Power electronic equipment case structure with efficient heat dissipation

Abstract

The utility model discloses an efficient heat dissipation power electronic equipment case structure which comprises a case, and a heat dissipation cover and a heat dissipation fan which are communicated are fixedly arranged on the inner side and the outer side of the rear wall of the case. A plurality of heat dissipation openings with dustproof nets on the outer sides are formed in the two side walls of the case, and cleaning assemblies reciprocating along the dustproof nets are arranged on the outer sides of the two side walls of the case; a heat dissipation assembly is arranged at the top of the machine box and comprises a heat dissipation box, a rotating motor and a heat dissipation pipe located in the machine box, a stirring mechanism is arranged in the heat dissipation box, and the driving end of the rotating motor penetrates through the bottom of the heat dissipation box to be connected with the stirring mechanism; the two ends of the heat dissipation pipe penetrate out of the inner top wall of the case, one end of the heat dissipation pipe communicates with the heat dissipation box through a micro water pump to form a liquid water circulation loop, and the top of the heat dissipation box is provided with a radiator used for dissipating heat of liquid water in the heat dissipation box. According to the device, through cooperation of the heat dissipation assembly, the heat dissipation opening, the heat dissipation cover and the heat dissipation fan, the efficient heat dissipation effect of the equipment case can be better guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of power electronic equipment chassis technology, and particularly relates to a power electronic equipment chassis structure with high-efficiency heat dissipation. Background Technology

[0002] Electronics and power mainly involve electronic devices, microelectronics, and communication technologies, while power mainly studies the generation, transmission, and transformation of electrical energy. These electronic and power equipment components are often installed in distribution boxes. Distribution boxes are characterized by their small size, easy installation, special technical performance, fixed location, unique configuration functions, no site restrictions, wide application, stable and reliable operation, high space utilization, small footprint, and environmental benefits. In order to dissipate heat more promptly, cooling fans are usually installed in distribution boxes.

[0003] CN219811836U discloses a heat-dissipating power equipment chassis, including a chassis body. Both sides of the chassis body have mating grooves, and fan frames are installed within these grooves. Three cooling fans are installed within the fan frames, and a dustproof net is provided on the side of the fan frames away from the chassis body. Fixing plates are connected to both sides of the fan frames, and screws are threaded onto the fixing plates and connected to the chassis body. A retaining edge is provided near the inner edge of the mating grooves, and the fan frames and retaining edges are sealed together. The mating grooves of this device can... The fan rack is easy to install, and the cooling fan is installed inside the fan rack. When disassembly is needed, the screws can be removed from the enclosure, and then the fan rack can be removed from the docking slot, which is safe and convenient. The above technical solution only relies on the cooling fans on both sides to dissipate heat during use. However, when the ambient temperature around the enclosure is high, the heat dissipation effect of the fans is poor, which leads to the internal temperature of the enclosure not being able to be reduced in time, thus affecting the normal operation of the equipment inside the enclosure and making it inconvenient to use. Therefore, there is a need to provide a more efficient heat dissipation power electronic equipment enclosure structure to improve this. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this utility model provides a high-efficiency heat dissipation power electronic equipment chassis structure. It aims to improve the problem that when the ambient temperature around the chassis is high, the heat dissipation effect of the fan is poor, resulting in the internal temperature of the chassis not being able to be reduced in time, which in turn affects the normal operation of the equipment inside the chassis and makes it inconvenient to use.

