CN217508272U

CN217508272U - Anti-islanding protection device

Info

Publication number: CN217508272U
Application number: CN202221163778.0U
Authority: CN
Inventors: 陈仁义
Original assignee: Hangzhou Guorui Intelligent Equipment Co ltd
Current assignee: Hangzhou Guorui Intelligent Equipment Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-27
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a prevent island protection device, including preventing island protection device body and fixing base, prevent that island protection device body is located the left side of fixing base, the mounting groove has been seted up on the right side wall of fixing base, prevents that fixed mounting has the mount pad on the left side outer wall of island protection device body, and mount pad slidable mounting is in the mounting groove, and the draw-in groove has all been seted up to the top and the bottom of mount pad, is provided with on the fixing base and clamps the mechanism. The utility model relates to a rationally, the practicality is good, is convenient for install fast fixedly and dismantle fast preventing island protection device body, the simple operation, labour saving and time saving, it is efficient to the dismouting of preventing island protection device body, can carry out quick effectual heat dissipation cooling to preventing island protection device body inside moreover, avoids its internally mounted's electrical component to receive high temperature and damage, and then can guarantee to prevent island protection device body steady operation.

Description

Anti-islanding protection device

Technical Field

The utility model relates to a prevent island protection technical field specifically is a prevent island protection device.

Background

The anti-islanding protection device is mainly used for preventing an islanding effect from occurring in a power grid, an islanding is an electrical phenomenon, a part of the power grid and a main power grid are disconnected, the part of the power grid is completely supplied with power by a photovoltaic system, and the safety and the power supply quality of public and maintenance personnel of a power company are damaged due to the islanding, so that the anti-islanding device is necessarily equipped in a photovoltaic power station, when the islanding phenomenon occurs, a grid-connected point can be quickly cut off, the station is quickly separated from the power grid side, the life safety of the whole power station and related maintenance personnel is ensured, and the anti-islanding protection device is mainly suitable for small power grid-connected power supply systems of 110KV, 66KV, 35KV, 10KV and low-voltage 380V photovoltaic power stations.

However, the conventional anti-islanding protection device is usually installed and fixed in a distribution cabinet or other suitable positions by using more bolts, and in the processes of disassembling, overhauling, reinstalling and fixing the anti-islanding protection device, more bolts need to be sequentially disassembled or tightened by using special tools such as a wrench and the like to complete the disassembling, assembling and fixing of the anti-islanding protection device, the operation process is complicated, time and labor are wasted, the working efficiency is low, and the anti-islanding protection device is usually only simply provided with heat dissipation holes to cool the interior of the anti-islanding protection device, the heat dissipation effect is not ideal, because electrical elements installed inside the anti-islanding protection device can generate additional heat when the anti-islanding protection device is in operation, the heat can not be dissipated in time easily, and further electrical elements installed inside the anti-islanding protection device are damaged due to high temperature easily, therefore, the anti-islanding protection device is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides a prevent island protection device, it uses more bolt erection to fix usually and perhaps other suitable positions in the distribution cabinet to have solved and prevented island protection device, it is loaded down with trivial details with the fixed operation process of installation to island protection device's dismantlement, waste time and energy, work efficiency is low, and prevent that island protection device is usually only simple sets up the thermovent and dispels the heat cooling to its inside, the radiating effect is unsatisfactory, lead to the heat to in time effluvium easily, and then cause easily and prevent that island protection device internally mounted electrical element receives high temperature and damages, lead to preventing the problem that island protection device can not steady operation.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-islanding protection device, includes anti-islanding protection device body and fixing base, and anti-islanding protection device body is located the left side of fixing base, set up the mounting groove on the right side wall of fixing base, fixed mounting has the mount pad on the left side outer wall of anti-islanding protection device body, and mount pad slidable mounting has all seted up the draw-in groove in the mounting groove in the top and the bottom of mount pad, is provided with on the fixing base and clamps the mechanism, and the left side of mount pad is seted up flutedly, has seted up two inlet ports on the left side inner wall of anti-islanding protection device body, and the mount pad is located between two inlet ports, is provided with heat dissipation mechanism on the anti-islanding protection device body.

