CN218482066U

CN218482066U - Power transformer

Info

Publication number: CN218482066U
Application number: CN202222364675.7U
Authority: CN
Inventors: 李巍巍
Original assignee: Hubei Kaizesi Electric Co ltd
Current assignee: Hubei Kaizesi Electric Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-02-14
Anticipated expiration: 2032-09-06

Abstract

The utility model provides a power transformer, be in including base, controller and fixed mounting the transformer body at base top center and setting are in transformer body top is used for carrying out the protecting box and the fixed mounting that protect transformer body is in the install bin at protecting box top, the inner wall bottom of install bin is provided with the emergency mechanism that is used for preventing transformer body fire extinguishing, emergency mechanism includes dry powder case, dust absorption pump, defeated powder pipe and shower nozzle, the rear surface of protecting box is provided with and dispels the dirt-proof cooling mechanism to transformer body, when detecting open fire through the open fire detector, with information transfer to controller, controller control dust absorption pump starts, takes out the dry powder of dry powder incasement to spout from the shower nozzle in the defeated powder pipe is carried to the pipeline, effectively prevents that transformer body from taking place the conflagration, is used for when taking place the conflagration, plays emergent effect, reduces harm loss, has improved the security.

Description

Power transformer

Technical Field

The utility model relates to a power transformer technical field, in particular to power transformer.

Background

Application number 202022168925.0's chinese patent of authorizing, it discloses a power transformer, including oil tank, iron core and coil, the iron core is located with the coil the oil tank, the oil tank is equipped with the level gauge, the fin is equipped with in the oil tank outside, be equipped with the case lid on the oil tank, the case lid is equipped with temperature measurement appearance, the last warning light that is equipped with of temperature measurement appearance, the case lid both ends are equipped with the fixed block, be equipped with the bolt on the fixed block, the oil tank body surface is equipped with the exhaust hole, the oil tank bottom is equipped with the base, the base be equipped with the corresponding cooling bath in oil tank position. The utility model discloses a case lid position is dismantled by the fixed bed accessible bolt that the both ends were equipped with about the case lid by the bolt fastening, conveniently washs and renews. The utility model discloses possess than old-fashioned power transformer more excellent work efficiency, its oil tank winding coil is equipped with four groups, and the power voltage who produces is higher, and work efficiency is also bigger. The inner side part of the iron core is made of insulating heat-resistant materials, so that the service time of the power transformer can be prolonged;

although the problem that an existing power transformer can be cooled down efficiently, power is improved, operation is performed more efficiently, service time is prolonged, and stability is improved is solved in the scheme, the problem that emergency fire extinguishment is difficult to perform when open fire occurs to the power transformer exists, so that the periphery of the power transformer is damaged easily, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention are directed to a power transformer, which solves or alleviates the technical problems in the prior art, and at least provides a useful choice.

The embodiment of the utility model provides a technical scheme is so realized: the utility model provides a power transformer, includes base, controller and fixed mounting the transformer body at base top center and setting are in transformer body top is used for carrying out the protective housing and the fixed mounting that protect transformer body is in the install bin at protective housing top, the inner wall bottom of install bin is provided with the emergency mechanism that is used for preventing transformer body from putting out a fire and putting out a fire, emergency mechanism includes dry powder case, dust absorption pump, defeated powder pipe and shower nozzle, the rear surface of protective housing is provided with carries out the dirt-proof cooling mechanism that dispels the heat to transformer body, cooling mechanism includes casing, filter pulp, gauze, ventilated shell, heat dissipation fan and semiconductor refrigerator, the inner wall top of protective housing from left to right in proper order fixed mounting have temperature sensor, naked light detector, audible-visual annunciator, temperature sensor, naked light detector, dust absorption pump, heat dissipation fan, semiconductor refrigerator respectively with electric connection between the controller.

