High-frequency low-loss capacitor
By optimizing the heat dissipation structure of the capacitor and adopting designs such as protective bases and heat dissipation grooves made of ceramic and copper materials, the heat dissipation problem of high-frequency, low-loss capacitors during operation has been solved, extending the service life of the capacitors.
Patent Information
- Application Number
- CN202520290666.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing high-frequency, low-loss capacitors generate heat during operation, and the protective sleeve affects heat dissipation, leading to a shortened capacitor lifespan.
The design incorporates a protective base, heat dissipation slots, ventilation slots, a heat dissipation base, a heat dissipation plate, and heat sinks. These components are made of ceramic and copper, fixed by welding, and filled with silicone grease to optimize the heat dissipation structure.
It achieves efficient heat dissipation, avoids shortening capacitor life, and maintains stable operating performance.
Smart Images

Figure CN223757393U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to capacitor technical field especially relates to high frequency low loss capacitor. BACKGROUND
[0002] High frequency low loss capacitor refers to the capacitor used in high frequency circuit, has very low loss and loss factor, can work normally under high frequency and energy loss is less, this capacitor usually adopts high quality material and is made, such as ceramic, polyimide film etc.
[0003] The existing high frequency low loss capacitor can produce certain heat when working, and when the capacitor is produced, generally only a protective sleeve is sleeved on the periphery of the capacitor, but the protective sleeve can affect the heat dissipation effect of the capacitor to some extent, resulting in reduced service life of the capacitor, therefore, we propose high frequency low loss capacitor. UTILITY MODEL CONTENT
[0004] The utility model discloses a high frequency low loss capacitor, which can solve the problems of the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] High frequency low loss capacitor, including installation carrier plate, the top of installation carrier plate is installed with several capacitor main bodies at equidistance near the front, the outer side of capacitor main body is sleeved with protection seat, the outer side wall of protection seat is opened with several heat dissipation grooves at equidistance, the inner side wall of heat dissipation groove is fixed with dustproof strip symmetrically, the side corresponding to dustproof strip is opened with ventilation groove, the bottom of capacitor main body is fixed with heat dissipation base, the outer side wall of heat dissipation base is fixed with heat dissipation plate, the side away from heat dissipation base of heat dissipation plate is fixed with several heat dissipation fins at equidistance.
[0007] As the preferred scheme of the utility model, the top of installation carrier plate is installed with several electronic components, and the electronic components and installation carrier plate are fixed by welding.
[0008] The technical effect of the above further scheme is that the welding fixed mode can be more stable and firm.
[0009] As the preferred scheme of the utility model, the top of installation carrier plate is opened with installation hole near the corner, and the diameter of installation hole is 5mm.
[0010] The technical effect of the further scheme is that the mounting hole is designed to make the mounting of the carrier plate more convenient.
[0011] As the preferred scheme of the utility model, the protection seat is made of ceramic material.
[0012] The technical effect of the further scheme is that the protection seat made of ceramic material has good insulation performance, high hardness, high compressive strength and heat conduction performance, which can achieve good heat dissipation effect and protect the capacitor body from damage, and the protection seat made of ceramic material has long service life and can withstand long-time high-temperature work.
[0013] As the preferred scheme of the utility model, the top end of the protection seat is provided with a through hole corresponding to the capacitor body, and the through hole is matched with the capacitor body.
[0014] The technical effect of the further scheme is that the through hole is matched with the capacitor body, so that the staff can conveniently and smoothly set the protection seat.
[0015] As the preferred scheme of the utility model, the heat dissipation base, the heat dissipation plate and the heat dissipation fin are made of copper material.
[0016] The technical effect of the further scheme is that the heat dissipation base, the heat dissipation plate and the heat dissipation fin made of copper material have strong heat dissipation capacity, which can help the capacitor body dissipate heat well.
[0017] As the preferred scheme of the utility model, the capacitor body and the heat dissipation base are filled with silicone grease.
[0018] The technical effect of the further scheme is that the capacitor body can conveniently transfer heat to the heat dissipation base through the filled silicone grease.
