Power capacitor with high safety performance

Abstract

The utility model belongs to the technical field of power capacitors, and particularly relates to a power capacitor with high safety performance, which comprises a capacitor main body, and is characterized by further comprising a fixing mechanism which is arranged at the bottom of the capacitor main body and used for fixing the capacitor main body, and the fixing mechanism comprises a positioning plate of which one end is rotatably provided with a screw rod; a first through hole for the screw rod to penetrate through is formed in one end, close to the positioning plate, of the adjusting plate; the replaceable part is arranged on the adjusting plate, a threaded hole matched with the screw rod is formed in the center of the replaceable part, and the threaded hole communicates with the first through hole; the positioning plate and the adjusting plate are respectively provided with an arc-shaped groove matched with the capacitor body. The replaceable part has the beneficial effects that only the replaceable part can be replaced when the thread is worn, and the whole adjusting plate does not need to be replaced, so that the maintenance process is simplified, and the cost is reduced.

Description

Technical Field

[0001] This application belongs to the field of power capacitor technology, and in particular relates to a power capacitor with high safety performance. Background Technology

[0002] Power capacitors are capacitors used in power systems and electrical equipment. With the development of power capacitor technology, they are widely used in factory power distribution systems, residential power distribution systems, commercial buildings, traffic tunnel power distribution systems, outdoor distribution boxes and other fields.

[0003] Patent CN221304460U discloses a power capacitor, including a capacitor body. A mounting mechanism is provided at the bottom of the capacitor body, comprising a left mounting plate and a right mounting plate. By rotating an adjusting screw, the left and right mounting plates are brought closer together through the screwing action of the screw and the screw hole. The left and right mounting plates press against both sides of the capacitor body, causing protrusions to engage and lock into the slots, thereby fixing the capacitor body in place.

[0004] The aforementioned patented adjustment screw, left mounting plate, and right mounting plate work together to fix the capacitor body. While this achieves a fixing effect, relying on threaded connections presents certain problems. Once the threads wear down, the right mounting plate will no longer be able to fix the capacitor body. Replacing the right mounting plate would require replacing the entire right mounting plate, which is cumbersome and costly, and therefore requires improvement. Summary of the Invention

[0005] The purpose of this application is to provide a high-safety-performance power capacitor that can solve the above-mentioned problems.

[0006] The purpose of this application is to provide a high-safety-performance power capacitor, including a capacitor body, characterized in that it further includes:

[0007] A fixing mechanism, located at the bottom of the capacitor body, is used to fix the capacitor body. The fixing mechanism includes:

[0008] The positioning plate has a screw that can be rotatably installed at one end;

[0009] The adjusting plate has a first through hole at one end near the positioning plate for the screw to pass through;

[0010] A replaceable part is provided on the adjustment plate, and a threaded hole adapted to the screw is provided in the center of the part, which is connected to the first through hole;

[0011] Both the positioning plate and the adjustment plate are equipped with arc-shaped grooves that fit the capacitor body.

[0012] The aforementioned high-safety power capacitor utilizes a fixing mechanism installed at the bottom of the capacitor body for secure mounting. A positioning plate has a screw rotatably mounted at one end. An adjusting plate has a first through hole near the positioning plate for the screw to pass through. A replaceable component is detachably inserted into the adjusting plate, with a threaded hole at its center that mates with the screw and communicates with the first through hole. The cooperation of the adjusting plate, positioning plate, and replaceable component, along with the rotation of the screw, achieves the fixing and adjustment of the capacitor body. The replaceable component allows for replacement only when the threads wear, without replacing the entire adjusting plate, thus simplifying maintenance and reducing costs. Furthermore, both the positioning plate and the adjusting plate have arc-shaped grooves that mate with the capacitor body, ensuring a more secure fixation and improving overall safety.

[0013] Furthermore, the adjustment plate is provided with slots that are compatible with the replaceable parts.

