Electromagnetic compatibility anti-jamming device convenient to install
The design of the positioning plate and winding assembly solves the problem of low installation efficiency of electromagnetic compatibility anti-interference devices, achieving rapid positioning and efficient heat dissipation, thereby improving the installation efficiency and service life of the equipment.
Patent Information
- Application Number
- CN202520503099.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-21
AI Technical Summary
The installation process of existing electromagnetic compatibility (EMC) jammers is cumbersome, especially since they rely on bolts for fixing, resulting in low installation efficiency and potential space limitations.
The design incorporates a positioning plate, a winding assembly, and a fan. The positioning plate enables quick positioning and installation, while the winding wheel and springs facilitate rapid positioning. The fan and conveying pipes enhance heat dissipation efficiency and cleanliness.
It enables rapid and stable installation of electromagnetic compatibility (EMC) anti-interference devices, improves installation efficiency, enhances heat dissipation and equipment cleanliness, and extends service life.
Smart Images

Figure CN223943075U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of anti-interference device technology, and in particular to an electromagnetic compatibility anti-interference device that is easy to install. Background Technology
[0002] Electromagnetic compatibility (EMC) jammers are devices used to enhance the EMC and anti-interference capabilities of equipment. Through effective interference suppression, they ensure the stable operation of electronic equipment in complex electromagnetic environments, reduce malfunctions and downtime, prevent the influence of external electromagnetic interference on signals, maintain signal clarity and accuracy, ensure the reliability of data transmission, and make the equipment comply with relevant EMC standards. This is crucial for many industries (such as medical, communications, and industrial control), helps improve market competitiveness, and has good anti-interference capabilities, resisting the effects of electromagnetic waves, static electricity, and other interference sources, thereby improving the reliability of the equipment.
[0003] However, most existing electromagnetic compatibility (EMC) jammers rely on bolts for installation, which is often inefficient. This method requires a lot of time for precise alignment and tightening, and may also make the installation process more cumbersome due to space limitations or interference from other devices. To improve installation efficiency and simplify the operation process, we propose an easy-to-install EMC jammer. Utility Model Content
[0004] The purpose of this invention is to solve the problem of inconvenient quick positioning and installation in the prior art, and to propose an electromagnetic compatibility anti-interference device that is easy to install.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] An easily installable electromagnetic compatibility (EMC) anti-interference device includes a filter and a threaded head fixedly mounted on the filter. A support plate is fixedly mounted on the bottom of the filter. The support plate has symmetrically arranged sliding grooves inside and a movable groove inside, with the sliding grooves communicating with the movable grooves. A positioning plate passes through the sliding grooves. A partition plate is fixedly mounted inside the movable groove. Connecting plates are symmetrically arranged inside the movable groove, with one end of the positioning plate fixedly connected to the connecting plate. A driving component for driving the movement of the connecting plate is provided inside the partition plate. Springs are arranged in an array on the partition plate, with the other end of the springs fixedly connected to the connecting plate. A housing is fixedly mounted on the filter, and a winding component is provided inside the housing.
[0007] Preferably, the drive assembly includes a through-tube, a limiting frame, a connecting rope, a slide rail, and a pull rope. The through-tube is fixed inside the partition plate, the limiting frame is fixed inside the through-tube, the connecting rope passes through the limiting frame and one end of the connecting rope is fixedly connected to the connecting plate, the slide rail is disposed inside the partition plate and communicates with the through-tube, the pull rope passes through the slide rail and one end of the pull rope is connected to the connecting rope, and the other end of the pull rope is connected to the winding assembly.
[0008] Preferably, the winding assembly includes a winding wheel, a knob, and a positioning mechanism. The winding wheel is rotatably disposed inside the housing. The knob is disposed on one side of the housing, and the winding wheel is fixedly connected to the center of the knob. The positioning mechanism is disposed on the knob.
[0009] Preferably, the housing has a positioning hole on its circumference, and the positioning hole is located on one side of the knob. A limit groove is fixedly installed inside the housing, and the pull rope passes through the limit groove and is fixedly connected to the winding wheel.
[0010] Preferably, the positioning mechanism includes a threaded cylinder, a threaded rod, and a rotating disk. The threaded cylinder is fixed inside the knob, the threaded rod is threadedly connected inside the threaded cylinder, and one end of the threaded rod extends into the corresponding positioning hole. The center position of the rotating disk is fixedly connected to one end of the threaded rod.
