CN114362007A

CN114362007A - Electrical junction box

Info

Publication number: CN114362007A
Application number: CN202111593014.5A
Authority: CN
Inventors: 司琪; 王展
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-04-15

Abstract

The invention relates to the technical field of electrical equipment, in particular to an electrical junction box which comprises a box body, wherein the front side surface of the box body is connected with a box door through a hinge, an observation window is arranged above the box door, ventilation meshes are formed in the left side surface and the right side surface of the box body, wiring terminals are arranged in the box body, the upper end surface of the box body is fixedly connected with a supporting table, a driving mechanism is arranged at the upper end of the supporting table, the driving mechanism comprises a motor, a radiating fin, a driving gear, a driven gear, a rotating shaft, a bearing, a transmission shaft and fan blades, the motor is fixedly connected to the central position of the upper end surface of the supporting table, and a plurality of radiating fins are fixedly connected to the left side surface and the right side surface of the motor at equal vertical intervals. Thereby this electrical junction box drives drive mechanism through actuating mechanism and scrapes the mechanism and scrape the mesh that ventilates, prevents that the dust from blockking up the mesh that ventilates, improves box ventilation cooling effect, through the cooperation of buoyancy mechanism and landing leg, avoids ponding to invade inside the box, has guaranteed electrical equipment's normal work.

Description

Electrical junction box

Technical Field

The invention relates to the technical field of electrical equipment, in particular to an electrical junction box.

Background

The junction box is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system to play roles of on-off, control or protection and the like, the junction box plays a very important role in the whole power industry, and the existing junction box is usually subjected to dehumidification and heat dissipation operations on the inside in the using process to avoid damage to a circuit.

In the article "cause and hazard of overheating of electrical equipment", it is mentioned that various electrical equipment generally have certain measures for heat dissipation or ventilation, and if these measures are damaged, the equipment can be overheated, so that flammable materials or objects around the equipment are heated, and a fire is easily caused. While electrical equipment is susceptible to corrosion and short circuits in humid environments.

When the wiring box is installed outdoors, particularly in a distribution box in a region with a relatively low terrain, in rainy seasons or flood seasons, due to sufficient rainfall, large rainfall and easy water accumulation, the inside of the wiring box is invaded by water, so that the danger of short circuit or electric leakage is easily caused; come temporarily in dry season, ground drying produces a large amount of raise dusts easily, and the ventilation mesh on the junction box can gather a large amount of dusts, blocks up the mesh to lead to the inside ventilation radiating efficiency of lead to junction box to reduce, because the inside temperature of electrical equipment's continuous operation junction box can rise, produce high temperature easily and cause junction box burning damage.

Disclosure of Invention

The present invention is directed to an electrical junction box that solves the problems set forth above in the background.

In order to achieve the purpose, the invention provides the following technical scheme: an electric junction box comprises a box body, wherein the front side surface of the box body is connected with a box door through a hinge, an observation window is arranged above the box door, the left side surface and the right side surface of the box body are provided with ventilation meshes, a wiring terminal is arranged inside the box body, the upper end surface of the box body is fixedly connected with a supporting platform, the upper end of the supporting platform is provided with a driving mechanism, the driving mechanism comprises a motor, radiating fins, a driving gear, a driven gear, a rotating shaft, bearings, a transmission shaft and fan blades, the motor is fixedly connected with the central position of the upper end surface of the supporting platform, a plurality of radiating fins are fixedly connected with the left side surface and the right side surface of the motor in a vertical equidistant mode, the output shaft of the motor is fixedly connected with the central position of the upper end surface of the driving gear, the upper end of the transmission shaft penetrates through the central position of the upper end surface of the box body and is fixedly connected with the central position of the lower end surface of the driving gear, and the lower end of the fan blades inside the box body is fixedly connected with the central position of the upper end of the box body, driven gear sets up in the left and right sides of driving gear, and driven gear meshes with the driving gear respectively, the axis of rotation respectively with driven gear's lower terminal surface central point put fixed connection, and the lower extreme of axis of rotation respectively with the bearing swing joint of the box up end left and right sides, two driven gear top all is provided with drive mechanism, and the drive mechanism below is provided with scraping mechanism.

