CN219915782U

CN219915782U - EMC near field electromagnetic field detection equipment

Info

Publication number: CN219915782U
Application number: CN202321542453.8U
Authority: CN
Inventors: 陈国琦
Original assignee: Wuhan Shenzhou Technical Testing Technology Co ltd
Current assignee: Wuhan Shenzhou Technical Testing Technology Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2023-10-27
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses EMC near-field electromagnetic field detection equipment, which relates to the technical field of near-field electromagnetic field detection and comprises a detection table, wherein a near-field probe is fixedly connected to the end part of a driving mechanism, a first spring is fixedly connected to the bottom end of a circular groove, a U-shaped rod is fixedly connected to the top end of the first spring, inclined rails are arranged on one sides of two straight blocks, which are close to each other, and sliding rods are fixedly connected to one sides of hinged plates, which are close to the straight blocks.

Description

EMC near field electromagnetic field detection equipment

Technical Field

The utility model relates to the technical field of near-field electromagnetic field detection, in particular to EMC near-field electromagnetic field detection equipment.

Background

The electromagnetic radiation detector can be used for detecting radiation of an electric field and a magnetic field, is suitable for places such as families, offices, outdoor places and industrial places, can detect the electron radiation intensity of a detected workpiece, simulates the distribution state of the electromagnetic field radiation intensity on the detected workpiece, and further corrects the exceeding standard range on the detected workpiece.

At present, when the detection probe is used for detecting the electronic circuit board, the driving mechanism for driving the detection probe to move can generate vibration, so that the electronic circuit board is affected by the vibration, the position of the electronic circuit board can shift, the phenomenon of repetition and detection omission of detected data is caused, and the condition of inaccurate detection data is caused. For this reason, an EMC near-field electromagnetic field detection apparatus is required to solve the above-described technical problems.

Disclosure of Invention

The utility model aims to make up the defects of the prior art and provides EMC near-field electromagnetic field detection equipment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: EMC near field electromagnetic field detection equipment, including the detection platform, the top of detecting the platform is equipped with actuating mechanism, actuating mechanism's tip rigid coupling has near field probe, the top of detecting the platform is equipped with the work piece, the top of detecting the platform is equipped with fixed establishment, the inside of detecting the platform is equipped with adjustment mechanism;

the fixing mechanism comprises straight blocks arranged at two sides of the top end of the detection table, round grooves are formed in the top ends of the straight blocks, a spring is fixedly connected to the bottom ends of the round grooves, U-shaped rods are fixedly connected to the top ends of the springs, the other ends of the U-shaped rods are located outside the round grooves, inclined rails are arranged on one sides, close to the straight blocks, of the straight blocks, transverse rails are arranged on the bottom ends of the inclined rails, hinge plates are hinged to the top ends of the inner sides of the U-shaped rods, arc-shaped rods are fixedly connected to the top ends of the U-shaped rods, and sliding rods are fixedly connected to one sides, close to the straight blocks, of the hinge plates.

Preferably, the adjustment mechanism is including seting up at the inside inner chamber of test bench, the slide hole has all been seted up to the both sides on inner chamber top, all the rigid coupling has the gag lever post between the both ends of slide hole, the equal sliding connection in the outside of gag lever post has the slider, the outside of gag lever post all overlaps and is equipped with No. two springs, and No. two both ends of spring all respectively with slider and slide hole lateral wall rigid coupling, one side that the inner chamber is close to actuating mechanism rotates and is connected with the pivot, and the tip of pivot extends to the outside of test bench, two one side that the slider is close to all the rigid coupling has the stay cord, and the bottom of stay cord all with the pivot rigid coupling, square groove has been seted up to the pivot side, sliding connection has the square pole in the square groove, the side rigid coupling of test bench has solid fixed ring, the inboard rigid coupling of fixed ring has a set of No. one card strip, the outside rigid coupling of square pole has a set of connecting rod, the tip of connecting rod all rigid coupling has the ring, the outside of ring all rigid coupling has a set of No. two card strips.

Preferably, a spectrum analyzer is fixedly connected to the front side of the detection table, and the spectrum analyzer is electrically connected with the near-field probe.

Preferably, the bottom ends of the U-shaped rods, which are positioned on one side outside the circular groove, are rotationally connected with the circular balls, and the bottom ends of the circular balls are contacted with the top ends of the workpieces.

