CN220691867U

CN220691867U - Three-phase voltage transformer not easy to damage

Info

Publication number: CN220691867U
Application number: CN202320926102.0U
Authority: CN
Inventors: 赵诗言; 张帅涛; 霍文龙
Original assignee: Henan Wistar Electric Co ltd
Current assignee: Henan Wistar Electric Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2024-03-29
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a three-phase voltage transformer which is not easy to damage, and relates to the field of electric power systems. According to the utility model, the fuse can be effectively replaced by rotating the top cover, convenience is improved, the top fuse is vertically placed, rainwater on the top cover is effectively prevented from entering the fuse, short circuit burning is caused to the fuse, the baffle is pushed by the metal embedded rod to be connected with the fuse, so that the baffle can be in closer contact with the fuse, and short circuit of a circuit caused by poor contact is prevented.

Description

Three-phase voltage transformer not easy to damage

Technical Field

The utility model relates to the technical field of power systems, in particular to a three-phase voltage transformer which is not easy to damage.

Background

The voltage transformer is used for transforming the voltage on the line, and mainly used for supplying power to the measuring instrument and the relay protection device, measuring the voltage, the power and the electric energy of the line, or protecting valuable equipment, a motor and a transformer in the line when the line fails.

The utility model of patent publication No. CN207852463U in the prior art discloses a voltage transformer. The voltage transformer comprises a main body, a primary winding, a primary insert and a support frame, wherein the main body is formed by casting, the primary winding is cast in the main body, the primary insert is used for being connected with the primary winding, the support frame is used for fixedly supporting the primary winding, one end, close to the primary winding, of the insert is provided with a fixing arm used for fixing the primary winding, the support frame is formed by the fixing arm and the primary insert fixed on the fixing arm, and the primary winding and the fixing arm are provided with a bundling structure used for connecting the primary winding and the fixing arm together. The primary winding cannot deviate even if the primary winding is impacted by an insulating material during casting, the primary insert is fixed on the fixing arm of the support frame, and the primary insert cannot rotate relatively and be pulled away from the main body after casting is finished, so that the voltage transformer with the primary winding free from deviation during manufacturing is provided.

In the practical use process, the structure can make the inspection operation complicated when the main body breaks down due to the fact that the structure passes through the fixed arm and the primary insert fixed on the fixed arm.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a three-phase voltage transformer which is not easy to damage so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the three-phase voltage transformer not easy to damage comprises a main body, wherein the top of the main body is in an opening shape, a top cover is arranged on the top of the main body, and a handle is arranged on the top cover;

the novel electric energy storage device is characterized in that first springs are arranged on two sides of the bottom of the top cover, an insulating plate is arranged on one side of the first springs, the insulating plate is fixedly connected with the first springs, metal embedded rods are arranged on two sides of the bottom of the insulating plate, a baffle is arranged on one side of each metal embedded rod, the metal embedded rods are fixedly connected with the baffle, and a fuse is arranged on one side of each baffle.

Preferably, the fuse both sides all are provided with the insulator spindle, insulator spindle one side is provided with the fixed block, insulator spindle one end runs through main part inner wall and fixed block outer wall and extends to in the fixed block, insulator spindle both sides all are provided with the fixed block, fixed connection between fixed block and the insulator spindle, fixed block one side is provided with the second spring, fixed connection between second spring and the fixed block.

Preferably, a high-voltage wiring column is arranged on one side of the main body, a wiring block is arranged on one side of the high-voltage wiring column, the wiring block is fixedly connected with the high-voltage wiring column, a first wiring terminal is arranged on one side of the wiring block, an interface tube is arranged on one side of the first wiring terminal, and the baffle and the first wiring terminal are connected with the interface tube respectively.

Preferably, the bottom of the fuse is provided with a serial port, one side of the serial port is provided with a communicating pipe, one end of the communicating pipe penetrates through the inner wall of the main body and extends into the main body, one side of the communicating pipe is provided with a first coil, and the first coil is communicated with the communicating pipe.

Preferably, a second coil is arranged in the first coil, a straight pipe is arranged on one side of the second coil, the straight pipe is communicated with the first coil, an air switch is arranged on one side of the straight pipe, a connecting pipe is arranged on one side of the air switch, and one end of the connecting pipe penetrates through the inner wall of the main body and extends out of the main body.

Preferably, the junction box is arranged on one side outside the main body, one side of the junction box is arranged to be in an opening shape, threading connectors are arranged on two sides of the junction box, one ends of the threading connectors penetrate through the outer wall of the junction box and extend into the junction box, second wiring terminals are arranged on two sides in the junction box, the second wiring terminals are communicated with the connecting pipe, a turnover plate is arranged on one side of the junction box, and the turnover plate is connected with the junction box through a hinge.

