CN219373934U - Active noise reduction safety device for pumped storage power station - Google Patents

Abstract

The utility model relates to the technical field of safety protection, in particular to an active noise reduction safety protection device for a pumped storage power station, which comprises a helmet. Through using the guard casing, the acoustic celotex board of setting on the guard casing inner wall and the structure of setting as the helmet at the inboard inner shell of acoustic celotex board, wherein, the pyramid post of arranging of acoustic celotex board surface array, and set up the sound absorbing hole that runs through the acoustic celotex board on the acoustic celotex board between the clearance of each pyramid post, the laminating has set up the sound cotton between acoustic celotex board and the inner shell, the outside noise is by acoustic celotex board and the cotton separation of inhaling outside the helmet, play good noise reduction effect, through setting up the earmuff in two ear positions in the helmet, this earmuff slides and sets up on the slide bar, laminate the ear more, and set up the earphone in the bottom plate of earmuff, this earphone connects the intercom, user's usable intercom and colleague voice call, can not reduce exchange between the staff because of giving sound insulation.

Description

Active noise reduction safety device for pumped storage power station

Technical Field

The utility model relates to the technical field of safety protection, in particular to an active noise reduction safety protection device of a pumped storage power station.

Background

The pumped storage power station is a hydropower station which utilizes the electric energy in the low valley of the electric load to pump water to an upper reservoir and discharges water to a lower reservoir to generate electricity in the peak period of the electric load, is also called an energy storage hydropower station, can convert the redundant electric energy in the low load of a power grid into high-value electric energy in the peak period of the power grid, is suitable for frequency modulation, phase modulation and stabilization of the cycle and voltage of an electric power system, is suitable for accident standby, and can also improve the efficiency of a thermal power station and a nuclear power station in the system. The pumped storage power station has large capacity amplification and high development rate, technicians working in the pumped storage power station need to wear helmets to realize protection to themselves, the pumped storage power station has higher internal noise during operation, and the existing helmets have poor sound insulation effect, so that the active noise reduction safety protection device for the pumped storage power station is provided for the problems.

Disclosure of Invention

The utility model aims to provide an active noise reduction safety protection device for a pumped storage power station, which can effectively reduce the power station noise on the premise of not influencing the communication among colleagues so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an active noise reduction safety device for a pumped storage power station, comprising:

the helmet comprises a protective outer shell, sound insulation plates arranged on the inner wall of the protective outer shell and an inner shell arranged on the inner side of the sound insulation plates, pyramid columns are arranged on the surfaces of the sound insulation plates in an array mode, sound absorption holes penetrating through the sound insulation plates are formed in the sound insulation plates between gaps of the pyramid columns, and sound absorption cotton is attached between the sound insulation plates and the inner shell;

the earmuff is arranged at two ear positions of the helmet, the earmuff is arranged on a sponge cover which comprises a bottom plate and is fixedly arranged on the bottom plate, four mounting holes are formed in the inner shell and are opposite to the earmuff, sliding rods extending out of the mounting holes are arranged in the mounting holes, sliding grooves for the sliding rods to be inserted are formed in the bottom plate and opposite to the sliding rods, supporting springs are arranged between the mounting holes and the bottom plate on the sliding rods, mounting grooves are formed in the bottom plate inside the sponge cover, and headphones are arranged in the mounting grooves.

As a preferable scheme, the bottom of the helmet is provided with a neck guard extending towards the neck, and the inner side of the neck guard is provided with a binding, a binding and an soundproof cotton which extend to the inner side of the temple of the helmet and are attached to a human body.

As a preferable scheme, an inner lining frame is fixedly arranged inside the helmet on the inner side of the inner shell, and a gap is reserved between the inner lining frame and the inner shell.

As a preferable scheme, the inner wall at the rear part of the helmet is fixedly provided with an installation cavity, an interphone is arranged in the installation cavity, and an audio output interface of the interphone is connected with the earphone through an audio line.

As a preferable scheme, the side plate of the helmet side is provided with an adjusting button, and the adjusting button is an adjusting button of the extension of the interphone.

According to the technical scheme provided by the utility model, the active noise reduction safety protection device for the pumped storage power station has the beneficial effects that:

1. through the structure that uses the guard casing, the acoustic celotex board that sets up on the guard casing inner wall and the inner shell that sets up in the acoustic celotex board inboard as the helmet, wherein, the pyramid post of arranging is arranged on the acoustic celotex board surface array, and has set up the sound absorption hole that runs through the acoustic celotex board between the clearance of each pyramid post on the acoustic celotex board, has laminated between acoustic celotex board and the inner shell and has set up the sound absorption cotton, and outside noise is by acoustic celotex board and sound absorption cotton separation outside the helmet, plays good noise reduction effect;

2. through setting up the earmuff in two ear positions in the helmet inboard, this earmuff slides and sets up on the slide bar, laminating ear more, and set up the earphone in the bottom plate of earmuff, this earphone is connected the intercom, and user's usable intercom and colleague voice call can not reduce the exchange between the staff because of giving sound insulation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an active noise reduction safety device for a pumped storage power station;

FIG. 2 is a schematic diagram of the back structure of an active noise reduction safety device for a pumped storage power station according to the present utility model;

fig. 3 is a schematic view of the middle ear cover of the present utility model;

fig. 4 is a schematic diagram of an interphone installation structure in the present utility model.

