CN216054287U - Overcurrent protection device of energy storage converter - Google Patents

Abstract

The application relates to an over-current protection device of an energy storage converter, which comprises a device body, wherein a wrapping post is detachably mounted on the device body and comprises a fixed cylinder and a movable cylinder, the movable cylinder coaxially rotates to be arranged at one end of the fixed cylinder, a fixing device used for fixing one end of a coil is arranged on the fixed cylinder, a wire ring used for allowing the coil to pass is arranged on the movable cylinder, and a limiting device used for limiting the rotation of the movable cylinder is arranged on the fixed cylinder. When the staff twines the coil on the wrapping post, pull down the wrapping post from the device body, pass through fixing device with the one end of coil and fix on a fixed cylinder, pass the expansion end of copper line on the wire ring from the activity section of thick bamboo after that to the activity section of thick bamboo of rotating, twine the copper line on fixed cylinder and activity section of thick bamboo outer wall, it is fixed with fixed cylinder and activity section of thick bamboo connection at last, this application has the effect that makes the coil winding convenient, improvement installation effectiveness.

Description

Overcurrent protection device of energy storage converter

Technical Field

The application relates to the field of power protection equipment, in particular to an over-current protection device of an energy storage converter.

Background

The energy storage converter is used as an energy conversion device between a power grid and a storage battery, and is continuously charged and discharged along with the change of electric load at a load end. When the load is suddenly increased or overloaded, an excessive current surge may adversely affect the life of the equipment components.

The patent of grant bulletin No. CN208738823U discloses an overcurrent protection device, which comprises an iron core, first convex body and main coil, the inboard fixedly connected with installation pole of iron core, the first convex body of one side fixedly connected with of iron core, the opposite side fixedly connected with fixed block of iron core, the inside wall of second convex body is seted up flutedly, the spacing rubber block of one end fixedly connected with of iron core is kept away from to the fixed block, the left end radius of spacing rubber block is greater than the right-hand member radius, and spacing rubber block corresponds with the recess, the second convex body has been cup jointed in the activity on the fixed block, the both ends downward sloping of joint slider, the cover that makes the second convex body can be convenient just does not take place to rotate or break away from on the fixed block.

With respect to the related art among the above, there are the following drawbacks: when the coil is wound on the fixed block by a worker, the coil is wound on the same side manually by the worker, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the working personnel to wind the coil on the fixed block, the application provides an over-current protection device of an energy storage converter.

The application provides an overcurrent protection device of energy storage converter adopts following technical scheme:

the over-current protection device of the energy storage converter comprises a device body, wherein a winding post is detachably mounted on the device body and comprises a fixed cylinder and a movable cylinder, the movable cylinder is coaxially rotated and arranged at one end of the fixed cylinder, a fixing device used for fixing one end of a coil is arranged on the fixed cylinder, a wire ring used for allowing the coil to pass is arranged on the movable cylinder, and a limiting device used for limiting the rotation of the movable cylinder is arranged on the fixed cylinder.

Through adopting the above-mentioned technical scheme, the staff is when winding the coil on the wrapping post, pull down the wrapping post from the device body, pass through fixing device with the one end of coil and fix on fixed cylinder, pass the expansion end of copper line on the wire ring on the activity section of thick bamboo after that, and make the copper line pass the wire ring completely, rotate the activity section of thick bamboo after that, rotate the activity section of thick bamboo in-process, can drive the relative fixed section of thick bamboo rotation of copper line through the wire ring, and with the winding of copper line on fixed cylinder and activity section of thick bamboo outer wall, make the coil winding convenient, it is fixed with fixed cylinder and activity section of thick bamboo connection to use stop device at last, make winding coil remain stable, and is convenient to use.

Optionally, the fixing device includes a rotating flap, one end of the rotating flap is hinged to the outer wall of the fixed cylinder, a hinge shaft of the rotating flap is perpendicular to the axis of the fixed cylinder, a fixture block is fixedly arranged at the movable end of the rotating flap, and a clamping groove matched with the fixture block is formed in the outer wall of the fixed cylinder.

Through adopting above-mentioned technical scheme, the staff is when fixing the coil, with the fixed section of thick bamboo of copper line laminating of coil end, rotates the rotation lamella again, makes the rotation lamella compress tightly the copper line to make the fixture block joint who rotates the lamella go into the draw-in groove on the fixed section of thick bamboo, the coil is fixed convenient.

Optionally, the limiting device comprises a bolt, a handle is coaxially and fixedly arranged on the movable barrel, a through hole is formed in the handle along the axial eccentricity of the movable barrel, a screw hole matched with the bolt is formed in the end face, close to the handle, of the fixed barrel, a plurality of screw holes are formed in the screw holes at uniform intervals along the circumferential direction of the fixed barrel, and the bolt penetrates through the through hole and is in threaded connection with the screw holes.

Through adopting above-mentioned technical scheme, rotate at a movable section of thick bamboo and rotate to coil winding completion back, make the perforation on the handle on the movable section of thick bamboo align a screw on the fixed section of thick bamboo, pass the bolt again behind the perforation in screw threaded connection, can restrict the fixed section of thick bamboo and rotate convenient operation in a movable section of thick bamboo.

Optionally, the wire guiding ring includes a fixed flap and a movable flap, the fixed flap is disposed on the movable barrel, the movable flap is hinged to the fixed flap, and an elastic member for driving the fixed flap and the movable flap to form a ring is disposed on a hinge shaft of the movable flap.

Through adopting above-mentioned technical scheme, when penetrating the copper line in the wire ring, rotate the movable lamella on the wire ring, with wire joint income fixed lamella, under the elastic component elastic action, the activity lamella rotates and resets, can make the copper line card go into in the wire ring, saves time-consuming threading operation, improves wire winding efficiency.

Optionally, a sliding groove is formed in the outer wall of the movable barrel along the axial direction of the movable barrel, a sliding block is arranged in the sliding groove in a sliding mode, the wire ring is arranged on the sliding block, and a linkage assembly used for driving the sliding block to slide in the sliding groove in a one-way mode in the rotating process of the movable barrel is arranged in the fixed barrel.

Through adopting above-mentioned technical scheme, rotate a movable section of thick bamboo at the staff, make the wire ring drive the wire winding when on solid fixed cylinder and a movable section of thick bamboo, drive the slider through the linkage subassembly and keep away from solid fixed cylinder removal in the spout to make the wire ring keep away from solid fixed cylinder gradually at the winding in-process, thereby make the copper line can evenly wind on the outer wall of solid fixed cylinder and a movable section of thick bamboo, improve the wire winding volume, convenient to use.

Optionally, the linkage assembly comprises a screw rod, the screw rod is axially arranged along the fixed cylinder, the screw rod is fixedly connected with the sliding block, a threaded hole matched with the screw rod is coaxially arranged on the fixed cylinder, and the screw rod is in threaded connection with the screw rod.

Through adopting above-mentioned technical scheme, rotating a movable section of thick bamboo in-process, the spout drives slider and slider on the fixed screw rod rotate to through threaded connection relation between screw rod and the fixed section of thick bamboo, make the screw rod remove in the screw hole, thereby realize that the wire ring evenly twines the copper line on fixed section of thick bamboo and movable section of thick bamboo, convenient operation.

Optionally, a sliding layer is arranged on the outer wall of the movable cylinder.

By adopting the technical scheme, after the copper wire is wound on the movable cylinder, the movable cylinder is continuously rotated, the movable cylinder and the coil can relatively slide, the friction force between the movable cylinder and the coil can be reduced by the sliding layer, the abrasion of the paint skin on the copper wire is effectively reduced, and the quality reliability of the coil is improved.

Optionally, an anti-slip layer is arranged on the inner wall of the rotating flap.

Through adopting above-mentioned technical scheme, rotate the lamella and rotate and with coil end centre gripping back, the skid resistant course can increase and rotate the friction between lamella and the copper line, further improves the fixed effect to the coil end.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a worker winds a coil on the winding post, the winding post is detached from the device body, one end of the coil is fixed on the fixed cylinder through the fixing device, then the movable end of the copper wire penetrates through the wire ring on the movable cylinder, the movable cylinder is rotated, the copper wire is wound on the outer walls of the fixed cylinder and the movable cylinder, and finally the fixed cylinder and the movable cylinder are connected and fixed, so that the coil is convenient to wind;

2. when a copper wire penetrates into the wire ring, the movable flap on the wire ring is rotated, the wire is clamped into the fixed flap, and the movable flap is rotated and reset under the action of the elastic force of the elastic part, so that the copper wire can be clamped into the wire ring, time-consuming threading operation is omitted, and the wire winding efficiency is improved;

3. rotate a movable section of thick bamboo at the staff, when making the wire ring drive the wire winding on a fixed section of thick bamboo and a movable section of thick bamboo, drive the slider through the linkage subassembly and keep away from a fixed section of thick bamboo and remove in the spout to make the wire ring keep away from a fixed section of thick bamboo gradually at the winding in-process, thereby make the copper line can evenly wind on the outer wall of a fixed section of thick bamboo and a movable section of thick bamboo, improve the amount of winding, convenient to use.

Drawings

Fig. 1 is a schematic view of an overall structure of an overcurrent protection device according to an embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of the winding post according to the embodiment of the present application.

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

Fig. 4 is a schematic plan-sectional structure view of a winding post according to an embodiment of the present application.

Fig. 5 is a partially enlarged schematic view of a portion B in fig. 4.

Description of reference numerals: 1. a device body; 2. a winding post; 21. a fixed cylinder; 22. a movable barrel; 221. a sliding layer; 3. a fixing device; 31. rotating the flap; 311. an anti-slip layer; 32. a clamping block; 33. a card slot; 4. a wire loop; 41. a fixed flap; 42. a movable flap; 43. an elastic member; 5. a limiting device; 51. a bolt; 52. a handle; 53. perforating; 54. a screw hole; 6. a slider; 61. a chute; 62. a linkage assembly; 621. a screw; 622. a threaded bore.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses overcurrent protection device of an energy storage converter. Referring to fig. 1 and 2, the overcurrent protection device includes a device body 1, and a winding post 2 for winding a coil is inserted and mounted on the device body 1. The winding post 2 comprises a movable cylinder 22 and a fixed cylinder 21, wherein the movable cylinder 22 and the fixed cylinder 21 are coaxially arranged, and a relative rotation connection relationship is formed between the movable cylinder 22 and the fixed cylinder 21. Be equipped with the fixing device 3 that is used for the fixed coil end of centre gripping on the solid fixed cylinder 21, slide along self length direction on the outer wall of a movable section of thick bamboo 22 and be provided with the wire ring 4 that supplies the copper line of coil to pass, through linkage subassembly 62 on a movable section of thick bamboo 22 and the solid fixed cylinder 21 for wire ring 4 rotates the in-process along with the solid fixed cylinder 21 of movable section of thick bamboo 22 relatively, and solid fixed cylinder 21 is kept away from gradually to wire ring 4, thereby evenly twines the wire on solid fixed cylinder 21 and a movable section of thick bamboo 22. After the coil winding is completed, the fixed cylinder 21 and the movable cylinder 22 are fixed by the limiting device 5.

Referring to fig. 4 and 5, in the present embodiment, the fixing device 3 includes a rotating flap 31, and the rotating flap 31 is hinged on the outer wall of the fixed cylinder 21, and the hinge axis thereof is tangential to the outer wall of the fixed cylinder 21 and perpendicular to the axial direction of the fixed cylinder 21. The movable end of the rotating flap 31 is integrally connected with a wedge-shaped fixture block 32 facing the fixed cylinder 21, a clamping groove 33 is formed in the outer wall of the fixed cylinder 21, and the fixture block 32 is clamped into the clamping groove 33, so that the rotating flap 31 is fixed on the fixed cylinder 21. The movable end of the coil passes through between the rotating valve 31 and the fixed cylinder 21, the inner side wall of the rotating valve 31 close to the fixed cylinder 21 is provided with a layer of anti-slip layer 311, and the anti-slip layer 311 can be made of rubber so as to increase friction force between the copper wire of the coil and the rotating valve 31 and improve the fixing effect on the movable end of the coil.

Referring to fig. 2 and 4, the movable cylinder 22 is hollow, a sliding groove 61 communicated with the inside of the movable cylinder 22 is formed in the outer wall of the movable cylinder 22 along the axial direction, a sliding block 6 is slidably mounted in the sliding groove 61, and the wire guiding ring 4 is arranged at one end of the sliding block 6 extending out of the movable cylinder 22. In this embodiment, the linkage assembly 62 includes a screw 621, the screw 621 is coaxially disposed in the movable cylinder 22, one end of the screw 621 is welded to the slider 6, and the other end faces the fixed cylinder 21. The fixed cylinder 21 is provided with a threaded hole 622 matched with the screw 621 along the axial direction, the threaded hole 622 penetrates through the fixed cylinder 21, and the screw 621 is connected to the fixed cylinder 21 in the threaded hole 622 and extends out from one end of the fixed cylinder 21 far away from the movable cylinder 22. The end of the screw 621 far from the movable cylinder 22 is also coaxially and fixedly connected with a handle 52, and a worker can hold the fixed cylinder 21 with one hand and rotate the handle 52 with the other hand, so as to drive the movable cylinder 22 and the fixed cylinder 21 to rotate relatively and enable the sliding block 6 to move relatively on the movable cylinder 22.

Referring to fig. 2, the limiting device 5 is a bolt 51, the handle 52 is parallel to the axis thereof, a through hole 53 penetrating through the handle 52 is eccentrically arranged, and the bolt 51 is slidably arranged on the through hole 53. One end of the fixed cylinder 21 close to the handle 52 is provided with a screw hole 54 matched with the bolt 51 in parallel with the self axial direction, and the screw holes 54 are uniformly arranged along the circumferential direction of the fixed cylinder 21 at intervals. After the bolt 51 passes through the through hole 53, the bolt is screwed into any one of the screw holes 54, so that the relative rotation between the fixed cylinder 21 and the movable cylinder 22 can be limited.

In order to reduce the friction force when the copper wire is wound on the movable cylinder 22 and the movable cylinder 22 is continuously rotated to make the movable cylinder 22 and the coil on the movable cylinder 22 relatively rotate, the outer wall of the movable cylinder 22 is provided with a sliding layer 221. In this embodiment, the sliding layer 221 may be made of teflon paint, and has a low friction coefficient and a small friction force with the copper wires.

Referring to fig. 2 and 3, in order to rapidly thread the copper wire of the coil into the wire loop 4, the wire loop 4 is composed of a fixed flap 41 and a movable flap 42, the fixed flap 41 is integrally and fixedly connected to the end portion of the sliding block 6 extending out of the sliding groove 61, and the movable flap 42 is hinged to one end of the fixed rod. The movable flap 42 can rotate on the fixed flap 41 in a closed ring shape, and an elastic member 43 for urging the movable flap 42 to rotate to close the wire guide ring 4 is provided at a hinge shaft position of the movable flap 42. In this embodiment, the elastic member 43 is a torsion spring, the torsion spring is sleeved on the hinge shaft of the movable flap 42, one end of the torsion spring is fixed to the movable flap 42, and the other end of the torsion spring is fixed to the fixed flap 41, so that when a coil needs to be installed on the wire ring 4, a worker only needs to rotate the movable flap 42, and the suitable position of the copper wire is clamped into the opening position which is rotated between the movable flap 42 and the fixed flap 41.

The implementation principle of the overcurrent protection device of the energy storage converter in the embodiment of the application is as follows: when a worker winds the coil on the winding post 2, the winding post 2 is detached from the device body 1, one end of the coil is attached to the fixed cylinder 21, the rotating clack 31 is rotated, the clamping block 32 on the rotating clack 31 is clamped with the clamping groove 33 on the fixed cylinder 21, and the end of the coil is fixed. Then, the movable end of the copper wire is passed through the wire loop 4 on the movable cylinder 22, and the copper wire is completely passed through the wire loop 4. Next, the staff holds the fixed cylinder 21 with one hand, and the other hand rotates the handle 52, drives the movable cylinder 22 to rotate, rotates the movable cylinder 22 in-process, can drive the copper line to rotate relative to the fixed cylinder 21 through the wire loop 4 to twine the copper line on the outer wall of the fixed cylinder 21 and the movable cylinder 22, make the coil winding convenient. Finally, the fixed cylinder 21 and the movable cylinder 22 can be fixedly connected by using the bolt 51 to pass through the through hole 53 on the handle 52 and be in threaded connection with the screw hole 54 on the fixed cylinder 21, so that the wound coil is kept stable and the use is convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an overcurrent protection device of energy storage converter, includes device body (1), demountable installation has wrapping post (2) on device body (1), its characterized in that: the winding post (2) comprises a fixed cylinder (21) and a movable cylinder (22), the movable cylinder (22) is coaxially rotated and arranged at one end of the fixed cylinder (21), a fixing device (3) used for fixing one end of a coil is arranged on the fixed cylinder (21), a wire ring (4) used for allowing the coil to pass through is arranged on the movable cylinder (22), and a limiting device (5) used for limiting the rotation of the movable cylinder (22) is arranged on the fixed cylinder (21).

2. An overcurrent protection arrangement for a power converter as claimed in claim 1, wherein: fixing device (3) are including rotating lamella (31), the articulated setting on the outer wall of a fixed section of thick bamboo (21) of one end of rotating lamella (31), the articulated shaft of rotating lamella (31) is perpendicular with the axis of a fixed section of thick bamboo (21), the fixed fixture block (32) that is provided with of movable end of rotating lamella (31), be provided with draw-in groove (33) with fixture block (32) adaptation on the outer wall of a fixed section of thick bamboo (21).

3. An overcurrent protection arrangement for a power converter as claimed in claim 1, wherein: stop device (5) include bolt (51), coaxial fixed being provided with handle (52) on movable section of thick bamboo (22), on handle (52) along movable section of thick bamboo (22) axial off-centre seted up perforation (53), set up screw (54) with bolt (51) adaptation on the terminal surface that fixed section of thick bamboo (21) are close to handle (52), screw (54) are provided with a plurality ofly along fixed section of thick bamboo (21) circumference even interval, bolt (51) wear to establish in perforation (53) and with screw (54) threaded connection.

4. An overcurrent protection arrangement for a power converter as claimed in claim 1, wherein: the wire guiding ring (4) comprises a fixed valve (41) and a movable valve (42), the fixed valve (41) is arranged on the movable cylinder (22), the movable valve (42) is hinged with the fixed valve (41), and an elastic part (43) used for driving the fixed valve (41) and the movable valve (42) to form a ring is arranged on a hinged shaft of the movable valve (42).

5. An overcurrent protection arrangement for a power converter as claimed in claim 4, wherein: the wire guiding device is characterized in that a sliding groove (61) is formed in the outer wall of the movable cylinder (22) along the axial direction of the movable cylinder, a sliding block (6) is arranged in the sliding groove (61) in a sliding mode, the wire guiding ring (4) is arranged on the sliding block (6), and a linkage assembly (62) used for driving the sliding block (6) to slide in the sliding groove (61) in a one-way mode in the rotating process of the movable cylinder (22) is arranged in the fixed cylinder (21).

6. An overcurrent protection arrangement for a power converter as claimed in claim 5, wherein: linkage subassembly (62) include screw rod (621), fixed section of thick bamboo (21) axial setting is followed in screw rod (621), screw rod (621) and slider (6) fixed connection, fixed section of thick bamboo (21) go up coaxial be provided with screw hole (622) of screw rod (621) adaptation, screw rod (621) threaded connection is in screw rod (621).

7. An overcurrent protection arrangement for a power converter as claimed in claim 1, wherein: the outer wall of the movable cylinder (22) is provided with a sliding layer (221).

8. An overcurrent protection arrangement for a power converter as claimed in claim 2, wherein: an anti-slip layer (311) is arranged on the inner wall of the rotating valve (31).

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