CN213186925U

CN213186925U - Rainproof and dustproof outdoor remote communication device

Info

Publication number: CN213186925U
Application number: CN202022620988.5U
Authority: CN
Inventors: 李栋; 巴特尔; 高炳晴; 钟震宇; 冯振宇
Original assignee: Inner Mongolia University of Technology
Current assignee: Inner Mongolia University of Technology
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-05-11
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a rain-proof dirt-proof outdoor telecommunication device belongs to communication equipment technical field, including the protection cabinet, the board is placed, three to the back fixedly connected with three-layer of protection cabinet inner wall the top of placing the board all is provided with communication equipment, two damper of top fixedly connected with of protection cabinet, damper's top fixedly connected with weather shield, the air outlet has been seted up at the top of protection cabinet. The utility model discloses a, correspond the air intake through the setting and be equipped with dry subassembly, can carry out dehumidification drying to the moisture in the outside humid air of protection cabinet when rainwater weather, avoid intaking to cause the damage to equipment, the outside of second dust screen is rotated and is connected with the brush cleaner, flabellum in the brush cleaner can rotate because the circulation of air intake department to drive the brush and can rotate in the outside of second dust screen at the brush, brush the outside dust of second dust screen, play the effect of automatic clearance.

Description

Rainproof and dustproof outdoor remote communication device

Technical Field

The utility model relates to a communication equipment technical field, more specifically say, relate to a rain-proof dirt-proof outdoor telecommunication device.

Background

Telecommunications refers to the electronic transmission of voice, data, facsimile, image, audio, video and other information between connected systems by using analog or digital signal modulation techniques, and wireless communication techniques have been widely used in various fields as scientific techniques have been developed.

In order to meet the requirement of communication, the outdoor remote communication device can be constructed outdoors, but the existing outdoor remote communication device has single structure and function, the dustproof effect is unsatisfactory, and meanwhile, the waterproof effect is unsatisfactory in rainy days or when accumulated water is more, so that the short circuit of a line is easily caused, the service life is influenced, and the electric element is easily damaged when dust enters the equipment.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a rain-proof dirt-proof outdoor telecommunication device possesses rain-proof dirt-proof advantage, and it is unsatisfactory to have solved current outdoor telecommunication device dustproof and waterproof effect, causes the circuit short circuit easily, influences life, and the inside problem of damaging electrical component easily of dust entering equipment.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A rainproof and dustproof outdoor remote communication device comprises a protective cabinet, wherein three layers of placing plates are fixedly connected to the back surface of the inner wall of the protective cabinet, communication equipment is arranged on the tops of the three placing plates, two damping assemblies are fixedly connected to the top of the protective cabinet, a rain baffle is fixedly connected to the tops of the damping assemblies, an air outlet is formed in the top of the protective cabinet, a fan is fixedly connected to the inside of the air outlet, an air pipe is fixedly connected to the top of the air outlet, the back surface of the air pipe extends to the back surface of the protective cabinet, a sponge is fixedly connected to the inside of the air pipe, a first dustproof net is fixedly connected to the bottom of the air pipe, air inlets are formed in the left side and the right side of the protective cabinet, a second dustproof net is fixedly connected to the inside of the two air inlets, and drying assemblies are fixedly connected, the position of drying assembly and air intake is corresponding, the equal fixedly connected with fixed axle in the left and right sides of protection cabinet inner wall, two the outside that runs through two second dust screens and extend to the protection cabinet is respectively run through to the back of the body one side of the back of the body of fixed axle, two the fixed axle is carried on the back of the body one side and all is rotated and is connected with the brush cleaner, the bottom fixedly connected with waterproof support frame of protection cabinet.

Preferably, shock-absorbing component includes a damping section of thick bamboo, the bottom fixed connection of a damping section of thick bamboo is in the top of protection cabinet, the inside sliding connection of a damping section of thick bamboo has the damping piece, fixedly connected with supporting spring between the bottom of damping piece and the interior diapire of a damping section of thick bamboo, the top fixedly connected with bracing piece of damping piece, the top and the weather shield fixed connection of bracing piece.

