CN216958863U

CN216958863U - High-low voltage distribution protection device

Info

Publication number: CN216958863U
Application number: CN202220423059.1U
Authority: CN
Inventors: 卓湘华; 华景锋
Original assignee: Zhuhai Longguang Power Engineering Co ltd
Current assignee: Zhuhai Longguang Power Engineering Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-12
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses a high-low voltage distribution protection device, and belongs to the technical field of power equipment supporting facilities. The high-low voltage distribution protection device comprises a shell, wherein an electrical element is connected to the inner wall of the shell, an L-shaped groove is formed in the outer wall of the shell and comprises a transverse groove and a vertical groove, two embedded protection plates are movably connected in the transverse groove, an opening and closing device matched with the protection plates is arranged on the inner wall of the vertical groove, a groove is further formed in the top of the shell, a limiting mechanism is arranged on the inner wall of the groove and limits the opening and closing device, a cavity is formed in the bottom of the shell, a cleaning device is arranged in the cavity, a cleaning groove matched with the cleaning device is formed in the bottom wall of the shell, and a scraper matched with the cleaning groove is connected to the outer wall of the protection plates; the shell protects the separating gate, and meanwhile, dust and impurities in the shell can be cleaned when the separating gate is overhauled, so that the service life of electrical components is ensured, and the labor intensity of workers is reduced.

Description

High-low voltage distribution protection device

Technical Field

The utility model relates to the technical field of power equipment supporting facilities, in particular to a high-low voltage distribution protection device.

Background

The low-voltage power distribution cabinet is a power distribution device used for distributing, controlling, metering and connecting cables in a power supply system, a general power supply station and a substation use high-voltage switch cabinets, then the low-voltage power distribution cabinet is led out from a transformer step-down low-voltage side, the low-voltage power distribution cabinet is a power distribution panel for each power consumption, a control box and a switch box are equipment of a power distribution device which is integrally assembled by a plurality of switches, circuit breakers, fuses, buttons, indicating lamps, instruments, electric wires and other protection devices to achieve the design function requirements.

In order to rapidly disconnect electric power under emergency, the existing high-low voltage power distribution cabinet is provided with a manual disconnecting switch, the manual disconnecting switch disconnects the electric power through a press button, and a disconnecting switch protection device in the prior art mainly surrounds the disconnecting switch through a cover body arranged around the disconnecting switch and protects the disconnecting switch.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a high-low voltage distribution protection device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a high-low voltage distribution protection device, includes the casing, shells inner wall is connected with electrical components, L type groove has been seted up to shells outer wall, L type groove includes the cross slot and erects the groove, swing joint has the guard plate of two looks gomphosis in the cross slot, it is provided with the headstock gear with guard plate matched with to erect inslot wall, the recess has still been seted up at the top of casing, recess inner wall is provided with stop gear, stop gear carries on spacingly to headstock gear, the cavity has been seted up to the bottom of casing, the inside cleaning device that is provided with of cavity, the diapire of casing has been seted up with cleaning device matched with clearance groove, guard plate outer wall is connected with the scraper blade with clearance groove matched with.

Preferably, the opening and closing device comprises a moving block, the moving block is movably connected in the transverse groove, a pull rod is connected to the outer wall of the moving block, one end, far away from the moving block, of the pull rod penetrates through the protection plate and extends to the outside of the shell, moving rods are movably connected to the two sides of the moving block, and one end, far away from the moving block, of each moving rod is hinged to the protection plate.

Preferably, the casing inner wall is chiseled and is had the spout, the spout communicates with L type groove each other, spout inner wall connection has the telescopic link, the one end that the spout inner wall was kept away from to the telescopic link is connected with the fixed block, fixed block fixed connection is at the top of guard plate, the telescopic link outer wall has cup jointed first elastic element, first elastic element's both ends link to each other with spout inner wall and fixed block outer wall respectively.

Preferably, the limiting mechanism comprises a sliding block, the sliding block is movably connected in the groove, the bottom of the sliding block movably abuts against the moving block, the outer walls of the two sides of the sliding block are both connected with sliding blocks, the two sliding blocks are respectively and slidably connected to the two sides of the inner wall of the groove, and a second elastic element is further connected between the sliding blocks and the inner wall of the groove.

