Anti-electromagnetic interference power line coupler and use method thereof

Abstract

The invention belongs to the technical field of electric communication transmission, particularly relates to an anti-electromagnetic interference power line coupler and a use method thereof, and aims to overcome the defects that in the prior art, the anti-electromagnetic interference capability of a coupler used at present is limited, and the current coupler cannot be stably supported during installation. According to the invention, after the coupler is clamped on the supporting cover, the coupler can be stably supported, mounted and limited, and after the coupler is mounted, the angle of the coupler can be adjusted according to the trend of a power line on site, so that the coupler can be stably mounted and limited, and the mounting efficiency of the coupler is improved. According to the coupler, the grounding effect is achieved, certain convenience can be provided when the coupler is electrically connected with a power line, the anti-electromagnetic interference capacity of the coupler can be improved through the grounding effect, and therefore the coupler has good stability in actual use.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical communication transmission, and in particular to an electromagnetic interference-proof power line coupler and a use method thereof. Background Art

[0002] Power line communication refers to the transmission of data signals through power lines used to transmit power. Therefore, in a power line communication system, a power line coupler is required to couple the power line signal to a power line communication device such as a head end device.

[0003] According to the patent with announcement number CN202713294U, an electromagnetic interference-proof power line coupler is disclosed, which includes a housing, a coupling circuit and an electromagnetic shielding cover, wherein the coupling circuit is arranged in the housing and includes a circuit board, a transformer and multiple capacitors, and the electromagnetic shielding cover is fixed on the circuit board of the coupling circuit and covers the transformer; in this way, the electromagnetic interference of electromagnetic waves on the transformer in the environment where the power line coupler is set can be greatly reduced, and the coupling circuit is prevented from causing signal attenuation at a specific frequency, thereby providing a good coupling effect.

[0004] The couplers in the prior art still have some shortcomings in actual use:

[0005] 1. The current coupler body relies on an electromagnetic shielding cover to prevent electromagnetic interference. However, this method has limited anti-interference ability in actual use, resulting in limited anti-electromagnetic interference ability;

[0006] 2. The current coupler lacks a corresponding supporting and positioning device during actual installation, so that the position of the coupler is not stable enough after actual installation.

[0007] In view of the above problems, the present invention document proposes an electromagnetic interference-proof power line coupler and a method for using the same. Summary of the invention

[0008] The present invention provides an electromagnetic interference-proof power line coupler and a method for using the same, which solves the shortcomings of the couplers currently used in the prior art, namely, limited electromagnetic interference-proof capability and inability to achieve stable support during installation.

[0009] The present invention provides the following technical solutions:

[0010] An electromagnetic interference-proof power line coupler comprises a bracket and a coupler, wherein a circuit board is fixedly mounted in the coupler through a plurality of supporting screws, a capacitor, a transformer, a first power connection port and a second power connection port are electrically connected to the circuit board respectively, and ends of the first power connection port and the second power connection port that are away from each other extend to both sides of the coupler respectively, and the coupler further comprises:

[0011] An electromagnetic shielding cover and an electromagnetic shielding plate, wherein the electromagnetic shielding plate is fixedly mounted on the top of the circuit board, and the electromagnetic shielding cover is clamped on the top of the circuit board. The electromagnetic shielding cover and the electromagnetic shielding plate are used to provide anti-electromagnetic protection for capacitors and transformers;

[0012] A grounding mechanism, which is installed on the top of the circuit board, and one side of the grounding mechanism extends to the outside of the coupler, and is used to ground the circuit board to achieve anti-electromagnetic protection;

[0013] The bracket also features:

[0014] A rotating mechanism is installed on the top of the bracket, a support cover is connected to the rotating mechanism, the coupler is clamped in the support cover, the rotating mechanism is used to adjust the installation position of the coupler, and the grounding mechanism is installed on one side of the support cover;

[0015] The limiting mechanism is installed on the supporting cover and is used for positioning and installing the coupler.

[0016] In one possible design, the grounding mechanism includes a grounding rod electrically mounted on the top of the circuit board, one end of the grounding rod extends to the outside of the coupler and is electrically sleeved with a grounding socket, and the grounding socket and the bracket are electrically connected by the same grounding wire.

[0017] In one possible design, a heat dissipation aluminum plate is fixedly mounted on the top inner wall of the electromagnetic shielding cover, and a heat dissipation aluminum rod is fixedly mounted on the top of the heat dissipation aluminum plate, the top end of the heat dissipation aluminum rod extends to above the coupler, a bellows is mounted on the limiting mechanism, the top end of the heat dissipation aluminum rod extends into the bellows, and a fan is fixedly mounted on one side of the bellows.

