CN213844961U

CN213844961U - Amorphous alloy transformer with built-in novel circuit breaker

Info

Publication number: CN213844961U
Application number: CN202022854947.2U
Authority: CN
Inventors: 朱巨琮; 朱虹丽
Original assignee: Zhejiang Jiangbian Technology Co ltd
Current assignee: Zhejiang Jiangbian Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-07-30
Anticipated expiration: 2030-12-02

Abstract

The utility model is suitable for a power equipment technical field provides an amorphous alloy transformer of built-in novel circuit breaker, including casing, oil tank, iron core, winding, tapping switch, overload protection ware and temperature sensor, install the regulation voltage in the oil tank through iron core and winding; the oil tank is filled with cooling oil, so that the iron core is cooled, the cooling effect of the completely wrapped iron core is obvious, and the service life of the transformer is prolonged; the transformer is controlled to be connected with a power grid through the tapping switch, and the overload protector is arranged to be connected with the tapping switch, so that the electrical connection of the transformer can be cut off in time when the transformer is overloaded, and the transformer is protected; the built-in temperature sensor is qualitatively connected with the overload protector, monitors the internal temperature of the oil tank, and can cut off the power supply in time when the temperature of the oil tank is overhigh to protect the internal elements of the oil tank; the amorphous alloy transformer has the advantages of simple structure, low manufacturing cost, comprehensive functions, heat dissipation superior to that of a common transformer and higher popularization and application value.

Description

Amorphous alloy transformer with built-in novel circuit breaker

Technical Field

The utility model belongs to the technical field of power equipment, especially, relate to an amorphous alloy transformer of built-in novel circuit breaker.

Background

In the current electric power field, the amorphous alloy transformer is a low-loss and high-energy-efficiency power transformer. The transformer uses iron-based amorphous metal as an iron core, and because the material has no long-range ordered structure, the material is easier to magnetize and demagnetize than common magnetic materials. Therefore, the iron loss of the amorphous alloy transformer is 70-80% lower than that of the traditional transformer which generally adopts silicon steel as an iron core. Because the loss is reduced, the power generation requirement is also reduced, and the emission of greenhouse gases such as carbon dioxide is also reduced correspondingly.

The common amorphous alloy transformer is internally provided with a protection circuit, and the common protection circuit has single function and cannot cope with various fault conditions of the transformer.

SUMMERY OF THE UTILITY MODEL

The utility model provides an amorphous alloy transformer of built-in novel circuit breaker aims at solving the problem of the comparatively single, unable multiple accident's of reply of protection circuit function that mentions in the above-mentioned background.

The utility model discloses a realize like this, a metallic glass transformer of built-in novel circuit breaker, including casing, oil tank, iron core, winding, tapping switch, overload protection ware and temperature sensor, the casing is the rectangle box, install in the casing the oil tank, the oil inlet has been seted up to the casing upper surface, the oil inlet runs through the roof of casing is connected the oil tank, the side surface mounting of casing has the delivery valve, the delivery valve is connected the oil tank.

Install in the oil tank the iron core, install on the iron core the winding, surface mounting has low-voltage bushing and high-voltage bushing on the casing, just low-voltage bushing and high-voltage bushing are electric connection respectively the winding, surface mounting has on the casing tap switch, just tap switch electric connection low-voltage bushing and high-voltage bushing and outside electric wire netting, surface mounting has on the casing overload protection ware, overload protection ware electric connection tap switch, temperature sensor's detection end passes the roof of casing is installed the inside of oil tank, just temperature sensor electric connection overload protection ware.

Surface mounting has the conservator on the casing, the conservator passes through the pipe connection the oil tank, install the oil level gaugember on the conservator, just the oil level gaugember surface is provided with the oil level scale, the casing upper surface is provided with the air flue, the air flue is connected the oil tank, just the air flue with gas relay is installed to the junction of oil tank, gas relay electric connection tap switch.

Preferably, the surface of the machine shell is provided with a strip-shaped mounting frame, the mounting frame is symmetrically mounted along the central line of the lower surface of the machine shell, and mounting holes are formed in the mounting frame.

