CN215007837U

CN215007837U - Dry-type transformer with diffusion formula air inlet structure

Info

Publication number: CN215007837U
Application number: CN202120926698.5U
Authority: CN
Inventors: 孔旭
Original assignee: Shandong Huake Electric Co ltd
Current assignee: Shandong Huake Electric Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-03
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a dry-type transformer technical field, discloses a dry-type transformer with diffusion formula air inlet structure, including the casing, the inside top of casing is installed with the roof, and one side of roof is equipped with the controller, the opposite side below of roof is equipped with first temperature sensor, the below of controller is installed the support frame, the internally mounted of support frame has the motor, the one end of motor is connected with the flabellum, and the flabellum is rotatory around the tip of motor, the bottom surface in the casing is installed the bottom plate, and the bottom surface of second temperature sensor is hugged closely with the top surface of bottom plate, the utility model discloses a through being provided with flabellum, motor, controller and temperature sensor, temperature sensor responds to the change of the inside temperature of casing, when the temperature exceeds staff's setting value, the controller control motor drives the flabellum and rotates, accelerates the loss of coil surface heat, the heat dissipation effect inside the shell is improved, and the problem of local heat release is avoided.

Description

Dry-type transformer with diffusion formula air inlet structure

Technical Field

The utility model belongs to the technical field of dry-type transformer, concretely relates to dry-type transformer with diffusion formula air inlet structure.

Background

The dry-type transformer has no oil inside, so the problems of fire, explosion, pollution and the like can not occur, the dry-type transformer is also an important device of an offshore oil platform power system, and the safe and reliable operation of the dry-type transformer is the key of the operation of the power system.

In a wet salt fog marine environment, the dry type transformer is easy to have the problems of local insulation discharge and local overheating, no device for promoting heat dissipation is provided, and dust in the air can stay on the surface of the transformer, so that the structural function of the transformer is influenced, and the normal use and the service life of internal components of the transformer are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type transformer with diffusion formula air inlet structure to solve and to provide in the above-mentioned background art under moist condition, dry-type transformer radiating efficiency is low, and structural design is reasonable inadequately, influences dry-type transformer's life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dry-type transformer with diffusion formula air inlet structure, includes the casing, the roof is installed to the inside top of casing, and one side of roof is equipped with the controller, the opposite side below of roof is equipped with first temperature sensor, the support frame is installed to the below of controller, the internally mounted of support frame has the motor, the one end of motor is connected with the flabellum, and the flabellum is rotatory around the tip of motor, the below of flabellum is equipped with second temperature sensor, the bottom plate is installed to the bottom surface in the casing, and second temperature sensor's bottom surface and the top surface of bottom plate are hugged closely.

Preferably, a fixed base is bonded to the top surface of one end of the bottom plate, a first dustproof plate is mounted on the top surface of the fixed base, a second dustproof plate is mounted inside one side face, back to the first dustproof plate, of the shell, and a honeycomb hole is formed in the second dustproof plate.

Preferably, the upper end and the lower end of the second dust guard are symmetrically provided with second clamping blocks, and one end of each second clamping block is connected with the first clamping block.

Preferably, the inside mounting of casing has three coil, and is three bottom one side of coil all is connected with the wire, and the one end outer wall of wire is fixed in the side of roof.

Preferably, the foot rests are mounted at two ends of the bottom surface of the shell, and the top surfaces of the foot rests are welded with the shell.

Preferably, the outer wall surface fixed connection of first dust guard and casing, the both ends of second dust guard all with the outer wall surface block of casing.

The dry-type transformer has the advantages of strong short circuit resistance, small maintenance workload, high operation efficiency, small volume, low noise and the like, and is commonly used in places with high performance requirements on fire prevention, explosion prevention and the like

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

(1) the utility model discloses a be provided with flabellum, motor, controller and temperature sensor, the change of the inside temperature of temperature sensor response casing, after the temperature exceeded the staff setting value, controller control motor drove the flabellum and rotates for coil surface heat's loss improves the inside radiating effect of casing, avoids taking place the problem of local exothermic.

(2) The utility model discloses a be provided with unable adjustment base and dust guard in the inside of casing, when the flabellum rotated, the inside that the outside air entered into the casing through the honeycomb holes of second dust guard was dispersed again by first dust guard, effectively blockked foreign matter such as external dust and entered into the inside of casing in radiating time, prolonged casing internals's life for the inner structure of casing designs more rationally.

Drawings

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

fig. 2 is a side view of a second dust guard of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

in the figure: 1-a foot rest; 2-a bottom plate; 3-fixing the base; 4-a first dust guard; 5-a coil; 6-a first temperature sensor; 7-a housing; 8-a top plate; 9-fan blades; 10-a second dust guard; 101-a first cartridge; 11-a motor; 12-honeycomb holes; 13-a second cartridge; 14-a controller; 15-a support frame; 16-a wire; 17-a second temperature sensor.

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. 1-3, the present invention provides the following technical solutions: a dry-type transformer with a diffusion type air inlet structure comprises a shell 7, the shell 7 protects the internal structure of the dry-type transformer, so that the internal structure is not affected by the external humid environment, a top plate 8 is arranged above the inside of the shell 7, a controller 14 is arranged on one side of the top plate 8, a first temperature sensor 6 is arranged below the other side of the top plate 8, a support frame 15 is arranged below the controller 14, one end of the support frame 15 is fixedly connected with the outer wall surface of the shell 7 in an electric arc welding mode, a motor 11 is arranged inside the support frame 15, one end of the motor 11 is connected with a fan blade 9, the fan blade 9 rotates around the end of the motor 11, the fan blade 9 automatically rotates under the driving of the controller 14, the whole thickness of the fan blade 9 is not more than 10 centimeters, the fan blade 9 is made of a material with corrosion resistance and high strength, and a second temperature sensor 17 is arranged below the fan blade 9, the first temperature sensor 6 and the second temperature sensor 17 should not be arranged too close to the position near the coil 5, which is easy to affect the normal work of the fan blade 9, the bottom plate 2 is arranged on the bottom surface in the shell 7, and the bottom surface of the second temperature sensor 17 is tightly attached to the top surface of the bottom plate 2.

