Active power filter with protection structure

Abstract

The utility model discloses an active power filter with protection structure, including the cabinet body and sleeve, the upper and lower both ends of cabinet body all are installed two sets of sleeves, and sleeve is movably connected with the cabinet body, the inside of sleeve all is slidely arranged with the slide rod, the one end of slide rod is all set up rotation arm away from sleeve, the one end of rotation arm is all set up connecting shaft close to slide rod, and rotation arm is movably connected with slide rod through connecting shaft, the surface of slide rod all is covered with spring, and the both ends of spring are connected with slide rod and sleeve respectively, the one end of rotation arm is all fixedly installed with the rotation lever away from slide rod, and rotation lever is movably connected with the cabinet body, the bottom of rotation lever all is installed with the connecting arm, and the lateral wall of connecting arm all is installed with the protection board. The utility model not only has realized linkage elasticity to offset external impact force, has facilitated to the filter to carry out multiple position multiple way even heat dissipation, and moreover has improved the security and stability of use.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, specifically to an active power filter with a protective structure. Background Technology

[0002] A filter is a frequency-selective device that allows specific frequency components of a signal to pass through while significantly attenuating other frequency components. This frequency selection property of filters can be used to filter out interference noise or perform spectrum analysis. In other words, any device or system that allows specific frequency components of a signal to pass through while significantly attenuating or suppressing other frequency components is called a filter. Traditional filters are mostly directly fixed in a cabinet without external protection. When the filter cabinet is subjected to external impact, the internal components are directly impacted and easily damaged. To improve this situation, an active power filter with a protective structure has been proposed.

[0003] An active power filter with a protective structure, disclosed in authorization announcement number CN218482560U, includes a filter and fixed posts fixed at both ends of the filter. Fixed plates are fixed on the outer sides of both fixed posts, and a base plate is fixed on the bottom of the lower fixed post. Annular grooves are opened on the side of the two fixed plates that are close to each other. Storage boxes are fixed at both ends of the side of the fixed plates that are close to each other. Ball bearings are slidably arranged inside the annular grooves. Anti-collision strips are fixed between two longitudinally arranged balls. Connecting components are provided between two adjacent anti-collision strips. One anti-collision strip is fixedly connected to the inner wall of the storage box, and the other anti-collision strip has a connecting hole inside and a connecting mechanism is provided between it and the storage box. Although this utility model achieves the goal of providing external protection for the filter housing, preventing external impacts from directly affecting the filter housing and thus reducing impact damage to internal components; However, this does not solve the problem that existing filters are not conducive to offsetting external impact forces with linkage elasticity during use, nor to uniformly dissipating heat from multiple locations and through multiple paths, thus affecting the safety and stability of use. Utility Model Content

[0004] The purpose of this invention is to provide an active power filter with a protective structure to solve the problems mentioned in the background art, such as the filter's inability to effectively offset external impact forces through linkage elasticity, its difficulty in uniformly dissipating heat from multiple locations and through multiple paths, and its impact on the safety and stability of its use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an active power filter with a protective structure, comprising a cabinet and sleeves. Two sets of sleeves are installed at both the upper and lower ends of the cabinet, and the sleeves are movably connected to the cabinet. A sliding rod is slidably installed inside each sleeve. A rotating arm is provided at the end of each sliding rod away from the sleeve. A connecting shaft is provided at the end of each rotating arm near the sliding rod, and the rotating arm is movably connected to the sliding rod through the connecting shaft. A spring is fitted on the surface of each sliding rod, and the two ends of the spring are respectively connected to the sliding rod and the sleeve. A rotating rod is fixedly installed at the end of each rotating arm away from the sliding rod, and the rotating rod is movably connected to the cabinet. A connecting arm is installed at the bottom end of each rotating rod, and a protective plate is installed on the side wall of each connecting arm. Three sets of filter bodies are arranged at equal intervals inside the cabinet, and an aluminum block is installed at the bottom end of each filter body.

[0006] Preferably, the outer wall of the cabinet is provided with three sets of water tanks at equal intervals, each water tank is equipped with heat dissipation fins on its outer wall, and each heat dissipation fin is equipped with an external cooling fan on its side wall.

[0007] Preferably, each of the water tanks is provided with a water outlet pipe at the bottom, and each of the water tanks is provided with a water inlet pipe on the bottom side of the water outlet pipe.

