Security dry-type transformer

Abstract

The utility model relates to the technical field of dry-type transformers, and discloses a security dry-type transformer which comprises a shell, insulating cylinders and stabilizing components, the three insulating cylinders are fixedly installed on the inner side of the shell, and the stabilizing components connected with the shell are arranged on the outer surfaces of the three insulating cylinders; a bottom shell is fixedly installed at the bottom of the outer shell, the three insulating cylinders are fixedly installed at the top of the bottom shell, and protection plates are fixedly installed on the left side and the right side of the outer shell; the stabilizing component comprises a connecting column and a buffer cushion block, and the connecting column is fixedly installed between the adjacent insulating cylinders. According to the security dry-type transformer, the connecting column is arranged at the bottom between the two insulating cylinders, and the buffer cushion blocks are fixedly mounted at the bottoms of the insulating cylinders, so that the overall structure of the insulating cylinders is stable, certain potential safety hazards caused by mutual collision of the insulating cylinders are avoided, and meanwhile, the fire extinguishing system is used for monitoring the condition in the shell and taking measures in time; and normal operation and use safety of the transformer are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of dry-type transformers, in particular to a security-type dry-type transformer. Background Art

[0002] Security dry-type transformer is a special transformer, which is widely used in various security systems, such as monitoring systems, fire protection systems, alarm systems, etc. The main function of this transformer is to convert one voltage level to another while ensuring the safe operation of the system. Traditional security dry-type transformers usually use silicon steel sheets as the magnetic core and realize voltage conversion through the principle of electromagnetic induction.

[0003] However, with the continuous development and changes of the power system, traditional security dry-type transformers have gradually exposed some defects. The structure of the larger dry-type transformer is not stable enough, and multiple insulation cylinders are prone to collision, causing safety hazards. It is difficult to ensure the overall stability and safety of the transformer, and the transformer is prone to noise. Therefore, a security dry-type transformer is proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a security-type dry-type transformer, which has the advantages of a stable overall structure making it safe and firm, and solves the problem of potential safety hazards caused by an unstable structure.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of stabilizing the overall structure to make it safe and firm, the utility model provides the following technical solutions: a security dry-type transformer, comprising a shell, an insulating cylinder and a stabilizing component, three insulating cylinders are fixedly installed on the inner side of the shell, and the outer surfaces of the three insulating cylinders are all provided with stabilizing components connected to the shell;

[0008] A bottom shell is fixedly installed at the bottom of the shell, the three insulating cylinders are fixedly installed on the top of the bottom shell, and protective plates are fixedly installed on the left and right sides of the shell;

[0009] The stabilizing component comprises a connecting column and a buffering pad. The connecting column is fixedly installed between adjacent insulating cylinders, and the buffering pad is fixedly installed just below the insulating cylinder.

[0010] As a preferred technical solution of the utility model, the front sides of the three insulating cylinders are fixedly connected with high-voltage terminals and low-voltage terminals, the tops of the low-voltage terminals are fixedly installed with three-phase iron cores, the outer surfaces of the insulating cylinders are provided with insulating layers, the outer surfaces of the insulating layers are provided with sound-absorbing cotton strips, and the bottoms of the three insulating cylinders are fixedly installed with fixed bottom plates that fit with the bottom shell.

[0011] The beneficial effects of the above preferred technical solution are: sound-absorbing cotton strips are provided to absorb the noise generated by the three insulating cylinders and the high-voltage terminals, low-voltage terminals and three-phase iron cores to prevent noise diffusion. At the same time, the insulating layer can be used to insulate current and prevent arcing, making it more reliable.

[0012] As a preferred technical solution of the utility model, three radiators are fixedly installed in the inner cavity of the bottom shell, a ground-lifting stand is fixedly installed on the bottom surface of the bottom shell, and support columns that can be horizontal with the ground-lifting stand are rotatably installed on both sides of the bottom shell.

[0013] The beneficial effects of the above-mentioned preferred technical solution are: the provision of a ground-lift stand and a radiator can improve the heat dissipation effect and reliability of the three insulating cylinders in the shell, and facilitate the use of the dry-type transformer.

[0014] As a preferred technical solution of the utility model, separation grooves are opened between the three insulating tubes, connecting columns are arranged on the tops of the separation grooves, and isolation and shock-absorbing plates that fit the insulating layer are fixedly installed on the left and right sides of the tops of the connecting columns.

