CN111542212A - Anti-interference method and device for generator set - Google Patents
Anti-interference method and device for generator set Download PDFInfo
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- CN111542212A CN111542212A CN202010295986.5A CN202010295986A CN111542212A CN 111542212 A CN111542212 A CN 111542212A CN 202010295986 A CN202010295986 A CN 202010295986A CN 111542212 A CN111542212 A CN 111542212A
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- protection casing
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 40
- 230000035939 shock Effects 0.000 claims description 6
- 229910001289 Manganese-zinc ferrite Inorganic materials 0.000 claims description 2
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0015—Gaskets or seals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/02—Details of the control
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses an anti-interference method and device for a generator set, and the device comprises a protective cover a, wherein a protective cover b is arranged on the inner side of the protective cover a through a sliding rail, an electromagnetic interference measuring instrument is fixed in the middle of the bottom of the inner side of the protective cover a through a screw, an electromagnetic interference filter is arranged in front of the electromagnetic interference measuring instrument, a power supply inlet is arranged on the left side in front of the electromagnetic interference filter, the power supply inlet and the electromagnetic interference filter are both fixed on the inner wall of the protective cover a through screws, a control panel is arranged on the left side of the protective cover a, a display panel is fixed in the middle of the top of the control panel through a screw, a display is installed in front of the display panel through embedding, loudspeakers are installed on the left; the anti-interference method and the device for the generator set have the advantages of multilayer protection, electromagnetic filtering, electromagnetic detection and convenience in use.
Description
Technical Field
The invention relates to the technical field of generators, in particular to an anti-interference method and device for a generator set.
Background
The generator is mechanical equipment which converts other forms of energy into electric energy, is driven by a water turbine, a steam turbine, a diesel engine or other power machines, converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy and transmits the mechanical energy to the generator, and then the generator converts the mechanical energy into electric energy.
And the generating set of constituteing by the generator, because the difference of structure and work efficiency, can produce different electromagnetic interference often, electromagnetic interference can influence a lot of equipment work often, cause equipment at generating set during operation, can't use, although there are anti-interference equipment among a lot of now, but be not convenient enough at the in-process that these anti-interference equipment used, and can't carry out multilayer protection and electromagnetic filter to electromagnetic interference, also can't detect real-time electromagnetic interference, can't carry out comprehensive protection.
Disclosure of Invention
The invention aims to provide an anti-interference method and device for a generator set, which have the advantages of multilayer protection, electromagnetic filtering, electromagnetic detection and convenience in use and solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-interference method and device for a generating set comprises a protective cover a, a protective cover b is arranged on the inner side of the protective cover a through a sliding rail, an electromagnetic interference measuring instrument is fixed in the middle of the bottom of the inner side of the protective cover a through screws, an electromagnetic interference filter is arranged in front of the electromagnetic interference measuring instrument, a power inlet is arranged on the left side in front of the electromagnetic interference filter, the power inlet and the electromagnetic interference filter are both fixed on the inner wall of the protective cover a through screws, a control panel is arranged on the left side of the protective cover a, a display panel is fixed in the middle of the top of the control panel through screws, a display is installed in front of the display panel through embedding, loudspeakers are installed on the left side and the right side of the front of the control panel through embedding, a storage device is arranged on the right side of the controller, a network interface is arranged on the right side of the storage device, and the storage device and the network interface are both fixed on the control panel through screws;
the using method is as follows;
(1) the power interface is connected with a power supply, and the network interface transmits data through a network;
(2) sleeving the protective cover a and the protective cover b on the outer side of the generator set, connecting a power supply inlet with generator equipment, and connecting a power supply outlet with electric equipment;
(3) setting the model of the equipment and the maximum electromagnetic interference receiving quantity of the equipment in a controller;
(4) the current sent by the generator set enters the electromagnetic interference filter, and the current enters the power outlet through the electromagnetic interference filter;
(5) the electromagnetic interference measuring instrument detects electromagnetic interference of the generator set and transmits data to the controller, the controller receives the data, compares the data and sets the data, and transmits the received data to the display, the storage and the network interface;
(6) when the electromagnetic interference is too large, the loudspeaker gives an alarm, and the controller searches for a problem corresponding to the corresponding data through the network interface and displays the problem on the display.
