CN113567791A - Electromagnetic compatibility detection system - Google Patents
Electromagnetic compatibility detection system Download PDFInfo
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- CN113567791A CN113567791A CN202110921061.1A CN202110921061A CN113567791A CN 113567791 A CN113567791 A CN 113567791A CN 202110921061 A CN202110921061 A CN 202110921061A CN 113567791 A CN113567791 A CN 113567791A
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- 238000001514 detection method Methods 0.000 title abstract description 25
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000003028 elevating effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to the technical field of detection, in particular to an electromagnetic compatibility detection system, which aims at the problem of inaccurate detection in the prior art and provides a scheme which comprises a shielding box, wherein a storage box is arranged on one side of the shielding box, two supporting plates are arranged at the bottom of the shielding box, a strip-shaped opening is formed in the bottom of the shielding box, a rotating column is arranged inside the strip-shaped opening, and a first gear is arranged outside the rotating column. The operation device is prevented from falling into dust or being damaged by external hard objects when not in use.
Description
Technical Field
The invention relates to the technical field of detection, in particular to an electromagnetic compatibility detection system.
Background
Electromagnetic compatibility refers to the ability of a device or system to operate satisfactorily in its electromagnetic environment without producing intolerable electromagnetic disturbance to any device in its environment, and thus includes two requirements: on one hand, the electromagnetic disturbance generated by the equipment to the environment in the normal operation process cannot exceed a certain limit value, and on the other hand, the equipment has certain immunity to the electromagnetic disturbance in the environment, namely electromagnetic sensitivity.
The existing electromagnetic compatibility detection system cannot enable an object to be detected to move and rotate in the detection process when the existing electromagnetic compatibility detection system is used, so that the object to be detected cannot be detected at multiple angles, the comprehensiveness and accuracy of detection are reduced, and when the existing electromagnetic compatibility detection system is not used, an operating device is directly placed on the surface of a detection platform, so that dust is easily introduced, damage is caused, and the existing electromagnetic compatibility detection system is inconvenient for people to use.
Therefore, it is necessary to invent an electromagnetic compatibility detecting system to solve the above problems.
Disclosure of Invention
The electromagnetic compatibility detection system provided by the invention solves the problem of inaccurate detection in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an electromagnetic compatibility detection system comprises a shielding box, wherein a storage box is installed on one side of the shielding box, two supporting plates are installed at the bottom of the shielding box, a bar-shaped opening is formed in the bottom of the shielding box, a rotary column is installed inside the bar-shaped opening, a first gear is installed outside the rotary column, a first rack meshed with the first gear is installed inside the bar-shaped opening, the top of the rotary column penetrates through the shielding box and extends to the inside of the shielding box, a rotary table is installed at one end, located inside the shielding box, of the rotary column, a fixing mechanism is installed at the top of the rotary table, a magnetic field generating device is installed on the inner wall of the bottom of the shielding box, the rotary table is located in the middle of the magnetic field generating device, and a first moving mechanism used for driving the rotary column to move along the bottom surface of the shielding box is installed on one side, where the two supporting plates are close to each other, the internally mounted of bin has the fixed plate, operating device is installed at the top of fixed plate, the internally mounted of bin has the elevating system who is used for driving the fixed plate to go up and down, the sleeve is installed at the top of shielding case, and the sleeve is located one side of bin, telescopic inside cover is equipped with the case lid, the internally mounted of bin has the second moving mechanism who is used for driving the case lid and carries out the removal.
Preferably, the fixing mechanism includes two pneumatic cylinders installed on the top of the rotating table and two clamping plates installed on the sides of the two pneumatic cylinders close to each other.
Preferably, first moving mechanism is including installing at the first threaded rod that two backup pads are close to one side each other and the first thread bush of threaded connection in first threaded rod outside, the top of first thread bush is rotated with the bottom of column spinner and is connected, one of them the rotating electrical machines that are used for driving first threaded rod rotation is installed to one side of backup pad, two the gag lever post is installed to one side that the backup pad is close to each other, the outside cover of gag lever post is equipped with the stopper, the top of stopper and the bottom rigid coupling of first thread bush.
