CN218386260U

CN218386260U - Waterproof device of high-low voltage electrical equipment

Info

Publication number: CN218386260U
Application number: CN202222639025.9U
Authority: CN
Inventors: 梁宁; 温智伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-01-24
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a watertight fittings of high-low voltage electrical equipment, including installing the watertight fittings body in the high-low voltage electrical equipment outside, high-low voltage electrical equipment includes the regulator cubicle cabinet body and sets up a plurality of louvres on the internal wall of regulator cubicle cabinet body both sides respectively, the watertight fittings body includes two rectangle boxes. The utility model discloses a with the mode of intercommunicating pore setting in louvre below, can utilize staggered distance from top to bottom when the rainwater spatters to make the rainwater fall and discharge, can effectively avoid the rainwater directly to spatter into the internal phenomenon of louvre and regulator cubicle cabinet, and float from lifting unit through setting up, can upwards block trapezoidal air vent when taking place ponding utilizing the buoyancy automatic drive trapezoidal sprue of water, and then take place the phenomenon that water entering regulator cubicle cabinet internally caused the bubble water when can avoiding ponding, guarantee high-low voltage electrical equipment's safe handling, and be convenient for keep off the top of high-low voltage electrical equipment when taking place the junk and protect.

Description

Waterproof device of high-low voltage electrical equipment

Technical Field

The utility model relates to a high-low voltage electrical equipment waterproof technical field specifically is a high-low voltage electrical equipment's watertight fittings.

Background

The high-low voltage electrical equipment refers to electrical equipment which can be installed and arranged on various high-voltage and low-voltage equipment, and integrated control and management are carried out, for example, a high-low voltage electrical power cabinet, the existing high-low voltage electrical equipment is in the consideration of heat dissipation, an integral closed structure is not adopted, and a cabinet body of the high-low voltage electrical equipment is provided with heat dissipation holes, so that the heat dissipation effect can be realized; but has the following drawbacks;

1. due to the fact that the inside and the outside are communicated through heat dissipation, when the outdoor rain water meter is used outdoors, rain water is prone to splashing into the cabinet body of high-voltage and low-voltage electrical equipment through the heat dissipation holes, and the risk of moisture electric leakage is caused;

2. when water is accumulated due to large rainfall, the accumulated water easily flows into the high-voltage and low-voltage electrical equipment through the heat dissipation holes in large quantity, so that the safe use of the high-voltage and low-voltage electrical equipment is influenced; in view of this, we propose a waterproof device for high and low voltage electrical equipment to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high low pressure electrical equipment's watertight fittings to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a waterproof device of high-voltage and low-voltage electrical equipment comprises a waterproof device body arranged on the outer side of the high-voltage and low-voltage electrical equipment, wherein the high-voltage and low-voltage electrical equipment comprises an electrical cabinet body and a plurality of radiating holes respectively formed in the inner walls of two sides of the electrical cabinet body;

the heat dissipation holes are located in the corresponding rectangular boxes, the inner walls of the two rectangular boxes on the sides where the two rectangular boxes repel each other are fixedly connected with buffering guide assemblies, the top ends of the two buffering guide assemblies respectively extend to the upper sides of the corresponding rectangular boxes and are fixedly connected with the same arc-shaped protection plate, the arc-shaped protection plates are located above the cabinet body of the electric cabinet, the arranged arc-shaped protection plates are used for blocking and guiding water to the top of the cabinet body of the electric cabinet, and the buffering guide assemblies are used for buffering and unloading protection of the arc-shaped protection plates when the arc-shaped protection plates are impacted by falling objects;

the rectangular boxes are internally and fixedly connected with fixed seats which are positioned below the corresponding heat dissipation holes, trapezoidal vent holes are formed in the bottoms of the fixed seats, a plurality of communication holes are formed in the inner walls of the two rectangular boxes on the sides where the rectangular boxes repel each other, and the communication holes are positioned below the corresponding trapezoidal vent holes;

two all install vertical direction subassembly on the repellent one side inner wall of rectangle box, vertical direction subassembly's top fixedly connected with floats from lifting unit, and vertical direction subassembly is used for floating from the vertical direction of lifting unit, floats from the trapezoidal sprue of lifting unit's top fixedly connected with, and trapezoidal sprue is located the below of the trapezoidal air vent that corresponds and cooperatees with trapezoidal air vent, floats and is used for shifting up from the trapezoidal sprue of buoyancy automatic drive of lifting unit utilization water when taking place ponding.