Preferably, the clamping mechanism comprises two shaft seats, two lead screws, two movable plates, two handles, two clamp plates and two clamping rods, the two shaft seats are respectively and fixedly arranged at the top and the bottom of the fixed seat, the ends, close to each other, of the two lead screws are respectively and rotatably connected with the corresponding shaft seats, the two movable plates are respectively and threadedly sleeved on the corresponding lead screws, the anti-islanding protection device body is positioned between the two movable plates, the two handles are respectively and fixedly arranged at the ends, far away from each other, of the two lead screws, the two clamp plates are respectively and fixedly arranged at the sides, close to each other, of the two clamp plates, the sides, close to each other, of the two clamp plates are respectively and fixedly connected with the sides, close to each other, of the two movable plates, the inner wall at the top and the inner wall at the bottom of the mounting groove are respectively provided with a sliding hole, one ends of the two clamping rods, which are close to each other, penetrate through the corresponding sliding holes respectively and are arranged in the corresponding clamping grooves in a sliding mode respectively.

Preferably, heat dissipation mechanism includes the pivot, the connecting plate, two reinforcement columns, two heat dissipation fans, torsional spring and drive assembly, set up the round hole that is located between two inlet ports on the left side inner wall of anti-islanding protection device body, the round hole is linked together with the recess, the pivot is passed through the bearing and is rotated and install in the round hole, the both ends of pivot all extend outside the round hole, connecting plate fixed mounting is in the pivot and is located this internal one end of anti-islanding protection device, two reinforcement columns are fixed mounting respectively in the top and the bottom of connecting plate, two heat dissipation fans are fixed mounting respectively in the one end that two reinforcement columns kept away from each other, the one end of torsional spring and the left side fixed connection of connecting plate, the one end that the connecting plate was kept away from to the torsional spring and the left side inner wall fixed connection of preventing the islanding protection device body, the torsional spring cover is established in the pivot.

Preferably, the driving assembly comprises a motor, a sector gear and a spur gear, the motor is fixedly installed on the inner wall of the bottom of the groove, the sector gear is fixedly installed at the output shaft end of the motor, the spur gear is fixedly installed at one end, located in the groove, of the rotating shaft, and the sector gear is meshed with the spur gear.

Preferably, two dust filter nets are fixedly mounted on the outer wall of the left side of the anti-islanding protection device body through screws, and the two dust filter nets are respectively matched with the corresponding air inlet holes.

Preferably, a plurality of air holes are formed in the inner wall of the top and the inner wall of the bottom of the groove at equal intervals.

(III) advantageous effects

The utility model provides a prevent island protection device. The method has the following beneficial effects:

(1) this prevent island protection device through utilizing the connection cooperation that clamps the mechanism, can realize installing fast fixedly and dismantle fast preventing island protection device body, the simple operation, labour saving and time saving is to preventing the installation operation of island protection device body and the efficient of dismantlement operation.

(2) This prevent island protection device through the connection cooperation that utilizes heat dissipation mechanism, can avoid preventing that the inside electrical element of island protection device body receives high temperature and damages to preventing the inside quick effectual heat dissipation cooling of island protection device body, can guarantee to prevent island protection device body steady operation.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the main view of the present invention in a partial cross-sectional structure;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. an anti-islanding protection device body; 2. a fixed seat; 3. mounting grooves; 4. a mounting base; 5. a card slot; 6. a shaft seat; 7. a screw rod; 8. a movable plate; 9. a handle; 10. a splint; 11. a clamping rod; 12. a slide hole; 13. a groove; 14. an air inlet; 15. a rotating shaft; 16. a connecting plate; 17. reinforcing columns; 18. a heat dissipation fan; 19. a torsion spring; 20. a motor; 21. a sector gear; 22. a spur gear; 23. and (4) a dust filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention, and in the description of the present invention, "plurality" means two or more unless specifically defined otherwise.

As shown in fig. 1-3, the utility model provides a technical solution: an anti-islanding protection device comprises an anti-islanding protection device body 1 and a fixed seat 2, wherein the anti-islanding protection device body 1 is positioned on the left side of the fixed seat 2, the right side wall of the fixed seat 2 is provided with a mounting groove 3, the left side outer wall of the anti-islanding protection device body 1 is fixedly provided with a mounting seat 4, the mounting seat 4 is slidably mounted in the mounting groove 3, the top and the bottom of the mounting seat 4 are respectively provided with a clamping groove 5, the fixed seat 2 is provided with a clamping mechanism, the clamping mechanism can realize the quick mounting, fixing and quick dismounting of the anti-islanding protection device body 1, the operation is convenient and rapid, time and labor are saved, the left side of the mounting seat 4 is provided with a groove 13, the left side inner wall of the anti-islanding protection device body 1 is provided with two air inlet holes 14, the mounting seat 4 is positioned between the two air inlet holes 14, and the anti-islanding protection device body 1 is provided with a heat dissipation mechanism, through utilizing heat dissipation mechanism, can avoid preventing that the inside electric elements of island protection device body 1 receives high temperature and damages to preventing that island protection device body 1 is inside to carry out comprehensive effectual heat dissipation cooling.