[0018] In one possible design, the rotating mechanism includes a plurality of L-shaped connecting plates fixedly installed at equal intervals on the top of the bracket, a same support ring is fixedly installed on the plurality of L-shaped connecting plates, a rotating ring is rotatably connected to the top of the support ring, the rotating ring is fixedly installed on the bottom of the support cover, a same positioning assembly is connected to the plurality of L-shaped connecting plates, and the positioning assembly is respectively connected to the bottom of the support cover and the top of the bracket.

[0019] In one possible design, the positioning assembly includes a clamping ring rotatably connected to multiple L-shaped connecting plates, multiple bayonet holes are opened at equal intervals on the outer side of the clamping ring, multiple mounting rods are fixedly installed at equal intervals on the top of the clamping ring, the top of the multiple mounting rods are fixedly connected to the bottom of the support cover, the top of the bracket is slidably connected to two movable racks, the top of the bracket is rotatably connected to a driving gear located between the two movable racks, the driving gears are respectively meshed with the two movable racks, and the ends of the two movable racks away from each other are fixedly installed with L-shaped mounting plates, and a clamping plate is fixedly installed on the side of the L-shaped mounting plate close to the clamping ring, and the clamping plate is movably clamped with the multiple bayonet holes.

[0020] In a possible design, a fixing plate is fixedly installed on one side of the top of the bracket, a pull rod is slidably connected through the fixing plate, one end of the pull rod is fixedly connected to an L-shaped mounting plate close to one side of the pull rod, a first tension spring is sleeved on the pull rod, and both ends of the first tension spring are respectively fixedly connected to one side of the fixing plate and the other end of the pull rod.

[0021] In a possible design, the limiting mechanism includes an L-shaped fixing frame rotatably connected to one side of the support cover, the top of the L-shaped fixing frame extends to the top of the coupler and is clamped with the top of the coupler, one side of the L-shaped fixing frame is rotatably connected to a connecting hanging plate, the bellows is fixedly installed on the top of the L-shaped fixing frame, and a locking assembly is installed on the other side of the top of the support cover, and the locking assembly is clamped with the connecting hanging plate.

[0022] In a possible design, the locking assembly includes a support frame fixedly installed on the other side of the top of the support cover, a movable cover is slidably connected in the support frame, two support rods are symmetrically fixedly installed on the top of the movable cover, the top ends of the two support rods pass through the top inner wall of the support frame and extend to the top of the support frame, the top ends of the two support rods are fixedly installed with the same U-shaped frame, the inner side of the U-shaped frame is fixedly installed with a hanging rod, the hanging rod is clamped with the connecting hanging plate, a limit plate is fixedly installed on the side of the support frame away from the coupler, a rotating rod is rotatably connected to one side of the limit plate, an insertion rod is slidably connected to the rotating rod, the insertion rod is transmission-coordinated with the inner wall of the movable cover, a socket is opened on the inner wall of one side of the movable cover, the insertion rod is movably clamped with the socket, a third tension spring is sleeved on the insertion rod, and the two ends of the third tension spring are respectively fixedly connected to one side of the rotating rod and one end of the insertion rod.

[0023] In a possible design, the support rod is provided with a second tension spring located in the support frame, and the top and bottom ends of the second tension spring are respectively fixedly connected to the top inner wall of the support frame and the top of the movable cover, and the elastic potential energy of the second tension spring can provide an upward pulling force to the movable cover.

[0024] The method for using the electromagnetic interference-proof power line coupler comprises the following steps:

[0025] S1. First, install the bracket in the distribution box by bolting;

[0026] S2. Place the coupler in the support cover, then rotate the L-shaped fixing frame to wrap the coupler, and insert the heat dissipation aluminum rod into the bellows for ventilation and heat dissipation;

[0027] S3, after the connecting hanging plate and the hanging rod are snap-fitted, the rotating rod can be rotated downward, and the plug rod can be driven to move downward in an arc shape, so as to push the movable cover to move downward. When the movable cover moves downward, the two support rods can drive the U-shaped frame to move downward, so that the hanging rod can provide a downward pulling force to the connecting hanging plate, so that the L-shaped fixed frame can wrap and limit the coupler, and after the rotating rod is rotated to a vertical position, the plug rod can correspond to the insertion hole, and the third tension spring in a stressed state can use its elastic potential energy to pull the plug rod through the insertion hole to limit the rotating rod;

[0028] S4. The position of the support cover is rotated and adjusted according to the direction of the power line in the distribution box, so that the first power connection port and the second power connection port can be conveniently connected to the external power line. After the rotation adjustment of the position of the coupler is completed, the pull rod can be released, so that the two clamping plates move synchronously close to each other and are clamped with the corresponding clamping ports respectively;

[0029] S5, connecting the first power connection port and the second power connection port to an external power line;

[0030] S6. When the coupler is working, the heat dissipation aluminum plate with a large area can achieve the heat dissipation effect when the capacitor and the transformer are working, and the heat can be transported outward through the heat dissipation aluminum rod. At the same time, the fan can be started to ventilate the bellows, so as to cool down the heat dissipation aluminum rod.

