CN112038953B - An autonomous rain-proof heat dissipation power distribution cabinet - Google Patents

Abstract

The invention relates to the technical field of power distribution cabinets, in particular to an autonomous rainproof heat-dissipation power distribution cabinet which comprises a power distribution cabinet main body, wherein the power distribution cabinet main body comprises a power distribution cabinet shell, a cabinet door is hinged to the front surface of the power distribution cabinet shell, a window is embedded into the front surface of the cabinet door, an electrical part main body is fixedly installed inside the power distribution cabinet shell, protective shells are fixedly installed on two sides of the inner wall of the power distribution cabinet shell, the number of the protective shells is two, a first heat-dissipation fan and a second heat-dissipation fan are fixedly installed inside the two protective shells respectively, and cooling fins are inserted into two sides of each protective shell. According to the invention, the rainproof mechanism is arranged, so that when workers overhaul, the maintenance is convenient, the operation difficulty of the workers is reduced, the rain-proof cloth blocks rainwater for the shell of the power distribution cabinet, the rainwater can slide from four sides of the rain-proof cloth to form a sheltering barrier above the shell of the power distribution cabinet, and the rainwater is automatically prevented from entering the interior of the shell of the power distribution cabinet.

Description

An autonomous rain-proof heat dissipation power distribution cabinet

technical field

The invention relates to the technical field of power distribution cabinets, in particular to an autonomous rain-proof and heat-dissipating power distribution cabinet.

Background technique

Power distribution cabinets are divided into power distribution cabinets, lighting distribution cabinets, and metering cabinets, which are the final equipment of the power distribution system. The power distribution cabinet is the general name of the motor control center. The power distribution cabinet is used in the occasions where the load is relatively scattered and there are few circuits; the motor control center is used in the occasions where the load is concentrated and the circuits are many. They distribute the electrical energy of a certain circuit of the upper-level power distribution equipment to the nearest load. This class of equipment shall provide protection, monitoring and control of the load.

The switchboard is made of non-combustible materials, and in production sites and offices with low risk of electric shock, open switchboards can be installed; in processing workshops, casting, forging, heat treatment, boiler rooms with high risk of electric shock or poor working environment , carpentry room and other places, closed cabinets should be installed; in dangerous workplaces with conductive dust or flammable and explosive gases, closed or explosion-proof electrical facilities must be installed; Switches and lines should be neatly arranged, firmly installed, and easy to operate. The electrical components that must be installed on the outer surface of the board or the distribution board must have reliable shielding.

However, some existing power distribution cabinets need to be installed outdoors. Under special weather conditions, it is troublesome for the staff to check and repair the power distribution cabinet lines. Rainwater can easily enter the power distribution cabinet, which can easily lead to the danger of electric shock. Therefore, it is necessary to design an autonomous rain-proof and heat-dissipating power distribution cabinet to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an autonomous rain-proof and heat-dissipating power distribution cabinet, so as to solve the problem that some existing power distribution cabinets proposed in the above background technology need to be installed outdoors. The wiring of the cabinet is more troublesome, and the rainwater can easily enter the power distribution cabinet, which can easily lead to the risk of electric shock.

