CN113764992A - Switch board self-checking maintenance device - Google Patents
Switch board self-checking maintenance device Download PDFInfo
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- CN113764992A CN113764992A CN202110898254.XA CN202110898254A CN113764992A CN 113764992 A CN113764992 A CN 113764992A CN 202110898254 A CN202110898254 A CN 202110898254A CN 113764992 A CN113764992 A CN 113764992A
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- water
- power distribution
- distribution cabinet
- cavity
- self
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- 238000012423 maintenance Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 155
- 238000009826 distribution Methods 0.000 claims abstract description 64
- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims description 51
- 238000003860 storage Methods 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 15
- 238000007689 inspection Methods 0.000 claims description 11
- 238000012806 monitoring device Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 abstract description 6
- 230000008020 evaporation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000007792 addition Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 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
- 238000004880 explosion Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration 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
- 239000000155 melt Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
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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
- H02B1/30—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
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- 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, an installation block buried in the ground and a waterproof assembly for preventing the power distribution cabinet from water inflow, wherein 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, a door panel is rotatably connected in the open surface of the cavity, and a gap is formed between the door panel and the power distribution cabinet. And the evaporation belongs to the heat absorption process, and the electric device can be cooled.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet self-checking maintenance device.
[ background of the invention ]
The switch board is as distribution system's final stage equipment, all need use the switch board in every individual trade, and to some switch boards of using outdoors, because the difference of season and weather, can receive high temperature, storm wind, the influence of extreme weather such as heavy rainfall and snowfall and lead to the damage of switch board, to heavy rainfall weather and snowfall weather, because the rainwater or the water that melts the production of snow enter into in the switch board, and lead to water and electrical part contact to take place the short circuit, the serious explosion that probably takes place. And rainwater is piled up when heavy rainfall, because water is the electric conductor and the switch board electric leakage will take place great danger.
The switch board among the prior art has to meet water and gets into cabinet body inside and unable exhaust risk, and along with getting into the rainwater of cabinet body inside and increasing gradually for the probability of electrical components damage is big more, has great potential safety hazard.
For 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 drainage mechanism of the cabinet body is increased, rainwater entering the cabinet body carelessly is discharged quickly, the probability of contact of the rainwater and electrical components is reduced, and the rainwater is prevented from being accumulated in the cabinet body, so that the risk is reduced.
In view of the above, there is a need in the market for a device that provides multiple protection against rain. And when rainwater infiltration got into in the switch board, can solve the device to the inside ponding problem of maintenance switch board.
[ summary of the invention ]
The invention aims to provide a self-checking maintenance device for a power distribution cabinet, aiming at the defects in the prior art.
In order to achieve the purpose, the invention provides a self-checking maintenance device of a power distribution cabinet, which comprises the power distribution cabinet, an installation block embedded in the ground and a waterproof assembly for preventing the power distribution cabinet from water inflow;
the installation block is arranged on 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 rotatably 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 can be conveniently maintained and checked 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 a gap between the door panel 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 in the same manger plate shell of the inside fixedly connected with of cavity, and the other end of a plurality of floating piece is connected with same shell that blocks water in the outside fixedly connected with of switch board. The mounting block is internally provided with a water collecting tank matched with the floating piece, and the water collecting tank is used for collecting external rainwater.
But preferably, still including being used for carrying out the water trap of dewatering to ponding in the switch board, this water trap sets up at the cavity upside, and waterproof component includes the detector, and the detector passes through the controller with the water trap and connects, and the detector starts the water trap through the controller when detecting that there is ponding in the cavity.
Preferably, the dewatering device comprises blades, a power part, an output shaft and a drying block, the power part is fixedly connected to the upper end of the cavity, the output shaft is in power connection with the lower end of the power part, the blades are fixedly connected to the lower end of the output shaft, the drying block is located on the lower side of the blades and can be detachably fixed in the cavity, the drying block is located between the blades and the electrical appliance, and a plurality of air holes are formed in the drying block and can allow air to pass through.
But 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 with block 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 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 collecting chamber one side, block the ball setting in the outlet, block to connect through the elastic component between ball and the casing, block the ball contact the inner wall at the outlet, and block that the ball part is outstanding outside the outlet, the cross-section is the one side of the trapezoidal one side of going to the bottom in trapezoidal outlet promptly.