[0031] It is to be understood that the foregoing general description and the following detailed description are exemplary only and are not restrictive of the invention.

[0032] In the present invention, by providing a grounding mechanism, after the coupler is placed in the support cover, the grounding rod can be inserted into the grounding socket, thereby providing grounding protection for the circuit board;

[0033] In the present invention, the rotating mechanism can be provided, and after the support ring and the rotating ring are connected to the support cover, the coupler can be installed on the support cover and can be rotated and adjusted, so that the angle at which the coupler is installed can be fine-tuned according to actual needs, so as to provide certain convenience when connecting with external wires in the later stage, so it has good convenience;

[0034] In the present invention, by means of the setting of the limiting mechanism, the coupler pair can be wrapped by flipping the L-shaped fixing frame, and the heat dissipation aluminum rod can be inserted into the bellows for ventilation and heat dissipation. After that, after the connecting hanging plate is connected to the locking assembly, the L-shaped fixing frame can be limited and supported, so that the L-shaped fixing frame has a clamping force to fix the coupler, so as to achieve stable braking of the coupler.

[0035] After the coupler is mounted on the support cover, the present invention can achieve stable support, installation and positioning of the coupler, and after the coupler is installed, the angle of the coupler can be adjusted according to the direction of the on-site power line, so that when the power line is electrically connected, it can provide certain convenience, and through the grounding effect, the anti-electromagnetic interference ability of the coupler can be improved, so that it can have good stability in actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 A three-dimensional schematic diagram of the first-view structure of an electromagnetic interference protection power line coupler provided by an embodiment of the present invention;

[0037] Figure 2 A three-dimensional schematic diagram of the structure of the power line coupler for electromagnetic interference protection provided by an embodiment of the present invention from a second viewing angle;

[0038] Figure 3 A three-dimensional schematic diagram of the side structure of the electromagnetic interference protection power line coupler provided by an embodiment of the present invention;

[0039] Figure 4 A three-dimensional schematic diagram of a bracket, a plurality of L-shaped connecting plates, a snap ring, two movable racks, a driving gear and two clamping plate connecting structures of an electromagnetic interference protection power line coupler provided in an embodiment of the present invention;

[0040] Figure 5 A three-dimensional schematic diagram of the structure of a coupler of an electromagnetic interference protection power line coupler provided by an embodiment of the present invention from a first perspective;

[0041] Figure 6 A three-dimensional schematic diagram of the structure of a coupler of the electromagnetic interference protection power line coupler provided by an embodiment of the present invention from a second viewing angle;

[0042] Figure 7 A three-dimensional schematic diagram of a cross-sectional structure of an electromagnetic shielding cover of an electromagnetic interference protection power line coupler provided by an embodiment of the present invention;

[0043] Figure 8 A three-dimensional schematic diagram of a supporting frame, a movable cover, two supporting rods, a U-shaped frame and a hanging rod connecting structure of an electromagnetic interference protection power line coupler provided in an embodiment of the present invention.

[0044] Reference numerals:

[0045] 1. Bracket; 2. L-shaped connecting plate; 3. Support ring; 4. Rotating ring; 5. Support cover; 6. Coupler; 7. Circuit board; 71. Support screw; 8. First power connection port; 81. Second power connection port; 9. Electromagnetic shielding cover; 91. Electromagnetic shielding plate; 10. Heat dissipation aluminum plate; 11. Heat dissipation aluminum rod; 12. Grounding rod; 13. Grounding socket; 14. Clamping ring; 15. Mounting rod; 16. Moving rack; 17. Driving gear; 18. L-shaped mounting plate; 19. Clamping plate; 20. Fixed plate; 21. Pull rod; 22. First tension spring; 23. L-shaped fixing frame; 24. Connecting hanging plate; 25. Support frame; 26. Moving cover; 27. Support rod; 28. U-shaped frame; 29. ​​Hanging rod; 30. Limiting plate; 31. Rotating rod; 32. Inserting rod; 33. Second tension spring; 34. Third tension spring; 35. Bellows; 36. Fan. DETAILED DESCRIPTION

[0046] The embodiments of the present invention are described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0047] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection" and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "connection" can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed" means that they are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present invention, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0048] Example 1