Preferably, the top fixedly connected with photovoltaic power generation board of weather shield, the top fixedly connected with battery of protection cabinet, the top and the photovoltaic power generation board electric connection of battery.

Preferably, the drying component comprises two fixing blocks, one side of each fixing block, far away from the placement plate, is fixedly connected to the inner wall of the protection cabinet, and one opposite side of each fixing block is connected with the drying box in a sliding mode.

Preferably, evenly distributed's bleeder vent has all been seted up to the left and right sides of drying box, the inside packing of drying box has the drier.

Preferably, the rain-proof cover of the equal fixedly connected with in the left and right sides of protection cabinet, rain-proof cover is corresponding with the position of air intake, the elevation view of rain-proof cover is trapezoidal.

Preferably, the brush cleaner includes solid fixed ring, gu fixed ring rotates to be connected in the outside of fixed axle, gu fixed ring's five evenly distributed's of outside fixedly connected with flabellum, five the equal fixedly connected with brush in one side that the flabellum is close to the second dust screen, the brush is close to one side and the contact of second dust screen of protection cabinet.

Preferably, the top of the rain shield is fixedly connected with a lightning rod, and the inner top wall of the protection cabinet is fixedly connected with a temperature control switch.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the rain-proof and dust-proof outdoor remote communication device can block rainwater from the top by arranging the rain baffle plate, the damping component between the rain baffle plate and the protective cabinet plays a role in damping, eliminates harmful vibration and hitting power caused by rainwater erosion, protects the protective cabinet, the top of the protective cabinet is provided with the air outlet, hot air can be discharged more quickly by arranging the air outlet at the top due to the upward flowing of the hot air, the inside of the air outlet is fixedly connected with a fan, the fan can draw out the hot air inside the protective cabinet and discharge the hot air through an air pipe, the back of the air pipe is arranged to extend to the back of the protective cabinet, the opening is downward, so that the rainwater cannot enter from the top of the protective cabinet, raised dust cannot fall into the inside of the protective cabinet through the air pipe, when the fan is closed, a first dust screen inside the air pipe prevents further dust, so that the dust-proof effect is better, and the sponge can absorb moisture in the, the waterproof effect is further achieved, the left side and the right side of the protection cabinet are respectively provided with an air inlet, external air can be drawn into the protection cabinet from the air inlets due to the action of a fan, so that the air inside the protection cabinet circulates, the heat dissipation effect is achieved, a second dustproof net is arranged inside the air inlets, the air entering the protection cabinet is filtered, the dustproof and insect-proof effects are achieved, dust and flying insects are prevented from entering and damaging communication equipment, a drying component is arranged corresponding to the air inlets, moisture in moist air outside the protection cabinet can be dehumidified and dried in rainy days, the equipment is prevented from being damaged by entering water, a cleaning brush is rotatably connected to the outside of the second dustproof net, fan blades in the cleaning brush can rotate due to the circulation of the air at the air inlets, the brush is driven to rotate outside the second dustproof net, and dust outside the second dustproof net is brushed, play the effect of automatic clearance, waterproof support frame can be with protection cabinet frame height, prevents that the rainwater from causing the damage to the protection cabinet from the bottom.

(2) This rain-proof dirt-proof outdoor telecommunication device, top and weather shield fixed connection through setting up the bracing piece make the bracing piece play the supporting role to the weather shield, can support the damping piece, the damping piece is sliding connection in a damping section of thick bamboo, thereby play certain supporting role to the bracing piece through the damping action, supporting spring has elasticity, play the effect of shock attenuation buffering in the support, thereby make damper can play support and the absorbing effect of buffering.

(3) This rain-proof dirt-proof outdoor telecommunication device can utilize solar energy to generate electricity through setting up photovoltaic power generation board, and the battery can the electric power of storage, provides the electric energy for communication equipment, and the green energy of rational utilization makes the more green of device.

(4) This rain-proof dirt-proof outdoor telecommunication device can be with the rigidity of drying box through setting up the fixed block, sets up drying box and fixed block sliding connection, when the inside drier drying effect of drying box weakens, can take out drying box from the front of fixed block and change to make drying assembly's drying effect remain stable.

