Alternating-current input type high-voltage direct-current remote supply local side device
The problem of water flooding in outdoor heavy rainfall was solved by the lifting and drying mechanism, which achieved waterproof and moisture-proof protection for the equipment and extended its service life.
Patent Information
- Application Number
- CN202422979870.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-04
AI Technical Summary
When existing high-voltage DC remote power supply station equipment is installed outdoors, it is easily flooded during heavy rain, which can cause short circuits and damage. Existing equipment cannot effectively avoid the flooding problem.
An AC input type high voltage DC remote power supply unit was designed, which adopts a lifting mechanism and a drying mechanism. The lifting mechanism detects water accumulation through a water immersion sensor and uses a geared motor to drive the rotating column to raise the central office cabinet. The drying mechanism absorbs air humidity with desiccant to prevent the equipment from getting damp.
This effectively prevents the local equipment from being flooded during heavy rainfall, protects the equipment from moisture corrosion, and extends the service life of the equipment.
Smart Images
Figure CN223583516U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to direct current remote supply technical field especially relates to an alternating current input type high voltage direct current remote supply station terminal device. BACKGROUND
[0002] The high voltage direct current remote supply system includes a station terminal device, a transmission cable and a remote terminal device. The station terminal device is currently designed in a modular manner and includes a monitoring module, a power supply, a communication module and a power unit. The power unit converts 48V power supply into 380V transmission. The structure is arranged in a manner that the front end is a module and the back is a power distribution air switch. The fixing mode adopts an embedded mode.
[0003] After the applicant searches the existing high voltage direct current remote supply station terminal device, the following problems are found. Some existing high voltage direct current remote supply stations are directly installed inside a station terminal cabinet. When the station terminal cabinet is installed outdoors, it is inconvenient to raise the station terminal cabinet to avoid waterlogging in heavy rainfall weather, which can easily cause short circuit and damage to the high voltage direct current remote supply station.
[0004] Therefore, an alternating current input type high voltage direct current remote supply station terminal device is provided. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide an alternating current input type high voltage direct current remote supply station terminal device, which can solve the problem that some existing high voltage direct current remote supply stations are directly installed inside a station terminal cabinet. When the station terminal cabinet is installed outdoors, it is inconvenient to raise the station terminal cabinet to avoid waterlogging in heavy rainfall weather, which can easily cause short circuit and damage to the high voltage direct current remote supply station.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme. An alternating current input type high voltage direct current remote supply station terminal device includes a station terminal cabinet and a station terminal machine. The bottom of the station terminal cabinet is provided with a bottom plate. The rear side of the top of the bottom plate is provided with a lifting mechanism.
[0007] The lifting mechanism includes a speed reducer, a rotating column, a fixed block and a water immersion sensor. The bottom of the output shaft of the speed reducer is fixedly connected with the top of the rotating column. The bottom of the rotating column passes through the fixed block and extends to the outside of the fixed block. The surface of the rotating column is threadedly connected with the inside of the fixed block. The front side of the fixed block is fixedly connected with the rear side of the station terminal cabinet. The top of the water immersion sensor is fixedly connected with the bottom of the station terminal cabinet.
[0008] Preferably, the rear side of the top of the bottom plate is fixedly connected with a support. The bottom of the speed reducer is fixedly connected with the top of the support. The bottom of the output shaft of the speed reducer passes through the support and extends to the outside of the support. The surface of the output shaft of the speed reducer is movably connected with the inside of the support.
[0009] Preferably, the bottom of the rotating column is provided with a bearing, the surface of the rotating column is fixedly connected with the inner wall of the bearing, and the bottom of the outer wall of the bearing is fixedly connected with the top of the bottom plate.
[0010] Preferably, the top of the speed reducer is provided with a rainproof bucket, the bottom of the rainproof bucket is fixedly connected with a fixing column, and the bottom of the fixing column is fixedly connected with the top of the speed reducer.
[0011] Preferably, the inside of the cabinet body is provided with a drying mechanism, the drying mechanism comprises two limiting columns, a drying box and a first gauze, the first gauze is fixedly connected to the inner wall of the drying box, and the rear side of the limiting column is fixedly connected with the front side of the drying box.
[0012] Preferably, the inside of the cabinet body is provided with a limiting frame, the top and the bottom of the limiting frame are inlaid with a second gauze, the drying box is movably inserted into the inside of the limiting frame, and the two sides of the front side of the drying box are fixedly connected with pull rings.
[0013] Preferably, the two sides of the limiting frame are fixedly connected with mounting plates, the top and the bottom of the front side of the mounting plate are provided with screws, the rear side of the screw penetrates through the mounting plate and is in threaded connection with the inside of the cabinet body.
