Efficient and uniform heat dissipation power cabinet

Abstract

The power cabinet comprises a main body mechanism, a heat dissipation mechanism is fixedly arranged in the main body mechanism, and a photovoltaic mechanism is fixedly arranged at the top of the main body mechanism; the heat dissipation mechanism comprises a heat conduction coaming, a heat dissipation plate is fixedly installed on the top of the metal net partition plate, and a plurality of flow guide grooves are formed in the top of the heat dissipation plate. The photovoltaic mechanism comprises a bearing baffle, a liquid storage cover used for storing cooling water is fixedly installed at the top of the bearing baffle, a connecting rod fixedly connected with an electric reciprocating screw is installed in a flow guide pipe, a guide frame is fixedly installed at the bottom of a directional sliding sleeve, and a special-shaped guide disc is fixedly installed at the bottom of the connecting rod. In actual use, the guide frame can slide on the surface of the heat dissipation plate along the horizontal tracks of the two limiting sliding rods, so that when cooling water falls into the guide frame through the flow guide pipe and falls to the surface of the heat dissipation plate, the cooling water can be pushed to move on the surface of the heat dissipation plate, and the contact range of the cooling water and the surface of the heat dissipation plate is enlarged; and the heat dissipation range and the heat dissipation efficiency of the power cabinet are greatly improved.

Description

[0001] The patent application for this invention is a divisional application. The original application number is 202510260886.1. The application date is March 6, 2025. The name of the invention is a power cabinet that is easy to maintain. Technical Field

[0002] The present application relates to the field of electric power technology, and in particular to an electric power cabinet with efficient and uniform heat dissipation. Background Art

[0003] A power cabinet is a device used to protect, control, and monitor electrical equipment in power systems. It is usually made of metal and contains various switches, relays, circuit breakers, instruments, and control equipment. The power cabinet can be customized according to the needs of the electrical system and has the characteristics of high protection level, strong anti-interference ability, and easy operation. It is commonly found in substations, distribution rooms, and power supply systems of large mechanical equipment. At present, with the continuous increase in electrification demand, the heat dissipation demand of power cabinets has also increased significantly. Some power cabinets use liquid cooling for cooling, but since the liquid easily gathers together, it will cause uneven heat dissipation between areas. Summary of the Invention

[0004] The heat dissipation device is connected with the bridge to form a heat dissipation mechanism, and the bridge has two opposite ends, and one of the ends is disconnected from the mounting plate to form a cutout between the one of the ends and the mounting plate, so that the heat dissipation mechanism can be turned off.

[0005] Preferably, a drainage pipe connected to the guide groove is fixedly installed on one side of the heat dissipation plate, and one side of the drainage pipe extends out of the power cabinet.

[0006] Preferably, a second guide slot is fixedly installed on one side of the special-shaped guide disc, a directional sliding support rod is slidably installed in the inner cavity of the second guide slot, and a third telescopic spring fixedly connected to the second guide slot is fixedly installed at one end of the directional sliding support rod.

[0007] Preferably, the length of the directional sliding strut is consistent with the radius length of one side of the special-shaped guide disk where the second guide slot is provided.

[0008] Preferably, a plurality of photovoltaic support plates for mounting photovoltaic panels are hingedly connected to the top of the liquid storage hood, a plurality of fine holes are provided on the photovoltaic support plate, an internal threaded connecting sleeve is engaged on the electric reciprocating screw, and the internal threaded connecting sleeve is hinged to the photovoltaic support plate; a one-way circulation plate rotatably connected to the electric reciprocating screw is fixedly installed in the liquid storage hood, an elastic connecting ring is rotatably installed on the photovoltaic support plate, a first guide groove is provided on the inner wall of the liquid storage hood, a directional connecting plate is slidably installed in the first guide groove, the directional connecting plate is hinged to the elastic connecting ring, and a first telescopic spring is fixedly installed on one side of the directional connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the embodiments of the present invention or the existing technical solutions, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0010] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0011] Figure 2 It is a front cross-sectional view of the overall structure of the present invention;

[0012] Figure 3 For the present invention Figure 2 A magnified view of the structure of part A;

[0013] Figure 4 For the present invention Figure 2 A magnified view of the structure of part B;

[0014] Figure 5 For the present invention Figure 2 A magnified view of the C-section structure;

[0015] Figure 6 It is a side sectional view of the partial structure of the main body mechanism and the heat dissipation mechanism of the present invention;

[0016] Figure 7 For the present invention Figure 6 Enlarged view of the D part structure.

