CN110996640A - Power line communication and sensing integrated device with electromagnetic interference prevention function - Google Patents
Power line communication and sensing integrated device with electromagnetic interference prevention function Download PDFInfo
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- CN110996640A CN110996640A CN201911371568.3A CN201911371568A CN110996640A CN 110996640 A CN110996640 A CN 110996640A CN 201911371568 A CN201911371568 A CN 201911371568A CN 110996640 A CN110996640 A CN 110996640A
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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
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Abstract
The invention discloses an integrated device of power line communication and sensing with electromagnetic interference prevention function, which comprises a base, wherein the top of the base is fixedly connected with an installation frame, the top of the installation frame is fixedly connected with a cover plate, electromagnetic interference prevention components are fixedly arranged on the left inner side wall and the right inner side wall of the installation frame, the back surface of the installation frame is fixedly connected with a back plate, the back plate comprises an installation plate, a plurality of shielding waveguide windows are embedded in the installation plate, the left side of the front surface of the installation frame is hinged with a cabinet door, the installation frame comprises a frame, a plurality of installation holes are formed in the left side and the right side of the back surface of the frame along the vertical direction, a plurality of installation grooves are fixedly connected in the middle of the left inner side wall and the right inner side wall of the frame, and relates to the technical field of power equipment, through being provided with a plurality of electromagnetic interference resistant component, can carry out effectual shielding to electromagnetic interference.
Description
Technical Field
The invention relates to electric power equipment, in particular to an integrated device with electromagnetic interference prevention function for power line communication and sensing.
Background
The distribution of power supply and distribution lines in an industrial field is similar to a network for accommodating various interferences, and the interferences can be conveniently diffused everywhere in a circuit conduction mode, the intrusion of a power supply line of a detection device into an instrument causes the interferences, and the most obvious phenomena are voltage sudden change and alternating current power supply waveform distortion, so that higher harmonics of power frequency are conducted to a preceding stage circuit of equipment by a power line, for example, high-power higher harmonic interferences caused by a thyristor in a voltage regulating or inverting circuit, or hundreds of kilohertz sharp pulse interferences diffused outwards by the power line of a switching power supply.
In the installation process of the existing power equipment, a certain protection measure is usually implemented by adopting a grounding mode aiming at electromagnetic interference resistance, but the electromagnetic interference resistance is realized only by grounding, so that the electromagnetic interference resistance effect is limited, and meanwhile, in the grounding process of the electromagnetic interference resistance, if the grounding is improper, conduction type interference can still be caused.
Disclosure of Invention
The present invention is directed to an integrated device for power line communication and sensing with electromagnetic interference prevention, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an integrated device of power line communication and sensing with electromagnetic interference resistance function comprises a base, wherein the top of the base is fixedly connected with an installation frame, the top of the installation frame is fixedly connected with a cover plate, electromagnetic interference resistance components are fixedly arranged on the left inner side wall and the right inner side wall of the installation frame, the back surface of the installation frame is fixedly connected with a back plate, the back plate comprises an installation plate, a plurality of shielding waveguide windows are embedded in the installation plate, the left side of the front surface of the installation frame is hinged with a cabinet door, the installation frame comprises a frame, a plurality of installation holes are formed in the left side and the right side of the back surface of the frame along the vertical direction, a plurality of installation grooves are fixedly connected in the middle of the inner side walls of the left side and the right side of the frame, the electromagnetic interference resistance components comprise a fixed frame, a first waveguide net is fixedly connected in the fixed frame, a push plate is fixedly, the outer side wall of the push plate is provided with a handle.
As a further scheme of the invention: through all being provided with a plurality of electromagnetic interference resistance subassemblies in the left and right both sides of installing frame, can carry out effectual shielding to electromagnetic interference, electromagnetic interference resistance subassembly and installing frame adopt the mode that the separation set up simultaneously, be convenient for install and change, electromagnetic interference resistance subassembly simple structure, application scope is wide, is provided with shielding waveguide window simultaneously at the back, and is equal and installing frame is through the form that the separation set up, simple to operate, it is convenient to maintain.
Further, the mounting panel package rubbing board body, the draw-in groove has all been seted up to the positive left and right both sides of plate body, two a plurality of card holes have been seted up at the middle part that just is located the plate body between the draw-in groove.
Furthermore, the shielding waveguide window comprises a baffle, a built-in frame is fixedly connected to the front side of the baffle, and a second waveguide net is fixedly connected to the inside of the built-in frame.
Furthermore, the cabinet door comprises a door plate, a groove is formed in the inner side of the door plate, and a supporting frame is fixedly connected to the outer side of the groove.
Furthermore, a plurality of wave-absorbing foam are embedded between the supporting frame and the groove.
