CN221886979U - A cooling device for high-voltage motor frequency converter in coal mines - Google Patents
A cooling device for high-voltage motor frequency converter in coal mines Download PDFInfo
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- 238000001816 cooling Methods 0.000 title claims abstract description 55
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 40
- 239000006185 dispersion Substances 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 19
- 238000005057 refrigeration Methods 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 1
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 1
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 1
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 1
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
本实用新型涉及变频器技术领域，具体为一种煤矿高压电机变频器冷却装置，包括安装箱，位于上方隔板与安装箱之间固定连接有安装导热板，位于上方隔板的上端面贯穿开设有多个均匀分布的过风孔，安装导热板的右侧壁安装有变频器本体，安装导热板的左侧壁与安装箱之间开设有散热腔，位于下方隔板的下方设置有与分散腔连通的冷却组件，常温气流通过进风管道进入冷却盒中，对散热气流进行降温，然后将冷却的气流输送至分散腔内，安装导热板和多个散热片将变频器本体产生的热量吸收，然后将安装导热板吸收的热量与冷气流进行热交换，进而对变频器本体进行冷却，气流穿过过风孔直接吹到变频器本体的外表面，再次对变频器本体进行散热。
The utility model relates to the technical field of frequency converters, and specifically to a cooling device for a frequency converter of a high-voltage motor in a coal mine, comprising an installation box, a heat-conducting plate installed and fixedly connected between an upper partition and the installation box, a plurality of evenly distributed air holes penetrating through the upper end surface of the upper partition, an inverter body installed on the right side wall of the heat-conducting plate, a heat dissipation cavity provided between the left side wall of the heat-conducting plate and the installation box, a cooling component connected to the dispersion cavity provided below the lower partition, a normal temperature airflow enters the cooling box through an air inlet duct to cool the heat dissipation airflow, and then the cooled airflow is transported into the dispersion cavity, a heat-conducting plate and a plurality of heat sinks are installed to absorb the heat generated by the inverter body, and then the heat absorbed by the heat-conducting plate is heat-exchanged with the cold airflow, thereby cooling the inverter body, and the airflow passes through the air holes and directly blows to the outer surface of the inverter body, and again dissipates the heat of the inverter body.
Description
技术领域Technical Field
本实用新型涉及变频器技术领域，具体为一种煤矿高压电机变频器冷却装置。The utility model relates to the technical field of frequency converters, in particular to a cooling device for a high-voltage motor frequency converter in a coal mine.
背景技术Background Art
变频器是一种用于调整电机功率以达到节能省电目的的装置，主要由整流(交流变直流)、滤波、逆变(直流变交流)、制动单元、驱动单元、检测单元微处理单元等组成，变频器靠内部IGBT的开断来调整输出电源的电压和频率，根据电机的实际需要来提供其所需要的电源电压，进而达到节能、调速的目的，另外，变频器还有很多的保护功能，如过流、过压、过载保护等等。随着工业自动化程度的不断提高，变频器也得到了非常广泛的应用。The inverter is a device used to adjust the motor power to achieve energy saving and power saving. It is mainly composed of rectification (AC to DC), filtering, inversion (DC to AC), braking unit, drive unit, detection unit, microprocessor unit, etc. The inverter adjusts the output power voltage and frequency by the internal IGBT disconnection, and provides the required power supply voltage according to the actual needs of the motor, thereby achieving the purpose of energy saving and speed regulation. In addition, the inverter has many protection functions, such as over-current, over-voltage, overload protection, etc. With the continuous improvement of industrial automation, inverters have also been widely used.
目前现有的煤矿高压电机变频器冷却装置基本由安装箱1、变频器本体6、通风孔17和风扇14等部件构成，目前现有的煤矿高压电机变频器冷却装置在使用过程中，根据图1所示，先将变频器本体6安装到安装箱1内，然后风扇14转动，风扇14带动气流对变频器本体6进行散热，然后通过通风孔17排出。The existing coal mine high-voltage motor inverter cooling device is basically composed of components such as an installation box 1, an inverter body 6, ventilation holes 17 and a fan 14. During use, the existing coal mine high-voltage motor inverter cooling device, as shown in Figure 1, is first installed in the installation box 1, and then the fan 14 rotates. The fan 14 drives the airflow to dissipate the heat of the inverter body 6, and then discharges it through the ventilation holes 17.
