Safe explosion-proof dry-type transformer

Abstract

The utility model relates to the field of dry-type transformers, in particular to a safe explosion-proof dry-type transformer, which comprises a transformer base, a main body used for bearing a dry-type transformer assembly, a dry-type transformer inner winding, a dry-type transformer outer winding, a dry-type transformer inner winding and a dry-type transformer inner winding, an outer reinforcing shell is fixedly arranged outside the dry-type transformer inner winding, and heat dissipation grooves are formed in the outer portion of the outer reinforcing shell. The dry-type transformer is provided with the outer reinforcing shell, the heat dissipation grooves, the outer anti-explosion cover, the transverse grid, the side heat dissipation cavities, the electric sliding rails and the heat dissipation fans, when the dry-type transformer is used, the outer reinforcing shell, the outer anti-explosion cover and the transverse grid are arranged outside an inner winding of an original dry-type transformer in a sleeving mode, and therefore impact and damage of external objects can be effectively prevented, and the service life of the dry-type transformer is prolonged. The transformer is protected from external physical damage, and the transverse grids and the heat dissipation grooves can maintain heat dissipation during normal high-load operation of the internal winding of the dry-type transformer.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of dry -type transformer, concretely relates to a safe explosion -proof dry -type transformer. BACKGROUND

[0002] The dry -type transformer is mainly composed of the iron core of silicon steel sheet, the coil of epoxy resin pouring and the shell three parts, the iron core is the important heat transfer component in the dry -type transformer, also plays the role of supporting the winding, the winding is composed of high -voltage winding, low -voltage winding and neutral line winding, and respectively bears the functions such as boost -down, power transmission and protection, and the shell is used to support the iron core and winding, and plays the protection function.

[0003] Through the retrieval, the dry -type transformer of the announcement number CN221008753U is specifically disclosed, a dry -type transformer is including dry -type transformer, the dry -type transformer front end and rear end are jointly installed with the protection device, the dry -type transformer left end and right end are installed with the heat dissipation device, the dry -type transformer upper end left part and upper end right part are installed with two lifting rings, the dry -type transformer lower end is installed with the damping device, the damping device lower end left part and lower end right part are installed with the mounting seat, a group of mounting holes are formed in the upper end front part and the upper end rear part of the two mounting seats, the dry -type transformer of the utility model, through the rotation of the heat dissipation fan and the blowing, the air is blown into the dry -type transformer through the air inlet, so as to accelerate the air circulation speed in the dry -type transformer, thereby heat dissipation, the protection frame body not only can play a certain protection effect to the dry -type transformer, and the noise generated by the dry -type transformer can also be weakened to a certain extent by the sound -absorbing cotton layer on the inner wall of the protection frame body.

[0004] The existing dry -type transformer in the use process, only rely on the safety explosion -proof ability of the external shell is poor, after meeting the impact and damage of external object, will lead to internal parts damage or deformation, at the same time, the fixed fan in the interior also can cause poor heat dissipation performance, when the internal temperature rises, cannot promptly and effectively dissipate the internal heat, lead to the temperature rise of transformer, the running efficiency is reduced and causes the fault, and the dry -type transformer in the above comparative case also lacks the ability to strengthen the safety explosion -proof of dry -type transformer, so that the dry -type transformer lacking the ability of strengthening safety explosion -proof design under long -term use, when abnormal, such as short circuit, overload, more easily cause fire or explosion and other serious consequences.

[0005] Therefore, it is necessary to invent a safe explosion -proof dry -type transformer to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a safe explosion -proof type dry -type transformer, by the extra -strong shell, heat dissipation groove, outer explosion -proof cover, horizontal grating, side heat dissipation cavity, electric sliding rail and heat dissipation fan realize such improvement dry -type transformer safety explosion -proof ability's design, can provide additional safety protection under the abnormality of transformer, such as short circuit, overload etc.

[0007] In order to realize above-mentioned purpose, the utility model provides following technical scheme: a safe explosion -proof type dry -type transformer, including transformer base, for bearing dry -type transformer component's main part;

[0008] Dry -type transformer inner winding is set up in the top of transformer base, is used for realizing the effect of conveying electric energy, and the outside of dry -type transformer inner winding is fixed with extra -strong shell, the outside of extra -strong shell is opened with heat dissipation groove, the outside fixed mounting of extra -strong shell has outer explosion -proof cover, the inside fixed mounting of outer explosion -proof cover has horizontal grating;

[0009] Side heat dissipation cavity is set up in the both sides of extra -strong shell, is used for auxiliary heat dissipation, and the inside fixed setting of side heat dissipation cavity has electric sliding rail, the outside sliding connection of electric sliding rail has electric sliding sleeve, the outside fixed mounting of electric sliding sleeve has support plate, the outside fixed mounting of support plate has heat dissipation disc, the outside fixed mounting of heat dissipation disc has heat dissipation fan.