[0008] Preferably, each of the aluminum blocks has a serpentine copper tube inside, and the two ends of the serpentine copper tube are connected to the inlet pipe and the outlet pipe, respectively.

[0009] Preferably, the cabinet above the filter body is equipped with an integrated board inside, and a servo motor is installed at the center of the bottom of the integrated board.

[0010] Preferably, each of the servo motors has a drive shaft mounted on its output end, and gears are fitted onto the surface of each drive shaft.

[0011] Preferably, sliders are slidably mounted on the bottom of the integrated boards on both sides of the servo motor, and racks are provided on the side of the sliders near the gears, with the racks meshing with the gears.

[0012] Preferably, each slider is equipped with an internal cooling fan at its bottom end, and the internal cooling fan is fixedly connected to the slider.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the filter not only realizes the linkage elasticity to offset the external impact force, which facilitates the uniform heat dissipation of the filter in multiple positions and through multiple paths, but also improves the safety and stability of use; (1) When the cabinet is subjected to external impact, the external object first touches the surface of the protective plate and drives the protective plate to rotate. The protective plate drives the connecting arm to rotate, the connecting arm drives the rotating rod to rotate, the rotating rod drives the rotating arm to rotate, and the rotating arm drives the sliding rod to slide and contract in the sleeve through the connecting shaft. The sliding rod compresses the spring and causes the spring to deform. Under the elastic support of the spring, the spring cancels the impact force transmitted to the sliding rod, thereby preventing the external object from directly hitting the cabinet and causing damage to the cabinet. It realizes the linkage elasticity to cancel the external impact force, avoids the impact of external objects, and improves the safety of use. (2) During use, the filter body will emit heat. The heat emitted by the filter body is conducted to the aluminum block and then to the serpentine copper tube. The water pump pumps the coolant in the water tank through the inlet pipe into the serpentine copper tube. After absorbing heat, the coolant flows back to the inside of the water tank through the outlet pipe. The coolant with heat conducts heat to the surface of the heat dissipation fins. The external heat dissipation fan blows air onto the heat dissipation fins to dissipate heat, thereby dissipating the coolant and realizing the circulation of the coolant. The aluminum block dissipates heat from the bottom of the filter body. At the same time, the servo motor can be turned on in both directions. The servo motor drives the gear to rotate back and forth through the drive shaft. The gear drives the rack to move back and forth. The rack drives the internal heat dissipation fan to swing back and forth through the slider. The internal heat dissipation fan swings back and forth from the top of the filter body to blow air evenly to dissipate heat, thereby better dissipating heat from the filter body and preventing the filter body from being affected by high temperature. This improves the stability of the filter body and realizes uniform heat dissipation from multiple positions and multiple paths, thus improving the stability of the filter. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a frontal cross-sectional view of the present invention. Figure 3 This is a top view cross-section and a three-dimensional structural diagram of the aluminum block of this utility model; Figure 4 This is a three-dimensional perspective structural diagram of the sleeve of this utility model; Figure 5 This is a three-dimensional structural diagram of the integrated board of this utility model.

[0015] In the diagram: 1. Cabinet; 2. Sleeve; 3. Slide rod; 4. Connecting shaft; 5. Rotating arm; 6. Rotating rod; 7. Connecting arm; 8. Protective plate; 9. Filter body; 10. Aluminum block; 11. Serpentine copper tube; 12. Water inlet pipe; 13. Water outlet pipe; 14. Water tank; 15. External cooling fan; 16. Heat dissipation fins; 17. Spring; 18. Integrated board; 19. Servo motor; 20. Drive shaft; 21. Gear; 22. Rack; 23. Internal cooling fan; 24. Slider. Detailed Implementation

