CN212724900U

CN212724900U - Fireproof transformer

Info

Publication number: CN212724900U
Application number: CN202021986665.1U
Authority: CN
Inventors: 龚镔
Original assignee: Wuxi Jiehao Electric Appliance Co ltd
Current assignee: Wuxi Jiehao Electric Appliance Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-03-16
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a fire prevention transformer, including insulator foot, transformer body, insulator foot top surface transversely is equipped with multiunit cooling fan, the vertical fire prevention insulating cover that is equipped with in side of transformer body, the side of this external side electroplax of transformer is equipped with first high pressure tap, low pressure tap, second high pressure tap, the slant is equipped with the connecting rod between transformer body front side low pressure tap and the adjacent second high pressure tap that connects the electric plate surface, the vertical low pressure wiring tablet that is equipped with of side surface before the clamp holder in the cooling tank outside, the clamp holder side that the low pressure wiring tablet one side was kept away from to the cooling tank vertically is equipped with high-voltage connection post. The utility model discloses heat dissipation fan can effectively promote the initiative heat-sinking capability when transformer body uses under the effect of built-in radiator through the conducting strip in order to assist reinforcing fire behavior, and the insulating cover of fire prevention more can effectively avoid external environment direct action to influence equipment operation safety, excellent in use effect in transformer housing.

Description

Fireproof transformer

Technical Field

The utility model relates to a transformer technical field specifically is a fire prevention transformer.

Background

A transformer is a stationary electrical device used to transform ac voltage, current and transmit ac power. The electric energy transmission is realized according to the principle of electromagnetic induction. Transformers can be classified into power transformers, test transformers, instrument transformers, and transformers for special purposes, in terms of their use: the power transformer is necessary equipment for power transmission and distribution and power consumer distribution; the device is used for carrying out voltage withstand (boosting) test on electrical equipment by the test transformer; the instrument transformer is used for electrical measurement and relay protection (PT, CT) of a power distribution system; the transformer for special purposes comprises a furnace transformer for smelting, an electric welding transformer, a rectifier transformer for electrolysis, a small-sized regulating transformer and the like. The fire prevention operation of current transformer is realized through built-in insulating oil or external guard box more, and initiative protectiveness is not enough, and the wiring structure of side is more concentrated, influences the power consumption safety, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire prevention transformer to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a fireproof transformer comprises an insulating base and a transformer body, wherein an isolation frame is transversely and fixedly arranged in the middle of the top surface of the insulating base, a plurality of groups of heat dissipation fans are respectively and transversely and fixedly arranged at the front end and the rear end of the top surface of the insulating base outside the isolation frame, the transformer body is vertically and fixedly arranged on the top surface of the isolation frame through a mounting seat, a fireproof insulating sleeve is vertically and fixedly arranged on the side surface of the transformer body, a ladder-shaped electric connection plate is vertically and fixedly arranged in the middle of the front side surface of the fireproof insulating sleeve outside the transformer body, a plurality of first high-voltage taps are fixedly arranged in the middle of the side surface of the electric connection plate on the upper side and the lower side of the first high-voltage taps, a low-voltage tap and a second high-voltage tap are sequentially and longitudinally and fixedly arranged in the middle of the side surface of the electric connection plate, a, the top surface of transformer body is provided with the cooling oil tank through the horizontal fixed cooling oil tank that is provided with of clamping frame, the vertical fixed a plurality of low pressure wiring tablet that are provided with of clamping frame front side surface in the cooling oil tank outside, the side of low pressure wiring tablet is through the fixed V-arrangement lead wire that is provided with of power connection terminal, the vertical fixed a plurality of high-voltage power connection posts that are provided with in clamping frame side that low pressure wiring tablet one side was kept away from to the cooling oil tank.

Preferably, the isolation frame and the clamping frame are both insulating metal frames and are electrically connected with the insulating base through a grounding wire, and the isolation frame and the insulating base are integrated into a whole by adopting a welding process.

Preferably, the heat dissipation fan is formed by combining a heat exhaust fan and an internal radiator, and the internal radiator of the heat dissipation fan is connected with the outer shell of the transformer body through a heat conducting fin.

Preferably, the transformer body is of a three-phase combined structure, and three connecting rods are arranged on the front side of the transformer body in a crossed manner.