Preferably, the transmission mechanism comprises an articulated shaft, a crank, a push rod, a first-level articulated seat, a sleeve, an articulated rod, a middle articulated seat and a transmission rod, the articulated shaft is fixedly connected to the outer edge of the upper end face of the driven gear respectively, the middle articulated seat is fixedly connected to the central positions of the left end and the right end of the upper end face of the box body respectively, the sleeve is arranged between the driven gear and the middle articulated seat respectively, the lower end of the sleeve is fixedly connected with the upper end face of the box body through a support rod, one end of the crank is articulated with the articulated shaft, the other end of the crank is articulated with one end of the push rod, the push rod is slidably connected with the sleeve respectively, the other end of the push rod is fixedly connected with the first-level articulated seat, the left end of the articulated rod is articulated with the first-level articulated seat, the right end of the articulated rod is articulated with the left end of the transmission rod, the transmission rod is of a V-shaped structure, and the lower end of the transmission rod is articulated with the middle articulated seat, and a scraping mechanism is arranged below the right end of the transmission rod.

Preferably, scraping mechanism includes that the second grade articulates seat, fixed block, pull rod, scraper blade and brush, the articulated seat of second grade is fixed connection respectively in the pull rod upper end of the box left and right sides, and the articulated seat upper end of second grade is articulated with the other end of transfer line, fixed block difference fixed connection is both ends about the side central point puts about the box, the upper and lower both ends of pull rod run through the fixed block respectively and with fixed block swing joint, scraper blade equidistance fixed connection is in the inboard of pull rod, and brush screw fixed connection is on the medial surface of scraper blade.

Preferably, terminal surface fixedly connected with base under the box, the base below is provided with buoyancy mechanism, buoyancy mechanism includes miniature air pump, buoyancy board, gasbag, electrode slice and accomodates the groove, terminal surface fixed connection under buoyancy board up end and the base, the groove of accomodating of rectangle groove structure is seted up to the terminal surface under the buoyancy board, and gasbag up end fixed connection accomodates the inside up end of inslot to electrode slice distribution fixed connection is in the terminal surface left and right sides under the gasbag, miniature air pump fixed connection is in the inside lower extreme left side of box, and the gas-supply pipe of miniature air pump runs through box and base and gasbag up end intercommunication to the electrode slice respectively with the positive negative pole electric connection of switch of miniature air pump.

Preferably, the four corner positions of the lower end face of the base are fixedly connected with supporting legs, the supporting legs are fixedly connected with a fixed column, a movable column, a cylindrical groove, a sliding groove, a support column, a limiting block and a chassis, the upper end of the fixed column is fixedly connected with the four corner positions of the lower end face of the base respectively, the upper end of the movable column is fixedly connected with the central position of the lower end face of the fixed column respectively, the movable column is inserted into the cylindrical groove at the central position inside the support column, the limiting block is fixedly connected to the left side and the right side of the outer surface of the lower end of the movable column, the sliding groove is correspondingly formed in the left side and the right side of the inner surface of the cylindrical groove, and the central position of the upper end face of the chassis is fixedly connected with the lower end of the support column.

Preferably, the four corners of the upper end surface of the box body are respectively and fixedly connected with a fixed rod, and the upper end of the fixed rod is fixedly connected with a rain shield with a conical structure.