Further, the mounting groove includes that two are the cardboard of symmetric distribution, and the cardboard sets up to L shape structure, the mounting groove is corresponding with the mounting hole, and mounting groove and electromagnetic interference resistant component looks adaptation.
Further, the first waveguide net and the second waveguide net are both arranged in a honeycomb structure.
Further, arc-shaped grooves are formed in the left side and the right side of the outer side wall of the push plate, the two arc-shaped grooves are symmetrically distributed, and a handle is arranged between the two arc-shaped grooves.
Furthermore, the clamping groove is of a strip-shaped structure and is matched with the push plate.
Furthermore, a plurality of rectangular frames are arranged on the supporting frame, wave-absorbing foam is fixedly connected in each rectangular frame, and the wave-absorbing foam is distributed in a rectangular array.
As a further scheme of the invention: through having a plurality of ripples bubble cottons of inhaling in the tiling on the cabinet door, electromagnetic interference resistance carries out at cabinet door side, from the stability of all-round assurance internal component work, through inhaling the ripples bubble cotton, can in time absorb electromagnetic interference, and can't transmit the inside internal component of equipment and disturb, improved the stability and the security of work, prolonged the life of equipment.
Compared with the prior art, the electromagnetic interference prevention assembly has the advantages that the plurality of electromagnetic interference prevention assemblies are arranged on the left side and the right side of the installation frame, electromagnetic interference can be effectively shielded, meanwhile, the electromagnetic interference prevention assemblies and the installation frame are arranged in a separated mode, the installation and the replacement are convenient, the structure of the electromagnetic interference prevention assemblies is simple, the application range is wide, meanwhile, the shielding waveguide window is arranged on the back surface, and the electromagnetic interference prevention assemblies and the installation frame are also arranged in a separated mode, so that the installation is convenient, and the maintenance is convenient.
Drawings
Fig. 1 is a schematic front view of an integrated device for power line communication and sensing with electromagnetic interference prevention.
Fig. 2 is a schematic diagram of a back side structure of an integrated device for power line communication and sensing with electromagnetic interference prevention.
Fig. 3 is a schematic structural diagram of a mounting frame in an integrated apparatus for power line communication and sensing with electromagnetic interference prevention.
Fig. 4 is a schematic structural diagram of an emi shielding assembly in an integrated apparatus for power line communication and sensing with emi shielding function.
Fig. 5 is a schematic structural diagram of a plate body in an integrated device for power line communication and sensing with electromagnetic interference prevention.
Fig. 6 is a schematic structural diagram of a shielding waveguide window in an integrated device for power line communication and sensing with electromagnetic interference prevention.
Fig. 7 is a schematic structural diagram of a cabinet door in an integrated device for power line communication and sensing with electromagnetic interference prevention.
In the figure: 1. a base; 2. installing a frame; 3. a cover plate; 4. an electromagnetic interference preventing component; 5. a back plate; 6. mounting a plate; 7. shielding the waveguide window; 8. a cabinet door; 9. a frame; 10. mounting holes; 11. mounting grooves; 12. a fixing frame; 13. a first waveguide network; 14. pushing the plate; 15. a handle; 16. a plate body; 17. a card slot; 18. a clamping hole; 19. a baffle plate; 20. a built-in frame; 21. a second waveguide network; 22. a door panel; 23. a groove; 24. a support frame; 25. and (5) wave-absorbing foam.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-7, an integrated device of power line communication and sensing with electromagnetic interference prevention function comprises a base 1, a mounting frame 2 is fixedly connected to the top of the base 1, a cover plate 3 is fixedly connected to the top of the mounting frame 2, electromagnetic interference prevention components 4 are fixedly arranged on both left and right inner side walls of the mounting frame 2, a back plate 5 is fixedly connected to the back surface of the mounting frame 2, the back plate 5 comprises a mounting plate 6, a plurality of shielding waveguide windows 7 are embedded in the mounting plate 6, a cabinet door 8 is hinged to the left side of the front surface of the mounting frame 2, the mounting frame 2 comprises a frame 9, a plurality of mounting holes 10 are vertically arranged on both left and right sides of the back surface of the frame 9, a plurality of mounting grooves 11 are fixedly connected to the middle portions of the inner side walls on both left and right sides of the frame 9, the mounting grooves 11 comprise two clamping plates which are symmetrically distributed, and the clamping plates are arranged in, the mounting groove 11 is matched with the electromagnetic interference preventing component 4, the electromagnetic interference preventing component 4 comprises a fixing frame 12, a first waveguide net 13 is fixedly connected in the fixing frame 12, a push plate 14 is fixedly connected on the outer side wall of the first waveguide net 13, a handle 15 is arranged on the outer side wall of the push plate 14, arc-shaped grooves are respectively formed in the left side and the right side of the outer side wall of the push plate 14 and are symmetrically distributed, the handle 15 is arranged between the two arc-shaped grooves, the mounting plate 6 comprises a plate body 16, clamping grooves 17 are respectively formed in the left side and the right side of the front surface of the plate body 16, the clamping grooves 17 are arranged in a strip-shaped structure and are matched with the push plate 14, a plurality of clamping holes 18 are formed between the two clamping grooves 17 and positioned in the middle of the plate body 16, the shielding waveguide window 7 comprises a baffle plate 19, an internal frame 20 is fixedly connected on the front surface of the baffle plate 19, a second