In this embodiment, the clamping mechanism includes two shaft seats 6, two lead screws 7, two movable plates 8, two handles 9, two clamp plates 10 and two clamping rods 11, the two shaft seats 6 are respectively and fixedly installed at the top and the bottom of the fixed seat 2, the ends of the two lead screws 7 close to each other are respectively and rotatably connected with the corresponding shaft seats 6, the two movable plates 8 are respectively and threadedly sleeved on the corresponding lead screws 7, the anti-islanding protection device body 1 is located between the two movable plates 8, the two handles 9 are respectively and fixedly installed at the ends of the two lead screws 7 away from each other, the two clamp plates 10 are respectively and fixedly installed at the sides of the two movable plates 8 close to each other, the sides of the two clamp plates 10 close to each other are respectively in contact with the top and the bottom of the anti-islanding protection device body 1, the ends of the two clamping rods 11 away from each other are respectively and fixedly connected with the sides of the two movable plates 8 close to each other, all seted up the slide opening 12 on the top inner wall of mounting groove 3 and the bottom inner wall, the one end that two kellies 11 are close to each other runs through corresponding slide opening 12 respectively and respectively slidable mounting in corresponding draw-in groove 5, utilize two fly leafs 8 respectively with the threaded connection cooperation of corresponding lead screw 7, when rotating two lead screws 7, can adjust the interval between two fly leafs 8 respectively, it is fixed to utilize two splint 10 to carry out the centre gripping to preventing island protection device body 1, utilize the joint cooperation of two kellies 11 and two draw-in grooves 5, can fix mount pad 4 in mounting groove 3, further fix the position of preventing island protection device body 1.

In this embodiment, the heat dissipation mechanism includes a rotation shaft 15, a connection plate 16, two reinforcing posts 17, two heat dissipation fans 18, a torsion spring 19 and a driving component, a round hole located between two air inlet holes 14 is formed on the inner wall of the left side of the anti-islanding protection device body 1, the round hole is communicated with the groove 13, the rotation shaft 15 is rotatably installed in the round hole through a bearing, two ends of the rotation shaft 15 extend out of the round hole, the connection plate 16 is fixedly installed at one end of the rotation shaft 15 located in the anti-islanding protection device body 1, the two reinforcing posts 17 are respectively fixedly installed at the top and the bottom of the connection plate 16, the two heat dissipation fans 18 are respectively fixedly installed at one end of the two reinforcing posts 17 away from each other, one end of the torsion spring 19 is fixedly connected with the left side of the connection plate 16, one end of the torsion spring 19 away from the connection plate 16 is fixedly connected with the inner wall of the left side of the anti-islanding protection device body 1, the torsion spring 19 is sleeved on the rotation shaft 15, by utilizing the suction force generated when the two heat dissipation fans 18 operate, the outside air can be sucked from the two air inlet holes 14 into the anti-islanding protection device body 1, and then the air blowing heat dissipation can be performed on the electric elements inside the anti-islanding protection device body 1.

In this embodiment, drive assembly includes motor 20, sector gear 21 and spur gear 22, motor 20 fixed mounting is on the bottom inner wall of recess 13, sector gear 21 fixed mounting is at the output axle head of motor 20, spur gear 22 fixed mounting is in the one end that pivot 15 is located recess 13, sector gear 21 and spur gear 22 meshing, utilize sector gear 21 and the intermittent type nature of spur gear 22 meshing transmission, and the torsional spring effect of cooperation torsional spring 19, steerable two heat dissipation fans 18 use pivot 15 to carry out the reciprocal swing as the center, and then improved the radiating effect.

In this embodiment, have two dust filter nets 23 through screw fixed mounting on the left side outer wall of anti-islanding protection device body 1, two dust filter nets 23 respectively with corresponding inlet port 14 looks adaptation, utilize two dust filter nets 23, can intercept the dust impurity in the outside air and filter, avoid dust impurity to get into inside the anti-islanding protection device body 1 from two inlet ports 14 departments.