[0017] In the figure: 1. Main body; 101. Power cabinet; 102. Electrical components; 2. Photovoltaic mechanism; 21. Support baffle; 22. Liquid storage cover; 23. Photovoltaic support plate; 24. Electric reciprocating screw; 25. Internal thread connecting sleeve; 26. One-way flow plate; 27. Elastic connecting ring; 28. First guide slide; 29. ​​Directional connecting plate; 210. First telescopic spring; 3. Heat dissipation mechanism; 31. Heat conduction enclosure; 32. Metal mesh partition; 33. Metal heat conduction cover; 34. Heat dissipation plate; 35. Heat conduction groove; 36. Guide groove; 37. Guide pipe; 38. Connecting rod; 39. Limiting slide; 310. Directional slide; 311. Guide frame; 312. Special-shaped guide plate; 313. Second telescopic spring; 314. Second guide slide; 315. Directional sliding support rod; 316. Third telescopic spring; 317. Drain pipe. DETAILED DESCRIPTION

[0018] The principles and features of the present invention are described below with reference to the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0019] See also Figure 1-7 As shown in the figure, this embodiment provides a power cabinet with efficient and uniform heat dissipation, such as Figure 1-2 As shown, it includes a main body 1, and a heat dissipation mechanism 3 is fixedly installed inside the main body 1; Figure 2 As shown, the main body 1 includes a power cabinet 101, and an electrical component 102 is fixedly installed inside the power cabinet 101. Figure 5 As shown, the heat dissipation mechanism 3 includes a heat-conducting enclosure 31 fixedly installed on the top of the electrical device 102, and a plurality of metal mesh partitions 32 are fixedly installed on the top of the heat-conducting enclosure 31. A plurality of metal heat-conducting covers 33 are fixedly installed in a vertical state between the plurality of metal mesh partitions 32, and a heat sink 34 is fixedly installed on the top of the metal mesh partition 32. In actual use, the heat-conducting enclosure 31 is used to guide the heat generated by the electrical device 102 during operation to the metal mesh partition 32. After the metal mesh partition 32 absorbs heat, the temperature of the heat-conducting enclosure 31 drops rapidly to avoid heat accumulation in the core area of ​​the electrical device 102. Then the metal mesh partition 32 and the metal heat-conducting cover 33 absorb and store heat to relieve the heat load and ensure the stable operating temperature of the equipment. At the same time, the heat sink 34 dissipates heat to the surroundings.

[0020] Among them, the interiors of multiple metal heat-conducting covers 33 are set in a hollow state, and the inner cavities of multiple metal heat-conducting covers 33 are filled with paraffin and expanded graphite. The purpose of this setting is to enable the multiple metal heat-conducting covers 33 to divide the interior of the metal mesh partition 32 into multiple independent small cavities. Each small cavity is filled with paraffin and expanded graphite, which effectively prevents the multiple metal heat-conducting covers 33 and the paraffin and expanded graphite inside them from being stratified or moved due to thermal cycles, thereby improving the uniformity of heat transfer and enhancing the overall mechanical strength and stability of the metal mesh partition 32, thereby quickly responding to the heat dissipation needs of different heat source areas and achieving more precise thermal management.

[0021] At the same time, multiple metal mesh partitions 32 are provided with multiple interconnected heat conduction grooves 35 inside, so that during the phase change process of paraffin and expanded graphite inside the metal heat conductive cover 33, the heat absorbed by the multiple metal mesh partitions 32 themselves can be quickly circulated and diffused to the heat sink 34 through the heat conduction grooves 35.

[0022] Furthermore, a plurality of guide grooves 36 are provided on the top of the heat sink 34 to increase the heat dissipation area on the surface of the heat sink 34. By cooperating with the photovoltaic mechanism 2, external cooling water is utilized and guided to circulate in the guide grooves 36, so that the evaporative cooling effect of the cooling water on the surface of the heat sink 34 can further improve the heat dissipation efficiency.

