CN215728454U - Electromagnetic field radiation testing device - Google Patents
Electromagnetic field radiation testing device Download PDFInfo
- Publication number
- CN215728454U CN215728454U CN202121236876.8U CN202121236876U CN215728454U CN 215728454 U CN215728454 U CN 215728454U CN 202121236876 U CN202121236876 U CN 202121236876U CN 215728454 U CN215728454 U CN 215728454U
- Authority
- CN
- China
- Prior art keywords
- test
- electromagnetic field
- test equipment
- field radiation
- bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses an electromagnetic field radiation testing device, comprising: the device comprises a test bracket, a test equipment bracket, a height adjusting device and a buckling device; the test equipment bracket is arranged on the test support; the height adjusting device is used for adjusting the height of the test support and driving the test equipment bracket to be adjusted in height; the buckling device is used for fixing the height of the test bracket to a specified height; the test equipment is placed on the test equipment bracket and used for measuring the electromagnetic field radiation intensity of the electromagnetic field radiation device to be tested placed on the fixed platform. The problem of among the prior art electromagnetic field radiation test process, by the handheld magnetic field exposure appearance of tester test, the accuracy of test distance is difficult to guarantee, leads to the electromagnetic field radiation test result to have the deviation is solved, reduced the deviation that manual operation leads to the electromagnetic field radiation test.
Description
Technical Field
The utility model relates to the technical field of electromagnetic field testing, in particular to an electromagnetic field radiation testing device.
Background
With the recent technological revolution and the continued discovery of new applications of different wave bands, the exposure level of Electromagnetic radiation (EMF) of many frequencies is significantly increased, everyone in life is exposed to a complex Electromagnetic field (EMF) of 0-300GHz frequency, and Electromagnetic pollution has become one of the most widespread environmental influences. The main sources of electromagnetic pollution include: various household appliances; a power transmission and transformation system; transportation systems, telecommunications facilities and portable communication means such as mobile telephones; medical, commercial and industrial equipment; a radar; radio and television station transmitting antennas, etc.
As concerns over various health problems arising from exposure to electromagnetic fields (EMF) have increased, world health organizations have set up international electromagnetic radiation programs to seek solutions to the problems. Due to the different understanding of the health hazards posed by electromagnetic radiation, the standards of electromagnetic radiation specified in different countries vary greatly. The countries such as Russia, China, Italy and Belgium consider the influence of electromagnetic radiation on the nerve effect of human body under the specified standard, the standard is more strict, and the countries such as the United states, Australia and Germany adopt the recommended standard of the International non-ionization society when the standard is established, do not consider the influence of electromagnetic radiation on the nerve effect of human body, only consider the heat effect of the specific research result, and the standard is more loose.
For household appliances, which are one of the sources of electromagnetic pollution, the method for measuring the exposure of the electromagnetic field of the household appliance to the human body is now performed according to the standard IEC62233, and national standards about the method for measuring the exposure of the electromagnetic field of the household appliance to the human body are about to be released. The purpose is to protect the central nervous system tissues of the head and the trunk of a human body exposed to an electromagnetic field and reduce the adverse effects on the human body.
The electromagnetic field of household appliances is specified in the standards of human exposure test method, and the measurement distance is determined according to the expected position of a user during normal use, and the purpose of the measurement distance is to protect the central nervous system tissues of the head and the trunk of a human body from being affected. Other measurement distances and sensor locations may be suitable for electromagnetic field exposure of the extremities. The existing testing device is tested by a tester holding a magnetic field exposure instrument, as shown in fig. 1, but due to manual operation, the accuracy of r1 (representing the testing distance) is difficult to guarantee, and the testing result has deviation.
Aiming at the problem that in the prior art, in the electromagnetic field radiation test process, a tester holds a magnetic field exposure instrument for testing, the accuracy of the test distance is difficult to guarantee, so that the electromagnetic field radiation test result has deviation, an effective solution is not provided.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides an electromagnetic field radiation testing apparatus, so as to solve the problem that in the electromagnetic field radiation testing process in the prior art, a tester holds a magnetic field exposure instrument for testing, and the accuracy of a testing distance is difficult to be ensured, so that an electromagnetic field radiation testing result has a deviation.