In order to achieve the above purpose, the present invention provides the following technical solutions: an autonomous rain-proof and heat-dissipating power distribution cabinet, comprising a power distribution cabinet body, and the power distribution cabinet body includes a power distribution cabinet shell, and the front of the power distribution cabinet shell is hinged A cabinet door is installed, a viewing window is embedded in the front of the cabinet door, the main body of electrical parts is fixedly installed in the inside of the power distribution cabinet shell, and protective shells are fixedly installed on both sides of the inner wall of the power distribution cabinet shell, and the protective shell The number is two, the inside of the two protective shells are fixedly installed with a No. 1 cooling fan and a No. 2 cooling fan, the two sides of the protective shell are inserted and installed with heat sinks, and the two sides of the power distribution cabinet shell are fixed A dust-proof mechanism is installed, and a rain-proof mechanism is fixedly installed on the top of the power distribution cabinet shell. The rain-proof mechanism includes a No. 2 rectangular plate, a motor and a No. 1 rectangular plate. A roller is inserted into the inside of the roller, a gear is fixedly installed on one side of the roller, a rain-proof cloth is sleeved on the outer side of the gear, and a No. 2 fixing plate is pasted on one side of the rain-proof cloth. A No. 1 connecting rod is fixedly installed on one side, and the number of No. 1 connecting rods is two. One side of the No. 1 connecting rod is rotatably installed with a No. 2 connecting rod, and one side of the No. 2 connecting rod is fixedly installed with a fixed connecting rod. One side of the two fixed blocks is respectively fixedly connected with the No. 1 rectangular plate and the fixed block, the front of the No. 1 rectangular plate is fixedly installed with a connecting block, and the inside of the connecting block is rotatably installed with a worm, the One side of the motor is rotatably connected with the worm through the rotating shaft. And one side of the No. 2 rectangular plate is fixedly connected to one side of the power distribution cabinet shell.

Preferably, cooling holes are evenly opened on both sides of the power distribution cabinet shell, and the wind pressure of the No. 1 cooling fan is greater than that of the No. 2 cooling fan.

Preferably, the material of the heat sink is an aluminum profile, which has good conductivity.

Preferably, the dust-proof mechanism includes a No. 1 fixed plate, a sliding rail and a moving plate, and the number of the sliding rails is two, and one side of the No. 1 fixed plate is rotatably installed with a strut and a No. 2 dust-proof plate, One side of the No. 1 fixing plate is fixedly connected with one side of the shell of the power distribution cabinet.

Preferably, a baffle plate is evenly fixed on one side of the No. 2 dust-proof plate, and a No. 1 dust-proof plate is hingedly installed on one side of the No. 2 dust-proof plate.

Preferably, a No. 2 magnetic sheet is embedded in the baffle plate, and a No. 1 magnetic sheet is embedded in the interior of the No. 1 dust-proof plate.

Preferably, hollow blocks are slidably installed inside the slide rails, a round rod is fixedly installed on one side of the moving plate, and the number of the round rods is two, and a plastic plate is fixedly installed on one side of the moving plate , L-shaped fixing rods are fixedly installed on both sides of the plastic plate, a sponge pad is pasted on one side of the plastic plate, and one side of the slide rail is fixedly connected to one side of the power distribution cabinet shell.

Preferably, a silicone ball is fixedly installed on one side of the L-shaped fixing rod, and a clamping block is fixedly installed on both sides of the sponge pad, and the clamping block is inserted into the interior of the L-shaped fixing rod.

Preferably, a threaded spring is fixedly installed inside the hollow block, and one side of the threaded spring is fixedly connected to one side of the round rod.

Preferably, one side opening of the sliding rail is closed, and the other side opening of the sliding rail is connected.

Compared with the prior art, the beneficial effects of the present invention are:

1. By setting up a rain-proof mechanism, when the staff is overhauling, the maintenance is convenient and the operation difficulty of the staff is reduced. The rain-proof cloth blocks the rainwater for the shell of the power distribution cabinet, and the rainwater will slide down from the four sides of the rain-proof cloth, which is the shell of the power distribution cabinet. A shielding barrier is formed above the panel, which automatically prevents rainwater from entering the interior of the enclosure of the power distribution cabinet.

2. By setting up cooling holes, cooling fins, No. 1 cooling fan, protective case and No. 2 cooling fan, a negative air duct is formed. Under negative air pressure, the cold air can be drawn into the inside of the distribution cabinet through the cooling holes to accelerate The conversion of the gas inside the shell of the power distribution cabinet, the heat sink accelerates the heat dissipation inside the shell of the power distribution cabinet, to ensure the normal use of the main body of the electrical parts inside the shell of the power distribution cabinet, and to prolong the service life.

