Low-voltage reactive compensation high-low voltage complete switch cabinet

Abstract

The utility model relates to the technical field of switch cabinets, and discloses a low-voltage reactive compensation high-low voltage complete switch cabinet, which comprises a box body, a box cover is clamped on the upper surface of the box body, and a rotating shaft, a ball, a filter screen and a hinge are fixedly connected in the upper surface of the box cover. According to the utility model, the structure is reasonable, the turnover cover rotates in the box body, and the reactive power compensator slides in the box body, so that the situation that the conventional device is easy to damage after being exposed to the sun and wind for a long time due to lack of protection consideration on the reactive power compensator, and the device is damaged due to some serious small problems is reduced; the effects that the switch cabinet is prevented from being damaged to a certain extent through the protection of the flip cover and the service life of the switch cabinet is prolonged are achieved by drawing out the switch cabinet in the sliding grooves without sliding and withdrawing the switch cabinet into the box body when the switch cabinet is not used, the situation that the reactive power compensator is not fixed and considered in the prior art is reduced by pressing the balls through the springs, and the reactive power compensator is firmly fixed. And the switch cabinet operates stably.

Description

Technical Field

[0001] This utility model relates to the field of switchgear technology, specifically to a high-low voltage switchgear with low-voltage reactive power compensation. Background Technology

[0002] The main function of an electrical cabinet is to open, close, control, and protect electrical equipment during the power generation, transmission, distribution, and energy conversion processes of a power system. Electrical cabinets can house various electrical components such as circuit breakers, disconnect switches, load switches, operating mechanisms, instrument transformers, and protective devices, making them suitable for a wide range of applications including power plants, substations, petrochemical plants, metallurgical steel rolling mills, light industry and textiles, factories and mines, residential communities, and high-rise buildings.

[0003] The high-low voltage switchgear with low-voltage reactive power compensation disclosed in Chinese Utility Model Patent Application Publication No. CN213093615U has the following advantages: dry air enters the inner cavity of the cabinet through the ventilation holes, moves upward along the vent holes on the electrical component mounting plate and the gaps between the left and right ends of the electrical component mounting plate and the inner wall of the cabinet, carries away the heat generated by the electrical components, and is finally discharged from the air outlet. However, the existing device does not solve the problem that it is prone to instability when affected by strong winds, which leads to the switchgear being unstable, and in severe cases, tilting or even collapsing. Some impurities in the air enter the switchgear and adhere to its surface, causing problems with the switch assembly under long-term influence. Therefore, we propose a new device to solve the above problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a high-low voltage switchgear with low-voltage reactive power compensation, which solves the problem of instability caused by strong winds, resulting in unstable switchgear, tilting or even collapse in severe cases, and the problem of impurities in the air entering the switchgear and adhering to its surface.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model is implemented through the following technical solution: It includes a housing, a lid snapped onto the upper surface of the housing, a rotating shaft fixedly connected inside the upper surface of the lid, an exhaust fan fixedly connected inside the rotating shaft, a shielding cover fixedly connected to the upper surface of the lid, a flip cover rotatably connected to one side of the lid, a reactive power compensator slidably connected to one side of the housing, a spring fixedly connected to one side of the housing, a ball bearing fixedly connected to one end of the spring, a stabilizing fan rotatably connected to one side of the housing, a filter snapped onto the inside of the housing, a drying mesh snapped onto one side of the filter, a switch assembly fixedly connected to the inside of the housing, and a lower air intake plate fixedly connected to the inside of the housing.

[0008] Optionally, the interior of the enclosure is provided with a fixed bracket that can be adapted to the switch assembly, and the lower surface of the enclosure cover is provided with a locking post that can be adapted to the locking groove on the upper surface of the enclosure.

[0009] Optionally, the surface of the shielding cover is provided with an anti-corrosion coating, a heat dissipation hole is provided on one side of the reactive power compensator, and a slider is provided on the lower surface of the reactive power compensator to be adapted to a sliding groove provided on one side of the housing.

[0010] Optionally, the fan is semi-circular, the housing has a locking post on one side that can be adapted to the filter screen, and the drying screen is made of water-absorbing material.

[0011] Optionally, an upper air intake plate is fixedly connected inside the housing, a filter screen is fixedly connected to the lower surface inside the housing, and multiple holes are provided on the lower surface of the housing to fit the filter screen.

[0012] Optionally, the lower surface of the housing is fixedly connected to a fixed sliding groove, a fixed slider is slidably connected inside the fixed sliding groove, a fixed post is inserted into one side of the fixed sliding groove, and a circular washer is provided on the surface of the fixed slider.

