CN218919611U - Dustproof and dampproof power distribution cabinet for building construction - Google Patents
Dustproof and dampproof power distribution cabinet for building construction Download PDFInfo
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- CN218919611U CN218919611U CN202222868789.5U CN202222868789U CN218919611U CN 218919611 U CN218919611 U CN 218919611U CN 202222868789 U CN202222868789 U CN 202222868789U CN 218919611 U CN218919611 U CN 218919611U
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Abstract
The utility model discloses a dustproof and moistureproof power distribution cabinet for building construction, which comprises a cabinet body, an air inlet unit, an air filtering unit, an underframe and a plurality of laminates, wherein the cabinet body is provided with a plurality of air inlet units; the air inlet unit is provided with an air inlet in the top, two sides of the bottom are communicated with the air filtering unit, and the air filtering unit is communicated with the cabinet body through an air inlet communication port; the bottom of the cabinet body is provided with a bottom groove, and two sides of the cabinet body are connected with the exhaust unit through an air outlet communication port. According to the utility model, the air inlet unit and the air filtering unit are arranged, so that the air inlet unit, the air filtering unit and the cabinet body are communicated, and air can pass through the air inlet unit and the air filtering unit in sequence and then can enter the cabinet body, so that the influence of dust, moisture and the like on the operation of equipment in the cabinet body is effectively avoided; the air inlet unit and the air filtering unit play a role in multiple protection, and the other air filtering unit still has a protection function when being singly overhauled and replaced. The utility model has the advantages that the corresponding dampproof function is additionally arranged, and the protection function is not lost in the process of replacing the dustproof net.
Description
Technical Field
The utility model relates to the technical field of hydroelectric station dam construction, in particular to a dustproof and moistureproof power distribution cabinet for building construction.
Background
Hydropower stations are usually built in places with large drop heights, so that the hydropower stations have large generated energy; the hydropower station is matched with a dam to be built for water storage.
The hydropower station is provided with a large number of electric facilities in the construction process and after construction, and a large number of electric devices are arranged in the use process and need to be used for an electric power distribution cabinet; the power distribution cabinet (box) is a final-stage device of a power distribution system, and the power distribution cabinet (box) and the illumination power distribution cabinet (box) and the metering cabinet (box) are respectively connected with the power distribution cabinet (box) and the illumination power distribution cabinet (box); the power distribution cabinet is used in the occasions with dispersed load and less loops; they distribute the power of a circuit of the upper-level distribution equipment to nearby loads.
Because the electrical accessories in the electrical automation power distribution cabinet are very numerous, the electrical accessories can generate a lot of heat when running in a large amount, so that the temperature in the power distribution cabinet is quickly raised, and the electrical accessories are usually in an operation state for a long time, which means that the electrical accessories can generate heat for a long time, so that the temperature in the cabinet body is continuously ensured to be in a higher state, and parts or lines are extremely easy to damage in a high-temperature environment for a long time.
For this reason, the switch board can set up the vent that corresponds and ventilate in to the cabinet body generally, through ventilation with the internal and external air of cabinet for the internal heat of cabinet flows into outside air fast, thereby prevents internal ambient temperature of cabinet or accessory temperature too high. In order to prevent dust from entering the cabinet body along with air, a dust screen is usually arranged at the ventilation opening, so that ventilation and dust prevention can be realized.
However, considering the unique operation environment of the hydropower station, a large number of plants are in the environment with high humidity in the construction process or the subsequent use process, and in the flood season or rainy season, a large number of water leaks and ponds exist in a large number of plants, so that the use environment of the power distribution cabinet has high humidity.
The prior patent CN202120840594.2 discloses a dustproof power distribution cabinet, which comprises a cabinet body and a cabinet door, wherein a ventilation window is formed in the side wall of the cabinet body, a dustproof net is arranged on the side wall of the cabinet body, the dustproof net is covered on the ventilation window, an electrostatic rod for adsorbing dust is arranged on one side, far away from the ventilation window, of the dustproof net in a sliding manner, and a dust removing piece for recycling dust is arranged below the electrostatic rod. This application stops getting into the internal dust of cabinet through the dust screen, and the reuse electrostatic wand adsorbs the dust on the dust screen, uses the dust removal piece to retrieve the processing to the dust on the electrostatic wand at last, reduces the dust and enters into the internal and cover corrosion components and parts of cabinet.
