Capacitor convenient to encapsulate
By incorporating overflow and conductive portions on the capacitor casing, the problem of potting material overflow is solved, improving capacitor production efficiency and yield, ensuring capacitor stability and appearance integrity, and reducing production costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-03-20
AI Technical Summary
In the prior art, the overflow of potting material during the capacitor potting process affects the appearance, and increasing the height of the casing to avoid overflow increases production costs.
A capacitor designed for easy potting is provided with an overflow section and a conductive section on the outer casing. The overflow section includes a cavity, a baffle, and a notch, while the conductive section consists of first and second conductive sheets. This ensures that the potting material enters the cavity through the notch, preventing overflow, and the conductive sheets stably connect the capacitor core to external devices.
It improves capacitor production efficiency and yield, ensures capacitor appearance integrity, enhances capacitor stability and ease of use, and reduces production costs.
Smart Images
Figure CN224020624U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to capacitor technical field especially a capacitor convenient to potting. BACKGROUND
[0002] The thin film capacitor is the electrode with metal foil, will it and polyethylene, polypropylene, polystyrene or polycarbonate plastic film, from two ends overlap, winding into the structure of the cylindrical capacitor. After completing the winding of the capacitor core, need to fix the capacitor core in the shell through the potting mode, to achieve the effect of sealing and protection. In the process of potting, the opening of the shell will cause the partial potting material to overflow and flow to the outside of the shell due to the flowability of the potting material, which affects the appearance of the capacitor. In the prior art, the production of the capacitor is avoided by increasing the height of the shell to prevent the potting material from overflowing, but it increases the overall height of the capacitor and also increases the production cost of the capacitor. SUMMARY
[0003] To solve the above problems, the purpose of the utility model is to provide a capacitor convenient to potting, and the potting material can be stored in the overflow part to improve the production efficiency and yield of the capacitor.
[0004] The utility model solves the technical scheme adopted by the problem:
[0005] A capacitor convenient to pot, comprising: a shell, a capacitor core and a potting part, the capacitor core is fixed in the shell through the potting part, the upper end of the shell is provided with an opening matched with the potting part, the side surface of the opening is provided with an overflow part, the overflow part comprises a containing cavity, a baffle and a notch, the notch is located above the baffle, the containing cavity is communicated with the opening through the notch, and the upper surface of the notch is lower than the upper surface of the shell, the shell is further provided with a conductive part, one end of the conductive part is connected with the pole end of the capacitor core, and the other end of the conductive part extends to the outside of the potting part.
[0006] The capacitor convenient to pot at least has the beneficial effects that by setting the shell and the potting part, the potting part is communicated with the containing cavity through the notch, the potting part is prevented from overflowing to the outside of the shell in the production process, the appearance of the capacitor is affected, the production efficiency and yield of the capacitor convenient to pot are improved, the capacitor core can be quickly and stably connected to the equipment outside the potting part through the conductive part, and the stability and use convenience of the capacitor are improved.
[0007] Further, the containing cavity is further provided with an overflow block, and the overflow block is connected with the potting part through the notch. In the production process, the excess potting material of the potting part enters the containing cavity through the notch and forms the overflow block, so that pollution to the outside of the shell is avoided, and the production yield of the capacitor is improved.
[0008] Further, the gap is located in the middle of the baffle. This structure ensures that the excess potting material of the potting part reaches the accommodating cavity quickly and stably through the gap during the production process, avoids the potting material flowing to the outside of the shell to cause pollution, and ensures the production efficiency of the capacitor.
[0009] Further, the upper surface of the baffle is in the same horizontal plane as the upper surface of the opening. This structure ensures the flatness of the upper end of the easy-to-pot capacitor, and improves the structural stability of the easy-to-pot capacitor.