[0011] Preferably, the bottom of the support plate is provided with positioning suction cups.
[0012] Preferably, a frame is fixedly installed inside the housing, a filter screen is fixedly installed on the frame, and a fan is fixedly installed inside the frame, with the fan located on one side of the filter screen.
[0013] Preferably, the output end of the fan is fixedly connected to a delivery pipe, and one end of the delivery pipe is connected to a filter.
[0014] Preferably, the filter is symmetrically provided with flow dividers, and the flow dividers are connected to the filter, and the flow dividers are arrayed with air jet holes.
[0015] Preferably, the jet nozzle and the filter plane are on the same horizontal line.
[0016] This utility model has the following advantages compared with the prior art:
[0017] 1. This utility model facilitates the rapid positioning and installation of an electromagnetic compatibility (EMC) anti-interference device by using an installed positioning plate. The knob is no longer restricted, causing the winding wheel to rotate in the opposite direction, loosening the pull rope, and removing the restriction on the connecting plate. This allows the spring to reset, pushing the connecting plate to move and reset, which in turn moves the positioning plate into the preset slot. This ensures the convenient positioning and installation of the EMC anti-interference device, improving installation efficiency.
[0018] 2. This utility model improves the heat dissipation efficiency of an easily installed electromagnetic compatibility anti-interference device by using an installed fan and conveying pipe. The fan generates wind power when it operates. After the wind power flows into the conveying pipe, it causes the air to flow into the filter. As the air flows, it carries heat. The wind power carrying heat into the filter enters the distribution channel and then flows to the outside through the air jet holes, thereby improving the heat dissipation efficiency.
[0019] 3. This utility model facilitates the cleaning of the surface of the easily installed electromagnetic compatibility anti-interference device by installing air jet holes. The air jet holes will cause airflow to the surface of the filter, which can remove impurities adsorbed on the surface of the filter, thereby improving the cleanliness of the easily installed electromagnetic compatibility anti-interference device and preventing impurities from adsorbing on the filter surface and affecting the heat dissipation efficiency of the filter. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of an electromagnetic compatibility anti-interference device that is easy to install according to this utility model.
[0021] Figure 2 A schematic diagram of the support plate structure for an electromagnetic compatibility anti-interference device that is easy to install according to this utility model;
[0022] Figure 3 A schematic diagram of the positioning plate structure for an easily installable electromagnetic compatibility anti-interference device proposed in this utility model;
[0023] Figure 4 A schematic diagram of the positioning suction cup structure of an electromagnetic compatibility anti-interference device that is easy to install according to this utility model;
[0024] Figure 5 This is a schematic diagram of the housing structure of an electromagnetic compatibility anti-interference device that is easy to install according to this utility model;
[0025] Figure 6 A schematic diagram of the pull rope structure of an electromagnetic compatibility anti-interference device that is easy to install according to this utility model;
[0026] Figure 7 A schematic diagram of the diversion groove structure of an electromagnetic compatibility anti-interference device that is easy to install according to this utility model;
[0027] Figure 8 This is a schematic diagram of the delivery pipe structure of an electromagnetic compatibility anti-interference device that is easy to install, as proposed in this utility model.