3. By providing a dust-proof mechanism and moving the moving plate, the sponge pad can clean the heat dissipation holes, absorb the dust on the heat dissipation holes, prevent the heat dissipation holes from being blocked, and ensure the normal heat dissipation inside the power distribution cabinet shell, so that the No. 1 fixed plate It forms an angle with the No. 2 dust-proof plate, so as to block the heat dissipation hole and prevent dust and rainwater from falling into the interior of the heat-dissipating hole, and the No. 1 dust-proof plate guides the rainwater downward.

Description of drawings

Fig. 1 is the structure front sectional schematic diagram of the present invention;

2 is a schematic front view of the structure of the present invention;

3 is a schematic side view of the structure of the present invention;

Fig. 4 is the front view partial sectional structure schematic diagram of the present invention;

5 is a schematic view of the structure of the rain-proof mechanism of the present invention viewed from above;

Fig. 6 is the side view structural schematic diagram of the rainproof mechanism of the present invention;

Fig. 7 is the front structure schematic diagram of the dust-proof mechanism of the present invention;

FIG. 8 is an enlarged schematic diagram of a partial structure at A in FIG. 4 of the present invention.

In the figure: 100, main body of power distribution cabinet; 110, shell of power distribution cabinet; 120, main body of electrical parts; 130, cabinet door; 140, window; 150, cooling hole; 160, heat sink; 170, No. 1 cooling fan; 180 , protective shell; 190, No. 2 cooling fan; 200, dust-proof mechanism; 210, slide rail; 211, moving plate; 212, round rod; 213, plastic plate; 214, sponge pad; 215, No. 1 fixed plate; 216 , threaded spring; 217, hollow block; 218, clamping block; 219, silicone ball; 220, L-shaped fixed rod; 221, No. 1 dust-proof plate; 222, No. 2 dust-proof plate; 223, No. 1 magnetic sheet; 224 , baffle; 225, No. 2 magnetic sheet; 226, strut; 300, rainproof mechanism; 310, rain cloth; 311, No. 2 fixing plate; 312, No. 1 connecting rod; 313, No. 2 connecting rod; 314, Fixed block; 315, roller; 316, gear; 317, No. 1 rectangular plate; 318, motor; 319, No. 2 rectangular plate; 320, connecting block; 321, worm; 322, torsion spring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figures 1-8, an embodiment provided by the present invention:

