CN113922181A - Electromagnetic interference prevention method for magnetic suction socket - Google Patents
Electromagnetic interference prevention method for magnetic suction socket Download PDFInfo
- Publication number
- CN113922181A CN113922181A CN202111186369.2A CN202111186369A CN113922181A CN 113922181 A CN113922181 A CN 113922181A CN 202111186369 A CN202111186369 A CN 202111186369A CN 113922181 A CN113922181 A CN 113922181A
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- noise
- electromagnetic
- magnetic attraction
- socket
- magnetic field
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000002265 prevention Effects 0.000 title claims abstract description 16
- 230000001629 suppression Effects 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 230000008054 signal transmission Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005389 magnetism 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to the technical field of magnetic suction sockets, in particular to an electromagnetic interference prevention method of a magnetic suction socket, which comprises the following steps: the method comprises the following steps: 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 the selected magnetic field intensity weakest area; step three: detecting the electromagnetic noise at the installed magnetic attraction socket through a signal detection device; step four: noise data recorded according to a display device; step five: a noise suppression protective cover is arranged on the outer side of the magnetic attraction socket; step six: the signal detection device detects the electromagnetic noise intensity value of the magnetic attraction socket in real time when the magnetic attraction socket is used, the electromagnetic shielding device can shield the surrounding external electromagnetic waves in the operation process of the magnetic attraction socket, ensures the stability, safety and reliability of signals transmitted by the magnetic attraction socket, effectively protects the safe operation of the magnetic attraction socket, can prevent electromagnetic interference and improves the anti-interference performance of the magnetic attraction socket.
Description
Technical Field
The invention relates to the technical field of magnetic suction sockets, in particular to an electromagnetic interference prevention method of a magnetic suction socket.
Background
Magnetic charging plug, as the name suggests, link plug and socket are inhaled to the utilization magnetism, the problem that the metal plug exposes outside has been avoided, many power consumption safety accidents are because the metal plug that exposes outside produces the spark or the user contacts socket with the wet hand and produces, also can solve simultaneously the unmatched problem that leads to the fact can not charge of plug model, electromagnetic interference is for probably causing device, equipment or system performance to reduce or to having life or the electromagnetic phenomenon of the damage effect of living matter life matter, electromagnetic interference probably is electromagnetic noise, useless signal or the change of propagation medium self, the radiation that leaks out from the transmission medium, the main cause is because used high frequency wave energy and signal modulation.
Therefore, it is an important subject to provide an electromagnetic interference prevention method for a magnetic socket, which can prevent electromagnetic interference and improve the anti-interference performance of the magnetic socket.
Disclosure of Invention
The present invention is directed to an electromagnetic interference prevention method for a magnetic socket, so as to solve the above problems in the related art.
The technical scheme of the invention is as follows: an electromagnetic interference prevention method for a magnetic attraction socket comprises the following steps:
the method comprises the following steps: firstly, testing the lowest electromagnetic noise intensity value of the magnetic attraction socket when the magnetic attraction socket can normally work under the condition of no interference, then detecting the magnetic field intensity value of a region to be installed of the magnetic attraction socket, and selecting the region with the weakest magnetic field intensity;
step two: detecting magnetic field intensity values with different heights and angles in the selected magnetic field intensity weakest area in the step one, and then selecting the height and angle position with the weakest magnetic field intensity again to install the magnetic suction socket;
step three: then detecting the electromagnetic noise at the installed magnetic attraction socket through a signal detection device, transmitting the detected electromagnetic noise to display equipment, and recording the noise data at the position;
step four: then according to the noise data recorded by the display device, the noise frequency is transmitted to an electromagnetic wave emission device through a signal transmission device, and the electromagnetic wave which can offset the original electromagnetic noise is emitted through the electromagnetic wave to carry out suppression treatment;
step five: then, a noise suppression protective cover is arranged on the outer side of the installed magnetic attraction socket, and meanwhile, electromagnetic noise absorption equipment and alarm equipment are arranged in the noise suppression protective cover;
step six: and finally, detecting the electromagnetic noise intensity value of the magnetic attraction socket in use each time in real time through a signal detection device, and when the electromagnetic noise intensity value exceeds the lowest electromagnetic noise intensity value of the magnetic attraction socket which can normally work under the condition of no interference, alarming by an alarm device, and starting an electromagnetic wave emission device to work to offset the electromagnetic noise.
Preferably, the lowest electromagnetic noise intensity value of the magnetic attraction socket in the step one when the magnetic attraction socket can normally work without interference 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 selected region with the weakest magnetic field intensity is a spherical region with the point with the weakest magnetic field intensity as the center.