Therefore, the embodiment of the utility model provides the following technical scheme:
the utility model provides an electromagnetic field radiation testing device, comprising:
the device comprises a test bracket, a test equipment bracket, a height adjusting device and a buckling device;
wherein the test equipment bracket is arranged on the test support; the height adjusting device is used for adjusting the height of the test support and driving the test equipment bracket to be adjusted in height; the buckling device is used for fixing the height of the test bracket to a specified height; the test equipment is placed on the test equipment bracket and used for measuring the electromagnetic field radiation intensity of the electromagnetic field radiation device to be tested placed on the fixed platform.
Optionally, the test support comprises a base, a cylindrical part and a lifting part, the lifting part is movably inserted into the cylindrical part, and a rack is arranged in the vertical direction of the lifting part; the cylindrical part is arranged above the base;
the height adjusting device comprises a gear and a rotating handle, and is mounted on the cylindrical part; the cylindrical part is provided with a first hollow part, and a gear of the height adjusting device is matched with a rack of the cylindrical part through the first hollow part; and rotating the rotating handle to control the depth of the lifting part inserted into the cylindrical part and adjusting the height of the test support.
Optionally, the test support comprises a base, a cylindrical portion and a lifting portion, the lifting portion is movably inserted into the cylindrical portion, the cylindrical portion is arranged above the base, and a plurality of grooves are arranged in the lifting portion in the vertical direction; the cylindrical part is provided with a second hollow part; the buckle device comprises a connecting part and a bolt, the structure of the connecting part is matched with the structure of the cylindrical part and is fixedly connected with the cylindrical part, the connecting part is provided with a through hole, and the bolt can be inserted into the groove through the through hole.
Optionally, the test equipment carrier is mounted to the lifting portion, the test equipment carrier including a first stage and one or more stretchable clamping devices disposed on both sides of the first stage.
Optionally, the test equipment bracket is movably connected with the lifting part, and the test equipment bracket comprises a second object stage, guardrail parts arranged on two sides of the second object stage, and a sliding block; the sliding block is connected with the guardrail component in a sliding manner; the length of the test equipment bracket is greater than the preset length, the test equipment bracket is arranged in parallel with the test support in a first movable connection mode, the test equipment bracket is arranged perpendicular to the test support in a second movable connection mode, and the relative position of the test equipment bracket and the test support is fixed through a limiting device; when the test equipment bracket is vertically arranged with the test support through the second movable connection mode, the test equipment is placed on the test equipment bracket, and the slide block pushes the test equipment to move in the horizontal direction.
Optionally, a display device is also included; the display device is connected with the test equipment and is used for displaying the numerical value of the radiation intensity of the tested electromagnetic field; and/or the presence of a gas in the gas,
the display device further comprises a processor, wherein the processor is used for calculating the ratio of the numerical value of the electromagnetic field radiation intensity to the numerical value of the standard electromagnetic field radiation intensity, and displaying the numerical value of the electromagnetic field radiation intensity by using a corresponding color according to the ratio.
Optionally, the cylindrical part is of a rectangular column structure, and the lifting part is of a rectangular column structure; the rack of tube-shape portion set up in the first side of the rectangular column structure of tube-shape portion, a plurality of recesses of lift portion set up in with the second side that first side is adjacent, the test equipment bracket install in with the third side that first side is relative.
Optionally, the fixed platform for placing the electromagnetic field radiation device to be tested comprises a table plate and at least three table legs for supporting the table plate; the bottom of the table legs is provided with universal wheels.