Preferably: semiconductor cooler fixed mounting is in one side of installation box inner wall bottom, semiconductor cooler's refrigeration end passes through the pipeline the installation box extends to the inside of protective housing, semiconductor cooler's the end that heats extends to the outside of installation box, casing fixed mounting is in the rear surface of protective housing, filter pulp and gauze can dismantle respectively and be connected in the inner wall both sides of protective housing, be located with the gauze one side of filter pulp, ventilation shell fixed mounting be in one side of shells inner wall, heat dissipation fan fixed mounting be in inner wall one side of ventilation shell, cooling mechanism still includes fixed mounting be used for at shells inner wall top block the baffle of rainwater.

Preferably: the shower nozzle from left to right in proper order fixed mounting be in the below of defeated powder pipe lateral wall, the both ends of defeated powder pipe all with the inner wall both sides fixed connection of protective housing, dry powder case fixed mounting be in the center of installation incasement wall bottom, dust absorption pump fixed mounting be in the both sides of dry powder case, dust absorption pump's input extends to the inside of dry powder case, dust absorption pump's output runs through respectively through the pipeline installation case, protective housing extend to defeated powder inside of managing.

Preferably: the positive surface of protective housing articulates through the hinge has sealing door, one side fixed mounting on the positive surface of sealing door has the handle of being convenient for follow open sealing door on the protective housing.

Preferably: the base is fixedly connected with the protection box through bolts.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:

1. when detecting the naked light through the naked light detector, with information biography to controller, the controller control dust absorption pump start, take out the dry powder of dry powder incasement to carry the intraductal blowout from the shower nozzle of defeated powder through the pipeline, effectively prevent that transformer body from taking place the conflagration for when the conflagration breaks out, play emergent effect, reduce harm loss, improved the security.

2. When detecting that the temperature in the protective box reaches the setting range through temperature sensor, pass to the controller with information, controller control heat dissipation fan starts, blow outside air into the protective box inside, thereby realize the radiating purpose of transformer body, when cooling down bloies, through filter pulp and gauze, carry out filtration treatment with the air that gets into in the protective box, prevent that dust impurity in the air from getting into in the protective box, influence the radiating efficiency of transformer body, and the service life is prolonged, when temperature sensor detects the temperature in the protective box and surpasss the setting range, pass to the controller with information once more, controller control semiconductor refrigerator starts, and squeeze into air conditioning to the protective box inside, thereby effectively carry out energy-conserving heat dissipation to the transformer body, and the service life of transformer body is prolonged.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a view of the overall structure of the utility model;

FIG. 2 is a rear perspective view of the present invention;

FIG. 3 is a cross-sectional three-dimensional structure view of the installation box of the present invention;

FIG. 4 is a sectional three-dimensional structure view of the protection box of the present invention

Fig. 5 is a partial three-dimensional structure diagram of the transformer body of the present invention.

Reference numerals: 1. a base; 2. a transformer body; 3. a protective box; 4. installing a box; 5. a semiconductor refrigerator; 6. a temperature sensor; 7. an open flame detector; 8. an audible and visual alarm; 9. a dry powder box; 10. a dust suction pump; 11. a powder conveying pipe; 12. a spray head; 13. a housing; 14. filtering cotton; 15. a screen; 16. a ventilated casing; 17. a heat dissipation fan; 18. and a baffle plate.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, an embodiment of the present invention provides a power transformer, including a base 1, a controller, a transformer body 2 fixedly installed at the center of the top of the base 1, a protection box 3 installed above the transformer body 2 for protecting the transformer body 2, and an installation box 4 fixedly installed at the top of the protection box 3, wherein an emergency mechanism for preventing the transformer body 2 from igniting and extinguishing fire is provided at the bottom of the inner wall of the installation box 4, the emergency mechanism includes a dry powder box 9, a dust suction pump 10, a powder conveying pipe 11 and a spray head 12, a cooling mechanism for dissipating heat and preventing dust of the transformer body 2 is provided at the rear surface of the protection box 3, the cooling mechanism includes a housing 13, filter cotton 14, a gauze 15, an air ventilation housing 16, a heat dissipation fan 17 and a semiconductor refrigerator 5, a temperature sensor 6, an open fire detector 7, an audible and visual annunciator 8, a temperature sensor 6, an open fire detector 7, a dust suction pump 10, a heat dissipation fan 17, and a semiconductor refrigerator 5 are respectively electrically connected with the controller; when the open fire detector 7 detects that the transformer body 2 generates open fire, information is transmitted to the controller, the controller controls the audible and visual alarm 8 to start alarming, so that personnel can be reminded of accidents at the place, harm is prevented, and safety is improved.