The utility model has the technical effects and advantages that: can effectually change the fuse through rotatory top cap, improve the convenience, and top the fuse for vertically placing, in effectively preventing the rainwater on the top cap from entering into the fuse, cause the short circuit to burn out to the fuse, promote baffle and be connected with the fuse through the metal embedded rod for the baffle can be inseparabler with the fuse contact, prevent that poor contact from leading to taking place the circuit short circuit, take place the shake in the time of can preventing the fuse work effectively through the insulator spindle on the fuse, and then reduce the probability that the fuse bumps, improve equipment life.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic perspective view of the present utility model.

Fig. 3 is a schematic perspective view of the junction box of the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

Fig. 5 is an enlarged schematic view of the structure of fig. 1B according to the present utility model.

The reference numerals are: the novel high-voltage wire connector comprises a main body 1, a top cover 2, a handle 3, a first spring 4, an insulating plate 5, a metal embedded rod 6, a baffle 7, a fuse 8, an insulating rod 9, a fixed block 10, a fixed block 11, a second spring 12, a high-voltage wire pole 13, a wire connecting block 14, a first wire connecting terminal 15, a connector tube 16, a serial connector 17, a communicating tube 18, a first coil 19, a second coil 20, a straight tube 21, an air switch 22, a connecting tube 23, a connecting box 24, a threading connector 25, a second wire connecting terminal 26 and a flip plate 27.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The three-phase voltage transformer which is not easy to damage as shown in the accompanying drawings 1-5 comprises a main body 1, wherein the top of the main body 1 is provided with an opening, the top of the main body 1 is provided with a top cover 2, and the top cover 2 is provided with a handle 3;

the top cap 2 bottom both sides all are provided with first spring 4, and two first spring 4 one sides are provided with insulation board 5, fixed connection between insulation board 5 and the first spring 4, and insulation board 5 bottom both sides all are provided with metal embedded rod 6, and metal embedded rod 6 one side is provided with baffle 7, fixed connection between metal embedded rod 6 and the baffle 7, and baffle 7 one side is provided with fuse 8.

The fuse 8 both sides all are provided with insulating rod 9, insulating rod 9 one side is provided with fixed block 10, insulating rod 9 one end runs through main part 1 inner wall and fixed block 10 outer wall and extends to in the fixed block 10, insulating rod 9 both sides all are provided with fixed block 11, fixed connection between fixed block 11 and the insulating rod 9, fixed block 11 one side is provided with second spring 12, fixed connection between second spring 12 and the fixed block 10, promote fixed rod 10 through insulating rod 9 and make second spring 12 receive the extrusion, thereby can reduce the device and take place the shake, main part 1 one side is provided with high-voltage connection terminal 13, high-voltage connection terminal 13 one side is provided with junction block 14, fixed connection between junction block 14 and the high-voltage connection terminal 13, junction block 14 one side is provided with first binding post 15, first binding post 15 one side is provided with interface pipe 16, baffle 7 and first binding post 15 are connected with interface pipe 16 respectively.

The fuse 8 bottom is provided with serial ports 17, serial ports 17 one side is provided with communicating pipe 18, communicating pipe 18 one end runs through main part 1 inner wall and extends to main part 1 in, communicating pipe 18 one side is provided with first coil 19, communicate between first coil 19 and the communicating pipe 18, be provided with second coil 20 in the first coil 19, second coil 20 one side is provided with straight tube 21, communicate between straight tube 21 and the first coil 19, straight tube 21 one side is provided with air switch 22 (the model that air switch selected for use is C60), air switch 22 one side is provided with connecting pipe 23, connecting pipe 23 one end runs through main part 1 inner wall and extends to main part 1 outside, main part 1 outside side is provided with terminal box 24, terminal box 24 one side sets up to the opening form, both sides all are provided with the threading and connect 25, threading and 25 one end runs through the outer wall of terminal box 24 and extends to in the good terminal box 24, both sides all are provided with second terminal 26 in the terminal box 24, be connected with second terminal 26 through the threading and pass through the threading and connect 25, can effectively protect it, prevent that the rainwater infiltration from taking place short circuit, intercommunication between second terminal 26 and the connecting pipe 23 one side is provided with the flip through 27 and 24.