In the figure: 1. a helmet; 11. neck protection; 12. wrapping edges; 13. a lining frame; 2. a protective housing; 21. an inner case; 211. a mounting hole; 22. a sound insulation board; 23. pyramid columns; 24. a sound absorbing hole; 25. sound absorbing cotton; 3. ear muffs; 31. a bottom plate; 32. a sliding groove; 33. a slide bar; 34. a support spring; 35. a sponge cover; 36. a mounting groove; 37. an earphone; 38. a sound throwing plate; 4. a mounting cavity; 41. an interphone; 42. an adjustment button.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In order to better understand the above technical solutions, the following detailed description will be given with reference to the accompanying drawings and the specific embodiments.

As shown in fig. 1-4, an embodiment of the present utility model provides an active noise reduction safety device for a pumped storage power station, including:

the helmet 1, the helmet 1 comprises a protective outer shell 2, sound insulation plates 22 arranged on the inner wall of the protective outer shell 2 and an inner shell 21 arranged on the inner side of the sound insulation plates 22, pyramid columns 23 are arranged on the surfaces of the sound insulation plates 22 in an array mode, sound absorption holes 24 penetrating through the sound insulation plates 22 are formed in the sound insulation plates 22 between gaps of the pyramid columns 23, and sound absorption cotton 25 is attached between the sound insulation plates 22 and the inner shell 21;

the earmuff 3 arranged at two ear positions of the helmet 1, the earmuff 3 comprises a bottom plate 31 and a sponge cover 35 fixedly arranged on the bottom plate 31, four mounting holes 211 are formed in the inner shell 21 and opposite to the position of the earmuff 3, sliding rods 33 extending out of the mounting holes 211 are arranged in the mounting holes 211, sliding grooves 32 for inserting the sliding rods 33 are formed in the bottom plate 31 and opposite to the sliding rods 33, supporting springs 34 are arranged between the mounting holes 211 and the bottom plate 31 on the sliding rods 33, mounting grooves 36 are formed in the bottom plate 31 inside the sponge cover 35, and earphones 37 are arranged in the mounting grooves 36.

In the above device, the bottom of the helmet 1 is provided with a neck guard 11 extending toward the neck, and the inside of the neck guard 11 is provided with a hem 12, a hem 12 and soundproof cotton which extend to the inside of the temples of the helmet 1 and are attached to the human body.

In the device, the inner lining frame 13 is fixedly arranged inside the inner shell 21 of the helmet 1, and a gap is reserved between the inner lining frame 13 and the inner shell 21.

In the device, the inner wall at the rear part of the helmet 1 is fixedly provided with the installation cavity 4, the interphone 41 is arranged in the installation cavity 4, the audio output interface of the interphone 41 is connected with the earphone 37 through an audio line, the side plate at the side of the helmet 1 is provided with the adjusting button 42, and the adjusting button 42 is an adjusting button for extending the interphone 41.

Embodiments of the present utility model will be described in further detail below with reference to the attached drawings:

referring to fig. 1-4, the helmet 1 comprises a protective outer shell 2, sound insulation plates 22 arranged on the inner wall of the protective outer shell 2, and an inner shell 21 arranged on the inner side of the sound insulation plates 22, pyramid columns 23 are arranged on the surface of the sound insulation plates 22 in an array manner, sound absorption holes 24 penetrating through the sound insulation plates 22 are formed in the sound insulation plates 22 between gaps of the pyramid columns 23, and sound absorption cotton 25 is attached between the sound insulation plates 22 and the inner shell 21;

wherein: through using the structure of protecting sheathing 2, the acoustic celotex board 22 of setting on protecting sheathing 2 inner wall and the inner shell 21 of setting inboard at acoustic celotex board 22 as helmet 1, wherein, the pyramid post 23 of arranging is arranged on acoustic celotex board 22 surface array, and has set up the sound absorption hole 24 that runs through acoustic celotex board 22 on acoustic celotex board 22 between the clearance of each pyramid post 23, laminating has set up the sound absorption cotton 25 between acoustic celotex board 22 and the inner shell 21, and outside noise is by acoustic celotex board 22 and the separation of sound absorption cotton 25 outside helmet 1, plays good noise reduction effect.