Preferably, protection casing a divide into noise reduction layer, anti-interference layer an and anti-interference layer b, noise reduction layer inboard is anti-interference layer a, anti-interference layer an inboard is anti-interference layer b, noise reduction layer, anti-interference layer an and anti-interference layer b are integrated into one piece, anti-interference layer b is: the anti-interference layer a is: manganese-zinc ferrite.
Preferably, the protection cover b and the protection cover a have the same structure, the top of the protection cover b is provided with a shock pad larger than the area of the top of the protection cover b, and the left side of the front of the protection cover a is fixed with a power supply outlet through a screw.
Preferably, the electromagnetic interference measuring instrument has the following model: HOLADAY HI3624A, the model of the electromagnetic interference filter is: YB27F1-20A-Q, the storage model is: JS28F640P33T 85.
Preferably, the power interface is connected with a power supply through a cable, the power interface is respectively connected with the display, the controller, the storage, the network interface, the electromagnetic interference measuring instrument and the electromagnetic interference filter through cables, the electromagnetic interference filter is respectively connected with the power supply inlet and the power supply outlet through cables, and the parts are connected through shielding cables.
Compared with the prior art, the invention has the following beneficial effects:
1. the anti-interference method and the device for the generator set perform anti-electromagnetic interference protection and noise reduction through the protective cover a and the protective cover b, prevent overlarge electromagnetic interference and overlarge noise, adopt the shock pad to absorb shock, prevent the deviation of the protective cover a and the protective cover b caused by the vibration of the generator set, adopt the electromagnetic interference measuring instrument to detect the electromagnetic interference, conveniently detect the data of the electromagnetic interference, adopt the electromagnetic interference filter to reduce the electromagnetic interference, adopt the power supply inlet and the power supply outlet to connect the current of the generator set, and adopt the shielding cable, thereby shielding the electromagnetic interference.
2. The display is installed by the display board, data are displayed by the display, data conditions are conveniently checked, the loudspeaker is used for alarming, automatic alarming is conveniently carried out when problems occur, the controller is used for carrying out integral control, the generator set anti-interference method and the generator set anti-interference device are convenient to use, the storage device is used for storing information, backup of the information is convenient, a network interface is used for connecting a network, and data receiving and transmission are convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an anti-interference method and device for a generator set according to the present invention;
FIG. 2 is a schematic diagram of the inside of a control board of the anti-interference method and the device for the generator set of the present invention;
FIG. 3 is a schematic structural diagram of a protective cover a of an anti-interference method and device for a generator set according to the present invention;
fig. 4 is a schematic view of the inside of a protective cover of an anti-interference method and device for a generator set according to the present invention.
