Cooling plate for frequency converter

Abstract

The utility model discloses a cooling plate for a frequency converter, which belongs to the technical field of frequency converter cooling and comprises a frequency converter body and a cooling box, a plurality of mounting bolts are fixedly connected to two opposite sides of the cooling box, and the cooling box is fixedly connected to the back of the frequency converter body through the mounting bolts. The cooling device has the beneficial effects that by arranging the liquid outlet pipe, the backflow pipe, the circulating pipe, the pump body and the cooling fan, water in the liquid storage box can be pumped out through operation of the pump body, the water can be circulated through the liquid outlet pipe, the backflow pipe and the circulating pipe, and under the flowing action of the circulating water, the temperature of the cooling plate, the heat conduction strips and the copper sheet cooling plate can be rapidly reduced; and meanwhile, the cooling fan is started, so that air flow can be generated in the cooling box, heat on the surfaces of the cooling plate, the heat conduction strip and the copper sheet cooling plate can be further discharged, and the purpose of rapidly cooling the interior of the frequency converter body can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converter cooling, and more specifically, to a cooling plate used for a frequency converter. Background Art

[0002] The frequency converter is an electric power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's working power supply.

[0003] At present, a lot of heat is generated inside the inverter when it is in use, but the existing heat dissipation device cannot achieve rapid heat dissipation. It only dissipates heat through a simple fan, and the heat dissipation efficiency is low, which can easily affect the operation of electrical components inside the inverter and bring certain safety hazards. Therefore, in view of the above problems, a cooling plate for the inverter is specially proposed. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a cooling plate for a frequency converter, which has a high heat dissipation effect and is convenient for people to quickly discharge the heat inside the frequency converter.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides a cooling plate for a frequency converter, comprising a frequency converter body and a cooling box, wherein the cooling box is fixedly connected with a plurality of mounting bolts on opposite sides, the cooling box is fixedly connected to the back of the frequency converter body by a plurality of mounting bolts, the inner side of the cooling box is fixedly connected with a cooling plate, the back of the cooling plate is overlapped with the back of the frequency converter body, the front of the cooling plate is fixedly connected with a plurality of heat conducting strips, the front of the heat conducting strip is fixedly connected with a copper sheet heat sink, placement grooves are formed between the plurality of the copper sheet heat sinks, a circulation pipe is clamped inside the placement groove, and the surface of the circulation pipe Overlapping the front side of the cooling plate and the surface of the copper sheet heat sink, the bottom of the cooling box is fixedly connected with a liquid storage box and a pump body, the input end of the pump body is arranged on the inner side of the liquid storage box, the output end of the pump body is fixedly connected with a liquid outlet pipe, the output end of the liquid outlet pipe is fixedly connected to the input end of the circulation pipe, the output end of the circulation pipe is fixedly connected with a reflux pipe, the output end of the reflux pipe is arranged at the top inside the liquid storage box, two installation frames are fixedly connected on opposite sides of the cooling box, installation blocks are clamped inside the installation frames, a support frame is fixedly connected between the four installation blocks, and a plurality of cooling fans are fixedly connected inside the support frame.

[0008] When using a cooling plate for a frequency converter according to the technical solution, a liquid outlet pipe, a reflux pipe, a circulation pipe, a pump body and a cooling fan are provided. When the pump body is running, the water in the liquid storage box can be pumped out, and the water can be circulated through the liquid outlet pipe, the reflux pipe and the circulation pipe. Under the flow of the circulating water, the temperature of the cooling plate, the thermal conductive strip and the copper sheet heat sink can be quickly reduced. At the same time, starting the cooling fan can generate air flow inside the cooling box, thereby further dissipating the heat on the surfaces of the cooling plate, the thermal conductive strip and the copper sheet heat sink, thereby achieving the purpose of rapid heat dissipation and cooling inside the frequency converter body.

[0009] Furthermore, air intake frames are fixedly connected to opposite sides of the cooling box, and a filter plate is fixedly connected to the inside of the air intake frame.

[0010] Furthermore, a door body is movably connected to the front of the cooling box, and a plurality of air outlet holes are opened on the front of the door body.

[0011] Furthermore, positioning holes are provided on two opposite sides of the installation frame, and two movable grooves are provided inside the installation block.

[0012] Furthermore, a positioning spring is fixedly connected to the inner side of the movable groove, and one end of the positioning spring is fixedly connected to a movable plate.

[0013] Furthermore, a positioning block is fixedly connected to the side surface of the movable plate.

[0014] Furthermore, one end of the positioning block is clamped in the positioning hole.