[0010] Further, the ratio of the distance between the upper surface of the opening and the upper surface of the potting part to the distance between the upper surface of the baffle and the upper surface of the potting part is less than 1 / 2. This structure ensures that the excess potting material of the potting part reaches the accommodating cavity quickly and stably through the gap during the production process, avoids the accumulation of the potting material.
[0011] Further, the overflow part is located on both sides of the opening. This structure ensures that the potting material can enter the accommodating cavity through the gap on both sides, improving the production efficiency of the capacitor.
[0012] Further, the cross section of the accommodating cavity is rectangular. This structure effectively expands the capacity and stability of the accommodating cavity, ensures that the overflow part can stably accommodate the potting material, and avoids the overflow of the potting material.
[0013] Further, the conductive part includes a first conductive sheet and a second conductive sheet, the first conductive sheet is connected to the pole end of the capacitor core, and the second conductive sheet extends to the outside of the potting part. By setting the first conductive sheet and the second conductive sheet, the conductive part can stably conduct the capacitor core and the equipment outside the potting part, improving the working stability of the easy-to-pot capacitor.
[0014] Further, the length of the first conductive sheet is greater than the length of the second conductive sheet. This structure ensures the connection stability of the first conductive sheet and the capacitor core, also saves the installation space of the capacitor and the external equipment, and improves the use convenience of the easy-to-pot capacitor.
[0015] Further, the first conductive sheet and the second conductive sheet are integrally formed by copper bars. Copper bars are indispensable conductive materials for power distribution and installation, and the first conductive sheet and the second conductive sheet are integrally formed by copper bars to ensure the conductivity of the conductive part, also reduce the production cost of the easy-to-pot capacitor.
[0016] The capacitor convenient to pour seal has the beneficial effects that: by arranging the shell and the pouring seal part, the pouring seal part communicates with the accommodating cavity through the gap, the pouring seal part is prevented from overflowing outside the shell during production, the appearance of the capacitor is affected, and the production efficiency and the yield of the capacitor convenient to pour seal are improved; by arranging the capacitor core and the conductive part, the capacitor core can be quickly and stably connected to the equipment outside the pouring seal part through the conductive part, the stability and the use convenience of the capacitor are improved; by arranging the first conductive sheet and the second conductive sheet, the conductive part can stably conduct the capacitor core and the equipment outside the pouring seal part, and the working stability of the capacitor convenient to pour seal is improved.
[0017] Additional aspects and advantages of the present application will be described in the following description, become apparent from the following description, or be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structural schematic view of a capacitor in the prior art;
[0019] Figure 2 is a structural schematic view of a capacitor convenient to pour seal according to an embodiment of the present application;
[0020] Figure 3 is an exploded view of a capacitor convenient to pour seal according to an embodiment of the present application;
[0021] Figure 4 is a top view of a capacitor convenient to pour seal according to an embodiment of the present application. DETAILED DESCRIPTION
[0022] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are only used to explain the present application, and cannot be understood as a limitation of the present application.
[0023] Referring to Figure 1 , a structural schematic view of a capacitor in the prior art, wherein the capacitor comprises a shell 100, a pouring seal part 300 and a conductive part 130, and the shell 100 is provided with an opening 110 at the upper end. During the forming process of the pouring seal part 300, the flowing pouring seal material will overflow outside the shell 100, affecting the appearance of the capacitor.
[0024] Referring to Figures 2 to 4The utility model discloses an easy-to-seal capacitor, comprising: shell 100, capacitor core 200 and seal part 300, capacitor core 200 is fixed in shell 100 through seal part 300, the upper end of shell 100 is equipped with the opening 110 of cooperation with seal part 300, and the side of opening 110 is equipped with overflow part 120, overflow part 120 includes accommodating cavity 121, baffle 122 and gap 123, gap 123 is located above baffle 122, and accommodating cavity 121 is communicated with opening 110 through gap 123, and the upper surface of gap 123 is lower than the upper surface of shell 100, and shell 100 still is equipped with conducting part 130, and one end of conducting part 130 is connected with the pole end of capacitor core 200, and the other end of conducting part 130 extends to the outside of seal part 300.