[0016] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0017] Please see Figure 1-5 An embodiment of this utility model provides an active power filter with a protective structure, including a cabinet 1 and a sleeve 2. Two sets of sleeves 2 are installed at both the upper and lower ends of the cabinet 1, and the sleeves 2 are movably connected to the cabinet 1. A sliding rod 3 is slidably arranged inside each sleeve 2. A rotating arm 5 is provided at the end of the sliding rod 3 away from the sleeve 2. A connecting shaft 4 is provided at the end of the rotating arm 5 near the sliding rod 3, and the rotating arm 5 is movably connected to the sliding rod 3 through the connecting shaft 4. A spring 17 is fitted on the surface of each sliding rod 3, and the two ends of the spring 17 are respectively connected to the sliding rod 3 and the sleeve 2. A rotating rod 6 is fixedly installed at the end of the rotating arm 5 away from the sliding rod 3, and the rotating rod 6 is movably connected to the cabinet 1. A connecting arm 7 is installed at the bottom of each rotating rod 6, and a protective plate 8 is installed on the side wall of each connecting arm 7. Three sets of filter bodies 9 are arranged at equal intervals inside the cabinet 1, and an aluminum block 10 is installed at the bottom of each filter body 9. The electrical components of this device are controlled by an external PLC control cabinet. The PLC control cabinet is electrically connected to the input terminals of the electrical components via wires. When the cabinet 1 is subjected to an external impact, the object first touches the surface of the protective plate 8 and causes the protective plate 8 to rotate. The protective plate 8 then drives the connecting arm 7 to rotate, which in turn drives the rotating rod 6 to rotate. The rotating rod 6 then drives the rotating arm 5 to rotate, which in turn drives the sliding rod 3 to slide and retract within the sleeve 2 via the connecting shaft 4. The sliding rod 3 compresses the spring 17 and causes it to deform. Under the elastic support of the spring 17, the spring 17 cancels out the impact force transmitted to the sliding rod 3, thereby preventing the object from directly impacting the cabinet 1 and causing damage. This achieves linkage elasticity to cancel out the external impact force, avoiding impact from external objects and improving the safety of use. Three sets of water tanks 14 with equal spacing are provided on the outer wall of the cabinet 1. Heat dissipation fins 16 are installed on the outer wall of each water tank 14, and external heat dissipation fans 15 are installed on the side walls of each heat dissipation fin 16. Each water tank 14 is equipped with an outlet pipe 13 at the bottom and an inlet pipe 12 at the bottom of each water tank 14 on one side of the outlet pipe 13. Each aluminum block 10 is equipped with a serpentine copper tube 11, and the two ends of the serpentine copper tube 11 are connected to the inlet pipe 12 and the outlet pipe 13 respectively. The cabinet 1 above the filter body 9 is equipped with an integrated board 18. A servo motor 19 is installed at the center of the bottom of the integrated board 18. The servo motor 19 serves as the power drive. The output ends of the servo motor 19 are all equipped with drive shafts 20, and gears 21 are fitted on the surface of the drive shafts 20. The bottom ends of the integrated plates 18 on both sides of the servo motor 19 are all slidably mounted with sliders 24. The side of the slider 24 near the gear 21 is provided with a rack 22, and the rack 22 meshes with the gear 21. The bottom end of the slider 24 is equipped with an internal cooling fan 23, and the internal cooling fan 23 is fixedly connected to the slider 24. During use, the filter body 9 emits heat, which is conducted to the aluminum block 10 and then to the serpentine copper pipe 11. The water pump inside the water tank 14 is turned on, pumping the coolant from the tank through the inlet pipe 12 into the serpentine copper pipe 11. After absorbing heat, the coolant flows back to the tank through the outlet pipe 13. The heated coolant then conducts heat to the surface of the heat dissipation fins 16. The external cooling fan 15 is turned on, blowing air onto the heat dissipation fins 16 to cool the coolant, thus achieving coolant circulation. The aluminum block 10 dissipates heat from the bottom of the filter body 9. The heat is then transmitted through the PLC control cabinet. The system outputs forward and reverse signals, simultaneously activating the servo motor 19 in both directions. The servo motor 19 drives the gear 21 to reciprocate via the drive shaft 20. With the meshing of the gear 21 and rack 22, and the sliding engagement between the slider 24 and the integrated plate 18, the gear 21 drives the rack 22 to reciprocate. The rack 22, through the slider 24, drives the internal cooling fan 23 to reciprocate. The internal cooling fan 23 blows air evenly from the top of the filter body 9 to dissipate heat, thus better cooling the filter body 9 and preventing its performance from being affected by high temperatures. This improves the stability of the filter body 9 and achieves uniform heat dissipation from multiple locations and paths, enhancing the stability of the filter's operation.

