CN106707036B - Alternating current magnetic field detection table - Google Patents
Alternating current magnetic field detection table Download PDFInfo
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- CN106707036B CN106707036B CN201611224264.0A CN201611224264A CN106707036B CN 106707036 B CN106707036 B CN 106707036B CN 201611224264 A CN201611224264 A CN 201611224264A CN 106707036 B CN106707036 B CN 106707036B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
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Abstract
The invention relates to an alternating current magnetic field detection table, which comprises a base (1), a detector platform (2) and a tested device platform (3), wherein the detector platform (2) is connected with the base (1) in a sliding mode in the horizontal direction, the tested device platform (3) is fixed on the base (1), the tested device platform (3) is arranged in the sliding direction of the detector platform (2), the detector platform (2) comprises a supporting rod (21) and a detector bearing table (22), the detector bearing table (22) is connected with the supporting rod (21) in a sliding mode in the vertical direction, the tested device platform (3) comprises a tested device support (31), a dial (32) and a tested device turntable (33) which are sequentially arranged from bottom to top, the dial (32) is fixed on the tested device support (31), and the tested device turntable (33) is rotationally connected with the tested device support (31). Compared with the prior art, the invention has the advantages of high reliability, high efficiency, convenient operation and the like of the detection result.
Description
Technical Field
The invention belongs to the technical field of inspection, detection and authentication, and particularly relates to an alternating current magnetic field detection table.
Background
With the improvement of the living standard of people, various household electrical appliances enter thousands of households, and accordingly the electromagnetic radiation of the household electrical appliances has increasingly serious influence on human health. With the update of technical revolution and the continuous discovery of new applications in different wave bands, various household electrical appliances enter thousands of households, and accordingly electromagnetic radiation of the household electrical appliances has increasingly serious influence on human health, every person in life is exposed to a composite electromagnetic field (EMF) with the frequency of 0-300GHz, and electromagnetic pollution has become one of the most widespread environmental influence factors. In this case, the european union promulgates electromagnetic field standards (electromagnetic field abbreviated EMF) aimed at establishing a rational method for evaluating the electromagnetic field in the space around the home appliances, protecting the central nervous system tissues of the head and trunk of the human body exposed therein, and reducing the influence thereof on the human body.
The detection item is used as a detector by a magnetic field sensor with a certain measurement area, wherein the sensor comprises three concentric coils which are perpendicular to each other, and the detection is carried out on the detected device for a certain time at a certain distance (for example, 30 cm) from the specific surface of the detected device. At present, in the detection process, after the device to be detected is placed, the tripod and the like are used for fixing and adjusting the position of the magnetic field sensor to detect, the adjustment of the detection distance and the relative position of the magnetic field sensor is time-consuming and labor-consuming, the accuracy is low, the reliability of the final detection result is low, the insulating performance of a bracket (such as the tripod and the rack) for fixing the magnetic field sensor and the device to be detected is not guaranteed, and the reliability of the detection result is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the alternating current magnetic field detection table which is high in reliability, high in efficiency and convenient to operate.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides an alternating current magnetic field detects platform, includes the base, with the base on horizontal direction sliding connection's detector platform and the equipment platform that is surveyed of fixing on the base, the equipment platform that is surveyed set up on the slip direction of detector platform, base, detector platform and equipment platform that is surveyed be insulating material, detector platform include bracing piece and detector plummer, detector plummer and bracing piece sliding connection in vertical direction, equipment platform that is surveyed include from lower supreme equipment support, calibrated scale and the equipment revolving stage that is surveyed that sets gradually that is surveyed, the calibrated scale fix on the equipment support that is surveyed, the equipment revolving stage that is surveyed rotates with the equipment support that is surveyed and is connected.
As the preferable technical scheme, the base comprises a bottom plate and a horizontal synchronous belt arranged on the bottom plate, a damper for increasing the rotation damping of the synchronous wheel is arranged between the synchronous wheel of the horizontal synchronous belt and the bottom plate, and the detector platform is fixedly connected with the upper belt surface of the horizontal synchronous belt and is in sliding connection with the bottom plate.
As the preferable technical scheme, the bracing piece on be equipped with slide rail and vertical hold-in range along vertical direction, be equipped with the attenuator that is used for increasing synchronizing wheel rotation damping between the synchronizing wheel of vertical hold-in range and the bracing piece, the slide rail on be equipped with the slider, detector plummer and slider fixed connection to with the area face fixed connection of vertical hold-in range one side.
As an optimal technical scheme, a damper arranged between the synchronous wheel of the vertical synchronous belt and the supporting rod is a damping bearing.