Compared with the prior art, the invention has the beneficial effects that:

1. the driving mechanism drives transmission to drive the scraping mechanism to scrape and clean the ventilation meshes on the left side surface and the right side surface of the box body, so that the ventilation effect is improved, the heat dissipation effect in the box body is further improved, and the phenomenon that the internal temperature of the box body is overhigh and the box body is burnt and damaged is avoided;

2. the left side and the right side of the motor are fixedly connected with radiating fins which conduct and radiate heat generated by the continuous output of the motor, so that the heat radiation of the motor is ensured, and the damage of the motor due to overhigh temperature is avoided;

3. set up the landing leg at the box lower extreme, separate box and ground, flood season is interim, and rainfall is big, and low-lying area of relief produces ponding easily, and when ponding submerges two electrode slices of terminal surface under the gasbag, the electrode slice is through the water switch-on to make miniature air pump open, aerify the gasbag through miniature air pump, the gasbag enlarges the cooperation buoyancy board rapidly and floats the box, thereby avoids ponding to invade the box inside and cause electrical equipment's short circuit or electric leakage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view taken at D of FIG. 2 in accordance with the present invention;

FIG. 5 is an enlarged view of the invention at C of FIG. 3;

FIG. 6 is an enlarged cross-sectional view of the leg of the present invention;

FIG. 7 is an enlarged view taken at B-B of FIG. 6 according to the present invention.

Description of reference numerals:

1. a base; 2. a support leg; 21. fixing a column; 22. a movable post; 23. a cylindrical groove; 24. a chute; 25. a pillar; 26. a limiting block; 27. a chassis; 3. a box body; 31. a box door; 32. an observation window; 33. a wiring terminal; 34. ventilating mesh holes; 4. a drive mechanism; 41. a motor; 42. a heat sink; 43. a driving gear; 44. a driven gear; 45. a rotating shaft; 46. a bearing; 47. a drive shaft; 48. a fan blade; 5. a transmission mechanism; 51. hinging a shaft; 52. a crank; 53. a push rod; 531. a first-stage hinge base; 54. a sleeve; 55. a hinged lever; 56. a middle hinged seat; 57. a transmission rod; 6. a buoyancy mechanism; 61. a micro air pump; 62. a buoyancy plate; 63. an air bag; 64. an electrode sheet; 65. a receiving groove; 7. a support table; 8. a scraping mechanism; 81. a second-stage hinged seat; 82. a fixed block; 83. a pull rod; 84. a squeegee; 85. a brush; 9. a rain shield; 10. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution:

an electric junction box comprises a box body 3, wherein the front side surface of the box body 3 is connected with a box door 31 through hinges, an observation window 32 is arranged above the box door 31, ventilation meshes 34 are formed in the left side surface and the right side surface of the box body 3, a wiring terminal 33 is arranged inside the box body 3, a supporting table 7 is fixedly connected to the upper end surface of the box body 3, a driving mechanism 4 is arranged at the upper end of the supporting table 7, the driving mechanism 4 comprises a motor 41, a radiating fin 42, a driving gear 43, a driven gear 44, a rotating shaft 45, a bearing 46, a transmission shaft 47 and fan blades 48, the motor 41 is fixedly connected to the upper end surface central position of the supporting table 7, the radiating fin 42 is fixedly connected to the left side surface and the right side surface of the motor 41 in a vertical equidistant mode, the output shaft of the motor 41 is fixedly connected to the upper end surface central position of the driving gear 43, the upper end of the transmission shaft 47 penetrates through the upper end surface central position of the box body 3 and is fixedly connected to the lower end surface central position of the driving gear 43, and the lower extreme of transmission shaft 47 and flabellum 48 central point of the inside upper end of box 3 put fixed connection, driven gear 44 sets up the left and right sides at driving gear 43, and driven gear 44 meshes with driving gear 43 respectively, axis of rotation 45 respectively with driven gear 44's lower terminal surface central point put fixed connection, and the lower extreme of axis of rotation 45 respectively with the bearing 46 swing joint of the up end left and right sides of box 3, two driven gear 44 top all is provided with drive mechanism 5, and drive mechanism 5 below is provided with scraping mechanism 8.