[0010] Preferably, the bottom of the transformer base is welded with a movable chassis, and the movable chassis is rotatably connected with a roller outside.

[0011] Preferably, the heat dissipation grooves are arranged in multiple, and the multiple heat dissipation grooves are equidistantly distributed on the outer explosion -proof cover.

[0012] Preferably, the inner explosion -proof cover is penetrated by a fixed bolt, and the front end of the fixed bolt is threadedly connected with an inner filter screen.

[0013] Preferably, the top of the outer explosion-proof cover is fixedly provided with an upper connecting frame, and the inner portion of the upper connecting frame is fixedly provided with a driving controller.

[0014] Preferably, the outer portion of the driving controller is fixedly connected with a connecting line, and the other end of the connecting line is fixedly provided with a temperature sensor.

[0015] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0016] 1. The utility model provides with outer reinforcing shell, heat dissipation groove, outer explosion-proof cover, horizontal grating, side heat dissipation cavity, electric slide rail and cooling fan, when using the dry-type transformer, the outer reinforcing shell and outer explosion-proof cover and horizontal grating are set to the outside of the original dry-type transformer inner winding, which can effectively prevent the impact and damage of external objects, protect the transformer from physical damage, and the horizontal grating and heat dissipation groove can keep the dry-type transformer inner winding in normal high load operation, and then the cooling fan arranged in the side heat dissipation cavity can move up and down by the electric slide rail when cooling is needed, so that the two groups of cooling fans effectively dissipate internal heat, reduce the temperature of the transformer, improve the operation efficiency and service life, and the design of improving the safety and explosion-proof capacity of the dry-type transformer can provide additional safety protection when the transformer abnormally, such as short circuit, overload and the like, avoid fire or explosion caused by overheating and other serious consequences, and prevent the splashing caused by the internal fault of the transformer from hurting people.

[0017] 2. The utility model provides with outer reinforcing shell, upper connecting frame, driving controller, connecting line and temperature sensor, when using the dry-type transformer, the dry-type transformer inner winding in the outer reinforcing shell is monitored in real time by the temperature sensor, when high temperature occurs in the inside, the signal is transmitted to the driving controller by the temperature sensor, and then the driving controller controls the electric slide rail and cooling fan to start sliding up and down through the wire connection, which not only realizes intelligent cooling control, but also assists to improve the safety and explosion-proof capacity of the dry-type transformer, and the design helps to improve the reliability and stability of the equipment, reduces the production stoppage and maintenance cost caused by equipment failure. ACCURACY

[0018] In order to more clearly illustrate the technical solutions in the embodiments or prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art according to these drawings.

[0019] Figure 1 It is the whole structure schematic diagram of the utility model.

[0020] Figure 2 It is the inner winding structure schematic view of the dry-type transformer of the utility model;

[0021] Figure 3 It is the inner filter screen structure schematic view of the utility model;

[0022] Figure 4 It is the heat dissipation fan structure schematic view of the utility model;

[0023] Figure 5 It is the drive controller structure schematic view of the utility model;

[0024] Figure 6 It is the system control flow chart of the utility model.

[0025] Mark explanation:

[0026] 1, transformer base; 2, mobile chassis; 3, gyro wheel; 4, dry-type transformer inner winding; 5, outer reinforcing shell; 6, heat dissipation groove; 7, outer explosion-proof cover; 8, transverse grating; 9, fixed bolt; 10, inner filter screen; 11, side heat dissipation cavity; 12, electric sliding rail; 13, electric sliding sleeve; 14, support plate; 15, heat dissipation disc; 16, heat dissipation fan; 17, upper connecting frame; 18, drive controller; 19, connecting line; 20, temperature sensor. Specific implementation

[0027] In order to make the technical personnel in the field better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0028] The utility model provides a kind of safety explosion-proof dry-type transformer as Figures 1-6 As shown in formula, including transformer base 1, the main body for carrying dry-type transformer component;

[0029] Dry-type transformer inner winding 4 is arranged above transformer base 1, for realizing the role of conveying electric energy, and the outer fixed setting of dry-type transformer inner winding 4 has outer reinforcing shell 5, the outer heat dissipation groove 6 of outer reinforcing shell 5 is opened, and the outer fixed mounting of outer reinforcing shell 5 has outer explosion-proof cover 7, and the inner fixed mounting of outer explosion-proof cover 7 has transverse grating 8;

[0030] The side heat dissipation cavity 11 is arranged on both sides of the outer reinforcing shell 5 and is used for auxiliary heat dissipation. The electric sliding rail 12 is fixedly arranged in the side heat dissipation cavity 11. The electric sliding sleeve 13 is slidably connected to the outer side of the electric sliding rail 12. The support plate 14 is fixedly installed on the outer side of the electric sliding sleeve 13. The heat dissipation disc 15 is fixedly installed on the outer side of the support plate 14. The heat dissipation fan 16 is fixedly installed on the outer side of the heat dissipation disc 15. The heat dissipation fan 16 arranged in the side heat dissipation cavity 11 is not fixed and can move up and down under the driving of the electric sliding rail 12 when heat dissipation is needed. Thus, the two groups of heat dissipation fans 16 effectively dissipate the internal heat, reduce the temperature of the transformer, and improve the operating efficiency and service life.