[0019] As the preferred scheme of the utility model, the distance between the heat dissipation fins is 1mm.
[0020] The technical effect of the further scheme is that the distance between the heat dissipation fins is 1mm, so that the heat dissipation fins can quickly transfer heat to dissipate heat for the capacitor body.
[0021] Compared with the prior art, the utility model has the beneficial effects that:
[0022] In the utility model, through the design of the protection seat, the heat dissipation groove, the ventilation groove, the heat dissipation base, the heat dissipation plate and the heat dissipation fin, the heat dissipation effect of the capacitor is not affected when the high-frequency low-loss capacitor works, and the capacitor can be stably and efficiently cooled, so that the service life of the capacitor is not affected. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 The whole structure schematic diagram of the high-frequency low-loss capacitor is provided in the utility model;
[0024] Figure 2 The protection seat structure schematic diagram of the high-frequency low-loss capacitor is provided in the utility model;
[0025] Figure 3 The dustproof strip structure top end top view dissection of the high-frequency low-loss capacitor is provided in the utility model;
[0026] Figure 4 The ventilation groove structure side dissection of the high-frequency low-loss capacitor is provided in the utility model.
[0027] Legend: 1, mounting carrier plate; 101, electronic components; 102, mounting hole; 2, capacitor main body; 3, protection seat; 301, heat dissipation groove; 302, dustproof strip; 303, ventilation groove; 304, through hole; 4, heat dissipation base; 401, heat dissipation plate; 402, heat dissipation fin. DETAILED DESCRIPTION
[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0029] In order to facilitate understanding of the utility model, the utility model will be described more fully below in conjunction with the related utility model, and several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described in the text. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0030] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0032] Example 1
[0033] like Figures 1-4 As shown, this utility model provides a technical solution: a high-frequency, low-loss capacitor, including a mounting plate 1. The mounting plate 1 is used to mount electronic components 101 and capacitor bodies 2. Several capacitor bodies 2 are equidistantly mounted on the top of the mounting plate 1 near the front. A protective seat 3 is fitted around the outside of each capacitor body 2. The protective seat 3 protects the capacitor body 2 and also dissipates heat. Several heat dissipation grooves 301 are equidistantly arranged around the outer wall of the protective seat 3, allowing air to enter the interior of the protective seat 3 through the heat dissipation grooves 301 to cool the capacitor bodies 2. Dustproof strips 302 are symmetrically fixed on the inner wall of the heat dissipation grooves 301 to prevent dust from entering the protective seat. Inside the protective base 3, to avoid affecting the normal operation of the capacitor body 2, ventilation slots 303 are provided on the corresponding side of the dustproof strip 302. The air inside the protective base 3 can be discharged through the ventilation slots 303, so that the air inside the protective base 3 can circulate and the heat dissipation efficiency can be better. A heat dissipation base 4 is fixed to the bottom of the capacitor body 2. A heat dissipation plate 401 is fixed on the outer wall of the heat dissipation base 4. Several heat dissipation fins 402 are fixed at equal intervals on the side of the heat dissipation plate 401 away from the heat dissipation base 4. The capacitor body 2 will directly transfer heat to the heat dissipation base 4, and the heat dissipation base 4 will discharge heat through the heat dissipation plate 401 and heat dissipation fins 402 to cool down the capacitor body 2 and prevent the life of the capacitor body 2 from being shortened.
[0034] Example 2
[0035] like Figures 1-4 As shown, several electronic components 101 are mounted on the top of the mounting plate 1. The electronic components 101 are fixed to the mounting plate 1 by welding, which makes the mounting plate 1 more stable and secure.
[0036] Mounting holes 102 are provided at the top of the mounting plate 1 near the corner. The diameter of the mounting holes 102 is 5mm. The design of the mounting holes 102 makes the installation of the mounting plate 1 more convenient.