[0013] Optionally, a hinge is snapped onto one side of the housing, a door is snapped onto one side of the hinge, a locking post is inserted into one side of the hinge, and a groove is provided on one side of the door to fit the hinge.

[0014] Optionally, the interior of the cabinet door is slidably connected with a latch, one side of the latch is fixedly connected with a retaining spring, one end of the retaining spring is fixedly connected with a retaining bead, and the interior of the cabinet door has a groove that can fit the retaining bead.

[0015] In summary, the technical effects and advantages of this utility model are as follows:

[0016] 1. This utility model has a reasonable structure. The flip-top rotates inside the housing, and the reactive power compensator slides within the housing. This reduces the lack of protection for the reactive power compensator in previous devices, which were prone to damage after long-term exposure to wind and sun. This addresses the issue of minor problems leading to serious damage. The flip-top protects the switchgear from damage by allowing it to slide out without sliding and retract into the housing when not in use, extending its service life. The spring-loaded ball bearings also address the lack of secure fixing in previous devices, which resulted in unstable connections and problems after prolonged use. The spring and ball bearings work together to firmly secure the compensator, ensuring stable operation of the switchgear. Finally, the cover protects the switchgear from external elements, preventing corrosion and damage from prolonged exposure to sun and rain. This protection significantly reduces external impacts, ensuring stable operation and extending the switchgear's lifespan. The advanced fan design reduces the instability that traditional switchgear, when placed outdoors, is prone to experiencing when exposed to strong winds. This instability can lead to tilting or even collapse, causing damage, malfunctions, or even explosions that could result in injuries or fatalities. The semi-circular fan blades effectively disperse wind force, providing excellent turbulence and significantly mitigating the direct impact of wind on the switchgear surface. This stabilizes the switchgear, reduces risks, and greatly enhances the device's practicality. The filter screen addresses the lack of external air filtration in previous devices, which allowed impurities to enter the switchgear and adhere to its surface. Over time, this could cause malfunctions, disrupt the switchgear's internal balance during maintenance, and even lead to damage or explosions. The filter screen effectively removes a significant portion of these impurities, greatly reducing operational risks, ensuring smoother internal operation, extending service life, and significantly enhancing the device's overall practicality.

[0017] 2. This utility model has a reasonable structure. Through the drying mesh, it reduces the risk of moisture condensation on the switchgear surface caused by moisture in the air during normal operation, especially on cloudy or rainy days when humidity is higher. This can lead to burnout or even explosion due to increased internal temperature and significantly increased uncontrollable risks. The combination of the drying mesh and filter ensures a dry and clean internal environment for the switchgear in most conditions, greatly reducing the probability of uncontrollable risks and significantly improving the practicality of the switchgear. When the switchgear temperature rises, cool outside air enters through the filter and is guided to the top of the cabinet by the lower air intake plate. The upper exhaust plate guides the air back to the lower exhaust plate, directing it through the airflow path behind the switchgear. This addresses the shortcomings of previous devices that lacked consideration for guiding outside cold air, resulting in inefficient cooling by simply allowing the air to directly contact the switchgear. Prolonged operation led to excessive dust accumulation on the surface, causing malfunctions and even dangerous situations. The upper exhaust plate amplifies the air's kinetic energy, guiding it to a certain height before it falls and impacts the switchgear, further dislodging surface deposits and carrying them away with the airflow. This more effective cooling and dust removal significantly improves the overall cooling and dust removal performance. This significantly improves the practicality of the device. The exhaust fan rotates inside the shaft, reducing the problems of previous devices that lacked proper ventilation for hot air from the top of the switchgear, preventing some air from circulating properly and causing insufficient cooling, which could lead to malfunctions. The exhaust fan drives the rotation of the shaft to expel hot air as it rises inside the switchgear, accelerating internal circulation and improving cooling. The door is secured by a sliding pin inside the cabinet and a spring-loaded retaining ring. The door is opened via a hinge, reducing the risk of accidental opening due to the inherent danger of the switchgear. The emergence of uncontrollable risks that could lead to personnel hazards is addressed by using a locking pin to ensure a tighter seal, reducing accidental contact and protecting personnel safety to some extent. The adjustable locking slider slides into the groove and is then secured by a fixing post. This reduces the instability and potential tipping of the switchgear during external installations due to environmental uncertainties and uneven terrain, which could lead to a series of uncontrollable hazards. The adjustable locking slider and the stability of the ring ensure the switchgear is firmly placed on uneven surfaces, minimizing risks and significantly improving the device's practicality. Attached Figure Description

[0018] Figure 1This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is an exploded view of the box cover structure of this utility model;

[0020] Figure 3 This is an exploded view of the reactive power compensator structure of this utility model;

[0021] Figure 4 This is an exploded view of the box structure of this utility model.

