Moisture-proof assembly of power distribution cabinet of hydropower station
By incorporating ventilation and heightening structures with fans and hot air blowers in the distribution cabinet, the problem of moisture and condensation on electrical components caused by humidity was solved, achieving moisture-proof and anti-condensation effects and improving the safety of the distribution cabinet.
Patent Information
- Application Number
- CN202520225759.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Traditional distribution cabinets are prone to excessive moisture in high humidity environments, which can cause condensation to affect the normal operation of electrical components and even lead to safety accidents.
The ventilation structure combines a fan and a hot air blower to reduce humidity through air exchange and seal the vents in humid environments. The hot air blower is used to raise the temperature to prevent condensation, and the height of the cabinet is increased by raising the structure to isolate ground moisture.
It effectively reduces the humidity inside the distribution cabinet, prevents electrical components from getting damp and condensing, improves safety, and avoids power accidents.
Smart Images
Figure CN223680598U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of power equipment, especially relates to a power distribution cabinet moisture-proof assembly of hydropower station. BACKGROUND
[0002] As an important clean energy power generation facility, the power distribution cabinet plays a crucial role in the power production and transportation process of hydropower stations. However, hydropower stations are usually built near rivers or reservoirs, where the environmental humidity is relatively high. After a long time of use, the traditional power distribution cabinet is prone to excessive moisture inside. The condensation water produced by the condensation of moisture not only may affect the normal operation of electrical components inside the power distribution cabinet, but also may cause the accelerated aging of electrical components, and even cause safety accidents such as power short circuit. SUMMARY
[0003] The utility model discloses a power distribution cabinet moisture-proof assembly of hydropower station can prevent the electrical component in the power distribution cabinet from being damped and dewing.
[0004] The utility model discloses a power distribution cabinet moisture-proof assembly of hydropower station can prevent the electrical component in the power distribution cabinet from being damped and dewing.
[0005] A power distribution cabinet moisture-proof assembly of hydropower station comprises:
[0006] The cabinet body is fixedly connected with a hot air blower at the top end for heating the cabinet body;
[0007] The ventilation structure is arranged on the side of the cabinet body, and comprises a rectangular through slot formed on the cabinet body, a fan arranged on the inner side of the rectangular through slot, and a rectangular frame arranged on the outer side of the rectangular through slot, and the rectangular frame is movably connected with a sealing plate for sealing the outer side of the rectangular through slot;
[0008] The height increasing structure is arranged at the bottom end of the cabinet body.
[0009] Further, the ventilation structure is arranged on both sides of the cabinet body.
[0010] Further, two rectangular through slots are symmetrically formed on both sides of the cabinet body, a fan is fixedly connected to the side of the cabinet body close to the rectangular through slot through a support, and a rectangular frame is fixedly connected to the side of the cabinet body close to the rectangular through slot, the sealing plate is slidably attached to the inner wall of the rectangular frame, the sealing plate is attached to the outer wall of the cabinet body, and a pull block is fixedly connected to one side of the sealing plate.
[0011] Further, two limiting grooves are formed on the side of the rectangular frame away from the cabinet body, the two limiting grooves are symmetrically arranged, a limiting block is movably connected to the inside of each limiting groove, the limiting block is slidably attached to the inner wall of the limiting groove, and the side of the limiting block close to the inside of the rectangular frame is fixedly connected to the sealing plate.
[0012] Further, the top end of the sealing plate is rotationally connected with a rotating shaft in the vertical direction, the top end of the rotating shaft is fixedly connected with a buckle strip, and the side of the cabinet body close to the rotating shaft is fixedly connected with a stress block.
[0013] Further, the height increasing structure comprises two frame bodies which are symmetrically fixedly connected to the two sides of the cabinet body respectively, the bottom end of the frame body is provided with a moving plate, a lifting mechanism is arranged between the moving plate and the frame body, and the bottom end of the moving plate is symmetrically fixedly connected with two supporting legs.
[0014] Further, the lifting mechanism comprises two lead screws which are rotationally connected to the frame body around the same horizontal axis, the two lead screws are fixedly connected, the screw threads of the two lead screws are opposite in direction, and two screw nuts which are in sliding fit with the inner wall of the frame body are threadedly connected to the two lead screws respectively.
[0015] The lifting mechanism further comprises two push rods, one end of each of the two push rods is hingedly connected to the moving plate, and the other end of each of the two push rods is hingedly connected to a screw nut.