The technical scheme of the embodiment of the utility model has the following advantages:
the embodiment of the utility model provides an electromagnetic field radiation testing device, which comprises: the device comprises a test bracket, a test equipment bracket, a height adjusting device and a buckling device; the test equipment bracket is arranged on the test support; the height adjusting device is used for adjusting the height of the test support and driving the test equipment bracket to be adjusted in height; the buckling device is used for fixing the height of the test bracket to a specified height; the test equipment is placed on the test equipment bracket and used for measuring the electromagnetic field radiation intensity of the electromagnetic field radiation device to be tested placed on the fixed platform. The problem of among the prior art electromagnetic field radiation test process, by the handheld magnetic field exposure appearance of tester test, the accuracy of test distance is difficult to guarantee, leads to the electromagnetic field radiation test result to have the deviation is solved, reduced the deviation that manual operation leads to the electromagnetic field radiation test.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a prior art hand-held sensor test electromagnetic field radiation movement profile diagram;
FIG. 2 is a schematic diagram of an electromagnetic field radiation testing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a stationary platform according to an embodiment of the present invention;
FIG. 4 is another schematic diagram of an electromagnetic field radiation testing apparatus according to an embodiment of the present invention;
FIG. 5 is a graph illustrating the results of an electromagnetic field radiation test according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In this embodiment, an electromagnetic field radiation testing apparatus is provided, which can be used for performing an electromagnetic field radiation test on a household appliance such as a microwave oven, a rice cooker, an oven, etc., fig. 2 is a schematic diagram of the electromagnetic field radiation testing apparatus according to an embodiment of the present invention, and as shown in fig. 2, the electromagnetic field radiation testing apparatus includes: the test device comprises a test support 1, a test equipment bracket 2, a height adjusting device 3 and a buckling device 4.
The testing equipment bracket 2 is arranged on the testing support 1, the height adjusting device 3 is used for adjusting the height of the testing support 1 and driving the testing equipment bracket 2 to be adjusted, so that the height of the electromagnetic field radiation device to be tested on the testing equipment bracket 2 can be adjusted, and the electromagnetic field radiation of each upper part and each lower part of each surface area of the household appliance can be tested.
The buckle device 4 is used for highly being fixed in appointed height with the test support 1, test equipment places on test equipment bracket 2, be used for measuring the electromagnetic field radiation intensity of the electromagnetic field radiation device that awaits measuring of placing on fixed platform, this fixed platform can be stable place await measuring the electromagnetic field radiation device can, in an optional embodiment, as shown in fig. 3, fixed platform includes the table, at least three table legs that are used for supporting the table, the bottom of table leg is provided with the universal wheel, for better steadily placing the electromagnetic field radiation device that awaits measuring, the upper surface of this table can be dull polish surface, thereby frictional force between the electromagnetic field radiation device that awaits measuring and the table has been increased. The universal wheels arranged at the bottoms of the desk legs are convenient for moving the desk.
Through the electromagnetic field radiation testing arrangement of above-mentioned embodiment can place test equipment stable in preset position, compare among the prior art for domestic appliance electromagnetic field radiation test all use hand-held type magnetic field to expose the tester and test, the tester is being close to utensil certain distance department hand-held magnetic field and exposing the magnetic flux density that the tester measured the magnetic field, the degree of accuracy of test distance is difficult to guarantee, lead to electromagnetic field radiation test result to have the deviation, this embodiment can accurate control test distance, human error in the testing process has been reduced, make the test more accurate.
The height of the test rack 1 can be adjusted in various ways, in an alternative embodiment, as shown in fig. 2, the test rack 1 includes a base 11, a cylindrical portion 12 and a lifting portion 13, the lifting portion 13 is movably inserted into the cylindrical portion 12, a rack is disposed in a vertical direction of the lifting portion 13, and the cylindrical portion 12 is disposed above the base 11. The structure of the cylindrical part 12 and the structure of the lifting part 13 adapted to the cylindrical part 12 can include various forms, in an alternative embodiment, the cylindrical part 12 can be a hollow rectangular column structure, the lifting part 13 can also be a rectangular column structure, and of course, the length/width of the lifting part 13 is smaller than that of the cylindrical part 12, so that the lifting part 13 can be movably inserted into the hollow cylindrical part 12. In another alternative embodiment, the cylindrical portion 12 may have a hollow cylindrical structure, and the elevating portion 13 may also have a cylindrical structure, and of course, the radius of the elevating portion 13 is smaller than that of the cylindrical portion 12, so that the elevating portion 13 can be movably inserted into the hollow cylindrical portion 12. In yet another alternative embodiment, the cylindrical portion 12 may have a hollow triangular prism structure, and the lifting portion 13 may also have a triangular prism structure, and of course, the length of the side of the lifting portion 13 is smaller than that of the cylindrical portion 12, so that the lifting portion 13 can be movably inserted into the hollow cylindrical portion 12.