Preferably, a metal nameplate and a thermometer are mounted on the side wall of the casing, the thermometer penetrates through the side wall of the casing to be connected with the oil tank, and the nameplate is connected with the outer surface of the casing through bolts.

Preferably, cooling fins are arranged on the surfaces of the two sides of the casing, the cooling fins are fin-shaped cooling fins, and the plurality of cooling fins are uniformly arranged on the outer walls of the two sides of the casing.

Preferably, the upper surface of the casing is provided with a plurality of lifting rings, the lower surface of the casing is provided with a ground plate, and the ground plate is provided with a ground bolt.

Preferably, the outer wall of the casing is provided with two cooling fans, and the two cooling fans are arranged on the outer walls of the two sides of the casing.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an amorphous alloy transformer with a built-in novel breaker, which is arranged in an oil tank through an iron core and a winding to regulate voltage; the oil tank is filled with cooling oil, so that the iron core is cooled, the cooling effect of the completely wrapped iron core is obvious, and the service life of the transformer is prolonged; the transformer is controlled to be connected with a power grid through the tapping switch, and the overload protector is arranged to be connected with the tapping switch, so that the electrical connection of the transformer can be cut off in time when the transformer is overloaded, and the transformer is protected; the built-in temperature sensor is qualitatively connected with the overload protector, monitors the internal temperature of the oil tank, and can cut off the power supply in time when the temperature of the oil tank is overhigh to protect the internal elements of the oil tank; the amorphous alloy transformer has the advantages of simple structure, low manufacturing cost, comprehensive functions, heat dissipation superior to that of a common transformer and higher popularization and application value.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is a side view of the structure of the present invention.

In the figure: 1-machine shell, 101-mounting rack, 102-mounting hole, 103-lifting ring, 104-grounding plate, 2-oil tank, 201-oil inlet, 202-oil outlet valve, 3-iron core, 4-winding, 5-conservator, 501-oil level indicator, 6-air channel, 601-gas relay, 7-cooling fin, 8-low pressure sleeve, 9-high pressure sleeve, 10-tap switch, 11-overload protector, 12-temperature sensor, 13-nameplate, 14-thermometer and 15-cooling fan.

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. 1-2, the present invention provides a technical solution: the utility model provides an amorphous alloy transformer of built-in novel circuit breaker, includes casing 1, oil tank 2, iron core 3, winding 4, tapping switch 10, overload protection ware 11 and temperature sensor 12, and casing 1 is the rectangle box, installs oil tank 2 in the casing 1, and oil inlet 201 has been seted up to casing 1 upper surface, and oil inlet 201 runs through the roof of casing 1 and connects oil tank 2, and oil outlet valve 202 is installed to the side surface of casing 1, and oil outlet valve 202 connects oil tank 2.

Install iron core 3 in oil tank 2, install winding 4 on the

iron core

3, 1 last surface mounting of casing has low-voltage bushing 8 and high-voltage bushing 9, and low-voltage bushing 8 and high-voltage bushing 9 be electric connection winding 4 respectively, 1 last surface mounting of casing has tap switch 10, and tap switch 10 electric connection low-voltage bushing 8 and high-voltage bushing 9 and outside electric wire netting, 1 last surface mounting of casing has

overload protection ware

11, 11 electric connection tap switch 10 of overload protection ware, the inside at oil tank 2 is installed to the roof that temperature sensor 12's detection end passed casing 1, and temperature sensor 12 electric connection overload protection ware 11.

Surface mounting has conservator 5 on casing 1, and conservator 5 passes through pipe connection oil tank 2, installs oil level indicator 501 on the conservator 5, and oil level indicator 501 surface is provided with the oil level scale, and casing 1 upper surface is provided with air flue 6, and air flue 6 connects oil tank 2, and air flue 6 installs gas relay 601, gas relay 601 electric connection tap changer 10 with the junction of oil tank 2.