In this embodiment, specifically: the semiconductor refrigerator 5 is fixedly arranged on one side of the bottom of the inner wall of the installation box 4, a refrigerating end of the semiconductor refrigerator 5 penetrates through the installation box 4 through a pipeline and extends into the protection box 3, a heating end of the semiconductor refrigerator 5 extends to the outside of the installation box 4, the shell 13 is fixedly arranged on the rear surface of the protection box 3, the filter cotton 14 and the gauze 15 are respectively detachably connected to two sides of the inner wall of the protection box 3 and are positioned on one side of the filter cotton 14 together with the gauze 15, the ventilation shell 16 is fixedly arranged on one side of the inner wall of the shell 13, the heat dissipation fan 17 is fixedly arranged on one side of the inner wall of the ventilation shell 16, and the cooling mechanism further comprises a baffle 18 which is fixedly arranged on the top of the inner wall of the shell 13 and used for blocking rainwater; when detecting through temperature sensor 6 that the temperature in protective housing 3 reaches the range of setting, pass to the controller with information, controller control heat dissipation fan 17 starts, blow outside air into protective housing 3 inside, thereby realize the radiating purpose of transformer body 2, when cooling down blowing, through filter pulp 14 and gauze 15, carry out filtration treatment with the air that gets into in protective housing 3, prevent that the dust impurity in the air from getting into protective housing 3 in, influence the radiating efficiency of transformer body 2, reduce life, when temperature sensor 6 detects the temperature in the protective housing 3 and surpass the range of setting, pass to the controller once more with information, controller control semiconductor refrigerator 5 starts, and squeeze into air conditioning to protective housing 3 inside, thereby realize carrying out energy-conserving radiating purpose to transformer body 2, improve transformer body 2's life.

In this embodiment, specifically: the spray head 12 is fixedly arranged below the outer side wall of the powder conveying pipe 11 in sequence from left to right, two ends of the powder conveying pipe 11 are fixedly connected with two sides of the inner wall of the protective box 3, the dry powder box 9 is fixedly arranged at the center of the bottom of the inner wall of the installation box 4, the dust suction pumps 10 are fixedly arranged at two sides of the dry powder box 9, the input ends of the dust suction pumps 10 extend to the inside of the dry powder box 9, and the output ends of the dust suction pumps 10 respectively penetrate through the installation box 4 and the protective box 3 to extend to the inside of the powder conveying pipe 11 through pipelines; when open fire is detected by the open fire detector 7, information is transmitted to the controller, the controller controls the dust suction pump 10 to be started, dry powder in the dry powder box 9 is pumped out, and the dry powder is conveyed into the powder conveying pipe 11 through a pipeline and sprayed out from the spray head 12, so that the purpose of fire extinguishment is achieved, an emergency effect is achieved when fire occurs, and harm loss is reduced.

In this embodiment, specifically: the positive surface of protective housing 3 articulates through the hinge has sealing door, and one side fixed mounting on sealing door positive surface has the handle of being convenient for open sealing door from protective housing 3.

In this embodiment, specifically: the base 1 is fixedly connected with the protective box 3 through bolts; put protective housing 3 on base 1 through manual to insert the bolt and rotate in the screw that 3 avris of protective housing were seted up, make and fix between protective housing 3 and the base 1, play the purpose of protecting transformer body 2.