[0005] The technical solution provided by this utility model is as follows:

[0006] This utility model provides a high-efficiency heat dissipation power electronic equipment chassis structure, including a chassis, with a heat dissipation shroud and a cooling fan fixedly mounted on the inner and outer sides of the rear wall of the chassis; several heat dissipation vents with dustproof nets on the outer sides of the two side walls of the chassis, and cleaning components that reciprocate along the dustproof nets on the outer sides of the two side walls of the chassis; a heat dissipation assembly is provided on the top of the chassis, including a heat dissipation box, a rotary motor and heat dissipation pipes located inside the chassis, a stirring mechanism is provided inside the heat dissipation box, the drive end of the rotary motor passes through the bottom of the heat dissipation box and is connected to the stirring mechanism, both ends of the heat dissipation pipes pass through the top wall of the chassis and one end is connected to the heat dissipation box through a micro water pump to form a liquid water circulation loop, and a radiator is provided on the top of the heat dissipation box for dissipating heat from the liquid water inside the heat dissipation box.

[0007] Furthermore, the heat pipes are distributed in a serpentine pattern inside the chassis and form curved sections at the top and bottom of the chassis. Several heat sinks are fixedly mounted on the outer surface of the heat pipes facing the front wall of the chassis, and the two ends of the heat sinks are fixedly connected to the inner side wall of the chassis.

[0008] Furthermore, the stirring mechanism includes a rotating rod and stirring blades fixed on the rotating rod. The rotating rod is connected to the drive end of a rotary motor, and the stirring blades are symmetrically distributed on both sides of the rotating rod and arranged in several pairs along the axial direction of the rotating rod.

[0009] Furthermore, the cleaning assembly includes a connecting box and a cleaning plate. The connecting box has two upper and lower ends corresponding to the uppermost and lowermost heat dissipation vents. The upper connecting box has a lead screw connected to a drive motor at one end, and the lower connecting box has a sliding rod. The upper and lower ends of the cleaning plate are respectively connected to the lead screw and the sliding rod. The cleaning plate has a cleaning brush that contacts the dustproof net along the vertical direction.

[0010] Furthermore, the connection between the cleaning plate and the lead screw is provided with matching threads, and the cleaning plate is slidably connected to the slide rod.

[0011] Furthermore, the connection box has mounting blocks at both ends, and the mounting blocks are fixedly connected to the chassis by bolts.

[0012] Furthermore, the inner sides of the two side walls of the chassis are provided with waterproof and breathable membranes, which cover all heat dissipation vents.

[0013] Furthermore, mounting plates are provided on both sides of the bottom of the equipment chassis, and multiple grounding nails are provided on the mounting plates.

[0014] Furthermore, a temperature sensor and a controller are installed inside the chassis.

[0015] Furthermore, the front side of the chassis is hinged with a door.

[0016] Beneficial effects

[0017] 1. In this utility model, by setting up a heat dissipation component, a micro water pump circulates the liquid water in the heat dissipation box through a serpentine heat dissipation pipe inside the chassis, thereby cooling the air inside the equipment chassis. In conjunction with the cooling fan, the cool air emitted by the heat dissipation pipe is blown towards the power electronic equipment, thereby cooling the power electronic equipment. At the same time, a rotating motor drives a stirring mechanism to agitate the liquid water, thereby achieving the purpose of cooling the liquid water and keeping the temperature of the liquid water inside the heat dissipation pipe at an optimal state, which can better ensure the efficient heat dissipation effect of the equipment chassis.

[0018] 2. In this utility model, by setting up a cleaning component, the drive motor drives the lead screw to rotate, thereby driving the cleaning brush to remove dust from the dustproof net. At the same time, with the cooperation of the waterproof and breathable membrane, it prevents dust or water vapor from entering the equipment box during the heat dissipation and exhaust process, which would affect the heat dissipation of the power equipment components. This allows it to achieve both dust removal and protection. Attached Figure Description

[0019] Figure 1 This is a rear perspective view of the overall structure of a high-efficiency heat dissipation power electronic equipment chassis structure according to the present invention.

[0020] Figure 2 This is a three-dimensional view of the internal structure of a power electronic device chassis according to the present invention, which provides a high-efficiency heat dissipation chassis structure.

[0021] Figure 3 This is a cross-sectional view of the internal structure of a power electronic device chassis according to the present invention, which provides a high-efficiency heat dissipation chassis structure.