The figures are labeled as follows: 1 shield a, 2 shield b, 3 shock pad, 4 display panel, 5 display, 6 loudspeaker, 7 control panel, 8 power interface, 9 controller, 10 memory, 11 network interface, 12 noise reduction layer, 13 anti-interference layer a, 14 anti-interference layer b, 15 electromagnetic interference measuring instrument, 16 electromagnetic interference filter, 17 power inlet, 18 power outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1, 2, 3 and 4, an anti-interference method and device for a generator set includes a protective cover a1, a protective cover b2 is mounted on the inner side of the protective cover a1 through a slide rail, an electromagnetic interference measuring instrument 15 is fixed in the middle of the bottom of the inner side of the protective cover a1 through screws, an electromagnetic interference filter 16 is arranged in front of the electromagnetic interference measuring instrument 15, a power inlet 17 is arranged on the left side of the front of the electromagnetic interference filter 16, the power inlet 17 and the electromagnetic interference filter 16 are both fixed on the inner wall of the protective cover a1 through screws, a control panel 7 is arranged on the left side of the protective cover a1, a display panel 4 is fixed in the middle of the top of the control panel 7 through screws, a display 5 is mounted in front of the display panel 4 through embedding, speakers 6 are mounted on the left and right sides of the, a storage device 10 is arranged on the right side of the controller 9, a network interface 11 is arranged on the right side of the storage device 10, and the storage device 10 and the network interface 11 are both fixed on the control panel 7 through screws;
the using method is as follows;
(1) the power supply interface 8 is connected with a power supply, and the network interface 11 transmits data through a network;
(2) the protective cover a1 and the protective cover b2 are sleeved on the outer side of the generator set, the power supply inlet 17 is connected with generator equipment, and the power supply outlet 18 is connected with electric equipment;
(3) setting the model of the device and the maximum electromagnetic interference receiving quantity of the device in the controller 9;
(4) the current emitted by the generator set enters the electromagnetic interference filter 16, and the current enters the power outlet 18 through the electromagnetic interference filter 16;
(5) the electromagnetic interference measuring instrument 15 detects electromagnetic interference of the generator set and transmits data to the controller 9, the controller 9 receives the data, compares the data and sets the data, and transmits the received data to the display 5, the storage 10 and the network interface 11;
(6) when the electromagnetic interference is too large, the loudspeaker 6 gives an alarm, and the controller 9 searches for a problem corresponding to the corresponding data through the network interface 11 and displays the problem on the display 5.
Example 2:
referring to fig. 1, 2, 3 and 4, an anti-interference method and device for a generator set includes a protective cover a1, a protective cover b2 is mounted on the inner side of the protective cover a1 through a slide rail, an electromagnetic interference measuring instrument 15 is fixed in the middle of the bottom of the inner side of the protective cover a1 through screws, an electromagnetic interference filter 16 is arranged in front of the electromagnetic interference measuring instrument 15, a power inlet 17 is arranged on the left side of the front of the electromagnetic interference filter 16, the power inlet 17 and the electromagnetic interference filter 16 are both fixed on the inner wall of the protective cover a1 through screws, a control panel 7 is arranged on the left side of the protective cover a1, a display panel 4 is fixed in the middle of the top of the control panel 7 through screws, a display 5 is mounted in front of the display panel 4 through embedding, speakers 6 are mounted on the left and right sides of the, a storage device 10 is arranged on the right side of the controller 9, a network interface 11 is arranged on the right side of the storage device 10, and the storage device 10 and the network interface 11 are both fixed on the control panel 7 through screws;
the using method is as follows;
(1) the power supply interface 8 is connected with a power supply, and the network interface 11 transmits data through a network;
(2) the protective cover a1 and the protective cover b2 are sleeved on the outer side of the generator set, the power supply inlet 17 is connected with generator equipment, and the power supply outlet 18 is connected with electric equipment;
(3) setting the model of the device and the maximum electromagnetic interference receiving quantity of the device in the controller 9;
(4) the current emitted by the generator set enters the electromagnetic interference filter 16, and the current enters the power outlet 18 through the electromagnetic interference filter 16;
(5) the electromagnetic interference measuring instrument 15 detects electromagnetic interference of the generator set and transmits data to the controller 9, the controller 9 receives the data, compares the data and sets the data, and transmits the received data to the display 5, the storage 10 and the network interface 11;
(6) when the electromagnetic interference is normal, the loudspeaker 6 does not give an alarm, and the controller 9 continues to work.