[0014] The slots on the adjustment plate and the use of replaceable parts allow for quick replacement of the parts when the threads wear, without having to replace the entire adjustment plate, thus simplifying the maintenance process. Furthermore, replacing the replaceable parts individually reduces maintenance costs compared to replacing the entire adjustment plate.

[0015] Furthermore: the replaceable component is also provided with a pre-tightening structure, the pre-tightening structure comprising:

[0016] The pre-tightening groove is located inside the adjusting plate;

[0017] The second through hole is located at one end of the pre-tightening groove and communicates with the slot.

[0018] The movable plate is slidably set within the pre-tightening groove;

[0019] A spring is installed in a preload groove and connected to a movable plate;

[0020] The screw passes through the first through hole, the threaded hole, and the second through hole in sequence before contacting the moving plate.

[0021] To improve the fastening effect between the replaceable part and the adjusting plate, this application incorporates a pre-tightening structure within the replaceable part. A pre-tightening groove is created within the adjusting plate, providing a sliding space for the movable plate to slide freely within it. A second through-hole is formed at one end of the pre-tightening groove and communicates with the slot, allowing a screw to pass through and contact the movable plate, thereby pushing the movable plate to move. The movable plate moves under the push of the screw, compressing the spring and generating a pre-tightening force. The spring is compressed as the movable plate moves, thus generating a pre-tightening force. When the screw is tightened, the pre-tightening force of the spring enhances the connection stability between the replaceable part and the adjusting plate.

[0022] After the screw passes through the first through hole, the threaded hole, and the second through hole, it contacts the movable plate. As the screw tightens, the movable plate is pushed and compresses the spring. The spring generates a preload when compressed, which enhances the connection stability between the replaceable part and the adjusting plate, thereby improving the fixation effect on the capacitor body.

[0023] Furthermore, the pre-tightening groove has a circular cross-section, and the edge of the moving plate is provided with a guide slider, and the inner wall of the pre-tightening groove is provided with a guide groove adapted to the guide slider.

[0024] The pre-tightening groove has a circular cross-section. This ensures the stability of the moving plate's trajectory within it, preventing deviation or jamming. Guide sliders are located at the edges of the moving plate. These guide sliders, in conjunction with the guide groove, allow the moving plate to follow a specific path during movement, improving accuracy and stability while limiting its direction of movement to prevent unnecessary deviation.

[0025] Furthermore, the diameters of the first through hole and the second through hole are larger than the diameter of the screw, and a sealing cap is slidably fitted on the screw. The sealing cap is adapted to the opening of the first through hole and is used to block the first through hole.

[0026] By setting the diameters of the first and second through holes to be larger than the diameter of the screw, friction is prevented when the screw passes through the first and second through holes, thus protecting the first and second through holes as well as the screw threads. The sealing cap effectively blocks the first through hole, preventing dust and impurities from entering, and also reduces the corrosion of the screw and threads by moisture and humidity, thereby reducing the risk of rust.

[0027] Furthermore, the positioning plate and the adjusting plate are also provided with:

[0028] A limiting ring groove is provided on the inner wall of the positioning plate and the adjusting plate, and the capacitor body is provided with a protrusion that matches the limiting ring groove.

[0029] Two threaded mounting holes are provided on both the positioning plate and the adjusting plate.

[0030] The limiting ring groove is installed on the inner wall of the positioning plate and the adjusting plate, that is, the part that contacts the capacitor body. The shape and size of the limiting ring groove perfectly match the protrusions on the capacitor body. This ensures that the capacitor body can be accurately placed between the positioning plate and the adjusting plate, and is not prone to movement or displacement.

[0031] Both the positioning plate and the adjusting plate have two threaded mounting holes located on their edges for easy installation and securing. This allows the user to secure the capacitor body between them using bolts or other fasteners passed through the threaded mounting holes.