As an optimal technical scheme, a synchronous wheel rotating handle is arranged on one synchronous wheel of the vertical synchronous belt.
As an optimal technical scheme, the dial is disc-shaped, and scale marks uniformly distributed around the circumference of the dial are arranged at the edge of the upper surface and used for displaying the rotating angle of the turntable of the tested equipment.
As the preferable technical scheme, the tested equipment turntable comprises a first turntable, a second turntable and a third turntable which are sequentially arranged from bottom to top, the first turntable is rotationally connected with the tested equipment bracket through a rotating shaft, the second turntable is in sliding connection with the first turntable through a turntable sliding rail and a sliding driving mechanism which are arranged on the upper surface of the first turntable, the third turntable is in sliding connection with the second turntable through a turntable sliding rail and a sliding driving mechanism which are arranged on the upper surface of the second turntable, and the turntable sliding rail on the first turntable is perpendicular to the turntable sliding rail on the second turntable.
As an optimal technical scheme, the sliding driving mechanism is a screw mechanism and is connected with a screw rotating handle.
As the preferable technical scheme, the detection table further comprises a detection instrument limiting block arranged on the detection instrument bearing table, wherein the detection instrument limiting block is in a cuboid column shape, a straight line where the length direction is located is parallel to a straight line where the horizontal synchronous belt driving direction is located, one side face of the detection instrument limiting block is fixedly connected with the detection instrument bearing table, and the other side face adjacent to the side face is used as a positioning face to be in contact connection with the side face of the detection instrument during detection to position the detection instrument.
The working principle of the invention is as follows:
the method comprises the steps of placing the tested equipment on a tested equipment turntable of a tested equipment platform, enabling the position of the tested equipment to be located in the center of a dial through a fine adjustment sliding driving mechanism, placing a detector on a detector bearing table, enabling a detected surface of the tested equipment to face the detector through rotation of the tested equipment turntable, adjusting the distance between the detector and the tested equipment through sliding the detector platform on a base, adjusting the height of the detector bearing table through sliding the detector bearing table in the vertical direction of a supporting rod, ensuring the consistency of the heights of the detector and the tested equipment through a beam of horizontal laser, and detecting after the position relation between the detector and the tested equipment is adjusted.
The base, the detector platform and the tested equipment platform are all made of insulating materials (such as bakelite and the like), so that the interference of the detection platform on the detection result can be avoided. The sliding is stable and reliable through the synchronous belt and the sliding rail and through the damper for increasing the rotation damping of the synchronous wheel, and the sliding is not easy to shift under the condition of false touch once the sliding is in place. Further, the damper arranged between the synchronous wheel and the support rod of the vertical synchronous belt adopts a damping bearing, and the damping bearing with proper resistance is selected for use, so that the detector bearing table can not move once sliding in place in the vertical direction, and the time and labor are saved and the adjustment is convenient. The sliding rail, the synchronous belt and other parts of the invention are all made of insulating materials, so that the interference to the detection result in the detection process is prevented.
The tested equipment and the detector are conveniently aligned through the special structural design of the tested equipment turntable.
Compared with the prior art, the invention has the advantages of high reliability, high efficiency, convenient operation and the like of the detection result.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic diagram of a front view of the dial of the present invention.
In the figure, 1 is a base, 11 is a bottom plate, 12 is a horizontal synchronous belt, 2 is a detector platform, 21 is a supporting rod, 22 is a detector bearing table, 23 is a vertical conveying belt, 24 is a sliding block, 25 is a synchronous wheel rotating handle, 26 is a detector limiting block, 3 is a detected device platform, 31 is a detected device bracket, 32 is a dial, 321 is a scale mark, 33 is a detected device turntable, 331 is a first turntable, 332 is a second turntable, 333 is a third turntable, 334 is a turntable sliding rail, 335 is a sliding driving mechanism, and 336 is a lead screw rotating handle.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples.
Example 1
An alternating current magnetic field detection table is shown in fig. 1, and comprises a base 1, a detector platform 2 and a detected device platform 3, wherein the detector platform 2 is in sliding connection with the base 1 in the horizontal direction, the detected device platform 3 is fixed on the base 1, the detected device platform 3 is arranged in the sliding direction of the detector platform 2, the base 1, the detector platform 2 and the detected device platform 3 are all made of insulating materials, the detector platform 2 comprises a supporting rod 21 and a detector bearing table 22, the detector bearing table 22 is in sliding connection with the supporting rod 21 in the vertical direction, the detected device platform 3 comprises a detected device support 31, a dial 32 and a detected device turntable 33, the detected device support 31 is sequentially arranged from bottom to top, the dial 32 is fixed on the detected device support 31, and the detected device turntable 33 is in rotary connection with the detected device support 31.