[0049] Reference Figure 5-Figure 7, an electromagnetic interference-proof power line coupler of the present embodiment includes a coupler 6, an electromagnetic shielding cover 9, an electromagnetic shielding plate 91 and a grounding mechanism. A circuit board 7 is fixedly installed in the coupler 6 through a plurality of supporting screws 71. A capacitor, a transformer, a first power connection port 8 and a second power connection port 81 (the same as in the patent with announcement number CN202713294U) are electrically connected to the circuit board 7 respectively. The ends of the first power connection port 8 and the second power connection port 81 that are away from each other extend to both sides of the coupler 6 respectively. The electromagnetic shielding plate 91 is fixedly installed on the top of the circuit board 7. The electromagnetic shielding cover 9 is clamped on the top of the circuit board 7. The electromagnetic shielding cover 9 and the electromagnetic shielding plate 91 are used to provide anti-electromagnetic protection for the capacitor and the transformer. The grounding mechanism is installed on the top of the circuit board 7, and one side of the grounding mechanism extends to the outside of the coupler 6. The grounding mechanism is used to ground the circuit board 7 to achieve anti-electromagnetic protection.

[0050] Reference Figure 6 The grounding mechanism includes a grounding rod 12 electrically mounted on the top of the circuit board 7. One end of the grounding rod 12 extends to the outside of the coupler 6 and is electrically sleeved with a grounding socket 13. The grounding socket 13 and the bracket 1 are electrically connected with the same grounding wire. After the coupler 6 is placed in the support cover 5, the grounding rod 12 can be inserted into the grounding socket 13, so that the circuit board 7 can be grounded for protection.

[0051] Reference Figure 7 A heat dissipation aluminum plate 10 is fixedly installed on the top inner wall of the electromagnetic shielding cover 9, and a heat dissipation aluminum rod 11 is fixedly installed on the top of the heat dissipation aluminum plate 10, and the top of the heat dissipation aluminum rod 11 extends to the top of the coupler 6. A bellows 35 is installed on the limiting mechanism, and the top of the heat dissipation aluminum rod 11 extends into the bellows 35. A fan 36 is fixedly installed on one side of the bellows 35. The heat dissipation aluminum plate 10 with a larger area can achieve the heat dissipation effect when the capacitor and the transformer are working, and the heat can be transported outward through the heat dissipation aluminum rod 11. At the same time, the fan 36 can be started to achieve the effect of ventilating the inside of the bellows 35, so as to cool the heat dissipation aluminum rod 11. Therefore, in actual use, the heat dissipation of the transformer and the capacitor can be continuously reduced to ensure that the two can work continuously and stably.

[0052] Example 2

[0053] Reference Figure 1-Figure 8This embodiment is based on the first embodiment. Regarding the electromagnetic interference protection power line coupler proposed in the first embodiment, it also has a bracket 1 for installing and positioning the coupler 6. The bracket 1 has a rotating mechanism and a limiting mechanism. The rotating mechanism is installed on the top of the bracket 1. The rotating mechanism is connected to a support cover 5. The coupler 6 is clamped in the support cover 5. The rotating mechanism is used to adjust the installation position of the coupler 6. The grounding mechanism is installed on one side of the support cover 5. The limiting mechanism is installed on the support cover 5. The limiting mechanism is used to position and install the coupler 6.

[0054] Reference Figure 4 The rotating mechanism includes a plurality of L-shaped connecting plates 2 fixedly installed at the top of the bracket 1 at equal intervals, a same supporting ring 3 is fixedly installed on the plurality of L-shaped connecting plates 2, a rotating ring 4 is rotatably connected to the top of the supporting ring 3, the rotating ring 4 is fixedly installed on the bottom of the supporting cover 5, a same positioning assembly is connected to the plurality of L-shaped connecting plates 2, the positioning assembly is respectively connected to the bottom of the supporting cover 5 and the top of the bracket 1, through the rotating connection between the supporting ring 3 and the rotating ring 4, after being connected with the supporting cover 5, the coupler 6 can be installed on the supporting cover 5 and can be rotated and adjusted, so that the installation angle of the coupler 6 can be fine-tuned according to actual needs, so as to provide certain convenience when connecting with external wires in the later stage, so it has good convenience, in the attached Figure 4 In the embodiment, the positioning assembly includes a snap ring 14 rotatably connected to a plurality of L-shaped connecting plates 2, a plurality of bayonet holes are provided at equal intervals on the outer side of the snap ring 14, a plurality of mounting rods 15 are fixedly installed at equal intervals on the top of the snap ring 14, the tops of the plurality of mounting rods 15 are fixedly connected to the bottom of the support cover 5, the top of the bracket 1 is slidably connected to two moving racks 16, the top of the bracket 1 is rotatably connected to a driving gear 17 located between the two moving racks 16, the driving gear 17 is respectively meshed with the two moving racks 16, an L-shaped mounting plate 18 is fixedly installed at one end of the two moving racks 16 away from each other, a clamping plate 19 is fixedly installed on the side of the L-shaped mounting plate 18 close to the snap ring 14, and the clamping plate 19 is respectively meshed with the plurality of The bayonet is movably clamped, and when the support cover 5 is rotated and adjusted, the clamping ring 14 can be driven to rotate, and after the rotation adjustment of the position of the support cover 5 is completed, when the L-shaped mounting plate 18 on one side is pushed close to the clamping ring 14, the movable rack 16 on one side can be driven to move, and the driving gear 17 can be rotated, and when the driving gear 17 rotates, the movable rack 16 on the other side can be driven to move toward each other through the meshing transmission action, so that the two clamping plates 19 can be synchronously moved close to each other and clamped with the corresponding bayonet respectively, so as to limit the position of the support cover 5, and further can stably limit the angle at which the coupler 6 is installed.