[0028] In the diagram: 1. Filter; 2. Threaded head; 3. Support plate; 4. Slide groove; 5. Positioning plate; 6. Movable groove; 7. Connecting plate; 8. Spring; 9. Divider plate; 10. Through cylinder; 11. Limiting frame; 12. Connecting rope; 13. Slide rail; 14. Pull rope; 15. Housing; 16. Rewinding reel; 17. Knob; 18. Threaded cylinder; 19. Threaded rod; 20. Rotating disk; 21. Positioning hole; 22. Limiting groove; 23. Positioning suction cup; 24. Frame; 25. Filter screen; 26. Fan; 27. Conveying pipe; 28. Diverter groove; 29. Air jet hole. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0030] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0031] Reference Figure 1-8An easy-to-install electromagnetic compatibility (EMC) anti-interference device includes a filter 1 and a threaded head 2 fixedly mounted on the filter 1. A support plate 3 is fixedly mounted on the bottom of the filter 1. Slide grooves 4 are symmetrically arranged inside the support plate 3. Movable grooves 6 are also arranged inside the support plate 3, and the slide grooves 4 and 6 are connected. A positioning plate 5 passes through the slide groove 4. A partition plate 9 is fixedly mounted inside the movable groove 6. Connecting plates 7 are symmetrically arranged inside the movable groove 6, and one end of the positioning plate 5 is fixedly connected to the connecting plate 7. A drive assembly for driving the movement of the connecting plate 7 is arranged inside the partition plate 9. Springs 8 are arrayed on the partition plate 9, and the other end of each spring 8 is fixedly connected to the connecting plate 7. A housing 15 is fixedly mounted on the filter 1. The 15 unit has an internal winding assembly. When using an easy-to-install electromagnetic compatibility (EMC) anti-interference device, the filter 1 is installed at a predetermined location. A slot corresponding to the positioning plate 5 is provided at the installation location. The connecting plate 7 is moved by the drive assembly. When the connecting plate 7 moves, it will drive the positioning plate 5 to slide into the slide groove 4, thereby moving the filter 1. The positioning plate 5 is positioned on one side of the slot. When the drive assembly stops pulling the connecting plate 7, the spring 8 returns to its original position and pushes the connecting plate 7 to move. When the connecting plate 7 moves, it will drive the positioning plate 5 to move. After the positioning plate 5 moves into the slot, it will position and install the filter 1, thereby achieving the purpose of quickly installing the easy-to-install EMC anti-interference device and improving installation efficiency.
[0032] Reference Figure 2 and Figure 6 The driving assembly includes a through-tube 10, a limiting frame 11, a connecting rope 12, a slide rail 13, and a pull rope 14. The through-tube 10 is fixed inside the partition plate 9, the limiting frame 11 is fixed inside the through-tube 10, the connecting rope 12 passes through the limiting frame 11, and one end of the connecting rope 12 is fixedly connected to the connecting plate 7. The slide rail 13 is located inside the partition plate 9 and is connected to the through-tube 10. The pull rope 14 passes through the slide rail 13, and one end of the pull rope 14 is connected to the connecting rope 12. The other end of the pull rope 14 is connected to the winding assembly. Pulling the pull rope 14 to slide inside the slide rail 13 will cause the connecting rope 12 to move. The limiting frame 11 will guide and limit the connecting rope 12, so that the movement of the connecting rope 12 will pull the connecting plate 7 to move, and then the connecting plate 7 will drive the positioning plate 5 to move into the slide groove 4.
[0033] Reference Figure 5 and Figure 8The winding assembly includes a winding wheel 16, a knob 17, and a positioning mechanism. The winding wheel 16 is rotatably mounted inside the housing 15. The knob 17 is located on one side of the housing 15, and the winding wheel 16 and the knob 17 are fixedly connected at their center positions. The positioning mechanism is located on the knob 17. Rotating the knob 17 will drive the winding wheel 16. When the winding wheel 16 rotates, it will wind up the pull rope 14, thereby causing the pull rope 14 to move. After the pull rope 14 is wound to a predetermined length, the positioning mechanism can position the knob 17, thereby moving the pull rope 14. Positioning is performed at position 4, limiting the positioning plate 5 to a predetermined position. When positioning the electromagnetic compatibility anti-interference device for easy installation, the positioning mechanism moves and no longer limits the knob 17, and then rotates the knob 17 in the opposite direction, causing the winding wheel 16 to rotate in the opposite direction, loosening the pull rope 14, and no longer limiting the connecting plate 7. Then the spring 8 resets, which can push the connecting plate 7 to move and reset, and then drive the positioning plate 5 into the preset slot, thereby positioning and installing the electromagnetic compatibility anti-interference device for easy installation.
[0034] Reference Figure 5 The housing 15 has a positioning hole 21 on its circumference, and the positioning hole 21 is located on one side of the knob 17. A limit groove 22 is fixedly installed inside the housing 15, and the pull rope 14 passes through the limit groove 22 and is fixedly connected to the winding wheel 16. The housing 15 provides installation space for the positioning hole 21, and the limit groove 22 is used to limit the pull rope 14 so that the pull rope 14 moves smoothly.