[0015] The beneficial effects of the above preferred technical solution are: a separation groove is provided to separate the three insulating cylinders, and an isolation shock-absorbing plate is provided at the separation position, so that the insulating cylinders can remain stably fixed without being fitted together, thereby improving the safety of their use.

[0016] As a preferred technical solution of the utility model, a clamping shaft clamped to the inner side of the fixed bottom plate is fixedly installed on both sides of the center of the connecting column, and a clamping block is provided at the bottom of the two clamping shafts.

[0017] The beneficial effects of the above-mentioned preferred technical solution are: stable reinforcement and protective effect.

[0018] As a preferred technical solution of the utility model, a fire protection system parallel to the insulation layer is fixedly installed on the inner top of the two protective plates.

[0019] The beneficial effects of the above preferred technical solution are: the fire protection system is used to monitor the situation inside the casing and take timely measures to facilitate the discovery and treatment of potential safety hazards and prevent accidents such as fire or explosion in the transformer.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, the utility model provides a security dry-type transformer with the following

[0022] Beneficial effects:

[0023] The security dry-type transformer has a connecting column at the bottom between the two insulating cylinders and a buffer pad fixedly installed at the bottom of the insulating cylinder, so that the overall structure of the insulating cylinders can be stable to avoid certain safety hazards caused by mutual collision. At the same time, the fire protection system is used to monitor the situation inside the shell and take measures in time, ensuring the normal operation and safe use of the transformer. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the internal cross-sectional structure of the utility model;

[0025] Figure 2 For this utility model Figure 1 Schematic diagram of the structure of part A;

[0026] Figure 3 This is a schematic diagram of the structure of the insulating cylinder of the utility model.

[0027] In the figure: 1. Shell; 2. Protective plate; 3. Insulating cylinder; 4. Insulating layer; 5. Fixed bottom plate; 6. High-voltage terminal; 7. Low-voltage terminal; 8. Bottom shell; 9. Radiator; 10. Ground-lift bracket; 11. Partition groove; 12. Buffer pad; 13. Support column; 14. Sound-absorbing cotton strip; 15. Connecting column; 16. Isolation and shock-absorbing plate; 17. Clamping shaft; 18. Clamping block; 19. Three-phase iron core; 20. Fire protection system. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] See also Figure 1-3 A security dry-type transformer comprises a shell 1, an insulating cylinder 3 and a stabilizing component. Three insulating cylinders 3 are fixedly installed on the inner side of the shell 1, and the outer surfaces of the three insulating cylinders 3 are provided with stabilizing components connected to the shell 1.

[0032] A bottom shell 8 is fixedly mounted on the bottom of the housing 1 , three insulating cylinders 3 are fixedly mounted on the top of the bottom shell 8 , and protective plates 2 are fixedly mounted on both left and right sides of the housing 1 .

[0033] In this embodiment, the front sides of the three insulating cylinders 3 are fixedly connected with high-voltage terminals 6 and low-voltage terminals 7, the top of the low-voltage terminal 7 is fixedly installed with a three-phase iron core 19, the outer surface of the insulating cylinder 3 is provided with an insulating layer 4, the insulating layer 4 can be used to insulate current and prevent arcing, making it more reliable, the outer surface of the insulating layer 4 is provided with sound-absorbing cotton strips 14, and the bottoms of the three insulating cylinders 3 are fixedly installed with a fixed bottom plate 5 that fits with the bottom shell 8, and sound-absorbing cotton strips 14 are provided, which can absorb the noise generated by the three insulating cylinders 3 and the high-voltage terminals 6, the low-voltage terminals 7 and the three-phase iron core 19 to prevent the noise from spreading.

[0034] In this embodiment, three radiators 9 are fixedly installed in the inner cavity of the bottom shell 8, and a ground-lift bracket 10 is fixedly installed on the bottom surface of the bottom shell 8. Support columns 13 that can be horizontal with the ground-lift bracket 10 are rotatably installed on the left and right sides of the bottom shell 8. The provision of the ground-lift bracket 10 and the radiator 9 can improve the heat dissipation effect and reliability of the three insulating cylinders 3 in the outer shell 1, which is convenient for the use of the dry-type transformer.