The base comprises a bottom plate 11 and a horizontal synchronous belt 12 arranged on the bottom plate 11, a damper for increasing rotation damping of the synchronous wheel is arranged between the synchronous wheel of the horizontal synchronous belt 12 and the bottom plate 11, and the detector platform 2 is fixedly connected with the upper belt surface of the horizontal synchronous belt 12 and is in sliding connection with the bottom plate 11.
Be equipped with slide rail and vertical hold-in range 23 along vertical direction on the bracing piece 21 of detector platform 2, be equipped with the attenuator that is used for increasing synchronizing wheel rotation damping between the synchronizing wheel of vertical hold-in range 23 and the bracing piece 21, this attenuator this embodiment adopts damping bearing, conveniently stops the detector on arbitrary height, is equipped with slider 24 on the slide rail, detector plummer 22 and slider 24 fixed connection to with the area face fixed connection of vertical hold-in range 23 one side, be equipped with synchronizing wheel twist grip 25 on one synchronizing wheel of vertical hold-in range 23. The detector plummer 22 is further provided with a detector limiting block 26, the detector limiting block 26 is in a cuboid column shape, a straight line where the length direction is located is parallel to a straight line where the transmission direction of the horizontal synchronous belt 12 is located, one side face of the detector limiting block 26 is fixedly connected with the detector plummer 22, and the other side face adjacent to the side face is used as a positioning face to be in contact connection with the side face of the detector during detection so as to position the detector.
The scale plate 32 of the tested device platform 3 is disc-shaped, and scale marks 321 (shown in fig. 2) uniformly distributed around the circumference of the upper surface edge are arranged at the edge of the upper surface and used for displaying the rotation angle of the tested device turntable 33. The tested device turntable 33 includes a first turntable 331, a second turntable 332 and a third turntable 333 which are sequentially arranged from bottom to top, the first turntable 331 is rotationally connected with the tested device bracket 31 through a rotating shaft, the second turntable 332 is slidably connected with the first turntable 331 through a turntable sliding rail 334 and a sliding driving mechanism 335 which are arranged on the upper surface of the first turntable 331, the third turntable 333 is slidably connected with the second turntable 332 through a turntable sliding rail 334 and a sliding driving mechanism 335 which are arranged on the upper surface of the second turntable 332, and the turntable sliding rail 334 on the first turntable 331 is perpendicular to the turntable sliding rail 334 on the second turntable 332. The sliding drive mechanism 335 is selected to be a screw mechanism, and a screw rotating handle 336 is connected thereto.
In detection, a device to be detected (in this embodiment, a display is used as a cross mark at the center of the display) is placed on a turntable of the device to be detected, the position of the device to be detected is located at the center of a dial by fine adjustment of a sliding driving mechanism, a detector is placed on a bearing table of the detector, the detected surface of the device to be detected is opposite to the detector by rotating the turntable of the device to be detected, the distance between the detector and the device to be detected is regulated by sliding the platform of the detector on a base, the height of the bearing table of the detector is regulated by sliding the bearing table of the detector in the vertical direction of a supporting rod, the consistency of the heights of the detector and the device to be detected is ensured by a beam of horizontal laser (the horizontal laser is supposed to be on a tripod, the horizontal laser can be ensured to pass through the center of a detecting head of the detector and the center of the cross mark at the same time, after the heights are regulated, the tripod and the laser ruler are prevented from being fallen to influence on the detection results), and detection is performed after the position relation between the detector and the device to be detected is regulated.