Preferably, the low-voltage wiring board is of an L-shaped structure, the side face of one end, close to the lead wire, of the low-voltage wiring board is transversely provided with an oval wiring hole respectively, and one end, far away from the side face of the low-voltage wiring board, of the lead wire is electrically connected with the low-voltage tap.

Preferably, the high-voltage power connection pole is of a spiral structure, and one end of the high-voltage power connection pole close to the transformer body is electrically connected with the power input end of the power transformation equipment in the transformer body.

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

1. the vertical electricity board that connects that is equipped with in the fireproof insulation cover front side in the transformer body outside, and the insulator foot top surface in the isolation frame outside is equipped with radiator fan respectively, and radiator fan can effectively promote the initiative heat-sinking capability when the transformer body uses in order to assist reinforcing fire behavior through the conducting strip under built-in radiator effect, and the fireproof insulation cover more can effectively avoid external environment direct action to the transformer casing with influence inside equipment operation safety, excellent in use effect.

2. The surface of the front side of the fireproof insulating sleeve is provided with a first high-voltage tap, a low-voltage tap and a second high-voltage tap through a power connection plate, the surface of the rear side of a clamping frame above the transformer body is provided with a high-voltage power connection post, a side partition type wiring structure is adopted, the requirement of safe operation of a flat cable is met, later maintenance is facilitated, and the practicability is high.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention.

In the figure: 1. an insulating base; 2. a transformer body; 3. an isolation frame; 4. a heat radiation fan; 5. a fireproof insulating sleeve; 6. a power connection plate; 7. a first high voltage tap; 8. a low-voltage tap; 9. a second high voltage tap; 10. a connecting rod; 11. a clamping frame; 12. cooling the oil tank; 13. a low-voltage wiring board; 14. a lead wire; 15. a high-voltage power connection post; 16. and a wiring hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, in an embodiment of the present invention, a fire-proof transformer includes an insulating base 1 and a transformer body 2, an isolation frame 3 is transversely and fixedly disposed at the middle of the top surface of the insulating base 1, a plurality of groups of cooling fans 4 are respectively and transversely and fixedly disposed at the front and rear ends of the top surface of the insulating base 1 outside the isolation frame 3, the transformer body 2 is vertically and fixedly disposed on the top surface of the isolation frame 3 through a mounting seat, a fire-proof insulating sleeve 5 is vertically and fixedly disposed at the side of the transformer body 2, a ladder-shaped electricity-receiving plate 6 is vertically and fixedly disposed at the middle of the front side surface of the fire-proof insulating sleeve 5 outside the transformer body 2, a plurality of first high-voltage taps 7 are fixedly disposed at the middle of the side of the electricity-receiving plate 6 by forming a groove, a low-voltage tap 8, a, A connecting rod 10 is obliquely and fixedly arranged between a low-voltage tap 8 on the front side of the transformer body 2 and the second high-voltage tap 9 on the surface of the adjacent electric plate 6, a cooling oil tank 12 is transversely and fixedly arranged on the top surface of the transformer body 2 through a clamping frame 11, a plurality of low-voltage wiring boards 13 are vertically and fixedly arranged on the front side surface of the clamping frame 11 outside the cooling oil tank 12, a V-shaped lead wire 14 is fixedly arranged on the side surface of each low-voltage wiring board 13 through an electric connection terminal, and a plurality of high-voltage electric connection columns 15 are longitudinally and fixedly arranged on the side surface of the clamping frame 11 on the side, far away from the low-; the isolation frame 3 and the clamping frame 11 are both insulating metal frames and are electrically connected with the insulating base 1 through a grounding wire, and the isolation frame 3 and the insulating base 1 are integrated into a whole by adopting a welding process, so that the structure reliability is ensured; the heat dissipation fan 4 is formed by combining a heat dissipation fan and an internal radiator, the internal radiator of the heat dissipation fan 4 is connected with the outer shell of the transformer body 2 through a heat conducting fin, and the heat dissipation performance is enhanced to avoid the influence of overhigh temperature on the use safety; the transformer body 2 is of a three-phase combined structure, and three connecting rods 10 are arranged on the front side of the transformer body 2 in a crossed manner, so that the three-phase transformation requirement is met; the low-voltage wiring board 13 is of an L-shaped structure, the side surfaces of the low-voltage wiring board 13 close to one end of the lead wire 14 are respectively and transversely provided with an oval wiring hole 16, and one end of the lead wire 14 far away from the side surface of the low-voltage wiring board 13 is electrically connected with the low-voltage tap 8, so that management and wiring are facilitated; the high-voltage power connection post 15 is of a spiral structure, one end of the high-voltage power connection post close to the transformer body 2 is electrically connected with the power inlet end of the power transformation equipment in the transformer body 2, and the requirement of safe power connection is met.

