CN220341013U

CN220341013U - Improved transformer

Info

Publication number: CN220341013U
Application number: CN202321202404.XU
Authority: CN
Inventors: 董桂玲; 李军; 田源; 伍磊
Original assignee: Nanjing Yueyuan Electric Power Research Institute Co ltd
Current assignee: Nanjing Yueyuan Electric Power Research Institute Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2024-01-12
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses an improved transformer, and relates to the technical field of transformers; the utility model solves the problems that a transformer is in a high temperature state for a long time and lacks overload alarm, and comprises a shell and a coil arranged in the shell, wherein the bottom of the inner surface of the shell is fixedly connected with a base, the top of the coil is provided with a top plate, the base is fixedly connected with the top plate through a threaded pull rod, both sides of the shell are provided with heat dissipation mechanisms, the top of the top plate is provided with an alarm mechanism, the heat dissipation mechanisms comprise heat dissipation frames, one side of each heat dissipation frame is fixedly connected with one side of the shell, and the other side of each heat dissipation frame penetrates through and is in sliding connection with a heat conducting rod; according to the utility model, the coil is subjected to heat radiation through the arrangement of the heat radiation mechanism, so that the transformer is prevented from being in a high-temperature state for a long time, the service life of internal components is prolonged, and meanwhile, the heat conduction rod is pulled to enable the limiting block to be far away from the limiting hole, so that the limiting of the heat radiation plate is relieved, and the heat radiation plate is convenient to assemble and disassemble.

Description

Improved transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to an improved transformer.

Background

The control transformer is a small dry-type transformer, is commonly used as a local illumination power supply, a signal lamp or an indicator lamp power supply, and is used as a control circuit power supply in electrical equipment. The control transformer is mainly suitable for the circuit with alternating current of 50Hz (or 60 Hz) and voltage of 1000V or below, and can continuously work for a long time under rated load. It is commonly used as a power supply for controlling lighting and indicator lamps of electric appliances in machine tools and mechanical equipment.

The conventional transformer has the following problems:

1. in the working process of the transformer, current continuously flows in the coil, the resistance value of the coil enables the coil to generate heat, and the transformer is in a high-temperature state for a long time, so that the service life of internal components is influenced.

2. The total power of the load connected with the control transformer is not larger than that of the control transformer, short circuit is not allowed, otherwise, the temperature of the coil is greatly increased, the coil is burnt out seriously, and the traditional control transformer lacks an overload alarm device.

In view of the above problems, the inventors have proposed an improved transformer for solving the above problems.

Disclosure of Invention

In order to solve the problem that the transformer is in a high temperature state for a long time and lacks overload alarm; the utility model aims to provide an improved transformer.

In order to solve the technical problems, the utility model adopts the following technical scheme: including casing and the coil of setting inside the casing, the bottom fixedly connected with base of casing internal surface, the top of coil is provided with the roof, through screw thread pull rod fixed connection between base and the roof, the both sides of casing all are provided with cooling body, the top of roof is provided with alarm mechanism, through cooling body's setting, dispels the heat to the coil, prevents that the transformer from being in the high temperature state for a long time, increases the life of inside components and parts.

Preferably, the heat dissipation mechanism includes the heat dissipation frame, one side of heat dissipation frame and one side fixed connection of casing, the opposite side of heat dissipation frame runs through and sliding connection has the heat conduction pole, and the heat dissipation frame is used for storing the coolant liquid, and the heat conduction pole is used for conducting the heat on the heating panel to dispel the heat to the coil, the one end fixedly connected with stopper of heat conduction pole, the surface cover of heat conduction pole is equipped with spacing spring, and the stopper is used for inserting in the spacing downthehole, thereby fixes the heating panel, the both sides at base top are provided with the heating panel, one side of heating panel and one side in close contact with of coil, the heating panel is used for conducting the heat on the coil, the spacing hole with stopper looks adaptation is seted up to the opposite side of heating panel, the rear fixedly connected with butt plate at base top, and the pulling heat conduction pole makes the stopper keep away from spacing hole to the heating panel is removed to the spacing of heating panel, makes things convenient for the dismouting of butt plate, makes things convenient for the stopper to coincide with spacing hole.