An autonomous rain-proof and heat-dissipating power distribution cabinet includes a power distribution cabinet body 100, a power distribution cabinet body 100, the power distribution cabinet body 100 includes a power distribution cabinet shell 110, and a cabinet door 130 is hingedly installed on the front of the power distribution cabinet shell 110, A viewing window 140 is embedded in the front of the cabinet door 130 , an electrical component body 120 is fixedly installed in the interior of the power distribution cabinet shell 110 , and protective shells 180 are fixedly installed on both sides of the inner wall of the power distribution cabinet shell 110 , and the number of the protective shells 180 is two. The inside of the two protective shells 180 are fixedly installed with a No. 1 cooling fan 170 and a No. 2 cooling fan 190 respectively, the two sides of the protective shell 180 are inserted and installed with heat sinks 160, and the two sides of the power distribution cabinet shell 110 are fixedly installed with dustproof Mechanism 200, a rainproof mechanism 300 is fixedly installed on the top of the power distribution cabinet shell 110, and the rainproof mechanism 300 includes the second rectangular plate 319, the motor 318, the first rectangular plate 317, the second rectangular plate 319 and the first rectangular plate 317. A roller 315 is inserted inside, a gear 316 is fixedly installed on one side of the roller 315, a rain cloth 310 is sleeved on the outer side of the gear 316, and a second fixing plate 311 is pasted on one side of the rain cloth 310. The No. 1 connecting rod 312 is fixedly installed on the side, and the number of the No. 1 connecting rod 312 is two. One side of the No. 1 connecting rod 312 is rotatably installed with the No. 2 connecting rod 313, and one side of the No. 2 connecting rod 313 is fixedly installed with a fixed Block 314, one side of the two fixed blocks 314 are respectively fixedly connected with the No. 1 rectangular plate 317 and the fixed block 314, the front of the No. 1 rectangular plate 317 is fixedly installed with a connecting block 320, and the inside of the connecting block 320 is rotatably installed with a worm 321, One side of the motor 318 is rotatably connected with the worm 321 through the rotating shaft, one side of the worm 321 is meshed with one side of the gear 316, the second connecting rod 313 and the first connecting rod 312 are embedded with a torsion spring 322, the first rectangular One side of the plate 317 and the second rectangular plate 319 is fixedly connected with one side of the power distribution cabinet shell 110. By starting the motor 318, the motor 318 drives the worm 321 to rotate, and the worm 321 drives the gear 316 to rotate through meshing, so that the gear 316 drives the roller. 315 rotates, so that the drum 315 continuously transports the rain screen 310 rolled on the drum 315 to the outside. After the rain screen 310 becomes slack, the torsion spring 322 between the No. 1 connecting rod 312 and No. 2 connecting rod 313 works, The No. 1 connecting rod 312 and No. 2 connecting rod 313 are continuously stretched by the elastic force, so that the rain cover 310 is stretched a long distance from the retracted state, and is blocked above the power distribution cabinet shell 110. When the staff is overhauling, It is very convenient to block the rainwater for the power distribution cabinet shell 110 , and the rainwater will slide down from the four sides of the rain shield 310 , forming a shielding barrier for the upper part of the power distribution cabinet shell 110 to prevent rainwater from entering the interior of the power distribution cabinet shell 110 .

Further, the two sides of the power distribution cabinet shell 110 are evenly provided with cooling holes 150. The wind pressure of the No. 1 cooling fan 170 is greater than the wind pressure of the No. 2 cooling fan 190, and the wind pressure of the No. 1 cooling fan 170 is greater than that of the No. 2 cooling fan. The air pressure of 190 is formed to form a negative air duct. In the negative air pressure state, the cold air can be drawn into the inside of the distribution cabinet shell 110 through the heat dissipation holes 150 to accelerate the conversion of the gas inside the distribution cabinet shell 110. One end of the second cooling fan 190 is inhaled. As for the cold air, one end of the No. 1 cooling fan 170 removes the internal hot air flow of the power distribution cabinet shell 110 to accelerate the heat dissipation efficiency of the power distribution cabinet shell 110 .

Further, the material of the heat sink 160 is an aluminum profile, which has good conductivity. The heat generated by the main body 120 of the electrical parts inside the power distribution cabinet shell 110 is inhaled through one end of the heat sink 160, and is quickly transferred to the other end of the heat sink 160. The internal heat dissipation of the power distribution cabinet shell 110 is accelerated, so as to ensure the normal use of the main body 120 of the electrical parts inside the power distribution cabinet shell 110 and prolong the service life.

Further, the dust-proof mechanism 200 includes a No. 1 fixed plate 215, a sliding rail 210 and a moving plate 211, and the number of the sliding rails 210 is two. One side of the No. 1 fixed plate 215 is rotatably installed with a strut 226 and a No. 2 anti-static plate. Dust plate 222, one side of No. 1 fixed plate 215 is fixedly connected to one side of the distribution cabinet shell 110, and by moving the movable plate 211, the heat dissipation holes 150 are prevented from being blocked, and the inside of the distribution cabinet shell 110 can be properly dissipated.

Further, a baffle plate 224 is evenly fixed on one side of the No. 2 dust-proof plate 222, and a No. 2 dust-proof plate 221 is hingedly installed on one side of the No. 2 dust-proof plate 222, and the strut 226 is snapped into a suitable baffle plate 224. Above, the No. 1 fixing plate 215 and the No. 2 dust-proof plate 222 form an angle, so as to block the heat dissipation hole 150 to prevent dust and rain from falling into the interior of the heat-dissipating hole 150, and the No. Import below.

