CN113764992B - Self-checking maintenance device for power distribution cabinet - Google Patents
Self-checking maintenance device for power distribution cabinet Download PDFInfo
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- CN113764992B CN113764992B CN202110898254.XA CN202110898254A CN113764992B CN 113764992 B CN113764992 B CN 113764992B CN 202110898254 A CN202110898254 A CN 202110898254A CN 113764992 B CN113764992 B CN 113764992B
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- water
- power distribution
- distribution cabinet
- cavity
- shell
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- 238000012423 maintenance Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 175
- 230000000903 blocking effect Effects 0.000 claims description 63
- 238000007667 floating Methods 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 16
- 238000012806 monitoring device Methods 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Atmospheric Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to a self-checking maintenance device of a power distribution cabinet, which comprises a power distribution cabinet, a mounting block buried in the ground and a waterproof component for preventing the power distribution cabinet from water inflow, wherein the mounting block is arranged at the lower side of the power distribution cabinet, a cavity is arranged in the power distribution cabinet, one side of the cavity is an open surface, a door plate is rotationally connected with the cavity in the open surface, a gap is formed between the door plate and the power distribution cabinet.
Description
[ field of technology ]
The invention relates to the technical field related to power distribution cabinets, in particular to a self-checking maintenance device for a power distribution cabinet.
[ background Art ]
The switch board is as the last level equipment of distribution system, all need use the switch board in every industry, and to some switch boards that use outdoor, because the difference of season and weather can receive the damage of extreme weather such as high temperature, storm, heavy rainfall and snowfall and lead to the switch board, to heavy rainfall weather and snowfall weather, because the water that the melting of rainwater or snow produced enters into in the switch board, and lead to water and electrical components contact to take place the short circuit, serious possible explosion. And in the case of heavy rainfall, rainwater is accumulated, and a great danger can occur in the power distribution cabinet due to the fact that water is an electric conductor.
The power distribution cabinet in the prior art has the risk that water enters the cabinet body and cannot be discharged, and the probability of damaging electric devices is increased as rainwater entering the cabinet body is increased gradually, so that serious potential safety hazards exist.
Aiming at the problems existing in the prior art, the following two solutions are provided:
1. the sealing performance of the cabinet body of the power distribution cabinet is improved, and external rainwater is prevented from entering;
2. the cabinet body drainage mechanism is increased, rainwater entering the cabinet body carelessly is discharged rapidly, the probability of contact between the rainwater and electric appliances is reduced, rainwater is prevented from accumulating in the cabinet body, and accordingly risks are reduced.
In summary, there is a need in the market for a device that can provide multiple protection against rain. And when rainwater permeates into the power distribution cabinet, the device for maintaining the water accumulation problem inside the power distribution cabinet can be solved.
[ invention ]
The invention aims to overcome the defects in the prior art and provides a self-checking and maintaining device for a power distribution cabinet.
In order to achieve the above purpose, the invention provides a self-checking maintenance device for a power distribution cabinet, which comprises the power distribution cabinet, a mounting block buried in the ground and a waterproof component for preventing the power distribution cabinet from water inflow;
the installation block is arranged at the lower side of the power distribution cabinet, a cavity is arranged in the power distribution cabinet, one side of the cavity is an open surface, the cavity is rotationally connected with a door plate in the open surface, a gap is formed between the door plate and the power distribution cabinet, an electric device is arranged in the cavity, the electric device in the cavity is convenient to maintain and check through the open surface, and the lower end of the electric device is fixedly connected with the inner wall of the cavity;
the waterproof assembly comprises a water blocking shell, a water blocking shell and a plurality of floating pieces, wherein the water blocking shell and the water blocking shell are respectively positioned inside and outside the power distribution cabinet so as to block gaps between the door plate and the power distribution cabinet;
the cross section of every floating piece all is "U" form, and the one end of a plurality of floating piece all passes the switch board and is connected with same water blocking shell in the inside of cavity fixedly, and the other end of a plurality of floating piece is connected with same water blocking shell in the outside fixedly of switch board. The installation piece is provided with a water collecting tank matched with the floating piece, and the water collecting tank is used for collecting external rainwater.