However, the power distribution cabinet has the same problems as the power distribution cabinet used at present, namely only the dustproof requirement is considered, the operating environment specificity of the hydropower station is not considered, so that the power distribution cabinet has no dampproof function, water drops are likely to be generated by condensation after moisture enters the power distribution cabinet, and short-circuit faults of equipment are likely to occur;
in addition, the existing power distribution cabinets are simply provided with single-layer dustproof nets which are installed in a buckling mode and the like, a large amount of dust is adhered to the dustproof nets after long-term use, and the dustproof nets are required to be removed for replacement in order to ensure that the power distribution cabinets can keep dustproof effect; and in the process of dust screen replacement, the power distribution cabinet can lose the dustproof effect, so that electric fittings in the power distribution cabinet can be influenced by dust and the like.
Therefore, the currently used power distribution cabinet of the hydropower station has no dampproof function, can not meet the requirements of special working environments such as the hydropower station, can lose the protective function in the dust screen replacement process, and causes the problem that electric fittings are easily affected.
Disclosure of Invention
The utility model aims to provide a dustproof and moistureproof power distribution cabinet for building construction. The utility model has the advantages that the corresponding dampproof function is additionally arranged, and the protection function is not lost in the process of replacing the dustproof net.
The technical scheme of the utility model is as follows: a dustproof and dampproof power distribution cabinet for building construction comprises a cabinet body, an air inlet unit arranged at the top of the cabinet body, air filtering units arranged at the left side and the right side of the cabinet body and connected with the air inlet unit, an underframe arranged at the bottom of the cabinet body and a plurality of detachable laminates arranged in the cabinet body; the top of the air inlet unit is provided with an air inlet communicated with the outside, two sides of the bottom of the air inlet unit are communicated with the top of the outer side of the air filtering unit, and the top of the inner side of the air filtering unit is communicated with the inside of the cabinet body through an air inlet communication port; the bottom of the inner side of the cabinet body is provided with a bottom groove, and two sides of the bottom groove are connected with the exhaust unit through an air outlet communication port.
In the dustproof and dampproof power distribution cabinet for building construction, the air inlet unit comprises a pair of air inlet access doors with the front face capable of being opened and closed, an air inlet grid plate positioned above the cabinet body, an air inlet filter plate positioned below the air inlet grid plate and an insect screen positioned between the air inlet grid plate and the air inlet filter plate; and air inlet channels which are obliquely arranged are distributed on the air inlet grid plate.
In the dustproof and dampproof power distribution cabinet for building construction, the air inlet filter plate comprises a frame-shaped filter screen frame, a filling layer filled in the middle of the filter screen frame and a plurality of rollers arranged at the bottom of the filter screen frame; the filling layer is a cloth bag coated with Cinnamomum camphora particles and drying agent.
In the dustproof and dampproof power distribution cabinet for building construction, the air filtering unit comprises a shell arranged on the side wall of the cabinet body, a plurality of air filtering access doors arranged in front of the shell and capable of being opened and closed, and a plurality of functional boards detachably arranged in the shell; two air passages which are internally and externally separated are arranged in the shell, namely a first-stage air passage which is arranged outside the shell and the top of which is communicated with the air inlet unit, and a second-stage air passage which is arranged inside the shell and the top of which is communicated with the inside of the cabinet body through an air inlet communication port; the bottoms of the primary air passage and the secondary air passage are provided with communicated cavities; a plurality of mounting seat boards for mounting the functional boards are arranged in the shell.
In the dustproof and dampproof power distribution cabinet for building construction, the functional board comprises a first-stage dustproof net arranged at the top of the first-stage air flue, a second-stage dustproof net arranged below the first-stage dustproof net, a dehumidification net arranged below the second-stage dustproof net and a standby screen plate arranged in the second-stage air flue; a third-stage dust screen capable of transversely moving left and right is arranged in the air inlet communication port; the standby screen plate is composed of dustproof materials filled at the lower part and dehumidifying materials filled at the upper part.