[0055] Reference Figure 4A fixing plate 20 is fixedly installed on one side of the top of the bracket 1, and a pull rod 21 is slidably connected to the fixing plate 20. One end of the pull rod 21 is fixedly connected to the L-shaped mounting plate 18 close to the side of the pull rod 21. A first tension spring 22 is sleeved on the pull rod 21, and the two ends of the first tension spring 22 are respectively fixedly connected to one side of the fixing plate 20 and the other end of the pull rod 21. By pulling the pull rod 21, the two clamping plates 19 can be moved out of the corresponding clamping ports respectively. However, under the elastic force of the first tension spring 22, when the clamping ring 14 is clamped, the two clamping plates 19 can be elastically limited under the action of the reverse pulling force of the pull rod 21, thereby preventing the two clamping plates 19 from being moved out of the corresponding clamping ports respectively, thereby stably limiting the clamping ring 14.

[0056] Reference Figure 1 The limiting mechanism includes an L-shaped fixing frame 23 rotatably connected to one side of the support cover 5, the top of the L-shaped fixing frame 23 extends to the top of the coupler 6 and is clamped with the top of the coupler 6, one side of the L-shaped fixing frame 23 is rotatably connected with a connecting hanging plate 24, and a bellows 35 is fixedly installed on the top of the L-shaped fixing frame 23. A locking assembly is installed on the other side of the top of the support cover 5, and the locking assembly is clamped with the connecting hanging plate 24. By flipping the L-shaped fixing frame 23, the coupler 6 is wrapped, and the heat dissipation aluminum rod 11 can be inserted into the bellows 35 for ventilation and heat dissipation. After that, after the connecting hanging plate 24 is connected to the locking assembly, the L-shaped fixing frame 23 can be limited and supported, so that the L-shaped fixing frame 23 has a clamping force to fix the coupler 6, so as to achieve stable braking of the coupler 6, and in the attached Figure 8In the embodiment, the locking assembly includes a support frame 25 fixedly mounted on the other side of the top of the support cover 5, a movable cover 26 is slidably connected in the support frame 25, two support rods 27 are symmetrically fixedly mounted on the top of the movable cover 26, the top ends of the two support rods 27 both penetrate the top inner wall of the support frame 25 and extend to the top of the support frame 25, the top ends of the two support rods 27 are fixedly mounted with the same U-shaped frame 28, a hanging rod 29 is fixedly mounted on the inner side of the U-shaped frame 28, the hanging rod 29 is clamped with the connecting hanging plate 24, a limit plate 30 is fixedly mounted on the side of the support frame 25 away from the coupler 6, a rotating rod 31 is rotatably connected to one side of the limit plate 30, a plug rod 32 is slidably connected to the rotating rod 31, the plug rod 32 is transmission-coordinated with the inner wall of the movable cover 26, a socket is provided on the inner wall of one side of the movable cover 26, the plug rod 32 is movably clamped with the socket, a third tension spring 34 is sleeved on the plug rod 32, and the third tension spring The two ends of the extension spring 34 are fixedly connected to one side of the rotating rod 31 and one end of the insertion rod 32 respectively. After the connecting hanging plate 24 and the hanging rod 29 are snap-fitted, the rotating rod 31 can be rotated downward, and the insertion rod 32 can be driven to move downward in an arc shape, thereby pushing the movable cover 26 to move downward. When the movable cover 26 moves downward, the two support rods 27 can drive the U-shaped frame 28 to move downward, so that the connecting hanging plate 24 can be provided with a downward pulling force through the hanging rod 29, so that the L-shaped fixing frame 23 can wrap and limit the coupler 6, and after the rotating rod 31 is rotated to the vertical position, the insertion rod 32 can correspond to the socket, and the third extension spring 34 in a stressed state can use its elastic potential energy to pull the insertion rod 32 through the socket to limit the rotating rod 31, so that the hanging rod 29 can be stably connected to the connecting hanging plate 24. Figure 8 In the figure, a second tension spring 33 located in the support frame 25 is sleeved on the support rod 27, and the top and bottom ends of the second tension spring 33 are fixedly connected to the top inner wall of the support frame 25 and the top of the movable cover 26 respectively. The elastic potential energy of the second tension spring 33 can provide an upward pulling force for the movable cover 26. When the braking limit of the movable cover 26 is released, the elastic force of the two second tension springs 33 can be used to pull the movable cover 26 upward, so that the hanging rod 29 can be moved upward, so that the clamping connection with the connecting hanging plate 24 can be released.