Preferably, the water removing device is arranged on the upper side of the cavity, the waterproof component comprises a detector, the detector is connected with the water removing device through a controller, and the water removing device is started through the controller when the detector detects that water is accumulated in the cavity.
Preferably, the water removing device comprises a blade, a power piece, an output shaft and a drying block, wherein the power piece is fixedly connected to the upper end of the cavity, the output shaft is in power connection to the lower end of the power piece, the blade is fixedly connected to the lower end of the output shaft, the drying block is positioned on the lower side of the blade, the drying block is detachably fixed in the cavity, the drying block is positioned between the blade and the electric device, and a plurality of air holes are formed in the drying block to enable air to pass through.
Preferably, the switch board lower extreme is provided with a plurality of evenly distributed's drainage subassembly, the drainage subassembly includes the elastic component, the casing and blocks the ball, the casing is the cylinder in this application, be equipped with the outlet that link up in the casing, the outlet is linked together with cavity and water collecting chamber, the cross-sectional area that the outlet is close to cavity one side is less than the cross-sectional area that is close to water collecting chamber one side, it sets up in the outlet to block the ball, it is connected through the elastic component to block between ball and the casing, it contacts the inner wall at the outlet to block the ball, and it is outside the outlet to block the ball part, the cross section is one side at the bottom of the trapezoidal outlet promptly.
Preferably, when the blocking ball contacts with the inner wall of the water outlet and is in a sealing state, the elastic force of the elastic member is equal to the gravity of the blocking ball.
Preferably, the blocking sphere has a density less than the density of water, i.e. the blocking sphere has a density less than the density of water.
Preferably, the installation block comprises an installation shell and a water storage cavity for storing rainwater, the installation shell is installed at the lower end of the power distribution cabinet, a water collecting tank matched with the floating piece is arranged in the installation shell, the water collecting tank is provided with a first valve upwards, the water collecting tank and the water storage cavity are provided with a first valve, and rainwater in the water collecting tank enters the water storage cavity through the first valve, so that the rainwater flowing into the water collecting tank is discharged. The description is as follows: the water storage chamber may be in communication with an external municipal pipe.
Preferably, the installation block further comprises four mutually independent water suction pipes, each water suction pipe is used for communicating the external ground with the water storage cavity, and a second valve used for opening and closing the pipeline is arranged between each water suction pipe and the water storage cavity.
Preferably, the upper end of the mounting block is provided with a monitoring device for monitoring rainfall, and the monitoring device is connected with the second valve through signals.
Preferably, the mounting shell is a cube in this application, and the ground needs to have a pit for mating with the mounting shell, which can be a cylinder or other shape for ease of installation in addition to the cube.
Preferably, a gasket is provided between the periphery of the door panel and the open face of the cavity to prevent ingress of rainwater into the cavity from the open face of the cavity.
The invention has the advantages that:
1. through the rising of waterproof assembly during rainy day, carry out cladding protection through the electrical components in with the switch board to waterproof assembly can prevent that the rainwater from permeating the switch board through the gap in, thereby realize preventing that rainwater and electrical components contact and lead to the condition emergence of short circuit.
2. If rainwater inadvertently infiltrates into the cavity, water accumulation is detected in the cavity through the detector, the detector starts the water removing device through the controller, the water removing device accelerates evaporation through accelerating air flow, the water accumulation is accelerated to the evaporation belongs to a heat absorption process, and the temperature of an electric device can be reduced.
3. When the water accumulation in the cavity is more, the water accumulation in the cavity is discharged through the drainage assembly, and the drainage assembly can prevent external water from entering the cavity.
4. External ponding can be monitored through monitoring devices, and when the external ponding is too much, the external ponding can be sucked and discharged out of the municipal pipeline, so that the ponding on the road surface is reduced.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a three-dimensional structure of a self-checking and maintaining device of a power distribution cabinet;
FIG. 2 is a schematic cross-sectional view of a self-checking and maintaining device of a power distribution cabinet;
FIG. 3 is a schematic diagram of a cross-sectional structure of a power distribution cabinet when the self-checking maintenance device is protected;
FIG. 4 is an enlarged schematic view of a drain assembly in a self-test maintenance device for a power distribution cabinet;
FIG. 5 is a schematic perspective view of a drainage assembly in a self-checking and maintenance device of a power distribution cabinet;
FIG. 6 is a schematic cross-sectional view of FIG. 5;
fig. 7 is a schematic perspective view of a waterproof assembly in a self-checking and maintaining device of a power distribution cabinet.