Preferably, one end of the square rod positioned in the square groove is fixedly connected with a third spring, and the other end of the third spring is fixedly connected with the inner side of the square groove.

Preferably, the two sides of the bottom end of the detection table are fixedly connected with supporting legs, and the driving mechanism is connected with the detection table through a group of bolts.

Preferably, one end of the square rod positioned outside the square groove is fixedly connected with a rotating rod, and the outer side of the rotating rod is fixedly connected with a sponge sleeve.

The beneficial effects are that:

compared with the prior art, the EMC near-field electromagnetic field detection device has the following beneficial effects:

1. according to the utility model, the U-shaped rod is pressed down, so that the U-shaped rod drives the sliding rod to slide in the inclined rail through the hinged plate, when the sliding rod is positioned at the lowest end, the U-shaped rod tightly extrudes and fixes a workpiece, under the action of gravity, the hinged plate is in a vertical state, the sliding rod automatically enters the transverse rail, at the moment, the fixing of the workpiece is realized, otherwise, the U-shaped rod is slightly stirred, the extrusion fixing of the workpiece can be canceled, so that the position of the workpiece is prevented from being deviated in the detection process, the phenomenon of repetition and omission is avoided, and the accuracy of detection data is ensured.

2. According to the utility model, the square rod is pulled outwards and rotated to drive the rotating shaft to rotate, the pull rope can be gradually wound on the rotating shaft or gradually loosened, at the moment, the two fixing mechanisms can be controlled to be close to or far away from each other, and after the square rod is adjusted to a proper distance, the square rod is slid into the square groove again, so that the second clamping strip is clamped into the first clamping strip again, the distance between the fixing mechanisms after adjustment is fixed, the fixing mechanism is favorable for being suitable for workpieces with different sizes, and the application range is wide.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of a fixing mechanism according to the present utility model;

FIG. 3 is a schematic structural view of a fixing mechanism according to the present utility model;

FIG. 4 is a schematic cross-sectional view of the present utility model;

fig. 5 is a schematic structural view of an adjusting mechanism in the present utility model.

In the figure: 1. the device comprises a detection table, 2, a driving mechanism, 3, a near-field probe, 4, a workpiece, 5, a fixing mechanism, 51, a straight block, 52, a round groove, 53, a first spring, 54, a U-shaped rod, 55, a diagonal rail, 56, a transverse rail, 57, a hinged plate, 58, an arc-shaped rod, 59, a sliding rod, 6, an adjusting mechanism, 60, an inner cavity, 61, a sliding hole, 62, a limit rod, 63, a sliding block, 64, a second spring, 65, a rotating shaft, 66, a pull rope, 67, a square groove, 68, a fixing ring, 69, a first clamping strip, 690, a square rod, 691, a connecting rod, 692, a circular ring, 693, a second clamping strip, 7, a spectrum analyzer, 8, a round ball, 9, a third spring, 10, a supporting leg, 11, a bolt, 12, a rotary rod, 13 and a sponge sleeve.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

As shown in fig. 1 to 5, the EMC near-field electromagnetic field detection device comprises a detection table 1, wherein a driving mechanism 2 is arranged at the top end of the detection table 1, a near-field probe 3 is fixedly connected to the end part of the driving mechanism 2, and a workpiece 4 is arranged at the top of the detection table 1. The front side of the detection table 1 is fixedly connected with a spectrum analyzer 7, the spectrum analyzer 7 is electrically connected with a near-field probe 3, the near-field probe 3 is a probe with a special insulated field, the spectrum analyzer 7 can read detection data and operation data, the spectrum analyzer 7 outputs display patterns, and storage and output of measurement data can be realized. The both sides of detecting platform 1 bottom all rigid coupling have supporting leg 10, and connect through a set of bolt 11 between actuating mechanism 2 and the detecting platform 1, and supporting leg 10 has played firm support's effect to this equipment, and the design of bolt 11 has firm actuating mechanism 2, and convenient dismantlement. The top of the detection table 1 is provided with a fixing mechanism 5, and the inside of the detection table 1 is provided with an adjusting mechanism 6.