Preferably, the outer wall of the bottom of the sliding block is provided with an inclined plane, the outer wall of the inclined plane is provided with a through hole matched with the pull rod in a chiseled mode, and the top of the sliding block is further connected with a pull ring.

Preferably, cleaning device includes switch and motor, switch fixed connection is at L type inslot, just the movable block offsets with the switch activity, motor fixed connection is in the cavity, the output of motor is connected with the axis of rotation, axis of rotation outer wall connection has first gear, the equal meshing of first gear both sides outer wall is connected with the second gear, the second gear passes through the dwang and rotates to be connected in the cavity, dwang outer wall connection has fan blade assembly, the diapire of casing sets up to straining netted, the cavity inner wall still is connected with battery pack, battery pack links to each other with switch and motor electrical property.

Preferably, the bottom wall of the protection plate is connected with a roller, and the bottom wall of the shell is provided with a track groove matched with the roller in a chiseled mode.

Compared with the prior art, the utility model provides a high-low voltage distribution protection device, which has the following beneficial effects:

1. this high-low voltage distribution protection device through directly pulling the pull rod, makes the guard plate that the pull rod drove both sides keep away from to both sides, has improved electrical components and has gone up the speed that exposes of separating brake, and when protecting electrical components through the guard plate, can also clear up the inside dust impurity of casing when overhauing the separating brake, guarantees electrical components's life, realizes further protection, has reduced staff's intensity of labour, has improved work efficiency.

2. This high-low voltage distribution protection device, at the in-process of pulling the pull rod, the movable block at first offsets with the bottom inclined plane of sliding block, and to the sliding block effort, the sliding block shifts up, and along with to the pull rod continuation effort, the movable block crosses the sliding block, makes the movable block offset with the opposite side of sliding block, carries on spacingly to the movable block, avoids movable block and pull rod to move back under first elastic element's effect, and the guard plate moves back when making to overhaul the separating brake, influences the maintenance progress.

3. This high-low voltage distribution protection device through making the gyro wheel roll at the track inslot, improves the stability when guard plate removes, further realizes that separating brake protection device's quick opening, messenger's separating brake show fast.

Drawings

FIG. 1 is a schematic view of the closed protective panel of the present invention;

FIG. 2 is a schematic view of the open fender of the present invention;

FIG. 3 is a first cross-sectional view of the present invention;

FIG. 4 is a schematic structural diagram of portion A of FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view of the present invention;

FIG. 6 is a schematic cross-sectional view of a cavity according to the present invention;

FIG. 7 is a schematic view of the internal structure of the transverse groove of the present invention.

In the figure: 1. a housing; 101. a transverse groove; 102. a vertical slot; 103. a groove; 104. cleaning the tank; 2. an electrical component; 3. a protection plate; 301. a squeegee; 4. a moving block; 401. a pull rod; 402. a travel bar; 5. a chute; 501. a telescopic rod; 502. a fixed block; 503. a first elastic element; 6. a slider; 601. a slider; 602. a second elastic element; 603. a through hole; 7. a pull ring; 8. a roller; 801. a track groove; 9. a motor; 901. a first gear; 10. a switch; 11. a second gear; 12. a fan blade assembly; 13. a battery pack is provided.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.

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

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Example 1:

referring to fig. 1-7, a high-low voltage distribution protection device, including casing 1, the wall connection has electrical components 2 in casing 1, L type groove has been seted up to casing 1 outer wall, L type groove includes cross slot 101 and perpendicular groove 102, it has two guard plate 3 of looks gomphosis to erect swing joint in groove 102, cross slot 101 inner wall is provided with the headstock gear with 3 matched with of guard plate, recess 103 has still been seted up at casing 1's top, the recess 103 inner wall is provided with stop gear, stop gear is spacing to headstock gear, the cavity has been seted up to casing 1's bottom, the inside cleaning device that is provided with of cavity, casing 1's diapire has seted up and has cleared up cleaning device matched with

groove

104, 3 outer wall connections of guard plate have with cleaning groove 104 matched with scraper blade 301.

