CN221101858U - Current transformer with protection mechanism - Google Patents
Current transformer with protection mechanism Download PDFInfo
- Publication number
- CN221101858U CN221101858U CN202323098040.8U CN202323098040U CN221101858U CN 221101858 U CN221101858 U CN 221101858U CN 202323098040 U CN202323098040 U CN 202323098040U CN 221101858 U CN221101858 U CN 221101858U
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- current transformer
- fixed column
- spring
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- 238000010030 laminating Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of current transformers and discloses a current transformer with a protection mechanism, which is provided with a control component, a wheel disc rotates on the surface of a fixed column, the wheel disc drives a threaded rod to synchronously rotate, a moving block is stressed to slide in a chute in the fixed column, a supporting rod fixed on the surface of the moving block passes through a fixed rod to drive a transverse plate to move downwards, a protection plate slides upwards under the support of a first spring when contacting the surface of a line, the supporting rod fixed on the surface of the protection plate is propped against the tangent plane of the moving rod when moving, the moving rod slides in a vertical plate under the support of a second spring and is clamped into a clamping groove in the fixed rod, and the transverse plate is synchronously immovable under the limit of the movement of the protection plate.
Description
Technical Field
The utility model relates to the technical field of current transformers, in particular to a current transformer with a protection mechanism.
Background
A current transformer is a device for measuring current. It is used to make accurate current measurements by transforming the current to a lower value and passing it to a meter or other electronic device. When overcurrent flows through the main wire (measured current) of the transformer, the generated magnetic field generates induced electromotive force in the iron core. This induced electromotive force further generates a secondary current signal through a fine coil wound around the core.
Current transformers are widely used in various measuring and protection devices in electrical power systems, such as electric energy metering, current protection relays and differential protection devices. The current transformer is also commonly used for current detection and control in an industrial automation system, and the current transformer used before does not have a locking function in the use process, so that the condition that a line shakes or loosens and falls off on the inner side of the device is easy to cause, and the effect of protecting the line cannot be achieved.
According to the current transformer with the locking mechanism (publication number: CN 217881142U), under the cooperation of the connecting frame, the connecting hole, the locking rod, the rotating block and the locking clamp, the current transformer can be extruded and locked according to the line inserted into the inner side of the current transformer, the locking clamp can be adjusted in telescopic position according to the size of the line, the lines with different sizes can be locked, meanwhile, the connecting hole and the locking rod are connected in a threaded manner, so that workers can conveniently adjust the telescopic position of the locking clamp, the structure is simple, the operation is convenient, although the different lines are locked in the manner of manual screwing, the situation that the surface of the line is damaged due to screwing too tightly is very easy to cause certain potential safety hazards, and the current transformer with the protection mechanism is provided for the problem.
Disclosure of utility model
The present utility model is directed to a current transformer with a protection mechanism, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a current transformer with protection machanism, includes current transformer and separate piece, its characterized in that: the surface fixed mounting of current transformer has the fixed column, the surface fixed mounting of fixed column has the locking board, be provided with control assembly in the fixed column, control assembly includes: the threaded rod penetrates through the fixed column and is rotationally connected with the fixed column, the surface of the fixed column is rotationally connected with the wheel disc, and the surface of the wheel disc is fixedly connected with the surface of the threaded rod; the movable block is in sliding connection with the inner wall of the fixed column, the movable block is penetrated by the threaded rod and in threaded connection with the threaded rod, a supporting rod is fixedly arranged on the surface of the movable block, the supporting rod penetrates through the fixed column and is in sliding connection with the fixed column, and a fixed rod is fixedly arranged on the inner wall of the fixed column; the surface of the transverse plate is fixedly connected with the surface of the supporting rod, the surface of the transverse plate is fixedly connected with one end of the first spring, and the other end of the first spring is fixedly arranged on the surface of the protective plate; the limiting piece is arranged on the surface of the transverse plate, so that the situation that the circuit surface is damaged due to over-tightening is avoided, and the effect of protecting the circuit is achieved.
Preferably, the surface of the fixing rod is provided with a clamping groove, and the clamping groove can limit the movement of the supporting rod.
Preferably, rectangular through holes are formed in the surfaces of the fixing columns, and the stable movement of the supporting rods can be guaranteed through the rectangular through holes.
Preferably, the shape of the support rod is U-shaped, and the U-shaped support rod can move through the fixed rod.
Preferably, the limiting member includes: the support block is fixedly arranged on the surface of the protection plate, the support block is attached to the surface of the vertical plate, the vertical plate is fixedly arranged on the surface of the transverse plate, and when the support block moves, the support block can move on the surface of the vertical plate.
Preferably, the vertical plate is penetrated by the moving rod and is in sliding connection with the moving rod, the surface of the moving rod is fixedly connected with one end of the second spring, the other end of the second spring is fixedly arranged on the surface of the vertical plate, the surface of the moving rod is hinged with the limiting rod, the surface of the limiting rod is fixedly connected with one side of the torsion spring, the other side of the torsion spring is fixedly arranged on the surface of the moving rod, a clamping block is fixedly arranged on the surface of the moving rod, and the moving rod slides in the vertical plate under the support of the second spring.
