CN216773030U

CN216773030U - Dry-type transformer convenient to control dynamic load

Info

Publication number: CN216773030U
Application number: CN202122844521.3U
Authority: CN
Inventors: 袁诚奕
Original assignee: Jiangsu Dongye Electrical Equipment Co ltd
Current assignee: Jiangsu Dongye Electrical Equipment Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-06-17
Anticipated expiration: 2031-11-19

Abstract

The utility model provides a dry-type transformer convenient for controlling a dynamic load, which comprises a transformer shell, wherein a coil is arranged in the transformer shell, the bottom of the coil is electrically connected with a resistor, a fixing ring is arranged in the transformer shell, and the outer wall of the fixing ring is provided with an external connector. This dry-type transformer convenient to control dynamic load rotates the screw rod and makes the intermittent type between last magnetic core and the lower magnetic core reduce, further makes electromagnetic vibration reduce to reached the effect of avoiding the too big loss that reduces of intermittent type between the magnetic core. The rolling disc is rotated, the direction of the connector can also be rotated at the moment, the point that the connector is connected with the inner connector is further changed, the outer connector connected with the connector can be changed at the moment, the resistance value of the resistor connected into the connector can be further changed, the voltage output at the moment can be changed, and therefore the effect that the dynamic load is convenient to control and the applicability is strong is achieved.

Description

Dry-type transformer convenient to control dynamic load

Technical Field

The utility model relates to the technical field of dry-type transformers, in particular to a dry-type transformer convenient for controlling dynamic loads.

Background

The dry type transformer is a transformer in which an iron core and a winding are not immersed in insulating oil, is suitable for intermittent overload operation or emergency accident overload operation, is in a non-economic operation state due to large load loss and impedance voltage amplification during overload, cannot be in long-time continuous overload operation, and is widely applied to places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like.

The existing dry-type transformer can only change the fixed voltage, cannot change the output voltage, is not convenient for controlling the dynamic load, and has poor applicability, and the magnetic core of the existing dry-type transformer is usually fixed by adopting copper wire winding, and the gap between the magnetic cores may be too large, so that electromagnetic vibration is generated, squeaking and loss increase are further caused, and in order to solve the problems, the dry-type transformer convenient for controlling the dynamic load is provided.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, in order to solve the problems, the utility model provides the following technical scheme: the utility model provides a dry-type transformer convenient to control dynamic load, includes transformer housing, transformer housing's inside is equipped with the coil, the bottom electric connection of coil has resistance, transformer housing's inside is equipped with solid fixed ring, gu fixed ring's outer wall is equipped with the outer joint, gu fixed ring's inside is equipped with the nipple, gu fixed ring's inside is equipped with the connecting block, the outer wall of connecting block is equipped with the connector, the top fixedly connected with rolling disc of connecting block, the outer wall of rolling disc is equipped with the lug, the outside of rolling disc is equipped with the calibrated scale, the inside of calibrated scale is equipped with the stopper, the inside of coil is equipped with the magnetic core, the side fixedly connected with connection piece of going up the magnetic core, the inside threaded connection of connection piece has the screw rod, the inside of coil is equipped with down the magnetic core.

Furthermore, the resistor is electrically connected with the external joint at least at three different positions and at different positions on the outer wall of the fixing ring.

Furthermore, the outer wall of the fixing ring is uniformly provided with at least nine outer joints.

Furthermore, the inner wall of the fixing ring is uniformly provided with at least nine inner joints, and the inner joints are correspondingly communicated with the outer joints.

Furthermore, the outer wall of connecting block is equipped with three connector, just the outer wall and the inner joint sliding connection of connector, the connector is established ties in output circuit.

Furthermore, the front surface of the rotating disc is provided with three support rods, and the support rods correspond to the three connectors.

Furthermore, the left side and the right side of the outer wall of the rotating disc are both provided with a convex block, and the shortest distance from the convex block to the limiting block is smaller than zero.

Further, the left and right sides of lower magnetic core all is equipped with the connection piece, the inner wall of connection piece has the screw thread with the outer wall looks adaptation of screw rod.

Compared with the prior art, the utility model provides the dry-type transformer convenient for controlling the dynamic load, which has the following beneficial effects:

1. this dry-type transformer convenient to control dynamic load uses through the cooperation of screw rod and last magnetic core, lower magnetic core, rotates the screw rod and makes the intermittent type between last magnetic core and the lower magnetic core reduce, further makes electromagnetic vibration reduce to the effect of avoiding the too big reduction loss of intermittent type between the magnetic core has been reached.

