CN113922181B - Electromagnetic interference prevention method for magnetic attraction socket - Google Patents
Electromagnetic interference prevention method for magnetic attraction socket Download PDFInfo
- Publication number
- CN113922181B CN113922181B CN202111186369.2A CN202111186369A CN113922181B CN 113922181 B CN113922181 B CN 113922181B CN 202111186369 A CN202111186369 A CN 202111186369A CN 113922181 B CN113922181 B CN 113922181B
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- electromagnetic
- noise
- magnetic attraction
- socket
- magnetic field
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000002265 prevention Effects 0.000 title claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 230000001629 suppression Effects 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000008054 signal transmission Effects 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000005764 inhibitory process Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 abstract description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
Abstract
The invention relates to the technical field of magnetic attraction sockets, in particular to an electromagnetic interference prevention method of a magnetic attraction socket, which comprises the following steps: step one: firstly, testing the lowest electromagnetic noise intensity value of the magnetic attraction socket; step two: detecting magnetic field intensity values of different heights and angles in a selected region with the weakest magnetic field intensity; step three: detecting electromagnetic noise at the installed magnetic attraction socket by a signal detection device; step four: according to the noise data recorded by the display device; step five: a noise suppression protective cover is arranged on the outer side of the magnetic attraction socket; step six: the electromagnetic noise intensity value of the magnetic attraction socket is detected in real time through the signal detection device, surrounding external electromagnetic waves can be shielded in the operation process of the magnetic attraction socket, stability, safety and reliability of signal transmission of the magnetic attraction socket are guaranteed, meanwhile, safe operation of the magnetic attraction socket is effectively protected, electromagnetic interference can be prevented, and anti-interference performance of the magnetic attraction socket is improved.
Description
Technical Field
The invention relates to the technical field of magnetic attraction sockets, in particular to an electromagnetic interference prevention method of a magnetic attraction socket.
Background
The magnetic charging plug, as the name implies, utilizes magnetic linkage plug and socket to avoid the problem that the metal plug is exposed to the outside, many electric safety accidents are caused by that the exposed metal plug generates sparks or the wet hand of a user contacts the socket, meanwhile, the problem that the charging cannot be carried out due to mismatching of the plug types can be solved, the electromagnetic interference is an electromagnetic phenomenon which can cause the performance reduction of devices, equipment or systems or damage to living or inanimate substances, and the electromagnetic interference can be electromagnetic noise, useless signals or change of a transmission medium, and the radiation leaked from the transmission medium is mainly caused by using high-frequency wave energy and signal modulation.
Therefore, how to provide an electromagnetic interference prevention method for a magnetic attraction socket, which can prevent electromagnetic interference and improve the anti-interference performance of the magnetic attraction socket, has become one of the important problems.
Disclosure of Invention
The invention aims to provide an electromagnetic interference prevention method for a magnetic attraction socket, which aims to solve the problems in the background technology.
The technical scheme of the invention is as follows: an electromagnetic interference prevention method of a magnetic attraction socket comprises the following steps:
step one: firstly, testing the lowest electromagnetic noise intensity value of the magnetic attraction socket in normal operation under the condition of no interference, then detecting the magnetic field intensity value of the area to be installed of the magnetic attraction socket, and selecting the area with the weakest magnetic field intensity;
step two: detecting magnetic field intensity values of different heights and angles in the region with the weakest magnetic field intensity selected in the first step, and then selecting the height and angle position with the weakest magnetic field intensity again to install the magnetic attraction socket;
step three: then detecting electromagnetic noise at the installed magnetic attraction socket through a signal detection device, transmitting the detected electromagnetic noise to display equipment, and recording noise data at the position;
step four: then according to the noise data recorded by the display equipment, the noise frequency is transmitted to an electromagnetic wave transmitting device through a signal transmitting device, and electromagnetic waves capable of counteracting the original electromagnetic noise are transmitted through the electromagnetic waves to carry out inhibition treatment;
step five: then installing a noise suppression protective cover on the outer side of the installed magnetic attraction socket, and simultaneously arranging electromagnetic noise absorption equipment and alarm equipment in the noise suppression protective cover;
step six: and finally, detecting the electromagnetic noise intensity value of each magnetic attraction socket in real time through a signal detection device, and alarming when the electromagnetic noise intensity value exceeds the lowest electromagnetic noise intensity value of the magnetic attraction socket in normal operation under the condition of no interference, and starting an electromagnetic wave emission device to work to offset electromagnetic noise.
Preferably, the device for detecting the magnetic field intensity value of the region where the magnetic attraction socket is to be installed and the device for detecting the magnetic field intensity value of the region where the magnetic attraction socket is to be installed are both electromagnetic wave detectors, and the region where the magnetic field intensity is the weakest is a spherical region centered on the point where the magnetic field intensity is the weakest.