[0025] Through setting shell 100 and seal part 300, seal part 300 is communicated with accommodating cavity 121 through gap 123, avoids the overflow of seal part 300 to the outside of shell 100 in the production process, influences the appearance of capacitor, improves the production efficiency and good product rate of easy-to-seal capacitor, through setting capacitor core 200 and conducting part 130, capacitor core 200 can be connected to the equipment outside seal part 300 quickly and stably through conducting part 130, improves the stability and use convenience of capacitor.
[0026] Another embodiment, accommodating cavity 121 still is equipped with overflow block 310, and overflow block 310 is connected with seal part 300 through gap 123, and the excess seal material of seal part 300 in the production process enters accommodating cavity 121 through gap 123 and forms overflow block 310, avoids the pollution to the outside of shell 100, improves the production good product rate of capacitor.
[0027] Another embodiment, gap 123 is located at the intermediate position of baffle 122, and this structure guarantees that the excess seal material of seal part 300 in the production process reaches accommodating cavity 121 quickly and stably through gap 123, avoids the pollution caused by the flowing of seal material to the outside of shell 100, guarantees the production efficiency of capacitor.
[0028] Another embodiment, the upper surface of baffle 122 and the upper surface of opening 110 are on the same horizontal plane, and this structure guarantees the flatness of the upper end of easy-to-seal capacitor, improves the structural stability of easy-to-seal capacitor.
[0029] Another embodiment, the ratio of the distance between the upper surface of opening 110 and the upper surface of seal part 300 and the distance between the upper surface of baffle 122 and the upper surface of seal part 300 is less than 1 / 2, and this structure guarantees that the excess seal material of seal part 300 in the production process reaches accommodating cavity 121 quickly and stably through gap 123, avoids the accumulation of seal material.
[0030] In another embodiment, the overflow portion 120 is located on both sides of the opening 110. This structure ensures that the potting material can enter the accommodating cavity 121 through the gaps 123 on both sides, improving the production efficiency of the capacitor.
[0031] In another embodiment, the cross section of the accommodating cavity 121 is rectangular. This structure effectively expands the capacity and stability of the accommodating cavity 121, ensuring that the overflow portion 120 can stably accommodate the potting material, avoiding the overflow of the potting material.
[0032] In another embodiment, the conductive portion 130 includes a first conductive sheet 131 and a second conductive sheet 132, the first conductive sheet 131 is connected to the pole of the capacitor core 200, and the second conductive sheet 132 extends to the outside of the potting portion 300. By providing the first conductive sheet 131 and the second conductive sheet 132, the conductive portion 130 can stably conduct the capacitor core 200 and the equipment outside the potting portion 300, improving the working stability of the capacitor for easy potting.
[0033] In another embodiment, the length of the first conductive sheet 131 is greater than the length of the second conductive sheet 132. This structure ensures the connection stability of the first conductive sheet 131 and the capacitor core 200, also saves the installation space of the capacitor and the external equipment, improves the use convenience of the capacitor for easy potting.
[0034] In another embodiment, the first conductive sheet 131 and the second conductive sheet 132 are integrally formed by copper bars. Copper bars are indispensable conductive materials for power distribution and installation, and the first conductive sheet 131 and the second conductive sheet 132 are integrally formed by copper bars, which ensures the conductivity of the conductive portion, and also reduces the production cost of the capacitor for easy potting.
