Outdoor electrical equipment protection cabinet based on commercial power transmission
Technical Field
The invention relates to the technical field of power distribution equipment, in particular to an outdoor electrical equipment protection cabinet based on commercial power transmission.
Background
In the distribution of commercial power, a distribution box is generally used, the distribution box is a mass parameter on data, generally, a low-voltage forest is formed according to electrical wiring, and switching equipment, a measuring instrument, a protective electrical appliance and auxiliary equipment are required to be assembled in a closed or semi-closed metal cabinet or on a screen to form the low-voltage distribution box, and a circuit can be switched on or switched off by a manual or automatic switch in normal operation.
Most of the block terminals all set up outdoors, in order to make things convenient for the workman to maintain it, in order to avoid rainy day's rainwater and moisture to get into the inside of block terminal, present block terminal all sets up to the box that can seal, but in hot summer, resident's power consumption increases, the block terminal is under high load operation or sun's irradiation, can lead to its inside temperature to rise fast, and seal structure's box makes the radiating efficiency of block terminal lower, thereby lead to the inside accessories of block terminal to damage because of high temperature easily, influence the life of block terminal, therefore we propose a block terminal with the dampproofing function of cooling to solve above-mentioned problem.
For example, patent nos.: CN201710660522.8 discloses a distribution box with damp-proof, heat-dissipation and ventilation functions, and aims to solve the technical problem that' the distribution box is easy to be wetted by water entering, so that equipment in the distribution box is influenced; when the rainwater detection sensor senses rainwater, the lifting seat moves upwards, the rotary disc rotates, the water receiving disc on the rotary disc is aligned with the round hole of the box cover, and the water receiving disc can dissipate heat inside the distribution box through the rainwater, the application can achieve the effect of damp-proof heat dissipation through the recorded content of the specification, but in hot summer and when weak light rain just begins in the sky, the rainwater detection sensor can instantly control the screw rod to rotate when detecting the rainwater, make the lifting seat rise and the carousel rotates, it is corresponding with the round hole on the case lid to make the water receiving disc on the carousel, thereby make fan stop work, utilize the rainwater to dispel the heat to the block terminal, at this moment because just begin to rain, ambient temperature does not reduce in the twinkling of an eye because of the rainwater, and owing to be little rain, the rainwater quantity that leads to the water receiving disc to receive is less, consequently, can make the radiating effect of this block terminal relatively poor, lead to the inside temperature of block terminal to rise in the twinkling of an eye, thereby lead to inside accessories can be burnt out by high temperature, influence its life.
For another example, patent nos.: CN201710987084.6 discloses dampproofing high voltage distribution cabinet convenient to heat dissipation, its technical problem that solve is that the switch board can not in time dispel the heat and lead to the damage of components and parts in the switch board very easily, and on overcast and rainy day, contain a large amount of moisture in the air and cause the internal component to damage easily, through setting up updraft ventilator in this application, first ventiduct and second ventiduct, utilize the wind of nature to drive updraft ventilator and carry out work, thereby take out the inside steam of block terminal, but not all can wind production every day, if hot summer, and do not have the wind flow one day, the heat that inside heat of block terminal and sun irradiation produced, can lead to the inside accessories of block terminal because high temperature damages, lead to its life to reduce.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an outdoor electrical equipment protection cabinet based on commercial power transmission, which solves the problem that the service life of a distribution box is influenced by the fact that parts inside the distribution box are easy to damage due to high temperature.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a protection cabinet for outdoor electrical equipment based on commercial power transmission comprises a base box, wherein the top of the base box is fixedly connected with a box body and a protection box from left to right, the top of the protection box is fixedly connected with a rainwater detection sensor, the inside of the protection box is fixedly connected with a time delay device, two sides of the inner wall of the box body are respectively fixedly connected with square blocks, one ends of the two square blocks, which are far away from the inner wall of the box body, are respectively fixedly connected with a heat dissipation box, water inlets are respectively fixedly connected with water inlets at the top of the two heat dissipation boxes, one ends of the two water inlets, which are far away from the heat dissipation box, penetrate through the inner cavity at the top of the box body and extend to the top of the box body, one ends of the two water inlets, which are far away from the heat dissipation box, are respectively fixedly connected with water pipe joints, water outlets at the bottoms of the two heat dissipation boxes are respectively fixedly, the equal fixedly connected with supporting shoe in both sides of box, the equal fixedly connected with weight-measuring telescoping device in top of two supporting shoes, two ventholes department at box top fixedly connected with air suction fan and air discharge fan respectively.