When the remote control box works, the electrical equipment is electrically connected with the wiring terminal 33, the box door 31 is closed, the motor 41 is wirelessly connected with the computer end of the central control room, so that the motor 41 is remotely controlled to be switched on and off, when sand weather occurs, the motor 41 is started to drive the driving gear 43 to rotate, the driving gear 43 is respectively meshed with the driving gear 43, so that the driving gear 43 can simultaneously drive the driven gear 44 to rotate when rotating, so that the source power is improved when the subsequent transmission mechanism 5 drives the scraping mechanism 8 to scrape the ventilation meshes 34, the rotating shaft 45 at the central position of the lower end surface of the driven gear 44 is movably connected with the bearing 46 at the upper end surface of the box body 3, the bearing force of the driven gear 44 is improved by the rotating shaft 45, the bearing 46 avoids abrasion between the driven gear 44 and the box body 3, the driving gear 43 drives the fan blades 48 to rotate while rotating, so as to ventilate and radiate the electrical equipment in the box body 3, the heat dissipation effect is improved, the heat dissipation fins 42 made of metal copper materials are fixedly connected to the left side and the right side of the motor 41, heat generated in the working process of the motor 41 can be conducted and dissipated, the working temperature of the motor 41 is reduced, and the service life of the motor 41 is prolonged.

As an embodiment of the present invention, as shown in fig. 2, 3 and 5, the transmission mechanism 5 includes a hinge shaft 51, a crank 52, a push rod 53, a first-stage hinge seat 531, a sleeve 54, a hinge rod 55, a middle hinge seat 56 and a transmission rod 57, the hinge shaft 51 is fixedly connected to the outer edge position of the upper end surface of the driven gear 44, the middle hinge seat 56 is fixedly connected to the center position of the left and right ends of the upper end surface of the box 3, the sleeve 54 is disposed between the driven gear 44 and the middle hinge seat 56, the lower end of the sleeve 54 is fixedly connected to the upper end surface of the box 3 through a support rod, one end of the crank 52 is hinged to the hinge shaft 51, the other end of the crank 52 is hinged to one end of the push rod 53, the push rod 53 is slidably connected to the sleeve 54, the other end of the push rod 53 is fixedly connected to the first-stage hinge seat 531, the left end of the hinge rod 55 is hinged to the first-stage hinge seat 531, and the right end of the hinged rod 55 is hinged with the left end of the transmission rod 57, the transmission rod 57 is of a V-shaped structure, the lower end of the transmission rod 57 is hinged with the middle hinged seat 56, and the scraping mechanism 8 is arranged below the right end of the transmission rod 57.

During operation, one end of the crank 52 is hinged to the hinge shaft 51 at the outer edge of the upper end face of the driven gear 44, so that the crank 52 eccentrically rotates under the driving of the driven gear 44, the other end of the crank 52 is hinged to one end of the push rod 53, the push rod 53 is pushed and pulled back and forth in the sleeve 54 under the driving of the crank 52, a ceramic gasket is fixedly connected in the sleeve 54 to reduce friction loss between the push rod 53 and the sleeve 54, the left end of the hinge rod 55 is hinged to the first-stage hinge seat 531 at the right end of the push rod 53, the right end of the hinge rod 55 is hinged to the left end of the transmission rod 57, the lower end of the transmission rod 57 is hinged to the middle hinge seat 56, so that the transmission rod 57 rotates back and forth around the middle hinge seat 56 under the pushing and pulling action of the push rod 53, and a driving force is provided for the subsequent scraping mechanism 8 to scrape and clean dust.

As an embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 6 and fig. 7, the scraping mechanism 8 includes a second-stage hinge seat 81, a fixed block 82, a pull rod 83, a scraping plate 84 and a brush 85, the second-stage hinge seat 81 is respectively and fixedly connected to the upper end of the pull rod 83 at the left and right sides of the box body 3, the upper end of the second-stage hinge seat 81 is hinged to the other end of the transmission rod 57, the fixed block 82 is respectively and fixedly connected to the upper and lower ends of the center position of the left and right sides of the box body 3, the upper and lower ends of the pull rod 83 respectively penetrate through the fixed block 82 and are movably connected to the fixed block 82, the scraping plate 84 is fixedly connected to the inner side of the pull rod 83 at equal intervals, and the brush 85 is fixedly connected to the inner side of the scraping plate 84 by screws.