Preferably, when the blocking ball is in contact with the inner wall of the drain opening and is in a sealed state, the elastic force of the elastic member is equal to the gravity of the blocking ball.
It is preferable that the density of the blocking ball is less than that of water, i.e., the blocking ball is less than that.
Preferably, the installation piece is including installation shell and the water storage chamber that is used for storing the rainwater, and the installation shell is installed at the distribution cabinet lower extreme, and with float matched with water catch bowl setting in the installation shell, and the water catch bowl is the opening upwards, is provided with first valve between water catch bowl and the water storage chamber, and the rainwater in the water catch bowl enters into the water storage intracavity through first valve to play and discharged the rainwater that flows into in the water catch bowl. It should be noted that: the water storage cavity may be in communication with an external municipal pipeline.
Preferably, the mounting 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 in signal connection with the second valve.
Preferably, the mounting housing is a cube in this application, and the floor surface needs to have a well that fits into the mounting housing, which can be a cylinder or other shape that facilitates installation in addition to the cube.
Preferably, a sealing gasket is arranged between the periphery of the door panel and the opening surface of the cavity, so that rainwater is prevented from entering the cavity from the opening surface of the cavity.
The invention has the advantages that:
1. through the rising of waterproof component during the rainy day, carry out the cladding protection through the electrical part of waterproof component in with the switch board to waterproof component can prevent that the rainwater from permeating to the switch board in through the gap, thereby realizes preventing rainwater and electrical part contact and the condition that leads to the short circuit from taking place.
2. If the rainwater infiltrates the cavity carelessly, detect through the detector that there is ponding in the cavity, the detector passes through the controller and starts water trap, and water trap is through accelerating the air flow, and makes ponding accelerate the evaporation to the evaporation belongs to the heat absorption process, can also cool down to the electrical part.
3. When ponding is more in the cavity, ponding in the cavity is discharged through drainage component to drainage component can prevent that external water from entering into in the cavity.
4. Can monitor external ponding through monitoring devices, can inhale external ponding when external ponding is too much, and the municipal administration pipeline of going into to reduce surface ponding.
[ description of the drawings ]
FIG. 1 is a schematic three-dimensional structure diagram of a power distribution cabinet self-inspection maintenance device;
FIG. 2 is a schematic cross-sectional structural view of a self-checking maintenance device of a power distribution cabinet;
FIG. 3 is a schematic sectional view of a self-checking maintenance device of a power distribution cabinet during protection;
FIG. 4 is an enlarged schematic structural view of a drainage assembly in a self-checking maintenance device of a power distribution cabinet;
FIG. 5 is a schematic perspective view of a drainage assembly in a self-checking maintenance device of a power distribution cabinet;
FIG. 6 is a schematic cross-sectional view of FIG. 5;
fig. 7 is a three-dimensional structure schematic diagram of a waterproof assembly in a power distribution cabinet self-inspection maintenance device.
Reference numerals: 11-a power distribution cabinet, 12-a door panel, 13-a cavity, 14-an electric device, 2-a waterproof component, 21-a water blocking shell, 22-a detector, 23-a water blocking shell, 24-a floating component, 3-an installation block, 31-an installation shell, 32-a water collecting tank, 33-a water storage cavity, 34-a water suction pipe, 4-a water removing device, 41-a blade, 42-a power component, 43-an output shaft, 44-a drying block, 5-a monitoring device, 61-a first valve, 62-a second valve, 8-a water removing component, 81-an elastic component, 82-a shell and 83-a blocking ball.
[ detailed description ] embodiments
The following detailed description of the present invention will be made with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
throughout this description, it is clear that the embodiments described in this specification are only a part of the possible technical solutions of the present invention, and other embodiments that can be obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention should be considered as falling within the protection scope of the present invention.
Technical solutions between the embodiments of the present invention described in the present specification may be combined with each other, but it is necessary for those skilled in the art to realize the technical solutions.