[0032] The beneficial effects of this application are:

[0033] 1. Replaceable parts allow for the replacement of only the component when the threads wear out, without having to replace the entire adjustment plate, thus simplifying the maintenance process and reducing costs;

[0034] 2. After the screw passes through the first through hole, the threaded hole, and the second through hole, it contacts the moving plate. As the screw tightens, the moving plate is pushed and compresses the spring. The spring generates a preload when compressed, which enhances the connection stability between the replaceable part and the adjusting plate, thereby improving the fixing effect on the capacitor body.

[0035] 3. By setting the diameters of the first through hole and the second through hole to be larger than the diameter of the screw, friction can be avoided when the screw passes through the first through hole and the second through hole, thereby protecting the first through hole, the second through hole, and the screw thread. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the structure of this utility model;

[0037] Figure 2 This is a structural schematic diagram from another perspective of this utility model;

[0038] Figure 3 yes Figure 2 A magnified view of A in the middle.

[0039] The reference numerals in the figure are as follows: 100, capacitor body; 200, fixing mechanism; 210, positioning plate; 211, screw; 212, arc groove; 220, adjusting plate; 221, first through hole; 222, slot; 230, replaceable part; 231, threaded hole; 240, pre-tightening structure; 241, pre-tightening groove; 242, second through hole; 243, moving plate; 244, spring; 245, guide slider; 246, guide groove; 250, sealing cover; 300, limiting ring groove; 310, protrusion; 320, threaded mounting hole. Detailed Implementation

[0040] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0041] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0042] The high-safety-performance power capacitor provided in this application will be described in detail below with reference to the accompanying drawings, through specific embodiments and application scenarios.

[0043] Example 1:

[0044] like Figures 1 to 3 As shown, this application embodiment provides a high-safety-performance power capacitor, including a capacitor body 100, and further comprising:

[0045] A fixing mechanism 200 is disposed at the bottom of the capacitor body 100 and is used to fix the capacitor body 100. The fixing mechanism 200 includes:

[0046] The positioning plate 210 has a screw 211 rotatably mounted on one end;

[0047] The adjusting plate 220 has a first through hole 221 for the screw 211 to pass through at one end near the positioning plate 210;

[0048] Replaceable part 230 is provided on adjustment plate 220, and its center is provided with threaded hole 231 adapted to screw 211. Threaded hole 231 is connected to first through hole 221.

[0049] Both the positioning plate 210 and the adjustment plate 220 are provided with arc-shaped grooves 212 that are adapted to the capacitor body 100.

[0050] In some embodiments of this application, such as Figure 1As shown, a high-safety power capacitor, as described above, can be used to securely mount the capacitor body 100 by installing a fixing mechanism 200 at the bottom of the capacitor body 100. A screw 211 is rotatably mounted on one end of the positioning plate 210. An adjusting plate 220 has a first through hole 221 near the positioning plate 210 for the screw 211 to pass through. A replaceable part 230 is detachably inserted into the adjusting plate 220, and has a threaded hole 231 at its center that matches the screw 211, communicating with the first through hole 221. The cooperation of the adjusting plate 220, the positioning plate 210, and the replaceable part 230, along with the rotation of the screw 211, allows for the fixing and adjustment of the capacitor body 100. The replaceable part 230 allows for replacement of only this component when the threads wear out, without replacing the entire adjusting plate 220, thus simplifying the maintenance process and reducing costs. Meanwhile, both the positioning plate 210 and the adjustment plate 220 are provided with arc-shaped grooves 212 that are adapted to the capacitor body 100, so that the capacitor body 100 can be fixed more stably and the overall safety performance is improved.

[0051] Furthermore, the adjustment plate 220 is provided with a slot 222 that is adapted to the replaceable part 230.

[0052] The slot 222 on the adjusting plate 220 and the use of the replaceable part 230 allow for quick replacement of the replaceable part 230 when the threads wear out, without having to replace the entire adjusting plate 220, thus simplifying the maintenance process. Furthermore, replacing the replaceable part 230 individually reduces maintenance costs compared to replacing the entire adjusting plate 220.