Preferably, the order of detecting the magnetic field strength values at different heights and angles in the second step is to detect the magnetic field strength values at different heights first, and then select the height with the weakest magnetic field strength to detect the magnetic field strength values at 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 emission device is an electromagnetic wave emitter, and the electromagnetic wave emission can cancel the noise of the original electromagnetic wave, and the noise frequency and the noise intensity between the electromagnetic wave 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 absorption device and the alarm device are respectively an electromagnetic noise absorption material sheet plate and a buzzer.
The invention provides an electromagnetic interference prevention method of a magnetic attraction socket by improvement, compared with the prior art, the invention has the following improvement and advantages:
according to the invention, the magnetic attraction socket is installed by firstly 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 to improve the electromagnetic interference resistance degree of the magnetic attraction socket, then electromagnetic waves for counteracting the original electromagnetic noise by emitting electromagnetic waves are inhibited, 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, the safety and the reliability of the transmission signals of the magnetic attraction socket are ensured, meanwhile, 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 present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an electromagnetic interference prevention method of a magnetic attraction socket through improvement, and the technical scheme of the invention is as follows:
the first embodiment is as follows:
an electromagnetic interference prevention method for a magnetic attraction socket comprises the following steps:
the method comprises the following steps: firstly, testing the lowest electromagnetic noise intensity value of the magnetic attraction socket when the magnetic attraction socket can normally work under the condition of no interference, then detecting the magnetic field intensity value of a region to be installed of the magnetic attraction socket, and selecting the region with the weakest magnetic field intensity;
step two: detecting magnetic field intensity values with different heights and angles in the selected magnetic field intensity weakest area in the step one, and then selecting the height and angle position with the weakest magnetic field intensity again to install the magnetic suction socket;
step three: then detecting the electromagnetic noise at the installed magnetic attraction socket through a signal detection device, transmitting the detected electromagnetic noise to display equipment, and recording the noise data at the position;
step four: then according to the noise data recorded by the display device, the noise frequency is transmitted to an electromagnetic wave emission device through a signal transmission device, and the electromagnetic wave which can offset the original electromagnetic noise is emitted through the electromagnetic wave to carry out suppression treatment;
step five: then, a noise suppression protective cover is arranged on the outer side of the installed magnetic attraction socket, and meanwhile, electromagnetic noise absorption equipment and alarm equipment are arranged in the noise suppression protective cover;
step six: and finally, detecting the electromagnetic noise intensity value of the magnetic attraction socket in use each time in real time through a signal detection device, and when the electromagnetic noise intensity value exceeds the lowest electromagnetic noise intensity value of the magnetic attraction socket which can normally work under the condition of no interference, alarming by an alarm device, and starting an electromagnetic wave emission device to work to offset the electromagnetic noise.
Further, in the above technical solution, the lowest electromagnetic noise intensity value when the magnetic attraction socket in the step one can normally work without interference 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 with the weakest magnetic field intensity is selected to be a spherical region with the point with the weakest magnetic field intensity as the center.
Further, in the above technical solution, the order of detecting the magnetic field strength values at different heights and angles in the second step is to detect the magnetic field strength values at different heights first, and then select the height with the weakest magnetic field strength to detect the magnetic field strength values at different angles again.
Further, in the above technical solution, the signal detection device in step three is an electromagnetic noise detector, the display device is an oscilloscope and a computer 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, and the electromagnetic wave emitting device is an electromagnetic wave emitter, and the electromagnetic wave emission can cancel the original electromagnetic noise, and the noise frequency and the noise intensity between the electromagnetic wave and the original electromagnetic wave are the same, and the directions are opposite.
Further, in the above technical solution, the noise suppression protective cover in the fifth step is a closed protective cover, and the electromagnetic noise absorption device and the alarm device are respectively an electromagnetic noise absorption material sheet and a buzzer.