Preferably, the order of detecting the magnetic field intensity values of different heights and angles in the second step is to detect the magnetic field intensity values of different heights first, and then select the height with the weakest magnetic field intensity to detect the magnetic field intensity values of different angles again.
Preferably, the signal detection device in the third step is an electromagnetic noise detector, the display device is an oscilloscope and a computer host display screen, and the recorded noise data is noise frequency and noise intensity.
Preferably, the signal transmission device in the fourth step is a transmission antenna, and the electromagnetic wave transmitter of the electromagnetic wave transmitting device is an electromagnetic wave transmitter, and the noise frequency and the noise intensity between the electromagnetic wave capable of canceling the original electromagnetic noise and the original electromagnetic wave are the same, and the directions are opposite.
Preferably, the noise suppression protective cover in the fifth step is a closed protective cover, and the electromagnetic noise absorbing device and the alarm device are an electromagnetic noise absorbing material sheet and a buzzer respectively.
Compared with the prior art, the electromagnetic interference prevention method for the magnetic attraction socket provided by the invention has the following improvement and advantages:
according to the invention, the electromagnetic interference prevention degree of the magnetic attraction socket is improved by selecting the area with the weakest magnetic field intensity and then selecting the height and the angle position with the weakest magnetic field intensity again, then electromagnetic waves which counteract the original electromagnetic noise are emitted to perform inhibition treatment, and the electromagnetic interference inhibition and electromagnetic noise absorption treatment are performed on the magnetic attraction socket through the noise inhibition protective cover and the electromagnetic noise absorption equipment, so that the surrounding external electromagnetic waves can be shielded in the operation process of the magnetic attraction socket, the stability, safety and reliability of the magnetic attraction socket transmission signals are ensured, the safe operation of the magnetic attraction socket is effectively protected, the electromagnetic interference can be prevented, and the anti-interference performance of the magnetic attraction socket is improved.
Detailed Description
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an electromagnetic interference prevention method of a magnetic attraction socket by improving the method, which comprises the following steps:
embodiment one:
an electromagnetic interference prevention method of a magnetic attraction socket comprises the following steps:
step one: firstly, testing the lowest electromagnetic noise intensity value of the magnetic attraction socket in normal operation under the condition of no interference, then detecting the magnetic field intensity value of the area to be installed of the magnetic attraction socket, and selecting the area with the weakest magnetic field intensity;
step two: detecting magnetic field intensity values of different heights and angles in the region with the weakest magnetic field intensity selected in the first step, and then selecting the height and angle position with the weakest magnetic field intensity again to install the magnetic attraction socket;
step three: then detecting electromagnetic noise at the installed magnetic attraction socket through a signal detection device, transmitting the detected electromagnetic noise to display equipment, and recording noise data at the position;
step four: then according to the noise data recorded by the display equipment, the noise frequency is transmitted to an electromagnetic wave transmitting device through a signal transmitting device, and electromagnetic waves capable of counteracting the original electromagnetic noise are transmitted through the electromagnetic waves to carry out inhibition treatment;
step five: then installing a noise suppression protective cover on the outer side of the installed magnetic attraction socket, and simultaneously arranging electromagnetic noise absorption equipment and alarm equipment in the noise suppression protective cover;
step six: and finally, detecting the electromagnetic noise intensity value of each magnetic attraction socket in real time through a signal detection device, and alarming when the electromagnetic noise intensity value exceeds the lowest electromagnetic noise intensity value of the magnetic attraction socket in normal operation under the condition of no interference, and starting an electromagnetic wave emission device to work to offset electromagnetic noise.
Furthermore, in the above technical solution, the device for detecting the magnetic field intensity value of the area where the magnetic attraction socket is to be installed and the device for detecting the magnetic field intensity value of the area where the magnetic attraction socket is to be installed are both electromagnetic wave detectors, and the area where the magnetic field intensity is the weakest is a spherical area centered on the point where the magnetic field intensity is the weakest.
Further, in the above technical solution, the order of detecting the magnetic field intensity values of different heights and angles in the second step is to detect the magnetic field intensity values of different heights first, and then select the height with the weakest magnetic field intensity to detect the magnetic field intensity values of different angles again.
Furthermore, in the above technical scheme, the signal detection device in the third step is an electromagnetic noise detector, the display device is an oscilloscope and a computer host display screen, and the recorded noise data is noise frequency and noise intensity.
Furthermore, in the above technical solution, the signal transmission device in the fourth step is a transmission antenna, the electromagnetic wave transmitter of the electromagnetic wave transmitting device, and the noise frequency and the noise intensity between the electromagnetic wave capable of canceling the original electromagnetic noise and the original electromagnetic wave are the same, and the directions are opposite.