Reference numerals: the device comprises a power distribution cabinet, a 12-door plate, a 13-cavity, a 14-electric device, a 2-waterproof component, a 21-water blocking shell, a 22-detector, a 23-water blocking shell, a 24-floating piece, a 3-mounting block, a 31-mounting shell, a 32-water collecting tank, a 33-water storage cavity, a 34-water suction pipe, a 4-water removal device, a 41-blade, a 42-power piece, a 43-output shaft, a 44-drying block, a 5-monitoring device, a 61-first valve, a 62-second valve, an 8-water discharging component, a 81-elastic piece, a 82-shell and a 83-blocking ball.
[ detailed description ] of the invention
The following detailed description of the invention provides specific embodiments with reference to the accompanying drawings.
Reference numerals and components referred to in the drawings are as follows:
throughout this description, it will be apparent that the embodiments described in this specification are only a part of the possible technical solutions of the invention, and other embodiments, which are obtained by those skilled in the art based on the embodiments of the invention without any inventive effort, should be considered as falling within the scope of the protection of the invention.
The technical solutions of the embodiments of the present invention described in the present specification may be combined with each other, but it is necessary that the technical solutions are based on the fact that those skilled in the art can implement the embodiments, and when the technical solutions are combined with each other or cannot be implemented, the technical solutions should be considered as not being combined.
As shown in fig. 1-7, the self-checking maintenance device of the power distribution cabinet comprises the power distribution cabinet 11, a mounting block 3 buried in the ground and a waterproof component 2 for preventing the power distribution cabinet 11 from water inflow;
the installation block 3 is arranged at the lower side of the power distribution cabinet 11, a cavity 13 is arranged in the power distribution cabinet 11, one side of the cavity 13 is an open surface, the cavity 13 is rotationally connected with a door plate 12 in the open surface, a gap is formed between the door plate 12 and the power distribution cabinet 11, an electric device 14 is arranged in the cavity 13, the electric device 14 in the cavity 13 is convenient to maintain and check through the open surface, and the lower end of the electric device 14 is fixedly connected with the inner wall of the cavity 13;
the waterproof assembly 2 comprises a water blocking shell 21, a water blocking shell 23 and a plurality of floating pieces 24, wherein the water blocking shell 21 and the water blocking shell 23 are respectively positioned inside and outside the power distribution cabinet 11 so as to block gaps between the door plate 12 and the power distribution cabinet 11;
the cross section of each floating piece 24 is U-shaped, one end of each floating piece 24 penetrates through the power distribution cabinet 11 and is fixedly connected with the same water blocking shell 21 in the cavity 13, and the other end of each floating piece 24 is fixedly connected with the same water blocking shell 23 in the outside of the power distribution cabinet 11. A water collection tank 32 for cooperation with the float 24 is provided in the mounting block 3, the water collection tank 32 being for collecting external rainwater.
Under heavy rainfall weather, the rainwater is collected in the water collecting tank 32 fast, and the floating piece in the water collecting tank 32 floats upwards under the action of the rainwater, the water blocking shell 21 moves in the cavity 13 through the movement of the floating piece 24, and the water blocking shell 23 is driven to move outside the power distribution cabinet 11, when the accumulated water outside the power distribution cabinet 11 flows into the water collecting tank of the installation block 3, the floating piece 24 floats upwards due to the buoyancy of the water, the water blocking shell 21 and the water blocking shell 23 are lifted and are attached to the open face and block gaps, and the rainwater is prevented from penetrating into the cavity 13 to contact the electric device 14.