Preferably, the delay device comprises a first connecting plate and a speed reducing motor, the first connecting plate is fixedly connected to the bottom of the inner wall of the protective box, the speed reducing motor is fixedly connected to the top of the inner wall of the protection box through a fixing leg, a threaded rod is fixedly connected to the bottom end of an output shaft of the speed reducing motor, the outer thread of the threaded rod is sleeved with a nut, the outer wall of the nut is fixedly connected with a circular column, a first fixing column is movably sleeved inside the circular column, the bottom of the first fixing column is fixedly connected to the top of the first connecting plate, one side of the outer wall of the nut, which is far away from the circular column, is fixedly connected with a connecting block, the bottom of the connecting block is fixedly connected with a second fixing column, the bottom of the second fixing column is fixedly sleeved with a rubber sleeve, the top of the first connecting plate is fixedly connected with a control switch, and the position of the control switch corresponds to the position of the second fixing column.
Preferably, the two weight-measuring expansion devices comprise two air pipes, the two air pipes are respectively and fixedly connected to the tops of the two supporting blocks, pistons are movably sleeved inside the two air pipes, movable rods are fixedly connected to the tops of the two pistons, second connecting plates are fixedly connected to the tops of the two movable rods, the corresponding ends of the two second connecting plates are fixedly connected through a water collecting and draining device, a fixing sleeve is fixedly connected to the tops of the air pipes, a first movable plate is movably sleeved inside the fixing sleeve, an inclined plane clamping block is fixedly connected to one end, close to the movable rods, of the first movable plate, a clamping groove matched with the size of the inclined plane clamping block is formed in one side, close to the fixing sleeve, of the movable rod, a first supporting plate is fixedly connected to one end, far away from the inclined plane clamping block, of the first movable plate, and a first magnet is fixedly connected to one end, the gas collecting box is characterized in that one end of the fixing sleeve, which is close to the first supporting plate, is fixedly connected with a second magnet, one end of the first supporting plate, which is far away from the first movable plate, is fixedly connected with a second movable plate, one side of the gas pipe, which is close to the fixing sleeve, is fixedly connected with a gas collecting box, one side of the gas collecting box, which is close to one side of the second movable plate, is fixedly connected with an elastic rubber layer, one side of the elastic rubber layer is attached to one side of the second movable plate, which is close to the first supporting plate, the gas pipe is fixedly connected to the position of the gas pipe at the position of.
Preferably, water collection drainage device is including the water catch bowl, the equal fixedly connected with second backup pad in both sides of water catch bowl inner wall, two the bottom of second backup pad is all through compression spring fixedly connected with water shutoff board, two the equal fixedly connected with in bottom of water shutoff board fills up the pad, two the position that fills up is corresponding with the both sides delivery port of water catch bowl respectively, and two equal fixedly connected with drain pipes in delivery port department of water catch bowl bottom, two the inside of drain pipe all is provided with the ejector pin, two the equal fixedly connected with dead lever in bottom of ejector pin, two the dead lever is fixed connection respectively in the inside of two inlet tubes.
Preferably, two stoppers of the bottom fixedly connected with of water catch bowl, the equal fixedly connected with thickening gasket of one end that the water catch bowl was kept away from to two stoppers, two the position of thickening gasket is corresponding with the air inlet of the fan of breathing in and the gas outlet of air discharge fan respectively, the bottom fixedly connected with kicking block of water catch bowl, the top fixedly connected with contact switch of box, the position of kicking block is corresponding with contact switch's position.