上述装置在使用过程中，没有考虑变频器本体6周围环境的温度，当变频器周围环境温度较高时，无法对变频器本体6进行有效散热。During use of the above device, the temperature of the environment around the inverter body 6 is not taken into consideration. When the temperature of the environment around the inverter is high, the inverter body 6 cannot be effectively cooled.
实用新型内容Utility Model Content
本实用新型的目的在于提供一种煤矿高压电机变频器冷却装置，具有对散热气流进行降温和对变频器进行有效散热的特点。The utility model aims to provide a cooling device for a frequency converter of a high-voltage motor in a coal mine, which has the characteristics of cooling the heat dissipation airflow and effectively dissipating the heat of the frequency converter.
为实现上述目的，本实用新型提供如下技术方案：一种煤矿高压电机变频器冷却装置，包括安装箱，所述安装箱的内部固定连接有两个上下分布的隔板，两个所述隔板之间开设有分散腔，位于上方所述隔板与安装箱之间固定连接有安装导热板，位于上方所述隔板的上端面贯穿开设有多个均匀分布的过风孔，所述安装导热板的右侧壁安装有变频器本体，所述安装导热板的左侧壁与安装箱之间开设有散热腔，位于下方所述隔板的下方设置有与分散腔连通的冷却组件。To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling device for a high-voltage motor inverter in a coal mine, comprising an installation box, wherein two partitions distributed up and down are fixedly connected inside the installation box, a dispersion cavity is provided between the two partitions, a heat-conducting plate is fixedly connected between the upper partition and the installation box, a plurality of evenly distributed air holes are penetrated through the upper end surface of the partition located at the top, an inverter body is installed on the right side wall of the heat-conducting plate, a heat dissipation cavity is provided between the left side wall of the heat-conducting plate and the installation box, and a cooling component connected to the dispersion cavity is provided below the lower partition.
为了提高对变频器本体的散热效果，作为本实用新型的一种煤矿高压电机变频器冷却装置优选的，所述冷却组件包括安装箱内部下端固定连接的冷却盒，所述冷却盒的内部固定连接有多个左右分布的半导体制冷片，所述冷却盒与分散腔之间连通有过风管道，所述安装箱与冷却盒之间连通有进风管道。In order to improve the heat dissipation effect of the inverter body, as a preferred cooling device for a coal mine high-voltage motor inverter of the utility model, the cooling assembly includes a cooling box fixedly connected to the lower end of the installation box, and a plurality of semiconductor refrigeration plates distributed on the left and right are fixedly connected to the interior of the cooling box. An air duct is connected between the cooling box and the dispersion cavity, and an air inlet duct is connected between the installation box and the cooling box.
为了对安装箱内输送气流，作为本实用新型的一种煤矿高压电机变频器冷却装置优选的，所述安装箱的左侧壁固定连接有与进风管道连通的固定环，所述固定环的内部固定连接有固定板，所述固定板的右侧壁转动连接有风扇。In order to transport airflow in the installation box, as a preferred cooling device for a coal mine high-voltage motor inverter of the utility model, the left side wall of the installation box is fixedly connected with a fixing ring connected to the air inlet duct, the interior of the fixing ring is fixedly connected with a fixing plate, and the right side wall of the fixing plate is rotatably connected with a fan.
为了提高对变频器本体的散热效率，作为本实用新型的一种煤矿高压电机变频器冷却装置优选的，所述安装导热板的左侧壁固定连接有多个均匀分布的且位于散热腔内的散热片。In order to improve the heat dissipation efficiency of the inverter body, as a preferred cooling device for a coal mine high-voltage motor inverter of the utility model, the left side wall on which the heat conduction plate is installed is fixedly connected with a plurality of heat sinks evenly distributed and located in the heat dissipation cavity.
为了给风扇的转动提供动力，作为本实用新型的一种煤矿高压电机变频器冷却装置优选的，所述固定板的左侧壁安装有电机，所述电机的输出端贯穿固定板并与风扇固定连接。In order to provide power for the rotation of the fan, as a preferred cooling device for a high-voltage motor inverter in a coal mine of the utility model, a motor is installed on the left side wall of the fixed plate, and the output end of the motor passes through the fixed plate and is fixedly connected to the fan.
