide rail
threaded
arc
electromagnetic compatibility
workbench
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.)
Pending
Application number
CN202311235407.8A
Other languages
Chinese (zh)
Inventor
张家祯
范军
钱瑜
宋涛
钱明明
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.)
Shanghai Aerospace Control Technology Institute
Original Assignee
Shanghai Aerospace Control Technology Institute
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 Shanghai Aerospace Control Technology Institute filed Critical Shanghai Aerospace Control Technology Institute
Priority to CN202311235407.8A priority Critical patent/CN117289060A/en
Publication of CN117289060A publication Critical patent/CN117289060A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • 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
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The invention belongs to the technical field of detection equipment, and discloses an electromagnetic compatibility testing device of electronic equipment, which comprises a shielding chamber, a tester and a workbench, wherein the tester and the workbench are arranged in the shielding chamber, the workbench is provided with a mounting position, the mounting position comprises a mounting plate which is rotationally connected to the workbench and two fixing blocks which are eccentrically arranged on the mounting plate, the mounting plate is provided with a strip-shaped groove, the fixing blocks are slidingly connected to the strip-shaped groove, the electromagnetic compatibility testing device also comprises a fixing rod which penetrates through the bottoms of the two fixing blocks, two thread sections with opposite rotation directions are arranged on the fixing rod, and the two thread sections are respectively in threaded connection with the two fixing blocks; one side of the shielding chamber, which is positioned on the workbench, is provided with a test slide rail, and the tester is in sliding connection with the test slide rail. The invention solves the problem that the existing testing device can only complete the testing of a single position.