In an alternative embodiment, the height adjusting device 3 comprises a gear 3 and a rotating handle 4, the height adjusting device 3 is mounted on the cylindrical portion 12, the cylindrical portion 12 is provided with a first hollow portion, the gear 3 of the height adjusting device 3 is matched with a rack of the cylindrical portion 12 through the first hollow portion, and the rotating handle 4 is rotated to control the depth of the lifting portion 13 inserted into the cylindrical portion 12, so that the height of the test rack 1 is adjusted. The height adjusting device 3 in the embodiment has a simple structure and is convenient to operate. Specifically, when the test starts, the device to be tested EUT is placed on the test table, the height of the test support is adjusted to be equal to the central position of the EUT, then the test device is started to conduct the test, the test device is shaken to uniformly rise to the position of 1 meter on the test table, the position of 1 meter on the test table is uniformly descended to the position of 0.5 meter below the test table, and the maximum disturbance point is recorded in the process.
The way that the fastening device 4 has a limiting effect on the height of the test support 1 can also include a plurality of ways, in an optional embodiment, as shown in fig. 2, the test support 1 includes a base 11, a cylindrical portion 12 and a lifting portion 13, the lifting portion 13 is movably inserted into the cylindrical portion 12, the cylindrical portion 12 is arranged above the base 11, a plurality of grooves are arranged in the vertical direction of the lifting portion 13, the cylindrical portion 12 is provided with a second hollow portion, the fastening device 4 includes a connecting portion and a bolt, the structure of the connecting portion is matched with the structure of the cylindrical portion 12 and is fixedly connected with the cylindrical portion 12, the connecting portion is provided with a through hole, the bolt can be inserted into the groove through the through hole, and then the lifting portion 13 is kept at a preset height through the bolt and the groove. Specifically, the shape of the groove may be rectangular, and the top of the corresponding bolt may be corresponding rectangular, or the shape of the groove may be circular, and the top of the corresponding bolt may be corresponding circular, etc.
When the cylindrical portion 12 has a hollow rectangular column structure and the elevating portion 13 has a rectangular column structure, as shown in fig. 2, the rack of the cylindrical portion 12 is provided on a first side surface of the rectangular column structure of the cylindrical portion 12, the plurality of grooves of the elevating portion 13 are provided on a second side surface adjacent to the first side surface, and the test device holder 2 is attached to a third side surface opposite to the first side surface.
In an alternative embodiment, the test equipment carrier 2 is mounted to the lift 13, the test equipment carrier 2 comprising a first stage and one or more tensile clamping devices disposed on either side of the first stage. The tensile clamping device can effectively fix the test equipment.
The electromagnetic field radiation testing device in the above embodiment can realize the movement of the testing equipment in the vertical direction, when the electromagnetic field radiation testing is performed on the household appliance, the testing equipment not only needs to be performed on the household appliance in the vertical direction, but also needs to be performed on the household appliance in the horizontal direction, therefore, in order to realize the movement of the testing equipment in the horizontal direction, in an optional embodiment, the testing equipment bracket 2 is movably connected with the lifting part 13, and the testing equipment bracket 2 comprises a second objective table, guardrail parts arranged on two sides of the second objective table, and a sliding block. The sliding block is connected with the guardrail part in a sliding way, for example, the sliding block is arranged between the inner sides of the guardrails at two sides, and the sliding of the sliding block drives the household appliance on the test equipment bracket 2 to move in the horizontal direction; or for example, the sliding block may have a structure shaped like a Chinese character 'ao', protrusions on two sides of the "ao" are slidably connected to the outer side of the guardrail member, specifically, a groove structure is disposed on the outer side of the guardrail member, a protrusion structure corresponding to the groove is disposed on the inner side of the protrusion on two sides of the sliding block, and the protrusion structure of the sliding block may slide along the groove structure of the guardrail, so as to drive the household appliance on the testing device bracket 2 to move in the horizontal direction.