Further, a No. 2 magnetic sheet 225 is embedded in the baffle 224, and a No. 1 magnetic sheet 223 is embedded in the interior of the No. 1 dust-proof plate 221. The No. 2 magnetic sheet 225 and the No. 1 magnetic sheet 223 have opposite magnetic poles and can be attracted to each other. , when the surface of the heat dissipation hole 150 needs to be cleaned, it can be folded upwards to closely fit the No. 2 dustproof plate 222 .

Further, a hollow block 217 is slidably installed inside the slide rail 210 , a round rod 212 is fixedly installed on one side of the moving plate 211 , and the number of the round rods 212 is two, and a plastic plate is fixedly installed on one side of the moving plate 211 . 213, L-shaped fixing rods 220 are fixedly installed on both sides of the plastic plate 213, a sponge pad 214 is pasted on one side of the plastic plate 213, and one side of the slide rail 210 is fixedly connected with one side of the power distribution cabinet shell 110, so that the hollow The block 217 slides back and forth freely inside the slide rail 210 , so that the sponge pad 214 cleans the heat dissipation hole 150 and absorbs the dust on the heat dissipation hole 150 .

Further, a silicone ball 219 is fixedly installed on one side of the L-shaped fixing rod 220, and a clamping block 218 is fixedly installed on both sides of the sponge pad 214. The silicone ball 219 is buckled up and down, so that the sponge pad 214 can be replaced.

Further, a threaded spring 216 is fixedly installed inside the hollow block 217 , and one side of the threaded spring 216 is fixedly connected with one side of the round rod 212 . By pressing the moving plate 211 , the moving plate 211 squeezes the threaded spring 216 through the round rod 212 , so that the sponge pad 214 is close to the hole of the heat dissipation hole 150 to achieve a better cleaning effect.

Further, one side opening of the slide rail 210 is closed, and the other side opening of the slide rail 210 is connected, so that the moving plate 211 can be slid out from one side of the slide rail 210 to facilitate the replacement of the sponge pad 214 .

Example 1, as shown in FIG. 4 , the heat generated by the main body 120 of the electrical parts inside the enclosure 110 of the power distribution cabinet is sucked in through one end of the heat sink 160, and is quickly transferred to the other end of the heat sink 160, through the No. 1 cooling fan 170 and the second heat sink. The function of the No. 1 cooling fan 190, so as to achieve the effect of rapid cooling, the wind pressure of the No. 1 cooling fan 170 is greater than the wind pressure of the No. 2 cooling fan 190, forming a negative air duct, and the cold air can pass through the cooling holes 150 under negative air pressure. Inhale the inside of the power distribution cabinet shell 110 to accelerate the conversion of the gas inside the power distribution cabinet shell 110. One end of the No. 2 cooling fan 190 inhales cold air, and one end of the No. 1 cooling fan 170 removes the internal hot air from the power distribution cabinet shell 110 to accelerate the distribution. The heat dissipation efficiency of the electrical cabinet shell 110 .

Example 2, as shown in Figures 5 and 6, by starting the motor 318, the motor 318 drives the worm 321 to rotate, and the worm 321 drives the gear 316 to rotate through meshing, so that the gear 316 drives the drum 315 to rotate, so that the drum 315 continuously rotates. The rainproof cloth 310 rolled on the drum 315 is transported outward. After the rainproof cloth 310 becomes slack, the torsion spring 322 between the No. 1 connecting rod 312 and the No. 2 connecting rod 313 acts, so that the No. 1 connecting rod 312 and No. 2 connecting rod are connected. The rod 313 is continuously stretched by the elastic force, so that the rain cover 310 is stretched a long distance from the retracted state, and is blocked above the power distribution cabinet shell 110. When the staff is overhauling, it is very convenient, and it is the power distribution cabinet shell 110. To block the rain, the rain will slide from the four sides of the rain cover 310 to form a shielding barrier for the upper part of the power distribution cabinet shell 110 to prevent rainwater from entering the inside of the power distribution cabinet shell 110. When the rain screen 310 is not needed, it can be The motor 318 drives the worm 321 to rotate in the reverse direction, so that the gear 316 rotates in the reverse direction to shrink the rain screen 310, the second connecting rod 313 and the torsion spring 322 inside the first connecting rod 312 are squeezed, so that the first connecting rod 312 and the second connecting rod 312 are squeezed. The connecting rod 313 is folded and finally automatically retracted.