[0023] Further, refer to Figure 2-3 As shown, a photovoltaic mechanism 2 is fixedly installed on the top of the main mechanism 1, and the photovoltaic mechanism 2 includes a supporting baffle 21 fixedly installed on the top of the power cabinet 101, and a liquid storage cover 22 for storing cooling water is fixedly installed on the top of the supporting baffle 21. The top of the liquid storage cover 22 is open, and the top of the liquid storage cover 22 is hinged with multiple photovoltaic support plates 23 for installing photovoltaic panels. An elastic waterproof belt can be fixedly connected between the multiple photovoltaic support plates 23, and the multiple photovoltaic support plates 23 are in an inclined state under normal conditions and are spliced ​​together to form a cone shape to cover the top of the liquid storage cover 22. At the same time, an electric reciprocating screw 24 is rotatably installed at the vertical center line position of the liquid storage cover 22, and the outer wall of the electric reciprocating screw 24 is engaged with an internal threaded connecting sleeve 25 hinged to the multiple photovoltaic support plates 23, and a waterproof driving motor can be provided below the electric reciprocating screw 24; combined with Figure 3 and Figure 5As shown, a one-way circulation plate 26 rotatably connected to the electric reciprocating screw 24 is fixedly installed inside the liquid storage cover 22, and a guide pipe 37 connected to the one-way circulation plate 26 is provided at the bottom of the liquid storage cover 22. A plurality of pressure-type one-way valves can be set at the connection between the one-way circulation plate 26 and the guide pipe 37. When the cooling water in the liquid storage cover 22 generates a pressure exceeding a threshold value on the pressure-type one-way valve, the cooling water can flow into the guide pipe 37 through the one-way circulation plate 26. The guide pipe 37 penetrates the power cabinet 101 and extends to above the guide groove 36 of the heat sink 34.

[0024] It can be understood that in actual use, the user can first install the photovoltaic panel on the photovoltaic support panel 23, and under normal conditions, multiple photovoltaic support panels 23 are tilted away from one side of the liquid storage cover 22, so that the multiple photovoltaic support panels 23 and the photovoltaic panels are in an inverted funnel-shaped cover on the top of the liquid storage cover 22, so that the photovoltaic panels can receive light from all directions, thereby improving the photoelectric conversion efficiency of the photovoltaic panels, and part of the electricity generated by the photovoltaic panels can be used to drive motors, etc.; secondly, by starting the electric reciprocating screw 24 to rotate, the internal threaded connecting sleeve 25 can drive the multiple photovoltaic support panels 23 and the hinged end of the internal threaded connecting sleeve 25 to move up and down, thereby changing the inclination angle of the multiple photovoltaic support panels 23 and the photovoltaic panels. Under normal conditions, the internal threaded connection sleeve 25 drives the photovoltaic support plate 23 to be set at a side position of the electric reciprocating screw 24 away from the one-way circulation plate 26. At this time, the multiple photovoltaic support plates 23 and the photovoltaic panels are in an inverted funnel shape, which is convenient for receiving light. When the electric reciprocating screw 24 is driven to rotate so that the internal threaded connection sleeve 25 drives the multiple photovoltaic support plates 23 to gradually tilt downward, the space between the liquid storage cover 22 and the photovoltaic support plate 23 begins to become smaller, thereby causing the cooling water stored between the liquid storage cover 22 and the photovoltaic support plate 23 to begin to be squeezed. When the pressure of the cooling water on the one-way circulation plate 26 reaches a threshold, the cooling water can pass through the one-way circulation plate 26 and enter the inner cavity of the guide pipe 37 and fall onto the heat sink 3 4, so that the cooling water circulates in the channel of the guide groove 36, greatly improving the heat dissipation efficiency; preferably, a plurality of small holes can be provided on the photovoltaic support plate 23, and in the process of the electric reciprocating screw 24 driving the photovoltaic support plate 23 to move downward, the speed of air or cooling water passing through the small holes is slow, so as to avoid affecting the pressure of the cooling water on the one-way circulation plate 26 during the downward movement and failing to reach the threshold; at the same time, when the electric reciprocating screw 24 is driven to rotate so that the internal threaded connection sleeve 25 is above the bottom one-way circulation plate 26, the photovoltaic support plate 23 and the photovoltaic panel are in an upright funnel shape, and part of the cooling water can pass through the small holes and remain in the funnel-shaped bottom formed by the photovoltaic support plate 23 and the photovoltaic panel. At this time, the electric reciprocating screw The rod 24 drives multiple photovoltaic support panels 23 to move upward gradually through the internal threaded connecting sleeve 25, and the photovoltaic support panel 23 and the photovoltaic panel begin to tilt gradually outward. In this process, the retained cooling water flows from the photovoltaic support panel 23 and the photovoltaic panel close to the end of the electric reciprocating screw 24 to the bottom end, and the dust attached to the photovoltaic panel is taken off, thereby improving the cleanliness of the surface of the photovoltaic panel and greatly improving the photoelectric conversion efficiency; in addition, when encountering rainy weather, the photovoltaic panel cannot perform efficient photoelectric conversion work, and the internal threaded connecting sleeve 25 can be driven to a lower position, so that the photovoltaic support panel 23 can better absorb part of the rainwater, which will slowly fall into the liquid storage cover 22 through the tiny holes, thereby supplementing the cooling water.