In the dustproof and dampproof power distribution cabinet for building construction, the ventilation screen plate is arranged on the laminate, the rear end of the bottom groove is provided with the plurality of threading holes, each threading hole is provided with the elastic sealing layer, and the elastic sealing layer is provided with the cross-shaped opening; the exhaust unit comprises an exhaust fan and a protective net which is arranged on the outer side and corresponds to the air outlet communication port.
In the dustproof and dampproof power distribution cabinet for building construction, a shade detachably connected through a connecting inserted link is arranged above the air inlet unit; the two sides of the air inlet grid plate are provided with stepped convex parts, the top of the cabinet body is provided with stepped concave parts corresponding to the air inlet grid plate, and the air inlet grid plate is correspondingly arranged on the cabinet body; the convex part is provided with a through hole in a penetrating way, and the concave part is provided with a fastening groove corresponding to the connecting inserted rod.
Compared with the prior art, the air inlet unit is arranged on the cabinet body, the air filtering units are arranged on the two sides of the cabinet body, and the air inlet unit, the air filtering units and the cabinet body are communicated, so that the air can pass through the air inlet unit and the air filtering units in sequence and then can be in the cabinet body, the air inlet unit and the air filtering units can sufficiently remove dust, moisture and the like in the air, the air entering the cabinet body can be prevented from containing a large amount of dust and moisture, and the influence of dust, moisture and the like on the operation of equipment in the cabinet body is effectively avoided;
through setting up air inlet unit and straining the gas unit, both can play the effect of removing dust, dehumidifying to gas to a certain extent, play multiple protection's effect, guarantee that air inlet unit or straining the gas unit still have dustproof, damp-proofing protection when overhauling the change of cabinet body.
Therefore, the utility model has the advantages that the corresponding dampproof function is additionally arranged, and the protection function is not lost in the process of replacing the dustproof net.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front cross-sectional view of the present utility model;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a cross-sectional view of the air filter unit;
FIG. 6 is a schematic view of the channel structure of the air filter unit;
fig. 7 is a schematic view of the structure of the intake filter plate.
The marks in the drawings are: 1-cabinet body, 11-cabinet door, 12-cabinet door handle, 13-shade, 131-connection plug rod, 14-chassis, 15-spacing slot, 16-bottom slot, 161-threading hole, 17-laminate, 2-air inlet unit, 21-air inlet access door, 22-air inlet grid plate, 23-insect-proof net, 3-air filtering unit, 31-air filtering access door, 32-first-stage air flue, 33-second-stage air flue, 34-cavity, 35-air inlet communication port, 36-installation seat board, 41-first-stage dust screen, 42-second-stage dust screen, 43-dehumidification screen, 44-standby screen, 45-third-stage dust screen, 5-air inlet filter board, 51-filter screen, 52-filling layer, 53-roller, 6-exhaust unit, 61-air outlet communication port, 62-exhaust fan, 63-protection screen.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
Examples. The dustproof and dampproof power distribution cabinet for building construction is shown in fig. 1, and comprises a cabinet body 1, wherein an air inlet unit 2 is arranged at the top of the cabinet body 1, air filtering units 3 communicated with the air inlet unit 2 are arranged at the left side and the right side, a bottom frame 14 is arranged at the bottom, and three to four detachable laminates 17 are arranged in the cabinet body according to actual needs; the top of the air inlet unit 2 is an air inlet communicated with the outside, two sides of the bottom are communicated with the top of the outer side of the air filtering unit 3, the top of the inner side of the air filtering unit 3 is communicated with the inside of the cabinet body 1 through an air inlet communication port 35, the bottom of the inner side of the cabinet body 1 is provided with a bottom groove 16, and two sides of the bottom groove 16 are connected with the air exhaust unit 6 through an air outlet communication port 61; thus, a gas circulation channel is formed, the gas enters from the top of the gas inlet unit 2 and then enters into the gas filtering units 3 on two sides from two sides of the bottom of the gas inlet unit, then enters into the top of the cabinet body 1 through the gas inlet communication port 35, flows downwards in the cabinet body 1, and is discharged from the gas discharge unit 6 through two ends of the bottom groove 16.