[0016] Further, one end of one lead screw is coaxially fixedly connected with a hand wheel after penetrating out of the frame body.
[0017] Further, the two push rods are symmetrically hingedly connected to the moving plate.
[0018] Further, the lead screw is rotationally connected to the frame body through a bearing.
[0019] The utility model discloses the beneficial effect lies in:
[0020] 1, the utility model discloses a fan is used to improve the air flow rate in the cabinet body to discharge the humidity in the cabinet body, through this constant air exchange, the humidity in the power distribution cabinet is reduced to reach the effect of moisture-proof, simultaneously, the utility model discloses a sealing plate can cover the rectangular through slot completely, so the cabinet body is sealed state, when the outside is more humid, can seal up the rectangular through slot, and open the hot air blower, can heat the inside of the cabinet, thereby avoiding the electric element dew.
[0021] 2, the utility model discloses through heightening structure, can heighten the ground clearance of cabinet, thereby reducing the influence of ground humidity to power distribution cabinet. DRAWINGS
[0022] In the following, the utility model will be described in more detail based on the embodiments and with reference to the drawings.
[0023] Among them:
[0024] Figure 1 The structure schematic diagram of the utility model is shown;
[0025] Figure 2The internal structure schematic view of the cabinet body is shown in the utility model.
[0026] Figure 3 The installation schematic view of the sealing plate is shown in the utility model.
[0027] Figure 4 The installation schematic view of the sealing plate is shown in the utility model. Figure 3 The local enlarged view of A in the utility model.
[0028] Figure 5 The installation schematic view of the sealing plate is shown in the utility model. Figure 3 The local enlarged view of B in the utility model.
[0029] Figure 6 The structure schematic view of the heightening structure after disassembly is shown in the utility model.
[0030] In the drawings, the same components use the same reference numerals. The drawings are not in accordance with the actual scale.
[0031] Reference numerals:
[0032] 1, cabinet body; 11, cabinet door; 12, hot air machine; 2, ventilation structure; 21, rectangular through slot; 22, fan; 23, rectangular frame; 24, sealing plate; 25, pull block; 26, limiting groove; 27, limiting block; 28, rotating shaft; 29, buckle strip; 210, stress block; 3, heightening structure; 31, frame body; 32, lead screw; 33, lead screw nut; 34, hand wheel; 35, moving plate; 36, supporting leg; 37, push rod. DETAILED DESCRIPTION
[0033] The utility model will be further described below in combination with the drawings.
[0034] Example one:
[0035] As Figures 1-3 shown, the utility model provides a kind of power distribution cabinet moisture-proof assembly of hydropower station, it includes:
[0036] Cabinet body 1, the top end of cabinet body 1 is fixedly connected with the hot air machine 12 for the temperature rise in cabinet body 1;
[0037] Ventilation structure 2, ventilation structure 2 is arranged at the side of cabinet body 1, and ventilation structure 2 includes rectangular through slot 21 being opened in cabinet body 1, the inside of rectangular through slot 21 is provided with fan 22, the outside of rectangular through slot 21 is provided with rectangular frame 23, and rectangular frame 23 is movably connected with sealing plate 24 for sealing the outside of rectangular through slot 21;
[0038] Heightening structure 3, heightening structure 3 is arranged at the bottom end of cabinet body 1;
[0039] The ventilation structure 2 is arranged on both sides of the cabinet body 1; the cabinet door 11 is arranged on the cabinet body 1, one side of the cabinet door 11 is hinged to the cabinet body 1, and the other side of the cabinet door 11 is detachably connected to the cabinet body 1.
[0040] Specifically, two rectangular through grooves 21 are symmetrically arranged on both sides of the cabinet body 1, a fan 22 is fixedly connected to one side of the cabinet body 1 close to the rectangular through groove 21 through a support, a rectangular frame 23 is fixedly connected to one side of the cabinet body 1 close to the rectangular through groove 21, a sealing plate 24 is slidably attached to the inner wall of the rectangular frame 23, the sealing plate 24 is attached to the outer wall of the cabinet body 1, and a pull block 25 is fixedly connected to one side of the sealing plate 24.