[0022] Figure 4 This is an enlarged view of point A of the chassis structure of a high-efficiency heat dissipation power electronic device according to this utility model;

[0023] Figure 5 This is an enlarged view of section B of the chassis structure for a high-efficiency heat dissipation power electronic device according to this utility model.

[0024] Explanation of reference numerals in the attached diagram: 1. Chassis; 2. Heat sink cover; 3. Cooling fan; 4. Door; 5. Heat dissipation vent; 6. Heat dissipation assembly; 601. Heat sink box; 602. Rotary motor; 603. Rotating rod; 604. Stirring blade; 605. Radiator; 606. Heat dissipation pipe; 607. Miniature water pump; 7. Heat sink fins; 8. Cleaning assembly; 801. Cleaning plate; 802. Cleaning brush; 803. Connecting box; 804. Lead screw; 805. Drive motor; 806. Slide rod; 807. Dustproof net; 808. Waterproof and breathable membrane; 9. Temperature sensor; 10. Mounting plate. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.

[0026] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] Example 1

[0029] like Figure 1 As shown, this utility model provides a high-efficiency heat dissipation power electronic chassis structure, including a chassis 1. A heat dissipation shroud 2 and a cooling fan 3 are fixedly installed on the inner and outer sides of the rear wall of the chassis 1. Several heat dissipation vents 5 with dustproof nets 807 on the outer side are provided on the side walls of the chassis 1. A cleaning component that reciprocates along the dustproof nets 807 is provided on the outer side of the side walls of the chassis 1. A heat dissipation component is provided on the top of the chassis 1. The heat dissipation component includes a heat dissipation box 601, a rotary motor 602 and a heat dissipation pipe 606 located in the chassis 1. A stirring mechanism is provided in the heat dissipation box 601. The drive end of the rotary motor 602 passes through the bottom of the heat dissipation box 601 and is connected to the stirring mechanism. Both ends of the heat dissipation pipe 606 pass through the inner top wall of the chassis 1 and one end is connected to the heat dissipation box 601 through a micro water pump 607 to form a liquid water circulation loop. A radiator 605 is provided on the top of the heat dissipation box 601 for dissipating heat from the liquid water inside the heat dissipation box 601.

[0030] This invention utilizes a heat dissipation component to circulate liquid water from the heat dissipation box through a serpentine heat pipe within the chassis via a micro water pump. This cools the air inside the chassis. A cooling fan then blows the cool air emitted from the heat pipe onto the power electronic equipment, further cooling it. Simultaneously, a rotating motor drives a stirring mechanism to agitate the liquid water, achieving the same cooling effect and maintaining the optimal temperature of the liquid water inside the heat pipe, thus ensuring efficient heat dissipation within the chassis.

[0031] Example 2

[0032] like Figure 1 , Figure 2 and Figure 5 As shown, this utility model provides a high-efficiency heat dissipation power electronic chassis structure, including a chassis 1. A heat dissipation shroud 2 is fixedly installed on the outer side of the rear wall of the chassis 1, and a cooling fan 3 is installed at one end of the heat dissipation shroud 2 that penetrates into the interior of the chassis 1. A door 4 is hinged to the front side of the chassis 1. Several heat dissipation vents 5 with dustproof nets 807 are installed through the side walls of the chassis 1. Cleaning components 8 that reciprocate along the dustproof nets 807 are installed on the outer side of the side walls of the chassis 1. A heat dissipation component 6 is installed on the top of the chassis 1 and penetrates into the interior of the chassis 1. The heat dissipation component 6 includes a heat dissipation box 601, a rotary motor 602, and a heat dissipation pipe 606. A rotary motor 602 is fixedly installed at the bottom of the heat dissipation box 601. The machine 602 has a stirring mechanism inside the heat dissipation box 601. The stirring mechanism includes a rotating rod 603, and multiple stirring blades 604 are fixedly installed on the outer side of the rotating rod 603. Specifically, the stirring blades 604 are symmetrically distributed in pairs on both sides of the rotating rod 603 and arranged in several pairs along the axial direction of the rotating rod 603. The drive end of the rotary motor 602 passes through the heat dissipation box 601 and is fixedly connected to the rotating rod 603. A radiator 605 is fixedly installed on the top of the heat dissipation box 601. A heat dissipation pipe 606 is installed inside the machine casing 1. Both ends of the heat dissipation pipe 606 pass through the machine casing 1 and are connected to the heat dissipation box 601. A micro water pump 607 is installed at the connection point between one end of the heat dissipation pipe 606 and the heat dissipation box 601.