Preferably, elevating system is including installing two inside second threaded rods of bin and two outside second thread bushings of threaded connection at two second threaded rods, two one side of second thread bushing respectively with the both sides rigid coupling of fixed plate, two the second threaded rod passes through drive mechanism and is connected with the transmission of first threaded rod.
Preferably, the second moving mechanism comprises a first bevel gear mounted on the top of one of the second threaded rods and a second bevel gear mounted inside the storage box and meshed with the first bevel gear, a second gear is mounted on one side of the second bevel gear, and a second rack meshed with the second gear is mounted on the bottom of the box cover.
Preferably, drive mechanism is including installing the rotary rod on one side of the bin and seting up the standing groove in first threaded rod one end, the one end of rotary rod runs through bin and one of them backup pad and extends to the inside of standing groove, two fixed slots have been seted up to the outside of rotary rod, the internally mounted of standing groove has the elastic block corresponding with the fixed slot, square fixture block is installed to the one end of rotary rod, the inside of standing groove is seted up with square fixture block matched with square clamping groove, the externally mounted of rotary rod has two third bevel gears, two the bottom of second threaded rod is installed respectively with two third bevel gear meshed's fourth bevel gear.
Preferably, an opening is formed in one side of the shielding box, and shielding box doors are hinged to two sides of the opening.
The invention has the technical effects and advantages that:
1. can drive first thread bush through the first threaded rod that is equipped with and remove about, can drive the column spinner when first thread bush removes about removing, and then can drive the revolving stage and remove about, can make the object that waits to detect remove about in the magnetic field like this, can observe the electromagnetic compatibility when removing through the controlgear and change, make the testing result more accurate, comprehensive, and when the column spinner removes about, through the intermeshing of first gear and first rack, can make the revolving stage rotate, can treat like this and detect the object and carry out the multi-angle ground and detect, thereby the comprehensiveness and the accurate nature of detection have been improved.
2. The shielding box can effectively avoid the phenomenon that the detection result is inaccurate due to the influence of a magnetic field on other electronic devices in the electromagnetic compatibility detection process, and further improves the accuracy of the detection result of the device.
3. The storage box and the box cover have certain dustproof and protective effects, the operation and control equipment is prevented from falling into dust or being damaged by external hard objects when not used, the service life of the operation and control equipment is prolonged, and the operation and control equipment is more convenient for people to use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic sectional structure view of the shielding box of the present invention.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.
Fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.
Fig. 5 is an enlarged schematic view of the structure at C in fig. 1 according to the present invention.
Fig. 6 is an enlarged schematic view of the structure of fig. 2D according to the present invention.
Fig. 7 is a schematic structural diagram of a front body of the present invention.
In the figure: 1. a shielding box; 2. a support plate; 3. a first threaded rod; 4. a first threaded sleeve; 5. a spin column; 6. a first rack; 7. a strip-shaped opening; 8. a first gear; 9. a limiting rod; 10. a limiting block; 11. a magnetic field generating device; 12. a rotating electric machine; 13. a shielding box door; 14. a sleeve; 15. a box cover; 16. a second threaded rod; 17. rotating the rod; 18. a placement groove; 19. fixing grooves; 20. an elastic block; 21. a second gear; 22. a first bevel gear; 23. a second bevel gear; 24. a third bevel gear; 25. a fourth bevel gear; 26. a second threaded sleeve; 27. a pneumatic cylinder; 28. a splint; 29. a rotating table; 30. a square fixture block; 31. a square clamping groove; 32. a storage tank; 33. a fixing plate; 34. an operating device; 35. a second rack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an electromagnetic compatibility detection system as shown in figures 1-7, which comprises a shielding box 1, a storage box 32 is arranged on one side of the shielding box 1, two support plates 2 are arranged at the bottom of the shielding box 1, a strip-shaped opening 7 is arranged at the bottom of the shielding box 1, a rotary column 5 is arranged in the strip-shaped opening 7, a first gear 8 is arranged outside the rotary column 5, a first rack 6 which is meshed with the first gear 8 is arranged in the strip-shaped opening 7, the top of the rotary column 5 penetrates through the shielding box 1 and extends to the inside of the shielding box 1, a rotary table 29 is arranged at one end of the rotary column 5 positioned in the shielding box 1, a fixing mechanism is arranged at the top of the rotary table 29, a magnetic field generating device 11 is arranged on the inner wall of the bottom of the shielding box 1, the rotary table 29 is positioned in the middle of the magnetic field generating device 11, a first moving mechanism for driving the rotary column 5 to move along the bottom surface of the shielding box 1 is arranged on one side where the two support plates 2 are close to each other, the internally mounted of bin 32 has fixed plate 33, and control device 34 is installed at the top of fixed plate 33, and the internally mounted of bin 32 is used for driving fixed plate 33 to carry out the elevating system who goes up and down, and sleeve 14 is installed at the top of shielded cell 1, and sleeve 14 is located one side of bin 32, and the inside cover of sleeve 14 is equipped with case lid 15, and the internally mounted of bin 32 is used for driving second moving mechanism that case lid 15 carried out the removal.