The working principle is as follows: firstly testing the lowest electromagnetic noise intensity value when the magnetic attraction socket can normally work under the condition of no interference, then detecting the magnetic field intensity value of the area to be installed of the magnetic attraction socket, selecting the area with the weakest magnetic field intensity, then detecting the magnetic field intensity values with 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 position, then transmitting the noise frequency to an electromagnetic wave emission device by a signal transmission device according to the noise data recorded by the display device, and carrying out inhibition treatment on the electromagnetic wave which can counteract the original electromagnetic noise by electromagnetic wave emission, 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 time when the magnetic attraction socket is used 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 emission device to work and offset the electromagnetic noise, installing the magnetic attraction socket by selecting the height and the angle position with the weakest magnetic field intensity after selecting the weakest magnetic field intensity area firstly, then carrying out suppression treatment on the electromagnetic waves which offset the original electromagnetic noise by emitting the electromagnetic waves, and carrying out electromagnetic interference suppression and electromagnetic noise absorption treatment on the magnetic attraction socket through the noise suppression protective cover and the electromagnetic noise absorption equipment, therefore, the magnetic attraction socket can shield the ambient electromagnetic waves in the operation process of the magnetic attraction socket, ensures the stability, safety and reliability of the transmission signals of the magnetic attraction socket, effectively protects the safe operation of the magnetic attraction socket, can prevent electromagnetic interference and improves the anti-interference performance of the magnetic attraction socket.
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 in that: the method comprises the following steps:
the method comprises the following steps: firstly, testing the lowest electromagnetic noise intensity value of the magnetic attraction socket when the magnetic attraction socket can normally work under the condition of no interference, then detecting the magnetic field intensity value of a region to be installed of the magnetic attraction socket, and selecting the region with the weakest magnetic field intensity;
step two: detecting magnetic field intensity values with different heights and angles in the selected magnetic field intensity weakest area in the step one, and then selecting the height and angle position with the weakest magnetic field intensity again to install the magnetic suction socket;
step three: then detecting the electromagnetic noise at the installed magnetic attraction socket through a signal detection device, transmitting the detected electromagnetic noise to display equipment, and recording the noise data at the position;
step four: then according to the noise data recorded by the display device, the noise frequency is transmitted to an electromagnetic wave emission device through a signal transmission device, and the electromagnetic wave which can offset the original electromagnetic noise is emitted through the electromagnetic wave to carry out suppression treatment;
step five: then, a noise suppression protective cover is arranged on the outer side of the installed magnetic attraction socket, and meanwhile, electromagnetic noise absorption equipment and alarm equipment are arranged in the noise suppression protective cover;
step six: and finally, detecting the electromagnetic noise intensity value of the magnetic attraction socket in use each time in real time through a signal detection device, and when the electromagnetic noise intensity value exceeds the lowest electromagnetic noise intensity value of the magnetic attraction socket which can normally work under the condition of no interference, alarming by an alarm device, and starting an electromagnetic wave emission device to work to offset the electromagnetic noise.
2. An EMI prevention method as claimed in claim 1, wherein: the lowest electromagnetic noise intensity value of the magnetic attraction socket in the step one when the magnetic attraction socket can normally work under the condition of no interference and the equipment for detecting the magnetic field intensity value of the area to be installed of the magnetic attraction socket are both electromagnetic wave detectors, and the selected area with the weakest magnetic field intensity is a spherical area with the weakest magnetic field intensity point as the center.
3. An EMI prevention method as claimed in claim 1, wherein: and in the second step, the sequence of detecting the magnetic field intensity values at different heights and angles is to detect the magnetic field intensity values at different heights first, and then select the height with the weakest magnetic field intensity to detect the magnetic field intensity values at different angles again.
4. An EMI prevention method as claimed in claim 1, wherein: and 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. An EMI prevention method as claimed in claim 1, wherein: the signal transmission device in the fourth step is a transmission antenna, the electromagnetic wave emission device is an electromagnetic wave emitter, and the electromagnetic wave emission can offset the noise frequency and the noise intensity between the electromagnetic wave of the original electromagnetic noise and the original electromagnetic wave, and the directions are opposite.
6. An EMI prevention method as claimed in claim 1, wherein: and 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 plate 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113922181A true CN113922181A (en) | 2022-01-11 |
| CN113922181B CN113922181B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111186369.2A Active CN113922181B (en) | 2021-10-12 | 2021-10-12 | Electromagnetic interference prevention method for magnetic attraction socket |
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| CN (1) | CN113922181B (en) |
Citations (9)
| 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 |
| US20130040470A1 (en) * | 2011-08-11 | 2013-02-14 | Apple Inc. | Magnetic insert and receptacle for connector system |
| 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 |
-
2021
- 2021-10-12 CN CN202111186369.2A patent/CN113922181B/en active Active
Patent Citations (9)
| 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 |
| US20130040470A1 (en) * | 2011-08-11 | 2013-02-14 | Apple Inc. | Magnetic insert and receptacle for connector system |
| 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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| CN113922181B (en) | 2024-03-12 |
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