[0015] (3) Beneficial effects

[0016] In summary, the utility model has the following beneficial effects:

[0017] 1. The cooling plate for the frequency converter is provided with a liquid outlet pipe, a return pipe, a circulation pipe, a pump body and a heat dissipation fan. When the pump body is running, the water in the liquid storage box can be pumped out. The water can be circulated through the liquid outlet pipe, the return pipe and the circulation pipe. Under the flow of the circulating water, the temperature of the cooling plate, the heat conducting strip and the copper sheet heat dissipation plate can be quickly reduced. At the same time, the heat dissipation fan can be started to generate air flow inside the cooling box, so that the heat on the surface of the cooling plate, the heat conducting strip and the copper sheet heat dissipation plate can be further discharged, so as to achieve the purpose of rapid heat dissipation and cooling inside the frequency converter body;

[0018] 2. The cooling plate for the frequency converter can filter the air entering the cooling box by setting a filter plate, thereby preventing dust from flowing into the cooling box;

[0019] 3. The cooling plate for the frequency converter is provided with a mounting block, a mounting frame, a positioning block and a positioning hole. People snap the mounting block into the mounting frame. Then, through the snap-fitting effect of the positioning block and the positioning hole, people can detach or fix the mounting block in the mounting frame, thereby facilitating people to install and disassemble the cooling fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of the utility model in a front view;

[0022] Figure 2 It is a schematic diagram of the structure of the utility model from the side;

[0023] Figure 3 This is a schematic diagram of the structure of the copper sheet heat sink in the utility model;

[0024] Figure 4 It is a structural schematic diagram of the heat dissipation fan in the utility model;

[0025] Figure 5 for Figure 2 Schematic diagram of the structure with enlarged cross-section at point A in the middle.

[0026] The symbols in the accompanying drawings are:

[0027] 1. Inverter body;

[0028] 2. Cooling box; 201. Cooling plate; 202. Thermal strip; 203. Copper heat sink; 204. Placement slot; 205. Circulation pipe; 206. Liquid storage box; 207. Pump body; 208. Liquid outlet pipe; 209. Reflux pipe; 2010. Installation frame; 2011. Support frame; 2012. Cooling fan; 2013. Air intake frame; 2014. Filter plate; 2015. Door body; 2016. Air outlet; 2017. Installation block; 2018. Positioning hole; 2019. Movable slot; 2020. Positioning spring; 2021. Movable plate; 2022. Positioning block; 2023. Mounting bolts. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0030] Example:

[0031] The following is combined with Figure 1-5 The utility model is described in further detail.

[0032] See also Figure 1-5 The utility model provides a technical solution: a cooling plate for a frequency converter, comprising a frequency converter body 1 and a cooling box 2, wherein the cooling box 2 is fixedly connected with a plurality of mounting bolts 2023 on opposite sides, the cooling box 2 is fixedly connected to the back of the frequency converter body 1 by means of a plurality of mounting bolts 2023, a cooling plate 201 is fixedly connected to the inner side of the cooling box 2, the back of the cooling plate 201 is overlapped with the back of the frequency converter body 1, a plurality of heat conducting strips 202 are fixedly connected to the front of the cooling plate 201, a copper sheet heat sink 203 is fixedly connected to the front of the heat conducting strips 202, a placement groove 204 is formed between the plurality of copper sheet heat sinks 203, a circulation pipe 205 is clamped inside the placement groove 204, and the surface of the circulation pipe 205 is overlapped with the front of the cooling plate 201 and the surface of the copper sheet heat sink 203, a liquid storage box 206 and a pump body 207 are fixedly connected to the bottom of the cooling box 2, the input end of the pump body 207 is arranged on the inner side of the liquid storage box 206, the output end of the pump body 207 is fixedly connected to a liquid outlet pipe 208, the output end of the liquid outlet pipe 208 is fixedly connected to the input end of the circulation pipe 205, the output end of the circulation pipe 205 is fixedly connected to a return pipe 209, the output end of the return pipe 209 is arranged on the top of the liquid storage box 206, two mounting frames 2010 are fixedly connected on opposite sides of the cooling box 2, a mounting block 2017 is clamped inside the mounting frame 2010, a support frame 2011 is fixedly connected between the four mounting blocks 2017, and a plurality of cooling fans 2012 are fixedly connected inside the support frame 2011.

[0033] By adopting the above technical scheme, by setting the liquid outlet pipe 208, the return pipe 209, the circulation pipe 205, the pump body 207 and the cooling fan 2012, the pump body 207 can be operated to pump out the water in the liquid storage box 206, and the water can be circulated through the liquid outlet pipe 208, the return pipe 209 and the circulation pipe 205. Under the flow of the circulating water, the temperature of the cooling plate 201, the thermal conductive strip 202 and the copper sheet heat sink 203 can be quickly reduced. At the same time, the cooling fan 2012 is started to generate air flow inside the cooling box 2, so that the heat on the surface of the cooling plate 201, the thermal conductive strip 202 and the copper sheet heat sink 203 can be further discharged, so as to achieve the purpose of rapid heat dissipation and cooling inside the inverter body 1.

[0034] See also Figure 2 and Figure 3 An air intake frame 2013 is fixedly connected to opposite sides of the cooling box 2, a filter plate 2014 is fixedly connected to the inside of the air intake frame 2013, a door body 2015 is movably connected to the front of the cooling box 2, and a plurality of air outlet holes 2016 are opened on the front of the door body 2015.

[0035] By adopting the above technical solution and setting the filter plate 2014 , the air entering the cooling box 2 can be filtered, thereby preventing dust from flowing into the cooling box 2 .