As shown in fig. 2, the air inlet unit 2 is sequentially provided with an air inlet grid plate 22, an insect prevention net 23 and an air inlet filter plate 5 from top to bottom; the air inlet grid plate 22 is distributed with air inlet channels which are obliquely arranged; the front of the air inlet unit 2 is provided with a pair of openable and closable air inlet access doors 21, which are convenient to inspect, overhaul and replace the inside of the air inlet unit after being opened.
As shown in fig. 7, the air intake filter plate 5 comprises a frame-shaped filter screen frame 51, a filling layer 52 filled in the middle of the filter screen frame 51, and a plurality of rollers 53 arranged at the bottom of the filter screen frame 51; the filling layer 52 is a cloth bag coated with Cinnamomum camphora particles and drying agent, and has effects of expelling parasites and dehumidifying to a certain extent, preventing insects from entering; and the air inlet filter plate 5 is conveniently taken out for cleaning and replacement by arranging the roller 53.
As shown in fig. 6, each air filtering unit 3 comprises a shell arranged on the side wall of the cabinet body 1, four air filtering access doors 31 which are arranged in front of the shell and can be opened and closed, and three functional boards which are detachably arranged in the shell;
two air passages which are internally and externally separated are respectively arranged in the shell, namely a first-stage air passage 32 which is arranged outside the shell and the top of which is communicated with the air inlet unit 2, and a second-stage air passage 33 which is arranged inside the shell and the top of which is communicated with the inside of the cabinet body 1 through an air inlet communication port 35; the bottoms of the primary air passage 32 and the secondary air passage 33 are provided with communicated cavities 34; a plurality of mounting seat boards 36 for mounting functional boards are correspondingly arranged in the shell, and the functional boards are clamped on the mounting seat boards 36 in a clamping manner.
As shown in fig. 5, the functional board includes a first dust screen 41 disposed on top of the first air duct 32, a second dust screen 42 disposed below the first dust screen 41, a dehumidifying screen 43 disposed below the second dust screen 42, and a spare screen 44 disposed in the second air duct 33; a three-stage dust screen 45 which can transversely move left and right is arranged in the air inlet communication port 35; the spare screen 44 is composed of a dustproof material filled in the lower part and a dehumidifying material filled in the upper part; through adding equipment with otter board 44 and tertiary dust screen 45, constitute multichannel dustproof, dehumidification's protection line with one-level dust screen 41, second grade dust screen 42 and dehumidification net 43, combine its detachable otter board structure simultaneously, make things convenient for it to change the clearance, ensure that its moxidec part still has dustproof, damp-proofing function when changing the clearance, stop the switch board and be in operation under the unprotected state.
The air filtering unit 3 prolongs the distance of other air filtering units by arranging two vertical air passages which are mutually connected, and can improve the dust removal and dehumidification degree of the dust screen (the first-stage dust screen 41 and the like) and the dehumidification screen 43 on the air, thereby ensuring that the air can be sufficiently subjected to dust removal and dehumidification treatment and ensuring the operation environment in the cabinet body 1.
The four air filtering access doors 31 are respectively corresponding to the primary dust screen 41, the secondary dust screen 42, the dehumidification screen 43 and the standby screen 44, so that the corresponding functional boards can be conveniently taken out for replacement after the four air filtering access doors are opened.
As shown in fig. 2 and 4, the laminate 17 is provided with a ventilation screen board, so that the ventilation and heat dissipation are facilitated, the rear end of the bottom groove 16 is provided with a plurality of threading holes 161, each threading hole 161 is provided with an elastic sealing layer, and the elastic sealing layer is provided with a cross-shaped opening, so that the threading is facilitated; the exhaust unit 6 comprises an exhaust fan 62 and a protective net 63 arranged outside and corresponding to the air outlet communication port 61, the protective net 63 is a simple grid net, and insects are prevented from entering the cabinet body 1 through the air outlet communication port 61;
by providing the exhaust unit 6 with the exhaust fan 62 at the bottom, the exhaust fan 62 is used to accelerate the exhaust of the gas, thereby accelerating the gas flow speed in the cabinet 1 and improving the heat dissipation performance.