[0025] Further, refer to Figure 4As shown, the outer walls of multiple photovoltaic support panels 23 are rotatably installed with elastic connecting rings 27, and the inner wall of the liquid storage cover 22 is provided with a first guide slot 28. The inner cavities of multiple first guide slots 28 are slidably installed with directional connecting plates 29 hinged to the elastic connecting ring 27, and one side of multiple directional connecting plates 29 is fixedly installed with a first telescopic spring 210 fixedly connected to the first guide slot 28. During actual use, as the photovoltaic support panel 23 is tilted and adjusted, the directional connecting plate 29 can be telescopically moved in the inner cavity of the first guide slot 28 to avoid affecting the flexibility of the photovoltaic support panel 23 during tilt adjustment.

[0026] It can be understood that in actual use, as the photovoltaic support panel 23 is tilted and adjusted, the directional connecting plate 29 can be telescopically moved in the inner cavity of the first guide slot 28, thereby improving the flexibility of the photovoltaic support panel 23 during tilt adjustment and avoiding damage to the photovoltaic panel.

[0027] Further preferably, a connecting rod 38 fixedly connected to the electric reciprocating screw 24 is installed in the guide tube 37, two limiting slides 39 are fixed on the guide tube 37, a directional sleeve 310 is slidably installed on the limiting slide 39, a guide frame 311 is fixed at the bottom of the directional sleeve 310, a second telescopic spring 313 is fixed between the directional sleeve 310 and the guide tube 37, a special-shaped guide plate 312 is fixed at the bottom of the connecting rod 38, and the special-shaped guide plate 312 matches the connecting rod 38.

[0028] A drainage pipe 317 communicating with the guide groove 36 is fixedly mounted on one side of the heat dissipation plate 34 , and one side of the drainage pipe 317 extends out of the power cabinet 101 .

[0029] Specifically, referring to Figure 5 and Figure 7As shown, the inner cavity of the guide tube 37 is rotatably installed with a connecting rod 38 fixedly connected to the electric reciprocating screw 24, the outer wall of the guide tube 37 is fixedly installed with two limiting slides 39, the outer walls of the two limiting slides 39 are slidably installed with directional sleeves 310, the bottom of the two directional sleeves 310 is fixedly installed with a guide frame 311, a second telescopic spring 313 is fixedly installed between the directional sleeve 310 and the guide tube 37, and a special-shaped guide plate 312 is fixedly installed at the bottom of the connecting rod 38. In actual use, the guide frame 311 can slide on the surface of the heat sink 34 along the horizontal track of the two limiting slides 39 through the directional sleeve 310, so that when the cooling water passes through the guide tube When the tube 37 falls into the inside of the guide frame 311 and falls onto the surface of the heat sink 34, the guide frame 311 is moved back and forth, which can push the cooling water to move on the surface of the heat sink 34, thereby increasing the contact range of the cooling water with the surface of the heat sink 34, avoiding the problem of ineffective diffusion and affecting the overall heat dissipation efficiency of the heat sink 34; when the connecting rod 38 rotates synchronously with the electric reciprocating screw 24 and drives the special-shaped guide plate 312 to rotate, the more protruding side of the special-shaped guide plate 312 contacts the horizontal inner wall of the guide frame 311 and pushes the guide frame 311 to move horizontally. In this reciprocating motion, the guide frame 311 can be moved back and forth horizontally on the surface of the heat sink 34.

[0030] At the same time, a drainage pipe 317 connected to the guide groove 36 is fixedly installed on one side of the heat sink 34, and one side of the drainage pipe 317 extends out of the outer wall of the power cabinet 101. The purpose of this arrangement is to allow the cooling water to flow through the surface of the heat sink 34, and then flow through the inner cavity of the guide groove 36, and flow to the guide pipe 37 to be discharged from the inner cavity of the power cabinet 101, so as to avoid the excess cooling water from accumulating in the inner cavity of the power cabinet 101 for a long time, causing the problem of excessive moisture in the inner cavity of the power cabinet 101.