[0057] Working principle: First, the bracket 1 is installed in the distribution box by bolting, and then the coupler 6 can be placed in the support cover 5, and then the L-shaped fixing frame 23 can be rotated to wrap the coupler 6, and the heat dissipation aluminum rod 11 can be inserted into the bellows 35 for ventilation and heat dissipation. After the connecting hanging plate 24 and the hanging rod 29 are snap-fitted, the rotating rod 31 can be rotated downward, and the insertion rod 32 can be driven to move in an arc downward, so as to push the movable cover 26 to move downward. When the movable cover 26 moves downward, the two support rods 27 can drive the U-shaped frame 28 to move downward, so that the hanging rod 29 can provide a downward pulling force to the connecting hanging plate 24. The force is applied to the L-shaped fixing frame 23 so that the coupler 6 can be wrapped and limited. After the rotating rod 31 is rotated to the vertical position, the plug rod 32 can correspond to the socket. The third tension spring 34 in the stressed state can use its elastic potential energy to pull the plug rod 32 through the socket to limit the rotating rod 31, so that the hanging rod 29 can be stably connected to the connecting hanging plate 24. Further, the coupler 6 can be stably limited. After that, the position of the support cover 5 can be rotated and adjusted according to the direction of the power line in the distribution box, so that the first power connection port 8 and the second power connection port 81 can be conveniently connected to the external power line. After the position rotation adjustment is completed, the pull rod 21 can be released, and the first tension spring 22 in a stressed state can drive the pull rod 21 to move under the action of its elastic potential energy. At this time, when the L-shaped mounting plate 18 on one side is driven to approach the clamping ring 14, the moving rack 16 on one side can be driven to move, and the driving gear 17 can be rotated. When the driving gear 17 rotates, the moving rack 16 on the other side can be driven to move toward each other through the meshing transmission action, so that the two clamping plates 19 can be synchronously moved close to each other and respectively clamped with the corresponding bayonet ports to limit the position of the support cover 5, and further The angle at which the coupler 6 is installed can be stably limited, and then the first power connection port 8 and the second power connection port 81 can be connected to the external power line respectively. At the same time, when the coupler 6 is working, the heat dissipation aluminum plate 10 with a larger area can be used to achieve the heat dissipation effect when the capacitor and the transformer are working, and the heat can be transported outward through the heat dissipation aluminum rod 11. At the same time, the effect of ventilating the inside of the bellows 35 can be achieved by starting the fan 36, so that the heat dissipation aluminum rod 11 can be cooled and dissipated. Therefore, in actual use, the heat dissipation of the transformer and the capacitor can be continuously reduced to ensure that the two can work continuously and stably.

[0058] The present invention provides a method for using a power line coupler for preventing electromagnetic interference, comprising the following steps:

[0059] S1. First, install the bracket 1 in the distribution box by bolting;

[0060] S2, placing the coupler 6 in the support cover 5, and then rotating the L-shaped fixing frame 23 to wrap the coupler 6, and inserting the heat dissipation aluminum rod 11 into the bellows 35 for ventilation and heat dissipation;

[0061] S3. After the connecting hanging plate 24 and the hanging rod 29 are snap-fitted, the rotating rod 31 can be rotated downward, and the insertion rod 32 can be driven to move downward in an arc shape, so as to push the movable cover 26 to move downward. When the movable cover 26 moves downward, the two support rods 27 can drive the U-shaped frame 28 to move downward, so that the hanging rod 29 can provide a downward pulling force to the connecting hanging plate 24, so that the L-shaped fixing frame 23 can wrap and limit the coupler 6, and after the rotating rod 31 is rotated to the vertical position, the insertion rod 32 can correspond to the insertion hole, and the third tension spring 34 in a stressed state can use its elastic potential energy to pull the insertion rod 32 through the insertion hole to limit the rotating rod 31;

[0062] S4. The position of the support cover 5 is rotated and adjusted according to the direction of the power line in the distribution box, so that the first power connection port 8 and the second power connection port 81 can be conveniently connected to the external power line. After the rotation adjustment of the position of the coupler 6 is completed, the pull rod 21 can be released, so that the two clamping plates 19 move synchronously close to each other and are clamped with the corresponding clamping ports respectively;

[0063] S5, connecting the first power connection port 8 and the second power connection port 81 to an external power line;

[0064] S6. When the coupler 6 is working, the heat dissipation aluminum plate 10 with a larger area can achieve the heat dissipation effect when the capacitor and the transformer are working, and the heat can be transported outward through the heat dissipation aluminum rod 11. At the same time, the fan 36 can be started to achieve the effect of ventilating the inside of the bellows 35, so as to cool the heat dissipation aluminum rod 11.