The utility model discloses at the during operation: when an open fire is detected by the open fire detector 7, information is transmitted to the controller, the controller controls the dust suction pump 10 to be started, dry powder in the dry powder box 9 is pumped out and is conveyed into the powder conveying pipe 11 through a pipeline to be sprayed out from the spray head 12, and therefore the purpose of fire extinguishment is achieved, the emergency function is achieved when a fire disaster happens, and harm loss is reduced;

when detecting through temperature sensor 6 that the temperature in protective housing 3 reaches the range of setting, pass to the controller with information, controller control heat dissipation fan 17 starts, blow outside air into protective housing 3 inside, thereby realize the radiating purpose of transformer body 2, when cooling down blowing, through filter pulp 14 and gauze 15, carry out filtration treatment with the air that gets into in protective housing 3, prevent that the dust impurity in the air from getting into protective housing 3 in, influence the radiating efficiency of transformer body 2, reduce life, when temperature sensor 6 detects the temperature in the protective housing 3 and surpass the range of setting, pass to the controller once more with information, controller control semiconductor refrigerator 5 starts, and squeeze into air conditioning to protective housing 3 inside, thereby realize carrying out energy-conserving radiating purpose to transformer body 2, improve transformer body 2's life.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, which should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a power transformer, includes base (1), controller and fixed mounting transformer body (2) at base (1) top center and set up transformer body (2) top is used for guard box (3) and the fixed mounting that protect transformer body (2) and is in install bin (4) at guard box (3) top, its characterized in that: an emergency mechanism for preventing the transformer body (2) from being ignited and extinguishing fire is arranged at the bottom of the inner wall of the installation box (4);

the emergency mechanism comprises a dry powder box (9), a dust suction pump (10), a powder conveying pipe (11) and a spray head (12)

The rear surface of the protective box (3) is provided with a cooling mechanism for heat dissipation and dust prevention of the transformer body (2);

the cooling mechanism comprises a shell (13), filter cotton (14), gauze (15), a ventilation shell (16), a heat radiation fan (17) and a semiconductor refrigerator (5)

The inner wall top of protective housing (3) from left to right in proper order fixed mounting have temperature sensor (6), naked light detector (7), audible-visual annunciator (8), temperature sensor (6), naked light detector (7), dust absorption pump (10), heat dissipation fan (17), semiconductor cooler (5) respectively with electric connection between the controller.

2. A power transformer according to claim 1, characterised in that: the semiconductor refrigerator (5) is fixedly installed on one side of the bottom of the inner wall of the installation box (4), the refrigerating end of the semiconductor refrigerator (5) penetrates through the installation box (4) through a pipeline to extend to the inside of the protection box (3), and the heating end of the semiconductor refrigerator (5) extends to the outside of the installation box (4).

3. A power transformer according to claim 2, characterised in that: casing (13) fixed mounting be in the rear surface of guard box (3), filter pulp (14) and gauze (15) can be dismantled respectively and be connected the inner wall both sides of guard box (3), be located with gauze (15) one side of filter pulp (14).

4. A power transformer according to claim 3, characterised in that: ventilating shell (16) fixed mounting be in one side of casing (13) inner wall, heat dissipation fan (17) fixed mounting be in ventilating shell (16) inner wall one side.

5. A power transformer according to claim 4, characterised in that: the cooling mechanism further comprises a baffle (18) fixedly mounted at the top of the inner wall of the shell (13) and used for blocking rainwater.

6. A power transformer according to claim 1, characterised in that: the spray head (12) is sequentially and fixedly arranged below the outer side wall of the powder conveying pipe (11) from left to right, and two ends of the powder conveying pipe (11) are fixedly connected with two sides of the inner wall of the protection box (3).

7. A power transformer according to claim 6, characterised in that: the dry powder box (9) is fixedly arranged at the center of the bottom of the inner wall of the installation box (4), and the dust suction pump (10) is fixedly arranged at two sides of the dry powder box (9).

8. A power transformer according to claim 7, characterised in that: the input end of the dust suction pump (10) extends to the inside of the dry powder box (9), and the output end of the dust suction pump (10) penetrates through the installation box (4) and the protection box (3) through pipelines and extends to the inside of the powder conveying pipe (11).

9. A power transformer according to claim 1, characterised in that: the front surface of the protective box (3) is hinged with a sealing door through a hinge, and one side of the front surface of the sealing door is fixedly provided with a handle which is convenient to open the sealing door on the protective box (3).

10. A power transformer according to claim 1, characterised in that: the base (1) is fixedly connected with the protective box (3) through bolts.