(5) This rain-proof dirt-proof outdoor telecommunication device makes the inside of dry box can get into the air through setting up the bleeder vent to the drier that makes inside packing can carry out the drying to the air that gets into from the air intake, absorbs the moisture in the air, makes dry air can get into the inside of protection cabinet through dry box.

(6) This rain-proof dirt-proof outdoor telecommunication device is trapezoidal through setting up rain-proof cover, and the top of rain-proof cover can block the descending rainwater, and the bottom of rain-proof cover can block the rainwater and descend to the splash that splashes on the ground, and the riser of rain-proof cover can block the rainwater that transversely wafts, and the front does not influence the circulation of air intake with the back to prevent that the rainwater from getting into the air intake and causing the damage to the inside communication equipment of protection cabinet.

(7) This rain-proof dirt-proof outdoor telecommunication device fixes in solid fixed ring's outside through setting up the flabellum, makes the flabellum rotate in the outside of fixed axle, when the inside of air intake has the air to flow, the flabellum can rotate to make the brush rotate in the outside of second dust screen, the outside dust of second dust screen is removed in the brush, play the effect of automatic clearance, the wind energy of circulation of air when having utilized the heat dissipation, do not need the motor to drive, moreover, the steam generator is simple in structure, low in cost, and the practicality is stronger.

(8) This rain-proof dirt-proof outdoor telecommunication device can avoid the device to receive the thunderbolt in thunderstorm season through setting up the lightning rod, leads to equipment to damage and produces the potential safety hazard even on fire, sets up temperature detect switch and can be used for detecting the inside temperature of protection cabinet, and the fan is opened automatically when the temperature is higher than certain threshold value and is cooled down the heat dissipation.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the shock absorbing assembly of the present invention;

FIG. 4 is a perspective view of the cleaning brush of the present invention;

fig. 5 is a side sectional view of the air duct of the present invention.

The reference numbers in the figures illustrate:

1. a protective cabinet; 101. a storage battery; 102. a rain cover; 2. placing the plate; 3. a communication device; 4. a shock absorbing assembly; 401. a damping cylinder; 402. a damping block; 403. a support spring; 404. a support bar; 5. a rain shield; 501. a photovoltaic power generation panel; 6. an air outlet; 7. an air duct; 8. a sponge; 9. a first dust screen; 10. an air inlet; 11. a second dust screen; 12. a drying assembly; 1201. a fixed block; 1202. drying the box; 13. a fixed shaft; 14. cleaning with a brush; 1401. a fixing ring; 1402. a fan blade; 1403. a brush; 15. a waterproof support frame; 16. a fan.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