The during operation, based on above-mentioned embodiment, because the right-hand member of transfer line 57 articulates with the articulated seat 81 of second grade, so transfer line 57 can drive pull rod 83 through the articulated seat 81 of second grade when rotating from left to right and return the removal from top to bottom, thereby drive the brush 85 of scraper blade 84 inboard and scrape the ventilation mesh 34 of side about the box 3, avoid the dust to block up ventilation mesh 34, improve the ventilation cooling effect of box 3, brush 85 passes through on screw fixed connection scraper blade 84, it dismantles the change to brush 85 to have made things convenient for the later stage, pull rod 83 and fixed block 82's contact position fixedly connected with ceramic pad is in order to reduce the friction loss between pull rod 83 and the fixed block 82.

As an embodiment of the present invention, as shown in fig. 2, a base 1 is fixedly connected to a lower end surface of the box 3, a buoyancy mechanism 6 is disposed below the base 1, the buoyancy mechanism 6 includes a micro air pump 61, a buoyancy plate 62, an air bag 63, electrode plates 64 and a storage groove 65, an upper end surface of the buoyancy plate 62 is fixedly connected to a lower end surface of the base 1, the lower end surface of the buoyancy plate 62 is provided with the storage groove 65 having a rectangular groove structure, an upper end surface of the air bag 63 is fixedly connected to an upper end surface inside the storage groove 65, the electrode plates 64 are fixedly connected to left and right sides of the lower end surface of the air bag 63 in a distributed manner, the micro air pump 61 is fixedly connected to the left side of the lower end surface inside the box 3, an air pipe of the micro air pump 61 penetrates through the box 3 and the base 1 to communicate with the upper end surface of the air bag 63, and the electrode plates 64 are respectively electrically connected to a positive switch and a negative switch of the micro air pump 61.

During operation, the flood season comes temporarily, rainfall is big, ponding is produced easily in low-lying area of relief, when ponding submerges two electrode slices 64 of terminal surface under the gasbag 63, water acts as electrically conductive medium, make two electrode slices 64 switch on mutually, because electrode slice 64 respectively with miniature air pump 61 the positive negative pole electric connection of switch, thereby make miniature air pump 61 open, aerify gasbag 63 through miniature air pump 61, gasbag 63 enlarges rapidly, produce buoyancy, cooperate buoyancy board 62 again to float box 3, thereby avoid ponding to invade the inside short circuit or the electric leakage that causes electrical equipment of box 3.

As an embodiment of the present invention, as shown in fig. 2, fig. 3 and fig. 5, four corner positions of the lower end surface of the base 1 are fixedly connected with the supporting legs 2, a fixed column 21, a movable column 22, a cylindrical groove 23, a sliding groove 24, a supporting column 25, a limiting block 26 and a chassis 27, the upper end of the fixed column 21 is fixedly connected to the four corner positions of the lower end surface of the base 1, the upper end of the movable column 22 is fixedly connected to the central position of the lower end surface of the fixed column 21, the movable column 22 is inserted into the cylindrical groove 23 at the central position inside the supporting column 25, the limiting block 26 is fixedly connected to the left and right sides of the outer surface of the lower end of the movable column 22, the sliding groove 24 is correspondingly formed on the left and right sides of the inner surface of the cylindrical groove 23, and the central position of the upper end surface of the chassis 27 is fixedly connected to the lower end of the supporting column 25.