[0018] Working principle: When cabinet 1 is impacted by an external object, the object first touches the surface of the protective plate 8 and causes the protective plate 8 to rotate. The protective plate 8 then drives the connecting arm 7 to rotate, which in turn drives the rotating rod 6 to rotate. The rotating rod 6 then drives the rotating arm 5 to rotate. The rotating arm 5, through the connecting shaft 4, drives the sliding rod 3 to slide and contract within the sleeve 2. The sliding rod 3 compresses the spring 17, causing it to deform. Under the elastic support of the spring 17, the spring 17 offsets the impact force transmitted to the sliding rod 3, thus preventing the object from directly impacting the cabinet 1 and causing damage. During use, the filter body 9 dissipates heat. The heat dissipated by the filter body 9 is conducted to the aluminum block 10 and then to the serpentine copper pipe 11. The water pump pumps the coolant in the water tank 14 through the inlet pipe 12 into the serpentine copper pipe 11. After absorbing heat, the coolant flows out through the outlet pipe. Pipe 13 returns to the interior of water tank 14. The heated coolant conducts heat to the surface of heat dissipation fins 16. External cooling fan 15 blows air onto heat dissipation fins 16 to cool the coolant, thus achieving coolant recycling. Aluminum block 10 dissipates heat from the bottom of filter body 9. At the same time, servo motor 19 can be turned on in both directions. Servo motor 19 drives gear 21 to rotate back and forth through drive shaft 20. Gear 21 drives rack 22 to move back and forth. Rack 22 drives internal cooling fan 23 to swing back and forth through slider 24. Internal cooling fan 23 blows air evenly from the top of filter body 9 to better dissipate heat and prevent filter body 9 from affecting its working performance due to high temperature. The above is the complete usage of active power filter with protective structure.

[0019] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any indirect modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. An active power filter with a protective structure, comprising a cabinet (1) and a sleeve (2), characterized in that: Two sets of sleeves (2) are installed at both the top and bottom of the cabinet (1), and the sleeves (2) are movably connected to the cabinet (1). A sliding rod (3) is slidably installed inside each sleeve (2). A rotating arm (5) is installed at the end of each sliding rod (3) away from the sleeve (2), and a connecting shaft (4) is installed at the end of each rotating arm (5) near the sliding rod (3). The rotating arm (5) is movably connected to the sliding rod (3) through the connecting shaft (4). A spring (17) is fitted onto the surface of each sliding rod (3), and the spring ( 17) is connected to the slide rod (3) and sleeve (2) at both ends respectively. The rotating arm (5) is fixedly installed with a rotating rod (6) at the end away from the slide rod (3), and the rotating rod (6) is movably connected to the cabinet (1). The bottom end of the rotating rod (6) is installed with a connecting arm (7), and the side wall of the connecting arm (7) is installed with a protective plate (8). Three sets of filter bodies (9) are arranged at equal intervals inside the cabinet (1). The bottom end of the filter body (9) is installed with an aluminum block (10).

2. The active power filter with a protective structure according to claim 1, characterized in that: The cabinet (1) has three sets of water tanks (14) spaced at equal intervals on its outer wall. Each water tank (14) has heat dissipation fins (16) installed on its outer wall, and each heat dissipation fin (16) has an external heat dissipation fan (15) installed on its side wall.

3. An active power filter with a protective structure according to claim 2, characterized in that: Each of the water tanks (14) is provided with an outlet pipe (13) at the bottom, and each of the water tanks (14) on one side of the outlet pipe (13) is provided with an inlet pipe (12).

4. An active power filter with a protective structure according to claim 1, characterized in that: The interior of each aluminum block (10) is provided with a serpentine copper tube (11), and the two ends of the serpentine copper tube (11) are connected to the water inlet pipe (12) and the water outlet pipe (13) respectively.

5. An active power filter with a protective structure according to claim 1, characterized in that: The cabinet (1) above the filter body (9) is equipped with an integrated board (18), and a servo motor (19) is installed at the center of the bottom of the integrated board (18).

6. An active power filter with a protective structure according to claim 5, characterized in that: The output ends of the servo motors (19) are all equipped with drive shafts (20), and gears (21) are fitted on the surface of the drive shafts (20).

7. An active power filter with a protective structure according to claim 5, characterized in that: The bottom of the integrated plate (18) on both sides of the servo motor (19) is slidably mounted with sliders (24). Each slider (24) is provided with a rack (22) on the side near the gear (21), and the rack (22) meshes with the gear (21).

8. An active power filter with a protective structure according to claim 7, characterized in that: The bottom of each slider (24) is equipped with an internal cooling fan (23), and the internal cooling fan (23) is fixedly connected to the slider (24).

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