CN214577946U

CN214577946U - Photovoltaic board blows amortization structure

Info

Publication number: CN214577946U
Application number: CN202022652972.2U
Authority: CN
Inventors: 常战
Original assignee: Wuxi Yuanchuang Intelligent Photoelectric Technology Co ltd
Current assignee: Wuxi Yuanchuang Intelligent Photoelectric Technology Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-11-02
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a blowing silencing structure of a photovoltaic panel, which comprises a fan, a silencing structure and a blowing pipe; an air inlet pipe of the fan is connected to an air inlet end of the silencing structure, and an air outlet end of the silencing structure is connected to the blowing pipe; the silencing structure comprises a silencing shell, a front air inlet pipe, an air outlet tail pipe and a composite silencing structure; an air outlet tail pipe and a composite silencing structure are arranged in the silencing shell; the air inlet end of the front air inlet pipe is connected to the air inlet pipe, and the air outlet end of the front air inlet pipe is connected to the air inlet end of the air outlet tail pipe; the composite silencing structure comprises a plurality of resistive sound-absorbing sleeves and a plurality of resistive sound-absorbing sleeves, wherein the resistive sound-absorbing sleeves are sleeved on the periphery of the pipe wall of the air outlet tail pipe at intervals along the exhaust direction of the air outlet tail pipe; and the air outlet end of the air outlet tail pipe is connected with the air inlet end of the blowing pipe.

Description

Photovoltaic board blows amortization structure

Technical Field

The utility model relates to a photovoltaic capability test technical field especially relates to a photovoltaic board blows amortization structure.

Background

The generated power of the photovoltaic cell panel can be determined only by performing performance test when the photovoltaic cell panel leaves a factory, and the generated power of the photovoltaic cell panel is measured by irradiating the photovoltaic cell panel by using an irradiation assembly; in order to ensure the accuracy of the test, the battery panel is generally blown by blowing equipment before the test, so that dust and debris possibly accumulated on the surface are removed, and the test result is prevented from generating deviation due to the influence of a shielding object; because the noise generated during blowing is large, and the staff needs to work in a dark room for a long time, the working efficiency and the hearing of the staff can be influenced.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the not enough of existence among the prior art, the utility model provides a noise that amortization structure can effectively weaken the production of blowing is blown to the photovoltaic board.

The technical scheme is as follows: in order to achieve the above object, the utility model discloses a photovoltaic board blows amortization structure, including fan, amortization structure and blowing pipe; an air inlet pipe of the fan is connected to an air inlet end of the silencing structure, and an air outlet end of the silencing structure is connected to the blowing pipe; the silencing structure comprises a silencing shell, a front air inlet pipe, an air outlet tail pipe and a composite silencing structure; an air outlet tail pipe and a composite silencing structure are arranged in the silencing shell; the air inlet end of the front air inlet pipe is connected to the air inlet pipe, and the air outlet end of the front air inlet pipe is connected to the air inlet end of the air outlet tail pipe; the composite silencing structure comprises a plurality of resistive sound-absorbing sleeves and a plurality of resistive sound-absorbing sleeves, wherein the resistive sound-absorbing sleeves are sleeved on the periphery of the pipe wall of the air outlet tail pipe at intervals along the exhaust direction of the air outlet tail pipe; and the air outlet end of the air outlet tail pipe is connected with the air inlet end of the blowing pipe.

Furthermore, the resistive sound absorption sleeve comprises a primary sound absorption coil, a secondary sound absorption coil and a sound resistance beam; the first-stage voice coil is attached to and sleeved on the peripheral side of the pipe wall of the tail gas outlet pipe, and a rubber gasket is clamped between the first-stage voice coil and the peripheral side of the pipe wall of the tail gas outlet pipe; the voice coil loudspeaker voice coil is inhaled to the one-level of inhaling sound circle clearance cover is located to the second grade, the sound blocking roof beam supports to be located the second grade and inhales the voice coil loudspeaker voice coil and the one-level clearance of inhaling the voice coil loudspeaker voice coil, the last pad that props of sound blocking roof beam is connected in the second grade and inhales the voice coil loudspeaker voice coil, the lower pad that props of sound blocking roof beam is connected in the one-level and inhales the voice coil loudspeaker voice coil.