waveguide net 21 is fixedly connected in the internal frame, the cabinet door 8 comprises a door plate 22, a groove 23 is arranged on the inner side of the door plate 22, a supporting frame 24 is fixedly connected on the outer side of the groove 23, a plurality of wave-absorbing foam 25 are embedded between the supporting frame 24 and the groove 23, a plurality of rectangular frames are arranged on the supporting frame 24, the wave-absorbing foam 25 is fixedly connected in each rectangular frame, the wave-absorbing foam 25 is distributed in a rectangular array, a plurality of electromagnetic interference preventing assemblies 4 are arranged on the left side and the right side of the mounting frame 2 to effectively shield electromagnetic interference, meanwhile, the electromagnetic interference preventing assemblies 4 and the mounting frame 2 are arranged in a separated mode, so that the installation and replacement are convenient, the electromagnetic interference preventing assemblies 4 are simple in structure and wide in application range, meanwhile, a shielding waveguide window 7 is arranged on the back side, the wave-absorbing foam 25 is also arranged in a separated mode with the mounting frame 2, the installation is convenient, the maintenance is convenient, and the wave-absorbing foam 25 is, electromagnetic interference resistance carries out in 8 sides of cabinet door, from the stability of all-round assurance internal component work, through inhaling the cotton 25 of ripples bubble, can in time absorb electromagnetic interference, and can't transmit the inside internal component of equipment and disturb, improved the stability and the security of work, prolonged the life of equipment.
The working principle of the invention is as follows: in the installation process, a plurality of installation holes 10 are formed in both sides of the back surface of a first-phase installation frame 2, a plurality of installation grooves 11 matched with the installation holes 10 are fixedly connected to both the left inner side wall and the right inner side wall of the installation frame 2, an anti-electromagnetic interference assembly 4 extends into the installation holes 10, penetrates through the installation grooves 11 and is finally clamped in the installation frame 2, meanwhile, the inner wall of a push plate 14 is attached to the outer wall of the back surface of the installation frame 2, then, a back plate 5 is fixedly connected with the installation frame 2, the push plate 14 is clamped in a clamping groove 17, a plurality of shielding waveguide windows 7 are fixedly connected into clamping holes 18 in the outer wall of a plate body 16 through bolts, the inner side surface of a cabinet door 8 is fixedly installed, and wave absorbing foam 25 is fixedly connected into each unit cell of a support frame 24.
To sum up the above
The invention comprises the following steps: an integrated device of power line communication and sensing with electromagnetic interference prevention function comprises a base 1, the top of the base 1 is fixedly connected with a mounting frame 2, the top of the mounting frame 2 is fixedly connected with a cover plate 3, electromagnetic interference prevention components 4 are fixedly arranged on the left and right inner side walls of the mounting frame 2, the back surface of the mounting frame 2 is fixedly connected with a back plate 5, the back plate 5 comprises a mounting plate 6, a plurality of shielding waveguide windows 7 are embedded in the mounting plate 6, the left side of the front surface of the mounting frame 2 is hinged with a cabinet door 8, the mounting frame 2 comprises a frame 9, a plurality of mounting holes 10 are arranged on the left and right sides of the back surface of the frame 9 along the vertical direction, a plurality of mounting grooves 11 are fixedly connected in the middle parts of the left and right inner side walls of the frame 9, the electromagnetic interference prevention components 4 comprise a fixed frame 12, a first waveguide net 13 is fixedly connected in the fixed frame 12, and a push plate 14, the outer side wall of the push plate 14 is provided with the handle 15, so that compared with the prior art, the electromagnetic interference shielding device has the advantages that the plurality of electromagnetic interference shielding assemblies are arranged on the left side and the right side of the installation frame, electromagnetic interference can be effectively shielded, meanwhile, the electromagnetic interference shielding assemblies and the installation frame are arranged in a separated mode, installation and replacement are convenient, the electromagnetic interference shielding assemblies are simple in structure and wide in application range, meanwhile, the shielding waveguide window is arranged on the back face, and the installation and maintenance are convenient and fast due to the fact that the shielding waveguide window is also arranged in a separated mode with the installation frame.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (10)
1. The utility model provides an integrated device of power line communication and sensing with electromagnetic interference resistance function, includes base (1), the top fixedly connected with installing frame (2) of base (1), the top fixedly connected with apron (3) of installing frame (2), its characterized in that, all fixedly on the two inside walls in the left and right sides of installing frame (2) be provided with anti-electromagnetic interference subassembly (4), the back fixedly connected with backplate (5) of installing frame (2), backplate (5) include mounting panel (6), a plurality of shielding waveguide window (7) are inlayed to mounting panel (6) inside, the positive left side of installing frame (2) articulates there is cabinet door (8), installing frame (2) include frame (9), a plurality of mounting holes (10) have all been seted up along vertical direction in the left and right both sides at the frame (9) back, frame (9) a left side, a left side, The equal a plurality of mounting grooves of fixedly connected with (11) in middle part of right side both sides inside wall, anti-electromagnetic interference subassembly (4) are including fixed frame (12), the first waveguide net (13) of fixed frame (12) inside fixedly connected with, fixedly connected with push pedal (14) on the lateral wall of first waveguide net (13), the lateral wall of push pedal (14) is provided with handle (15).