In this embodiment, the oil tank 2 is filled with cooling oil to cool the iron core 3 and the winding 4, so as to reduce the heat generated by the iron core 3 and the winding 4 during operation, thereby achieving a cooling effect, the iron core 3 and the winding 4 change voltage, the low voltage bushing 8 and the high voltage bushing 9 are used for receiving or releasing voltage, the tap switch 10 electrically connects the low voltage bushing 8 and the high voltage bushing 9 to the power grid, the temperature sensor 12 can detect the temperature inside the oil tank 2, and a single chip microcomputer is arranged for controlling, when the temperature inside the oil tank 2 exceeds the set value of the temperature sensor 12, the single chip microcomputer controller receives the electric signal of the temperature sensor 12, and a single chip microcomputer control cavity transmits the electric signal to the overload protector 11, the tap switch 10 is closed when current passes through the overload protector 11, thereby cutting off the transformer from the power grid, further protecting the transformer, preventing the transformer from continuing operation, and the cooling oil is stored in the oil conservator 5, the coolant oil in the oil tank 2 is along with expend with heat and contract with cold, the coolant oil of 2 inside of adjustable oil tanks of conservator 5, guarantee the abundant of 2 coolant oils of oil tank, oil level indicator 501 is convenient for observe the inside oil mass of conservator 2, in time add the coolant oil, the coolant oil produces gas and can be discharged by air flue 6 when the transformer transships, during the gas outgoing process gas relay 601, gas relay 601 cuts off tap switch 10, and then opens the transformer, protect the transformer, multiple protection mechanism, prevent that the transformer from overloading.

Further, a strip-shaped mounting frame 101 is mounted on the lower surface of the machine shell 1, the two mounting frames 101 are symmetrically mounted along the center line of the lower surface of the machine shell 1, and mounting holes 102 are formed in the mounting frames 101.

In this embodiment, the mounting holes 102 of the mounting bracket 101 can be penetrated by matching bolts, so as to fix the mounting bracket 101 on the support of the utility pole, further fix the transformer, facilitate the installation of personnel, and improve the mounting efficiency.

Further, a nameplate 13 and a thermometer 14 made of metal are mounted on the side wall of the cabinet 1, the thermometer 14 penetrates through the side wall of the cabinet 1 to be connected with the oil tank 2, and the nameplate 13 is connected with the outer surface of the cabinet 1 through a bolt.

In this embodiment, the external surface of the nameplate 13 can mark the type and power of the transformer, so as to conveniently identify the type of the transformer, the thermometer 14 is used for detecting the temperature inside the oil tank 2, the temperature inside the oil tank 2 can be manually observed, and the maintenance personnel can conveniently and timely eliminate the fault of the transformer.

Furthermore, cooling fins 7 are installed on the surfaces of the two sides of the machine shell 1, the cooling fins 7 are fin-shaped cooling fins, and the plurality of cooling fins 7 are uniformly arranged on the outer walls of the two sides of the machine shell 1.

In the present embodiment, the cooling fins 7 can dissipate heat from the outer wall of the casing 1, and the fin-shaped cooling fins can increase the contact area with air, thereby facilitating heat dissipation and improving the cooling efficiency of the cooling fins 7.

Further, a plurality of hanging rings 103 are installed on the upper surface of the casing 1, a grounding plate 104 is installed on the lower surface of the casing 1, and a grounding bolt is installed on the grounding plate 104.

In this embodiment, the hanging ring 103 can hook the hanging ring 103 by a crane to mount the transformer, and the hanging rings are more uniformly stressed, and the grounding plate 104 is connected to a grounding wire through a grounding bolt, so that the grounding wire can reduce static electricity on the outer surface of the casing 1.

Further, the outer wall of the casing 1 is provided with a heat dissipation fan 15, and the two heat dissipation fans 15 are arranged on the outer walls of the two sides of the casing 1.