[0037] The protective seat 3 is made of ceramic material, the protective seat 3 made of ceramic material has the characteristics of good insulation performance, high hardness, high compressive strength and heat conduction performance, can realize good heat dissipation effect, can protect the capacitor main body 2 from being damaged, and the protective seat 3 made of ceramic material has long service life and can withstand long-time high-temperature work.
[0038] The top end of the protective seat 3 is provided with a through hole 304 corresponding to the capacitor main body 2, the through hole 304 is matched with the capacitor main body 2, and the through hole 304 is matched with the capacitor main body 2, so that the worker can more conveniently and smoothly set the protective seat 3.
[0039] The heat dissipation base 4, the heat dissipation plate 401 and the heat dissipation fin 402 are all made of copper material, the heat dissipation base 4, the heat dissipation plate 401 and the heat dissipation fin 402 made of copper material have strong heat dissipation capacity, and can well help the capacitor main body 2 to dissipate heat.
[0040] The capacitor main body 2 and the heat dissipation base 4 are filled with silicone grease, and the capacitor main body 2 can conveniently transfer heat to the heat dissipation base 4 through the filled silicone grease.
[0041] The distance between the heat dissipation fins 402 is 1mm, the heat dissipation fins 402 can quickly transfer heat out to dissipate heat for the capacitor main body 2 through the distance between the heat dissipation fins 402.
[0042] The working process of the utility model: when using high-frequency low-loss capacitor, the protective seat 3 can directly dissipate heat for the capacitor main body 2, the heat dissipation groove 301 and the ventilation groove 303 can make air circulate in the protective seat 3, so that the temperature of the capacitor main body 2 can be lowered faster, and the heat of the capacitor main body 2 can be transferred to the heat dissipation base 4, so that the heat dissipation base 4 can discharge heat through the heat dissipation plate 401 and the heat dissipation fin 402 to cool the capacitor main body 2, compared with the existing high-frequency low-loss capacitor, the heat dissipation effect of the capacitor is not affected, and the capacitor can be stably and efficiently cooled, so that the service life of the capacitor is not affected.
[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A high-frequency, low-loss capacitor, comprising a mounting plate (1), characterized in that: Several capacitor bodies (2) are equidistantly installed at the top of the mounting plate (1) near the front. A protective seat (3) is fitted on the outside of the capacitor body (2). Several heat dissipation grooves (301) are equidistantly arranged around the outer wall of the protective seat (3). Dustproof strips (302) are symmetrically fixed on the inner wall of the heat dissipation grooves (301). Ventilation grooves (303) are opened on the corresponding side of the dustproof strips (302). A heat dissipation base (4) is fixed at the bottom of the capacitor body (2). A heat dissipation plate (401) is fixed on the outer wall of the heat dissipation base (4). Several heat dissipation fins (402) are equidistantly fixed on the side of the heat dissipation plate (401) away from the heat dissipation base (4).
2. The high-frequency, low-loss capacitor according to claim 1, characterized in that: A plurality of electronic components (101) are mounted on the top of the mounting plate (1), and the electronic components (101) are fixed to the mounting plate (1) by welding.
3. The high-frequency, low-loss capacitor according to claim 1, characterized in that: The mounting plate (1) has mounting holes (102) at the top near the corner, and the diameter of the mounting holes (102) is 5mm.
4. The high-frequency, low-loss capacitor according to claim 1, characterized in that: The protective base (3) is made of ceramic material.
5. The high-frequency, low-loss capacitor according to claim 1, characterized in that: The top of the protective base (3) is provided with a through hole (304) corresponding to the capacitor body (2), and the through hole (304) is adapted to the capacitor body (2).
6. The high-frequency, low-loss capacitor according to claim 1, characterized in that: The heat sink base (4), heat sink plate (401), and heat sink fins (402) are all made of copper.
7. The high-frequency, low-loss capacitor according to claim 1, characterized in that: Silicon grease is filled between the capacitor body (2) and the heat sink base (4).
8. The high-frequency, low-loss capacitor according to claim 1, characterized in that: The distance between the heat sinks (402) is 1 mm.