[0041] As can be seen from the above, the rectangular through groove 21 and the fan 22 are arranged on both sides of the cabinet body 1, the fan 22 is used to increase the air flow rate in the cabinet body 1, so as to exhaust the moisture in the cabinet body 1, and the sealing plate 24 can completely cover the rectangular through groove 21, so that the cabinet body 1 is in a sealed state, when the outside is more humid, the rectangular through groove 21 can be sealed, and the heater 12 is turned on to heat the inside of the cabinet body 1, so as to avoid dew formation on the electrical elements.
[0042] Specifically, as shown in Figure 4 , two limiting grooves 26 are arranged on one side of the rectangular frame 23 away from the cabinet body 1, the two limiting grooves 26 are symmetrically arranged, a limiting block 27 is movably connected to the inside of each limiting groove 26, the limiting block 27 is slidably attached to the inner wall of the limiting groove 26, and one side of the limiting block 27 close to the inside of the rectangular frame 23 is fixedly connected to the sealing plate 24; as shown in Figure 1 , Figure 3 and Figure 5 , a rotating shaft 28 is rotatably connected to the top end of the sealing plate 24, a clamping strip 29 is fixedly connected to the top end of the rotating shaft 28, and a stress block 210 is fixedly connected to one side of the cabinet body 1 close to the rotating shaft 28.
[0043] As can be seen from the above, the limiting groove 26 and the limiting block 27 can limit the sealing plate 24, so as to prevent the sealing plate 24 from separating from the rectangular frame 23; a damping is arranged between the rotating shaft 28 and the sealing plate 24, and rotating the rotating shaft 28 can clamp the clamping strip 29 on one side of the stress block 210, so as to prevent the sealing plate 24 from falling off.
[0044] In specific use, the sealing plate 24 is first pulled upward by the pull block 25 to open the rectangular through groove 21, and then the rotating shaft 28 is rotated to clamp the clamping strip 29 on one side of the stress block 210, so that the sealing plate 24 can be prevented from falling off, and at this time the fan 22 can be started to ventilate.
[0045] Example two:
[0046] As shown in Figure 1 and Figure 6As shown, the embodiment details the heightening structure 3 in embodiment one, the heightening structure 3 includes two frame bodies 31 fixedly connected on both sides of the cabinet body 1 respectively, the bottom end of the frame body 31 is provided with a moving plate 35, a lifting mechanism is arranged between the moving plate 35 and the frame body 31, and two supporting legs 36 are fixedly connected on both sides of the bottom end of the moving plate 35 respectively and symmetrically.
[0047] Specifically, the lifting mechanism includes two lead screws 32 rotatably connected on the frame body 31 through bearings and around the same horizontal axis, the two lead screws 32 are fixedly connected between the two lead screws 32, the screw rotation directions of the two lead screws 32 are opposite, and two screw nuts 33 slidingly fitted with the inner wall of the frame body 31 are threadedly connected on the two lead screws 32 respectively; the lifting mechanism further includes two push rods 37, one end of each of the two push rods 37 is hingedly connected to the moving plate 35, and the other end of each of the two push rods 37 is hingedly connected to a screw nut 33; one end of one lead screw 32 is coaxially fixedly connected with a hand wheel 34 after penetrating out of the frame body 31; and the two push rods 37 are symmetrically hingedly connected to the moving plate 35.
[0048] As known from the above, the frame body 31 is arranged on both sides of the cabinet body 1, and two screw nuts 33 capable of moving towards each other and away from each other are arranged inside the frame body 31, the screw nut 33 is used in cooperation with the push rod 37 to drive the moving plate 35 to move up and down, when the supporting leg 36 is supported on the ground, the height of the cabinet body 1 from the ground can be changed, so as to reduce the influence of ground moisture on the power distribution cabinet.
[0049] In specific use, the hand wheel 34 is first rotated to drive the two lead screws 32 to rotate, the two lead screws 32 drive the two screw nuts 33 to move close to each other respectively, so as to cooperate with the push rod 37 and the moving plate 35 to reversely push the cabinet body 1 to move upwards, and thus the height of the cabinet body 1 from the ground is changed.
[0050] It should be noted that a moisture-proof pad or an isolation layer can be arranged below the supporting leg 36 to further isolate the ground moisture.
[0051] In the description of the utility model, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0052] While the application has been described with reference to particular embodiments thereof, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present application. It will thus be appreciated that numerous modifications can be made to the illustrative embodiments and that other arrangements can be devised without departing from the spirit and scope of the present application as defined by the appended claims. It will be understood that the features described in relation to one embodiment can be used in combination with features described in relation to another embodiment.