Furthermore, in the above technical solution, the noise suppression protective cover in the fifth step is a closed protective cover, and the electromagnetic noise absorbing device and the alarm device are an electromagnetic noise absorbing material sheet and a buzzer, respectively.
Working principle: firstly, testing the lowest electromagnetic noise intensity value of the magnetic attraction socket in normal working under the condition of no interference, then detecting the magnetic field intensity value of the area where the magnetic attraction socket is to be installed, selecting the area with the weakest magnetic field intensity, then detecting the magnetic field intensity values of different heights and angles in the selected area with the weakest magnetic field intensity, then selecting the height and angle position with the weakest magnetic field intensity again to install the magnetic attraction socket, then detecting the electromagnetic noise at the installed magnetic attraction socket by a signal detection device, transmitting the detected electromagnetic noise to a display device, recording the noise data at the place, transmitting the noise frequency to an electromagnetic wave transmitting device by a signal transmission device according to the noise data recorded by the display device, and performing inhibition treatment on electromagnetic waves capable of counteracting the original electromagnetic noise by electromagnetic wave transmission, then installing a noise suppression protective cover on the outer side of the installed magnetic attraction socket, simultaneously arranging electromagnetic noise absorption equipment and alarm equipment in the noise suppression protective cover, finally detecting the electromagnetic noise intensity value of each magnetic attraction socket in real time through a signal detection device, alarming when the electromagnetic noise intensity value exceeds the lowest electromagnetic noise intensity value when the magnetic attraction socket can normally work under the condition of no interference, starting an electromagnetic wave transmitting device to work so as to counteract electromagnetic noise, installing the magnetic attraction socket to improve the electromagnetic interference prevention degree of the magnetic attraction socket by selecting the area with the weakest magnetic field intensity firstly and then selecting the height and the angle position with the weakest magnetic field intensity again, and then performing suppression treatment by transmitting electromagnetic waves of electromagnetic noise which counteract the original electromagnetic noise, the electromagnetic interference suppression and electromagnetic noise absorption treatment are performed on the magnetic attraction socket through the noise suppression protective cover and the electromagnetic noise absorption equipment, so that external electromagnetic waves around the magnetic attraction socket can be shielded in the operation process of the magnetic attraction socket, the stability, safety and reliability of the transmission signals of the magnetic attraction socket are ensured, the safe operation of the magnetic attraction socket is effectively protected, the electromagnetic interference can be prevented, and the anti-interference performance of the magnetic attraction socket is improved.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An electromagnetic interference prevention method for a magnetic attraction socket is characterized by comprising the following steps of: the method comprises the following steps: step one: firstly, testing the lowest electromagnetic noise intensity value of the magnetic attraction socket in normal operation under the condition of no interference, then detecting the magnetic field intensity value of the area to be installed of the magnetic attraction socket, and selecting the area with the weakest magnetic field intensity; step two: detecting magnetic field intensity values of different heights and angles in the region with the weakest magnetic field intensity selected in the first step, and then selecting the height and angle position with the weakest magnetic field intensity to install the magnetic attraction socket; step three: then detecting electromagnetic noise at the installed magnetic attraction socket through a signal detection device, transmitting the detected electromagnetic noise to display equipment, and recording noise data at the position; step four: then according to the noise data recorded by the display equipment, the noise data is transmitted to an electromagnetic wave transmitting device through a signal transmitting device, and electromagnetic waves capable of counteracting the original electromagnetic noise are transmitted through the electromagnetic waves to carry out inhibition treatment; step five: then installing a noise suppression protective cover on the outer side of the installed magnetic attraction socket, and simultaneously arranging electromagnetic noise absorption equipment and alarm equipment in the noise suppression protective cover; step six: and finally, detecting the electromagnetic noise intensity value of each magnetic attraction socket in real time through a signal detection device, and alarming when the electromagnetic noise intensity value exceeds the lowest electromagnetic noise intensity value of the magnetic attraction socket in normal operation under the condition of no interference, and starting an electromagnetic wave emission device to work to offset electromagnetic noise.
2. The method for preventing electromagnetic interference of a magnetically engaging receptacle of claim 1, wherein: the device for testing the magnetic attraction socket in the first step is an electromagnetic wave detector, wherein the lowest electromagnetic noise intensity value and the device for detecting the magnetic field intensity value of the area where the magnetic attraction socket is to be installed can normally work under the condition of no interference, and the area with the weakest magnetic field intensity is a spherical area taking the point with the weakest magnetic field intensity as the center.