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

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a rain-proof and dust-proof outdoor telecommunication device comprises a protection cabinet 1, three layers of placing plates 2 are fixedly connected to the back of the inner wall of the protection cabinet 1, communication equipment 3 is arranged on the top of each of the three placing plates 2, two damping assemblies 4 are fixedly connected to the top of the protection cabinet 1, a rain baffle 5 is fixedly connected to the top of each damping assembly 4, an air outlet 6 is formed in the top of the protection cabinet 1, a fan 16 is fixedly connected to the inside of the air outlet 6, an air pipe 7 is fixedly connected to the top of the air outlet 6, the back of the air pipe 7 extends to the back of the protection cabinet 1, a sponge 8 is fixedly connected to the inside of the air pipe 7, a first dust screen 9 is fixedly connected to the bottom of the air pipe 7, air inlets 10 are formed in the left and right sides of the protection cabinet 1, second dust screens 11 are fixedly connected to the insides of the, the drying component 12 corresponds to the air inlet 10, the left side and the right side of the inner wall of the protection cabinet 1 are fixedly connected with fixed shafts 13, the opposite sides of the two fixed shafts 13 respectively penetrate through the two second dust screens 11 and extend to the outside of the protection cabinet 1, the opposite sides of the two fixed shafts 13 are rotatably connected with cleaning brushes 14, the bottom of the protection cabinet 1 is fixedly connected with a waterproof support frame 15, rainwater can be blocked from the top integrally by arranging a rain baffle plate 5, a damping component 4 between the rain baffle plate 5 and the protection cabinet 1 has a damping effect to eliminate harmful vibration and hitting power caused by rainwater erosion, the protection cabinet 1 is protected, the top of the protection cabinet 1 is provided with an air outlet 6, because hot air flows upwards, the air outlet 6 is arranged at the top to discharge the hot air more quickly, the fan 16 is fixedly connected inside the air outlet 6, the fan 16 can draw out the hot air inside the protection cabinet 1, the air is discharged through the air pipe 7, the back surface of the air pipe 7 is arranged to extend to the back surface of the protection cabinet 1, the opening is downward, rainwater cannot enter from the top of the protection cabinet 1, raised dust cannot fall into the protection cabinet 1 through the air pipe 7, when the fan 16 is closed, the first dustproof net 9 in the air pipe 7 further prevents dust, the dustproof effect is better, the sponge 8 can absorb moisture in air, the waterproof effect is further achieved, the left side and the right side of the protection cabinet 1 are both provided with the air inlets 10, external air can be drawn into the protection cabinet 1 from the air inlets 10 under the action of the fan 16, the air in the protection cabinet 1 is circulated, the heat dissipation effect is achieved, the second dustproof net 11 is arranged in the air inlets 10, the air entering the protection cabinet 1 is filtered, the dustproof and insect-proof effects are achieved, and the dust and insect can be prevented from entering and damaging the communication equipment 3, correspond air intake 10 and be equipped with drying assembly 12, can carry out dehumidification drying to the moisture in the outside humid air of protection cabinet 1 when rainwater weather, avoid intaking to cause the damage to equipment, the outside rotation of second dust screen 11 is connected with brush cleaner 14, flabellum 1402 in brush cleaner 14 can rotate because the circulation of air intake 10 department, thereby drive brush 1403 can rotate at the outside of second dust screen 11 at brush 1403, brush off the outside dust of second dust screen 11, play the effect of automatic clearance, waterproof support frame 15 can set up protection cabinet 1 high, prevent that the rainwater from causing the damage to protection cabinet 1 from the bottom.

Further, damper 4 includes a damping section of thick bamboo 401, the bottom fixed connection of a damping section of thick bamboo 401 is in the top of protection cabinet 1, the inside sliding connection of a damping section of thick bamboo 401 has damping piece 402, fixedly connected with supporting spring 403 between the bottom of damping piece 402 and the interior diapire of a damping section of thick bamboo 401, the top fixedly connected with bracing piece 404 of damping piece 402, the top and the 5 fixed connection of weather shield of bracing piece 404, top and the 5 fixed connection of weather shield through setting up bracing piece 404, make bracing piece 404 play the supporting role to weather shield 5, can support damping piece 402, damping piece 402 is sliding connection in a damping section of thick bamboo 401, thereby play certain supporting role to bracing piece 404 through the damping effect, supporting spring has elasticity, play the effect of shock attenuation buffering in the support, thereby make damper 4 can play support and the effect of shock attenuation 403.

Further, the top fixedly connected with photovoltaic power generation board 501 of weather shield 5, the top fixedly connected with battery 101 of protection cabinet 1, the top and the photovoltaic power generation board 501 electric connection of battery 101 can utilize solar energy to generate electricity through setting up photovoltaic power generation board 501, and battery 101 can save the electricity, provides the electric energy for communication equipment 3, and the rational utilization green energy makes the device more green.

Further, drying component 12 includes two fixed blocks 1201, one side fixed connection in the inner wall of protection cabinet 1 that two fixed blocks 1201 keep away from placing board 2, two fixed blocks 1201 one side sliding connection have dry box 1202 relatively, can be with the rigidity of dry box 1202 through setting up fixed block 1201, set up dry box 1202 and fixed block 1201 sliding connection, when the inside drier drying effect of dry box 1202 weakens, can take out dry box 1202 from the front of fixed block 1201 and change, thereby make drying component 12's drying effect remain stable.