[0033] Specifically, a miniature water pump 607 is installed to guide the liquid water filled in the heat sink 601 to the heat pipe 606. The heat pipe 606 then circulates the liquid water within the chassis 1, cooling the air inside. Finally, the liquid water in the heat pipe 606 is discharged back into the heat sink 601. A radiator 605 is installed on top of the heat sink 601 to absorb the heat emitted by the heat sink 601, further reducing the heat generated by the liquid water inside. A rotary motor 602 drives a rotating rod 603, which in turn drives a stirring blade 604 to agitate the circulating liquid water within the heat sink 601, further cooling it. This ensures the liquid water inside the heat pipe 606 maintains its optimal temperature before being discharged again through the miniature water pump 607, achieving a continuous cooling and heat dissipation process that effectively guarantees efficient heat dissipation for the chassis 1.

[0034] In this embodiment, the heat dissipation pipe 606 is distributed in a serpentine pattern inside the chassis 1 and forms curved sections at the top and bottom of the chassis 1. Several heat dissipation fins 7 are fixedly mounted on the outer surface of the heat dissipation pipe 606 facing the front wall of the chassis 1, and the two ends of the heat dissipation fins 7 are fixedly connected to the inner side wall of the chassis 1. Figure 3 ).

[0035] Specifically, by setting up a heat sink 7, the heat pipe 606 is fixed to the heat sink 7, and both ends of the heat sink 7 are fixed to the inner side wall of the chassis 1. Therefore, the heat sink 7 can enhance the support and stability of the heat pipe 606 inside the chassis 1. At the same time, the power electronic device is in contact with the heat sink 7, and the heat sink 7 can also absorb heat from the power electronic device. The cool air blown by the cooling fan 3 towards the power electronic device can not only cool the power electronic device, but also cool the heat sink 7, further enhancing the heat dissipation effect of the power electronic device.

[0036] In this embodiment, as Figure 4 As shown, the cleaning assembly includes a connecting box 803 and a cleaning plate 801. The connecting box 803 has two parts corresponding to the upper and lower ends of the uppermost and lowermost heat dissipation vents 5. The upper connecting box 803 has a lead screw 804 connected to the drive motor 805 at one end, and the lower connecting box 803 has a slide rod 806. The upper and lower ends of the cleaning plate 801 are respectively connected to the lead screw 804 and the slide rod 806. A cleaning brush 802 that contacts the dustproof net 807 is fixedly installed on the cleaning plate 801 along the vertical direction. A waterproof and breathable membrane 808 covering all the heat dissipation vents 5 is fixedly installed on the outer side of the end of the heat dissipation vent 5 located inside the casing 1.

[0037] Specifically, by setting up a dustproof net 807 to block dust in the air, and by setting up a waterproof and breathable membrane 8, dust or moisture can be prevented from entering the chassis 1 during the heat dissipation and exhaust process, thus affecting the heat dissipation of the power equipment components. By setting up a drive motor 805, the drive motor 805 drives the lead screw 804 to rotate and move the cleaning plate 801. By setting up a cleaning brush 802 at the bottom of the cleaning plate 801, the cleaning plate 801 moves and drives the cleaning brush 802 to move horizontally back and forth on the surface of the dustproof net 807, thereby cleaning the dust and impurities on the surface of the dustproof net 807, preventing dust accumulation from clogging the mesh of the dustproof net 807 and affecting the normal use of the dustproof net 807, so that it can achieve the dual effect of dust removal and protection at the same time.