Description

Electromagnetic compatibility performance testing device of electronic equipment
Technical Field
The invention belongs to the technical field of detection equipment, and particularly relates to an electromagnetic compatibility performance testing device of electronic equipment.
Background
Electromagnetic compatibility (i.e., electromagnetic Compatibility, EMC for short) refers to the ability of a device or system to operate satisfactorily in its electromagnetic environment without producing unacceptable electromagnetic disturbance to any device in the environment. The electromagnetic performance needs to meet the following two requirements, namely, the electromagnetic disturbance (Electromagnetic Disturbance) generated on the environment in the normal operation process of the equipment cannot exceed a certain limit value; secondly, the device has a certain degree of immunity to electromagnetic disturbance existing in the environment, namely electromagnetic sensitivity (Electromagnetic Susceptibility, namely EMS).
At present, an EMC performance test of an electronic device is usually performed in a semi-anechoic chamber, and after the tested electronic device is placed at a fixed position, the EMC performance test is performed. Because electromagnetic radiation or interference resistance of the electronic equipment at different distances is different, the electronic equipment can possibly move in the using process, but the current testing devices are all subjected to fixed-point testing, so that EMC performance of the electronic equipment in the moving process cannot be well tested.
Disclosure of Invention
The invention aims to provide an electromagnetic compatibility testing device of electronic equipment, and aims to solve the technical problems in the prior art.
In order to achieve the above purpose, the invention provides a technical scheme that an electromagnetic compatibility testing device of electronic equipment comprises a shielding chamber, a tester and a workbench, wherein the tester and the workbench are arranged in the shielding chamber, the workbench is provided with a mounting position, and the mounting position comprises a mounting disc which is rotationally connected to the workbench, two fixed blocks which are eccentrically arranged on the mounting disc, and a driving piece which drives the mounting disc to rotate; the mounting plate is provided with a strip-shaped groove, the fixed blocks are connected onto the strip-shaped groove in a sliding manner, the mounting plate further comprises a fixed rod penetrating through the bottoms of the two fixed blocks, two threaded sections with opposite rotation directions are arranged on the fixed rod, and the two threaded sections are respectively connected with the two fixed blocks in a threaded manner; one side of the shielding chamber, which is positioned on the workbench, is provided with a test slide rail, and the tester is in sliding connection with the test slide rail.
The beneficial effects of this technical scheme:
the fixing rod is rotated, and the relative or opposite movement of the fixing block can be realized through the rotation of the two sections of thread sections, so that the fixing or loosening of the electronic equipment to be tested can be realized. The driving piece can drive the mounting plate to rotate, so that the position movement of the electronic equipment can be realized, and the electromagnetic compatibility performance test of different positions can be realized. The tester can move on the test slide rail, and electromagnetic compatibility performance test in the moving process can be realized.
In another preferred embodiment of the invention, a movable sliding rail is further arranged in the shielding chamber, the workbench is slidably connected to the movable sliding rail, a screw rod is rotatably connected below the movable sliding rail, a sliding block is connected to the screw rod in a threaded manner, and the sliding block is fixed at the bottom of the workbench.
The beneficial effects are that: the screw rod rotates to drive the sliding block to slide, so that the workbench moves along the movable sliding rail, and further electromagnetic compatibility performance tests under more conditions can be realized.
In another preferred embodiment of the invention, the driving member comprises a rack fixed to one side of the moving slide, and the outer periphery of the mounting plate is provided with a gear engaged with the rack.
The beneficial effects are that: the workbench can drive the mounting plate to synchronously move in the moving process, and the gear outside the mounting plate is meshed with the rack, so that the mounting plate can rotate when moving, and further the position movement of the electronic equipment to be tested is realized.
In another preferred embodiment of the invention, the device further comprises a threaded rod rotatably connected to the movable slide rail, and the threaded rod is in threaded connection with the rack.
The beneficial effects are that: the threaded rod is rotated, so that the rack can move in position on the threaded rod, and then the rack is close to or far away from the movable sliding rail, so that the rack is meshed with or separated from the gear, and the testing of a plurality of different angles and positions can be realized.
In another preferred embodiment of the invention, a guide rod is also fixed on the movable slide rail, the guide rod is arranged in parallel with the threaded rod, and the guide rod penetrates through the rack and is in sliding connection with the rack.
The beneficial effects are that: the guide rod can limit the rack, so that the position of the rack can be conveniently adjusted.