Further, evenly distributed's bleeder vent has all been seted up to the left and right sides of dry box 1202, and the inside packing of dry box 1202 has the drier, makes the inside of dry box 1202 can get into the air through setting up the bleeder vent to the drier that makes inside packing can carry out the drying to the air that gets into from air intake 10, absorbs the moisture in the air, makes dry air can get into the inside of protection cabinet 1 through dry box 1202.

Further, the equal fixedly connected with of the left and right sides of protection cabinet 1 is rain-proof cover 102, rain-proof cover 102 is corresponding with the position of air intake 10, the front view of rain-proof cover 102 is trapezoidal, it is trapezoidal through setting up rain-proof cover 102, the rainwater that descends can be blocked at the top of rain-proof cover 102, the bottom of rain-proof cover 102 can block the rainwater and descend the splash that splashes on the ground, the riser of rain-proof cover 102 can block the rainwater that transversely wafts, the openly and the back do not influence the circulation of air intake 10, thereby prevent that the rainwater from getting into air intake 10 and causing the damage to the communication equipment 3 of protection cabinet 1 inside.

Further, the cleaning brush 14 includes solid fixed ring 1401, gu fixed ring 1401 rotates to be connected in the outside of fixed axle 13, gu fixed ring 1401's five evenly distributed's of outside fixedly connected with flabellum 1402, five flabellum 1402 are close to the equal fixedly connected with brush 1403 of one side of second dust screen 11, brush 1403 is close to one side and the contact of second dust screen 11 of protection cabinet 1, fix the outside at solid fixed ring 1401 through setting up flabellum 1402, make flabellum 1402 can rotate at the outside of fixed axle 13, when there is the air flow in the inside of air intake 10, flabellum 1402 can rotate, thereby make brush 1403 can rotate at the outside of second dust screen 11, brush off the outside dust of second dust screen 11, play the effect of automatic clearance, the wind energy of circulation of air when having utilized the heat dissipation, do not need the motor to drive, moreover, the steam generator is simple in structure, low.

Further, the top fixedly connected with lightning rod of weather shield 5, the interior roof fixedly connected with temperature detect switch of protection cabinet 1 can avoid the device to receive the thunderbolt in thunderstorm season through setting up the lightning rod, leads to equipment to damage and even the production potential safety hazard of catching a fire, sets up temperature detect switch and can be used for detecting the inside temperature of protection cabinet 1, and the cooling heat dissipation is reduced to automatic fan 16 of opening when the temperature is higher than certain threshold value.