2. The integrated device with electromagnetic interference prevention for power line communication and sensing as claimed in claim 1, wherein the mounting plate (6) comprises a plate body (16), the left and right sides of the front surface of the plate body (16) are both provided with a plurality of clamping grooves (17), and a plurality of clamping holes (18) are formed between the two clamping grooves (17) and in the middle of the plate body (16).
3. The integrated device for power line communication and sensing with electromagnetic interference prevention function according to claim 1, wherein the shielded waveguide window (7) comprises a baffle (19), a built-in frame (20) is fixedly connected to a front surface of the baffle (19), and a second waveguide net (21) is fixedly connected to an inner portion of the built-in frame (20).
4. The integrated device with electromagnetic interference prevention for power line communication and sensing as recited in claim 1, wherein the cabinet door (8) comprises a door panel (22), a groove (23) is formed on an inner side of the door panel (22), and a supporting frame (24) is fixedly connected to an outer side of the groove (23).
5. The integrated device for power line communication and sensing with electromagnetic interference prevention function according to claim 4, wherein a plurality of wave-absorbing foam (25) are embedded between the supporting frame (24) and the groove (23).
6. The integrated device for power line communication and sensing with emi shielding of claim 1, wherein the mounting slot (11) comprises two clamping plates symmetrically disposed, the clamping plates are configured as an L-shaped structure, the mounting slot (11) corresponds to the mounting hole (10), and the mounting slot (11) is adapted to the emi shielding component (4).
7. The integrated device for power line communication and sensing with electromagnetic interference prevention function according to claim 1 or 3, wherein the first waveguide net (13) and the second waveguide net (21) are arranged in a honeycomb structure.
8. The integrated device with electromagnetic interference prevention for power line communication and sensing of claim 1, wherein the push plate (14) has two arc-shaped slots on the left and right sides of the outer side wall, the two arc-shaped slots are symmetrically distributed, and a handle (15) is disposed between the two arc-shaped slots.
9. The integrated device for power line communication and sensing with electromagnetic interference prevention function according to claim 1 or 2, wherein the card slot (17) is configured as a strip structure, and the card slot (17) is adapted to the push plate (14).
10. The integrated device with electromagnetic interference prevention for power line communication and sensing as claimed in claim 4, wherein the supporting frame (24) is provided with a plurality of rectangular frames, each rectangular frame is fixedly connected with a plurality of wave-absorbing foam (25), and the wave-absorbing foam (25) is distributed in a rectangular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371568.3A CN110996640B (en) | 2019-12-26 | 2019-12-26 | Power line communication and sensing integrated device with electromagnetic interference prevention function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371568.3A CN110996640B (en) | 2019-12-26 | 2019-12-26 | Power line communication and sensing integrated device with electromagnetic interference prevention function |
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| Publication Number | Publication Date |
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| CN110996640A true CN110996640A (en) | 2020-04-10 |
| CN110996640B CN110996640B (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911371568.3A Active CN110996640B (en) | 2019-12-26 | 2019-12-26 | Power line communication and sensing integrated device with electromagnetic interference prevention function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111615302A (en) * | 2020-05-25 | 2020-09-01 | 国网河北省电力有限公司邢台供电分公司 | Integrated power line communication and sensing integrated equipment |
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| CN110996640B (en) | 2021-08-24 |
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