[0031] Alternatively, as another embodiment, refer to Figure 7The cam 314 is fixedly mounted on one side of the special-shaped guide plate 312, and a directional sliding rod 315 is slidably mounted on the inner cavity of the second guide sliding groove 314. One end of the directional sliding rod 315 is fixedly mounted on the third telescopic spring 316 which is fixedly connected to the second guide sliding groove 314. The length of the directional sliding rod 315 is consistent with the radius length of the side of the special-shaped guide plate 312 on which the second guide sliding groove 314 is provided. Under normal circumstances, the third telescopic spring 316 is in an expanded state to push the directional sliding rod 315 out of the inner cavity of the second guide sliding groove 314. When the connecting rod 38 rotates synchronously with the electric reciprocating screw 24, the special-shaped guide plate 312 is driven During rotational movement, as the side of the special-shaped guide plate 312 with the directional sliding rod 315 contacts the horizontal inner wall of the guide frame 311, the directional sliding rod 315 is pressed and retracted into the inner cavity of the second guide slot 314. When the side of the special-shaped guide plate 312 with the directional sliding rod 315 gradually rotates toward the side of the vertical inner wall of the guide frame 311, the directional sliding rod 315 loses its restraint and is pushed outward by the elastic restoring force of the third telescopic spring 316, thereby synchronously pushing the guide frame 311 close to the side of the directional sliding rod 315 to translate in the same direction. In this reciprocating manner, the guide frame 311 can be reciprocated on the surface of the heat sink 34.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An electric cabinet with high efficiency and uniform heat dissipation, comprising a main body (1), characterized in that: A heat dissipation mechanism (3) is fixedly installed in the main body (1), and a photovoltaic mechanism (2) is fixedly installed on the top of the main body (1); the heat dissipation mechanism (3) includes a heat-conducting enclosure (31), a plurality of metal mesh partitions (32) are fixedly installed on the top of the heat-conducting enclosure (31), a plurality of metal heat-conducting covers (33) are fixedly installed between the metal mesh partitions (32), a heat dissipation plate (34) is fixedly installed on the top of the metal mesh partition (32), and a plurality of guide grooves (36) are opened on the top of the heat dissipation plate (34); the photovoltaic mechanism (2) includes a supporting baffle (21), and the top of the supporting baffle (21) A liquid storage cover (22) for storing cooling water is fixedly installed, an electric reciprocating screw (24) is installed at the center of the liquid storage cover (22), and a guide tube (37) is provided at the bottom of the liquid storage cover (22); a connecting rod (38) fixedly connected to the electric reciprocating screw (24) is installed in the guide tube (37), two limiting slide rods (39) are fixedly installed on the guide tube (37), a directional sliding sleeve (310) is slidably installed on the limiting slide rod (39), a guide frame (311) is fixedly installed at the bottom of the directional sliding sleeve (310), and a special-shaped guide plate (312) is fixedly installed at the bottom of the connecting rod (38).

2. The power cabinet easy to maintain according to claim 1, characterized in that: A drainage pipe (317) connected to the guide groove (36) is fixedly mounted on one side of the heat dissipation plate (34), and one side of the drainage pipe (317) extends out of the power cabinet (101).

3. The power cabinet easy to maintain according to claim 2, characterized in that: A second guide slot (314) is fixedly installed on one side of the special-shaped guide plate (312), a directional sliding support rod (315) is slidably installed in the inner cavity of the second guide slot (314), and a third telescopic spring (316) fixedly connected to the second guide slot (314) is fixedly installed on one end of the directional sliding support rod (315).

4. The power cabinet easy to maintain according to claim 3, characterized in that: The length of the directional sliding support rod (315) is consistent with the radius length of one side of the special-shaped guide plate (312) on which the second guide slot (314) is provided.

5. The power cabinet easy to maintain according to claim 2, characterized in that: The top of the liquid storage cover (22) is hinged with a plurality of photovoltaic support plates (23) for installing photovoltaic panels, and the photovoltaic support plate (23) is provided with a plurality of fine holes. The electric reciprocating screw (24) is engaged with an internal thread connection sleeve (25), and the internal thread connection sleeve (25) is hinged to the photovoltaic support plate (23); a one-way circulation plate (26) rotatably connected to the electric reciprocating screw (24) is fixed in the liquid storage cover (22), an elastic connection ring (27) is rotatably installed on the photovoltaic support plate (23), a first guide slot (28) is provided on the inner wall of the liquid storage cover (22), a directional connection plate (29) is slidably installed in the first guide slot (28), the directional connection plate (29) is hinged to the elastic connection ring (27), and a first telescopic spring (210) is fixed on one side of the directional connection plate (29).

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