In another preferred embodiment of the present invention, a plurality of test slide rails are provided, the test slide rails include a linear slide rail and an arc slide rail, the linear slide rail is disposed parallel to the moving slide rail, and an extrados of the arc slide rail faces the moving slide rail.
The beneficial effects are that: the linear slide rail is used for realizing linear movement of the tester, the arc slide rail is used for realizing curved movement of the tester, and more tests in different forms can be completed.
In another preferred embodiment of the invention, a screw rod is also arranged at the bottom of the linear slide rail, a mounting block is connected to the screw rod in a threaded manner, the mounting block is connected to the linear slide rail in a sliding manner, a threaded mounting hole is formed in the mounting block, a bolt is connected to the tester in a threaded manner, and the bolt is matched with the threaded mounting hole.
The beneficial effects are that: the screw rod rotates to enable the installation block to slide, the tester is fixed on the installation block, and the tester can slide on the linear sliding rail along with the installation block.
In another preferred embodiment of the invention, a plurality of arc-shaped sliding rails are arranged, the arc-shaped sliding rails are concentrically arranged, a moving bar is arranged below the arc-shaped sliding rails, a plurality of threaded holes are formed in the moving bar, the moving bar is further provided with a positioning block in threaded connection with the threaded holes, the positioning block is in sliding connection with the arc-shaped sliding rails, and a threaded mounting hole matched with a bolt is formed in the positioning block; the device also comprises a driving column which is rotationally connected to the shielding chamber, and the movable strip is fixed on the driving column.
The beneficial effects are that: the driving column rotates to drive the movable strip to rotate, so that the positioning block on the movable strip can be driven to slide on the arc-shaped slide rail, the tester is fixed on the positioning block, and the tester can slide on the arc-shaped slide rail. The positioning blocks are fixed on the threaded holes corresponding to different arc-shaped sliding rails, so that the positioning blocks can slide on the arc-shaped sliding rails.
Only one positioning block is arranged, so that when the moving bar rotates along with the driving column, the positioning blocks slide in all the arc-shaped sliding rails, and the abrasion of the arc-shaped sliding rails and the generated noise can be reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a transverse cross-sectional view of an embodiment of the present application.
Fig. 2 is a longitudinal cross-sectional view of an embodiment of the present application.
Reference numerals in the drawings of the specification include: the device comprises a shielding chamber 1, a wave absorbing layer 2, a partition plate 3, a movable sliding rail 4, a workbench 5, a sliding block 6, a first strip-shaped groove 7, a first screw rod 8, a first motor 9, a mounting plate 10, a fixed block 11, a second strip-shaped groove 12, a fixed rod 13, a gear 14, a rack 15, a threaded rod 16, a guide rod 17, a linear sliding rail 18, an arc-shaped sliding rail 19, a third strip-shaped groove 20, a mounting block 21, a second screw rod 22, a second motor 23, a threaded mounting hole 24, a tester 25, a third motor 26, a driving column 27, a movable strip 28, a threaded hole 29, an arc-shaped groove 30 and a positioning block 31.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "vertical," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the invention.
In the description of the present invention, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.
The invention provides an electromagnetic compatibility testing device of electronic equipment, which is shown in figure 1 and comprises a shielding chamber 1, wherein a wave absorbing layer 2 is arranged on the inner wall of the shielding chamber 1. The lower part of the shielding chamber 1 is fixed with a baffle plate 3, a movable slide rail 4 and a test slide rail are arranged on the baffle plate 3, and the test slide rail is positioned on the right side of the movable slide rail 4.
The movable slide rail 4 is connected with a workbench 5 in a sliding manner, and a first strip-shaped groove 7 is arranged below the movable slide rail 4 on the partition plate 3. The movable slide rail 4 is connected with a workbench 5 in a sliding manner, a sliding block 6 is fixed at the bottom of the workbench 5, and the sliding block 6 penetrates through the first strip-shaped groove 7 and is positioned below the partition plate 3. The device also comprises a first screw rod 8, wherein the first screw rod 8 penetrates through the sliding block 6 and is in threaded connection with the sliding block 6, so that the workbench 5 is driven to slide on the movable sliding rail 4 when the first screw rod 8 rotates. Both ends of the first screw rod 8 are rotationally connected with the side wall of the shielding chamber 1, the lower end of the first screw rod 8 penetrates through the shielding chamber 1, a first motor 9 is fixed on the side wall of the shielding chamber 1, and the first motor 9 drives an output shaft to be coaxially fixed with the lower end of the first screw rod 8.