Referring to fig. 2 and 3, the earmuff 3 is arranged at two ears of the helmet 1, the earmuff 3 is arranged on a base plate 31 and a sponge cover 35 fixedly arranged on the base plate 31, four mounting holes 211 are arranged on the inner shell 21 and are opposite to the earmuff 3, sliding rods 33 extending out of the mounting holes 211 are arranged in the mounting holes 211, sliding grooves 32 for inserting the sliding rods 33 are arranged on the base plate 31 and opposite to the sliding rods 33, supporting springs 34 are arranged on the sliding rods 33 between the mounting holes 211 and the base plate 31, mounting grooves 36 are arranged on the base plate 31 in the sponge cover 35, and earphones 37 are arranged in the mounting grooves 36;

further, an installation cavity 4 is fixedly arranged on the inner wall of the rear part of the helmet 1, an interphone 41 is arranged in the installation cavity 4, an audio output interface of the interphone 41 is connected with the earphone 37 through an audio line, an adjusting button 42 is arranged on a side plate of the helmet 1, the adjusting button 42 is an adjusting button for extending the interphone 41, and the adjusting button 42 is used for adjusting and controlling channels, volume and conversation of the interphone 41;

wherein, through setting up the earmuff 3 in two ear positions in helmet 1 inboard, this earmuff 3 slides and sets up on slide bar 33, and the ear of laminating more has set up earphone 37 in the bottom plate 31 of earmuff 3, and this earphone 37 connects intercom 41, and the user can utilize intercom 41 to talk with the colleague voice, can not reduce the exchange between the staff because of giving sound insulation.

In this embodiment, the bottom of the helmet 1 is provided with a neck guard 11 extending toward the neck, and the inner side of the neck guard 11 is provided with a binding 12 extending to the inner side of the temple of the helmet 1 and attached to the human body, the binding 12 and the soundproof cotton are provided, and the arrangement of the binding 12 effectively reduces the sound from being transmitted from the bottom of the helmet 1.

In this embodiment, the inner lining 13 is fixedly disposed inside the inner shell 21 of the helmet 1, and a gap is left between the inner lining 13 and the inner shell 21.

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

Claims (5)

1. The utility model provides a safe protection device that falls of pumped storage power plant initiative which characterized in that: comprising the following steps:

the helmet (1), helmet (1) including guard casing (2), set up acoustic celotex board (22) on guard casing (2) inner wall and set up in the inboard inner shell (21) of acoustic celotex board (22), pyramid post (23) are arranged to acoustic celotex board (22) surface array, and be provided with on acoustic celotex board (22) between the clearance of each pyramid post (23) and run through acoustic hole (24) of acoustic celotex board (22), laminating is provided with between acoustic celotex board (22) and inner shell (21) and inhales sound cotton (25);

the earmuff (3) arranged at two ear positions of the helmet (1), the earmuff (3) is arranged on a sponge cover (35) which comprises a bottom plate (31) and is fixedly arranged on the bottom plate (31), four mounting holes (211) are formed in the position, which is opposite to the earmuff (3), of the inner shell (21), sliding rods (33) extending out of the mounting holes (211) are arranged in the mounting holes (211), sliding grooves (32) for the sliding rods (33) to be inserted are formed in the position, which is opposite to the sliding rods (33), of the bottom plate (31), supporting springs (34) are arranged between the mounting holes (211) and the bottom plate (31) on the sliding rods (33), mounting grooves (36) are formed in the bottom plate (31) inside the sponge cover (35), and headphones (37) are arranged in the mounting grooves (36).

2. The active noise reduction safety device for a pumped storage power station as set forth in claim 1, wherein: the utility model discloses a helmet, including helmet (1), neck (11) that extend to the neck are provided with to helmet (1) bottom, and neck (11) inboard is provided with and extends to the inboard bordure (12) of laminating with the human body of helmet (1) temple, bordure (12) and soundproof cotton.

3. The active noise reduction safety device for a pumped storage power station as set forth in claim 1, wherein: an inner lining frame (13) is fixedly arranged inside the helmet (1) at the inner side of the inner shell (21), and a gap is reserved between the inner lining frame (13) and the inner shell (21).

4. The active noise reduction safety device for a pumped storage power station as set forth in claim 1, wherein: the inner wall at the rear part of the helmet (1) is fixedly provided with an installation cavity (4), an interphone (41) is arranged in the installation cavity (4), and an audio output interface of the interphone (41) is connected with an earphone (37) through an audio line.

5. The active noise reduction safety device for a pumped storage power station as set forth in claim 1, wherein: an adjusting button (42) is arranged on the side plate of the helmet (1), and the adjusting button (42) is an adjusting button extending out of the interphone (41).