Preferably, buffering direction subassembly includes fixed block, two guide posts, two stop collars and two buffer spring, two one side that the fixed block repelled mutually is respectively with one side inner wall fixed connection that two rectangle boxes repelled mutually, the top of fixed block and the bottom fixed connection of two buffer spring that correspond, buffer spring's top and the bottom fixed connection of the stop collar that corresponds, the fixed cover of guide post is established in the stop collar that corresponds, the top of guide post extend to the top of the rectangle box that corresponds and with the bottom fixed connection of arc backplate, rectangle box sliding sleeve establishes on two guide posts that correspond, the fixed block of setting, two guide posts, two stop collars and two buffer spring cooperations, utilize four guide posts to realize the vertical direction of arc backplate, utilize four buffer spring to realize unloading the power protection to its buffering when the arc backplate is impacted by the thing that drops.

Preferably, the vertical guide assembly comprises a rectangular guide sleeve and a rectangular guide rod, one side of the rectangular guide sleeve, which is repellent to the rectangular guide sleeve, is fixedly mounted on the inner wall of one side of the rectangular guide sleeve, which is repellent to the rectangular box, two anti-abrasion balls are nested on the inner walls of the four sides of the rectangular guide sleeve, and the rectangular guide rod is located between the eight corresponding anti-abrasion balls and is in movable contact with the anti-abrasion balls.

Preferably, the subassembly that rises and falls from floating includes hollow floater, annular gasbag and spliced pole, the bottom of hollow floater and the top fixed connection of the rectangle guide arm that corresponds, the outside bottom at the hollow floater that corresponds is established to annular gasbag bonding cover, the top of hollow floater and the bottom fixed connection of the spliced pole that corresponds, the top of spliced pole and the bottom fixed connection of the trapezoidal sprue that corresponds, the hollow floater of setting, annular gasbag and spliced pole cooperation, can utilize the buoyancy automatic drive hollow floater of water to shift up when taking place ponding, with this can shift up trapezoidal sprue to trapezoidal air vent shutoff when ponding, it is internal to prevent that water from continuing to make progress and getting into the regulator cubicle cabinet through the louvre.

Preferably, the both sides of the regulator cubicle cabinet body all fixedly connected with filter screen, the filter screen cooperatees with a plurality of louvres that correspond.

Preferably, the high-low voltage electrical equipment is a high-low voltage electrical cabinet.

Preferably, the front-side inner wall and the rear-side inner wall of each fixing seat are fixedly connected with the front-side inner wall and the rear-side inner wall of the corresponding rectangular box respectively, one side, close to the two fixing seats, of each fixing seat is fixedly bonded with two sides of the cabinet body of the electric cabinet respectively, and the side, repellent to the two fixing seats, of each fixing seat is fixedly bonded with the inner wall, repellent to the side, repellent to the two rectangular boxes, of each fixing seat respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the waterproof device of the high-low voltage electrical equipment, the trapezoidal vent holes, the communication holes and the rectangular box are matched, the communication holes are used for communicating the heat dissipation holes with the outside, and the communication holes are arranged below the heat dissipation holes, so that rainwater can fall and be discharged due to dead weight by utilizing the vertically staggered distance after the rainwater splashes into the rectangular box through the communication holes, and the phenomenon that the rainwater directly splashes into the cabinet body of the electrical cabinet through the heat dissipation holes is avoided;

2. according to the waterproof device for the high-low voltage electrical equipment, the fixed seat, the trapezoidal vent hole, the trapezoidal plugging block, the vertical guide assembly and the floating self-lifting assembly are matched, so that when ponding occurs due to heavy rainfall, the trapezoidal plugging block is automatically driven to plug the trapezoidal vent hole upwards by utilizing buoyancy of water, interception plugging is formed below the heat dissipation hole, the phenomenon that water enters the electrical cabinet body to soak the electrical cabinet body during ponding can be avoided, and safe use of the high-low voltage electrical equipment is guaranteed;

3. this watertight fittings of high-low voltage electrical equipment, arc backplate and buffering direction subassembly cooperation through setting up can unload power to the arc backplate buffering that receives the impact when taking place the junk, reduce its risk that receives the impact damage to improve the arc backplate and keep off the effect of protecting to high-low voltage electrical equipment's for a long time.