The fixing mechanism 5 comprises straight blocks 51 arranged at two sides of the top end of the detection table 1, round grooves 52 are formed in the top ends of the straight blocks 51, a first spring 53 is fixedly connected to the bottom ends of the round grooves 52, U-shaped rods 54 are fixedly connected to the top ends of the first springs 53, and the other ends of the U-shaped rods 54 are located outside the round grooves 52. The bottom that U-shaped pole 54 is located the outside one side of circular slot 52 all rotates and is connected with ball 8, and the bottom of ball 8 all contacts with the top of work piece 4, and the design of ball 8 is favorable to reducing the area of contact with work piece 4, and simultaneously when stirring U-shaped pole 54, pivoted ball 8 is favorable to reducing the friction with work piece 4. Inclined rails 55 are arranged on the sides, close to the two straight blocks 51, of the two straight blocks, transverse rails 56 are arranged at the bottom ends of the inclined rails 55, hinged plates 57 are hinged to the top ends of the inner sides of the U-shaped rods 54, arc-shaped rods 58 are fixedly connected to the top ends of the U-shaped rods 54, and sliding rods 59 are fixedly connected to the sides, close to the straight blocks 51, of the hinged plates 57.

When the device is in operation, a workpiece 4 is placed on a detection table 1, then a U-shaped rod 54 is pressed downwards, one end of the U-shaped rod 54 extrudes a first spring 53, the other end of the U-shaped rod 54 moves downwards, meanwhile, the middle of the U-shaped rod 54 drives a hinged plate 57 to move downwards, the hinged plate 57 drives a slide rod 59 to slide downwards in a diagonal rail 55, when the slide rod slides to the lowest end of the hinged plate 57, under the action of gravity, the hinged plate 57 is in a vertical state, at the moment, the slide rod 59 automatically enters a transverse rail 56, and the bottom end of the U-shaped rod 54 tightly extrudes and fixes the workpiece 4, when the workpiece 4 needs to be taken out, the U-shaped rod 54 is slightly stirred to one side of the diagonal rail 55, the U-shaped rod 54 drives the hinged plate 57 to move through an arc-shaped rod 58, the hinged plate 57 drives the slide rod 59 to enter the diagonal rail 55, under the action of the first spring 53, at the moment, the workpiece 4 can be taken down, and then the device presses the U-shaped rod 54 downwards, so that the U-shaped rod 54 drives the hinge plate 59 to slide in the diagonal rail 55, when the U-shaped rod 59 is located at the lowest end, the transverse rail 55, the slide rod 59 automatically enters the transverse rail 56, and the workpiece 4 is tightly pressed, and the workpiece 4 is tightly, and the position is tightly detected, and the position is not in the vertical state, and the situation is avoided, and the situation is fixed, and the situation is avoided, and the situation is that the workpiece is fixed when the vertical, and is repeatedly, and when the position is detected.

The adjustment mechanism 6 is including seting up at the inside inner chamber 60 of detecting bench 1, slide hole 61 has all been seted up to the both sides on inner chamber 60 top, all the rigid coupling has gag lever post 62 between the both ends of slide hole 61, the equal sliding connection in the outside of gag lever post 62 has slider 63, the outside of gag lever post 62 all overlaps and is equipped with No. two springs 64, and No. two both ends of spring 64 all respectively with slider 63 and slide hole 61 lateral wall rigid coupling, one side that inner chamber 60 is close to actuating mechanism 2 rotates and is connected with pivot 65, and the tip of pivot 65 extends to the outside of detecting bench 1, one side that two sliders 63 are close to mutually all the rigid coupling has stay cord 66, and the bottom of stay cord 66 all is with pivot 65 rigid coupling, square groove 67 has been seted up to the pivot 65 side, sliding connection has square bar 690 in square groove 67. One end of the square bar 690 positioned in the square groove 67 is fixedly connected with a third spring 9, the other end of the third spring 9 is fixedly connected with the inner side of the square groove 67, and after the adjustment is finished, the square bar 690 is loosened, and the square bar 690 automatically slides into the square groove 67. The side of the detection table 1 is fixedly connected with a fixed ring 68, the inner side of the fixed ring 68 is fixedly connected with a group of first clamping strips 69, the outer side of the square rod 690 is fixedly connected with a group of connecting rods 691, the end parts of the connecting rods 691 are fixedly connected with circular rings 692, and the outer sides of the circular rings 692 are fixedly connected with a group of second clamping strips 693. One end of the square bar 690 outside the square groove 67 is fixedly connected with a rotating rod 12, the outer side of the rotating rod 12 is fixedly connected with a sponge sleeve 13, the rotating rod 12 is convenient for rotating the square bar 690, and the sponge sleeve 13 improves the use comfort.