In this embodiment, a plurality of bleeder vents have been seted up to impartial interval on the top inner wall of recess 13 and the bottom inner wall, through setting up a plurality of bleeder vents, are convenient for ventilate the heat dissipation to recess 13 inside.

In this embodiment, it is array arrangement to have seted up a plurality of bleeder vents on the inside wall of anti-island protection device body 1, its conventional technical means who belongs to prior art field, so give unnecessary details here, two heat dissipation fans 18 and motor 20 pass through the wire and constitute the return circuit with anti-island protection device body 1 internal power line electric connection, when preventing island protection device body 1 circular telegram operation, two heat dissipation fans 18 and motor 20 are also circular telegram operation, when preventing island protection device body 1 stop operation, two heat dissipation fans 18 and motor 20 also stop operation.

When in use, the fixed seat 2 is fixed or welded on the distribution box cabinet through bolts, when the anti-islanding protection device body 1 needs to be installed, firstly, the installation seat 4 on the left side of the anti-islanding protection device body 1 is inserted into the installation groove 3 and keeps the position of the anti-islanding protection device body 1 fixed, then the two handles 9 are rotated clockwise, the two handles 9 drive the corresponding lead screws 7 to rotate, so that the two movable plates 8 move towards the direction close to each other, the two movable plates 8 respectively drive the clamping plates 10 and the clamping rods 11 installed on the movable plates to move, the two clamping rods 11 respectively slide towards the direction in the corresponding clamping grooves 5, so that the two clamping plates 10 respectively move to the top and the bottom of the anti-islanding protection device body 1 to be in close contact with each other, the two handles 9 stop rotating, at the moment, the ends of the two clamping rods 11 close to each other are also respectively inserted into the corresponding clamping grooves 5, and then through utilizing the centre gripping of two splint 10 to preventing the isolated island protection device body 1, and cooperate two kellies 11 to cooperate with the grafting of corresponding draw-in groove 5 respectively, can be with preventing the firm installation of isolated island protection device body 1 and fix on fixing base 2, and then can realize preventing that isolated island protection device body 1 carries out quick installation and fix, easy operation is convenient, when using preventing the isolated island protection device body 1, through utilizing the suction effect that two cooling fans 18 produced when moving, can inhale the boundary air into preventing the isolated island protection device body 1, make the air blow to the electrical component surface of preventing the internal installation of isolated island protection device body 1, can dispel the heat to preventing the wind-cooling of the inside of isolated island protection device body 1, through utilizing motor 20 to drive the rotation of sector gear 21, make sector gear 21 rotate to take place the meshing transmission with spur gear 22, spur gear 22 drives pivot 15, The connecting plate 16, the two reinforcing columns 17 and the two heat dissipation fans 18 rotate, the torsion spring 19 generates elasticity due to torsional deformation, when the sector gear 21 rotates to be not in meshing transmission with the straight gear 22, under the action of the elasticity generated due to torsional deformation of the torsion spring 19, the rotating shaft 15, the straight gear 22, the connecting plate 16, the two reinforcing columns 17 and the two heat dissipation fans 18 can be controlled to rotate in opposite directions and restore the original positions, then intermittent meshing transmission between the sector gear 21 and the straight gear 22 is utilized, and the torsional elasticity of the torsion spring 19 is matched, the two heat dissipation fans 18 can be controlled to reciprocate and swing around the rotating shaft 15, sucked air can be more comprehensively blown to the surface of an electric element arranged inside the anti-islanding protection device body 1, so that the heat dissipation effect inside the anti-islanding protection device body 1 is improved, and the stable operation of the anti-islanding protection device body 1 is ensured, when the anti-islanding protection device body 1 needs to be disassembled, the two handles 9 are rotated anticlockwise, the two movable plates 8 can be controlled to move towards the directions away from each other, the two movable plates 8 respectively drive the clamping plates 10 and the clamping rods 11 mounted on the two movable plates to move, the two clamping plates 10 are respectively moved to be no longer in contact with the anti-islanding protection device body 1, the two clamping rods 11 are respectively moved out of the corresponding clamping grooves 5, the two handles 9 are stopped to rotate, namely, the fixing of the anti-islanding protection device body 1 is released, the anti-islanding protection device body 1 can be disassembled, and then the anti-islanding protection device body 1 can be rapidly disassembled, the operation is convenient, and meanwhile, the content which is not described in detail in the specification belongs to the prior art known by technical personnel in the field.