[0036] See also Figure 4 and Figure 5 , positioning holes 2018 are provided on opposite sides of the installation frame 2010, and two movable grooves 2019 are provided inside the installation block 2017. A positioning spring 2020 is fixedly connected to the inner side of the movable groove 2019, and one end of the positioning spring 2020 is fixedly connected to a movable plate 2021, and a positioning block 2022 is fixedly connected to the side of the movable plate 2021, and one end of the positioning block 2022 is clamped in the positioning hole 2018.

[0037] By adopting the above technical solution, by setting the mounting block 2017, the mounting frame 2010, the positioning block 2022 and the positioning hole 2018, people can snap the mounting block 2017 into the mounting frame 2010, and then through the snap-fitting effect of the positioning block 2022 and the positioning hole 2018, people can detach or fix the mounting block 2017 in the mounting frame 2010, thereby facilitating people to install and disassemble the cooling fan 2012.

[0038] The working principle of the utility model is:

[0039] When in use, people install the cooling box 2 on the back of the inverter body 1 by installing the bolts 2023, and then people press the movable plate 2021 to snap the mounting block 2017 into the mounting frame 2010. After the snap connection is completed, the movable plate 2021 is released, and the positioning block 2022 can be snapped into the positioning hole 2018 under the action of the positioning spring 2020, and the cooling fan 2012 can be installed in the cooling box 2. After the installation is completed, when the inverter body 1 is used, people control the operation of the pump body 207 through the external controller, and then through the cooling plate 201, the heat conducting strip 202 and the copper sheet heat sink 203, the cooling fan 2012 can be installed in the cooling box 2. The heat in the inverter body 1 is absorbed and dissipated, and then the pump body 207 is running to pump out the water in the liquid storage box 206, and the water is circulated through the liquid outlet pipe 208, the reflux pipe 209 and the circulation pipe 205. Under the flow of circulating water, the temperature of the cooling plate 201, the thermal conductive strip 202 and the copper sheet heat sink 203 can be quickly reduced. At the same time, the cooling fan 2012 is started to generate air flow inside the cooling box 2, so that the heat on the surface of the cooling plate 201, the thermal conductive strip 202 and the copper sheet heat sink 203 can be further discharged, so as to achieve the purpose of rapid heat dissipation and cooling inside the inverter body 1.

[0040] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A cooling plate for a frequency converter, comprising a frequency converter body (1) and a cooling box (2), characterized in that: The cooling box (2) is fixedly connected with a plurality of mounting bolts (2023) on opposite sides. The cooling box (2) is fixedly connected to the back of the inverter body (1) by means of the plurality of mounting bolts (2023). The inner side of the cooling box (2) is fixedly connected with a cooling plate (201). The back of the cooling plate (201) overlaps the back of the inverter body (1). The front of the cooling plate (201) is fixedly connected with a plurality of heat conducting strips (202). The front of the heat conducting strips (202) is fixedly connected with a copper heat sink (203). A placement groove (204) is formed between the plurality of copper heat sinks (203). A circulation pipe (205) is clamped inside the placement groove (204). The surface of the circulation pipe (205) overlaps the front of the cooling plate (201) and the surface of the copper heat sink (203). The bottom of the cooling box (2) is fixedly connected with a plurality of heat conducting strips (202). A liquid storage box (206) and a pump body (207) are fixedly connected, the input end of the pump body (207) is arranged on the inner side of the liquid storage box (206), the output end of the pump body (207) is fixedly connected to a liquid outlet pipe (208), the output end of the liquid outlet pipe (208) is fixedly connected to the input end of the circulation pipe (205), the output end of the circulation pipe (205) is fixedly connected to a return pipe (209), the output end of the return pipe (209) is arranged at the top of the inner part of the liquid storage box (206), two installation frames (2010) are fixedly connected to opposite sides of the inner part of the cooling box (2), the inner part of the installation frame (2010) is clamped with an installation block (2017), a support frame (2011) is fixedly connected between the four installation blocks (2017), and the inner part of the support frame (2011) is fixedly connected with a plurality of cooling fans (2012).

2. The cooling plate for a frequency converter according to claim 1, characterized in that: An air intake frame (2013) is fixedly connected to opposite sides of the cooling box (2), and a filter plate (2014) is fixedly connected to the inside of the air intake frame (2013).

3. The cooling plate for a frequency converter according to claim 2, characterized in that: The front side of the cooling box (2) is movably connected to a door body (2015), and the front side of the door body (2015) is provided with a plurality of air outlet holes (2016).

4. The cooling plate for a frequency converter according to claim 1, characterized in that: Positioning holes (2018) are provided on opposite sides of the installation frame (2010), and two movable grooves (2019) are provided inside the installation block (2017).

5. The cooling plate for a frequency converter according to claim 4, characterized in that: A positioning spring (2020) is fixedly connected to the inner side of the movable groove (2019), and one end of the positioning spring (2020) is fixedly connected to a movable plate (2021).

6. The cooling plate for a frequency converter according to claim 5, characterized in that: A positioning block (2022) is fixedly connected to the side of the movable plate (2021).

7. The cooling plate for a frequency converter according to claim 6, characterized in that: One end of the positioning block (2022) is snap-fitted into the positioning hole (2018).

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