Preferably, the bottom of the inner wall of the box body is fixedly connected with two fixing blocks, the tops of the two fixing blocks are fixedly connected through a third supporting plate, an air outlet hole is vertically formed in the third supporting plate, and the bottom of the inner wall of the box body is fixedly connected with a ventilation fan which is located at the bottom of the third supporting plate.
Preferably, the side area size of heat dissipation case and the side area size looks adaptation of box inner wall, the heat dissipation case is made for heat-conducting material.
Preferably, the size of the cross section of the water collecting tank is equal to that of the cross section of the box body.
(III) advantageous effects
The invention provides an outdoor electrical equipment protection cabinet based on commercial power transmission, which has the following beneficial effects:
(1) this for outdoor electrical equipment protection cabinet based on commercial power transmission, through having set up delay device and weight-measuring telescoping device, can detect the time of rainfall and the volume of rainfall, carry out the sealed of different degrees to the box when appropriate, make the box can reach the effect of dampproofing cooling, reduce the damage of the inside accessories of box, improve the life of the inside accessories of box.
(2) This for outdoor electrical equipment protection cabinet based on commercial power transmission can seal the water catch bowl through second backup pad, compression spring and stifled water board, guarantees that the rainwater can save in the inside of water catch bowl, reduces the waste of rainwater, improves the utilization ratio of rainwater.
(3) This for outdoor electrical equipment protection cabinet based on commercial power transmission, through third backup pad, air outlet and scavenger fan, make the inside air of box can carry out quick circulation to when breathing in fan and air discharge fan and carrying out the during operation, heat dissipation that can be more quick, and when using the heat dissipation case to dispel the heat, also can improve its radiating efficiency.
(4) This for outdoor electrical equipment protection cabinet based on commercial power transmission utilizes ejector pin and dead lever, when the whole downstream of water catch bowl, the ejector pin can upwards jack-up stifled water board, makes the inside water of water catch bowl can be normal flow downwards.
(5) This for outdoor electrical equipment protection cabinet based on commercial power transmission utilizes stopper and thickening gasket, can seal the air inlet of inhaling the fan and the gas outlet of air discharge fan, guarantees that humid air can not get into the inside of box, avoids the inside moisture of box too big to avoid the inside accessories of box to damage because of the moisture.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front view of the water collecting and draining device of FIG. 1 according to the present invention;
FIG. 3 is a schematic front view of the weight measuring expansion device shown in FIG. 1 according to the present invention;
FIG. 4 is a schematic front view of the delay device of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1;
FIG. 6 is an enlarged view of a portion of FIG. 2 at B according to the present invention;
FIG. 7 is an enlarged view of a portion of the invention at C of FIG. 3;
FIG. 8 is an enlarged view of a portion of the invention at D in FIG. 3;
FIG. 9 is a schematic top view of the water pipe fitting of FIG. 6 according to the present invention;
fig. 10 is a front view schematically illustrating the trachea of fig. 3 according to the present invention.
In the figure: 1 base box, 2 box body, 3 protection box, 4 rain water detection sensor, 5 time delay device, 501 first connecting plate, 502 reducing motor, 503 threaded rod, 504 nut, 506 first fixed column, 507 connecting block, 508 second fixed column, 509 rubber sleeve, 510 control switch, 6 square block, 7 heat dissipation box, 8 water inlet pipe, 9 water pipe joint, 10 water outlet pipe, 11 supporting block, 12 weight measurement expansion device, 1201 air pipe, 1202 piston, 1203 movable rod, 1204 second connecting plate, 1205 fixed sleeve, 1206 first movable plate, 1207 inclined plane fixture block, 1208 clamping groove, 1209 first supporting plate, 1210 first magnet, 1211 second magnet, 1212 second movable plate, 1213 gas collection box, 1214 elastic layer, gas pipe 1215, 13 water collection drainage device, 1301 water collection groove, 1302 second supporting plate 1303 compression spring, 1304 water plugging plate, 1305 sealing gasket, 1306 drain pipe, 1307 ejector rod, 1308 fixed rod, 14 limiting block, 15 thickened sealing sheets, 16 suction fans, 17 exhaust fans, 18 top blocks, 19 contact switches, 20 fixed blocks, 21 third supporting plates, 22 air outlet holes and 23 ventilation fans.