The utility model discloses a with the mode of intercommunicating pore setting in louvre below, can utilize staggered distance from top to bottom when the rainwater spatters to make the rainwater fall and discharge, can effectively avoid the rainwater directly to spatter into the internal phenomenon of louvre and regulator cubicle cabinet, and float from lifting unit through setting up, can upwards block trapezoidal air vent when taking place ponding utilizing the buoyancy automatic drive trapezoidal sprue of water, and then take place the phenomenon that water entering regulator cubicle cabinet internally caused the bubble water when can avoiding ponding, guarantee high-low voltage electrical equipment's safe handling, and be convenient for keep off the top of high-low voltage electrical equipment when taking place the junk and protect.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 2 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a portion B in fig. 2 according to the present invention.

In the figure: 100. an electrical cabinet body; 101. heat dissipation holes; 1. a filter screen; 2. a rectangular box; 3. an arc-shaped guard plate; 4. a guide post; 5. a limiting sleeve; 6. a buffer spring; 7. a fixed block; 8. a fixed seat; 9. a trapezoidal vent hole; 10. a trapezoidal block; 11. a hollow floating ball; 12. an annular air bag; 13. a rectangular guide sleeve; 14. abrasion-proof balls; 15. a rectangular guide bar; 16. and a communicating hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the waterproof device for high-voltage and low-voltage electrical equipment provided in this embodiment includes a waterproof device body installed outside the high-voltage and low-voltage electrical equipment, where the high-voltage and low-voltage electrical equipment includes an electrical cabinet body 100 and a plurality of heat dissipation holes 101 respectively formed in inner walls of two sides of the electrical cabinet body 100, two sides of the electrical cabinet body 100 are both fixedly connected with filter screens 1, the filter screens 1 are matched with the corresponding plurality of heat dissipation holes 101, the high-voltage and low-voltage electrical equipment is a high-voltage and low-voltage electrical cabinet, the waterproof device body includes two rectangular boxes 2, and one side of each of the two rectangular boxes 2, which is close to the other side, is provided with an opening and is respectively and fixedly connected with two sides of the electrical cabinet body 100;

the heat dissipation holes 101 are positioned in the corresponding rectangular boxes 2, the inner walls of the two rectangular boxes 2 on the sides which repel each other are fixedly connected with buffering guide assemblies, the top ends of the two buffering guide assemblies respectively extend to the upper sides of the corresponding rectangular boxes 2 and are fixedly connected with the same arc-shaped protection plate 3, the arc-shaped protection plate 3 is positioned above the electric cabinet body 100, the arranged arc-shaped protection plate 3 is used for shielding and guiding water to the top of the electric cabinet body 100, the buffering guide assemblies are used for protecting the arc-shaped protection plate 3 from buffering and unloading when the arc-shaped protection plate is impacted by falling objects, wherein each buffering guide assembly comprises a fixed block 7, two guide posts 4, two limit sleeves 5 and two buffering springs 6, the sides which repel each other of the two fixed blocks 7 are respectively and fixedly connected with the inner walls of the two rectangular boxes 2 on the sides which repel each other, and the tops of the fixed blocks 7 are fixedly connected with the bottom ends of the two corresponding buffering springs 6, the top ends of the buffer springs 6 are fixedly connected with the bottoms of the corresponding limiting sleeves 5, the guide posts 4 are fixedly sleeved in the corresponding limiting sleeves 5, the top ends of the guide posts 4 extend to the upper parts of the corresponding rectangular boxes 2 and are fixedly connected with the bottoms of the arc-shaped protecting plates 3, the rectangular boxes 2 are slidably sleeved on the corresponding two guide posts 4, two guide holes which are respectively in sliding connection with the outer sides of the corresponding guide posts 4 are formed in the inner walls of the tops of the rectangular boxes 2, the rectangular boxes 2 are slidably sleeved on the corresponding two guide posts 4 through the two guide holes to achieve the effect of vertically sliding guiding the guide posts 4, the fixed block 7, the two guide posts 4, the two limiting sleeves 5 and the two buffer springs 6 are arranged to be matched, the four guide posts 4 are used for vertically guiding the arc-shaped protecting plates 3, and the four buffer springs 6 are used for buffering and unloading force of the arc-shaped protecting plates 3 when being impacted by falling objects, thereby reducing the risk of injury;