Claims
1. A moisture-proof assembly for a power distribution cabinet of a hydroelectric power plant, characterized in that, Include: Cabinet (1), the top end of the cabinet (1) is fixedly connected with a hot air machine (12) for heating the cabinet (1) in; Ventilation structure (2), the ventilation structure (2) is arranged on the side of the cabinet (1), the ventilation structure (2) includes a rectangular through slot (21) opened on the cabinet (1), the inner side of the rectangular through slot (21) is provided with a fan (22), the outer side of the rectangular through slot (21) is provided with a rectangular frame (23), the inside of the rectangular frame (23) is movably connected with a sealing plate (24) for sealing the outer side of the rectangular through slot (21); The heightening structure (3) is arranged at the bottom end of the cabinet (1).
2. A moisture-proof assembly for a power distribution cabinet of a hydroelectric power station according to claim 1, characterized in that, Both sides of the cabinet (1) are provided with the ventilation structure (2).
3. A moisture-proof assembly for a power distribution cabinet of a hydroelectric power plant according to claim 2, characterized in that, Two rectangular through slots (21) are symmetrically opened on both sides of the cabinet (1), the side of the cabinet (1) close to the rectangular through slot (21) is fixedly connected with the fan (22) through the support, the side of the cabinet (1) close to the rectangular through slot (21) is fixedly connected with the rectangular frame (23), the sealing plate (24) and the inner wall of the rectangular frame (23) are slidably attached, the sealing plate (24) and the outer wall of the cabinet (1) are attached, one side of the sealing plate (24) is fixedly connected with a pull block (25).
4. A moisture-proof assembly for a power distribution cabinet of a hydroelectric power station according to claim 3, characterized in that, Two limiting grooves (26) are opened on the side of the rectangular frame (23) away from the cabinet (1), two limiting grooves (26) are symmetrically arranged, two limiting grooves (26) are movably connected with a limiting block (27) inside, the limiting block (27) and the inner wall of the limiting groove (26) are slidably attached, the side of the limiting block (27) close to the inside of the rectangular frame (23) is fixedly connected with the sealing plate (24).
5. A moisture-proof assembly for a power distribution cabinet of a hydroelectric power plant according to claim 4, characterized in that, The top end of the sealing plate (24) is rotatably connected with a rotating shaft (28), the top end of the rotating shaft (28) is fixedly connected with a buckle strip (29), the side of the cabinet (1) close to the rotating shaft (28) is fixedly connected with a stress block (210).
6. A moisture-proof assembly for a power distribution cabinet of a hydroelectric power plant according to claim 1, characterized in that, The heightening structure (3) includes two frame bodies (31) fixedly connected on both sides of the cabinet (1) respectively, the bottom end of the frame body (31) is provided with a moving plate (35), a lifting mechanism is arranged between the moving plate (35) and the frame body (31), the bottom end of the moving plate (35) is fixedly connected with two supporting legs (36) on both sides respectively.
7. A moisture-proof assembly for a power distribution cabinet of a hydroelectric power plant according to claim 6, characterized in that, The lifting mechanism includes two lead screws (32) rotatably connected on the frame body (31) about the same horizontal axis, the two lead screws (32) are fixedly connected, the screw threads of the two lead screws (32) are opposite, two lead nuts (33) slidably attached with the inner wall of the frame body (31) are threadedly connected on the two lead screws (32) respectively. The lifting mechanism further includes two push rods (37), one end of the two push rods (37) is hingedly connected on the moving plate (35), the other end of the two push rods (37) is hingedly connected with two lead nuts (33) respectively.
8. A moisture-proof assembly for a power distribution cabinet of a hydroelectric power plant according to claim 7, characterized in that, One end of the lead screw (32) is coaxially fixedly connected with a hand wheel (34) after penetrating out of the frame (31).
9. A moisture-proof assembly for a power distribution cabinet of a hydroelectric power plant according to claim 7, characterized in that, Two push rods (37) are symmetrically hinged on the moving plate (35).
10. A moisture-proof assembly for a power distribution cabinet of a hydroelectric power plant according to claim 7, characterized in that, The lead screw (32) is rotatably connected to the frame (31) through a bearing.