Compared with the prior art, the utility model provides the current transformer with the protection mechanism, which has the following beneficial effects:
1. This current transformer with protection machanism, through being provided with control assembly, rotatory rim plate in the surface of fixed column, the rim plate drives threaded rod synchronous rotation, the movable block atress slides in the spout in the fixed column, the fixed branch in movable block surface passes the dead lever and drives the diaphragm and move down, upward slide under the support of spring one when the protection shield contacts the surface of circuit, the tangent plane of movable rod will be contradicted when the fixed branch in protection shield surface moves, the movable rod slides in the riser under the support of spring two, and in the draw-in groove in the dead lever is gone into to the gag lever post card, through the removal of fixture block restriction protection shield, then the diaphragm is synchronous not movable, when fixing the circuit of equidimension not, avoid fixing the condition that the tight line epidermis takes place to damage that causes, thereby reach the effect that the circuit protected.
2. This current transformer with protection machanism, through being provided with the separate piece, the hole on separate piece surface can be when wearing to insert the circuit, inserts the circuit respectively in separate piece for the hole, conveniently separates the circuit, has also avoided taking place winding condition emergence between the circuit simultaneously.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic diagram of a current transformer according to the present utility model;
FIG. 3 is a schematic diagram of a control assembly according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure A of FIG. 3 according to the present utility model;
FIG. 5 is a schematic view of the structure of the strut according to the present utility model.
In the figure: 1. a current transformer; 2. a separation block; 3. fixing the column; 4. a locking plate; 5. a control assembly; 51. a wheel disc; 52. a threaded rod; 53. a moving block; 54. a support rod; 55. a fixed rod; 56. a cross plate; 57. a first spring; 58. a protective plate; 59. a restriction member; 591. a support block; 592. a riser; 593. a moving rod; 594. a second spring; 595. a limit rod; 596. a clamping block; 597. and (3) a torsion spring.
Detailed Description
As shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides a current transformer with protection machanism, includes current transformer 1 and separation piece 2, and current transformer 1's fixed surface installs fixed column 3, and fixed column 3's fixed surface installs locking plate 4, is provided with control assembly 5 in the fixed column 3, and control assembly 5 includes: wheel disc 51, threaded rod 52, moving block 53, strut 54, fixed rod 55, cross plate 56, spring one 57, protective plate 58, limiter 59;
The threaded rod 52 penetrates through the fixed column 3 and is rotationally connected with the fixed column 3, the surface of the fixed column 3 is rotationally connected with the wheel disc 51, and the surface of the wheel disc 51 is fixedly connected with the surface of the threaded rod 52;
The movable block 53 is in sliding connection with the inner wall of the fixed column 3, the movable block 53 is penetrated by the threaded rod 52 and in threaded connection with the threaded rod 52, a supporting rod 54 is fixedly arranged on the surface of the movable block 53, the supporting rod 54 penetrates through the fixed column 3 and is in sliding connection with the fixed column 3, and a fixed rod 55 is fixedly arranged on the inner wall of the fixed column 3;
The surface of the transverse plate 56 is fixedly connected with the surface of the supporting rod 54, the surface of the transverse plate 56 is fixedly connected with one end of the first spring 57, and the other end of the first spring 57 is fixedly arranged on the surface of the protecting plate 58;
The limiting piece 59 is arranged on the surface of the transverse plate 56, the wheel disc 51 drives the threaded rod 52 to synchronously rotate, the movable block 53 is stressed to slide in the chute in the fixed column 3, the supporting rod 54 fixed on the surface of the movable block 53 penetrates through the fixed rod 55 to drive the transverse plate 56 to move downwards, the protective plate 58 connected with the surface of the transverse plate 56 through the first spring 57 synchronously moves downwards, the protective plate 58 slides upwards under the support of the first spring 57 when contacting the surface of a line, the supporting rod 591 is abutted against the tangent plane of the movable rod 593 when moving, the movable rod 593 slides in the vertical plate 592 under the support of the second spring 594 and is clamped into the clamping groove in the fixed rod 55, the movement of the protective plate 58 is limited by the clamping block 596, the transverse plate 56 is synchronously immovable, and the protective plate 58 and the locking plate 4 are simultaneously fixed on lines with different sizes, and the situation that the surface of the line is damaged due to the over-tight fixation is avoided, so that the effect of protecting the line is achieved.
The fixing rod 55 has a slot formed in its surface, and the slot is configured to limit movement of the strut 54.
Rectangular through holes are formed in the surfaces of the fixing columns 3, and the stable movement of the supporting rods 54 can be guaranteed through the rectangular through holes.
The strut 54 is U-shaped in shape, and the U-shaped strut 54 is movable through the fixing rod 55.