[0022] Figure 5 This is an exploded view of the door structure of this utility model.

[0023] Figure 6 This is a cross-sectional view of the box structure of this utility model.

[0024] In the diagram: 1. Cabinet; 2. Cabinet lid; 3. Shaft; 4. Exhaust fan; 5. Cover; 6. Flip-top; 7. Reactive power compensator; 8. Spring; 9. Ball bearing; 10. Stabilizing fan; 11. Filter screen; 12. Drying screen; 13. Switch assembly; 14. Lower air intake plate; 15. Upper air intake plate; 16. Filter screen; 17. Fixed slide rail; 18. Fixed slider; 19. Fixed post; 20. Hinge; 21. Cabinet door; 22. Locking post; 23. Pin; 24. Snap ring; 25. Snap ball. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example: Reference Figures 1-6 The high and low voltage switchgear with low voltage reactive power compensation shown includes a cabinet 1, a cover 2 snapped onto the upper surface of the cabinet 1, a rotating shaft 3 fixedly connected inside the upper surface of the cover 2, an exhaust fan 4 fixedly connected inside the rotating shaft 3, a shielding cover 5 fixedly connected to the upper surface of the cover 2, a flip cover 6 rotatably connected to one side of the cover 2, a reactive power compensator 7 slidably connected to one side of the cabinet 1, a spring 8 fixedly connected to one side of the cabinet 1, a ball bearing 9 fixedly connected to one end of the spring 8, a stabilizing fan 10 rotatably connected to one side of the cabinet 1, a filter screen 11 snapped onto the inside of the cabinet 1, a drying mesh 12 snapped onto one side of the filter screen 11, a switch assembly 13 fixedly connected to the inside of the cabinet 1, and a lower exhaust plate 14 fixedly connected to the inside of the cabinet 1.

[0027] As a preferred embodiment of this example, Figures 1 to 6The diagram shows a housing 1, a cover 2 snapped onto the upper surface of the housing 1, a rotating shaft 3 fixedly connected inside the upper surface of the cover 2, an exhaust fan 4 fixedly connected inside the rotating shaft 3, a shield 5 fixedly connected to the upper surface of the cover 2, a flip cover 6 rotatably connected to one side of the cover 2, a reactive power compensator 7 slidably connected to one side of the housing 1, a spring 8 fixedly connected to one side of the housing 1, a ball bearing 9 fixedly connected to one end of the spring 8, a stabilizing fan 10 rotatably connected to one side of the housing 1, a filter 11 snapped into the interior of the housing 1, a drying mesh 12 snapped into one side of the filter 11, a switch assembly 13 fixedly connected to the interior of the housing 1, a lower air intake plate 14 fixedly connected to the interior of the housing 1, and a fixed bracket inside the housing 1 that can be adapted to the switch assembly 13. The cover 2... The lower surface is equipped with a locking post that can be matched with a locking groove on the upper surface of the enclosure 1. During use, the flip cover 6 rotates inside the enclosure 1, and the reactive power compensator 7 slides inside the enclosure 1. This reduces the lack of protection for the reactive power compensator 7 in previous devices, which was prone to damage after long-term exposure to wind and sun. This addresses the issue of minor problems leading to serious damage. By allowing it to be pulled out without sliding in the groove and then retracted into the enclosure 1 when not in use, the flip cover 6 provides some protection for the switch cabinet, extending its service life. The spring 8 presses the ball bearing 9, reducing the instability and poor connection caused by the lack of fixing consideration for the reactive power compensator 7 in previous devices, which led to problems after long-term use. Furthermore, the combination of spring 8 and ball bearing 9 firmly secures the switchgear, ensuring stable operation. The shielding cover 5 reduces the risks associated with traditional switchgear lacking protection from external sun and rain, which could lead to corrosion of the enclosure 1 over time, affecting its use, and in severe cases, internal damage, high-voltage explosions, and injuries. The shielding cover 5 significantly reduces external influences, ensuring stable operation and extending the switchgear's lifespan. The stabilizing fan 10 also reduces the instability caused by strong winds when the switchgear is placed outdoors, preventing tilting or even collapse, which could damage the switchgear and, in severe cases, cause problems with the switch assembly 13 or even an explosion. The semi-circular fan blade structure effectively disperses the wind force, providing excellent turbulence and significantly reducing the direct impact of wind on the switchgear surface. This stabilizes the switchgear, lowers the risk, and greatly enhances the practicality of the device. The filter 11 addresses the shortcomings of previous devices that lacked external air filtration, which allowed impurities to enter the switchgear and adhere to its surface. Over time, this could lead to malfunctions and even damage or explosion of the switchgear unit 13 due to external interference during maintenance. The filter 11 effectively removes a significant portion of these air impurities.This significantly reduces operational risks, improves internal operation, extends service life, and greatly enhances the practicality of the device.