[0065] However, as is well known to those skilled in the art, the working principles and wiring methods of the capacitor, transformer, first power port 8 and second power port 81 installed on the circuit board 7 are commonplace, and are all conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any selections according to their needs or convenience.

[0066] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention; the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A power line coupler for preventing electromagnetic interference, characterized in that: The invention comprises a bracket (1) and a coupler (6), wherein a circuit board (7) is fixedly mounted in the coupler (6) via a plurality of supporting screw tubes (71), a capacitor, a transformer, a first power connection port (8) and a second power connection port (81) are electrically connected to the circuit board (7), and ends of the first power connection port (8) and the second power connection port (81) that are away from each other extend to two sides of the coupler (6), respectively. The coupler (6) further comprises: An electromagnetic shielding cover (9) and an electromagnetic shielding plate (91), wherein the electromagnetic shielding plate (91) is fixedly mounted on the top of the circuit board (7), and the electromagnetic shielding cover (9) is clamped on the top of the circuit board (7). The electromagnetic shielding cover (9) and the electromagnetic shielding plate (91) are used to provide anti-electromagnetic protection for capacitors and transformers; A grounding mechanism, the grounding mechanism is mounted on the top of the circuit board (7), and one side of the grounding mechanism extends to the outside of the coupler (6), and the grounding mechanism is used to ground the circuit board (7) to achieve anti-electromagnetic protection; The support (1) also has: A rotating mechanism, the rotating mechanism is mounted on the top of the bracket (1), a support cover (5) is connected to the rotating mechanism, a coupler (6) is clamped in the support cover (5), the rotating mechanism is used to adjust the installation position of the coupler (6), and a grounding mechanism is mounted on one side of the support cover (5); A limiting mechanism is installed on the support cover (5) and is used to position and install the coupler (6).

2. The electromagnetic interference-proof power line coupler according to claim 1, characterized in that: The grounding mechanism comprises a grounding rod (12) electrically mounted on the top of the circuit board (7), one end of the grounding rod (12) extends to the outside of the coupler (6) and is electrically sleeved with a grounding socket (13), and the grounding socket (13) and the bracket (1) are electrically connected by a same grounding wire.

3. The electromagnetic interference-proof power line coupler according to claim 1, characterized in that: A heat dissipation aluminum plate (10) is fixedly mounted on the top inner wall of the electromagnetic shielding cover (9), and a heat dissipation aluminum rod (11) is fixedly mounted on the top of the heat dissipation aluminum plate (10), the top end of the heat dissipation aluminum rod (11) extends to the top of the coupler (6), a bellows (35) is mounted on the limiting mechanism, the top end of the heat dissipation aluminum rod (11) extends into the bellows (35), and a fan (36) is fixedly mounted on one side of the bellows (35).

4. The electromagnetic interference-proof power line coupler according to claim 1, characterized in that: The rotating mechanism comprises a plurality of L-shaped connecting plates (2) fixedly mounted at equal intervals on the top of the bracket (1); a same supporting ring (3) is fixedly mounted on the plurality of L-shaped connecting plates (2); a rotating ring (4) is rotatably connected to the top of the supporting ring (3); the rotating ring (4) is fixedly mounted on the bottom of the supporting cover (5); a same positioning assembly is connected to the plurality of L-shaped connecting plates (2); and the positioning assembly is respectively connected to the bottom of the supporting cover (5) and the top of the bracket (1).

5. The electromagnetic interference-proof power line coupler according to claim 4, characterized in that: The positioning assembly comprises a clamping ring (14) rotatably connected to a plurality of L-shaped connecting plates (2), a plurality of bayonet holes being provided at equal intervals on the outer side of the clamping ring (14), a plurality of mounting rods (15) being fixedly installed at equal intervals on the top of the clamping ring (14), the top ends of the plurality of mounting rods (15) being fixedly connected to the bottom of the support cover (5), the top of the bracket (1) being slidably connected to two movable racks (16), the top of the bracket (1) being rotatably connected to a driving gear (17) located between the two movable racks (16), the driving gear (17) being respectively meshed with the two movable racks (16), the two movable racks (16) being fixedly installed with an L-shaped mounting plate (18) at one end away from each other, a clamping plate (19) being fixedly installed on a side of the L-shaped mounting plate (18) close to the clamping ring (14), the clamping plate (19) being movably clamped with the plurality of bayonet holes respectively.