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. 1-10, the present invention provides a technical solution: a protection cabinet for outdoor electrical equipment based on commercial power transmission comprises a base box 1, wherein the base box 1 can support a box body 2, rainwater can be prevented from eroding the bottom of the box body 2, the interior of the box body 2 can be prevented from being affected with damp, the top of the base box 1 is fixedly connected with the box body 2 and a protection box 3 from left to right respectively, the protection box 3 can protect an internal time delay device 5, damage of parts in the time delay device 5 is reduced, the service life of the time delay device is prolonged, the top of the protection box 3 is fixedly connected with a rainwater detection sensor 4, the rainwater detection sensor 4 can detect weather conditions and detect whether raining exists or not, and can transmit detected information to a controller, the controller is arranged in the box body 2, the interior of the protection box 3 is fixedly connected with the time delay device 5, the time delay device 5 comprises a first connecting plate 501 and a speed reduction motor 502, the model of the speed reducing motor 502 is TCH/V18-200-15S, a first connecting plate 501 is fixedly connected to the bottom of the inner wall of the protection box 3, the speed reducing motor 502 is fixedly connected to the top of the inner wall of the protection box 3 through fixing legs, a threaded rod 503 is fixedly connected to the bottom end of an output shaft of the speed reducing motor 502, a nut 504 is sleeved on an external thread of the threaded rod 503, a circular column 505 is fixedly connected to the outer wall of the nut 504, a first fixing column 506 is movably sleeved inside the circular column 505, the bottom of the first fixing column 506 is fixedly connected to the top of the first connecting plate 501, the nut 504 is limited by the circular column 505 and the first fixing column 506, it is ensured that the nut 504 cannot rotate, therefore, when the threaded rod rotates, the nut 504 can move up and down, a connecting block 507 is fixedly connected to one side of the outer wall of the nut 504, which is far away from, the bottom of the second fixing column 508 is fixedly sleeved with a rubber sleeve 509, the top of the first connecting plate 501 is fixedly connected with a control switch 510, the position of the control switch 510 corresponds to the position of the second fixing column 508, when the rainwater detection sensor 4 detects rainwater, the rainwater detection sensor 4 transmits information to a controller, the controller controls the reduction motor 502 to drive the threaded rod 503 to rotate anticlockwise, so that the nut 504 drives the second fixing column 508 to move downwards slowly, after ten minutes, the second fixing column 508 moves downwards to be in contact with the control switch 510, the control switch 510 transmits information to the controller under stress, the controller receives the information to stop the operation of the air suction fan 16 and the air exhaust fan 17, and as the outside has continuously rained for ten minutes, the external temperature is reduced due to rainwater, and the moisture content in the air is increased due to the existence of the rainwater, so that the relative humidity of the air is increased, if the air suction fan 16 and the air discharge fan 17 continue to work at this time, the air inside the box body 2 is communicated with the outside air, so that the humidity of the air inside the box body 2 is increased, the service life of parts inside the box body 2 is influenced, and the outside air is reduced and rains in the sky, the temperature inside the box body 2 is reduced through the contact between the box body 2 and rainwater, and then the air inside the box body 2 is reduced through the contact between the air inside the box body 2 and the outside air through the air suction fan 16 and the air discharge fan 17, at this time, because the temperature inside the box body 2 is higher, less moisture in the air cannot directly enter the inside of the box body 2, so that the heat dissipation effect and the moisture resistance of the box body are ensured, the square blocks 6 are fixedly connected to both sides of the inner wall of the box body 2 respectively, the heat dissipation