During operation, based on the above embodiment, the chassis 27 is anchored by the anchoring member, when the accumulated water is not deep, the box body 3 can be separated from the accumulated water by the support post 25, so that the accumulated water is prevented from invading into the box body 3, when the accumulated water is too deep, because the movable column 22 is connected with the cylindrical groove 23 in the inner part of the pillar 25 in a sliding way, the box body 3 drives the movable column 22 to slide upwards together in the process of floating upwards, the box body 3 is limited by the movable column 22 to prevent the box body 3 from being washed away by water, the limiting block 26 slides in the sliding groove 24, the height of the sliding groove 24 is less than that of the cylindrical groove 23, when the limiting block 26 moves to the upper end of the sliding groove 24, the sliding groove 24 can limit the limiting block 26, prevent the movable column 22 from separating from the support column 25, when the accumulated water falls down, the box body 3 slides down along with the movable column 22, so that the box body 3 is always positioned above the water surface, the water is prevented from entering the box body, and the normal use of the electrical equipment is ensured.

As an embodiment of the present invention, as shown in fig. 1 and 2, fixing rods 10 are fixedly connected to four corner positions of the upper end surface of the box 3, respectively, and a rain shield 9 with a conical structure is fixedly connected to the upper ends of the fixing rods 10.

During operation, the rain shade 9 covers the motor 41, so that rainwater in rainy days can be prevented from entering the motor 41, the motor 41 is protected from being damaged due to the fact that the motor 41 is in a bedroom, sunlight continuously irradiates the motor 41 in high-temperature weather, the temperature of the motor 41 is high, the motor is prevented from being damaged, meanwhile, the rainwater is prevented from directly scouring the box body 3, the rainwater permeates the box body 3, and the service life of electrical equipment is prolonged.