[0038] In this embodiment, the connection between the cleaning plate 801 and the lead screw 804 is provided with matching threads, and the cleaning plate 801 is slidably connected to the slide rod 806.

[0039] Specifically, by setting the slide bar 806, the end of the cleaning plate 801 connected to the slide bar 806 can also slide on its outside during the movement of the cleaning plate 801 driven by the lead screw 804, thereby enhancing the stability during the movement.

[0040] In this embodiment, mounting blocks are fixedly provided at both ends of the connecting box 803, and the mounting blocks are fixedly connected to the chassis 1 by bolts.

[0041] Specifically, by setting up mounting blocks and bolts, the connection box 803 can be easily installed and disassembled.

[0042] In this embodiment, a temperature sensor 9 and a controller are installed inside the chassis 1. Mounting plates 10 are fixedly installed at both ends of the chassis 1, and multiple grounding nails are installed through the top of the mounting plates 10. Figure 1 ).

[0043] Specifically, by setting temperature sensor 9 and controller (not shown in the figure), the temperature inside the chassis 1 can be monitored and regulated at all times. By setting mounting plate 10 and inserting ground nails, the chassis 1 can be stably installed and fixed on the ground.

[0044] The principle behind this utility model's efficient heat dissipation power electronic device chassis structure is as follows: During normal use, temperature sensor 9 can detect the internal temperature of chassis 1. When the internal temperature of chassis 1 reaches the predetermined value of temperature sensor 9, temperature sensor 9 can transmit an electrical signal to the controller (not shown in the figure) inside chassis 1. The controller (not shown in the figure) then controls the micro water pump 607, cooling fan 3, and rotary motor 602 to start. First, the micro water pump 607 guides the liquid water in the heat sink 601 to the heat dissipation pipe 606, and then dissipates the liquid water through a serpentine heat dissipation mechanism. The cooling pipe 606 circulates within the chassis 1, cooling the air inside. Simultaneously, the cooling fan 3 behind the cooling pipe 606 blows the cool air towards the power electronic equipment. This equipment comes into contact with the heatsink 7, which also absorbs and dissipates heat. The cool air blown towards the power electronic equipment cools both the equipment and the heatsink 7. Finally, the liquid water inside the cooling pipe 606 is drained back into the heat sink 601. Heater 605 absorbs the heat dissipated by heat sink 601, and rotary motor 602 drives rotor 603 to rotate, causing stirring blade 604 to agitate the liquid water discharged into heat sink 601, thereby cooling the liquid water. This maintains the optimal temperature of the liquid water inside heat sink 606, which is then discharged again by micro water pump 607, achieving cyclic cooling and heat dissipation. This ensures better heat dissipation of chassis 1. Chassis 1 exchanges internal and external air through heat vent 5, while dust filter 807 blocks dust from the air. Under the protection of the waterproof and breathable membrane 808, dust or moisture is prevented from entering the interior of the chassis 1 during the heat dissipation and exhaust process, which would affect the heat dissipation of the power equipment components. When the dust on the dustproof mesh 807 accumulates to a certain extent, the drive motor 805 will drive the lead screw 804 to rotate, causing the lead screw 804 to move the cleaning plate 801 and drive the cleaning brush 802 to move horizontally back and forth on the surface of the dustproof mesh 807, cleaning the dust and impurities on the surface of the dustproof mesh 807, and preventing the dust from accumulating and clogging the mesh holes on the surface of the dustproof mesh 807, thus affecting the normal use of the dustproof mesh 807.