As shown in fig. 1-7, the self-checking maintenance device for the power distribution cabinet of the present invention includes a power distribution cabinet 11, a mounting block 3 buried in the ground, and a waterproof assembly 2 for preventing water from entering the power distribution cabinet 11;
the mounting block 3 is arranged on 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 rotatably connected with a door panel 12 in the open surface, a gap is formed between the door panel 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 can be conveniently maintained and checked 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 a gap between the door panel 12 and the power distribution cabinet 11;
the cross-section of each floating piece 24 all is "U" shape, and the one end of a plurality of floating pieces 24 all passes distribution cabinet 11 and is connected with same manger plate shell 21 in the inside fixedly connected with of cavity 13, and the other end of a plurality of floating pieces 24 is connected with same shell 23 that blocks water in the outside fixedly connected with of distribution cabinet 11. A water collecting groove 32 matched with the floating piece 24 is arranged in the mounting block 3, and the water collecting groove 32 is used for collecting external rainwater.
Under heavy rainfall weather, the rainwater collects in water catch bowl 32 fast, and make the interior float member of water catch bowl 32 come up under the rainwater effect, make water retaining shell 21 remove in cavity 13 through the removal of float member 24, and drive and hinder water shell 23 and remove outside switch board 11, when switch board 11 has ponding to flow in the water catch bowl of installation piece 3 outward, float member 24 is because the buoyancy come-up of water, water retaining shell 21 rises and laminates mutually with the open surface and blocks the gap with water retaining shell 23, prevent that rainwater from permeating gets into cavity 13 contact electrical part 14.
Further, the water removing device 4 is used for removing water accumulated in the power distribution cabinet 11, the water removing device 4 is arranged on the upper side of the cavity 13, the waterproof 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 water is accumulated in the cavity 13;
in heavy rainfall weather, rainwater outside the power distribution cabinet 11 accumulates to generate accumulated water, the accumulated water flows into the mounting block 3, and along with the rising of the water surface due to the increase of the accumulated water, the buoyancy of the water drives the floating piece 24 to float upwards so as to drive the water blocking shell 21 and the water blocking shell 23 to move upwards, so that the water blocking shell 21 and the water blocking shell 23 are in contact fit with the open surface of the cavity 13, the accumulated water is prevented from entering the cavity 13 through the open surface, a containing cavity is formed in the water blocking shell 21, the electric device 14 is positioned in the containing cavity to erect three water blocking lines (the first water blocking shell 23, the second water blocking shell 23, the power distribution cabinet 11 and the door panel 12, and the third water blocking shell 21) for preventing the accumulated water from entering the cavity 13 and then contacting the electric device 14 to cause short circuit of the electric device 14; and in case when having ponding in detecting cavity 13 through detector 22, the controller makes dewatering device 4 start, and carries out the dewatering processing to the ponding in the cavity 13, thereby through accelerating the air flow in the cavity 13 make the ponding accelerate the evaporation, and play the effect of carrying out self-checking dewatering maintenance in the cavity 13, prevent that ponding from causing damage and cavity 13 interior ponding to electric appliance 14 and leading to switch board 11 to rust the damage.
It should be noted that: the water removal device 4 in this application may also be a fan or blower that evaporates the accumulated water by accelerating the air flow in the cavity 13. In addition, ponding evaporation is a endothermic process, still can absorb the heat that the switch board during operation produced, finally outwards discharges by the fan, avoids the steam 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 part 42, an output shaft 43 and a drying block 44, wherein the power part 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 part 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 can be 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 and power spare 42 pass through electric connection, power spare 42 specifically is the motor in this application, the controller other end and detector 22 signal connection, when detector 22 detects there is water in the cavity 13, start power spare 42 through the controller, 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 water evaporation in the cavity 13, and the aqueous vapor absorption in dry block 44 is with the cavity 13, prevent that vapor from condensing once more into the drop of water and attach to in cavity 13, after dry block 44 absorbs full water, can dismantle and change dry block 44.