The working principle is as follows: the invention relates to an anti-interference method and a device thereof for a generator set, wherein a power interface 8 is connected with a power supply, the inside of the device is electrified, the model number and the maximum electromagnetic interference receiving quantity of the generator set are set in a controller 9, a protective cover a1 and a protective cover b2 are sleeved on the generator set, a power inlet 17 is connected with the output end of the generator set, a power outlet 18 is connected with electric equipment, when the generator set starts to work and generates electromagnetic interference and noise, a shock pad 3 is witnessed to prevent the situation of deviation, an anti-interference layer a13 and an anti-interference layer b14 are used for blocking the electromagnetic interference, because of the material reasons of the anti-interference layer a13 and the anti-interference layer b14, the anti-interference layer b14 is used for blocking the electromagnetic interference for the first time, the anti-interference layer a13 is used for blocking the electromagnetic interference, the electromagnetic interference is blocked, the electromagnetic interference filter 16 reduces electromagnetic interference by wave and prevents electromagnetic interference from leaking according to the adopted shielding cable, the electromagnetic interference measuring instrument 15 detects electromagnetic interference and transmits the electromagnetic interference to the controller 9 through the cable, the controller 9 compares the detected value through a set value, when the value is lower than the set value, the controller 9 continues the comparison, when the electromagnetic interference exceeds a set value, the controller 9 opens the loudspeaker 6 through the cable and transmits data to the display 5, the storage 10 and the network interface 11, the display 5 displays numerical values, the storage 10 stores data, the network interface 11 searches problems of the corresponding electromagnetic interference generator set, after the search is completed, the controller 9 receives the data from the network interface 11 and transmits the data to the display 5 to remind personnel of performing timely maintenance, and when the data needs to be closed, the power supply is disconnected.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. An anti-interference method and device for a generator set are characterized in that: including protection casing a (1), protection casing b (2) are installed through the slide rail to protection casing a (1) inboard, all be fixed with electromagnetic interference measuring apparatu (15) through the screw in the middle of protection casing a (1) inboard bottom, electromagnetic interference measuring apparatu (15) the place ahead is equipped with electromagnetic interference wave filter (16), electromagnetic interference wave filter (16) the place ahead left side is equipped with power inlet (17), power inlet (17) and electromagnetic interference wave filter (16) all are fixed on protection casing a (1) inner wall through the screw, protection casing a (1) left side is equipped with control panel (7), be fixed with display panel (4) through the screw in the middle of control panel (7) top, display panel (4) are preceding to be installed display (5) through the embedding, speaker (6) are all installed through the embedding in the preceding left and right sides of control panel (7, a power supply interface (8) is embedded in the middle of the front of the control panel (7), a controller (9) is fixed on the left side inside the control panel (7) through screws, a storage device (10) is arranged on the right side of the controller (9), a network interface (11) is arranged on the right side of the storage device (10), and the storage device (10) and the network interface (11) are both fixed on the control panel (7) through screws;
the using method is as follows;
(1) the power supply interface (8) is connected with a power supply, and the network interface (11) transmits data through a network;
(2) sleeving a protective cover a (1) and a protective cover b (2) on the outer side of a generator set, connecting a power supply inlet (17) with generator equipment, and connecting a power supply outlet (18) with electric equipment;
(3) setting the model of the equipment and the maximum electromagnetic interference receiving quantity of the equipment in a controller (9);
(4) the current emitted by the generator set enters an electromagnetic interference filter (16), and the current enters a power outlet (18) through the electromagnetic interference filter (16);
(5) the electromagnetic interference measuring instrument (15) detects electromagnetic interference of the generator set and transmits data to the controller (9), the controller (9) receives the data, compares the data and sets the data, and transmits the received data to the display (5), the storage (10) and the network interface (11);
(6) when the electromagnetic interference is too large, the loudspeaker (6) gives an alarm, and the controller (9) searches for a problem corresponding to the corresponding data through the network interface (11) and displays the problem on the display (5).