[0031] As shown in Figure 1 , Figure 2 and Figure 3 , the mobile chassis 2 is welded to the bottom of the transformer base 1. The rolling wheels 3 are rotatably connected to the outer side of the mobile chassis 2. The mobile chassis 2 and the rolling wheels 3 are used for pushing the dry-type transformer to different installation and use positions. The heat dissipation grooves 6 are arranged in multiple numbers and are distributed at equal intervals on the outer explosion-proof cover 7. The transverse grating 8 and the heat dissipation grooves 6 can keep the internal dry-type transformer inner winding 4 normally operating at high load and dissipate heat. The fixed bolts 9 penetrate through the inner side of the outer explosion-proof cover 7. The inner filter screen 10 is threadedly connected to the front end of the fixed bolts 9. The inner filter screen 10 is arranged in the inner side of the outer explosion-proof cover 7 and is used for preventing external dust and debris from entering the dry-type transformer when heat dissipation is performed.

[0032] As shown in Figure 1 , Figure 4 , Figure 5 and Figure 6 , the upper connecting frame 17 is fixedly installed on the top of the outer explosion-proof cover 7. The drive controller 18 is fixedly arranged in the inner side of the upper connecting frame 17. The drive controller 18 not only can realize intelligent heat dissipation control but also can assist in strengthening the safety and explosion-proof capacity of the dry-type transformer. The connecting line 19 is fixedly connected to the outer side of the drive controller 18. The temperature sensor 20 is fixedly installed on the other end of the connecting line 19. The dry-type transformer inner winding 4 operating at high load in the inner side of the outer reinforcing shell 5 is monitored in real time by the temperature sensor 20. When high temperature occurs in the inner side, the temperature sensor 20 transmits a signal to the drive controller 18. Then, the drive controller 18 controls the electric sliding rail 12 and the heat dissipation fan 16 to start sliding up and down through the electric wire connection to dissipate heat.

[0033] The utility model discloses a safe explosion -proof type dry -type transformer, which belongs to the field of dry -type transformer, and relates to the safe explosion -proof type dry -type transformer, which comprises a dry -type transformer, a temperature sensor, a drive controller, an electric sliding rail, a cooling fan and a lateral cooling cavity.

[0034] The above only describes some exemplary embodiments of the utility model in a manner of illustration, and it is needless to say that for ordinary skilled person in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A safe and explosion-proof dry-type transformer, characterized in that: include Transformer base (1), used to support the main body of dry-type transformer assembly; The inner winding (4) of the dry-type transformer is located above the transformer base (1) and is used to transmit electrical energy. An outer reinforcing shell (5) is fixedly installed on the outside of the inner winding (4) of the dry-type transformer. A heat dissipation groove (6) is opened on the outside of the outer reinforcing shell (5). An outer explosion-proof cover (7) is fixedly installed on the outside of the outer reinforcing shell (5). A horizontal grid (8) is fixedly installed inside the outer explosion-proof cover (7). Side heat dissipation cavity (11) is provided on both sides of the outer reinforced shell (5) for auxiliary heat dissipation. An electric slide rail (12) is fixedly provided inside the side heat dissipation cavity (11). An electric slide sleeve (13) is slidably connected to the outside of the electric slide rail (12). A support plate (14) is fixedly installed on the outside of the electric slide sleeve (13). A heat dissipation plate (15) is fixedly installed on the outside of the support plate (14). A cooling fan (16) is fixedly installed on the outside of the heat dissipation plate (15).

2. The explosion-proof dry-type transformer according to claim 1, characterized in that: The bottom of the transformer base (1) is welded with a movable base frame (2), and the outside of the movable base frame (2) is rotatably connected with rollers (3).

3. The explosion-proof dry-type transformer according to claim 1, characterized in that: The heat dissipation slots (6) are configured as multiple slots, and the multiple heat dissipation slots (6) are distributed at equal intervals on the outer explosion-proof cover (7).

4. The explosion-proof dry-type transformer according to claim 1, characterized in that: The outer explosion-proof cover (7) has a fixing bolt (9) running through its interior, and the front end of the fixing bolt (9) is threaded with an inner filter screen (10).

5. A safe and explosion-proof dry-type transformer according to claim 1, characterized in that: The top of the outer explosion-proof cover (7) is fixedly installed with an upper connecting frame (17), and a drive controller (18) is fixedly installed inside the upper connecting frame (17).

6. A safe and explosion-proof dry-type transformer according to claim 5, characterized in that: The drive controller (18) is externally connected to a connecting wire (19), and a temperature sensor (20) is fixedly installed at the other end of the connecting wire (19).

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