the rectangular box 2 is internally and fixedly connected with a fixing seat 8 which is positioned below the corresponding heat dissipation holes 101, the front side inner wall and the rear side inner wall of the fixing seat 8 are respectively and fixedly connected with the front side inner wall and the rear side inner wall of the corresponding rectangular box 2, one side close to the two fixing seats 8 is respectively and fixedly bonded with the two sides of the electric cabinet body 100, one sides, repellent to the two fixing seats 8, of the two fixing seats 8 are respectively and fixedly bonded with the inner walls, repellent to the two rectangular boxes 2, of the two rectangular boxes 2, the bottom of the fixing seat 8 is provided with a trapezoidal vent hole 9, the inner walls, repellent to the two rectangular boxes 2, of the two rectangular boxes are respectively provided with a plurality of communication holes 16, the communication holes 16 are positioned below the corresponding trapezoidal vent holes 9, the inside and outside ventilation effect is achieved through the arranged communication holes 16, and the water can be led out by utilizing the gravity falling of height difference matched with water beads when the water gradually flows through the communication holes 16, so that the water is prevented from entering the cabinet body 100;

the inner walls of the two sides of the rectangular boxes 2 which repel each other are respectively provided with a vertical guide assembly, each vertical guide assembly comprises a rectangular guide sleeve 13 and a rectangular guide rod 15, the repelling side of each rectangular guide sleeve 13 is fixedly arranged with the inner wall of the corresponding rectangular box 2, a support rod is fixedly connected between the repelling side of each rectangular guide sleeve 13 and the corresponding side wall of the rectangular box 2, each rectangular guide sleeve 13 is fixedly arranged with the corresponding side wall of the rectangular box 2 through the corresponding support rod, the inner walls of the four sides of each rectangular guide sleeve 13 are respectively nested with two anti-abrasion balls 14, and each rectangular guide rod 15 is positioned between the corresponding eight anti-abrasion balls 14 and is in movable contact with the corresponding anti-abrasion ball 14;

the top end of the rectangular guide rod 15 is fixedly connected with a floating self-lifting assembly, the rectangular guide rod 15 and the rectangular guide sleeve 13 are matched for vertically guiding the floating self-lifting assembly, the top of the floating self-lifting assembly is fixedly connected with a trapezoidal block 10, the trapezoidal block 10 is positioned below the corresponding trapezoidal vent 9 and matched with the trapezoidal vent 9, the floating self-lifting assembly is used for automatically driving the trapezoidal block 10 to move upwards by utilizing the buoyancy of water when ponding occurs, the floating self-lifting assembly comprises a hollow floating ball 11, an annular air bag 12 and a connecting column, the bottom of the hollow floating ball 11 is fixedly connected with the top end of the corresponding rectangular guide rod 15, the annular air bag 12 is sleeved at the bottom of the outer side of the corresponding hollow floating ball 11 in a bonding manner, the top of the hollow floating ball 11 is fixedly connected with the bottom end of the corresponding connecting column, the top end of the hollow floating ball 11 is fixedly connected with the bottom of the corresponding trapezoidal connecting column 10, the hollow floating ball 11, the annular air bag 12 is matched with the connecting column, the hollow floating ball 11 can automatically drive the hollow floating ball 11 to move upwards by utilizing the buoyancy of water when ponding occurs, and the trapezoidal block 10 can automatically move upwards to block 9 when the trapezoidal connecting column is automatically, and further block 101 to prevent the ponding from entering the cabinet body through the vent 101; the utility model discloses a set up the mode in louvre 101 below with intercommunicating pore 16, can utilize staggered distance from top to bottom to make rainwater dead weight whereabouts discharge when the rainwater splashes, can effectively avoid the rainwater directly to splash into the phenomenon in louvre 101 and the regulator cubicle cabinet body 100, and float through setting up from lifting unit, can utilize the trapezoidal sprue of buoyancy automatic drive 10 of water to upwards block trapezoidal air vent 9 when taking place ponding, and then take place the phenomenon that water caused the bubble water in the regulator cubicle cabinet body 100 when can avoiding ponding, guarantee high-low voltage electrical equipment's safe handling, and be convenient for keep off the top of high-low voltage electrical equipment and protect when taking place to fall the thing.