The working principle is as follows: the electrical equipment is electrically connected with the wiring terminal 33, the door 31 is closed, the motor 41 is wirelessly connected with the computer end of the central control room, so that the motor 41 is remotely controlled to be switched on and off, when sand weather occurs, the motor 41 is started to drive the driving gear 43 to rotate, the driven gear 44 is respectively meshed with the driving gear 43, so that the driving gear 43 can simultaneously drive the driven gear 44 to rotate when rotating, the rotating shaft 45 at the central position of the lower end surface of the driven gear 44 is movably connected with the bearing 46 at the upper end surface of the box body 3, the rotating shaft 45 improves the bearing capacity of the driven gear 44, the bearing 46 avoids abrasion between the driven gear 44 and the box body 3, the driving gear 43 drives the fan blades 48 to rotate when rotating, thereby ventilating and radiating the electrical equipment in the box body 3, the radiating effect is improved, the radiating fins 42 fixedly connected with copper materials at the left side and the right side of the motor 41 can conduct and radiate heat generated in the working process of the motor 41, therefore, the working temperature of the motor 41 is reduced, the service life of the motor 41 is prolonged, because one end of the crank 52 is hinged with the hinge shaft 51 at the outer edge of the upper end surface of the driven gear 44, the crank 52 rotates eccentrically under the drive of the driven gear 44, the other end of the crank 52 is hinged with one end of the push rod 53, the push rod 53 is pushed and pulled back and forth in the sleeve 54 under the drive of the crank 52, a ceramic gasket is fixedly connected in the sleeve 54 to reduce the friction loss between the push rod 53 and the sleeve 54, because the left end of the hinge rod 55 is hinged with the first-stage hinge seat 531 at the right end of the push rod 53, the right end of the hinge rod 55 is hinged with the left end of the transmission rod 57, the lower end of the transmission rod 57 is hinged with the middle hinge seat 56, the transmission rod 57 rotates back and forth around the middle hinge seat 56 under the push and pull action of the push rod 53, because the right end of the transmission rod 57 is hinged with the second-stage hinge seat 81, so the drive link 57 will drive the draw bar 83 to go back and forth to move up and down through the second-stage hinging seat 81 when rotating left and right, thereby driving the brush 85 inside the scraper 84 to scrape the ventilation mesh 34 on the left and right sides of the box 3, avoiding the dust from blocking the ventilation mesh 34, improving the ventilation and heat dissipation effect of the box 3, the brush 85 is fixedly connected on the scraper 84 through the screw, facilitating the later-stage disassembly and replacement of the brush 85, the contact position of the draw bar 83 and the fixed block 82 is fixedly connected with the ceramic gasket to reduce the friction loss between the draw bar 83 and the fixed block 82, the chassis 27 is anchored by the anchoring part, when the accumulated water is not deep, the support 25 can separate the box 3 from the accumulated water, avoiding the accumulated water from invading the inside of the box 3, when the accumulated water is too deep, the two electrode plates 64 on the lower end face of the air bag 63 are submerged by the accumulated water, the water is used as a conductive medium, so that the two electrode plates 64 are connected, because the electrode plates 64 are respectively electrically connected with the switch anode and the switch cathode of the miniature air pump 61, the miniature air pump 61 is opened, the air bag 63 is inflated by the miniature air pump 61, the air bag 63 is rapidly expanded to generate buoyancy, the box body 3 is floated by matching with the buoyancy plate 62, short circuit or electric leakage of electric equipment caused by the fact that accumulated water invades into the box body 3 is avoided, because the movable column 22 is in sliding connection with the cylindrical groove 23 in the support 25, the box body 3 drives the movable column 22 to slide upwards in the upwards floating process, the box body 3 is limited by the movable column 22, the box body 3 is prevented from being washed away by water, the limit block 26 slides in the sliding groove 24, the height of the sliding groove 24 is smaller than that of the cylindrical groove 23, when the limit block 26 moves to the upper end of the sliding groove 24, the sliding groove 24 can limit the limit block 26, the movable column 22 is prevented from being separated from the support 25, when the accumulated water declines, the box body 3 slides down along with the movable column 22, so that the box body 3 is always positioned above the water surface, the water invasion is avoided, and the normal work of the electrical equipment is ensured.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an electrical junction box, includes box (3), its characterized in that: the box body (3) is characterized in that a box door (31) is connected to the front side face of the box body (3) through a hinge, an observation window (32) is arranged above the box door (31), ventilation meshes (34) are formed in the left side face and the right side face of the box body (3), a wiring terminal (33) is arranged inside the box body (3), a supporting table (7) is fixedly connected to the upper end face of the box body (3), a driving mechanism (4) is arranged at the upper end of the supporting table (7), the driving mechanism (4) comprises a motor (41), radiating fins (42), a driving gear (43), a driven gear (44), a rotating shaft (45), a bearing (46), a transmission shaft (47) and fan blades (48), the motor (41) is fixedly connected to the center of the upper end face of the supporting table (7), the radiating fins (42) are fixedly connected to the left side face and the right side face of the motor (41) at equal vertical intervals, the output shaft of the motor (41) is fixedly connected to the center of the upper end face of the driving gear (43), the upper end of transmission shaft (47) runs through the lower terminal surface central point that box (3) up end central point put and driving gear (43) and put fixed connection, and the lower extreme of transmission shaft (47) and flabellum (48) central point of the inside upper end of box (3) put fixed connection, driven gear (44) set up the left and right sides at driving gear (43), and driven gear (44) mesh with driving gear (43) respectively, axis of rotation (45) put fixed connection with the lower terminal surface central point of driven gear (44) respectively, and the lower extreme of axis of rotation (45) respectively with bearing (46) swing joint of box (3) up end left and right sides, two driven gear (44) top all is provided with drive mechanism (5), and drive mechanism (5) below is provided with scraping mechanism (8).