6. The electromagnetic interference-proof power line coupler according to claim 5, characterized in that: A fixing plate (20) is fixedly mounted on one side of the top of the bracket (1), a pull rod (21) is slidably connected through the fixing plate (20), one end of the pull rod (21) is fixedly connected to an L-shaped mounting plate (18) close to one side of the pull rod (21), a first tension spring (22) is sleeved on the pull rod (21), and two ends of the first tension spring (22) are respectively fixedly connected to one side of the fixing plate (20) and the other end of the pull rod (21).

7. The electromagnetic interference-proof power line coupler according to claim 1, characterized in that: The limiting mechanism comprises an L-shaped fixing frame (23) rotatably connected to one side of the support cover (5), the top of the L-shaped fixing frame (23) extends to the top of the coupler (6) and is clamped with the top of the coupler (6), one side of the L-shaped fixing frame (23) is rotatably connected to a connecting hanging plate (24), the bellows (35) is fixedly mounted on the top of the L-shaped fixing frame (23), and a locking assembly is installed on the other side of the top of the support cover (5), and the locking assembly is clamped with the connecting hanging plate (24).

8. The electromagnetic interference-proof power line coupler according to claim 7, characterized in that: The locking assembly comprises a support frame (25) fixedly mounted on the other side of the top of the support cover (5), a movable cover (26) being slidably connected inside the support frame (25), two support rods (27) being symmetrically fixedly mounted on the top of the movable cover (26), the top ends of the two support rods (27) both passing through the top inner wall of the support frame (25) and extending to the top of the support frame (25), a same U-shaped frame (28) being fixedly mounted on the top ends of the two support rods (27), a hanging rod (29) being fixedly mounted on the inner side of the U-shaped frame (28), the hanging rod (29) being clamped with the connecting hanging plate (24), and the support A limit plate (30) is fixedly installed on one side of the support frame (25) away from the coupler (6), one side of the limit plate (30) is rotatably connected to a rotating rod (31), a plug rod (32) is slidably connected to the rotating rod (31), the plug rod (32) is transmission-matched with the inner wall of the movable cover (26), a plug hole is opened on the inner wall of one side of the movable cover (26), the plug rod (32) is movably engaged with the plug hole, a third tension spring (34) is sleeved on the plug rod (32), and two ends of the third tension spring (34) are respectively fixedly connected to one side of the rotating rod (31) and one end of the plug rod (32).

9. The electromagnetic interference-proof power line coupler according to claim 8, characterized in that: The support rod (27) is sleeved with a second tension spring (33) located in the support frame (25); the top and bottom ends of the second tension spring (33) are respectively fixedly connected to the top inner wall of the support frame (25) and the top of the movable cover (26); the elastic potential energy of the second tension spring (33) can provide an upward pulling force to the movable cover 26.

10. The method for using the electromagnetic interference-proof power line coupler according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. First, the bracket (1) is installed in the distribution box by bolting; S2, placing the coupler (6) in the support cover (5), then rotating the L-shaped fixing frame (23) to wrap the coupler (6), and inserting the heat dissipation aluminum rod (11) into the bellows (35) for ventilation and heat dissipation; S3, after the connecting hanging plate (24) and the hanging rod (29) are snap-fitted together, the rotating rod (31) is rotated downward, thereby driving the insertion rod (32) to move downward in an arc shape, thereby pushing the movable cover (26) to move downward, and when the movable cover (26) moves downward, the two support rods (27) can drive the U-shaped frame (28) to move downward, thereby providing a downward pulling force to the connecting hanging plate (24) through the hanging rod (29), so that the L-shaped fixed frame (23) can wrap and limit the coupler (6), and after the rotating rod (31) is rotated to a vertical position, the insertion rod (32) corresponds to the insertion hole, and the third tension spring (34) in a stressed state uses its elastic potential energy to pull the insertion rod (32) through the insertion hole to limit the rotating rod (31); S4. The position of the support cover (5) is rotated and adjusted according to the direction of the power line in the distribution box, so that the first power connection port (8) and the second power connection port (81) can be conveniently connected to the external power line. After the rotation adjustment of the position of the coupler (6) is completed, the pull rod (21) is released, so that the two clamping plates (19) move synchronously toward each other and are clamped in the corresponding clamping ports respectively; S5, connecting the first power connection port (8) and the second power connection port (81) to an external power line; S6. When the coupler (6) is working, the heat dissipation aluminum plate (10) with a larger area can achieve the effect of heat dissipation when the capacitor and the transformer are working, and the heat is transported outward through the heat dissipation aluminum rod (11). At the same time, the fan (36) is started to achieve the effect of ventilating the inside of the bellows (35), thereby cooling and dissipating the heat of the heat dissipation aluminum rod (11).

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