In this embodiment, the cooling fan 15 can drive the air to flow after being turned on, so as to provide heat dissipation for the two side surfaces of the casing 1, improve the cooling efficiency of the casing 1, and prolong the service life of the internal parts of the oil tank.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back well, will cool to deoil and pour into 2 insides of oil tank through oil inlet 201, cooling oil wraps up in iron core 3 and winding 4, iron core 3 and winding 4 are through low-voltage bushing 8 and high-tension bushing 9, and change voltage, tap changer 10 passes through electric connection low-voltage bushing 8 and high-tension bushing 9 and inserts the electric wire netting with low-voltage bushing 8 and high-tension bushing 9 in, the heat that iron core 3 and winding 4 during operation sent is absorbed to the cooling oil, temperature sensor 12 keeps watch on the inside temperature of 2 inside of oil tank, when the temperature exceedes the default, temperature sensor 12 transmits the signal of telecommunication for overload protector 11 during through inside single chip microcomputer controller, overload protector 11 cuts off tap changer 10 after receiving the signal of telecommunication, cut off this transformer in by the electric wire netting.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an amorphous alloy transformer of built-in novel circuit breaker which characterized in that: the transformer oil tank comprises a machine shell (1), an oil tank (2), an iron core (3), a winding (4), a tap switch (10), an overload protector (11) and a temperature sensor (12), wherein the machine shell (1) is a rectangular box body, the oil tank (2) is installed in the machine shell (1), an oil inlet (201) is formed in the upper surface of the machine shell (1), the oil inlet (201) penetrates through the top wall of the machine shell (1) and is connected with the oil tank (2), an oil outlet valve (202) is installed on the side surface of the machine shell (1), and the oil outlet valve (202) is connected with the oil tank (2);

the iron core (3) is arranged in the oil tank (2), the winding (4) is arranged on the iron core (3), the upper surface of the machine shell (1) is provided with a low-voltage bushing (8) and a high-voltage bushing (9), the low-voltage bushing (8) and the high-voltage bushing (9) are respectively and electrically connected with the winding (4), the tap switch (10) is arranged on the upper surface of the machine shell (1), the tap switch (10) is electrically connected with the low-voltage bushing (8), the high-voltage bushing (9) and an external power grid, the overload protector (11) is arranged on the upper surface of the shell (1), the overload protector (11) is electrically connected with the tap switch (10), the detection end of the temperature sensor (12) is arranged in the oil tank (2) through the top wall of the machine shell (1), the temperature sensor (12) is electrically connected with the overload protector (11);

surface mounting has conservator (5) on casing (1), conservator (5) pass through the pipe connection oil tank (2), install oil level gaugember (501) on conservator (5), just oil level gaugember (501) surface is provided with the oil level scale, casing (1) upper surface is provided with air flue (6), air flue (6) are connected oil tank (2), just air flue (6) with gas relay (601) are installed to the junction of oil tank (2), gas relay (601) electric connection tap changer (10).

2. The amorphous alloy transformer with the built-in novel circuit breaker as claimed in claim 1, wherein: the surface mounting has mounting bracket (101) of rectangular shape under casing (1), and two mounting bracket (101) are followed the central line symmetry installation of casing (1) lower surface, mounting hole (102) have been seted up on mounting bracket (101).

3. The amorphous alloy transformer with the built-in novel circuit breaker as claimed in claim 1, wherein: data plate (13) and thermometer (14) of metal system are installed to the lateral wall of casing (1), thermometer (14) pass the lateral wall of casing (1) is connected oil tank (2), just data plate (13) pass through bolted connection the surface of casing (1).

4. The amorphous alloy transformer with the built-in novel circuit breaker as claimed in claim 1, wherein: the cooling fin (7) are arranged on the surfaces of the two sides of the machine shell (1), the cooling fins (7) are fin-shaped cooling fins, and the cooling fins (7) are uniformly arranged on the outer walls of the two sides of the machine shell (1).

5. The amorphous alloy transformer with the built-in novel circuit breaker as claimed in claim 1, wherein: the improved portable grounding device is characterized in that a plurality of lifting rings (103) are mounted on the upper surface of the machine shell (1), a grounding plate (104) is mounted on the lower surface of the machine shell (1), and grounding bolts are mounted on the grounding plate (104).

6. The amorphous alloy transformer with the built-in novel circuit breaker as claimed in claim 1, wherein: radiator fan (15) are installed to casing (1) outer wall, and two radiator fan (15) are installed on the both sides outer wall of casing (1).