boxes 7 are fixedly connected to both ends of the two square blocks 6 far, the heat dissipation boxes 7 are made of heat conducting materials, rainwater can quickly take away heat inside the box body 2 when passing through the heat dissipation boxes 7, so that the heat inside the box body 2 is reduced, overhigh temperature inside the box body 2 is avoided, water inlet openings at the tops of the two heat dissipation boxes 7 are fixedly connected with water inlet pipes 8, one ends of the two water inlet pipes 8, far away from the heat dissipation boxes 7, penetrate through an inner cavity at the top of the box body 2 and extend to the top of the box body 2, one ends of the two water inlet pipes 8, far away from the heat dissipation boxes 7, are fixedly connected with water pipe connectors 9, water outlet openings at the bottoms of the two heat dissipation boxes 7 are fixedly connected with water outlet pipes 10, one ends of the water outlet pipes 10, far away from the heat dissipation boxes 7, penetrate through an inner cavity at the bottom of the box body 2 and, the top of each of the two support blocks 11 is fixedly connected with a weight measuring expansion device 12, each of the two weight measuring expansion devices 12 comprises two air pipes 1201, each of the two air pipes 1201 is fixedly connected to the top of each of the two support blocks 11, each of the two air pipes 1201 is movably sleeved with a piston 1202, each of the top of each of the two pistons 1202 is fixedly connected with a movable rod 1203, each of the top of each of the two movable rods 1203 is fixedly connected with a second connecting plate 1204, corresponding ends of the two second connecting plates 1204 are fixedly connected through a water collecting and draining device 13, the top of each of the air pipes 1201 is fixedly connected with a fixing sleeve 1205, a first movable plate 1206 is movably sleeved inside the fixing sleeve 1205, one end of the first movable plate 1206 close to the movable rod 1203 is fixedly connected with an inclined plane clamping block 1207, one side of the movable rod 1203 close to the fixing sleeve 1205 is provided with a clamping groove 1208 matched with the size of the inclined, a first magnet 1210 is fixedly connected to one end of the first support plate 1209 close to the first movable plate 1206, a second magnet 1211 is fixedly connected to one end of the fixed sleeve 1205 close to the first support plate 1209, the sides of the first magnet 1210 corresponding to the second magnet 1211 are respectively an S pole and an N pole, the two magnets have the phenomenon that like magnetic poles repel each other and unlike magnetic poles attract each other, a second movable plate 1212 is fixedly connected to one end of the first support plate 1209 far away from the first movable plate 1206, a gas collection box 1213 is fixedly connected to one side of the gas pipe 1201 close to the fixed sleeve 1205, an elastic rubber layer 1214 is fixedly connected to a vent hole of the gas collection box 1213 close to one side of the second movable plate 1212, one side of the elastic rubber layer 1214 is attached to one side of the second movable plate 1212 close to the first support plate 1209, a gas pipe 1215 is fixedly connected to a vent hole at the bottom of the gas collection box 1213, and one end of the gas pipe 1215 far, the interior of the water collecting tank 1301 can rapidly store rainwater, the amount of water in the water collecting tank 1301 is increased, when the amount of water in the water collecting tank 1301 reaches a certain degree, the weight of the water collecting tank 1301 plus the weight of the water in the water collecting tank 1301 is utilized, the water collecting tank 1301 can drive the second connecting plate 1204 and the movable rod 1203 to press the piston 1202 downwards, the piston 1202 moves downwards to compress the air in the air pipe 1201, pressure is applied to the elastic rubber block on one side of the bottom of the air pipe 1201 to deform the elastic rubber block, after the movable rod 1203 moves to a certain distance, the clamping groove 1208 on the movable rod 1203 corresponds to the position of the fixed sleeve 1205, the first movable plate 1206 moves towards the movable rod 1203 by utilizing the principle that the unlike magnetic poles of the first magnet 1210 and the second magnet 1211 are