The using method of the embodiment comprises the following steps: when the electric cabinet is used, the heat dissipation holes 101 are communicated with the outside through the corresponding trapezoid vent holes 9 and the corresponding communication holes 16 in sequence so as to perform normal ventilation and heat dissipation, and the communication holes 16 are positioned below the corresponding trapezoid vent holes 9, the fixed seats 8 are positioned below the corresponding heat dissipation holes 101, so that after rainwater splashes into the rectangular box 2 through the communication holes 16, the splashed rainwater automatically falls and flows out through the communication holes 16 under the action of self gravity due to a certain distance from top to bottom, the splashed rainwater cannot directly enter the heat dissipation holes 101, and the phenomenon that the rainwater is directly splashed into the electric cabinet 100 is avoided;

when water accumulation occurs in heavy rainfall, a large amount of rainwater can flow into the rectangular box 2 through the plurality of communicating holes 16, at the moment, along with the rising of the water level, the water floats the hollow floating ball 11 and the annular air bag 12 upwards, the hollow floating ball 11 drives the corresponding rectangular guide rod 15 to slide upwards between the eight anti-abrasion balls 14, meanwhile, the hollow floating ball 11 drives the trapezoidal block 10 to move upwards through the corresponding connecting column, the trapezoidal block 10 moves upwards into the corresponding trapezoidal vent hole 9 and blocks the trapezoidal vent hole 9, so that the trapezoidal vent hole 9 can be automatically blocked by the buoyancy of the water when the water accumulation occurs, the phenomenon that the water continues to enter the heat dissipation hole 101 through the trapezoidal vent hole 9 is avoided, the phenomenon that the water enters the electric cabinet body 100 to cause water soaking during the water is avoided, the safe use of high-low voltage electrical equipment is ensured, and after the water accumulation disappears, the hollow floating ball 11 and the trapezoidal block 10 automatically fall back downwards under the action of self gravity to relieve the blockage, so that the ventilation and heat dissipation work can be continuously performed, and the automation degree is high;

when taking place the junk, the thing that drops is at first strikeed 3 arc backplate that are located the top, under the impact force, 3 downstream of arc backplate drives four guide posts 4 downstream, 5 downstream to buffer spring 6 compressions of stop collar that guide post 4 drive corresponds, under buffer spring 6's elastic force, can cushion impact force and unload power, realize the effect to 3 buffer protection of arc backplate, reduce its risk that receives impact damage, with the long-term fender effect of protecting of improvement arc backplate 3 to high-low voltage electrical equipment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a watertight fittings of high-low voltage electrical equipment, is including installing the watertight fittings body in the high-low voltage electrical equipment outside, high-low voltage electrical equipment includes the regulator cubicle cabinet body (100) and sets up a plurality of louvres (101) on the regulator cubicle cabinet body (100) both sides inner wall respectively, its characterized in that: the waterproof device body comprises two rectangular boxes (2), wherein one sides of the two rectangular boxes (2) close to each other are provided with openings and are respectively and fixedly connected with two sides of the cabinet body (100) of the electrical cabinet;