[0028] like Figure 5 and Figure 6As shown, in this embodiment, the surface of the shielding cover 5 is provided with an anti-corrosion coating, a heat dissipation hole is provided on one side of the reactive power compensator 7, a slider is provided on the lower surface of the reactive power compensator 7 to fit with the sliding groove provided on one side of the housing 1, the stabilizer fan 10 is semi-circular arc-shaped, a locking post is provided on one side of the housing 1 to fit with the filter screen 11, the drying net 12 is made of water-absorbing material, an upper air exhaust plate 15 is fixedly connected inside the housing 1, a filter screen 16 is fixedly connected to the lower surface inside the housing 1, multiple holes are provided on the lower surface of the housing 1 to fit with the filter screen 16, a fixed sliding groove 17 is fixedly connected to the lower surface of the housing 1, a fixed slider 18 is slidably connected inside the fixed sliding groove 17, a fixed post 19 is inserted into one side of the fixed sliding groove 17, and the surface of the fixed slider 18 is provided with a circular... A ring gasket is used. A hinge 20 is snapped onto one side of the housing 1. A door 21 is snapped onto one side of the hinge 20. A retaining post 22 is inserted into one side of the hinge 20. A groove is provided on one side of the door 21 to fit the hinge 20. A pin 23 is slidably connected inside the door 21. A retaining spring 24 is fixedly connected to one side of the pin 23. A retaining ball 25 is fixedly connected to one end of the retaining spring 24. A groove is provided inside the door 21 to fit the retaining ball 25. During use, the drying net 12 reduces the moisture in the air when the switchgear is working in a normal environment. In particular, on cloudy or rainy days when the air humidity is higher, prolonged operation can cause the internal temperature of the switchgear to rise, leading to condensation and adhesion of moisture to the surface of the switch assembly 13, which can seriously damage the switchgear or even cause it to explode. In situations where uncontrollable risks are greatly increased, the combination of the drying mesh 12 and the filter mesh 11 ensures that the internal environment of the switchgear remains dry and clean in most environments, significantly reducing the probability of some uncontrollable risks and greatly improving the practicality of the switchgear. When the temperature of the switch group 13 rises, cold outside air enters through the filter mesh 16, is guided to the top of the housing 1 by the lower air intake plate 14, and is then guided back to the lower air intake plate 14 by the upper air intake plate 15. This allows the air to pass through the air path behind the switch group 13, reducing the lack of consideration for guiding cold outside air in previous devices, which did not make reasonable use of it and only allowed it to directly contact the switch group 13 for cooling, resulting in poor effectiveness and causing surface damage after long-term operation. When excessive dust accumulates, it can cause malfunctions and even dangerous situations. The system utilizes a fan deflector to further enhance air kinetic energy, guiding the dust to a certain height before it falls and impacts the switch assembly 13. This further dislodges surface deposits, allowing them to escape with the airflow, reducing surface adhesion and providing more effective cooling. This significantly improves the cooling and dust removal capabilities, greatly enhancing the device's practicality. Furthermore, the exhaust fan 4, rotating inside the shaft 3, addresses the issue of insufficient airflow from the top of the switch cabinet, preventing some air from circulating properly and hindering heat dissipation. This addresses the problem of inadequate ventilation caused by the exhaust fan 4.When hot air rises inside the switch cabinet, it drives the cabinet to rotate and expel the air, thus accelerating the internal circulation speed and improving heat dissipation. The door 21 slides via a latch 23 and is secured by a spring clip 24 pressing against a retaining bead 25. The door 21 is opened via a hinge 20, reducing the risk of accidental opening and potential dangers associated with traditional switch cabinets. The latch 23 ensures a tighter seal, minimizing accidental opening and protecting personnel. The fixed slider 18 slides within a fixed groove 17 and is secured by a fixing post 19. This reduces the instability and potential tipping issues that can occur during external installations due to environmental uncertainties and uneven terrain, preventing uncontrollable hazards. The adjustable fixed slider 18 and the stable ring ensure secure placement on uneven surfaces, reducing risks and significantly improving the device's practicality.