Preferably, the alarm mechanism includes alarm device, alarm device's surface and the top fixed connection of casing, the top fixedly connected with card frame of roof, alarm device include ringtone alarm and warning pilot lamp, and when the power value that the power meter measured exceeded the biggest rated power of transformer, alarm device automatic alarm prevents that the transformer from generating heat excessively and damaging, the internal surface sliding connection of card frame has the power meter, through wire electric connection between power meter and the alarm device, the both sides at roof top are all rotated and are connected with the dwang, and the biggest range of power meter is not less than 60KVA, and the power meter can be used to detect the size of the load power that connects in direct current circuit and the low frequency alternating current circuit, and the frequency of transformer is 50/60Hz, belongs to low frequency alternating current, the surface cover of dwang is equipped with the torsional spring, the one end fixedly connected with rolling plate of dwang, through the setting of rolling plate, rotates the rolling plate and keeps away from the power meter to remove the spacing to the power meter, make things convenient for the dismouting of power meter.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the arrangement of the heat dissipation mechanism, the coil dissipates heat, the transformer is prevented from being in a high temperature state for a long time, the service life of internal components is prolonged, and meanwhile, the heat conduction rod is pulled to enable the limiting block to be far away from the limiting hole, so that the limiting of the heat dissipation plate is relieved, and the heat dissipation plate is convenient to disassemble and assemble;

2. through the setting of the power meter, detect whether the coil is overloaded, when the power value that the power meter measured exceeds the maximum rated power of transformer, alarm device 15 automatic alarm prevents that the transformer from generating heat excessively and damaging, moreover through the setting of rotating plate, make things convenient for the dismouting of power meter.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

Fig. 2 is a schematic view of the internal structure of the housing of the present utility model.

Fig. 3 is a schematic view of the structure of the power meter of the present utility model.

Fig. 4 is a schematic structural view of a heat dissipating plate according to the present utility model.

Fig. 5 is a schematic structural diagram of a heat dissipating frame according to the present utility model.

In the figure: 1. a housing; 2. a coil; 3. a base; 4. a top plate; 5. a threaded pull rod; 6. a heat dissipation mechanism; 7. an alarm mechanism; 8. a heat dissipation frame; 9. a heat conduction rod; 10. a limiting block; 11. a limit spring; 12. a heat dissipation plate; 13. a limiting hole; 14. a retaining plate; 15. an alarm device; 16. a power meter; 17. a rotating lever; 18. a torsion spring; 19. a rotating plate; 20. and (5) clamping the frame.

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.

As shown in fig. 1-5, the utility model provides an improved transformer, which comprises a shell 1 and a coil 2 arranged in the shell 1, wherein a base 3 is fixedly connected to the bottom of the inner surface of the shell 1, a top plate 4 is arranged at the top of the coil 2, the base 3 and the top plate 4 are fixedly connected through a threaded pull rod 5, heat dissipation mechanisms 6 are arranged on two sides of the shell 1, an alarm mechanism 7 is arranged at the top of the top plate 4 and is used for dissipating heat of the coil 2 through the arrangement of the heat dissipation mechanisms 6, the transformer is prevented from being in a high-temperature state for a long time, and the service life of internal components is prolonged.

The heat dissipation mechanism 6 comprises a heat dissipation frame 8, one side of the heat dissipation frame 8 is fixedly connected with one side of the shell 1, and the other side of the heat dissipation frame 8 penetrates through and is connected with a heat conduction rod 9 in a sliding manner.

Through adopting above-mentioned technical scheme, heat dissipation frame 8 is used for storing the coolant liquid, and heat conduction rod 9 is used for the heat on the conduction heating panel 12 to dispel the heat to coil 2.

One end of the heat conducting rod 9 is fixedly connected with a limiting block 10, and a limiting spring 11 is sleeved on the outer surface of the heat conducting rod 9.

Through adopting above-mentioned technical scheme, stopper 10 is used for inserting spacing hole 13 in to fix heating panel 12.

The base 3 is provided with a heat radiation plate 12 on both sides of the top, and one side of the heat radiation plate 12 is in close contact with one side of the coil 2.

By adopting the above technical scheme, the heat dissipation plate 12 is used for conducting heat on the coil 2.

The other side of the heat radiation plate 12 is provided with a limit hole 13 matched with the limit block 10, and the rear part of the top of the base 3 is fixedly connected with a retaining plate 14.

Through adopting above-mentioned technical scheme, pulling heat conduction rod 9 makes stopper 10 keep away from spacing hole 13 to remove the spacing to heating panel 12, make things convenient for the dismouting of heating panel 12, the setting of butt plate 14 makes things convenient for stopper 10 and spacing hole 13 to coincide.