Be provided with the installation position on workstation 5, the installation position includes mounting disc 10 and two fixed blocks 11, and the bottom of mounting disc 10 is provided with the pivot, and the pivot rotates to be connected at the upper surface of workstation 5, and is provided with the rubber layer between pivot and the workstation 5 for the pivot only can take place relative rotation with the workstation 5 when receiving great external force.
The workbench 5 is eccentrically provided with a second bar-shaped groove 12, two fixing blocks 11 are slidably connected in the second bar-shaped groove 12, the workbench further comprises a fixing rod 13 penetrating through the bottoms of the two fixing blocks 11, two threaded sections with opposite screwing directions are arranged on the fixing rod 13, the two fixing blocks 11 are respectively in threaded connection with the two threaded sections, and therefore the two fixing blocks 11 can move relatively or reversely when the fixing rod 13 rotates. A rubber layer is provided on the opposite side of the two fixing blocks 11.
The device further comprises a driving piece for driving the mounting plate 10 to rotate, the driving piece comprises a gear 14 fixed on the periphery of the mounting plate 10, a rack 15 meshed with the gear 14, a threaded rod 16 penetrating through the rack 15 and a guide rod 17, the threaded rod 16 is in threaded connection with the rack 15, and the right end of the threaded rod 16 is in rotary connection with the movable sliding rail 4. The guide rod 17 is transversely and slidably connected with the rack 15, and the right end of the guide rod 17 is fixed with the movable slide rail 4. Therefore, when the threaded rod 16 rotates, the rack 15 can be driven to move left and right, and further the rack 15 is meshed with or separated from the gear 14.
The test slide rail is provided with many, and the test slide rail includes a straight line slide rail 18 and many arc slide rails 19, straight line slide rail 18 and removal slide rail 4 parallel arrangement. The arc slide rails 19 are all arranged concentrically, and the outer arc surface of the arc slide rails 19 is arranged leftwards.
A third bar-shaped groove 20 is arranged below the linear slide rail 18 on the partition plate 3, a mounting block 21 is connected in a sliding manner on the linear slide rail 18, and the bottom of the mounting block 21 penetrates through the third bar-shaped groove 20 and is positioned below the partition plate 3. A second screw rod 22 is arranged below the third bar-shaped groove 20, the second screw rod 22 penetrates through the mounting block 21 and is in threaded connection with the mounting block, two ends of the second screw rod 22 are both in rotary connection with the shielding chamber 1, and the lower end of the second screw rod 22 penetrates through the side wall of the shielding chamber 1. A second motor 23 is fixed on the shielding chamber 1, and an output shaft of the second motor 23 is coaxially fixed with the second screw rod 22.
The upper surface of the mounting block 21 is provided with a threaded mounting hole 24, and further comprises a tester 25, a bolt is connected to the tester 25 in a threaded manner, the bolt is inserted into the threaded mounting hole 24, and the threaded mounting hole 24 is screwed, so that the tester 25 can be fixed on the mounting block 21.
Referring to fig. 2, a third motor 26 is fixed at the bottom of the shielding chamber 1, a driving column 27 is coaxially fixed on an output shaft of the third motor 26, the driving column 27 is concentrically arranged with the arc-shaped sliding rail 19, a moving bar 28 is fixed on the upper side wall of the driving column 27, and the moving bar 28 is located below the partition plate 3. Screw holes 29 are arranged on the moving bar 28 and below the arc-shaped sliding rail 19.
The baffle 3 is provided with arc grooves 30 below the arc slide rails 19, and further comprises a positioning block 31 which can penetrate through the arc grooves 30, and the positioning block 31 can be in sliding connection with each arc slide rail 19. The bottom of the positioning block 31 is provided with a thread section, so that the positioning block 31 and the movable bar 28 can be fixed. The upper surface of the positioning block 31 is also provided with a threaded mounting hole 24, which can fix the tester 25 on the mounting block 21.
The specific implementation process is as follows:
the electronic device to be tested is placed between the two fixing blocks 11, and the fixing rod 13 is rotated so that the two fixing blocks 11 relatively move to fix the electronic device on the mounting plate 10. The first motor 9 is started to drive the first screw rod 8 to rotate, and then the workbench 5 slides on the movable slide rail 4 through the cooperation of the first screw rod 8 and the slide block 6, so that the electronic equipment moves.
The threaded rod 16 is rotated to enable the rack 15 to move rightwards until the rack 15 is meshed with the gear 14, so that the mounting disc 10 can be rotated in the moving process of the workbench 5, the position and the angle of the electronic equipment can be changed, and further the test of different movement forms of the electronic equipment can be realized.
When it is necessary to set the tester 25 on the linear slide 18 to complete the test, the tester 25 is fixed on the mounting block 21 with bolts. The second motor 23 is started, and the second motor 23 drives the second screw rod 22 to rotate, so that the mounting block 21 can drive the tester 25 to move on the linear slide rail 18.