3. The method for preventing electromagnetic interference of a magnetically engaging receptacle of claim 1, wherein: the sequence of detecting the magnetic field intensity values of different heights and angles in the second step is to detect the magnetic field intensity values of different heights first, and then select the height with the weakest magnetic field intensity to detect the magnetic field intensity values of different angles again.
4. The method for preventing electromagnetic interference of a magnetically engaging receptacle of claim 1, wherein: the signal detection device in the third step is an electromagnetic noise detector, the display equipment is an oscilloscope and a computer host display screen, and the recorded noise data is noise frequency and noise intensity.
5. The method for preventing electromagnetic interference of a magnetically engaging receptacle of claim 1, wherein: the signal transmission device in the fourth step is a transmission antenna, the electromagnetic wave transmitter of the electromagnetic wave transmitting device is an electromagnetic wave transmitter, and the noise frequency and the noise intensity between the electromagnetic wave capable of canceling the original electromagnetic noise and the original electromagnetic wave are the same, and the directions are opposite.
6. The method for preventing electromagnetic interference of a magnetically engaging receptacle of claim 1, wherein: the noise suppression protective cover in the fifth step is a closed protective cover, and the electromagnetic noise absorption equipment and the alarm equipment are respectively an electromagnetic noise absorption material sheet and a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186369.2A CN113922181B (en) | 2021-10-12 | 2021-10-12 | Electromagnetic interference prevention method for magnetic attraction socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186369.2A CN113922181B (en) | 2021-10-12 | 2021-10-12 | Electromagnetic interference prevention method for magnetic attraction socket |
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| Publication Number | Publication Date |
|---|---|
| CN113922181A CN113922181A (en) | 2022-01-11 |
| CN113922181B true CN113922181B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111186369.2A Active CN113922181B (en) | 2021-10-12 | 2021-10-12 | Electromagnetic interference prevention method for magnetic attraction socket |
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Citations (8)
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| CN1461505A (en) * | 2000-08-31 | 2003-12-10 | 张基权 | Plug and electric outlet for absorbing electromagnetic interference |
| CN201725985U (en) * | 2010-03-23 | 2011-01-26 | 贵州航天电器股份有限公司 | Strong electromagnetic interference resistant socket |
| CN102175196A (en) * | 2011-01-20 | 2011-09-07 | 清华大学 | Coupling matching device for electromagnetic ultrasonic thickness measuring probe |
| CN108415087A (en) * | 2018-02-09 | 2018-08-17 | 李法利 | The method for preventing electromagnetic interference |
| CN109116182A (en) * | 2018-06-13 | 2019-01-01 | 山东康威通信技术股份有限公司 | The device and method of communication cable-end shielding case shield effectiveness measurement |
| CN112421309A (en) * | 2020-11-11 | 2021-02-26 | 深圳市国信达科技股份有限公司 | Communication connector for carrying out physical isolation aiming at noise device |
| CN214379124U (en) * | 2021-03-02 | 2021-10-08 | 德盈科技（深圳）有限公司 | Anti-electromagnetic interference socket |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9065205B2 (en) * | 2011-08-11 | 2015-06-23 | Apple Inc. | Connector insert having a cable crimp portion with protrusions and a receptacle having label in the front |
-
2021
- 2021-10-12 CN CN202111186369.2A patent/CN113922181B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4785247A (en) * | 1983-06-27 | 1988-11-15 | Nl Industries, Inc. | Drill stem logging with electromagnetic waves and electrostatically-shielded and inductively-coupled transmitter and receiver elements |
| CN1461505A (en) * | 2000-08-31 | 2003-12-10 | 张基权 | Plug and electric outlet for absorbing electromagnetic interference |
| CN201725985U (en) * | 2010-03-23 | 2011-01-26 | 贵州航天电器股份有限公司 | Strong electromagnetic interference resistant socket |
| CN102175196A (en) * | 2011-01-20 | 2011-09-07 | 清华大学 | Coupling matching device for electromagnetic ultrasonic thickness measuring probe |
| CN108415087A (en) * | 2018-02-09 | 2018-08-17 | 李法利 | The method for preventing electromagnetic interference |
| CN109116182A (en) * | 2018-06-13 | 2019-01-01 | 山东康威通信技术股份有限公司 | The device and method of communication cable-end shielding case shield effectiveness measurement |
| CN112421309A (en) * | 2020-11-11 | 2021-02-26 | 深圳市国信达科技股份有限公司 | Communication connector for carrying out physical isolation aiming at noise device |
| CN214379124U (en) * | 2021-03-02 | 2021-10-08 | 德盈科技（深圳）有限公司 | Anti-electromagnetic interference socket |
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| CN113922181A (en) | 2022-01-11 |
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