[0035] Reference Figure 5 The positioning mechanism includes a threaded cylinder 18, a threaded rod 19, and a rotating disk 20. The threaded cylinder 18 is fixed inside the knob 17. The threaded rod 19 is threadedly connected inside the threaded cylinder 18, and one end of the threaded rod 19 extends into the corresponding positioning hole 21. The center position of the rotating disk 20 is fixedly connected to one end of the threaded rod 19. Rotating the rotating disk 20 will drive the threaded rod 19 to rotate. When the threaded rod 19 rotates, it will move its position through the threaded cylinder 18. After the threaded rod 19 moves into the positioning hole 21, it will position the rotating disk 20.
[0036] Reference Figure 4 The bottom of the support plate 3 is equipped with a positioning suction cup 23. When installing the easy-to-install electromagnetic compatibility anti-interference device, after moving the filter 1 to the installation location, pressing the filter 1 will create a negative pressure inside the positioning suction cup 23, which can temporarily position the easy-to-install electromagnetic compatibility anti-interference device, thereby improving the stability of the installation.
[0037] Reference Figure 5A frame 24 is fixedly installed inside the housing 15, and a filter 25 is fixedly installed on the frame 24. A fan 26 is fixedly installed inside the frame 24, and the fan 26 is located on one side of the filter 25. The housing 15 provides installation space for the frame 24, and the frame 24 provides installation space for the fan 26. When outside air enters the interior of the frame 24, the filter 25 will filter and purify the air.
[0038] Reference Figure 5 and Figure 8 The output end of the fan 26 is fixedly connected to the conveying pipe 27, and one end of the conveying pipe 27 is connected to the filter 1. When the fan 26 is working, it will generate wind. After the wind flows into the conveying pipe 27, it will cause the air to flow into the filter 1 through the conveying pipe 27. In this way, the air will carry heat when it flows.
[0039] Reference Figure 1 and Figure 8 The filter 1 is symmetrically provided with flow dividers 28, which are connected to the filter 1. The flow dividers 28 are arrayed with air jets 29, which are at the same horizontal level as the plane of the filter 1. When the airflow enters the filter 1, it carries heat into the flow dividers 28 and then flows out through the air jets 29, thereby improving the heat dissipation efficiency and extending the service life of the easy-to-install electromagnetic compatibility (EMC) anti-interference device. The air jets 29 also direct the airflow to the surface of the filter 1, which can remove impurities adsorbed on the surface of the filter 1, thereby improving the cleanliness of the easy-to-install EMC anti-interference device and preventing impurities from adsorbing on the surface of the filter 1 and affecting the heat dissipation efficiency of the filter 1.
[0040] The specific working principle of this utility model is as follows: First, when using the easy-to-install electromagnetic compatibility anti-interference device, the filter 1 is installed at a predetermined location. A slot corresponding to the positioning plate 5 is provided at the installation location. Rotating the knob 17 will drive the winding wheel 16. When the winding wheel 16 rotates, it will wind up the pull rope 14, causing the pull rope 14 to move. After winding the pull rope 14 to a predetermined length, rotating the rotating disk 20 will drive the threaded rod 19 to rotate. When the threaded rod 19 rotates, it will move its position through the threaded cylinder 18. After the threaded rod 19 moves into the positioning hole 21, it will position the rotating disk 20, thereby positioning the pull rope 14, limiting the positioning plate 5 to a predetermined position. When the positioning plate 5 resets to position the easy-to-install electromagnetic compatibility anti-interference device, the positioning mechanism will no longer limit the knob 17. Then, rotating the knob 17 in the opposite direction will cause the winding wheel 16 to rotate in the opposite direction, loosening the pull rope 14 and no longer limiting the connecting plate 7. When the spring 8 returns to its original position, it can push the connecting plate 7 to move and reset, which in turn will drive the positioning plate 5 into the preset slot, thereby positioning and installing the easy-to-install electromagnetic compatibility anti-interference device, improving installation efficiency. During operation, the fan 26 generates wind force, which flows into the delivery pipe 27 and then into the filter 1. The air flow carries heat, and the air flow carrying heat into the filter 1 enters the diversion groove 28. After passing through the jet hole 29, the air flow is directed to the outside, thereby improving heat dissipation efficiency and extending the service life of the easy-to-install electromagnetic compatibility anti-interference device. The jet hole 29 directs the air flow to the surface of the filter 1, which can remove impurities adsorbed on the surface of the filter 1, thereby improving the cleanliness of the easy-to-install electromagnetic compatibility anti-interference device and preventing impurities from adsorbing on the surface of the filter 1 and affecting the heat dissipation efficiency of the filter 1.