As shown in fig. 1-7, the fixing mechanism includes two pneumatic cylinders 27 mounted on the top of the rotary table 29 and two clamping plates 28 mounted on one side of the two pneumatic cylinders 27 close to each other, the first moving mechanism includes a first threaded rod 3 mounted on one side of the two supporting plates 2 close to each other and a first threaded sleeve 4 screwed on the outside of the first threaded rod 3, the top of the first threaded sleeve 4 is rotatably connected with the bottom of the rotary column 5, a rotary motor 12 for driving the first threaded rod 3 to rotate is mounted on one side of one of the supporting plates 2, a limiting rod 9 is mounted on one side of the two supporting plates 2 close to each other, a limiting block 10 is sleeved on the outside of the limiting rod 9, the top of the limiting block 10 is fixedly connected with the bottom of the first threaded sleeve 4, the first threaded sleeve 4 is driven to move left and right by the first threaded rod 3, the rotary column 5 is driven to move left and right by the first threaded sleeve 4, and then can drive revolving stage 29 and remove about, can make the object that awaits measuring remove about in magnetic field like this, can observe the electromagnetic compatibility when removing through control equipment 34 and change, make the testing result more accurate, comprehensive, and when the column spinner 5 removes about, through the intermeshing of first gear 8 and first rack 6, can make revolving stage 29 rotate, can treat like this and detect the object and detect multi-angle, thereby the comprehensiveness and the accurate nature of detection have been improved, elevating system is including installing two second threaded rods 16 inside bin 32 and two second thread bushings 26 of threaded connection in two second threaded rod 16 outsides, one side of two second thread bushings 26 is the both sides rigid coupling with fixed plate 33 respectively, two second threaded rods 16 are connected with first threaded rod 3 transmission through drive mechanism, second moving mechanism is including installing first bevel gear 23 and the installation threaded rod 16 top at one of them second threaded rod The second bevel gear 22 is arranged inside the storage box 32 and meshed with the first bevel gear 23, the second gear 21 is arranged on one side of the second bevel gear 22, the second rack 35 meshed with the second gear 21 is arranged at the bottom of the box cover 15, the storage box 32 and the box cover 15 have certain dustproof and protective effects, the damage caused by dust or external hard objects when the control device 34 is not used is avoided, the service life of the control device 34 is prolonged, the use is more convenient for people, the transmission mechanism comprises a rotating rod 17 arranged on one side of the storage box 32 and a placing groove 18 arranged at one end of the first threaded rod 3, one end of the rotating rod 17 penetrates through the storage box 32 and one of the supporting plates 2 and extends to the inside of the placing groove 18, two fixing grooves 19 are formed outside the rotating rod 17, and an elastic block 20 corresponding to the fixing grooves 19 is arranged inside the placing groove 18, square fixture block 30 is installed to the one end of rotary rod 17, and square draw-in groove 31 with square fixture block 30 matched with is seted up to the inside of standing groove 18, and two third bevel gears 24 are installed to the externally mounted of rotary rod 17, and fourth bevel gear 25 with two third bevel gears 24 meshing is installed respectively to the bottom of two second threaded rods 16, and the opening has been seted up to one side of shielding case 1, and open-ended both sides all articulate there is shielding case door 13.