Further, the water-proof assembly 2 further comprises a water removing device 4 for removing water from the water accumulated in the power distribution cabinet 11, the water removing device 4 is arranged on the upper side of the cavity 13, the water-proof assembly 2 comprises a detector 22, the detector 22 is connected with the water removing device 4 through a controller, and the water removing device 4 is started through the controller when the detector 22 detects that the water accumulated in the cavity 13;
in heavy rainfall weather, rainwater outside the power distribution cabinet 11 is accumulated to generate accumulated water, the accumulated water flows into the mounting block 3, and the floating piece 24 is driven to float upwards by the buoyancy of the water along with the rising of the water surface of the accumulated water, so that the water blocking shell 21 and the water blocking shell 23 are driven to move upwards, the accumulated water is prevented from entering the cavity 13 through the open surface by contacting and matching the water blocking shell 21 and the water blocking shell 23 with the open surface of the cavity 13, a containing cavity is formed in the water blocking shell 21, the electric device 14 is positioned in the containing cavity so as to erect three water blocking and defense lines (a first water blocking shell 23, a second water blocking shell 11 and a door plate 12, and a third water blocking shell 21) for the electric device 14, so that the electric device 14 is prevented from being short-circuited due to the contact of the accumulated water entering the cavity 13; and once detect through detector 22 that there is ponding in the cavity 13, the controller makes water trap 4 start, and carries out the dewatering to ponding in the cavity 13, thereby make the ponding accelerate the evaporation through accelerating the air flow in the cavity 13, and play the effect of carrying out the maintenance of self-checking dewatering in the cavity 13, prevent ponding to cause damage to electric device 14 and the ponding to pile up in the cavity 13 and lead to switch board 11 to rust the damage.
The description is as follows: the water removal device 4 in the present application may also be a fan or blower that evaporates the water by accelerating the air flow within the cavity 13. In addition, ponding evaporation is the process of heat absorption, can also absorb the heat that the switch board during operation produced, outwards discharge by the fan at last, avoids the vapor in the switch board too much and leads to the condition emergence of short circuit.
Further, the water removing device 4 comprises a blade 41, a power piece 42, an output shaft 43 and a drying block 44, wherein the power piece 42 is fixedly connected to the upper end of the cavity 13, the output shaft 43 is in power connection with the lower end of the power piece 42, the blade 41 is fixedly connected to the lower end of the output shaft 43, the drying block 44 is positioned at the lower side of the blade 41, the drying block 44 is detachably fixed in the cavity 13, the drying block 44 is positioned between the blade 41 and the electric device 14, and a plurality of air holes are formed in the drying block 44 and can allow air to pass through;
when specifically using, the one end of controller passes through electric connection with power 42, power 42 is the motor in this application specifically, the controller other end and detector 22 signal connection, when detector 22 detects that there is water in the cavity 13, through controller start power 42, and then drive output shaft 43 and rotate, and then drive blade 41 and rotate, thereby make the air flow in the cavity 13, accelerate the evaporation of water in the cavity 13, and dry piece 44 absorbs the aqueous vapor in the cavity 13, prevent that the aqueous vapor from condensing into the drop of water again and attaching in the cavity 13, after dry piece 44 absorbs full water, can dismantle and change dry piece 44.
Further, referring to fig. 5 to 7, the lower end of the power distribution cabinet 11 is provided with a plurality of evenly distributed drain assemblies 8, the drain assemblies 8 include elastic members 81, a housing 82 and blocking balls 83, the housing 82 is a cylinder in the present application, a through drain outlet 84 is formed in the housing 82, the drain outlet 84 is communicated with the cavity 13 and the water collecting cavity 32, the cross-sectional area of one side of the drain outlet 84 close to the cavity 13 is smaller than that of one side close to the water collecting cavity 32, the blocking balls 83 are arranged in the drain outlet 84, the blocking balls 83 are connected with the housing 82 through the elastic members 81, the blocking balls 83 are contacted with the inner wall of the drain outlet 84, and the blocking balls 83 partially protrude out of the drain outlet, namely, one side of the lower bottom of the trapezoid of the drain outlet with the cross section being trapezoid.
Further, when the blocking ball 83 contacts the inner wall of the drain port 84 and is in a sealed state, the elastic force of the elastic member 81 is equal to the gravity of the blocking ball 83.
Further, the density of the blocking balls 83 is less than the density of water, i.e., the blocking balls 83 have a density of less than 1.
