A combined capacitor with fast heat dissipation

By incorporating water-cooled copper busbars with built-in water pipes, the problem of inefficient heat dissipation in modular capacitors is solved, achieving efficient heat dissipation, reducing capacitor temperature, preventing dielectric aging and deformation, lowering production costs, and meeting the needs of equipment miniaturization.

CN223612246UActive Publication Date: 2025-11-28TIANJIN YINGDA KEXUN ELECTRIC EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422956899.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-11-28
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

In existing technologies, combined capacitors are prone to heat dissipation in high-temperature environments, which leads to a decline in equipment performance and affects service life and performance. In existing technologies, unreasonable heat dissipation of combined capacitors causes the capacitor temperature to rise, leading to failure of other electronic components. Furthermore, miniaturization design of the equipment is difficult and costly.

Method used

It adopts a water-cooled copper busbar with built-in water pipe design, and the film capacitors are arranged in parallel. The water-cooled copper busbar is wrapped around the film capacitor in an S-shape. The double-layer water-cooled copper busbar is wrapped around the upper and lower halves of the film capacitor respectively and connected to an external water source to achieve efficient heat dissipation.

Benefits of technology

It improves heat dissipation efficiency, reduces capacitor temperature, avoids dielectric aging and deformation, reduces precious metal consumption, lowers production costs, and meets the requirements for equipment miniaturization.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223612246U_ABST
    Figure CN223612246U_ABST
Patent Text Reader

Abstract

The utility model belongs to high -power inverter power supply equipment field especially relates to a combination capacitor of quick heat dissipation, including water cooling copper row, film capacitor and water route pipeline, a plurality of film capacitors are in parallel, multiple rows arrange, odd number column side by side, the pipeline of water cooling copper row begins from left side top along the first row film capacitor around with horizontal S type winding, until the last column film capacitor winding end pipeline linear extension to below, again with horizontal S type winding last row film capacitor to the first column film capacitor winding end, the bending pipeline of water cooling copper row is equipped with water route pipeline, one end of water route pipeline is connected outside water source. This combination capacitor adopts brand -new water cooling heat dissipation mode, under the inside film capacitor parallel neat arrangement fixed mode, satisfy the requirement of equipment miniaturization while, improve the heat dissipation efficiency, prevent film capacitor temperature rise, avoid capacitor internal medium ageing or deformation, will not because capacitor high temperature causes other electronic component failure.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to high -power inverter power supply equipment field especially relates to a combination capacitor of quick heat dissipation. BACKGROUND

[0002] In high -power inverter power supply equipment engineering application, due to the space restriction of the busbar groove of inverter cabinet, the number and structure size of the capacitor are restricted to a certain extent. According to the engineering needs, if the device output is required to be higher voltage or current, in engineering application, combination capacitor is usually used to cope with, and the traditional combination capacitor generates great power loss in high -power power supply equipment. The capacitor is not easy to dissipate heat due to unreasonable heat dissipation space and heat dissipation mode, the capacitor temperature rises, the capacitor internal medium ages or deforms, the service life and performance are affected, and other electronic components may fail, resulting in device jam, performance decline or even failure. And under the requirement of device miniaturization, the design cycle is lengthened, the cost is increased, and the assembly and maintenance efficiency is low. UTILITY MODEL CONTENTS

[0003] The utility model discloses a combination capacitor of quick heat dissipation, and solves the problem that the existing combination capacitor is not easy to dissipate heat due to unreasonable heat dissipation space and heat dissipation mode, and brings many hidden dangers.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A combination capacitor of quick heat dissipation, comprising a water-cooled copper bar, a film capacitor and a waterway pipeline, a plurality of the film capacitors are connected in parallel and arranged in multiple rows, and the odd-numbered columns are arranged side by side, the pipeline of the water-cooled copper bar is horizontally S-shaped wound around the first row of film capacitors from the left upper side, and then linearly extended to the lower side until the winding of the last column of film capacitors is completed, and then the last row of film capacitors is horizontally S-shaped wound to the first column of film capacitors until the winding is completed, a waterway pipeline is arranged in the curved pipeline of the water-cooled copper bar, and one end of the waterway pipeline is connected to an external water source.

