CN219106869U

CN219106869U - Ventilation, noise elimination and pressure relief structure of box-type transformer substation

Info

Publication number: CN219106869U
Application number: CN202223099164.3U
Authority: CN
Inventors: 杨继兴
Original assignee: Zhejiang Xinyuan Electric Co ltd
Current assignee: Zhejiang Xinyuan Electric Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-05-30
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a ventilation, noise elimination and pressure relief structure of a box-type transformer substation, which comprises an air outlet channel, an air inlet hopper and a baffle plate, wherein a structural plate is fixed inside the air outlet channel through bolts, snake-shaped grooves are formed in the structural plate at equal intervals, noise elimination blocks for noise elimination are welded on the inner sides of the snake-shaped grooves at equal intervals, the air inlet hopper is mounted on one side of the air outlet channel through a mounting frame, an exhaust fan is mounted inside the air inlet hopper through the mounting frame, a pressure relief opening is formed in the other side of the air inlet hopper, a screw is connected to the outer side of the pressure relief opening through a thread groove, a compression spring is sleeved on the outer side of the screw, and the baffle plate for blocking the pressure relief opening is sleeved on one end of the outer side of the screw. When the box-type transformer substation is ventilated and cooled, the noise entering the air outlet duct along with hot air can be blocked, so that the noise is weakened gradually in the spreading process, and the purposes of noise reduction and noise elimination are achieved.

Description

Ventilation, noise elimination and pressure relief structure of box-type transformer substation

Technical Field

The utility model relates to the technical field of box-type substations, in particular to a ventilation, noise elimination and pressure relief structure of a box-type substation.

Background

The box-type transformer substation is a high-voltage switch device, a distribution transformer and a low-voltage distribution device, and is prefabricated indoor and outdoor compact distribution devices of a factory which are integrated according to a certain wiring scheme, in order to ensure the temperature, the humidity and the like in the box-type transformer substation, ventilation equipment is arranged on the box-type transformer substation, and noise is generated when the ventilation equipment is exhausted.

Patent number CN202022181707.0 discloses a transformer substation with a ventilation, noise elimination and pressure relief device, wherein a box body is sleeved outside a transformer substation body to play a role in protection, and meanwhile, the box body is arranged into an inner box body and an outer box body, and a heat dissipation cavity is arranged in the box body to play a role in noise elimination; the heat dissipation device comprises a box body, a first heat dissipation hole, a second heat dissipation hole, a third heat dissipation hole, a heat dissipation pipe, a water circulation mechanism and a heat storage device, wherein the heat dissipation hole is formed in the box body; the cross sections of the first radiating holes and the second radiating holes are arranged in an splayed mode, and the third radiating holes and the fourth radiating holes are arranged in a staggered mode, so that the inner side and the outer side of the box body are communicated through a bent channel, rapid heat dissipation can be achieved, and the effects of dust prevention and sound insulation can be achieved.

The existing box-type transformer substation ventilating, silencing and pressure releasing structure is characterized in that: the overall structure is complicated, and noise reduction structures are not arranged on the inner box body, the outer box body and the ceiling, so that noise in the power substation is easy to spread during heat dissipation and exhaust. Therefore, we propose a box-type substation ventilation noise elimination pressure release structure.

Disclosure of Invention

The utility model mainly aims to provide a ventilation, noise elimination and pressure relief structure of a box-type transformer substation, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a box-type substation ventilates noise elimination pressure release structure, includes air-out wind channel, air inlet scoop and baffle, there is the structural slab inside through the bolt fastening in air-out wind channel, the snakelike groove has been seted up to the inside equidistance of structural slab, the inboard equidistance welding of snakelike groove has the amortization piece that is used for the amortization, air-out wind channel one side is through the mounting bracket mounting the air inlet scoop, the air inlet scoop is inside installs the air extraction fan through the mounting bracket, the pressure release mouth has been seted up to the air inlet scoop opposite side, the pressure release mouth outside is connected with the screw rod through the thread groove, the outside cover of screw rod is equipped with compression spring, a cover in the screw rod outside is equipped with the baffle that is used for shutoff pressure release mouth.

Further, a sealing gasket is glued on one side of the baffle plate.

Further, an air inlet dust screen is fixed on one side of the air inlet hopper through bolts.

Further, the air outlet duct is made of glass fiber materials.

Further, an air outlet box is welded on one side of the bottom of the air outlet air duct, and an air outlet dust screen is fixed on one side of the air outlet box through bolts; the dust-proof net can be used for dust, impurity and the like to enter the air outlet channel through the air outlet box.

Compared with the prior art, the utility model has the following beneficial effects:

through the gaseous and heat extraction in the box-type transformer substation of air extraction fan, reach ventilation, the heat dissipation purpose, when the noise in entering air-out wind channel along with steam propagates in the snake-shaped groove, by the amortization piece blocking, make to weaken gradually, reach the purpose of making an uproar, amortization, when box-type transformer substation internal pressure is great, can promote the baffle, pressure can follow the discharge of pressure release mouth, reaches the pressure release purpose.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a ventilation, noise elimination and pressure relief structure of a box-type substation.

Fig. 2 is a schematic diagram of the internal structures of an air outlet duct and an air inlet hopper of the ventilation, noise elimination and pressure relief structure of the box-type transformer substation.

Fig. 3 is a schematic diagram of the internal structure of a baffle of the ventilation, noise elimination and pressure relief structure of the box-type substation.