2. This dry-type transformer convenient to control dynamic load, through rolling disc and connector, the nipple, the outer joint, the cooperation of resistance is used, the rolling disc rotates, the direction of connector also can rotate this moment, further make the connector change with the point that the nipple is connected, the outer joint of being connected with the connector also can change this moment, further make the resistance of inserting the connector can change, the voltage of output can change this moment, thereby reached the strong effect of the dynamic load suitability of being convenient for control.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the transformer housing structure of the present invention;

FIG. 3 is a front view of the rotary plate structure of the present invention;

FIG. 4 is a schematic front view of an upper core structure according to the present invention;

FIG. 5 is an enlarged view of the structure A of FIG. 1 according to the present invention.

In the figure: 1. a transformer housing; 2. a coil; 3. a resistance; 4. a fixing ring; 5. an outer joint; 6. an inner joint; 7. connecting blocks; 8. a connector; 9. rotating the disc; 10. a bump; 11. a dial scale; 12. a limiting block; 21. an upper magnetic core; 22. connecting sheets; 23. a screw; 24. a lower magnetic core.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a dry transformer convenient for controlling dynamic load includes a transformer housing 1, a coil 2 is disposed inside the transformer housing 1, a resistor 3 is electrically connected to the bottom of the coil 2, a fixing ring 4 is disposed inside the transformer housing 1, an outer wall of the fixing ring 4 is provided with an outer joint 5, the resistor 3 is electrically connected to the outer joint 5 at different positions on the outer wall of the fixing ring 4, at least nine outer joints 5 are uniformly disposed on the outer wall of the fixing ring 4, an inner joint 6 is disposed inside the fixing ring 4, at least nine inner joints 6 are uniformly disposed on the inner wall of the fixing ring 4, the inner joints 6 are correspondingly connected to the outer joints 5, a connecting block 7 is disposed inside the fixing ring 4, a connecting head 8 is disposed on the outer wall of the connecting block 7, three connecting heads 8 are disposed on the outer wall of the connecting block 7, and the outer wall of the connecting head 8 is slidably connected to the inner joints 6, the connector 8 is connected in series in the output circuit, top fixedly connected with rolling disc 9 of connecting block 7, the front of rolling disc 9 is equipped with three spinal branch vaulting poles, and these spinal branch vaulting poles correspond with the position of three connector 8, the outer wall of rolling disc 9 is equipped with lug 10, all be equipped with lug 10 about the outer wall of rolling disc 9, and the lug 10 is less than zero to the shortest distance of stopper 12, the outside of rolling disc 9 is equipped with calibrated scale 11, the inside of calibrated scale 11 is equipped with stopper 12, the inside of coil 2 is equipped with magnetic core 21, the side fixedly connected with connection piece 22 of upper magnetic core 21, the inside threaded connection of connection piece 22 has screw rod 23, the inner wall of connection piece 22 has the screw thread with the outer wall looks adaptation of screw rod 23, the inside of coil 2 is equipped with lower magnetic core 24, the left and right sides of lower magnetic core 24 all is equipped with connection piece 22.

The working principle is that the connecting piece 22 is fixedly connected to the side face of the upper magnetic core 21, the connecting pieces 22 are arranged on the left side and the right side of the lower magnetic core 24, the screw 23 is connected to the inner threads of the connecting pieces 22, and the inner wall of each connecting piece 22 is provided with the threads matched with the outer wall of the corresponding screw 23, so that the interval between the upper magnetic core 21 and the lower magnetic core 24 can be reduced by rotating the corresponding screw 23, the electromagnetic vibration is further reduced, and the effect of avoiding the phenomenon that the interval between the magnetic cores is too large and the loss is reduced is achieved.

The rotating disc 9 is rotated during use, the rotating disc 9 is fixedly connected to the top of the connecting block 7, the connecting block 7 can also rotate at the moment, the three connectors 8 are arranged on the outer wall of the connecting block 7, the direction of the connectors 8 can also rotate at the moment, the three support rods are arranged on the front face of the rotating disc 9 and correspond to the positions of the three connectors 8, and the direction of the connectors 8 can be judged according to the direction of the support rods on the surface of the rotating disc 9 at the moment.