为了使安装箱内的气流流通，作为本实用新型的一种煤矿高压电机变频器冷却装置优选的，所述安装箱的上端面贯穿开设有多个均匀分布的通风孔。In order to allow air flow in the installation box, as a preferred embodiment of the utility model of a cooling device for a high-voltage motor frequency converter in a coal mine, a plurality of evenly distributed ventilation holes are provided through the upper end surface of the installation box.
为了便于对安装箱内进行清理和维护，作为本实用新型的一种煤矿高压电机变频器冷却装置优选的，所述安装箱的前端面活动连接有箱门。In order to facilitate cleaning and maintenance of the installation box, as a preferred cooling device for a high-voltage motor frequency converter in a coal mine of the utility model, the front end surface of the installation box is movably connected with a box door.
与现有技术相比，本实用新型的有益效果如下：Compared with the prior art, the beneficial effects of the utility model are as follows:
先启动电机，电机带动风扇，风扇带动常温气流通过固定环进入进风管道，风扇可提高气流的流速，常温气流通过进风管道进入冷却盒中，多个半导体制冷片产生冷气，进而对散热气流进行降温，然后将冷却的气流通过过风管道输送至分散腔内，通过过风孔将分散腔内的一部分气流输送至散热腔内，安装导热板和多个散热片将变频器本体产生的热量吸收，然后将安装导热板吸收的热量与冷气流进行热交换，进而对变频器本体进行冷却，同时，分散腔内的另一部分气流穿过过风孔直接吹到变频器本体的外表面，再次对变频器本体进行散热，从而对变频器进行有效散热。First, start the motor, and the motor drives the fan, and the fan drives the normal temperature airflow through the fixed ring into the air inlet duct. The fan can increase the flow rate of the airflow, and the normal temperature airflow enters the cooling box through the air inlet duct. Multiple semiconductor refrigeration plates generate cold air, which in turn cools the heat dissipation airflow, and then the cooled airflow is transported to the dispersion chamber through the air duct, and a part of the airflow in the dispersion chamber is transported to the heat dissipation chamber through the air holes, and a heat conduction plate and multiple heat sinks are installed to absorb the heat generated by the inverter body, and then the heat absorbed by the installed heat conduction plate is heat-exchanged with the cold airflow, thereby cooling the inverter body. At the same time, another part of the airflow in the dispersion chamber passes through the air holes and is directly blown to the outer surface of the inverter body, and the inverter body is again cooled, thereby effectively cooling the inverter.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为现有结构示意图；FIG1 is a schematic diagram of an existing structure;
图2为本实用新型整体结构示意图；Figure 2 is a schematic diagram of the overall structure of the utility model;
图3为本实用新型前视结构示意图；Figure 3 is a front view of the structure of the utility model;
图4为本实用新型左视结构示意图；FIG4 is a schematic diagram of the structure of the utility model from the left;
图5为本实用新型图3中a部放大结构示意图；FIG5 is an enlarged structural diagram of part a in FIG3 of the present invention;
图中：1、安装箱；2、隔板；3、分散腔；4、安装导热板；5、过风孔；6、变频器本体；7、散热腔；8、冷却盒；9、半导体制冷片；10、过风管道；11、进风管道；12、固定环；13、固定板；14、风扇；15、散热片；16、电机；17、通风孔；18、箱门。In the figure: 1. Installation box; 2. Partition; 3. Dispersion chamber; 4. Heat conduction plate installation; 5. Air holes; 6. Inverter body; 7. Heat dissipation chamber; 8. Cooling box; 9. Semiconductor refrigeration plate; 10. Air duct; 11. Air inlet duct; 12. Fixing ring; 13. Fixing plate; 14. Fan; 15. Heat sink; 16. Motor; 17. Ventilation holes; 18. Box door.