The working principle of the invention is as follows: in a specific implementation process, the rotating rod 17 is firstly pushed, one end of the rotating rod 17 is fixed inside the placing groove 18, at this time, the elastic block 20 is fixed inside the fixing groove 19, the square clamping block 30 is located inside the square clamping groove 31, meanwhile, the two third bevel gears 24 are meshed with the two fourth bevel gears 25, then the rotating motor 12 is started, when the rotating motor 12 rotates, the first threaded rod 3 is driven to rotate, when the first threaded rod 3 rotates, the rotating rod 17 is driven to rotate, so that the third bevel gear 24 rotates, through the meshing of the third bevel gear 24 and the fourth bevel gear 25, the second threaded rod 16 rotates, when the two second threaded rods 16 rotate, the two second threaded sleeves 26 are driven to move upwards, so that the fixing plate 33 moves upwards, at this time, the control device 34 moves upwards, therefore, the operation device 34 can be directly moved out of the storage box 32, at the same time, under the driving of one of the second threaded rods 16, the first bevel gear 23 will rotate, so as to drive the second bevel gear 22 to rotate, at this time, the second gear 21 will rotate, through the meshing of the second gear 21 and the second rack 35, the second rack 35 will move towards the inside of the sleeve 14, so as to drive the box cover 15 to move towards the inside of the sleeve 14, then the top of the storage box 32 is opened, through the certain dustproof and protective effects of the storage box 32 and the box cover 15, the operation device 34 is prevented from falling into dust or being damaged by external hard objects when not in use, when the operation device 34 moves to the outside of the storage box 32, the rotating rod 17 can be pulled by the pull ring to move the rotating rod 17 out of the inside of the placing groove 18, at this time, the third bevel gear 24 and the fourth bevel gear 25 are in a separated state, an object to be detected is placed at the top of the rotating platform 29, the two clamping plates 28 are close to each other, at the moment, the two pneumatic cylinders 27 can drive the two clamping plates 28 to move towards the close sides, so that the object to be detected can be fixed, after the fixation is completed, the magnetic field generating device 11 is started, the first threaded rod 3 is driven to rotate by the rotating motor 12, the first threaded sleeve 4 is driven to move left and right, the rotating column 5 is driven to move left and right when the first threaded sleeve 4 moves left and right, the rotating platform 29 is driven to move left and right, so that the object to be detected can move left and right in a magnetic field, the electromagnetic compatibility change during the movement can be observed by the control equipment 34, and the detection result is more accurate, Comprehensively, and when the column spinner 5 moved about, through the intermeshing of first gear 8 and first rack 6, can make revolving stage 29 remove when moving about and rotate, can treat like this and detect the object and carry out the detection of multi-angle ground, thereby the comprehensiveness and the accurate nature that detect have been improved, and whole testing process is gone on in shielded cell 1 is inside, can avoid effectively in the electromagnetic compatibility testing process, magnetic field causes the unsafe phenomenon of testing result to other electron device influences, further improve the accuracy of this device testing result.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. An electromagnetic compatibility detecting system, includes shielded cell (1), its characterized in that: bin (32) is installed to one side of shield box (1), two backup pads (2) are installed to the bottom of shield box (1), bar mouth (7) have been seted up to the bottom of shield box (1), the internally mounted of bar mouth (7) has column spinner (5), the externally mounted of column spinner (5) has first gear (8), the internally mounted of bar mouth (7) has first rack (6) with first gear (8) intermeshing, the inside of shield box (1) is run through at the top of column spinner (5) and extends to shield box (1), and revolving stage (29) is installed to the one end that column spinner (5) is located shield box (1) inside, fixed establishment is installed at the top of revolving stage (29), magnetic field generating device (11) are installed to the bottom inner wall of shield box (1), and revolving stage (29) are located the middle part of magnetic field generating device (11), two one side that backup pad (2) are close to each other is installed and is used for driving the first moving mechanism that column spinner (5) removed along shielded cell (1) bottom surface, the internally mounted of bin (32) has fixed plate (33), control equipment (34) are installed at the top of fixed plate (33), the internally mounted of bin (32) has the elevating system who is used for driving fixed plate (33) to go up and down, sleeve (14) are installed at the top of shielded cell (1), and sleeve (14) are located one side of bin (32), the inside cover of sleeve (14) is equipped with case lid (15), the internally mounted of bin (32) has the second moving mechanism that is used for driving case lid (15) to carry out the removal.