In order to further improve the electromagnetic field radiation precision, in an alternative embodiment, the probe of the testing device can be directed at the household appliance, and the rest part of the testing device is shielded to reduce the electromagnetic interference, and in another alternative embodiment, a protective cover can be arranged on the household appliance, and only the part allowing the testing device to enter is reserved to further reduce the electromagnetic interference, so that the testing consistency and traceability are improved.
In order to allow the moving distance of the household appliance in the horizontal direction to cover the horizontal length of the household appliance, in an alternative embodiment, the length of the test device carrier 2 is greater than a preset length, which is at least the horizontal length of the household appliance.
In order to facilitate the accommodation of the electromagnetic field radiation testing apparatus, in an alternative embodiment, the testing device bracket 2 may be disposed in parallel with the testing stand 1 through the first movable connection manner, that is, the testing stand 1 and the testing device bracket 2 are both vertically disposed at this time. When using test equipment to carry out the electromagnetic field radiation test to domestic appliance, test equipment bracket 2 sets up with test support 1 is perpendicular through second swing joint mode to it is fixed with test equipment bracket 2 and test support 1's relative position through stop device, place test equipment on test equipment bracket 2, promote test equipment through the slider and remove at the horizontal direction, carry out the measurement on the horizontal direction to domestic appliance's electromagnetic field radiation.
In order to visually display the emphasis of the electromagnetic field radiation, the electromagnetic field radiation testing device further comprises a display device, the display device is connected with the testing equipment, in an optional embodiment, the display device can be used for displaying the numerical value of the tested electromagnetic field radiation intensity, in another optional embodiment, the display device further comprises a processor, the processor is used for calculating the ratio of the numerical value of the electromagnetic field radiation intensity to the numerical value of the standard electromagnetic field radiation intensity, and displaying the ratio by using corresponding colors according to the ratio, for example, the ratio is less than 1, which indicates that the electromagnetic radiation does not exceed the standard, green can be used for indicating that the electromagnetic radiation does not exceed the standard, and the ratio is greater than 1, which indicates that the electromagnetic radiation exceeds the standard, and red can be used for indicating; or a gradual change from green to red is used to represent the ratio, thereby realizing the visual display of the electromagnetic radiation. Specifically, as shown in fig. 4, the testing device includes three parts, namely an EUT testing device 41, a data processing and converting device 42 and a data display and recording device 43, wherein the three parts are connected by cables to transmit data, the EUT testing device 41 is an independent testing device and is used for testing the radiation value of human body exposed to the electromagnetic field of household and similar electric appliances, the input end of the data processing and converting device 42 is connected with a magnetic field exposure tester in the EUT testing device 41, and the output end of the data processing and converting device is connected with the data processing and displaying device 43 and has the function of converting the radiation data measured by the EUT testing device 41 into data which can be read by the data display and recording device. The data processing and display device 43 may include a display screen, a keyboard, and a mouse. The data processing and converting device 42 is provided with a remote controller to start and pause data recording at any time.
Compared with the prior art, the electromagnetic field radiation test for household appliances is carried out by using a handheld magnetic field exposure tester, a tester holds the handheld magnetic field exposure tester to measure the magnetic flux density of a magnetic field at a certain distance from an appliance, the magnetic field exposure tester displays the effective value of the effective value after correcting the effective value by a coupling factor, the tester directly reads the electromagnetic field radiation value from the handheld device, compares the electromagnetic field radiation value with a standard specified limit value after manual recording, and the tester holds the magnetic field exposure tester to test, observe and record data, so that the measurement and reading modes of the electromagnetic field radiation are not visual and simple, the radiation maximum value in the test process cannot be accurately recorded, the reading hysteresis and inaccuracy exist, the technical problem is effectively solved, the test result is visually presented, the radiation intensity is distinguished by different colors, and the method has strong popularization.