2. An electrical connection box as claimed in claim 1, wherein: the transmission mechanism (5) comprises a hinged shaft (51), a crank (52), a push rod (53), a first-stage hinged seat (531), a sleeve (54), a hinged rod (55), a middle hinged seat (56) and a transmission rod (57), the hinged shaft (51) is respectively and fixedly connected to the outer edge position of the upper end face of the driven gear (44), the middle hinged seat (56) is respectively and fixedly connected to the central positions of the left end and the right end of the upper end face of the box body (3), the sleeve (54) is respectively arranged between the driven gear (44) and the middle hinged seat (56), the lower end of the sleeve (54) is fixedly connected with the upper end face of the box body (3) through a support rod, one end of the crank (52) is hinged to the hinged shaft (51), the other end of the crank (52) is hinged to one end of the push rod (53), the push rod (53) is respectively and slidably connected to the sleeve (54), and the other end of the push rod (53) is fixedly connected to the first-stage hinged seat (531), the left end of articulated rod (55) is articulated with one-level articulated seat (531), and the right-hand member of articulated rod (55) is articulated with the left end of transfer line (57), transfer line (57) are V-arrangement structure, and transfer line (57) lower extreme is articulated with middle articulated seat (56), transfer line (57) right-hand member below is provided with scraping mechanism (8).

3. An electrical connection box as claimed in claim 2, wherein: scraping mechanism (8) are including the articulated seat of second grade (81), fixed block (82), pull rod (83), scraper blade (84) and brush (85), the articulated seat of second grade (81) is fixed connection in pull rod (83) upper end of the box (3) left and right sides respectively, and the articulated seat of second grade (81) upper end is articulated with the other end of transfer line (57), fixed block (82) is fixed connection about box (3) side central point respectively puts both ends from top to bottom, the upper and lower both ends of pull rod (83) run through fixed block (82) respectively and with fixed block (82) swing joint, scraper blade (84) equidistance fixed connection is in the inboard of pull rod (83), and brush (85) screw fixed connection is on the medial surface of scraper blade (84).

4. An electrical connection box as claimed in claim 1, wherein: the air-float-type air-conditioner is characterized in that a base (1) is fixedly connected to the lower end face of the box body (3), a buoyancy mechanism (6) is arranged below the base (1), the buoyancy mechanism (6) comprises a micro air pump (61), a buoyancy plate (62), an air bag (63), an electrode plate (64) and a containing groove (65), the upper end face of the buoyancy plate (62) is fixedly connected with the lower end face of the base (1), the lower end face of the buoyancy plate (62) is provided with the containing groove (65) with a rectangular groove structure, the upper end face of the air bag (63) is fixedly connected to the upper end face inside the containing groove (65), the electrode plates (64) are fixedly connected to the left side and the right side of the lower end face inside the air bag (63) in a distributed mode, the micro air pump (61) is fixedly connected to the left side of the lower end face inside the box body (3), and an air pipe of the micro air pump (61) penetrates through the box body (3) and the base (1) to be communicated with the upper end face of the air bag (63), and the electrode plates (64) are respectively electrically connected with the positive and negative poles of the switch of the micro air pump (61).

5. An electrical connection box as claimed in claim 4, wherein: the support leg structure comprises support legs (2) fixedly connected with four corner positions of the lower end face of a base (1), the support legs (2), a fixed column (21), a movable column (22), a cylindrical groove (23), a sliding groove (24), a support column (25), limiting blocks (26) and a chassis (27), wherein the upper end of the fixed column (21) is fixedly connected with the four corner positions of the lower end face of the base (1) respectively, the upper end of the movable column (22) is fixedly connected with the central position of the lower end face of the fixed column (21) respectively, the movable column (22) is inserted into the cylindrical groove (23) of the central position inside the support column (25), the limiting blocks (26) are fixedly connected with the left side and the right side of the outer surface of the lower end of the movable column (22), the sliding grooves (24) are correspondingly formed in the left side and the right side of the inner surface of the cylindrical groove (23), and the central position of the upper end face of the chassis (27) is fixedly connected with the lower end face of the support column (25).

6. An electrical connection box as claimed in claim 1, wherein: four corner positions of the upper end surface of the box body (3) are respectively fixedly connected with fixing rods (10), and the upper end of each fixing rod (10) is fixedly connected with a rain shield (9) with a conical structure.