[0041] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. An easily installable electromagnetic compatibility (EMC) anti-interference device, comprising a filter (1) and a threaded head (2) fixedly mounted on the filter (1), characterized in that, The filter (1) is fixedly mounted with a support plate (3). The support plate (3) is symmetrically provided with a sliding groove (4). The support plate (3) is provided with a movable groove (6). The sliding groove (4) is connected to the movable groove (6). A positioning plate (5) is inserted through the sliding groove (4). A partition plate (9) is fixedly mounted inside the movable groove (6). A connecting plate (7) is symmetrically provided inside the movable groove (6). One end of the positioning plate (5) is fixedly connected to the connecting plate (7). A driving component for driving the connecting plate (7) is provided inside the partition plate (9). Springs (8) are arrayed on the partition plate (9). The other end of the springs (8) is fixedly connected to the connecting plate (7). A housing (15) is fixedly mounted on the filter (1). A winding component is provided inside the housing (15).
2. The easily installable electromagnetic compatibility anti-interference device according to claim 1, characterized in that, The drive assembly includes a through cylinder (10), a limiting frame (11), a connecting rope (12), a slide rail (13), and a pull rope (14). The through cylinder (10) is fixed inside the partition plate (9). The limiting frame (11) is fixed inside the through cylinder (10). The connecting rope (12) passes through the limiting frame (11), and one end of the connecting rope (12) is fixedly connected to the connecting plate (7). The slide rail (13) is set inside the partition plate (9), and the slide rail (13) is connected to the through cylinder (10). The pull rope (14) passes through the slide rail (13), and one end of the pull rope (14) is connected to the connecting rope (12). The other end of the pull rope (14) is connected to the winding assembly.
3. The easily installable electromagnetic compatibility anti-interference device according to claim 2, characterized in that, The winding assembly includes a winding wheel (16), a knob (17), and a positioning mechanism. The winding wheel (16) is rotatably disposed inside the housing (15). The knob (17) is disposed on one side of the housing (15), and the winding wheel (16) is fixedly connected to the center of the knob (17). The positioning mechanism is disposed on the knob (17).
4. The easily installable electromagnetic compatibility anti-interference device according to claim 3, characterized in that, The housing (15) is provided with a positioning hole (21) around its circumference, and the positioning hole (21) is located on one side of the knob (17). A limiting groove (22) is fixedly installed inside the housing (15), and the pull rope (14) passes through the limiting groove (22) and is fixedly connected to the winding wheel (16).
5. The easily installable electromagnetic compatibility anti-interference device according to claim 4, characterized in that, The positioning mechanism includes a threaded cylinder (18), a threaded rod (19), and a rotating disk (20). The threaded cylinder (18) is fixed inside the knob (17). The threaded rod (19) is threadedly connected inside the threaded cylinder (18), and one end of the threaded rod (19) extends into the corresponding positioning hole (21). The center position of the rotating disk (20) is fixedly connected to one end of the threaded rod (19).
6. The easily installable electromagnetic compatibility anti-interference device according to claim 1, characterized in that, The bottom of the support plate (3) is provided with positioning suction cups (23).
7. The easily installable electromagnetic compatibility anti-interference device according to claim 1, characterized in that, A frame (24) is fixedly installed inside the housing (15), a filter screen (25) is fixedly installed on the frame (24), and a fan (26) is fixedly installed inside the frame (24), with the fan (26) located on one side of the filter screen (25).
8. The easily installable electromagnetic compatibility anti-interference device according to claim 7, characterized in that, The output end of the fan (26) is fixedly connected to a conveying pipe (27), and one end of the conveying pipe (27) is connected to the filter (1).
9. The easily installable electromagnetic compatibility anti-interference device according to claim 8, characterized in that, The filter (1) is symmetrically provided with flow dividers (28), and the flow dividers (28) are connected to the filter (1). The flow dividers (28) are arrayed with jet holes (29).
10. The easily installable electromagnetic compatibility anti-interference device according to claim 9, characterized in that, The jet hole (29) and the filter (1) plane are on the same horizontal line.