When the drainage assembly 8 is specifically installed, a through hole matched with the shell 82 is formed in the lower side of the power distribution cabinet 11, the shell 82 is assembled in the through hole of the power distribution cabinet 11, the elastic piece 81 is arranged on the upper side of the blocking ball 83, the protruding part of the blocking ball 83 faces downwards, the elastic piece 81 plays a role in counteracting the gravity of the blocking ball 83, and the elastic piece 81 can be a spring;
when the drainage assembly 8 specifically works, after rainwater flows into the cavity 13, the rainwater flows downwards due to the gravity, when water flows into the drainage outlet 84, the pressure of the water is increased along with the increase of the water, the water drives the blocking ball 83 to descend, the blocking ball 83 is separated from the inner wall of the drainage outlet 84 to generate a gap, and the water flows into the water collecting tank of the installation shell 3 through the gap, so that the drainage effect is achieved. When the outside rainwater is too much, the rainwater will contact the lower side of the blocking ball 83, the buoyancy of the water will push the blocking ball 83 to float upwards, and besides an upward force of the elastic member 81 to the blocking ball 83, the buoyancy of the water is further provided, so that the blocking ball 83 is closely attached to the inner wall of the water outlet 84, and therefore, the water outside the power distribution cabinet 11 cannot enter the cavity 13 from the lower side.
Further, the mounting block 3 includes a mounting shell 31 and a water storage chamber 33 for storing rainwater, the mounting shell 31 is mounted at the lower end of the power distribution cabinet 11, a water collecting tank 32 matched with the floating member 24 is arranged in the mounting shell 31, the water collecting tank 32 is opened upwards, a first valve 61 is arranged between the water collecting tank 32 and the water storage chamber 33, and rainwater in the water collecting tank 32 enters the water storage chamber 33 through the first valve 61, so that rainwater flowing into the water collecting tank 32 is discharged. The description is as follows: the water storage chamber 33 may be in communication with an external municipal pipe.
Specifically when the rainwater flows into the water collecting tank 32, along with the increase of the rainwater, the floating piece 24 is driven to float upwards, in order to prevent the rainwater from accumulating in the water collecting tank 32 too much, the rainwater in the water collecting tank 32 is discharged into the water storage cavity 33 through the first valve 61, so that the waterproof assembly 2 is lowered through water discharge when the rainfall stops, the waterproof assembly 2 is prevented from being protected on the periphery of the electric device 14, the waterproof assembly 2 is lowered when the rainwater does not exist, and the overhaul work of overhaulers is not influenced.
Further, the mounting block 3 further includes four mutually independent water suction pipes 34, each water suction pipe 34 communicates the external ground with the water storage cavity 33, and a second valve 62 for opening and closing the pipeline is arranged between each water suction pipe 34 and the water storage cavity 33.
Further, the upper end of the installation block 3 is provided with a monitoring device 5 for monitoring rainfall, and the monitoring device 5 is in signal connection with a second valve 62.
When the monitoring device 5 monitors that the rainwater on the ground is excessively accumulated, the water pressure of the accumulated water is continuously increased through the monitoring device 5, the second valve 62 is started at the moment, so that the accumulated water on the ground enters the water storage cavity 33 through the water suction pipe 34, and the accumulated water is further discharged into municipal pipelines, and the effect of preventing the accumulated water on the road surface is realized.
Further, the mounting shell 31 is a cube in this application, and the ground needs to have a pit for mating with the mounting shell 31, and the mounting shell 31 can be a cylinder or other shape for facilitating installation in addition to the cube.
Further, a gasket is provided between the outer periphery of the door panel 12 and the open face of the cavity 13, thereby preventing rainwater from entering the cavity 13 from the open face of the cavity 13.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and additions may be made to those skilled in the art without departing from the method of the present invention, which modifications and additions are also to be considered as within the scope of the present invention.