mutually attracted, the inclined surface 1207 is inserted into the clamping block 1208 to fix the movable rod 1203, and the drain pipe 1306 is attached to the water pipe joint 9 at this time, the water blocking plate 1304 is jacked upwards by the jacking rod 1307, so that water in the water collecting tank 1301 can smoothly flow into the heat dissipation box 7, the heat dissipation box 7 is utilized to dissipate heat in the box body 2, at this time, the two thickened sealing sheets 15 are respectively attached to the air inlet of the air suction fan 16 and the air outlet of the air exhaust fan 17, the air inlet of the air suction fan 16 and the air outlet of the air exhaust fan 17 are sealed, the water vapor content in the air can be increased due to the existence of rainwater, so that the relative humidity of the air is increased, if the precipitation is large enough, the relative humidity can gradually reach 100%, therefore, the water vapor content in the air can be rapidly increased in heavy rain weather, when the heavy rain falls for a certain time, the humidity in the air is increased to be very high, at this time, the box body 2 needs to be sealed to prevent moisture from entering the box body 2, and the water collecting tank 1301 and the side middle expansion device 12 can utilize the, the sealing time of the box body 1 is controlled, it is ensured that the humidity and the temperature inside the box body 2 are not too high, after raining is finished, the air temperature rises, the box body 2 does not have rainwater to dissipate heat to the box body 2 in an auxiliary manner, the internal circuit of the box body 2 can be rapidly heated under high-load operation or sun irradiation, when the air temperature inside the box body 2 is high, the pressure is increased, so that the air pressure inside the box body 2 is transmitted to the inside of the gas collection box 1213 through the gas transmission pipe 1215, the elastic rubber layer 1214 on the gas collection box 1213 is deformed, the elastic rubber layer 1214 pushes the second movable plate 1212, the second movable plate 1212 drives the first supporting plate 1209 to move to the side of the fixing sleeve 1205 far away from the movable rod 1203, the first movable plate 1206 drives the inclined clamping block 1207 to move to the side of the fixing sleeve 1205 far away from the movable rod 1203, the inclined clamping block 1207 is separated from the clamping groove 1208, and then the elastic rubber block at, the piston 1202 is pushed upwards by the air in the air pipe 1201, so that the piston 1202 drives the movable rod 1203, the second connecting plate 1204 and the water collecting tank 1301 to move upwards, the air inlet of the air suction fan 16 and the air outlet of the air discharge fan 17 can be ventilated and radiated, the time of raining and the amount of raining can be detected by arranging the time delay device 5 and the weight measuring telescopic device 12, the box body 2 can be sealed in different degrees when appropriate, the box body 2 can achieve the effects of moisture prevention and temperature reduction, the damage of parts in the box body 2 is reduced, the service life of the parts in the box body 2 is prolonged, the water collecting and draining device 13 comprises a water collecting tank 1301, the two sides of the inner wall of the water collecting tank 1301 are fixedly connected with second supporting plates 1302, the bottoms of the two second supporting plates 1302 are fixedly connected with 1303 water blocking plates 1304 through compression springs, and the bottoms of the two water blocking plates 1304 are fixedly connected with sealing gaskets 1305, the positions of the two sealing gaskets 1305 correspond to the water outlets on the two sides of the water collecting tank 1301 respectively, so that the water blocking plate 1304 and the sealing gaskets 1305 are tightly attached to the inner wall of the water collecting tank 1301, rainwater cannot leak from the water draining holes of the water collecting tank 1301, the water collecting tank 1301 can be sealed through the second supporting plate 1302, the compression springs 1303 and the water blocking plates 1304, rainwater can be stored in the water collecting tank 1301, the waste of rainwater is reduced, the utilization rate of the rainwater is improved, the water draining pipes 1306 are fixedly connected