In a specific alternative embodiment, three parts as shown in fig. 4 are connected, the EUTs are classified according to the standard, the test state, the test direction and the test distance which should be provided by the EUTs are found in the standard according to the classification, and the magnetic field exposure tester in the applicable frequency band range is selected and clamped on the clamping part on the lifting part. And opening the magnetic field exposure tester, enabling the EUT to reach a test state, clicking a start button of the data display recording device, and preparing to start recording test data. And (3) slowly adjusting the gear part up and down to enable the magnetic field exposure tester to fully scan the radiation data in the row for about 1min, then pausing, horizontally moving the magnetic field exposure tester through the slider of the embodiment, or moving the lifting part left and right to scan the radiation data in the next row, pausing after about 1min, and moving the lifting rod left and right again to scan the radiation data in the next row until the test covers the whole area of the household appliance. The radiation value versus time curve for this surface is then derived, as shown in fig. 5. And moving the lifting part to the other testing direction, repeating the testing operation of each column until the test covers the whole area, ending the test, and deriving a curve of the radiation value of the area along with the time. The maximum radiation value of the area can be automatically calibrated by the change curve, and the maximum radiation value is derived to appear in the forms of icons and lists.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope defined by the appended claims.
Claims (8)
1. An electromagnetic field radiation testing apparatus, comprising:
the device comprises a test bracket, a test equipment bracket, a height adjusting device and a buckling device;
wherein the test equipment bracket is arranged on the test support; the height adjusting device is used for adjusting the height of the test support and driving the test equipment bracket to be adjusted in height; the buckling device is used for fixing the height of the test bracket to a specified height; the test equipment is placed on the test equipment bracket and used for measuring the electromagnetic field radiation intensity of the electromagnetic field radiation device to be tested placed on the fixed platform.
2. The electromagnetic field radiation testing device of claim 1, wherein the testing stand comprises a base, a cylindrical portion and a lifting portion, the lifting portion is movably inserted into the cylindrical portion, and a rack is arranged in a vertical direction of the lifting portion; the cylindrical part is arranged above the base;
the height adjusting device comprises a gear and a rotating handle, and is mounted on the cylindrical part; the cylindrical part is provided with a first hollow part, and a gear of the height adjusting device is matched with a rack of the cylindrical part through the first hollow part; and rotating the rotating handle to control the depth of the lifting part inserted into the cylindrical part and adjusting the height of the test support.
3. The electromagnetic field radiation testing device of claim 1, wherein the testing stand comprises a base, a cylindrical portion and a lifting portion, the lifting portion is movably inserted into the cylindrical portion, the cylindrical portion is disposed above the base, and a plurality of grooves are disposed in a vertical direction of the lifting portion; the cylindrical part is provided with a second hollow part; the buckle device comprises a connecting part and a bolt, the structure of the connecting part is matched with the structure of the cylindrical part and is fixedly connected with the cylindrical part, the connecting part is provided with a through hole, and the bolt can be inserted into the groove through the through hole.
4. An electromagnetic field radiation testing device according to any one of claims 2 or 3, wherein said test equipment carrier is mounted to said lifting portion, said test equipment carrier comprising a first stage and one or more tensile clamping devices disposed on either side of said first stage.
5. The electromagnetic field radiation testing device of any one of claims 2 or 3, wherein the test equipment carrier is movably connected with the lifting part, and the test equipment carrier comprises a second object stage, guardrail parts arranged on two sides of the second object stage, and a sliding block; the sliding block is connected with the guardrail component in a sliding manner; the length of the test equipment bracket is greater than the preset length, the test equipment bracket is arranged in parallel with the test support in a first movable connection mode, the test equipment bracket is arranged perpendicular to the test support in a second movable connection mode, and the relative position of the test equipment bracket and the test support is fixed through a limiting device; when the test equipment bracket is vertically arranged with the test support through the second movable connection mode, the test equipment is placed on the test equipment bracket, and the slide block pushes the test equipment to move in the horizontal direction.