[0035] The stabilizing component includes a connecting column 15 and a buffer block 12 . The connecting column 15 is fixedly installed between adjacent insulating cylinders 3 , and the buffer block 12 is fixedly installed just below the insulating cylinder 3 .

[0036] In this embodiment, separation grooves 11 are provided between each of the three insulating tubes 3 , and connecting columns 15 are provided on the tops of the separation grooves 11 . Isolation and shock absorbing plates 16 that fit the insulating layer 4 are fixedly mounted on both sides of the tops of the connecting columns 15 .

[0037] It should be noted that the separation groove 11 can separate the three insulating cylinders 3, and an isolation damping plate 16 is provided at the separation position, so that the insulating cylinders 3 can remain stably fixed when not fitting together, thereby improving the safety of their use.

[0038] In this embodiment, the center of the connecting column 15 is fixed with a clamping shaft 17 on both sides thereof, which is clamped to the inner side of the fixed bottom plate 5. The bottom of the two clamping shafts 17 is provided with a clamping block 18 for stabilization and reinforcement to provide a protective effect.

[0039] In this embodiment, a fire protection system 20 parallel to the insulating layer 4 is fixedly installed on the inner top of the two protective plates 2. The fire protection system 20 is used to monitor the situation inside the outer shell 1 and take timely measures to facilitate the discovery and handling of potential safety hazards and prevent accidents such as fire or explosion in the transformer.

[0040] The beneficial effects of the above embodiments are:

[0041] By arranging a connecting column 15 at the bottom between the two insulating cylinders 3 and fixing a buffer pad 12 at the bottom of the insulating cylinder 3, the overall structure of the insulating cylinder 3 can be stabilized to avoid collision between them and cause certain safety hazards. At the same time, the fire protection system 20 is used to monitor the situation inside the casing 1 and take measures in time to ensure the normal operation and safe use of the transformer.

[0042] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A security dry-type transformer, comprising a housing (1), an insulating cylinder (3) and a stabilizing component, wherein three insulating cylinders (3) are fixedly mounted on the inner side of the housing (1), and the outer surfaces of the three insulating cylinders (3) are all provided with a stabilizing component connected to the housing (1); Features: A bottom shell (8) is fixedly mounted on the bottom of the housing (1), the three insulating cylinders (3) are fixedly mounted on the top of the bottom shell (8), and protective plates (2) are fixedly mounted on both left and right sides of the housing (1); The stabilizing component comprises a connecting column (15) and a buffer block (12), wherein the connecting column (15) is fixedly installed between adjacent insulating cylinders (3), and the buffer block (12) is fixedly installed directly below the insulating cylinder (3).

2. A security dry-type transformer according to claim 1, characterized in that: The front surfaces of the three insulating cylinders (3) are fixedly connected with a high-voltage terminal (6) and a low-voltage terminal (7); the top of the low-voltage terminal (7) is fixedly mounted with a three-phase iron core (19); the outer surface of the insulating cylinder (3) is provided with an insulating layer (4); the outer surface of the insulating layer (4) is provided with a sound-absorbing cotton strip (14); and the bottoms of the three insulating cylinders (3) are fixedly mounted with a fixed bottom plate (5) that fits the bottom shell (8).

3. A security dry-type transformer according to claim 1, characterized in that: Three radiators (9) are fixedly mounted in the inner cavity of the bottom shell (8), a lifting stand (10) is fixedly mounted on the bottom surface of the bottom shell (8), and support columns (13) that can be level with the lifting stand (10) are rotatably mounted on both left and right sides of the bottom shell (8).

4. A security dry-type transformer according to claim 2, characterized in that: A separation groove (11) is provided between each of the three insulating cylinders (3), a connecting column (15) is provided at the top of the separation groove (11), and isolation and shock-absorbing plates (16) that are in contact with the insulating layer (4) are fixedly installed on both left and right sides of the top of the connecting column (15).

5. A security dry-type transformer according to claim 2, characterized in that: A clamping shaft (17) clamped to the inner side of the fixed bottom plate (5) is fixedly installed on both left and right sides of the center of the connecting column (15), and a clamping block (18) is arranged at the bottom of the two clamping shafts (17).

6. A security dry-type transformer according to claim 1, characterized in that: A fire protection system (20) parallel to the insulating layer (4) is fixedly installed on the inner top of each of the two protection plates (2).

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