[0053] Example 2:

[0054] This application provides a high-safety-performance power capacitor. In addition to the above-mentioned technical features, the high-safety-performance power capacitor of this application also includes the following technical features.

[0055] like Figures 1 to 3 As shown, the replaceable part 230 is further provided with a pre-tightening structure 240, the pre-tightening structure 240 including:

[0056] The pre-tightening groove 241 is provided inside the adjusting plate 220;

[0057] The second through hole 242 is provided at one end of the pre-tightening groove 241 and communicates with the slot 222;

[0058] The movable plate 243 is slidably set within the pre-tightening groove 241;

[0059] Spring 244 is disposed in preload groove 241 and connected to movable plate 243;

[0060] The screw 211 passes through the first through hole 221, the threaded hole 231 and the second through hole 242 in sequence before contacting the moving plate 243.

[0061] In this embodiment, to improve the fastening effect between the replaceable part 230 and the adjusting plate 220, a pre-tightening structure 240 is provided within the replaceable part 230. A pre-tightening groove 241 is provided within the adjusting plate 220, providing a sliding space for the movable plate 243, allowing it to slide freely within the groove. A second through hole 242 is formed at one end of the pre-tightening groove 241 and communicates with the slot 222, allowing the screw 211 to pass through and contact the movable plate 243, thereby pushing the movable plate 243 to move. The movable plate 243 can move under the push of the screw 211, thereby compressing the spring 244 and generating a pre-tightening force. The spring 244 can be compressed when the movable plate 243 moves, thereby generating a pre-tightening force. When the screw 211 is tightened, the pre-tightening force of the spring 244 enhances the connection stability between the replaceable part 230 and the adjusting plate 220.

[0062] After the screw 211 passes through the first through hole 221, the threaded hole 231, and the second through hole 242, it contacts the movable plate 243. As the screw 211 is tightened, the movable plate 243 is pushed and compresses the spring 244. The spring 244 generates a preload when compressed, which enhances the connection stability between the replaceable part 230 and the adjusting plate 220, thereby improving the fixing effect on the capacitor body 100.

[0063] Furthermore, the pre-tightening groove 241 has a circular cross-section, and the edge of the moving plate 243 is provided with a guide slider 245. The inner wall of the pre-tightening groove 241 is provided with a guide groove 246 that is adapted to the guide slider 245.

[0064] The pre-tightening groove 241 has a circular cross-section. This ensures that the moving plate 243 moves stably within it, preventing deviation or jamming. Guide sliders 245 are provided along the edge of the moving plate 243. These guide sliders 245 cooperate with the guide groove 246 to allow the moving plate 243 to move along a specific path during movement, thereby improving the accuracy and stability of the movement. Simultaneously, this restricts the direction of movement of the moving plate 243, preventing unnecessary deviation.

[0065] Example 3:

[0066] This application provides a high-safety-performance power capacitor. In addition to the above-mentioned technical features, the high-safety-performance power capacitor of this application also includes the following technical features.

[0067] like Figures 1 to 3As shown, the diameters of the first through hole 221 and the second through hole 242 are larger than the diameter of the screw 211, and a sealing cover 250 is slidably sleeved on the screw 211. The sealing cover 250 is adapted to the opening of the first through hole 221 and is used to block the first through hole 221.

[0068] In this embodiment, by setting the diameters of the first through hole 221 and the second through hole 242 to be larger than the diameter of the screw 211, friction is prevented when the screw 211 passes through the first through hole 221 and the second through hole 242, thus protecting the first through hole 221, the second through hole 242, and the threads of the screw 211. The sealing cap 250 effectively seals the first through hole 221, preventing dust and impurities from entering, and also reduces the corrosion of the screw 211 and threads by moisture and humidity, thereby reducing the risk of rust on the screw 211 and threads.