As shown in fig. 3, a shade 13 detachably connected through a connecting inserted rod 131 is arranged above the air inlet unit 2, and the shade 13 is utilized to play a certain role in shielding, so that water leakage and the like on the roof are prevented from directly dripping on the cabinet body 1; the two sides of the air inlet grid plate 22 are provided with stepped convex parts, the top of the cabinet body 1 is provided with stepped concave parts corresponding to the air inlet grid plate, and the air inlet grid plate 22 is correspondingly arranged on the cabinet body 1; the convex part is provided with a through hole in a penetrating way, the concave part is provided with a fastening groove corresponding to the connecting inserted rod 131, the top of the connecting inserted rod 131 is rotationally connected with the shade 13, and the bottom of the connecting inserted rod is provided with a threaded rod which is matched with the fastening groove to realize installation.
As shown in fig. 1, a pair of openable and closable cabinet doors 11 are arranged on the front surface of a cabinet body 1, and a cabinet door handle 12 is arranged on each cabinet door; the underframe 14 at the bottom of the cabinet body 1 is made of a moisture-proof material, and meanwhile, the height of the cabinet body 1 can be increased, so that the influence of water accumulated on the ground on the use of the cabinet body 1 is prevented; the bottom of the underframe 14 is provided with the limiting slot 15, so that equipment such as a forklift and a transportation trolley can be conveniently utilized to carry and convey the equipment, and meanwhile, the limiting slot 15 can be matched with a fixed seat on the ground to realize fixed installation.
Working principle:
outside air firstly enters the air inlet unit 2, sequentially passes through the air inlet grid plate 22, the insect-proof net 23 and the air inlet filter plate 5, and then enters the air filtering units 3 on two sides from two sides of the bottom of the air inlet unit 2;
the gas sequentially flows through the first-stage dust screen 41, the second-stage dust screen 42, the dehumidification screen 43, the standby screen 44 and the third-stage dust screen 45 in the gas filtering unit 3, and then enters the top of the cabinet body 1;
the exhaust fan 62 in the exhaust unit 6 discharges the gas in the cabinet body 1 from two sides of the bottom, so that the gas in the cabinet body 1 forms a gas flow flowing from top to bottom, and in the flowing process, the gas takes away the heat generated by equipment in the cabinet body 1, thereby playing a role in cooling; finally, the gas is discharged from the protection net 63 to the outside environment through the exhaust fan 62.
When the maintenance and replacement are needed, the corresponding air inlet filter plate 5, dust screen (first-stage dust screen 41 and the like), dehumidifying screen 43 or standby screen 44 can be taken out for replacement only by opening the respective air inlet access door 21 or air filtering access door 31, and the multi-stage dust screen, dehumidifying screen 43 and standby screen 44 form a multiple protection mechanism, so that when a certain weight loses protection effect, other weights still have protection functions, and the cabinet body 1 is ensured not to thoroughly lose the protection function.
Claims (7)
1. Dustproof dampproofing switch board is used in construction, its characterized in that: the novel multifunctional cabinet comprises a cabinet body (1), an air inlet unit (2) arranged at the top of the cabinet body (1), air filtering units (3) arranged at the left side and the right side of the cabinet body (1) and connected with the air inlet unit (2), an underframe (14) arranged at the bottom of the cabinet body (1) and a plurality of detachable laminates (17) arranged in the cabinet body (1); an air inlet communicated with the outside is formed in the top of the air inlet unit (2), two sides of the bottom of the air inlet unit (2) are communicated with the outer side top of the air filtering unit (3), and the inner side top of the air filtering unit (3) is communicated with the inside of the cabinet body (1) through an air inlet communication port (35); the bottom of the inner side of the cabinet body (1) is provided with a bottom groove (16), and two sides of the bottom groove (16) are connected with the exhaust unit (6) through an air outlet communication port (61).