During operation, according to the size of waiting to detect work piece 4 to the interval between fixed establishment 5 is adjusted, outside pulling square bar 690, square bar 690 passes through connecting rod 691 and drives ring 692 and move outward, ring 692 drives No. two card bars 693 and breaks away from card bar 69 No. one, rotate square bar 690 this moment, square bar 690 passes through square groove 67 and drives pivot 65 rotation, pivot 65 pivoted in-process, stay cord 66 can twine on pivot 65 gradually, or lax gradually, slider 63 is close to each other or keep away from this moment, two fixed establishment 5 are close to each other or keep away from each other, know when adjusting to suitable interval, slide square bar 690 to square groove 67 in, card bar 693 looks card again with card bar 69 No. one, realize the fixed after adjusting fixed establishment 5 this moment, and then this structure is through outwards pulling square bar 690, and turn round bar 690, make it drive pivot 65 rotate, stay cord 66 can wind on pivot 65 gradually, or loosen gradually, can control two fixed establishment 5 and be close to each other or keep away from each other this moment, after adjusting to suitable distance, again with square bar 690 to the interior slip No. two card bars 693, make card bar 69 suitable for the fixed range is suitable for being difficult to realize, thereby fixed in the fixed range is suitable for the work piece is little to be suitable for in the fixed to the fixed establishment after the side has been used to be difficult to change.

Working principle: during operation, according to the size of waiting to detect work piece 4 to the interval between fixed establishment 5 is adjusted, outside pulling square bar 690, square bar 690 passes through connecting rod 691 and drives ring 692 and move outward, ring 692 drives No. two card bars 693 and breaks away from card bar 69 No. one, rotate square bar 690 this moment, square bar 690 passes through square groove 67 and drives pivot 65 rotation, pivot 65 pivoted in-process, stay cord 66 can twine on pivot 65 gradually, or lax gradually, slider 63 is close to each other or keep away from this moment, two fixed establishment 5 are close to each other or keep away from each other, know when adjusting to suitable interval, slide square bar 690 to square groove 67 in, card bar 693 looks card again with card bar 69 No. one, realize the fixed after adjusting fixed establishment 5 this moment, and then this structure is through outwards pulling square bar 690, and turn round bar 690, make it drive pivot 65 rotate, stay cord 66 can wind on pivot 65 gradually, or loosen gradually, can control two fixed establishment 5 and be close to each other or keep away from each other this moment, after adjusting to suitable distance, again with square bar 690 to the interior slip No. two card bars 693, make card bar 69 suitable for the fixed range is suitable for being difficult to realize, thereby fixed in the fixed range is suitable for the work piece is little to be suitable for in the fixed to the fixed establishment after the side has been used to be difficult to change.

The workpiece 4 is placed on the detection table 1, the driving mechanism 2 can drive the near-field probe 3 to realize detection of any position, any track and any speed in the upper part of the workpiece 4, then the U-shaped rod 54 is pressed downwards, one end of the U-shaped rod 54 extrudes the first spring 53, the other end moves downwards, meanwhile, the middle part of the U-shaped rod 54 drives the hinged plate 57 to move downwards, the hinged plate 57 drives the sliding rod 59 to slide downwards in the inclined rail 55, when the sliding rod 57 slides to the lowest end, under the action of gravity, the hinged plate 57 is in a vertical state, at the moment, the sliding rod 59 automatically enters the transverse rail 56, the bottom end of the U-shaped rod 54 tightly extrudes and fixes the workpiece 4, when the workpiece 4 needs to be taken out, the U-shaped rod 54 is lightly stirred to one side of the inclined rail 55, the U-shaped rod 54 is driven by the arc-shaped rod 58, the hinged plate 57 drives the sliding rod 59 to enter the inclined rail 55, the U-shaped rod 54 can move upwards rapidly under the action of the first spring 53, at the moment, the workpiece 4 can be taken down, the device further, the device can realize the detection of the sliding rod 54 through pressing the U-shaped rod 54 to drive the inclined rod 59 to slide the inclined rail 55 to be in the vertical state, the vertical state is in the vertical state, the sliding rod 59 is stopped, the phenomenon can be avoided, the phenomenon is realized, the situation that the workpiece 4 is not is tightly extruded and the sliding rod 4 is tightly, and the workpiece 4 is fixed in the vertical state, and the position is reversely, and the situation is fixed, and the position is not in the vertical state, and the vertical state is kept, and the position is kept, when the sliding rod is fixed, and the sliding rod 4 is required to be tightly is moved, and is moved in the opposite to the position, and is moved to the position and is moved.