the heat dissipation holes (101) are located in the corresponding rectangular boxes (2), the inner walls of the two rectangular boxes (2) on the sides where the two rectangular boxes repel each other are fixedly connected with buffering guide components, the top ends of the two buffering guide components respectively extend to the positions above the corresponding rectangular boxes (2) and are fixedly connected with the same arc-shaped protection plate (3), and the arc-shaped protection plates (3) are located above the cabinet body (100) of the electric cabinet;

the rectangular boxes (2) are fixedly connected with fixing seats (8) which are positioned below the corresponding heat dissipation holes (101), trapezoidal vent holes (9) are formed in the bottoms of the fixing seats (8), a plurality of communicating holes (16) are formed in the inner walls of the two rectangular boxes (2) on the repelling sides, and the communicating holes (16) are positioned below the corresponding trapezoidal vent holes (9);

two all install vertical direction subassembly on the repellent one side inner wall of rectangle box (2), vertical direction subassembly's top fixedly connected with floats from lifting unit, floats from lifting unit's trapezoidal sprue (10) of top fixedly connected with, and trapezoidal sprue (10) are located the below of trapezoidal air vent (9) that correspond and cooperate with trapezoidal air vent (9).

2. The waterproof device for high-low voltage electrical equipment according to claim 1, characterized in that: buffering direction subassembly includes fixed block (7), two guide post (4), two stop collar (5) and two buffer spring (6), two fixed block (7) one side that repels mutually is respectively with two rectangle box (2) one side inner wall fixed connection that repels, the top of fixed block (7) and the bottom fixed connection of two buffer spring (6) that correspond, the top of buffer spring (6) and the bottom fixed connection of the stop collar (5) that correspond, guide post (4) fixed cover is established in corresponding stop collar (5), the top of guide post (4) extend to the top of the rectangle box (2) that corresponds and with the bottom fixed connection of arc backplate (3), rectangle box (2) slip cover is established on two corresponding guide post (4).

3. The waterproof device for high-low voltage electrical equipment according to claim 2, wherein: the vertical guide assembly comprises rectangular guide sleeves (13) and rectangular guide rods (15), wherein the repellent sides of the two rectangular guide sleeves (13) are fixedly mounted on the inner walls of the repellent sides of the two rectangular boxes (2), two anti-abrasion balls (14) are nested on the inner walls of the four sides of each rectangular guide sleeve (13), and the rectangular guide rods (15) are located among the corresponding eight anti-abrasion balls (14) and movably contact with the anti-abrasion balls (14).

4. A waterproof device for high-and low-voltage electrical equipment according to claim 3, characterized in that: the floating self-lifting component comprises a hollow floating ball (11), an annular air bag (12) and a connecting column, the bottom of the hollow floating ball (11) is fixedly connected with the top end of a corresponding rectangular guide rod (15), the annular air bag (12) is sleeved on the bottom of the outer side of the corresponding hollow floating ball (11) in a bonding mode, the top of the hollow floating ball (11) is fixedly connected with the bottom end of the corresponding connecting column, and the top end of the connecting column is fixedly connected with the bottom of a corresponding trapezoidal plugging block (10).

5. The waterproof device for high-low voltage electrical equipment according to claim 1, wherein: the electric cabinet is characterized in that filter screens (1) are fixedly connected to two sides of the electric cabinet body (100), and the filter screens (1) are matched with a plurality of corresponding heat dissipation holes (101).

6. The waterproof device for high-low voltage electrical equipment according to claim 1, wherein: the high-low voltage electrical equipment is a high-low voltage electrical cabinet.

7. The waterproof device for high-low voltage electrical equipment according to claim 1, wherein: the front side inner wall and the rear side inner wall of the fixing seat (8) are fixedly connected with the front side inner wall and the rear side inner wall of the corresponding rectangular box (2) respectively, one side, close to the two fixing seats (8), of the fixing seat is fixedly bonded with the two sides of the electric cabinet body (100) respectively, and the side, repellent to the two fixing seats (8), of the fixing seat is fixedly bonded with the inner wall, repellent to the two rectangular boxes (2), of the fixing seat.