to the two water outlets at the bottom of the water collecting tank 1301, the push rods 1307 are arranged in the two water draining pipes 1306, the fixing rods 1308 are fixedly connected to the bottoms of the two push rods 1307 respectively, the push rods 1307 can push up the water blocking plate 1304 upwards when the water collecting tank 1301 integrally moves downwards by utilizing the push rods 1307 and the fixing rods 1308, so that water in the water collecting tank 1301 can flow downwards normally, two ventilation openings at the top of the box body 2 are respectively and fixedly connected with an air suction fan 16 and an air exhaust fan 17, the bottom of the water collecting tank 1301 is fixedly connected with two limit blocks 14, one ends of the two limit blocks 14 far away from the water collecting tank 1301 are respectively and fixedly connected with thickened sealing sheets 15, the positions of the two thickened sealing sheets 15 are respectively corresponding to an air inlet of the air suction fan 16 and an air outlet of the air exhaust fan 17, the air inlet of the air suction fan 16 and the air outlet of the air exhaust fan 17 can be sealed by utilizing the limit blocks 14 and the thickened sealing sheets 15, moist air is ensured not to enter the box body 2, excessive moisture in the box body 2 is avoided, accordingly, damage of parts in the box body 2 due to the moisture is avoided, the bottom of the water collecting tank 1301 is fixedly connected with a top block 18, the top of the box body 2, two fixed blocks 20 of bottom fixedly connected with of 2 inner walls of box, through third backup pad 21 fixed connection between the top of two fixed blocks 20, the inside of third backup pad 21 is vertical has seted up exhaust vent 22, the bottom fixedly connected with scavenger fan 23 of 2 inner walls of box, scavenger fan 23 is located the bottom of third backup pad 21, through third backup pad 21, air outlet 22 and scavenger fan 23, make the inside air of box 2 can carry out quick circulation, thereby when breathing in fan 16 and exhaust fan 17 and carry out the during operation, heat dissipation that can be more quick, and when using heat dissipation case 7 to dispel the heat, also can improve its radiating efficiency, the cross section size of water catch bowl 1301 equals with the cross section size of box 2, can protect the suction fan 16 and the exhaust fan 17 at 2 tops of box like this, and under the sun, can shelter from sunshine for box 2.
The working principle is as follows: when it is rainy, the rain water detecting sensor 4 will transmit information to the controller inside the box body 2, the controller controls the deceleration motor 502 inside the time delay device 5 to work, so that the second fixed column 508 moves downwards, ten minutes later, the second fixed column 508 contacts with the control switch 510, the control switch 510 transmits information to the controller inside, the controller controls the suction fan 16 and the exhaust fan 17 to stop working, heat dissipation is performed inside the box body 2 by utilizing contact of rain water and air, when it is rainstorm, the rapid rainwater accumulation inside the water collecting tank 1301 will press the piston 1202 downwards when the accumulated rainwater reaches a certain weight, so that the water collecting tank 1301, the movable rod 1203 and the piston 1202 move downwards and fix the movable rod 1203, at this time, the water drain pipe 1306 is attached to the water pipe joint 9, the water blocking plate 1305 will be lifted upwards by the top rod 1307, make the inside water of water catch bowl 1301 can be smooth flow to heat dissipation case 7 in, utilize heat dissipation case 7 to the inside heat dissipation of box 2, two thickening gaskets 15 respectively with the air inlet of suction fan 16 and the gas outlet laminating of air discharge fan 17 together, the air inlet of suction fan 16 and the gas outlet of air discharge fan 17 seal up, and kicking block 18 and contact switch 19 contact, to gear motor 502, suction fan 16 and air discharge fan 17 cut off the power supply, utilize box 2 and rainwater contact, and heat dissipation case 7 dispels the heat to box 2 inside with the rainwater contact, guarantee that the moisture can not get into the inside of box 2 when guaranteeing the radiating.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.