6. An electromagnetic field radiation testing device according to any one of claims 2 or 3, further comprising a display device; the display device is connected with the test equipment and is used for displaying the numerical value of the radiation intensity of the tested electromagnetic field;
the display device further comprises a processor, wherein the processor is used for calculating the ratio of the numerical value of the electromagnetic field radiation intensity to the numerical value of the standard electromagnetic field radiation intensity, and displaying the numerical value of the electromagnetic field radiation intensity by using a corresponding color according to the ratio.
7. The electromagnetic field radiation testing device of claim 4, wherein the cylindrical portion is of a rectangular column configuration and the elevating portion is of a rectangular column configuration; the rack of tube-shape portion set up in the first side of the rectangular column structure of tube-shape portion, a plurality of recesses of lift portion set up in with the second side that first side is adjacent, the test equipment bracket install in with the third side that first side is relative.
8. An electromagnetic field radiation testing device as defined in any one of claims 1 to 3 wherein the fixed platform for placing the electromagnetic field radiation device to be tested comprises a table, at least three legs for supporting the table; the bottom of the table legs is provided with universal wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236876.8U CN215728454U (en) | 2021-06-03 | 2021-06-03 | Electromagnetic field radiation testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236876.8U CN215728454U (en) | 2021-06-03 | 2021-06-03 | Electromagnetic field radiation testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215728454U true CN215728454U (en) | 2022-02-01 |
Family
ID=80040735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121236876.8U Active CN215728454U (en) | 2021-06-03 | 2021-06-03 | Electromagnetic field radiation testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215728454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116930625A (en) * | 2023-09-14 | 2023-10-24 | 邹城市美安电子科技有限公司 | Electromagnetic detection device with protect function |
-
2021
- 2021-06-03 CN CN202121236876.8U patent/CN215728454U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116930625A (en) * | 2023-09-14 | 2023-10-24 | 邹城市美安电子科技有限公司 | Electromagnetic detection device with protect function |
| CN116930625B (en) * | 2023-09-14 | 2023-11-21 | 邹城市美安电子科技有限公司 | Electromagnetic detection device with protect function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215728454U (en) | Electromagnetic field radiation testing device | |
| Schmid et al. | Automated E-field scanning system for dosimetric assessments | |
| KR20030007572A (en) | Apparatus and method for production testing of the rf performance of wireless communications devices | |
| US9684023B2 (en) | RF measurement device and system | |
| Carobbi et al. | Proficiency testing by using traveling samples with preassigned reference values | |
| CN216485290U (en) | Electromagnetic compatibility detection device of artificial intelligence thing networking | |
| US8543103B2 (en) | Method and system for conducting hearing aid compatibility testing of a mobile communication device | |
| JP2002296310A (en) | Device and method for controlling display of electric power distribution | |
| CN109901055A (en) | A kind of OBD equipment performance test macro | |
| CN219641842U (en) | Near-field radiation immunity testing device | |
| CN218896811U (en) | Antenna device and test system | |
| CN106970272A (en) | Near field far field multifunctional test system | |
| CN108710039A (en) | Mobile terminal and its SAR test devices, SAR test methods | |
| EP2294434A1 (en) | A fast sar assessment and certification system for wireles device certification | |
| JP2009293933A (en) | Probe support member and magnetic field distribution measuring device using the same | |
| CN210518504U (en) | SAR testing arrangement of mobile terminal | |
| CN209264834U (en) | The three shaft space location test devices for EMF test | |
| CN106707036B (en) | Alternating current magnetic field detection table | |
| CN115166379A (en) | Portable high-voltage equipment alarm | |
| CN201655109U (en) | Nuclear magnetic resonance experimental facility with vertically placed and freely replaced sample | |
| CN217931806U (en) | Resistance calibration device | |
| CN220629342U (en) | Signal strength adjustable near human body wireless communication equipment specific yield detection device | |
| CN108828324A (en) | Leak the coupling loss detection device of cable | |
| CN216051949U (en) | Multi-user electromagnetic wave imaging and measuring system | |
| CN212437510U (en) | Infrared three-dimensional panoramic automatic temperature measurement helmet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |