CN212485091U

CN212485091U - Novel open-circuit protection is prevented to current transformer device

Info

Publication number: CN212485091U
Application number: CN202021777884.9U
Authority: CN
Inventors: 刘宇国
Original assignee: Zhejiang Qianzhou Electric Appliance Co ltd
Current assignee: Zhejiang Qianzhou Electric Appliance Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-02-05
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a novel open-circuit protection device is prevented to current transformer, its structure includes bottom plate, spout, splint, sucking disc and conduction mechanism, through having set up conduction mechanism in the bottom plate, accessible motor drive spiral leaf rotates, and the spiral leaf drives outside air and gets into the cavity, through drying cabinet drying, then transmits to the spout, and transmits to the current transformer that the splint was fixed through the spout to in order to dispel the heat to current transformer, and can reduce the air water content around current transformer; through having set up clamping mechanism in the spout, accessible twist grip drives the lead screw and rotates, and the lead screw passes through the splint removal that the internal thread cover drove both ends, can fix or loosen save time to current transformer fast.

Description

Novel open-circuit protection is prevented to current transformer device

Technical Field

The utility model relates to a current transformer technical field, concretely relates to novel current transformer prevents open circuit protection device.

Background

In an electric power system, a current transformer changes large current into specified small current, is widely applied to current measurement, control and protection of a primary circuit, is an indispensable matching element of an ammeter, a watt-hour meter and a current control system, and when the current transformer normally works, a secondary side is in an approximate short-circuit state, output voltage is very low, and the current transformer can be protected by an open-circuit prevention protection device.

The open-circuit prevention protection device fixes the clamping plates at two ends through the bolts when the current transformer is fixed, so that the current transformer is fixed, more time needs to be consumed when the current transformer is fixed or installed, heat can be generated when the current transformer operates, and the open-circuit prevention protection device is not beneficial to dredging the heat generated by the current transformer.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, present a novel current transformer and prevent open circuit protection device, solved and prevented open circuit protection device and when fixed to current transformer, fix the splint at both ends through the bolt to fix current transformer with this, need consume more time when fixed or the installation to current transformer, and current transformer when the operation, can produce the heat, prevent that open circuit protection device is unfavorable for the problem of dredging the heat that produces current transformer.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a novel current transformer prevents open circuit protection device, including bottom plate, spout, splint, sucking disc and conduction mechanism, the bottom plate middle-end is equipped with the spout, the spout upper end is equipped with splint, splint side fixedly connected with sucking disc, conduction mechanism fixed mounting is in the bottom plate middle-end, conduction mechanism includes cavity, filter screen, drying cabinet, motor, spiral leaf, through-hole and clamping mechanism, the cavity is located the bottom plate middle-end, cavity right-hand member fixedly connected with filter screen, the cavity middle-end is equipped with the drying cabinet, motor and cavity middle-end bolted connection, the coaxial rotation of motor output shaft and spiral leaf, the cavity upper end is located to the through-hole link up mutually with the cavity back end, clamping mechanism rotates with the spout medial surface and is connected.

Furthermore, clamping mechanism includes lead screw, internal thread cover and handle, the lead screw rotates with the spout medial surface to be connected, lead screw and internal thread cover middle-end threaded connection, the lead screw right-hand member rotates with the handle to be connected.

Furthermore, a plurality of through holes are formed in the front end and the rear end of the drying box, and drying agents are arranged in the drying box.

Furthermore, the number of the through holes is three, and the through holes are in a trapezoidal structure.

Furthermore, the right end of the cavity penetrates through the right side face of the bottom plate, and the cavity is of a cylindrical structure.

Furthermore, the threads at the left end and the right end of the screw rod are of reverse structures, and the internal thread sleeves are symmetrically arranged at the left end and the right end of the screw rod.

Further, the internal thread sleeve is of a convex structure, and the top of the internal thread sleeve is connected with the bottom end of the clamping plate.

Furthermore, the sucking disc is made of rubber.

Furthermore, the handle is made of plastic.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) a novel current transformer prevents open circuit protection device, through having set up conduction mechanism in the bottom plate, the accessible motor drives the spiral leaf and rotates, and the spiral leaf drives outside air and gets into the cavity, and is dry through the drying cabinet, then transmits to the spout to transmit to splint fixed current transformer through the spout, so that dispel the heat to current transformer, and can reduce the air water content around the current transformer.

2) A novel current transformer prevents open circuit protection device, through having set up clamping mechanism in the spout, accessible twist grip drives the lead screw and rotates, and the lead screw passes through the splint removal that the internal thread cover drove both ends, can be fast fixed or loosen current transformer, save time.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the connection structure inside the bottom plate of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention;

fig. 5 is a schematic structural view of the clamping mechanism of the present invention.

In the figure: the device comprises a bottom plate-1, a sliding groove-2, a clamping plate-3, a sucker-4, a conducting mechanism-5, a cavity-51, a filter screen-52, a drying box-53, a motor-54, a spiral blade-55, a through hole-56, a clamping mechanism-57, a screw rod-571, an internal thread sleeve-572 and a handle-573.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, the present invention provides a novel open-circuit protection device for a current transformer: including bottom plate 1, spout 2, splint 3, sucking disc 4 and conduction mechanism 5, 1 middle-end of bottom plate is equipped with spout 2, and 2 upper ends of spout are equipped with

splint

3, 3 side fixedly connected with sucking discs 4 of splint, and 5 fixed mounting of conduction mechanism are in the bottom plate 1 middle-end.

Referring to fig. 3 and 4, the utility model provides a novel open-circuit protection device for current transformer, the conducting mechanism 5 includes a cavity 51, a filter screen 52, a drying box 53, a motor 54, a spiral blade 55, a through hole 56 and a clamping mechanism 57, the cavity 51 is arranged at the middle end of the bottom plate 1, the filter screen 52 is fixedly connected with the right end of the cavity 51, the drying box 53 is arranged at the middle end of the cavity 51, the motor 54 is connected with the middle end of the cavity 51 by bolts, the output shaft of the motor 54 rotates coaxially with the spiral blade 55, the through hole 56 is arranged at the upper end of the cavity 51, the through hole 56 is communicated with the back end of the cavity 51, the clamping mechanism 57 is connected with the inner side of the chute 2 in a rotating way, a plurality of through holes are arranged at the front and back ends of the drying box 53, a drying agent is arranged in the drying box 53, the air can be dried, and the cavity 51 is of cylindrical configuration.

Please refer to fig. 5, the utility model provides a novel current transformer prevents open circuit protection device, clamping mechanism 57 includes lead screw 571, internal thread cover 572 and handle 573, lead screw 571 rotates with 2 medial surfaces of spout to be connected, lead screw 571 and the middle-end threaded connection of internal thread cover 572, lead screw 571 right-hand member rotates with handle 573 to be connected, both ends screw thread is the reverse structure about lead screw 571, and internal thread cover 572 is the symmetry and installs both ends about lead screw 571, internal thread cover 572 is convex structure, and the internal thread cover 572 top is connected with splint 3 bottom, can drive splint 3 and remove.

The utility model provides a novel current transformer open-circuit prevention protection device through improvement, and the working principle is as follows;

firstly, when the equipment is used, the equipment is firstly placed in a working area;

secondly, the current transformer is placed on the sliding chute 2 at the top of the bottom plate 1, then the screw 571 is driven to rotate by the rotating handle 573, the screw 571 drives the internal thread sleeve 572 to move, the internal thread sleeve 572 drives the clamping plates 3 at two ends to move, and the sucking disc 4 is enabled to fix the current transformer;

thirdly, when the current transformer operates, the motor 54 can drive the spiral blade 55 to rotate, and the spiral blade 55 drives the external air to enter the cavity 51 and pass through the filter screen 52 and the drying box 53;

fourthly, the air passes through the filter screen 52 and the drying box 53 for drying and filtering, and is transmitted to the through hole 56 and enters the chute 2, and the air is transmitted to the current transformer through the chute 2 and blows to the current transformer to cool the current transformer.

Claims

1. A novel open-circuit prevention protection device for a current transformer comprises a bottom plate (1) and a sucker (4), wherein a sliding groove (2) is formed in the middle end of the bottom plate (1);

the method is characterized in that: still include conduction mechanism (5), conduction mechanism (5) fixed mounting is in bottom plate (1) middle-end, conduction mechanism (5) are including cavity (51), filter screen (52), drying cabinet (53), motor (54), spiral leaf (55), through-hole (56) and clamping mechanism (57), bottom plate (1) interior middle-end is located in cavity (51), cavity (51) right-hand member fixedly connected with filter screen (52), cavity (51) middle-end is equipped with drying cabinet (53), motor (54) and cavity (51) middle-end bolted connection, motor (54) output shaft and spiral leaf (55) coaxial rotation, cavity (51) upper end is located in through-hole (56) to through-hole (56) link up with cavity (51) back end mutually, clamping mechanism (57) are connected with spout (2) medial surface rotation.

2. The novel current transformer open-circuit prevention protection device according to claim 1, characterized in that: the clamping mechanism (57) comprises a screw rod (571), an internal thread sleeve (572) and a handle (573), the screw rod (571) is rotatably connected with the inner side surface of the sliding groove (2), the screw rod (571) is in threaded connection with the middle end of the internal thread sleeve (572), and the right end of the screw rod (571) is rotatably connected with the handle (573).

3. The novel current transformer open-circuit prevention protection device according to claim 1, characterized in that: the upper end of the sliding groove (2) is provided with a clamping plate (3), and the side surface of the clamping plate (3) is fixedly connected with a sucking disc (4).

4. The novel current transformer open-circuit prevention protection device according to claim 1, characterized in that: the front end and the rear end of the drying box (53) are provided with a plurality of through holes, and a drying agent is arranged in the drying box (53).

5. The novel current transformer open-circuit prevention protection device according to claim 1, characterized in that: the number of the through holes (56) is three, and the through holes (56) are in a trapezoidal structure.

6. The novel current transformer open-circuit prevention protection device according to claim 1, characterized in that: the right end of the cavity (51) penetrates through the right side face of the bottom plate (1), and the cavity (51) is of a cylindrical structure.

7. The novel current transformer open-circuit prevention protection device according to claim 2, characterized in that: the threads at the left end and the right end of the screw rod (571) are of a reverse structure, and the internal thread sleeves (572) are symmetrically arranged at the left end and the right end of the screw rod (571).

8. The novel current transformer open-circuit prevention protection device according to claim 2, characterized in that: the internal thread sleeve (572) is of a convex structure, and the top of the internal thread sleeve (572) is connected with the bottom end of the clamping plate (3).