Further, referring to fig. 5 to 7, the lower end of the power distribution cabinet 11 is provided with a plurality of drainage assemblies 8 which are uniformly distributed, each drainage assembly 8 comprises an elastic member 81, a housing 82 and a blocking ball 83, the housing 82 is a cylinder in the present application, a through drainage port 84 is provided in the housing 82, the drainage port 84 is communicated with the cavity 13 and the water collecting cavity 32, the cross-sectional area of the drainage port 84 close to the cavity 13 is smaller than the cross-sectional area of the water collecting cavity 32, the blocking ball 83 is provided in the drainage port 84, the blocking ball 83 is connected with the housing 82 through the elastic member 81, the blocking ball 83 contacts the inner wall of the drainage port 84, and the blocking ball 83 partially protrudes out of the drainage port, i.e., the side of the trapezoidal bottom of the drainage port with the trapezoidal cross-section.
Further, when the ball 83 is in contact with the inner wall of the drain opening 84 and is sealed, the elastic force of the elastic member 81 is equal to the gravity of the ball 83.
Further, the density of the check ball 83 is less than that of water, i.e., the density of the check ball 83 is 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 member 81 is arranged on the upper side of the blocking ball 83, the protruding part of the blocking ball 83 faces downwards, the elastic member 81 plays a role in eliminating the gravity of the blocking ball 83, and the elastic member 81 can be a spring;
when the drainage assembly 8 works specifically, after rainwater flows into the cavity 13, the rainwater flows downwards due to gravity, and when water flows into the drainage port 84, along with the increase of water, the pressure of the water can press the upper side of the blocking ball 83, the gravity of the water drives the blocking ball 83 to descend, the blocking ball 83 is separated from the inner wall of the drainage port 84 to contact with the inner wall of the drainage port 84 to generate a gap, and the water flows into the water collecting tank of the mounting shell 3 through the gap, so that the drainage effect is achieved. When the external 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, the upward force of the blocking ball 83 is provided by the elastic member 81, and the buoyancy of the water is provided, so that the blocking ball 83 is tightly attached to the inner wall of the water outlet 84, and the water outside the power distribution cabinet 11 cannot enter the cavity 13 from the lower side.
Further, installation piece 3 is including installation shell 31 and the water storage chamber 33 that is used for storing the rainwater, and installation shell 31 is installed at 11 lower extremes of switch board, and the water catch bowl 32 with float 24 matched with sets up in installation shell 31, and the water catch bowl 32 is the opening upwards, is provided with first valve 61 between water catch bowl 32 and the water storage chamber 33, and the rainwater in the water catch bowl 32 enters into the water storage chamber 33 through first valve 61 in to the rainwater that the drainage flowed into in the water catch bowl 32 has been played. It should be noted that: the water storage chamber 33 may be in communication with external municipal piping.
It is specific in water catch bowl 32 that flows in when the rainwater, and then drive float 24 along with the increase of rainwater and float, it is too much in water catch bowl 32 in order to prevent that the rainwater from piling up, discharge the rainwater in water catch bowl 32 through first valve 61 in water storage chamber 33, thereby played when the rainfall stops, make waterproof component 2 descend through the drainage, thereby make waterproof component 2 no longer protect in electrical part 14 periphery, thereby make waterproof component 2 descend when not having the rainwater, can not influence maintainer's maintenance work.
Further, the mounting block 3 further comprises four mutually independent suction pipes 34, each suction pipe 34 communicates the outside ground with the water storage cavity 33, and a second valve 62 for opening and closing the pipeline is arranged between each suction pipe 34 and the water storage cavity 33.
Furthermore, the upper end of the mounting block 3 is provided with a monitoring device 5 for monitoring rainfall, and the monitoring device 5 is in signal connection with the second valve 62.
When the monitoring device 5 monitors that the rainwater on the ground is accumulated excessively, the water pressure of accumulated water is continuously increased through the monitoring device 5, and the second valve 62 is started to be opened 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 a municipal pipeline, so that the effect of preventing water on road areas is realized.
Further, the mounting housing 31 is a cube in this application, the ground needs to have a hole for matching with the mounting housing 31, and the mounting housing 31 can be a cylinder or other shapes convenient for installation besides the cube.