The opening and closing device comprises a moving block 4, the moving block 4 is movably connected in the transverse groove 101, a pull rod 401 is connected to the outer wall of the moving block 4, one end, far away from the moving block 4, of the pull rod 401 penetrates through the protection plate 3 and extends to the outside of the shell 1, moving rods 402 are movably connected to the two sides of the moving block 4, and one ends, far away from the moving block 4, of the moving rods 402 are hinged to the protection plate 3.

The inner wall of the shell 1 is provided with a sliding groove 5, the sliding groove 5 is communicated with the L-shaped groove, the inner wall of the sliding groove 5 is connected with a telescopic rod 501, one end, away from the inner wall of the sliding groove 5, of the telescopic rod 501 is connected with a fixed block 502, the fixed block 502 is fixedly connected to the top of the protection plate 3, the outer wall of the telescopic rod 501 is sleeved with a first elastic element 503, and two ends of the first elastic element 503 are respectively connected with the inner wall of the sliding groove 5 and the outer wall of the fixed block 502.

The limiting mechanism comprises a sliding block 6, the sliding block 6 is movably connected in the groove 103, the bottom of the sliding block 6 movably abuts against the moving block 4, the outer walls of two sides of the sliding block 6 are connected with sliding blocks 601, the two sliding blocks 601 are respectively and slidably connected to two sides of the inner wall of the groove 103, and a second elastic element 602 is further connected between the sliding blocks 601 and the inner wall of the groove 103.

The outer wall of the bottom of the sliding block 6 is provided with an inclined plane, the outer wall of the inclined plane is provided with a through hole 603 matched with the pull rod 401 in a chiseled mode, and the top of the sliding block 6 is further connected with a pull ring 7.

Cleaning device includes switch 10 and motor 9, switch 10 fixed connection is in L type inslot, and movable block 4 offsets with the activity of switch 10, motor 9 fixed connection is in the cavity, the output of motor 9 is connected with the axis of rotation, axis of rotation outer wall connection has first gear 901, first gear 901 both sides outer wall all meshes and is connected with second gear 11, second gear 11 rotates through the dwang and connects in the cavity, dwang outer wall connection has fan blade assembly 12, the diapire of casing 1 sets up to straining netted, the cavity inner wall still is connected with battery pack 13, battery pack 13 links to each other with switch 10 and motor 9 electrical property.

The bottom wall of the protection plate 3 is connected with a roller 8, and the bottom wall of the shell 1 is provided with a track groove 801 matched with the roller 8 in a chiseled mode.

When the device is used, the shell 1 is arranged at the outer side of a power distribution cabinet, when the device normally runs, the two protection plates 3 are abutted and closed, when a separating brake on an electrical component 2 needs to be operated, the pull rod 401 is pulled to enable the pull rod 401 to drive the moving block 4 to move in the transverse groove 101, the moving block 4 can drive the protection plates 3 at two sides to be far away from two sides through the moving rod 402, the fixed block 502 slides in the sliding groove 5, the roller 8 rolls in the track groove 801, the stability of the protection plates 3 during moving is improved, in the process of pulling the pull rod 401, the moving block 4 firstly abuts against the bottom inclined plane of the sliding block 6, the acting force is applied to the sliding block 6, the sliding block 6 moves upwards, along with the continuous acting force applied to the pull rod 401, the moving block 4 passes over the sliding block 6 to enable the moving block 4 to abut against the other side of the sliding block 6, the moving block 4 is limited under the action of the second elastic element 602, and the moving block 4 and the pull rod 401 are prevented from moving backwards under the action of the first elastic element 503, when the disconnecting switch on the electrical element 2 is overhauled, the protection plate 3 moves back to influence the overhauling progress, in the overhauling process, one side of a moving block 4 in the limit position abuts against the sliding block 6, the other side of the moving block abuts against a switch 10 in the L-shaped groove, the switch 10 controls a motor 9 to work, an output end of the motor 9 drives a first gear 901 to be meshed with a second gear 11 outside a rotating rod, the rotating rod further drives a fan blade assembly 12 to adsorb dust entering the inside of the shell 1, the dust is adsorbed to the bottom wall of the shell 1, a storage battery assembly 13 can still supply power for the motor 9 after the disconnecting switch is powered off, after the overhauling work is finished, the pull ring 7 is pulled to drive the sliding block 6 to move upwards, the moving block 4 is not limited any more, the moving block 4 drives the pull rod 401 to recover to the original position under the action of the first elastic element 503, and the protection plate 3 is closed again, the scraper 301 scrapes off dust and impurities on the bottom wall of the shell 1 in the process that the protection plate 3 moves back, so that the impurities enter the cleaning groove 104, the phenomenon that the dust enters the electric element 2 to affect the use of the electric element 2 is avoided, and the protection effect is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A high-low voltage distribution protection device comprises a shell (1), wherein an electrical component (2) is connected with the inner wall of the shell (1), it is characterized in that the outer wall of the shell (1) is provided with an L-shaped groove which comprises a transverse groove (101) and a vertical groove (102), two protection plates (3) which are embedded with each other are movably connected in the vertical groove (102), an opening and closing device which is matched with the protection plates (3) is arranged on the inner wall of the transverse groove (101), the top of the shell (1) is also provided with a groove (103), the inner wall of the groove (103) is provided with a limiting mechanism, the limiting mechanism limits the opening and closing device, the bottom of the shell (1) is provided with a cavity, a cleaning device is arranged in the cavity, a cleaning groove (104) matched with the cleaning device is arranged on the bottom wall of the shell (1), the outer wall of the protection plate (3) is connected with a scraper (301) matched with the cleaning groove (104).