To sum up can, should prevent island protection device, be convenient for to prevent that island protection device body 1 carries out quick installation fixed and quick dismantlement, the simple operation, labour saving and time saving is efficient to the dismouting of preventing island protection device body 1, can carry out quick effectual heat dissipation cooling to preventing that island protection device body 1 is inside moreover, avoids the electrical component of its inside installation to receive high temperature and damage, and then can guarantee to prevent island protection device body 1 steady operation.

Claims

1. The utility model provides an anti-islanding protection device, includes anti-islanding protection device body (1) and fixing base (2), anti-islanding protection device body (1) is located the left side of fixing base (2), its characterized in that: the anti-islanding protection device is characterized in that a mounting groove (3) is formed in the right side wall of the fixing seat (2), a mounting seat (4) is fixedly mounted on the outer wall of the left side of the anti-islanding protection device body (1), the mounting seat (4) is slidably mounted in the mounting groove (3), a clamping groove (5) is formed in the top and the bottom of the mounting seat (4), a clamping mechanism is arranged on the fixing seat (2), a groove (13) is formed in the left side of the mounting seat (4), two air inlet holes (14) are formed in the inner wall of the left side of the anti-islanding protection device body (1), the mounting seat (4) is located between the air inlet holes (14), and a heat dissipation mechanism is arranged on the anti-islanding protection device body (1).

2. An anti-islanding protection device according to claim 1, wherein: the clamping mechanism comprises two shaft seats (6), two screw rods (7), two movable plates (8), two handles (9), two clamping plates (10) and two clamping rods (11), wherein the shaft seats (6) are fixedly installed at the top and the bottom of the fixed seat (2) respectively, the two ends, close to each other, of the screw rods (7) are respectively and correspondingly rotatably connected with the shaft seats (6), the two movable plates (8) are respectively and fixedly installed on the corresponding screw rods (7) in a threaded manner, the anti-islanding protection device body (1) is located between the two movable plates (8), the two handles (9) are respectively and fixedly installed at the two ends, far away from each other, of the screw rods (7), the two clamping plates (10) are respectively and fixedly installed at the two sides, close to each other, of the two clamping plates (10) are respectively connected with the top and the bottom of the anti-islanding protection device body (1) Touch, two the one end that kelly (11) kept away from each other respectively with two one side fixed connection that fly leaf (8) are close to each other, sliding hole (12) have all been seted up on the top inner wall of mounting groove (3) and the bottom inner wall, two the one end that kelly (11) are close to each other runs through corresponding respectively sliding hole (12) and respectively slidable mounting are corresponding in draw-in groove (5).

3. An anti-islanding protection device according to claim 1, wherein: the heat dissipation mechanism comprises a rotating shaft (15), a connecting plate (16), two reinforcing columns (17), two heat dissipation fans (18), a torsion spring (19) and a driving assembly, wherein a round hole between two air inlet holes (14) is formed in the inner wall of the left side of the anti-islanding protection device body (1), the round hole is communicated with the groove (13), the rotating shaft (15) is rotatably installed in the round hole through a bearing, two ends of the rotating shaft (15) extend out of the round hole, the connecting plate (16) is fixedly installed at one end of the rotating shaft (15) in the anti-islanding protection device body (1), the two reinforcing columns (17) are respectively and fixedly installed at the top and the bottom of the connecting plate (16), the two heat dissipation fans (18) are respectively and fixedly installed at one ends, far away from each other, of the two reinforcing columns (17), one end of the torsion spring (19) is fixedly connected with the left side of the connecting plate (16), one end of the torsion spring (19) far away from the connecting plate (16) is fixedly connected with the inner wall of the left side of the anti-islanding protection device body (1), and the torsion spring (19) is sleeved on the rotating shaft (15).

4. An anti-islanding protection device according to claim 3, wherein: drive assembly includes motor (20), sector gear (21) and spur gear (22), motor (20) fixed mounting be in on the bottom inner wall of recess (13), sector gear (21) fixed mounting be in the output axle head of motor (20), spur gear (22) fixed mounting be in pivot (15) are located the one end in recess (13), sector gear (21) with spur gear (22) meshing.

5. An anti-islanding protection device according to claim 1, wherein: two dust filter nets (23) are fixedly mounted on the outer wall of the left side of the anti-islanding protection device body (1) through screws, and the two dust filter nets (23) are respectively matched with the corresponding air inlet holes (14).

6. An anti-islanding protection device according to claim 1, wherein: a plurality of air holes are formed in the inner wall of the top part and the inner wall of the bottom part of the groove (13) at equal intervals.