变压器用散热器

Abstract

本实用新型公开了一种变压器用散热器，涉及变压器技术领域，其中，变压器用散热器包括散热片机构和散热机构，散热片机构包括散热片，散热片包括支撑架和与支撑架连接的多个散热通道，各散热通道均包括圆管油道和设置于各圆管油道外壁的环形翅片；散热机构包括风扇组件和光伏板组件。本实用新型的技术方案通过采用大容积、低流阻的圆管油道结构提升油侧换热性能，结合环形翅片扩大空气侧换热面积，辅以风扇组件强制风冷增强对流换热，并利用光伏板组件实现太阳能供电，形成了集高效散热、节能降耗、环境友好于一体的综合技术方案，适用于各类电力变压器的温控散热需求。

Claims

1. A heat sink for a transformer, characterized by, The transformer heat sink includes: A heat sink mechanism, the heat sink mechanism including a heat sink, the heat sink including a support frame and a plurality of heat dissipation channels connected to the support frame, the plurality of heat dissipation channels being spaced apart along a first direction, each heat dissipation channel including a circular oil passage and an annular fin disposed on the outer wall of each circular oil passage; A heat dissipation mechanism includes a fan assembly and a photovoltaic panel assembly. The fan assembly and a transformer are disposed opposite to each other on both sides of the heat sink mechanism along a second direction. Both the fan assembly and the photovoltaic panel assembly are connected to the support frame. The photovoltaic panel assembly is electrically connected to the fan assembly. The photovoltaic cells of the photovoltaic panel assembly are disposed with their faces upward. The photovoltaic panel assembly is used to absorb solar energy and convert the solar energy into electrical energy to power the fan assembly. The first direction and the second direction are perpendicular to each other.

2. The heat sink for a transformer according to claim 1, wherein If the inner diameter of the circular oil passage is defined as D1, then: 12mm≤D1≤16mm.

3. The heat sink for a transformer according to claim 1, wherein If the outer diameter of the annular fin is defined as D2, then: 35mm≤D2≤40mm.

4. The heat sink for a transformer according to claim 1, wherein The fan assembly includes a fan and a mounting plate. The mounting plate is connected to the support frame and is detachably connected to the fan. The fan is electrically connected to the photovoltaic panel assembly.

5. The heat sink for a transformer according to claim 4, wherein The mounting plate includes a plate body, a first bolt, a first elastic washer, a first flat washer, and a first nut. The fan is provided with a first mounting hole, and the plate body is provided with a second mounting hole. The first bolt passes through the first mounting hole, the second mounting hole, the first flat washer, and the first elastic washer in sequence and then engages with the first nut in a threaded connection to restrict the movement of the fan relative to the plate body. The plate body and the fan are detachably connected. And / or, The number of fan assemblies is at least one.

6. The heat sink for a transformer according to claim 1, wherein The photovoltaic panel assembly includes a photovoltaic panel and a bracket. The bracket is movably mounted on the support frame along the first direction. The photovoltaic panel is detachably connected to the bracket and is located at one end of the support frame. The photovoltaic panel is electrically connected to the fan assembly.

7. The heat sink for a transformer according to claim 6, wherein The support frame is provided with a sliding hole that extends along the first direction. The support frame includes a frame body, a second bolt, and a second nut. The thread of the second bolt is slidably engaged with the sliding hole, and the second nut is threadedly engaged with the thread of the second bolt to restrict the movement of the second bolt relative to the sliding hole. The photovoltaic panel is detachably connected to the frame body.

8. The heat sink for a transformer according to claim 1, wherein The number of annular fins is multiple, and the multiple annular fins are spaced apart along a third direction, wherein the first direction, the second direction and the third direction are perpendicular to each other; And / or, The number of heat sinks is multiple, and the multiple heat sinks are spaced apart along the second direction.

9. The transformer radiator as described in claim 1, characterized in that, The support frame includes a first support member, a second support member, a first distribution pipe, and a second distribution pipe. The first and second distribution pipes are spaced apart along a third direction, and the first, second, and third directions are perpendicular to each other. The first and second support members are spaced apart along the first direction. Both the first and second support members are connected to the first distribution pipe, and both the first and second support members are connected to the second distribution pipe, so that the first support member, the second support member, the first distribution pipe, and the second distribution pipe enclose a cavity for accommodating multiple heat dissipation channels. Each of the circular oil passages is connected to the first and second distribution pipes, so that each outlet on the first distribution pipe can be connected to the inlet of each of the circular oil passages, and each outlet of each of the circular oil passages can be connected to the inlet of the second distribution pipe. The first and second support members are both connected to the fan assembly, and the first distribution pipe is connected to the photovoltaic panel assembly.

10. The heat sink for a transformer according to claim 9, wherein The transformer radiator also includes an oil collecting pipe mechanism, which includes a first oil collecting pipe and a second oil collecting pipe. The first oil collecting pipe and the second oil collecting pipe are disposed opposite to each other at both ends of the heat sink mechanism along the third direction. The first oil collecting pipe is connected to the first branch pipe so that the outlet of the first oil collecting pipe is connected to the inlet of the first branch pipe; the second branch pipe is connected to the second oil collecting pipe so that the outlet of the second branch pipe is connected to the inlet of the second oil collecting pipe. And / or, The heat sink includes an aluminum alloy heat sink, the first oil collection pipe includes a first aluminum alloy oil collection pipe, and the second oil collection pipe includes a second aluminum alloy oil collection pipe. And / or, A first lifting ring is provided on the first oil collecting pipe, and a second lifting ring is provided on the second oil collecting pipe.

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