[0069] Example 4:

[0070] This application provides a high-safety-performance power capacitor. In addition to the above-mentioned technical features, the high-safety-performance power capacitor of this application also includes the following technical features.

[0071] like Figures 1 to 3 As shown, the positioning plate 210 and the adjusting plate 220 are also provided with:

[0072] The limiting ring groove 300 is provided on the inner wall of the positioning plate 210 and the adjusting plate 220, and the capacitor body 100 is provided with a protrusion 310 that is adapted to the limiting ring groove 300.

[0073] Two threaded mounting holes 320 are provided on both the positioning plate 210 and the adjusting plate 220.

[0074] In this embodiment, the limiting annular groove 300 is installed on the inner walls of the positioning plate 210 and the adjusting plate 220, i.e., the portions that contact the capacitor body 100. The shape and size of the limiting annular groove 300 are perfectly matched to the protrusions 310 provided on the capacitor body 100. This ensures that the capacitor body 100 can be accurately placed between the positioning plate 210 and the adjusting plate 220, and is not prone to movement or displacement.

[0075] Both the positioning plate 210 and the adjusting plate 220 have two threaded mounting holes 320 located on their edges for easy installation and fixation. This allows the user to secure the capacitor body 100 between them using fasteners such as bolts passed through the threaded mounting holes 320.

[0076] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0077] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A high safety performance power capacitor comprising a capacitor main body (100), characterized by, Also include: The fixed mechanism (200) is arranged at the bottom of the capacitor body (100), and is used for fixing the capacitor body (100), and the fixed mechanism (200) comprises: The positioning plate (210) is rotatably provided with a screw rod (211) at one end; The adjusting plate (220) is provided with a first through hole (221) for the screw rod (211) to pass through at one end close to the positioning plate (210); The replaceable part (230) is arranged on the adjusting plate (220), and a threaded hole (231) matched with the screw rod (211) is arranged at the center of the replaceable part (230), and the threaded hole (231) is communicated with the first through hole (221); Wherein, the positioning plate (210) and the adjusting plate (220) are provided with arc-shaped grooves (212) matched with the capacitor body (100).

2. The high safety performance power capacitor according to claim 1, characterized in that: The adjusting plate (220) is provided with a slot (222) matched with the replaceable part (230).

3. The high safety performance power capacitor according to claim 2, characterized in that: The replaceable part (230) is further provided with a pre-tightening structure (240), and the pre-tightening structure (240) comprises: The pre-tightening groove (241) is arranged in the adjusting plate (220); The second through hole (242) is arranged at one end of the pre-tightening groove (241) and communicated with the slot (222); The moving plate (243) is slidably arranged in the pre-tightening groove (241); The spring (244) is arranged in the pre-tightening groove (241) and connected with the moving plate (243); Wherein, the screw rod (211) passes through the first through hole (221), the threaded hole (231) and the second through hole (242) in sequence and contacts with the moving plate (243).

4. The high safety performance power capacitor according to claim 3, characterized in that: The cross section of the pre-tightening groove (241) is circular, and the edge of the moving plate (243) is provided with a guide sliding block (245), and the inner wall of the pre-tightening groove (241) is provided with a guide groove (246) matched with the guide sliding block (245).

5. The high safety performance power capacitor according to claim 4, characterized in that: The diameters of the first through hole (221) and the second through hole (242) are greater than the diameter of the screw rod (211), and the screw rod (211) is further slidably provided with a sealing cover (250), the sealing cover (250) is matched with the opening of the first through hole (221) and is used for plugging the first through hole (221).

6. The high safety performance power capacitor according to claim 1, characterized in that: The positioning plate (210) and the adjusting plate (220) are further provided with: The limiting ring groove (300) is arranged on the inner wall of the positioning plate (210) and the adjusting plate (220), and the capacitor body (100) is provided with a protrusion (310) matched with the limiting ring groove (300); The threaded mounting hole (320) is arranged on the positioning plate (210) and the adjusting plate (220) in two.

Images