Claims (7)
1. The alternating current magnetic field detection table is characterized by comprising a base (1), a detector platform (2) which is in sliding connection with the base (1) in the horizontal direction and a detected equipment platform (3) which is fixed on the base (1), wherein the detected equipment platform (3) is arranged in the sliding direction of the detector platform (2), the base (1), the detector platform (2) and the detected equipment platform (3) are all made of insulating materials, the detector platform (2) comprises a supporting rod (21) and a detector bearing table (22), the detector bearing table (22) is in sliding connection with the supporting rod (21) in the vertical direction, the detected equipment platform (3) comprises a detected equipment bracket (31), a dial (32) and a detected equipment turntable (33) which are sequentially arranged from bottom to top, the dial (32) is fixed on the detected equipment bracket (31), and the detected equipment turntable (33) is rotationally connected with the detected equipment bracket (31);
the tested equipment turntable (33) comprises a first turntable (331), a second turntable (332) and a third turntable (333) which are sequentially arranged from bottom to top, the first turntable (331) is rotationally connected with the tested equipment bracket (31) through a rotating shaft, the second turntable (332) is in sliding connection with the first turntable (331) through a turntable sliding rail (334) and a sliding driving mechanism (335) which are arranged on the upper surface of the first turntable (331), the third turntable (333) is in sliding connection with the second turntable (332) through a turntable sliding rail (334) and a sliding driving mechanism (335) which are arranged on the upper surface of the second turntable (332), and the turntable sliding rail (334) on the first turntable (331) is perpendicular to the turntable sliding rail (334) on the second turntable (332);
the detection table further comprises a detector limiting block (26) arranged on the detector bearing table (22), the detector limiting block (26) is in a cuboid column shape, a straight line in which the length direction is located is parallel to a straight line in which the transmission direction of the horizontal synchronous belt (12) is located, one side face of the detector limiting block (26) is fixedly connected with the detector bearing table (22), and the other side face adjacent to the side face is used as a positioning face to be in contact connection with the side face of the detector during detection so as to position the detector.
2. An ac electromagnetic field detecting table according to claim 1, characterized in that the base comprises a base plate (11) and a horizontal synchronous belt (12) arranged on the base plate (11), a damper for increasing the rotation damping of the synchronous wheel is arranged between the synchronous wheel of the horizontal synchronous belt (12) and the base plate (11), and the detector platform (2) is fixedly connected with the upper belt surface of the horizontal synchronous belt (12) and is in sliding connection with the base plate (11).
3. The alternating current magnetic field detection table according to claim 1, wherein the support rod (21) is provided with a slide rail and a vertical synchronous belt (23) along the vertical direction, a damper for increasing the rotation damping of the synchronous wheel is arranged between the synchronous wheel of the vertical synchronous belt (23) and the support rod (21), the slide rail is provided with a slide block (24), and the detector bearing table (22) is fixedly connected with the slide block (24) and is fixedly connected with a belt surface on one side of the vertical synchronous belt (23).
4. An ac electromagnetic field detection table according to claim 3, characterized in that the damper provided between the synchronizing wheel of the vertical synchronizing belt (23) and the support bar (21) is a damping bearing.
5. An ac electromagnetic field detection table according to claim 3, characterized in that a synchronizing wheel of the vertical synchronizing belt (23) is provided with a synchronizing wheel turning handle (25).
6. An ac electromagnetic field detecting table according to claim 1, characterized in that the dial (32) is disc-shaped, and the upper surface edge is provided with graduation marks (321) uniformly arranged around the circumference thereof for displaying the rotation angle of the turntable (33) of the device under test.
7. An ac electromagnetic field detection stand according to claim 1, wherein the slide driving mechanism (335) is a screw mechanism and is connected to a screw rotating handle (336).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224264.0A CN106707036B (en) | 2016-12-27 | 2016-12-27 | Alternating current magnetic field detection table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224264.0A CN106707036B (en) | 2016-12-27 | 2016-12-27 | Alternating current magnetic field detection table |
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| Publication Number | Publication Date |
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| CN106707036A CN106707036A (en) | 2017-05-24 |
| CN106707036B true CN106707036B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611224264.0A Active CN106707036B (en) | 2016-12-27 | 2016-12-27 | Alternating current magnetic field detection table |
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| CN113960509B (en) * | 2021-10-27 | 2023-06-20 | 福建船政交通职业学院 | Permanent magnet synchronous motor rotor surface magnetic field detection tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103900509A (en) * | 2014-01-23 | 2014-07-02 | 河海大学常州校区 | Device capable of achieving multidirectional detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008286723A (en) * | 2007-05-21 | 2008-11-27 | Ims:Kk | Magnetic measurement device and technique |
| CN203688746U (en) * | 2013-07-17 | 2014-07-02 | 深圳市则成电子工业有限公司 | Magnetic field simulation automatic testing machine |
| CN106249179A (en) * | 2016-08-20 | 2016-12-21 | 湖南科技大学 | Automatically multiple degrees of freedom measurement of magnetic field laboratory table |
| CN206348394U (en) * | 2016-12-27 | 2017-07-21 | 莱茵技术（上海）有限公司 | A kind of alternating current field measurement platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103900509A (en) * | 2014-01-23 | 2014-07-02 | 河海大学常州校区 | Device capable of achieving multidirectional detection |
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