Claims (5)
1. The self-checking maintenance device for the power distribution cabinet comprises the power distribution cabinet (11) and is characterized by comprising a mounting block (3) embedded in the ground and a waterproof component (2) for preventing the power distribution cabinet (11) from water inflow;
the installation block (3) is arranged at the lower side of the power distribution cabinet (11), a cavity (13) is arranged in the power distribution cabinet (11), one side of the cavity (13) is an open surface, the cavity (13) is rotationally connected with a door plate (12) in the open surface, a gap is formed between the door plate (12) and the power distribution cabinet (11), an electric device (14) is arranged in the cavity (13), and the lower end of the electric device (14) is fixedly connected with the inner wall of the cavity (13);
the waterproof assembly (2) comprises a water blocking shell (21), a water blocking shell (23) and a plurality of floating pieces (24), wherein the water blocking shell (21) and the water blocking shell (23) are respectively positioned inside and outside the power distribution cabinet (11) so as to block gaps between the door plate (12) and the power distribution cabinet (11);
the cross section of each floating piece (24) is U-shaped, one end of each floating piece (24) penetrates through the power distribution cabinet (11) and is fixedly connected with the same water blocking shell (21) in the cavity (13), and the other end of each floating piece (24) is fixedly connected with the same water blocking shell (23) outside the power distribution cabinet (11);
a water collecting tank (32) matched with the floating piece (24) is arranged in the mounting block (3), and the water collecting tank (32) is used for collecting external rainwater;
the lower end of the power distribution cabinet (11) is provided with a plurality of drainage assemblies (8) which are uniformly distributed;
the drainage assembly (8) comprises an elastic piece (81), a shell (82) and a blocking ball (83), a through drainage outlet (84) is formed in the shell (82), the drainage outlet (84) is communicated with the cavity (13) and the water collecting tank (32), the cross-sectional area of one side, close to the cavity (13), of the drainage outlet (84) is smaller than that of one side, close to the water collecting tank (32), of the drainage outlet, the blocking ball (83) is arranged in the drainage outlet (84), the blocking ball (83) is connected with the shell (82) through the elastic piece (81), and the blocking ball (83) is contacted with the inner wall of the drainage outlet (84);
the installation block (3) comprises an installation shell (31) and a water storage cavity (33) for storing rainwater, the installation shell (31) is installed at the lower end of the power distribution cabinet (11), a water collecting tank (32) matched with the floating piece (24) is arranged in the installation shell (31), the water collecting tank (32) is provided with an upward opening, a first valve (61) is arranged between the water collecting tank (32) and the water storage cavity (33), and the rainwater in the water collecting tank (32) enters the water storage cavity (33) through the first valve (61), so that the rainwater flowing into the water collecting tank (32) is discharged;
the installation piece (3) still includes four mutually independent water absorption pipes (34), and every water absorption pipe (34) is linked together external ground and water storage chamber (33), is equipped with between every water absorption pipe (34) and water storage chamber (33) and is used for opening and close second valve (62) of pipeline, and installation piece (3) upper end is equipped with monitoring devices (5) that are used for monitoring rainfall, signal connection between monitoring devices (5) and second valve (62).
2. The self-checking maintenance device of a power distribution cabinet according to claim 1, further comprising a water removing device (4) for removing water from the water accumulated in the power distribution cabinet (11), wherein the water removing device (4) is arranged on the upper side of the cavity (13), the waterproof component (2) comprises a detector (22), the detector (22) is connected with the water removing device (4) through a controller, and the water removing device (4) is started by the controller when the detector (22) detects the water accumulated in the cavity (13).
3. The self-checking and maintaining device for the power distribution cabinet according to claim 2, wherein the water removing device (4) comprises a blade (41), a power piece (42), an output shaft (43) and a drying block (44), the power piece (42) is fixedly connected to the upper end of the cavity (13), the output shaft (43) is fixedly connected to the lower end of the power piece (42), the blade (41) is fixedly connected to the lower end of the output shaft (43), the drying block (44) is positioned on the lower side of the blade (41), the drying block (44) is detachably fixed in the cavity (13), the drying block (44) is positioned between the blade (41) and the electric device (14), and a plurality of air holes are formed in the drying block (44) to allow air to pass through.
4. The self-checking and maintaining device for a power distribution cabinet according to claim 1, wherein when the blocking ball (83) is in contact with the inner wall of the water outlet (84) and is in a line sealing state, the elastic force of the elastic member (81) is equal to the gravity of the blocking ball (83).
5. A self-checking and repairing device for a power distribution cabinet according to claim 4, wherein the density of the blocking balls (83) is smaller than that of water, i.e. the density of the blocking balls (83) is smaller than (1).
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| CN114206049A (en) * | 2021-12-10 | 2022-03-18 | 浙江省通信产业服务有限公司 | Waterproof structure of 5G big data acquisition equipment and use method |
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