2. The dustproof and moistureproof power distribution cabinet for building construction according to claim 1, wherein: the air inlet unit (2) comprises a pair of air inlet access doors (21) with the front face capable of being opened and closed, an air inlet grid plate (22) positioned above the cabinet body (1), an air inlet filter plate (5) positioned below the air inlet grid plate (22) and an insect screen (23) positioned between the air inlet grid plate (22) and the air inlet filter plate (5); and air inlet channels which are obliquely arranged are distributed on the air inlet grid plate (22).
3. The dustproof and moistureproof power distribution cabinet for building construction according to claim 2, wherein: the air inlet filter plate (5) comprises a frame-shaped filter screen frame (51), a filling layer (52) filled in the middle of the filter screen frame (51) and a plurality of rollers (53) arranged at the bottom of the filter screen frame (51); the filling layer (52) is a cloth bag coated with Cinnamomum camphora particles and drying agent.
4. The dustproof and moistureproof power distribution cabinet for building construction according to claim 1, wherein: the air filtering unit (3) comprises a shell arranged on the side wall of the cabinet body (1), a plurality of air filtering access doors (31) arranged in front of the shell and capable of being opened and closed, and a plurality of functional boards detachably arranged in the shell; two air passages which are internally and externally separated are respectively arranged in the shell, namely a first-stage air passage (32) which is arranged outside the shell and the top of which is communicated with the air inlet unit (2) and a second-stage air passage (33) which is arranged inside the shell and the top of which is communicated with the inside of the cabinet body (1) through an air inlet communication port (35); the bottoms of the primary air passage (32) and the secondary air passage (33) are provided with communicated cavities (34); a plurality of mounting base plates (36) for mounting the functional boards are arranged in the shell.
5. The dustproof and moistureproof power distribution cabinet for building construction according to claim 4, wherein: the functional board comprises a first-stage dustproof net (41) arranged at the top of the first-stage air channel (32), a second-stage dustproof net (42) arranged below the first-stage dustproof net (41), a dehumidification net (43) arranged below the second-stage dustproof net (42) and a standby screen plate (44) arranged in the second-stage air channel (33); a three-stage dust screen (45) capable of transversely moving left and right is arranged in the air inlet communication port (35); the spare mesh plate (44) is composed of a dustproof material filled in the lower part and a dehumidifying material filled in the upper part.
6. The dustproof and moistureproof power distribution cabinet for building construction according to claim 1, wherein: the breathable net plate is arranged on the laminate (17), the rear end of the bottom groove (16) is provided with a plurality of threading holes (161), each threading hole (161) is provided with an elastic sealing layer, and the elastic sealing layer is provided with a cross-shaped opening; the exhaust unit (6) comprises an exhaust fan (62) and a protective net (63) which is arranged outside and corresponds to the air outlet communication port (61).
7. The dustproof and moistureproof power distribution cabinet for building construction according to claim 2, wherein: a shade (13) detachably connected through a connecting inserted bar (131) is arranged above the air inlet unit (2); the two sides of the air inlet grid plate (22) are provided with stepped convex parts, the top of the cabinet body (1) is provided with stepped concave parts corresponding to the air inlet grid plate, and the air inlet grid plate (22) is correspondingly arranged on the cabinet body (1); the convex part is provided with a through hole in a penetrating way, and the concave part is provided with a fastening groove corresponding to the connecting inserted rod (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222868789.5U CN218919611U (en) | 2022-10-28 | 2022-10-28 | Dustproof and dampproof power distribution cabinet for building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222868789.5U CN218919611U (en) | 2022-10-28 | 2022-10-28 | Dustproof and dampproof power distribution cabinet for building construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218919611U true CN218919611U (en) | 2023-04-25 |
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ID=86016804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222868789.5U Active CN218919611U (en) | 2022-10-28 | 2022-10-28 | Dustproof and dampproof power distribution cabinet for building construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218919611U (en) |
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2022
- 2022-10-28 CN CN202222868789.5U patent/CN218919611U/en active Active
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