[0014] Preferably, the front side of the fixing block is fixedly connected with an elastic clamp, the limiting column is movably clamped in the inside of the elastic clamp, the two sides of the top of the bottom plate are fixedly connected with baffles, the surface of the baffle is in contact with the surface of the cabinet body, and mounting holes are formed in the four corners of the top of the bottom plate.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1、After the bottom plate is fixed, the water immersion sensor is used for detecting whether water accumulation occurs around the cabinet body, when the water immersion sensor detects that the water level rises, the speed reducer is turned on, so that the cabinet body moves upward, and the cabinet body is prevented from being flooded in heavy rain.
[0017] 2、By adding an external drying agent in the drying box and pushing the drying box into the limiting box, when the cabinet body is opened and air enters the inside, the air passes through the second gauze into the limiting frame, then passes through the first gauze into the inside of the drying box and the external drying agent, the external drying agent can absorb the moisture in the air, keep the inside of the cabinet body dry, and prevent the cabinet and other equipment from being eroded by damp air. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a whole structure diagram of the utility model of the alternating current input type high-voltage direct-current remote supply local terminal device.
[0019] Figure 2 It is the three-dimensional connection schematic view of the local terminal cabinet body and the local terminal machine in the utility model;
[0020] Figure 3 It is the three-dimensional structure schematic view of the bottom of the local terminal cabinet body in the utility model;
[0021] Figure 4 It is the three-dimensional structure schematic view of the limiting frame in the utility model;
[0022] Figure 5 It is the three-dimensional connection schematic view of the drying mechanism in the utility model;
[0023] Figure 6 It is the three-dimensional connection schematic view of the limiting frame and the mounting plate in the utility model;
[0024] Figure 7 It is the three-dimensional structure schematic view of the bottom of the rainproof bucket in the utility model.
[0025] In the drawing, 1, local terminal cabinet body;2, support;3, baffle;4, bottom plate;5, lifting mechanism;501, speed reducer motor;502, rotating column;503, fixed block;504, water immersion sensor;6, local terminal machine;7, drying mechanism;701, limiting column;702, drying box;703, first gauze;8, bearing;9, limiting frame;10, second gauze;11, mounting plate;12, pull ring;13, screw;14, rainproof bucket;15, fixed column;16, mounting hole;17, elastic card. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0027] Please refer to Figures 1-7 The utility model provides technical scheme:
[0028] An alternating current input type high-voltage direct current remote supply local terminal device, including local terminal cabinet body 1 and local terminal machine 6, the bottom of local terminal cabinet body 1 is provided with bottom plate 4, the rear side of the top of bottom plate 4 is provided with lifting mechanism 5;
[0029] The lifting mechanism 5 comprises a reduction motor 501, a rotating column 502, a fixed block 503 and a water immersion sensor 504. The bottom of the output shaft of the reduction motor 501 is fixedly connected with the top of the rotating column 502. The bottom of the rotating column 502 penetrates through the fixed block 503 and extends to the outside of the fixed block 503. The surface of the rotating column 502 is threadedly connected with the inside of the fixed block 503. The front side of the fixed block 503 is fixedly connected with the rear side of the local terminal cabinet body 1. The top of the water immersion sensor 504 is fixedly connected with the bottom of the local terminal cabinet body 1.
[0030] Specifically, as shown in Figure 3 , the rear side of the top of the bottom plate 4 is fixedly connected with a support 2. The bottom of the reduction motor 501 is fixedly connected with the top of the support 2. The bottom of the output shaft of the reduction motor 501 penetrates through the support 2 and extends to the outside of the support 2. The surface of the output shaft of the reduction motor 501 is movably connected with the inside of the support 2.
[0031] Specifically, as shown in Figure 3 , the bottom of the rotating column 502 is provided with a bearing 8. The surface of the rotating column 502 is fixedly connected with the inner wall of the bearing 8. The bottom of the outer wall of the bearing 8 is fixedly connected with the top of the bottom plate 4.
[0032] Specifically, as shown in Figure 1 and Figure 7 , the top of the reduction motor 501 is provided with a rainproof bucket 14. The bottom of the rainproof bucket 14 is fixedly connected with a fixed column 15. The bottom of the fixed column 15 is fixedly connected with the top of the reduction motor 501.
[0033] In this embodiment: after the bottom plate 4 and the local terminal cabinet body 1 and the local terminal machine 6 are installed by using external bolts to penetrate through the mounting holes 16, when the water immersion sensor 504 detects the water level after the heavy rainfall weather causes the water to accumulate, a signal is sent to the external control system. After the reduction motor 501 receives the starting signal, it starts to work, that is, the rotating column 502 rotates. The rotating column 502 is threadedly connected with the inside of the fixed block 503. When the rotating column 502 rotates, the fixed block 503 drives the local terminal cabinet body 1 to move upward, so that the bottom of the local terminal cabinet body 1 is away from the water accumulation area, avoiding the equipment from being damaged by water. The bearing 8 supports the rotating column 502 to rotate stably through the fixed connection between the rotating column 502 and the inner wall of the bearing 8. The rainproof bucket 14 at the top of the reduction motor 501 can prevent rainwater from directly pouring on the reduction motor 501, prolonging the service life of the reduction motor 501.