Working principle: One end of the heat sink 160 inhales the heat generated by the main body 120 of the electrical parts inside the power distribution cabinet shell 110, and quickly transfers it to the other end of the heat sink 160. The wind pressure of the No. 1 cooling fan 170 is greater than that of the No. 2 cooling fan 190. In the negative air pressure state, the cold air can be drawn into the inside of the power distribution cabinet shell 110 through the cooling holes 150 to speed up the conversion of the gas inside the power distribution cabinet shell 110. One end of the No. 1 cooling fan 170 removes the hot air flow inside the power distribution cabinet shell 110, starts the motor 318, the motor 318 drives the worm 321 to rotate, and the worm 321 drives the gear 316 to rotate through meshing, so that the gear 316 drives the roller 315 to rotate, so that the roller 315 continuously transports the rain cover 310 rolled on the drum 315 to the outside. After the rain cover 310 becomes loose, the torsion spring 322 between the No. 1 connecting rod 312 and the No. 2 connecting rod 313 acts to make the No. 1 connecting rod 312 work. The No. 2 connecting rod 313 is continuously stretched by the elastic force, so that the rain cover 310 is stretched a long distance from the retracted state, and is blocked above the power distribution cabinet shell 110, forming a shielding barrier for the top of the power distribution cabinet shell 110, When the rain screen 310 does not need to be used, the motor 318 can drive the worm 321 to rotate in the reverse direction, so that the gear 316 rotates in the reverse direction to shrink the rain screen 310, and the torsion spring 322 inside the second connecting rod 313 and the first connecting rod 312 is squeezed. Press, so that the No. 1 connecting rod 312 and No. 2 connecting rod 313 are folded.

Snap the strut 226 onto the appropriate baffle plate 224, so that an angle is formed between the No. 1 fixing plate 215 and the No. 2 dust-proof plate 222, so as to block the heat dissipation hole 150 and prevent dust and rain from falling into the heat dissipation hole 150. Inside, the No. 1 dust-proof plate 221 guides rainwater downward, and the No. 2 magnetic sheet 225 and No. 1 magnetic sheet 223 have opposite magnetic poles and can be attracted to each other. The dust-proof plate 222 is in close contact, and by moving the moving plate 211, the hollow block 217 slides back and forth freely inside the slide rail 210, so that the sponge pad 214 cleans the heat dissipation hole 150, absorbs the dust on the heat dissipation hole 150, and prevents the The heat dissipation hole 150 is blocked to ensure normal heat dissipation inside the power distribution cabinet shell 110. By squeezing the moving plate 211, the moving plate 211 squeezes the threaded spring 216 through the round rod 212, so that the sponge pad 214 is close to the hole of the heat dissipation hole 150, so as to achieve better performance. To achieve the cleaning effect, slide the moving plate 211 out from one side of the slide rail 210 , and buckle the sponge pad 214 from the silicone ball 219 , so as to replace the sponge pad 214 .