2. An electromagnetic compatibility testing system according to claim 1, wherein: the fixing mechanism comprises two pneumatic cylinders (27) arranged at the top of the rotating platform (29) and two clamping plates (28) arranged at one side of the two pneumatic cylinders (27) close to each other.
3. An electromagnetic compatibility testing system according to claim 1, wherein: first moving mechanism is including installing first threaded rod (3) and the first thread bush (4) of threaded connection in first threaded rod (3) outside that two backup pad (2) are close to one side each other, the top of first thread bush (4) is rotated with the bottom of column spinner (5) and is connected, one of them one rotating electrical machines (12) that are used for driving first threaded rod (3) rotation are installed to one side of backup pad (2), two gag lever post (9) are installed to one side that backup pad (2) are close to each other, the outside cover of gag lever post (9) is equipped with stopper (10), the top of stopper (10) and the bottom rigid coupling of first thread bush (4).
4. An electromagnetic compatibility testing system according to claim 1, wherein: elevating system is including installing two second threaded rod (16) inside in bin (32) and two second thread bush (26) of threaded connection in two second threaded rod (16) outsides, two one side of second thread bush (26) respectively with the both sides rigid coupling of fixed plate (33), two second threaded rod (16) are connected with first threaded rod (3) transmission through drive mechanism.
5. An electromagnetic compatibility testing system according to claim 1, wherein: the second moving mechanism comprises a first bevel gear (23) arranged at the top of one of the second threaded rods (16) and a second bevel gear (22) arranged inside the storage box (32) and meshed with the first bevel gear (23), a second gear (21) is arranged on one side of the second bevel gear (22), and a second rack (35) meshed with the second gear (21) is arranged at the bottom of the box cover (15).
6. An electromagnetic compatibility testing system according to claim 4, wherein: the transmission mechanism comprises a rotating rod (17) arranged on one side of the storage box (32) and a placing groove (18) arranged at one end of the first threaded rod (3), one end of the rotating rod (17) penetrates through the storage box (32) and one of the supporting plates (2) and extends to the inside of the placing groove (18), two fixing grooves (19) are formed in the outer part of the rotating rod (17), an elastic block (20) corresponding to the fixing grooves (19) is installed in the placing groove (18), one end of the rotating rod (17) is provided with a square clamping block (30), a square clamping groove (31) matched with the square clamping block (30) is formed in the placing groove (18), two third bevel gears (24) are mounted outside the rotating rod (17), and fourth bevel gears (25) meshed with the two third bevel gears (24) are mounted at the bottoms of the two second threaded rods (16) respectively.
7. An electromagnetic compatibility testing system according to claim 1, wherein: the opening has been seted up to one side of shielded cell (1), open-ended both sides all articulate has shielded cell door (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110921061.1A CN113567791A (en) | 2021-08-11 | 2021-08-11 | Electromagnetic compatibility detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110921061.1A CN113567791A (en) | 2021-08-11 | 2021-08-11 | Electromagnetic compatibility detection system |
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| CN113567791A true CN113567791A (en) | 2021-10-29 |
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| CN202110921061.1A Pending CN113567791A (en) | 2021-08-11 | 2021-08-11 | Electromagnetic compatibility detection system |
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Cited By (1)
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| CN117368693A (en) * | 2023-10-16 | 2024-01-09 | 山东视显电子技术有限公司 | Main control circuit board performance detection device in display |
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|---|---|---|---|---|
| CN117368693A (en) * | 2023-10-16 | 2024-01-09 | 山东视显电子技术有限公司 | Main control circuit board performance detection device in display |
| CN117368693B (en) * | 2023-10-16 | 2024-03-19 | 山东视显电子技术有限公司 | Main control circuit board performance detection device in display |
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