Fig. 4 is a schematic diagram of a baffle structure of a ventilation, noise elimination and pressure relief structure of a box-type substation.

In the figure: 1. an air outlet duct; 2. an air inlet scoop; 3. a baffle; 4. a structural panel; 5. an exhaust fan; 6. a pressure relief port; 7. a screw; 8. an air inlet dust screen; 9. an air outlet box; 10. an air outlet dust screen; 11. a serpentine slot; 12. a sound attenuation block; 13. a sealing gasket; 14. compressing the spring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a box-type transformer substation ventilation noise elimination pressure relief structure, including air-out wind channel 1, air inlet fill 2 and baffle 3, the inside structural slab 4 that has passed through of air-out wind channel 1, the inside equidistance of structural slab 4 has been seted up snake-shaped groove 11, the inboard equidistance welding of snake-shaped groove 11 has the amortization piece 12 that is used for amortization, air inlet fill 2 is installed through the mounting bracket in air-out wind channel 1 one side, air inlet fill 2 is inside installs air extraction fan 5 through the mounting bracket, air inlet fill 2 opposite side has seted up pressure relief mouth 6, the pressure relief mouth 6 outside is connected with screw 7 through the screw groove, screw 7 outside cover is equipped with compression spring 14, a pot head in the screw 7 outside is equipped with the baffle 3 that is used for shutoff pressure relief mouth 6.

Wherein, a sealing gasket 13 is glued on one side of the baffle 3.

In this embodiment, as shown in fig. 4, the sealing pad 13 is disposed so that the baffle 3 can effectively seal the pressure relief opening 6.

Wherein, air inlet dust screen 8 is fixed with through the bolt to air inlet hopper 2 one side.

In this embodiment, as shown in fig. 2, the air inlet dust screen 8 is provided to prevent impurities and the like in the box-type substation from entering the air inlet hopper 2.

Wherein, the air outlet duct 1 is made of glass fiber materials.

In this embodiment, as shown in fig. 1, the air outlet duct 1 made of glass fiber material has high strength and good corrosion resistance.

The air outlet box 9 is welded on one side of the bottom of the air outlet air duct 1, and an air outlet dust screen 10 is fixed on one side of the air outlet box 9 through bolts.

In this embodiment, as shown in fig. 1, the air outlet box 9 is arranged to facilitate the heat and gas entering the air outlet duct 1 to be exhausted.

The utility model relates to a ventilation, noise elimination and pressure relief structure of a box-type transformer substation, when the ventilation, noise elimination and pressure relief structure is used, a person installs an air outlet air duct 1 on the outer side of the box-type transformer substation, an air inlet hopper 2 is installed on the inner side of the box-type transformer substation and is connected with the air outlet air duct 1, the device is connected with an external power supply by using a power line, an exhaust fan 5 is opened to enable heat and gas in the box-type transformer substation to be pumped into the air outlet air duct 1, the heat and gas flow out of an air outlet box 9 through a plurality of snake-shaped grooves 11, noise entering the air outlet air duct 1 along with the heat is transmitted in the snake-shaped grooves 11, the noise elimination block 12 is blocked, the noise is gradually weakened, the purposes of noise reduction and noise elimination are achieved, when the pressure in the box-type transformer substation is larger, the pressure enters the air outlet air duct 1 with larger pressure, the baffle 3 is pushed to leave the pressure relief opening 6, the pressure can be discharged from the pressure outlet 6, the pressure is relieved, the purpose is achieved, and a compression spring 14 on the outer side of the screw 7 can push the baffle 3 to be tightly cling to the pressure opening 6, and seal the pressure opening 6.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a box-type substation ventilates noise elimination pressure release structure, includes air-out wind channel (1), air inlet fill (2) and baffle (3), its characterized in that: the novel air conditioner is characterized in that a structural plate (4) is fixed inside the air outlet air duct (1) through bolts, a snake-shaped groove (11) is formed in the structural plate (4) at equal intervals, a silencing block (12) used for silencing is welded on the inner side of the snake-shaped groove (11) at equal intervals, an air inlet hopper (2) is mounted on one side of the air outlet air duct (1) through a mounting frame, an exhaust fan (5) is mounted inside the air inlet hopper (2) through the mounting frame, a pressure relief opening (6) is formed in the other side of the air inlet hopper (2), a screw (7) is connected to the outer side of the pressure relief opening (6) through a threaded groove, a compression spring (14) is sleeved on the outer side of the screw (7), and a baffle (3) used for blocking the pressure relief opening (6) is sleeved on one end of the outer side of the screw (7).

2. The ventilation, noise elimination and pressure relief structure for box-type substation according to claim 1, wherein: one side of the baffle plate (3) is glued with a sealing gasket (13).

3. The ventilation, noise elimination and pressure relief structure for box-type substation according to claim 1, wherein: one side of the air inlet hopper (2) is fixed with an air inlet dust screen (8) through bolts.

4. The ventilation, noise elimination and pressure relief structure for box-type substation according to claim 1, wherein: the air outlet duct (1) is made of glass fiber materials.

5. The ventilation, noise elimination and pressure relief structure for box-type substation according to claim 1, wherein: an air outlet box (9) is welded on one side of the bottom of the air outlet air duct (1), and an air outlet dust screen (10) is fixed on one side of the air outlet box (9) through bolts.