And because the outer wall of the connector 8 is connected with the inner joint 6 in a sliding way, at least nine inner joints 6 are uniformly arranged on the inner wall of the fixed ring 4, therefore, the connection point between the connector 8 and the inner connector 6 is changed, and because the outer wall of the fixing ring 4 is uniformly provided with at least nine outer connectors 5, the inner connector 6 is correspondingly conducted with the outer connectors 5, therefore, the external connector 5 connected to the connector 8 will be changed, and because the resistor 3 has at least three different positions electrically connected to the external connector 5 at different positions on the outer wall of the fixing ring 4, so that the resistance of the resistor 3 connected to the connector 8 will be changed, and because the connector 8 is connected in series in the output circuit, the bottom of the coil 2 is electrically connected with the resistor 3, therefore, the resistance value of the output circuit can be changed at the moment, and the output voltage can be changed at the moment, so that the effect of convenience in controlling the dynamic load and high applicability is achieved.

In summary, in the dry-type transformer for controlling dynamic load, the screw 23 is rotated to reduce the intermittence between the upper magnetic core 21 and the lower magnetic core 24, so as to further reduce the electromagnetic vibration, thereby achieving the effect of avoiding the intermittence between the magnetic cores from being too large to reduce the loss.

Rotate rolling disc 9 during the use, the direction of connector 8 also can rotate this moment, further makes the point that connector 8 is connected with nipple 6 change, and the outer joint 5 of being connected with connector 8 also can change this moment, further makes the resistance of inserting the resistance 3 of connector 8 change, and the voltage of output can change this moment to reached and be convenient for control the effect that dynamic load suitability is strong.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dry-type transformer for facilitating control of dynamic loads, comprising a transformer housing (1), characterized in that: the transformer comprises a transformer shell (1), wherein a coil (2) is arranged inside the transformer shell (1), the bottom of the coil (2) is electrically connected with a resistor (3), a fixing ring (4) is arranged inside the transformer shell (1), an outer joint (5) is arranged on the outer wall of the fixing ring (4), an inner joint (6) is arranged inside the fixing ring (4), a connecting block (7) is arranged inside the fixing ring (4), a connecting head (8) is arranged on the outer wall of the connecting block (7), a rotating disc (9) is fixedly connected to the top of the connecting block (7), a convex block (10) is arranged on the outer wall of the rotating disc (9), a dial (11) is arranged outside the rotating disc (9), a limiting block (12) is arranged inside the dial (11), an upper magnetic core (21) is arranged inside the coil (2), and a connecting sheet (22) is fixedly connected to the side surface of the upper magnetic core (21), the internal thread of connecting piece (22) is connected with screw rod (23), the inside of coil (2) is equipped with down magnetic core (24).

2. A dry-type transformer for facilitating control of a dynamic load as claimed in claim 1, wherein: the resistor (3) is electrically connected with the external joint (5) at different positions of the outer wall of the fixing ring (4) at least at three different positions.

3. A dry-type transformer for facilitating control of a dynamic load as claimed in claim 1, wherein: the outer wall of the fixing ring (4) is uniformly provided with at least nine outer joints (5).

4. A dry-type transformer for facilitating control of a dynamic load as claimed in claim 1, wherein: the inner wall of the fixing ring (4) is uniformly provided with at least nine inner joints (6), and the inner joints (6) are correspondingly communicated with the outer joints (5).

5. A dry-type transformer for facilitating control of a dynamic load as claimed in claim 1, wherein: the outer wall of connecting block (7) is equipped with three connector (8), just the outer wall and nipple (6) sliding connection of connector (8), connector (8) are established ties in output circuit.

6. A dry-type transformer for facilitating control of a dynamic load as claimed in claim 1, wherein: the front surface of the rotating disc (9) is provided with three support rods, and the support rods correspond to the three connectors (8).

7. A dry-type transformer for facilitating control of a dynamic load as claimed in claim 1, wherein: the left side and the right side of the outer wall of the rotating disc (9) are both provided with a convex block (10), and the shortest distance from the convex block (10) to the limiting block (12) is smaller than zero.

8. A dry-type transformer for facilitating control of a dynamic load as claimed in claim 1, wherein: the left and right sides of lower magnetic core (24) all is equipped with connection piece (22), the inner wall of connection piece (22) has the screw thread with the outer wall looks adaptation of screw rod (23).