[0035] In the production process of the capacitor convenient for pouring sealing in the embodiment, firstly, according to the specification of the capacitor core 200, the corresponding size of the shell 100 is selected, the two ends of the shell 100 are provided with overflow portions 120, and the overflow portions 120 include accommodating cavities 121, baffles 122 and notches 123, the notches 123 are located above the baffles 122, the accommodating cavities 121 are communicated with the openings 110 through the notches 123; then, the capacitor core 200 is stably fixed in the shell 100 through the openings 110 above the shell 100; then, the conductive portion 130 is installed on the capacitor core 200, the first conductive sheet 131 is attached to the pole end of the capacitor core 200, and the second conductive sheet 132 extends to the outside of the opening 110; finally, the pouring sealing portion 300 is formed between the capacitor core 200 and the shell 100 in a pouring sealing mode, in the pouring sealing process, when the flowing pouring sealing material enters between the capacitor core 200 and the shell 100 and fixes the capacitor core 200 and the conductive portion 130, when the pouring sealing material in the shell 100 is too much, the excess pouring sealing material enters the accommodating cavities 121 through the notches 123 and forms overflow blocks 310, so as to avoid polluting the outside of the shell 100 and improve the production yield of the capacitor. In this way, the production of the capacitor convenient for pouring sealing is completed, the whole process is controllable and efficient, and the production efficiency of the capacitor convenient for pouring sealing is ensured.
[0036] From the above description, it can be seen that the capacitor convenient for pouring sealing of the utility model sets up the shell 100 and the pouring sealing portion 300, the pouring sealing portion 300 is communicated with the accommodating cavities 121 through the notches 123, avoids the pouring sealing portion 300 from overflowing to the outside of the shell 100 in the production process, influences the appearance of the capacitor, improves the production efficiency and yield of the capacitor convenient for pouring sealing, sets up the capacitor core 200 and the conductive portion 130, the capacitor core 200 can be quickly and stably connected to the equipment outside the pouring sealing portion 300 through the conductive portion 130, improves the stability and use convenience of the capacitor, sets up the first conductive sheet 131 and the second conductive sheet 132, the conductive portion 130 can stably conduct the capacitor core 200 and the equipment outside the pouring sealing portion 300, improves the working stability of the capacitor convenient for pouring sealing.
[0037] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A capacitor that is easy to pot, characterized in that, include: The device comprises a housing, a capacitor core, and a potting compound, wherein the capacitor core is fixed within the housing via the potting compound. The upper end of the housing has an opening that mates with the potting compound, and an overflow portion is provided on the side of the opening. The overflow portion includes a receiving cavity, a baffle, and a notch. The notch is located above the baffle, and the receiving cavity communicates with the opening via the notch. The upper surface of the notch is lower than the upper surface of the housing. A conductive portion is also provided within the housing, one end of which is connected to the extreme end of the capacitor core, and the other end of which extends outside the potting compound.
2. The capacitor that is easy to pot according to claim 1, characterized in that, The cavity is also provided with an overflow block, which is connected to the potting section through the notch.
3. A capacitor that is easy to pot according to claim 2, characterized in that, The notch is located in the middle of the baffle.
4. A capacitor that is easy to pot, as described in claim 2, is characterized in that, The upper surface of the baffle and the upper surface of the opening are on the same horizontal plane.
5. A capacitor that is easy to pot according to claim 4, characterized in that, The ratio of the distance between the upper surface of the opening and the upper surface of the potting portion to the distance between the upper surface of the baffle and the upper surface of the potting portion is less than 1 / 2.
6. A capacitor that is easy to pot, as described in claim 1, is characterized in that, The overflow section is located on both sides of the opening.
7. A capacitor that is easy to pot according to claim 1, characterized in that, The cross-section of the accommodating cavity is rectangular.
8. A capacitor that is easy to pot according to claim 1, characterized in that, The conductive portion includes a first conductive sheet and a second conductive sheet, the first conductive sheet being connected to the extreme end of the capacitor core, and the second conductive sheet extending outside the potting portion.
9. A capacitor that is easy to pot, as described in claim 8, is characterized in that, The length of the first conductive sheet is greater than the length of the second conductive sheet.
10. A capacitor that is easy to pot, as described in claim 8, characterized in that, The first conductive sheet and the second conductive sheet are integrally formed from copper busbars.