The working principle of the utility model is as follows: when the utility model is used, the main body 1 is firstly put into a required position, a high-voltage wire is connected with the first wiring terminal 15 on the high-voltage wiring column 13, then the flip plate 27 is opened, equipment to be connected is connected with the second wiring terminal 26, the flip plate 27 is covered, the voltage transformer starts to work, high voltage enters the interface tube 16 through the first wiring terminal 15, the high-voltage wiring column 13 on the wiring block 14 enters the baffle plate 7, the top cover 2 is rotated by holding the handle 3, the first spring 4 is enabled to squeeze the first spring 4, the first spring 4 pushes the metal embedded rod 6 on the insulating plate 5, the metal embedded rod 6 pushes the baffle plate 7, the baffle plate 7 is enabled to be contacted with the fuse 5, then the high voltage enters the first coil 19 and the second coil 20 through the serial interface 17 on the interface tube 16 on the fuse 8, the high voltage enters the air switch 22 through the straight tube 21, and the second wiring terminal 26 in the junction box 24 through the connecting tube 23.

When the voltage is too high to cause the fuse 8 to burn out, the top cover 2 can be rotated, the fused fuse 8 is taken out, then a new fuse 8 is replaced, the baffle 7 is propped against the fuse 8 through the handle 3 to start working, and when the baffle 7 is extruded to the fuse 8 through the insulating rods 9 on the two sides of the fuse 8, the fuse 8 is dithered due to too high pressure, so that the stabilizing effect is achieved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a difficult damaged three-phase voltage transformer, includes main part (1), its characterized in that: the top of the main body (1) is provided with an opening, the top of the main body (1) is provided with a top cover (2), and the top cover (2) is provided with a handle (3);

the novel electric energy storage device is characterized in that first springs (4) are arranged on two sides of the bottom of the top cover (2), insulating plates (5) are arranged on one side of the first springs (4), the insulating plates (5) are fixedly connected with the first springs (4), metal embedded rods (6) are arranged on two sides of the bottom of the insulating plates (5), a baffle plate (7) is arranged on one side of each metal embedded rod (6), the metal embedded rods (6) are fixedly connected with the baffle plate (7), and fuses (8) are arranged on one side of each baffle plate (7).

2. The less fragile three-phase voltage transformer of claim 1, wherein: the fuse (8) both sides all are provided with insulator spindle (9), insulator spindle (9) one side is provided with fixed block (10), insulator spindle (9) one end runs through main part (1) inner wall and fixed block (10) outer wall and extends to in fixed block (10), insulator spindle (9) both sides all are provided with decides piece (11), fixed connection between piece (11) and insulator spindle (9), fixed piece (11) one side is provided with second spring (12), fixed connection between second spring (12) and the fixed block (10).

3. The less fragile three-phase voltage transformer of claim 1, wherein: the high-voltage wiring structure is characterized in that a high-voltage wiring column (13) is arranged on one side of the main body (1), a wiring block (14) is arranged on one side of the high-voltage wiring column (13), the wiring block (14) is fixedly connected with the high-voltage wiring column (13), a first wiring terminal (15) is arranged on one side of the wiring block (14), an interface tube (16) is arranged on one side of the first wiring terminal (15), and the baffle (7) and the first wiring terminal (15) are respectively connected with the interface tube (16).

4. The less fragile three-phase voltage transformer of claim 1, wherein: the fuse (8) bottom is provided with serial ports (17), serial ports (17) one side is provided with communicating pipe (18), communicating pipe (18) one end runs through main part (1) inner wall and extends to in main part (1), communicating pipe (18) one side is provided with first coil (19), communicate between first coil (19) and communicating pipe (18).

5. The less fragile three-phase voltage transformer of claim 4, wherein: be provided with second coil (20) in first coil (19), second coil (20) one side is provided with straight tube (21), communicate between straight tube (21) and first coil (19), straight tube (21) one side is provided with air switch (22), air switch (22) one side is provided with connecting pipe (23), connecting pipe (23) one end runs through main part (1) inner wall and extends outside main part (1).

6. The less fragile three-phase voltage transformer of claim 1, wherein: the utility model discloses a wire connection device for the electric motor, including main part (1), terminal box (24) are provided with to main part (1) outer one side, terminal box (24) one side sets up to the opening form, terminal box (24) both sides all are provided with threading connector (25), in threading connector (25) one end runs through terminal box (24) outer wall and extends to terminal box (24), both sides all are provided with second binding post (26) in terminal box (24), intercommunication between second binding post (26) and connecting pipe (23), terminal box (24) one side is provided with flip board (27), pass through hinged joint between flip board (27) and terminal box (24).