[0045] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. All machines, parts and equipment adopt conventional models in the prior art. The control method is automatic control through the controller built into the power electronic chassis. The control circuit of the controller can be implemented by simple programming by those skilled in the art, which is common knowledge in the field. Therefore, this application will not explain the control method and circuit connection in detail.

[0046] The above description is merely a preferred embodiment of this utility model and does not constitute any limitation on this utility model. Any person skilled in the art can make many possible variations and modifications to the technical solution of this utility model, or modify it into equivalent embodiments, without departing from the scope of the technical solution of this utility model. Therefore, any modifications, equivalent changes, and alterations made to the above embodiments based on the technology of this utility model without departing from the scope of the technical solution of this utility model shall fall within the protection scope of this technical solution.

Claims

1. A power electronic device cabinet structure with high heat dissipation, characterized in that, The system includes a chassis, with a heat sink and cooling fan fixedly mounted on the inner and outer sides of the rear wall of the chassis; several heat dissipation vents with dust filters on the outer sides of the side walls of the chassis, and cleaning components that reciprocate along the dust filters on the outer sides of the side walls of the chassis; a heat dissipation assembly is located on the top of the chassis, which includes a heat sink box, a rotary motor, and heat pipes located inside the chassis. A stirring mechanism is located inside the heat sink box, and the drive end of the rotary motor passes through the bottom of the heat sink box and is connected to the stirring mechanism. Both ends of the heat pipes pass through the top wall of the chassis, and one end of each pipe is connected to the heat sink box via a micro water pump to form a liquid water circulation loop. A radiator is located on the top of the heat sink box for dissipating heat from the liquid water inside the heat sink box.

2. The power electronic device cabinet structure with high heat dissipation efficiency according to claim 1, characterized in that, The heat pipes are distributed in a serpentine pattern inside the chassis and form curved sections at the top and bottom of the chassis. Several heat sinks are fixedly mounted on the outer surface of the heat pipes facing the front wall of the chassis, and the two ends of the heat sinks are fixedly connected to the inner side wall of the chassis.

3. The power electronic device cabinet structure with high heat dissipation efficiency according to claim 1, characterized in that, The stirring mechanism includes a rotating rod and stirring blades fixed on the rotating rod. The rotating rod is connected to the drive end of a rotary motor. The stirring blades are symmetrically distributed on both sides of the rotating rod and arranged in several pairs along the axial direction of the rotating rod.

4. The power electronic device cabinet structure with high heat dissipation efficiency according to claim 1, characterized in that, The cleaning assembly includes a connecting box and a cleaning plate. The connecting box has two parts, corresponding to the upper and lower ends of the uppermost and lowermost heat dissipation vents, respectively. The upper connecting box contains a lead screw with one end connected to a drive motor, and the lower connecting box contains a sliding rod. The upper and lower ends of the cleaning plate are respectively connected to the lead screw and the sliding rod. The cleaning plate has a cleaning brush fixed in the vertical direction that contacts the dustproof net.

5. The power electronic device cabinet structure with high heat dissipation efficiency according to claim 4, characterized in that, The cleaning plate and the lead screw are connected by matching threads, and the cleaning plate and the slide rod are slidably connected.

6. The high efficient heat dissipating power electronic equipment cabinet structure according to claim 4, characterized in that, The connection box has mounting blocks at both ends, and the mounting blocks are fixedly connected to the chassis by bolts.

7. The high efficient heat dissipating power electronic equipment cabinet structure according to claim 4, characterized in that, The inner sides of the two side walls of the chassis are provided with waterproof and breathable membranes, which cover all heat dissipation vents.

8. The high efficient heat dissipating power electronics package structure of claim 1, wherein, The bottom of the equipment chassis is provided with mounting plates on both sides, and the mounting plates are provided with multiple grounding nails.

9. The high efficient heat dissipating power electronics package structure of claim 1, wherein, The chassis contains a temperature sensor and a controller.

10. The high efficient heat dissipating power electronics package structure of claim 1, wherein, The front of the chassis is hinged with a door.

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