2. The high-low voltage distribution protection device according to claim 1, wherein the opening and closing device comprises a moving block (4), the moving block (4) is movably connected in the transverse groove (101), a pull rod (401) is connected to the outer wall of the moving block (4), one end, away from the moving block (4), of the pull rod (401) penetrates through the protection plate (3) and extends towards the outside of the shell (1), moving rods (402) are movably connected to two sides of the moving block (4), and one end, away from the moving block (4), of each moving rod (402) is hinged to the protection plate (3).

3. The high-low voltage distribution protection device according to claim 2, wherein a sliding groove (5) is formed in the inner wall of the shell (1), the sliding groove (5) is communicated with the L-shaped groove, a telescopic rod (501) is connected to the inner wall of the sliding groove (5), a fixed block (502) is connected to one end, away from the inner wall of the sliding groove (5), of the telescopic rod (501), the fixed block (502) is fixedly connected to the top of the protection plate (3), a first elastic element (503) is sleeved on the outer wall of the telescopic rod (501), and two ends of the first elastic element (503) are respectively connected with the inner wall of the sliding groove (5) and the outer wall of the fixed block (502).

4. The high-low voltage distribution protection device according to claim 3, wherein the limiting mechanism comprises a sliding block (6), the sliding block (6) is movably connected in the groove (103), the bottom of the sliding block (6) movably abuts against the moving block (4), the outer walls of two sides of the sliding block (6) are respectively connected with a sliding block (601), the two sliding blocks (601) are respectively and slidably connected with two sides of the inner wall of the groove (103), and a second elastic element (602) is further connected between the sliding block (601) and the inner wall of the groove (103).

5. The high-low voltage distribution protection device according to claim 4, characterized in that the bottom outer wall of the sliding block (6) is provided with a slope, the slope outer wall is provided with a through hole (603) matched with the pull rod (401), and the top of the sliding block (6) is also connected with a pull ring (7).

6. High and low voltage distribution protection device according to claim 2, wherein said cleaning device comprises a switch (10) and a motor (9), said switch (10) being fixedly connected in an L-shaped slot, the moving block (4) is movably abutted against the switch (10), the motor (9) is fixedly connected in the cavity, the output end of the motor (9) is connected with a rotating shaft, the outer wall of the rotating shaft is connected with a first gear (901), the outer walls of two sides of the first gear (901) are respectively connected with a second gear (11) in a meshing way, the second gear (11) is rotatably connected in the cavity through a rotating rod, the outer wall of the rotating rod is connected with a fan blade component (12), the bottom wall of the shell (1) is of a filter net shape, the inner wall of the cavity is also connected with a storage battery component (13), the storage battery assembly (13) is electrically connected with the switch (10) and the motor (9).

7. The high and low voltage distribution protection device according to claim 1, wherein rollers (8) are connected to the bottom wall of the protection plate (3), and a track groove (801) matched with the rollers (8) is chiseled on the bottom wall of the housing (1).