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (7)

1. The utility model provides a rain-proof heat dissipation switch board of autonomous, includes switch board main part (100), its characterized in that: switch board main part (100) includes switch board shell (110), the articulated cabinet door (130) of installing in front of switch board shell (110), window (140) are installed in the front embedding of cabinet door (130), the inside fixed mounting of switch board shell (110) has electrical apparatus part main part (120), the both sides fixed mounting of switch board shell (110) inner wall has protecting crust (180), and the quantity of protecting crust (180) is two, two the inside of protecting crust (180) is fixed mounting respectively has a radiator fan (170) and No. two radiator fan (190), fin (160) are installed in the both sides insertion of protecting crust (180), the both sides fixed mounting of switch board shell (110) has dustproof mechanism (200), the top fixed mounting of switch board shell (110) has rain-proof mechanism (300), rain-proof mechanism (300) include No. two rectangular plate (319), motor (318) and a rectangular plate (317), no. two rectangular plate (319) and the inside of a rectangular plate (317) have inserted cylinder (315), one side fixed mounting of cylinder (315) has gear (316), rain-proof cloth (316) is installed to one side of connecting rod (316) one fixed plate (310) there is pasted No. two rain-proof cloth (311) The number of the first connecting rods (312) is two, one side of the first connecting rod (312) is rotatably provided with a second connecting rod (313), one side of the second connecting rod (313) is fixedly provided with a fixing block (314), one side of each of the two fixing blocks (314) is fixedly connected with a first rectangular plate (317) and the fixing block (314), the front surface of the first rectangular plate (317) is fixedly provided with a connecting block (320), a worm (321) is rotatably arranged inside the connecting block (320), one side of a motor (318) is rotatably connected with the worm (321) through a rotating shaft, one side of the worm (321) is meshed with one side of a gear (316), a torsion spring (322) is embedded inside the second connecting rod (313) and the first connecting rod (312), and one side of the first rectangular plate (317) and one side of the second rectangular plate (319) are fixedly connected with one side of a power distribution cabinet shell (110);

the dustproof mechanism (200) comprises a first fixed plate (215), two sliding rails (210) and two moving plates (211), a support rod (226) and a second dustproof plate (222) are rotatably mounted on one side of the first fixed plate (215), and one side of the first fixed plate (215) is fixedly connected with one side of the power distribution cabinet shell (110);

one side of the second dustproof plate (222) is uniformly and fixedly provided with a baffle (224), and one side of the second dustproof plate (222) is hinged with a first dustproof plate (221);

magnetic sheet (225) No. two are installed to the inside embedding of baffle (224), magnetic sheet (223) are installed to the inside embedding of dust guard (221).

2. The autonomous rainproof and heat-dissipation power distribution cabinet according to claim 1, characterized in that: heat dissipation holes (150) are uniformly formed in two sides of the power distribution cabinet shell (110), and the wind pressure of the first heat dissipation fan (170) is greater than that of the second heat dissipation fan (190).

3. The rain-proof heat-dissipation switch board of autonomous of claim 1, characterized in that: the radiating fins (160) are made of aluminum profiles and have good conductivity.

4. The autonomous rain-proof heat dissipation switch board of claim 3, characterized in that: the utility model discloses a power distribution cabinet, including slide rail (210), movable plate (211), plastic slab (213), the both sides fixed mounting of plastic slab (213) has L type dead lever (220), foam-rubber cushion (214) have been pasted to one side of plastic slab (213), one side of slide rail (210) and one side fixed connection of switch board shell (110).

5. The autonomous rain-proof heat dissipation switch board of claim 4, characterized in that: one side of the L-shaped fixing rod (220) is fixedly provided with a silica gel ball (219), two sides of the sponge pad (214) are fixedly provided with clamping blocks (218), and the clamping blocks (218) are clamped into the L-shaped fixing rod (220).

6. The rain-proof heat-dissipation switch board of autonomous of claim 4, characterized in that: and a threaded spring (216) is fixedly mounted inside the hollow block (217), and one side of the threaded spring (216) is fixedly connected with one side of the round rod (212).

7. The rain-proof heat-dissipation switch board of autonomous of claim 4, characterized in that: one side opening of the sliding rail (210) is closed, and the other side opening of the sliding rail (210) is communicated.

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