Further, unable adjustment base 3 bonds on the one end top surface of bottom plate 2, and first dust guard 4 is installed to unable adjustment base 3's top surface, and casing 7 has second dust guard 10 in a side internally mounted who is carried on the back of first dust guard 4, and honeycomb holes 12 have been seted up to the inside of second dust guard 10, and the dust guard can effectively block the inside that external dust got into casing 7 for dry-type transformer also can be high-efficient dustproof in the radiating.

Further, the upper and lower both ends of second dust guard 10 are all symmetrically equipped with second fixture block 13, and the one end of second fixture block 13 is connected with first fixture block 101, and first fixture block 101 adopts rubber material, and deformation can take place under the exogenic action again, help the staff to insert first fixture block 101 in casing 7 or with casing 7 separation, and the hole has been seted up in the position that the first fixture block 101 of outer wall of casing 7 corresponds, make first fixture block 101 can run through hole and casing 7 formation overall structure.

Further, the inside mounting of casing 7 has three coil 5, and bottom one side of three coil 5 all is connected with wire 16, and the outside parcel one deck insulating layer of wire 16 avoids appearing electric leakage phenomenon, has improved the stability when dry-type transformer reuses, and the side at roof 8 is fixed to the one end outer wall of wire 16.

Furthermore, foot rests 1 are installed at two ends of the bottom surface of the shell 7, the top surfaces of the foot rests 1 are welded with the shell 7, the foot rests 1 are made of hard steel materials, waterproof sealing layers are coated on the surfaces of the foot rests 1, and the dry-type transformer can be used for a long time when placed in a wet coastal area.

Further, the outer wall surface fixed connection of first dust guard 4 and casing 7, the both ends of second dust guard 10 all with the outer wall surface block of casing 7, and second dust guard 10 can be dismantled and wash, ensures that casing 7 inside air can normally circulate.

The motor 11, the first temperature sensor 6 and the second temperature sensor 17 are all electrically connected with the controller 14, the model number of the motor 11 is Y180L-4, the model numbers of the first temperature sensor 6 and the second temperature sensor 17 are CWS19, and the model number of the controller 14 is KTC-838.

The utility model discloses a theory of operation and use flow: when the utility model is used, a worker places the dry-type transformer at a designated position, the foot rest 1 is stably attached to the ground, in a normal state, the outside air enters the inside of the case 7 through the first dust-proof plate 4 and then flows out through the honeycomb holes 12 of the second dust-proof plate 10, when the first temperature sensor 6 and the second temperature sensor 17 sense the temperature rise, and the temperature inside the shell 7 exceeds the set temperature of the worker, at this time, the controller 14 controls the motor 11 to drive the fan blades 9 to rotate, the fan blades 9 generate air flow, the air flow flows towards the first dust-proof plate 4, the loss of the heat on the surface of the coil 5 is accelerated, the condition that the local temperature on the surface of the coil 5 is too high is avoided, when the temperature inside the housing 7 is reduced to the temperature set by the operator, the controller 14 controls the motor 11, and the fan blades 9 stop rotating and return to the normal state.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dry-type transformer with diffusion formula air inlet structure, includes casing (7), its characterized in that: roof (8) are installed to the inside top of casing (7), and one side of roof (8) is equipped with controller (14), the opposite side below of roof (8) is equipped with first temperature sensor (6), support frame (15) are installed to the below of controller (14), the internally mounted of support frame (15) has motor (11), the one end of motor (11) is connected with flabellum (9), and flabellum (9) are rotatory around the tip of motor (11), the below of flabellum (9) is equipped with second temperature sensor (17), bottom plate (2) are installed to the bottom surface in casing (7), and the bottom surface of second temperature sensor (17) is hugged closely with the top surface of bottom plate (2).

2. The dry-type transformer with the diffused air inlet structure as claimed in claim 1, wherein: the one end top surface of bottom plate (2) bonds unable adjustment base (3), first dust guard (4) are installed to the top surface of unable adjustment base (3), and casing (7) have second dust guard (10) in a side internally mounted who carries on the back in first dust guard (4), honeycomb holes (12) have been seted up to the inside of second dust guard (10).

3. A dry-type transformer with a diffusive air intake structure as in claim 2, wherein: and the upper end and the lower end of the second dustproof plate (10) are symmetrically provided with second clamping blocks (13), and one end of each second clamping block (13) is connected with a first clamping block (101).

4. The dry-type transformer with the diffused air inlet structure as claimed in claim 1, wherein: the inside mounting of casing (7) has three coil (5), and is three the bottom one side of coil (5) all is connected with wire (16), and the side at roof (8) is fixed to the one end outer wall of wire (16).

5. The dry-type transformer with the diffused air inlet structure as claimed in claim 1, wherein: the foot rest (1) is installed at both ends of the bottom surface of the shell (7), and the top surface of the foot rest (1) is welded with the shell (7).

6. A dry-type transformer with a diffusive air intake structure as in claim 2, wherein: the outer wall surface fixed connection of first dust guard (4) and casing (7), the both ends of second dust guard (10) all with the outer wall surface block of casing (7).