The alarm mechanism 7 comprises an alarm device 15, the outer surface of the alarm device 15 is fixedly connected with the top of the shell 1, and the top of the top plate 4 is fixedly connected with a clamping frame 20.

By adopting the technical scheme, the alarm device 15 comprises a bell alarm and an alarm indicator lamp, and when the power value measured by the power meter 16 exceeds the maximum rated power of the transformer, the alarm device 15 automatically alarms to prevent the transformer from generating excessive heat and being damaged.

The inner surface sliding connection of card frame 20 has power meter 16, through wire electric connection between power meter 16 and the alarm device 15, and the both sides at roof 4 top are all rotated and are connected with dwang 17.

By adopting the technical scheme, the maximum range of the power meter 16 is not less than 60KVA, the power meter 16 can be used for detecting the magnitude of the load power connected in the direct current circuit and the low-frequency alternating current circuit, the frequency of the transformer is 50/60Hz, and the transformer belongs to low-frequency alternating current.

The outer surface of the rotating rod 17 is sleeved with a torsion spring 18, and one end of the rotating rod 17 is fixedly connected with a rotating plate 19.

Through adopting above-mentioned technical scheme, through the setting of rolling plate 19, rolling plate 19 is kept away from power meter 16 to remove the spacing to power meter 16, make things convenient for the dismouting of power meter 16.

Working principle: the heat conducting rod 9 is pulled to extend the limiting spring 11, the heat radiating plate 12 is inserted into the gap between the threaded pull rod 5 and the coil 2, when the limiting hole 13 is matched with the limiting block 10, the heat conducting rod 9 is loosened, the limiting spring 11 contracts to drive the heat conducting rod 9 to enable the limiting block 10 to be inserted into the limiting hole 13, the heat radiating plate 12 is limited and fixed, the rotating plate 19 is rotated to drive the rotating rod 17 to enable the torsion spring 18 to contract, the rotating plate 19 is far away from the power meter 16, limiting of the power meter 16 is relieved, the power meter 16 is moved to be far away from the clamping frame 20, the power meter 16 is detached, and the power meter 16 is convenient to assemble and disassemble.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. An improved transformer comprises a shell (1) and a coil (2) arranged inside the shell (1), and is characterized in that: the intelligent coil is characterized in that a base (3) is fixedly connected to the bottom of the inner surface of the shell (1), a top plate (4) is arranged at the top of the coil (2), the base (3) is fixedly connected with the top plate (4) through a threaded pull rod (5), heat dissipation mechanisms (6) are arranged on two sides of the shell (1), and an alarm mechanism (7) is arranged at the top of the top plate (4).

2. An improved transformer as claimed in claim 1, characterized in that the heat dissipation mechanism (6) comprises a heat dissipation frame (8), one side of the heat dissipation frame (8) is fixedly connected with one side of the housing (1), and the other side of the heat dissipation frame (8) penetrates through and is slidably connected with a heat conduction rod (9).

3. An improved transformer as claimed in claim 2, characterized in that one end of the heat conducting rod (9) is fixedly connected with a limiting block (10), and the outer surface of the heat conducting rod (9) is sleeved with a limiting spring (11).

4. An improved transformer as claimed in claim 3, characterized in that the base (3) is provided on both sides of the top with a heat-dissipating plate (12), one side of the heat-dissipating plate (12) being in close contact with one side of the coil (2).

5. An improved transformer as claimed in claim 4, characterized in that a limiting hole (13) adapted to the limiting block (10) is formed on the other side of the heat dissipation plate (12), and a retaining plate (14) is fixedly connected to the rear part of the top of the base (3).

6. An improved transformer as claimed in claim 5, characterized in that the alarm mechanism (7) comprises an alarm device (15), the outer surface of the alarm device (15) is fixedly connected with the top of the housing (1), and the top of the top plate (4) is fixedly connected with a clamping frame (20).

7. An improved transformer as claimed in claim 6, characterized in that the inner surface of the clamping frame (20) is slidably connected with a power meter (16), the power meter (16) is electrically connected with the alarm device (15) through a wire, and both sides of the top plate (4) are rotatably connected with a rotating rod (17).

8. An improved transformer as claimed in claim 7, characterized in that the outer surface of the rotating rod (17) is sleeved with a torsion spring (18), and one end of the rotating rod (17) is fixedly connected with a rotating plate (19).