[0029] The working principle of this practical application is as follows:

[0030] The flip cover 6 rotates inside the housing 1, the reactive power compensator 7 slides inside the housing 1, the spring 8 presses the ball bearing 9, the shield cover 5, the steady fan 10, the filter screen 11, the drying screen 12, and the switch group 13. When the temperature rises, cold outside air enters through the filter screen 16, is guided to the top of the housing 1 by the lower air intake plate 14, and is guided back to the lower air intake plate 14 by the upper air intake plate 15. The air then passes through the air passage behind the switch group 13, rotates inside the shaft 3 by the exhaust fan 4, slides inside the housing door 21 by the pin 23, is fixed by the snap ring 24 pressing the snap ball 25, opens the housing door 21 by the hinge 20, slides to the appropriate position inside the fixed slide groove 17 by the fixed slider 18, and is fixed by the fixed column 19.

[0031] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high- and low-voltage switchgear with low-voltage reactive power compensation, comprising a cabinet (1), characterized in that: The upper surface of the box (1) is fitted with a box cover (2), the upper surface of the box cover (2) is fixedly connected with a rotating shaft (3), the upper surface of the rotating shaft (3) is fixedly connected with an exhaust fan (4), the upper surface of the box cover (2) is fixedly connected with a shielding cover (5), one side of the box cover (2) is rotatably connected with a flip cover (6), one side of the box (1) is slidably connected with a reactive power compensator (7), one side of the box (1) is fixedly connected with a spring (8), one end of the spring (8) is fixedly connected with a ball bearing (9), one side of the box (1) is rotatably connected with a stabilizing fan (10), the inside of the box (1) is fitted with a filter screen (11), one side of the filter screen (11) is fitted with a drying screen (12), the inside of the box (1) is fixedly connected with a switch assembly (13), and the inside of the box (1) is fixedly connected with a lower air intake plate (14).

2. A high- and low-voltage switchgear with low-voltage reactive power compensation according to claim 1, characterized in that: The box (1) has a fixed bracket inside that can be adapted to the switch assembly (13), and the lower surface of the box cover (2) has a locking post that can be adapted to the locking groove on the upper surface of the box (1).

3. A high- and low-voltage switchgear with low-voltage reactive power compensation according to claim 1, characterized in that: The surface of the shield (5) is provided with an anti-corrosion coating, and a heat dissipation hole is provided on one side of the reactive power compensator (7). The lower surface of the reactive power compensator (7) is provided with a slider that can be adapted to the sliding groove provided on one side of the housing (1).

4. A high- and low-voltage switchgear with low-voltage reactive power compensation according to claim 1, characterized in that: The fan (10) is semi-circular arc-shaped, and the box (1) has a locking post on one side that can be adapted to the filter screen (11). The drying net (12) is made of water-absorbing material.

5. A high- and low-voltage switchgear with low-voltage reactive power compensation according to claim 1, characterized in that: An upper air intake plate (15) is fixedly connected inside the box (1), and a filter screen (16) is fixedly connected to the lower surface inside the box (1). Multiple holes are provided on the lower surface of the box (1) to fit the filter screen (16).

6. A high- and low-voltage switchgear with low-voltage reactive power compensation according to claim 1, characterized in that: The lower surface of the box (1) is fixedly connected to a fixed slide groove (17), and a fixed slider (18) is slidably connected inside the fixed slide groove (17). A fixed post (19) is inserted into one side of the fixed slide groove (17), and a circular washer is provided on the surface of the fixed slider (18).

7. A high- and low-voltage switchgear with low-voltage reactive power compensation according to claim 1, characterized in that: A hinge (20) is attached to one side of the box body (1), a door (21) is attached to one side of the hinge (20), a locking post (22) is inserted into one side of the hinge (20), and a groove is provided on one side of the door (21) to fit the hinge (20).

8. A high- and low-voltage switchgear with low-voltage reactive power compensation according to claim 7, characterized in that: The box door (21) is slidably connected to a pin (23), and a retaining ring (24) is fixedly connected to one side of the pin (23). A retaining bead (25) is fixedly connected to one end of the retaining ring (24). The box door (21) has a groove inside that can fit the retaining bead (25).

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