[0006] Preferably, the water-cooled copper bar is double-layered and wound around the upper half and the lower half of the film capacitors.

[0007] Preferably, the film capacitors are 6 or 9, and are evenly arranged in three columns.

[0008] The utility model has the advantages of the following:

[0009] (1) through the water cooling copper row built-in water route pipeline, cancel the traditional water route capacitor connection, reserve and the thin film capacitor and the water route volume adapt electrical and water route convergence space, improve the inverter cabinet slot road busbar space utilization, reduce the electrical and water route convergence fittings, reduce the noble metal material consumption, reduce the production cost, the whole copper electrode, built-in cooling water route pipeline, high integration, good heat dissipation, low temperature rise, easy to install;

[0010] (2) adopt a new water cooling heat dissipation mode, under the internal thin film capacitor parallel arrangement fixed mode, with effective water route layout, meet the requirement of equipment miniaturization, greatly improve the heat dissipation capacity of the combined capacitor, provide guarantee for the power output of inverter cabinet;

[0011] (3) adopt double-layer water cooling copper row design, improve the heat dissipation efficiency, prevent the temperature rise of thin film capacitor, avoid the aging or deformation of capacitor internal medium, and other electronic components will not be caused by capacitor high temperature failure. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structure schematic diagram of the utility model;

[0013] Fig. 2 It is the sectional view of the structure top view of the utility model;

[0014] Fig. 3 It is the front view of the structure of the utility model.

[0015] Mark explanation: 1, water cooling copper row;2, thin film capacitor;3, water route pipeline; DETAILED DESCRIPTION

[0016] The technical scheme of the utility model is described clearly and completely below in combination with the drawings and examples.

[0017] As Figs. 1-3 shown, a kind of quick heat dissipation combined capacitor, including water cooling copper row 1, thin film capacitor 2 and water route 3, 6 thin film capacitors 2 are connected in parallel, and are arranged in two rows and three columns side by side, the pipeline of water cooling copper row 1 is from left side top, and is wound along the first row thin film capacitor 2 with horizontal S type, until the pipeline of last column thin film capacitor 2 is extended to lower with straight line after winding end, and is wound last row thin film capacitor 2 to first column thin film capacitor 2 with horizontal S type after winding end, water route 3 is arranged in the curved pipeline of water cooling copper row 1, water cooling copper row 1 is designed with double layers, and is wound in the upper half and lower half of thin film capacitor 2 respectively, one end of water route 3 is connected with external water source;Through the water cooling copper row built-in water route pipeline, reduce electrical and water route convergence fittings, reduce the noble metal material consumption, reduce the cost;S type winding water route layout, meet the requirement of equipment miniaturization;Through double-layer water cooling copper row design, improve the heat dissipation efficiency, avoid many hidden troubles caused by capacitor not easy to heat dissipation.

Claims

1. A combination capacitor for rapid heat dissipation, characterized by, Including water cooling copper row (1), film capacitor (2) and water route pipeline (3), multiple film capacitors (2) are parallelly connected, multiple rows are arranged, odd number columns are side by side, the pipeline of water cooling copper row (1) is horizontally S-shapedly wound along the periphery of the first row film capacitor (2) from the left side top, until the pipeline of the last column film capacitor (2) is linearly extended to the lower side, then the last row film capacitor (2) is horizontally S-shapedly wound to the first column film capacitor (2) winding end, the curved pipeline of water cooling copper row (1) is internally provided with water route pipeline (3), one end of water route pipeline (3) is connected with external water source.

2. The combination capacitor of claim 1, wherein, Water cooling copper row (1) is provided with double layers, and is wound on the upper half and the lower half of film capacitor (2) respectively.

3. A combination capacitor of claim 2, wherein Film capacitor (2) is 6 or 9, and is arranged in three columns.