The working principle is as follows: when the device is used, when the temperature is higher than a certain threshold value, the temperature control switch starts the fan 16 to draw out hot air inside the protection cabinet 1 and discharge the hot air through the air pipe 7, the air inlets 10 are formed in the left side and the right side of the protection cabinet 1, external air can be drawn into the protection cabinet 1 from the air inlets 10 under the action of the fan 16 to circulate the air inside the protection cabinet 1 to achieve the heat dissipation effect, the second dust screen 11 filters the air entering the protection cabinet 1 to prevent dust and winged insects from entering and damaging the communication equipment 3, the drying component 12 dehumidifies and dries moisture in the humid air outside the protection cabinet 1 in the rain weather to prevent the equipment from being damaged by entering water, the fan blade 1402 in the air circulation cleaning brush 14 at the air inlets 10 rotates to drive the brush 1403 to rotate outside the second dust screen 11 at the brush 1403, and brushes off the dust outside the second dust screen 11, rain shield 5 blocks the rainwater from the top is whole, damper 4 between rain shield 5 and the protection cabinet 1 plays the shock attenuation effect, eliminate harmful vibrations and the hitting power that the rainwater erodees and bring, protect protection cabinet 1, waterproof support frame 15 is raised protection cabinet 1, prevent that the rainwater from leading to the fact the damage to protection cabinet 1 from the bottom, it is unsatisfactory to have solved current outdoor telecommunication device dustproof and waterproof effect, cause the circuit short circuit easily, influence life, the inside problem of damaging electrical component easily of dust entering equipment.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a rain-proof dirt-proof outdoor telecommunication device, includes protection cabinet (1), its characterized in that: the back of the inner wall of the protection cabinet (1) is fixedly connected with three layers of placing plates (2), the tops of the three placing plates (2) are provided with communication equipment (3), the top of the protection cabinet (1) is fixedly connected with two damping assemblies (4), the top of each damping assembly (4) is fixedly connected with a rain baffle (5), the top of the protection cabinet (1) is provided with an air outlet (6), the inside of the air outlet (6) is fixedly connected with a fan (16), the top of the air outlet (6) is fixedly connected with an air pipe (7), the back of the air pipe (7) extends to the back of the protection cabinet (1), the inside of the air pipe (7) is fixedly connected with a sponge (8), the bottom of the air pipe (7) is fixedly connected with a first dust screen (9), and the left side and the right side of the protection cabinet (1) are provided with air inlets (10, two the equal fixedly connected with second dust screen (11) in inside of air intake (10), the equal fixedly connected with drying assembly (12) in the left and right sides of protection cabinet (1) inner wall, drying assembly (12) are corresponding with the position of air intake (10), the equal fixedly connected with fixed axle (13) in the left and right sides of protection cabinet (1) inner wall, two the outside that runs through two second dust screens (11) respectively and extend to protection cabinet (1) is run through to the back of the body one side of fixed axle (13) mutually one side all rotates and is connected with brush cleaner (14), the bottom fixedly connected with waterproof support frame (15) of protection cabinet (1).

2. A rain and dust resistant outdoor telecommunication apparatus according to claim 1, characterised in that: shock-absorbing component (4) are including a damping section of thick bamboo (401), the bottom fixed connection of a damping section of thick bamboo (401) is in the top of protection cabinet (1), the inside sliding connection of a damping section of thick bamboo (401) has damping piece (402), fixedly connected with supporting spring (403) between the bottom of damping piece (402) and the interior diapire of a damping section of thick bamboo (401), top fixedly connected with bracing piece (404) of damping piece (402), the top and weather shield (5) fixed connection of bracing piece (404).

3. A rain and dust resistant outdoor telecommunication apparatus according to claim 1, characterised in that: the top fixedly connected with photovoltaic power generation board (501) of weather shield (5), the top fixedly connected with battery (101) of protection cabinet (1), the top and photovoltaic power generation board (501) electric connection of battery (101).

4. A rain and dust resistant outdoor telecommunication apparatus according to claim 1, characterised in that: the drying component (12) comprises two fixing blocks (1201), one side, far away from the placing plate (2), of each fixing block (1201) is fixedly connected to the inner wall of the protection cabinet (1), and one opposite side of each fixing block (1201) is connected with a drying box (1202) in a sliding mode.

5. The outdoor telecommunication device of claim 4, wherein: the left side and the right side of the drying box (1202) are provided with air holes which are uniformly distributed, and the drying agent is filled in the drying box (1202).

6. A rain and dust resistant outdoor telecommunication apparatus according to claim 1, characterised in that: the rain-proof cover (102) of equal fixedly connected with in the left and right sides of protection cabinet (1), rain-proof cover (102) correspond with the position of air intake (10), the front view of rain-proof cover (102) is trapezoidal.

7. A rain and dust resistant outdoor telecommunication apparatus according to claim 1, characterised in that: the cleaning brush (14) comprises a fixing ring (1401), the fixing ring (1401) is rotatably connected to the outside of the fixing shaft (13), five fan blades (1402) which are uniformly distributed are fixedly connected to the outside of the fixing ring (1401), a brush (1403) is fixedly connected to one side, close to the second dust screen (11), of the five fan blades (1402), and one side, close to the protection cabinet (1), of the brush (1403) is in contact with the second dust screen (11).

8. A rain and dust resistant outdoor telecommunication apparatus according to claim 1, characterised in that: the top fixedly connected with lightning rod of weather shield (5), the interior roof fixedly connected with temperature detect switch of protection cabinet (1).