具体实施方式DETAILED DESCRIPTION
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。在本实用新型的描述中，需要理解的是，术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。此外，在本实用新型的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
请参阅图2至图5，一种煤矿高压电机变频器冷却装置，包括安装箱1，安装箱1的内部固定连接有两个上下分布的隔板2，两个隔板2之间开设有分散腔3，位于上方隔板2与安装箱1之间固定连接有安装导热板4，位于上方隔板2的上端面贯穿开设有多个均匀分布的过风孔5，安装导热板4的右侧壁安装有变频器本体6，安装导热板4的左侧壁与安装箱1之间开设有散热腔7，位于下方隔板2的下方设置有与分散腔3连通的冷却组件。Please refer to Figures 2 to 5, a cooling device for a high-voltage motor inverter in a coal mine includes an installation box 1, two upper and lower partitions 2 are fixedly connected to the inside of the installation box 1, a dispersion chamber 3 is opened between the two partitions 2, a heat conduction plate 4 is fixedly connected between the upper partition 2 and the installation box 1, a plurality of evenly distributed air holes 5 are penetrated through the upper end surface of the upper partition 2, an inverter body 6 is installed on the right side wall of the heat conduction plate 4, a heat dissipation chamber 7 is opened between the left side wall of the heat conduction plate 4 and the installation box 1, and a cooling component connected to the dispersion chamber 3 is arranged below the lower partition 2.
本实施例中：先通过冷却组件将气流进行冷却，然后将冷却的气流输送至分散腔3内，通过过风孔5将分散腔3内的一部分气流输送至散热腔7内，安装导热板4将变频器本体6产生的热量吸收，然后将安装导热板4吸收的热量与冷气流进行热交换，进而对变频器本体6进行冷却，同时，分散腔3内的另一部分气流穿过过风孔5直接吹到变频器本体6的外表面，再次对变频器本体6进行散热，从而对变频器进行有效散热。In this embodiment: the airflow is first cooled by the cooling component, and then the cooled airflow is transported to the dispersion chamber 3, and a part of the airflow in the dispersion chamber 3 is transported to the heat dissipation chamber 7 through the air holes 5, and the heat conducting plate 4 is installed to absorb the heat generated by the inverter body 6, and then the heat absorbed by the installed heat conducting plate 4 is heat exchanged with the cold airflow, thereby cooling the inverter body 6. At the same time, another part of the airflow in the dispersion chamber 3 passes through the air holes 5 and is directly blown to the outer surface of the inverter body 6, and the inverter body 6 is again cooled, thereby effectively cooling the inverter.
作为本实用新型的一种技术优化方案，冷却组件包括安装箱1内部下端固定连接的冷却盒8，冷却盒8的内部固定连接有多个左右分布的半导体制冷片9，冷却盒8与分散腔3之间连通有过风管道10，安装箱1与冷却盒8之间连通有进风管道11。As a technical optimization scheme of the utility model, the cooling assembly includes a cooling box 8 fixedly connected to the lower end of the installation box 1, and a plurality of semiconductor refrigeration plates 9 distributed on the left and right are fixedly connected to the interior of the cooling box 8. An air passage duct 10 is connected between the cooling box 8 and the dispersion chamber 3, and an air inlet duct 11 is connected between the installation box 1 and the cooling box 8.
本实施例中：常温气流通过进风管道11进入冷却盒8中，多个半导体制冷片9产生冷气，进而对散热气流进行降温，从而提高对变频器本体6的散热效果。In this embodiment: normal temperature air flow enters the cooling box 8 through the air inlet duct 11, and multiple semiconductor refrigeration plates 9 generate cold air, which in turn cools the heat dissipation air flow, thereby improving the heat dissipation effect of the inverter body 6.
作为本实用新型的一种技术优化方案，安装箱1的左侧壁固定连接有与进风管道11连通的固定环12，固定环12的内部固定连接有固定板13，固定板13的右侧壁转动连接有风扇14。As a technical optimization solution of the utility model, the left side wall of the installation box 1 is fixedly connected with a fixing ring 12 connected with the air inlet duct 11, the interior of the fixing ring 12 is fixedly connected with a fixing plate 13, and the right side wall of the fixing plate 13 is rotatably connected with a fan 14.
本实施例中：风扇14转动，风扇14带动常温气流通过固定环12进入进风管道11，风扇14可提高气流的流速，从而对安装箱1内输送气流。In this embodiment, the fan 14 rotates, and the fan 14 drives the normal temperature airflow to enter the air inlet duct 11 through the fixing ring 12. The fan 14 can increase the flow rate of the airflow, thereby conveying the airflow into the installation box 1.
作为本实用新型的一种技术优化方案，安装导热板4的左侧壁固定连接有多个均匀分布的且位于散热腔7内的散热片15。As a technical optimization solution of the present utility model, a left side wall on which the heat conducting plate 4 is mounted is fixedly connected with a plurality of heat sinks 15 evenly distributed and located in the heat dissipation cavity 7 .