The limiter 59 includes: support block 591, support block 591 is fixedly mounted on the surface of protective plate 58, support block 591 is attached to the surface of riser 592, riser 592 is fixedly mounted on the surface of cross plate 56, and support block 591 is movable on the surface of riser 592 when moved.
Riser 592 is run through by movable rod 593 and with movable rod 593 sliding connection, the surface of movable rod 593 and the one end fixed connection of spring two 594, the other end fixed mounting of spring two 594 is on the surface of riser 592, the surface of movable rod 593 is articulated with gag lever post 595, the surface of gag lever post 595 and one side fixed connection of torsional spring 597, the opposite side fixed mounting of torsional spring 597 is on the surface of movable rod 593, the surface fixed mounting of movable rod 593 has fixture block 596, when movable rod 593 is contradicted, will slide in riser 592 under the support of spring two 594.
In the utility model, when the circuit to be connected is inserted into the hole in the separation block 2, after the corresponding insertion is finished, the wheel disc 51 rotates on the surface of the fixed column 3, the wheel disc 51 drives the threaded rod 52 to synchronously rotate, the movable block 53 is stressed to slide in the chute in the fixed column 3, the support rod 54 fixed on the surface of the movable block 53 passes through the fixed rod 55 to drive the cross plate 56 to move downwards, the surface of the cross plate 56 synchronously moves downwards through the protection plate 58 connected with the first spring 57, the protection plate 58 slides upwards under the support of the first spring 57 when contacting the surface of the circuit, the support block 591 fixed on the surface of the protection plate 58 is propped against the tangent plane of the movable rod 593 when moving, the movable rod 593 slides in the vertical plate 592 under the support of the second spring 594, and the limit rod 595 is clamped into the clamping groove in the fixed rod 55, the movement of the protection plate 56 is limited by the clamping block 596, the cross plate 56 is synchronously immovable, the protection plate 58 and the locking plate 4 simultaneously fixes circuits with different sizes, and the circuit is prevented from being damaged due to the fact that the protection is performed on the circuit with the different sizes.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. Current transformer with protection machanism, including current transformer (1) and separate piece (2), its characterized in that: the surface fixed mounting of current transformer (1) has fixed column (3), the surface fixed mounting of fixed column (3) has locking board (4), be provided with control assembly (5) in fixed column (3), control assembly (5) include:
The threaded rod (52) penetrates through the fixed column (3) and is rotationally connected with the fixed column (3), the surface of the fixed column (3) is rotationally connected with the wheel disc (51), and the surface of the wheel disc (51) is fixedly connected with the surface of the threaded rod (52);
The movable block (53), the movable block (53) is in sliding connection with the inner wall of the fixed column (3), the movable block (53) is penetrated by the threaded rod (52) and in threaded connection with the threaded rod (52), a supporting rod (54) is fixedly arranged on the surface of the movable block (53), the supporting rod (54) penetrates through the fixed column (3) and is in sliding connection with the fixed column (3), and a fixed rod (55) is fixedly arranged on the inner wall of the fixed column (3);
The surface of the transverse plate (56) is fixedly connected with the surface of the supporting rod (54), the surface of the transverse plate (56) is fixedly connected with one end of a first spring (57), and the other end of the first spring (57) is fixedly arranged on the surface of the protecting plate (58);
And a limiting piece (59), wherein the limiting piece (59) is arranged on the surface of the transverse plate (56).
2. A current transformer with protection mechanism according to claim 1, characterized in that: the surface of the fixing rod (55) is provided with a clamping groove.
3. A current transformer with protection mechanism according to claim 1, characterized in that: rectangular through holes are formed in the surfaces of the fixing columns (3).
4. A current transformer with protection mechanism according to claim 1, characterized in that: the strut (54) is U-shaped in shape.
5. A current transformer with protection mechanism according to claim 1, characterized in that: the limiter (59) includes: the support block (591), support block (591) fixed mounting is on the surface of backplate (58), support block (591) laminating with the surface of riser (592), riser (592) fixed mounting is on the surface of diaphragm (56).
6. A current transformer with protection mechanism according to claim 5, characterized in that: riser (592) run through by movable rod (593) and with movable rod (593) sliding connection, the surface of movable rod (593) and the one end fixed connection of spring two (594), the other end fixed mounting of spring two (594) is on the surface of riser (592), the surface of movable rod (593) articulates with gag lever post (595), the surface of gag lever post (595) and one side fixed connection of torsional spring (597), the opposite side fixed mounting of torsional spring (597) is on the surface of movable rod (593), the surface fixed mounting of movable rod (593) has fixture block (596).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323098040.8U CN221101858U (en) | 2023-11-16 | 2023-11-16 | Current transformer with protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323098040.8U CN221101858U (en) | 2023-11-16 | 2023-11-16 | Current transformer with protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221101858U true CN221101858U (en) | 2024-06-07 |
Family
ID=91317037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323098040.8U Active CN221101858U (en) | 2023-11-16 | 2023-11-16 | Current transformer with protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221101858U (en) |
-
2023
- 2023-11-16 CN CN202323098040.8U patent/CN221101858U/en active Active
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