The driving mechanism 2 may adopt a four-axis mechanical arm structure, and in particular, refer to EMC near-field electromagnetic field detection equipment of application number CN 202021806740.1.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

EMC near field electromagnetic field detection equipment, including detecting platform (1), its characterized in that: the top of the detection table (1) is provided with a driving mechanism (2), the end part of the driving mechanism (2) is fixedly connected with a near-field probe (3), the top of the detection table (1) is provided with a workpiece (4), the top of the detection table (1) is provided with a fixing mechanism (5), and the inside of the detection table (1) is provided with an adjusting mechanism (6);

the utility model discloses a fixed establishment, including establishing straight piece (51) on test bench (1) top both sides, circular slot (52) have all been seted up on the top of straight piece (51), the bottom of circular slot (52) all rigid coupling has spring (53), the top of spring (53) all rigid coupling has U-shaped pole (54), and the other end of U-shaped pole (54) is located the outside of circular slot (52), two inclined rail (55) have all been seted up on one side that straight piece (51) are close to mutually, transverse rail (56) have all been seted up to the bottom of inclined rail (55), hinged plate (57) have been articulated on the inboard top of U-shaped pole (54), the top rigid coupling of U-shaped pole (54) has arc pole (58), one side that articulated plate (57) are close to straight piece (51) all rigid coupling has slide bar (59).
2. EMC near-field electromagnetic field detection apparatus according to claim 1, characterized in that: the regulating mechanism (6) comprises an inner cavity (60) arranged inside the detection table (1), sliding holes (61) are formed in two sides of the top end of the inner cavity (60), limiting rods (62) are fixedly connected between two ends of the sliding holes (61), sliding blocks (63) are fixedly connected to the outer sides of the limiting rods (62), square grooves (67) are respectively sleeved on the outer sides of the limiting rods (62), two ends of the second springs (64) are fixedly connected with the sliding blocks (63) and the side walls of the sliding holes (61) respectively, one side, close to the driving mechanism (2), of the inner cavity (60) is rotatably connected with a rotating shaft (65), the end parts of the rotating shaft (65) extend to the outer parts of the detection table (1), pull ropes (66) are fixedly connected to one side, close to the two sliding blocks (63), the bottom ends of the pull ropes (66) are fixedly connected with the rotating shaft (65), square grooves (67) are formed in the side surfaces of the rotating shafts (65), square rods (690) are respectively connected in a sliding mode, the side surfaces of the detection table (1) are fixedly connected with side surfaces of the sliding rings (63), one end part (68) is fixedly connected with one end part of the other end part of the connecting rod (691), a group of second clamping strips (693) are fixedly connected to the outer side of the circular ring (692).
3. EMC near-field electromagnetic field detection apparatus according to claim 1, characterized in that: the front side of the detection table (1) is fixedly connected with a spectrum analyzer (7), and the spectrum analyzer (7) is electrically connected with the near-field probe (3).
4. EMC near-field electromagnetic field detection apparatus according to claim 1, characterized in that: the bottom ends of the U-shaped rods (54) positioned on one side outside the circular grooves (52) are respectively connected with a ball (8) in a rotating mode, and the bottom ends of the balls (8) are respectively contacted with the top ends of the workpieces (4).
5. EMC near-field electromagnetic field detection apparatus according to claim 2, characterized in that: one end of the square rod (690) positioned in the square groove (67) is fixedly connected with a third spring (9), and the other end of the third spring (9) is fixedly connected with the inner side of the square groove (67).
6. EMC near-field electromagnetic field detection apparatus according to claim 1, characterized in that: support legs (10) are fixedly connected to two sides of the bottom end of the detection table (1), and the driving mechanism (2) is connected with the detection table (1) through a set of bolts (11).
7. EMC near-field electromagnetic field detection apparatus according to claim 2, characterized in that: one end of the square rod (690) positioned outside the square groove (67) is fixedly connected with a rotating rod (12), and the outer side of the rotating rod (12) is fixedly connected with a sponge sleeve (13).