本实施例中：多个散热片15能够增加与冷却气流接触的散热面积，从而提高对变频器本体6的散热效率。In this embodiment, the plurality of heat sinks 15 can increase the heat dissipation area in contact with the cooling airflow, thereby improving the heat dissipation efficiency of the inverter body 6 .
作为本实用新型的一种技术优化方案，固定板13的左侧壁安装有电机16，电机16的输出端贯穿固定板13并与风扇14固定连接。As a technical optimization solution of the present invention, a motor 16 is installed on the left side wall of the fixing plate 13 , and the output end of the motor 16 passes through the fixing plate 13 and is fixedly connected to the fan 14 .
本实施例中：启动电机16，电机16带动风扇14，为风扇14的转动提供动力。In this embodiment: the motor 16 is started, and the motor 16 drives the fan 14 to provide power for the rotation of the fan 14.
作为本实用新型的一种技术优化方案，安装箱1的上端面贯穿开设有多个均匀分布的通风孔17。As a technical optimization solution of the present invention, a plurality of evenly distributed ventilation holes 17 are formed through the upper end surface of the installation box 1 .
本实施例中：进行热交换之后的气流通过通风孔17排出，从而使安装箱1内的气流流通。In this embodiment, the airflow after heat exchange is discharged through the ventilation holes 17, so that the airflow in the installation box 1 can flow.
作为本实用新型的一种技术优化方案，安装箱1的前端面活动连接有箱门18。As a technical optimization solution of the present invention, the front end surface of the installation box 1 is movably connected with a box door 18.
本实施例中：箱门18便于对安装箱1内进行清理和维护。In this embodiment, the box door 18 facilitates cleaning and maintenance of the installation box 1 .
工作原理：先启动电机16，电机16带动风扇14，风扇14带动常温气流通过固定环12进入进风管道11，风扇14可提高气流的流速，常温气流通过进风管道11进入冷却盒8中，多个半导体制冷片9产生冷气，进而对散热气流进行降温，然后将冷却的气流通过过风管道10输送至分散腔3内，通过过风孔5将分散腔3内的一部分气流输送至散热腔7内，安装导热板4和多个散热片15将变频器本体6产生的热量吸收，然后将安装导热板4吸收的热量与冷气流进行热交换，进而对变频器本体6进行冷却，同时，分散腔3内的另一部分气流穿过过风孔5直接吹到变频器本体6的外表面，再次对变频器本体6进行散热，从而对变频器进行有效散热。Working principle: first start the motor 16, the motor 16 drives the fan 14, the fan 14 drives the normal temperature airflow through the fixed ring 12 into the air inlet duct 11, the fan 14 can increase the flow rate of the airflow, the normal temperature airflow enters the cooling box 8 through the air inlet duct 11, and multiple semiconductor refrigeration plates 9 generate cold air, thereby cooling the heat dissipation airflow, and then the cooled airflow is transported to the dispersion chamber 3 through the air duct 10, and a part of the airflow in the dispersion chamber 3 is transported to the heat dissipation chamber 7 through the air holes 5, the heat conducting plate 4 and multiple heat sinks 15 are installed to absorb the heat generated by the inverter body 6, and then the heat absorbed by the installed heat conducting plate 4 is heat exchanged with the cold airflow, thereby cooling the inverter body 6, and at the same time, another part of the airflow in the dispersion chamber 3 passes through the air holes 5 and blows directly to the outer surface of the inverter body 6, and the inverter body 6 is dissipated again, thereby effectively dissipating the heat of the inverter.
以上仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims (7)
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| CN202322943696.9U CN221886979U (en) | 2023-11-01 | 2023-11-01 | A cooling device for high-voltage motor frequency converter in coal mines |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119212353A (en) * | 2024-11-29 | 2024-12-27 | 浙江满毅电气有限公司 | A frequency converter device with heat dissipation structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119212353A (en) * | 2024-11-29 | 2024-12-27 | 浙江满毅电气有限公司 | A frequency converter device with heat dissipation structure |
| CN119212353B (en) * | 2024-11-29 | 2025-02-14 | 浙江满毅电气有限公司 | A frequency converter device with heat dissipation structure |
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