Further, a gasket is provided between the outer periphery of the door panel 12 and the open surface of the cavity 13, thereby preventing rainwater from entering the cavity 13 from the open surface of the cavity 13.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and additions can be made without departing from the method of the present invention, and these modifications and additions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A self-checking maintenance device of a power distribution cabinet comprises the power distribution cabinet (11), and is characterized in that an installation block (3) buried in the ground and a waterproof assembly (2) for preventing the power distribution cabinet (11) from water inflow are arranged;
the mounting block (3) is arranged on 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 rotatably connected with a door panel (12) in the open surface, a gap is formed between the door panel (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 plug a gap between the door panel (12) and the power distribution cabinet (11);
the cross-section of every floating piece (24) all is "U" shape, and the one end of a plurality of floating piece (24) all passes switch board (11) in the same manger plate shell (21) of the inside fixedly connected with of cavity (13), and the other end of a plurality of floating piece (24) is in the same shell (23) that blocks water of the outside fixedly connected with of switch board (11).
2. The self-inspection maintenance device for the power distribution cabinet according to claim 1, characterized in that a water collecting tank (32) matched with the floating member (24) is arranged in the mounting block (3), and the water collecting tank (32) is used for collecting external rainwater.
3. The self-inspection maintenance device of the power distribution cabinet according to claim 1, further comprising a water removal device (4) for removing water from accumulated water in the power distribution cabinet (11), wherein the water removal device (4) is arranged on the upper side of the cavity (13), the waterproof assembly (2) comprises a detector (22), the detector (22) is connected with the water removal device (4) through a controller, and the water removal device (4) is started through the controller when the detector (22) detects that accumulated water exists in the cavity (13).
4. The self-inspection maintenance device of the power distribution cabinet according to claim 3, wherein the water removal device (4) comprises a blade (41), a power part (42), an output shaft (43) and a drying block (44), the power part (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 part (42), the blade (41) is fixedly connected to the lower end of the output shaft (43), the drying block (44) is located on the lower side of the blade (41), the drying block (44) is detachably fixed in the cavity (13), the drying block (44) is located 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.
5. The self-inspection maintenance device for the power distribution cabinet according to claim 3, characterized in that a plurality of uniformly distributed drainage assemblies (8) are arranged at the lower end of the power distribution cabinet (11).
6. The self-inspection maintenance device of the power distribution cabinet according to claim 5, characterized in that the drainage assembly (8) comprises an elastic member (81), a housing (82) and a blocking ball (83), a through drainage port (84) is formed in the housing (82), the drainage port (84) is communicated with the cavity (13) and the water collection chamber (32), the cross-sectional area of the drainage port (84) close to one side of the cavity (13) is smaller than that of the drainage port close to one side of the water collection chamber (32), the blocking ball (83) is arranged in the drainage port (84), the blocking ball (83) is connected with the housing (82) through the elastic member (81), and the blocking ball (83) contacts with the inner wall of the drainage port (84).
7. The self-inspection maintenance device for the power distribution cabinet according to claim 6, wherein when the blocking ball (83) is in contact with the inner wall of the water outlet (84) and is in a sealing state, the elastic force of the elastic member (81) is equal to the gravity of the blocking ball (83).
8. The self-inspection maintenance device for the power distribution cabinet according to claim 7, wherein the density of the blocking ball (83) is less than that of water, namely the density of the blocking ball (83) is less than (1).
9. The self-inspection maintenance device for the power distribution cabinet according to claim 8, wherein the mounting block (3) comprises a mounting shell (31) and a water storage cavity (33) for storing rainwater, the mounting shell (31) is mounted at the lower end of the power distribution cabinet (11), a water collection tank (32) matched with the floating piece (24) is arranged in the mounting shell (31), the water collection tank (32) is opened upwards, a first valve (61) is arranged between the water collection tank (32) and the water storage cavity (33), and rainwater in the water collection tank (32) enters the water storage cavity (33) through the first valve (61), so that the rainwater flowing into the water collection tank (32) is discharged.
10. The self-inspection maintenance device of the power distribution cabinet according to claim 9, wherein the mounting block (3) further comprises four independent water suction pipes (34), each water suction pipe (34) communicates the outside ground with the water storage cavity (33), a second valve (62) for opening and closing the pipeline is arranged between each water suction pipe (34) and the water storage cavity (33), a monitoring device (5) for monitoring rainfall is arranged at the upper end of the mounting block (3), and the monitoring device (5) is in signal connection with the second valve (62).
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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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| CN113764992B (en) | 2024-04-05 |
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