[0034] Specifically, as shown in Figure 5 , the inside of the local terminal cabinet body 1 is provided with a drying mechanism 7. The drying mechanism 7 comprises two limiting columns 701, a drying box 702 and a first gauze 703. The first gauze 703 is fixedly connected with the inner wall of the drying box 702. The rear side of the limiting column 701 is fixedly connected with the front side of the drying box 702.
[0035] Specifically, as shown in Figure 5 and Figure 6 , the inside of the cabinet body 1 is provided with a limiting frame 9, the top and bottom of the limiting frame 9 are inlaid with a second mesh 10, the drying box 702 is movably inserted into the inside of the limiting frame 9, and the two sides of the front side of the drying box 702 are fixedly connected with pull rings 12.
[0036] Specifically, as shown in Figure 2 and Figure 6 , the two sides of the limiting frame 9 are fixedly connected with mounting plates 11, the top and bottom of the front side of the mounting plate 11 are provided with screws 13, the rear side of the screw 13 passes through the mounting plate 11 and is screwed with the inside of the cabinet body 1.
[0037] Specifically, as shown in Figure 1 , Figure 5 and Figure 6 , the front side of the fixed block 503 is fixedly connected with an elastic card 17, the limiting column 701 is movably clamped in the inside of the elastic card 17, the two sides of the top of the bottom plate 4 are fixedly connected with baffle plates 3, the surface of the baffle plate 3 is in contact with the surface of the cabinet body 1, and mounting holes 16 are formed in the four corners of the top of the bottom plate 4.
[0038] In this embodiment: by pulling the pull ring 12 forward, the drying box 702 is pulled forward to the outside of the limiting frame 9, the external drying agent is poured into the inside of the drying box 702, and then the drying box 702 is reset, so that the limiting column 701 is clamped in the inside of the elastic card 17, the drying box 702 can be limited, when the cabinet body 1 is opened, the air enters the inside, the air passes through the second mesh 10 and enters the limiting frame 9, and then passes through the first mesh 703 and enters the inside of the drying box 702 and the external drying agent, the external drying agent can absorb the moisture in the air, thereby reducing the humidity inside the cabinet body 1, protecting the equipment such as the local terminal machine 6 from the erosion of humid air, the mounting plate 11 and the screw 13 are used to fix the limiting frame 9 in the inside of the cabinet body 1, ensuring the stability of its position, by moving the bottom plate 4 to a stable ground, the external bolt can be used to pass through the mounting hole 16 to conveniently install the bottom plate 4.
[0039] Working principle: by moving the base plate 4 to the stable ground, the installation of the base plate 4 and the local terminal cabinet body 1 and the local terminal machine 6 can be facilitated by using external bolts through the mounting hole 16, the water immersion sensor 504 is installed at the bottom of the local terminal cabinet body 1, which is used to detect whether there is water accumulation around the local terminal cabinet body 1 in heavy rain weather, when the water immersion sensor 504 detects the rising water level, it will send a signal to the external control system, after the speed reducer 501 receives the start signal, it starts to work, its output shaft rotates to drive the rotating column 502 to rotate, since the rotating column 502 and the fixed block 503 are connected by threads, and the fixed block 503 is fixed at the rear side of the local terminal cabinet body 1, the rotating column 502 is installed on the base plate 4 through the bearing 8 to keep stable rotation, so when the rotating column 502 rotates, the fixed block 503 will move upwards along the rotating column 502, thereby driving the local terminal cabinet body 1 to rise as a whole, so that the bottom of the local terminal cabinet body 1 is away from the water accumulation area, avoiding the damage of the equipment caused by waterlogging, avoiding the problem that the existing part of the high-voltage direct-current remote supply local terminal is directly installed in the local terminal cabinet, when the local terminal cabinet is installed outdoors, it is not convenient to raise the local terminal cabinet to avoid waterlogging in heavy rain weather, which is easy to cause short circuit and damage to the high-voltage direct-current remote supply local terminal, through the limiting of the baffle 3 to the local terminal cabinet body 1, the upward movement of the local terminal cabinet body 1 is more stable, the rainproof bucket 14 at the top of the speed reducer 501 can prevent rainwater from directly falling on the speed reducer 501, prolonging the service life of the speed reducer 501, which is stably connected with the speed reducer 501 through the fixed column 15, by pulling forward the hand-held pull ring 12, the drying box 702 is pulled out from the limiting frame 9, the external drying agent can be poured into the drying box 702, then the drying box 702 is inserted into the limiting frame 9, which is installed in the limiting frame 9 in the local terminal cabinet body 1 through the cooperation of the limiting column 701 and the elastic clamp 17, the second gauze screen 10 at the top and bottom of the limiting frame 9 allows air to circulate, when the local terminal cabinet body 1 is opened, the air enters the inside, passes through the second gauze screen 10 into the limiting frame 9, then passes through the first gauze screen 703 into the drying box 702 and the external drying agent, the external drying agent can absorb the moisture in the air, thereby reducing the humidity in the local terminal cabinet body 1, protecting the local terminal machine 6 and other equipment from the erosion of humid air, when the drying agent needs to be replaced, the drying box 702 can be pulled out from the limiting frame 9 through the pull ring 12, which is convenient to operate, the mounting plate 11 and the screw 13 are used to fix the limiting frame 9 in the local terminal cabinet body 1, ensuring the stability of its position, it should be noted that the local terminal machine 6 is a mature technology that has been published, and will not be described here.