2. The anti-interference method and device for the generator set according to claim 1, wherein: protection casing a (1) divide into noise reduction layer (12), anti-interference layer a (13) and anti-interference layer b (14), noise reduction layer (12) inboard is anti-interference layer a (13), anti-interference layer a (13) inboard is anti-interference layer b (14), noise reduction layer (12), anti-interference layer a (13) and anti-interference layer b (14) are integrated into one piece, anti-interference layer b (14) are: the anti-interference layer a (1) is: manganese-zinc ferrite.
3. The anti-interference method and device for the generator set according to claim 1, wherein: the protection casing b (2) and protection casing a (1) structure are the same, and protection casing b (2) top is equipped with and is greater than shock pad (3) of protection casing b (2) top area, the preceding left side of protection casing a (1) is fixed with power outlet (18) through the screw.
4. The anti-interference method and device for generator set according to any one of claims 1 to 2, characterized in that: the electromagnetic interference measuring instrument (15) is characterized in that the model is as follows: HOLADAY HI3624A, the electromagnetic interference filter (16) model is: YB27F1-20A-Q, the type of the storage (10) is: JS28F640P33T 85.
5. The anti-interference method and device for generator set according to any one of claims 1 to 2, characterized in that: power source (8) are through cable connection power, and display (5), controller (9), accumulator (10), network interface (11), electromagnetic interference measuring apparatu (15) and electromagnetic interference filter (16) are connected respectively to power source (8) through the cable, power import (17) and power export (18) are connected respectively to electromagnetic interference filter (16) through the cable, the connection between the part all adopts the shielding cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295986.5A CN111542212A (en) | 2020-04-15 | 2020-04-15 | Anti-interference method and device for generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295986.5A CN111542212A (en) | 2020-04-15 | 2020-04-15 | Anti-interference method and device for generator set |
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| CN111542212A true CN111542212A (en) | 2020-08-14 |
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| CN202010295986.5A Pending CN111542212A (en) | 2020-04-15 | 2020-04-15 | Anti-interference method and device for generator set |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120140431A1 (en) * | 2010-10-29 | 2012-06-07 | Faxvog Frederick R | Electromagnetically-Protected Electronic Equipment |
| CN104135100A (en) * | 2014-07-08 | 2014-11-05 | 江西清华泰豪微电机有限公司 | Method for inhibiting interference sources in silent power generating set |
| CN106659106A (en) * | 2017-02-16 | 2017-05-10 | 中海油能源发展股份有限公司 | Novel cable antimagnetic alarm device |
| CN207198574U (en) * | 2017-07-20 | 2018-04-06 | 长沙市驱动源电气技术有限公司 | Electromagnetism interference control system |
| CN207543497U (en) * | 2017-10-31 | 2018-06-26 | 青岛中卓海泰微波科技有限公司 | A kind of pin-connected panel screened room with alarm function |
| CN109195430A (en) * | 2018-10-18 | 2019-01-11 | 深圳众宝城贸易有限公司 | A kind of communication base station electrical control cabinet |
-
2020
- 2020-04-15 CN CN202010295986.5A patent/CN111542212A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120140431A1 (en) * | 2010-10-29 | 2012-06-07 | Faxvog Frederick R | Electromagnetically-Protected Electronic Equipment |
| CN104135100A (en) * | 2014-07-08 | 2014-11-05 | 江西清华泰豪微电机有限公司 | Method for inhibiting interference sources in silent power generating set |
| CN106659106A (en) * | 2017-02-16 | 2017-05-10 | 中海油能源发展股份有限公司 | Novel cable antimagnetic alarm device |
| CN207198574U (en) * | 2017-07-20 | 2018-04-06 | 长沙市驱动源电气技术有限公司 | Electromagnetism interference control system |
| CN207543497U (en) * | 2017-10-31 | 2018-06-26 | 青岛中卓海泰微波科技有限公司 | A kind of pin-connected panel screened room with alarm function |
| CN109195430A (en) * | 2018-10-18 | 2019-01-11 | 深圳众宝城贸易有限公司 | A kind of communication base station electrical control cabinet |
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Application publication date: 20200814 |