The utility model discloses a theory of operation and use flow: the heat dissipation fan 4 can effectively promote the initiative heat-sinking capability when the transformer body 2 uses under the effect of built-in radiator through the conducting strip in order to assist reinforcing fire behavior, fire prevention insulating boot 5 more can effectively avoid external environment direct action to influence the internal plant operation safety in the transformer casing, and first high pressure tap 7, the front side surface of fire prevention insulating boot 5 is located respectively to low pressure tap 8 and second

high pressure tap

9, 11 rear side surfaces of clamp frame above the transformer body 2 are located to high voltage connection post 15, adopt side partition type wiring structure, make things convenient for later maintenance when satisfying winding displacement safety operation demand, excellent in use effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fire prevention transformer, includes insulator foot (1), transformer body (2), its characterized in that: the top surface middle part of insulator foot (1) transversely is fixed and is provided with isolation frame (3), both ends are transversely fixed respectively and are provided with multiunit radiator fan (4) around insulator foot (1) top surface in the isolation frame (3) outside, transformer body (2) are through the vertical fixed top surface that sets up in isolation frame (3) of mount pad, the vertical fixed fire prevention insulating cover (5) that is provided with in side of transformer body (2), the vertical fixed trapezoidal form electricity board (6) that is provided with in side surface middle part before fire prevention insulating cover (5) in transformer body (2) outside, the side middle part of electricity board (6) is through seting up fixed a plurality of first high pressure tap (7) that are provided with of recess, electricity board (6) side middle part vertically fixed is provided with one low pressure tap (8) in proper order on high pressure tap (7) of first downside and the electricity board (6) side middle part, Second high-voltage tap (9), the slant is fixed to be provided with connecting rod (10) between transformer body (2) front side low pressure tap (8) and the second high-voltage tap (9) adjacent electroplax (6) surface, the top surface of transformer body (2) is provided with cooling oil tank (12) through clamping frame (11) horizontal fixed, the vertical fixed a plurality of low pressure wiring tablet (13) that are provided with of clamping frame (11) front side surface in cooling oil tank (12) outside, the side of low pressure wiring tablet (13) is through the fixed V-arrangement wire guide (14) that is provided with of electrical connection terminal, the vertical fixed a plurality of high-pressure electrical connection post (15) that are provided with in clamping frame (11) side that low pressure wiring tablet (13) one side was kept away from in cooling oil tank (12).

2. A fire protection transformer according to claim 1, wherein: the isolation frame (3) and the clamping frame (11) are both insulated metal frames and are electrically connected with the insulating base (1) through a grounding wire, and the isolation frame (3) and the insulating base (1) are integrated into a whole by adopting a welding process.

3. A fire protection transformer according to claim 1, wherein: the heat dissipation fan (4) is formed by combining a heat exhaust fan and a built-in radiator, and the built-in radiator of the heat dissipation fan (4) is connected with the outer shell of the transformer body (2) through a heat conducting fin.

4. A fire protection transformer according to claim 1, wherein: the transformer body (2) is of a three-phase combined structure, and three connecting rods (10) are arranged on the front side of the transformer body (2) in a crossed mode.

5. A fire protection transformer according to claim 1, wherein: the low-voltage wiring board (13) is of an L-shaped structure, the side face of one end, close to the lead wire (14), of the low-voltage wiring board is transversely provided with an oval wiring hole (16), and one end, far away from the side face of the low-voltage wiring board (13), of the lead wire (14) is electrically connected with the low-voltage tap (8).

6. A fire protection transformer according to claim 1, wherein: the high-voltage power connection post (15) is of a spiral structure, and one end of the high-voltage power connection post close to the transformer body (2) is electrically connected with the power input end of the power transformation equipment in the transformer body (2).