[0040] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An AC input type HVDC remote supply station device comprising a station cabinet body (1) and a station machine (6), characterized in that: The bottom of the local terminal cabinet body (1) is provided with a bottom plate (4), and the rear side of the top of the bottom plate (4) is provided with a lifting mechanism (5); The lifting mechanism (5) comprises a speed reducer (501), a rotating column (502), a fixed block (503) and a water immersion sensor (504), the bottom of the output shaft of the speed reducer (501) is fixedly connected with the top of the rotating column (502), the bottom of the rotating column (502) penetrates through the fixed block (503) and extends to the outside of the fixed block (503), the surface of the rotating column (502) is threadedly connected with the inside of the fixed block (503), the front side of the fixed block (503) is fixedly connected with the rear side of the local terminal cabinet body (1), and the top of the water immersion sensor (504) is fixedly connected with the bottom of the local terminal cabinet body (1).
2. The AC input type HVDC remote supply station apparatus according to claim 1, characterized by: The top of the bottom plate (4) is fixedly connected with a support (2), the bottom of the speed reducer (501) is fixedly connected with the top of the support (2), the bottom of the output shaft of the speed reducer (501) penetrates through the support (2) and extends to the outside of the support (2), and the surface of the output shaft of the speed reducer (501) is movably connected with the inside of the support (2).
3. The AC input type HVDC remote supply station apparatus according to claim 1, characterized by: The bottom of the rotating column (502) is provided with a bearing (8), the surface of the rotating column (502) is fixedly connected with the inner wall of the bearing (8), and the bottom of the outer wall of the bearing (8) is fixedly connected with the top of the bottom plate (4).
4. The AC input type HVDC remote supply station apparatus according to claim 1, characterized by: The top of the speed reducer (501) is provided with a rainproof bucket (14), the bottom of the rainproof bucket (14) is fixedly connected with a fixed column (15), and the bottom of the fixed column (15) is fixedly connected with the top of the speed reducer (501).
5. The AC input type HVDC remote supply station apparatus according to claim 1, characterized by: The inside of the local terminal cabinet body (1) is provided with a drying mechanism (7), the drying mechanism (7) comprises two limiting columns (701), a drying box (702) and a first gauze (703), the first gauze (703) is fixedly connected to the inner wall of the drying box (702), and the rear side of the limiting column (701) is fixedly connected with the front side of the drying box (702).
6. An AC input type HVDC remote supply station apparatus according to claim 5, characterized by: The inside of the local terminal cabinet body (1) is provided with a limiting frame (9), the top and the bottom of the limiting frame (9) are inlaid with a second gauze (10), the drying box (702) is movably inserted into the inside of the limiting frame (9), and the two sides of the front side of the drying box (702) are fixedly connected with pull rings (12).
7. The AC input type HVDC remote supply station apparatus according to claim 6, characterized by: The two sides of the limiting frame (9) are fixedly connected with mounting plates (11), the top and the bottom of the front side of the mounting plate (11) are provided with screws (13), the rear side of the screw (13) penetrates through the mounting plate (11) and is screw-connected with the inside of the local terminal cabinet body (1).
8. The AC input type HVDC remote supply station apparatus according to claim 7, characterized by: The front side of the fixed block (503) is fixedly connected with an elastic clamp (17), the limiting column (701) is movably clamped in the inside of the elastic clamp (17), the two sides of the top of the bottom plate (4) are fixedly connected with baffle plates (3), the surface of the baffle plate (3) is in contact with the surface of the local terminal cabinet body (1), and the four corners of the top of the bottom plate (4) are provided with mounting holes (16).