When the test is required to be completed by arranging the tester 25 on the linear slide rail 18, the positioning block 31 is fixed on the moving bar 28 corresponding to the target arc slide rail 19, and then the tester 25 is fixed on the positioning block 31. The third motor 26 is started, the third motor 26 drives the driving column 27 to rotate, the moving bar 28 synchronously rotates along with the driving column 27, the positioning block 31 synchronously moves with the moving bar 28, and the moving track of the positioning block is an arc matched with the arc-shaped slide rail 19, so that the tester 25 can slide in the arc-shaped slide rail 19.
Through different settings and drive electronic equipment and tester 25 removal, can accomplish carrying out the electromagnetic compatibility performance test of different forms to electronic equipment, compare with prior art only can fixed point test, the suitability is wider.
In the description of the present specification, reference to the terms "preferred implementation," "one embodiment," "some embodiments," "example," "a particular example" or "some examples" and the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. Electromagnetic compatibility testing arrangement of electronic equipment, including shielding room, setting up tester and workstation in shielding room, be provided with the installation position on the workstation, its characterized in that: the mounting position comprises a mounting disc rotatably connected to the workbench, two fixing blocks eccentrically arranged on the mounting disc, and a driving piece for driving the mounting disc to rotate; the mounting plate is provided with a strip-shaped groove, the fixed blocks are connected onto the strip-shaped groove in a sliding manner, the mounting plate further comprises a fixed rod penetrating through the bottoms of the two fixed blocks, two threaded sections with opposite rotation directions are arranged on the fixed rod, and the two threaded sections are respectively connected with the two fixed blocks in a threaded manner; one side of the shielding chamber, which is positioned on the workbench, is provided with a test slide rail, and the tester is in sliding connection with the test slide rail.
2. The electromagnetic compatibility testing apparatus of electronic devices of claim 1, wherein: the shielding room is also provided with a movable slide rail, the workbench is in sliding connection with the movable slide rail, a screw rod is rotationally connected below the movable slide rail, a sliding block is in threaded connection with the screw rod, and the sliding block is fixed at the bottom of the workbench.
3. The electromagnetic compatibility testing apparatus of electronic devices of claim 2, wherein: the driving piece comprises a rack fixed on one side of the movable slide rail, and a gear meshed with the rack is arranged on the periphery of the mounting plate.
4. An electromagnetic compatibility testing apparatus of electronic devices according to claim 3, wherein: the device also comprises a threaded rod which is rotationally connected to the movable slide rail, and the threaded rod is in threaded connection with the rack.
5. The electromagnetic compatibility testing apparatus of electronic devices of claim 4, wherein: and a guide rod is fixed on the movable slide rail, is arranged in parallel with the threaded rod, penetrates through the rack and is in sliding connection with the rack.
6. The electromagnetic compatibility testing apparatus of electronic devices of claim 5, wherein: the test slide rail comprises a linear slide rail and an arc slide rail, wherein the linear slide rail and the movable slide rail are arranged in parallel, and the outer arc surface of the arc slide rail faces the movable slide rail.
7. The electromagnetic compatibility testing apparatus of electronic devices of claim 6, wherein: the bottom of linear slide rail also is provided with the lead screw, and threaded connection has the installation piece on the lead screw, and installation piece sliding connection is provided with the screw thread mounting hole on the installation piece on linear slide rail, and threaded connection has the bolt on the tester, and the bolt cooperates with the screw thread mounting hole.
8. The electromagnetic compatibility testing apparatus of electronic devices of claim 7, wherein: the arc-shaped sliding rails are provided with a plurality of arc-shaped sliding rails which are concentrically arranged, a moving bar is arranged below the arc-shaped sliding rails, a plurality of threaded holes are formed in the moving bar, the arc-shaped sliding rails further comprise a positioning block which is in threaded connection with the threaded holes, the positioning block is in sliding connection with the arc-shaped sliding rails, and a threaded mounting hole matched with a bolt is formed in the positioning block; the device also comprises a driving column which is rotationally connected to the shielding chamber, and the movable strip is fixed on the driving column.
CN202311235407.8A 2023-09-25 2023-09-25 Electromagnetic compatibility performance testing device of electronic equipment Pending CN117289060A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311235407.8A CN117289060A (en) 2023-09-25 2023-09-25 Electromagnetic compatibility performance testing device of electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311235407.8A CN117289060A (en) 2023-09-25 2023-09-25 Electromagnetic compatibility performance testing device of electronic equipment

Publications (1)

Publication Number Publication Date
CN117289060A true CN117289060A (en) 2023-12-26

Family

ID=89251300

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311235407.8A Pending CN117289060A (en) 2023-09-25 2023-09-25 Electromagnetic compatibility performance testing device of electronic equipment

Country Status (1)

Country Link
CN (1) CN117289060A (en)

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