Furthermore, a plurality of sound-proof columns are arranged between the upper support pad and the lower support pad; the sound-proof column is provided with a plurality of column holes along the length direction, and the inner wall of each column hole is provided with a plurality of column grooves along the circumferential direction; the damping device is characterized in that a damping strip is arranged in the column hole, a plurality of damping plates are arranged on the periphery of the damping strip, one end of each damping plate is connected to the corresponding damping strip, and the other end of each damping plate is embedded in the column groove in a clearance mode.

Furthermore, the pipe wall of the tail gas outlet pipe is provided with a through hole which is communicated with the reactive muffler pipe and the tail gas outlet pipe; the inner wall of the resistant silencing pipe is provided with a plurality of sound resisting pyramids, the sound resisting pyramid main body is of a rectangular pyramid structure, and the sound resisting surfaces of the sound resisting pyramids are provided with reflecting grooves.

Further, the lengths of a plurality of the reactive muffling tubes are gradually shortened in the exhaust direction of the exhaust tail pipe.

Has the advantages that: the utility model discloses a noise that amortization structure can effectively weaken the production of blowing is blown to photovoltaic board, including but not limited to following technological effect:

1) a local echo chamber can be formed through a gap between the secondary voice absorption coil and the primary voice absorption coil, so that the energy of noise can be effectively reduced;

2) the application range of noise frequency can be improved by arranging the reactive silencing pipes with various lengths, so that the noise with high frequency or low frequency has good silencing capability.

Drawings

FIG. 1 is a structural diagram of the present invention;

FIG. 2 is a structural diagram of the noise reduction structure of the present invention;

FIG. 3 is a structural diagram of the resistive sound-absorbing sleeve of the present invention;

FIG. 4 is a structural view of the sound-blocking beam of the present invention;

fig. 5 is a structure view of the sound-proof pyramid of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in the attached figures 1-5: a blowing silencing structure of a photovoltaic panel comprises a fan 4, a silencing structure and a blowing pipe 5; an air inlet pipe 41 of the fan 4 is connected to an air inlet end of a silencing structure, and an air outlet end of the silencing structure is connected to the blowing pipe 5; the silencing structure comprises a silencing shell 11, a front air inlet pipe 12, an air outlet tail pipe 13 and a composite silencing structure; an air outlet tail pipe 13 and a composite silencing structure are arranged in the silencing shell 11; the air inlet end of the front air pipe 12 is connected to the air inlet pipe 41, and the air outlet end of the front air pipe 12 is connected to the air inlet end of the air outlet tail pipe 13; the composite silencing structure comprises a resistive silencing pipe 2 and a resistive silencing sleeve 3, the resistive silencing sleeve 3 is sleeved on the periphery of the pipe wall of the air outlet tail pipe 13 at intervals along the exhaust direction of the air outlet tail pipe 13, the resistive silencing pipe 2 is arranged on the outer side of the pipe wall of the air outlet tail pipe 13 in an opposite mode, and the resistive silencing pipe 2 is arranged between the adjacent resistive silencing sleeves 3; the air outlet end of the air outlet tail pipe 13 is connected with the air inlet end of the blowing pipe 5; the fan 4 sends air into the front air inlet pipe 12 and then enters the tail air outlet pipe 13, and the composite noise reduction structure reduces noise of tail gas in the tail air outlet pipe 13 to the lowest degree after the air finally enters the blowing pipe 5 and is blown out; the resistance silencing pipe 2 mainly reflects and filters noise with corresponding frequency to sound waves back and forth in the pipe, and the resistance sound-absorbing sleeve 3 mainly reduces the noise in modes of sound-absorbing materials, shock absorption and the like; through will reactive muffler pipe 2 interval sets up the extension scope of action, makes reactive muffler pipe 2 can adapt to the noise of wider range frequency, strengthens the noise cancelling effect.

The resistive sound absorption sleeve 3 comprises a primary sound absorption coil 31, a secondary sound absorption coil 32 and a resistive beam 33; the first-stage voice coil 31 is fitted and sleeved on the periphery of the pipe wall of the tail gas outlet pipe 13, and a rubber gasket is clamped between the first-stage voice coil 31 and the periphery of the pipe wall of the tail gas outlet pipe 13; the second-stage voice absorbing coil 32 is sleeved in the first-stage voice absorbing coil 31 in a clearance mode, the sound blocking beam 33 is supported and arranged in the clearance between the second-stage voice absorbing coil 32 and the first-stage voice absorbing coil 31, the upper supporting pad 331 of the sound blocking beam 33 is connected to the second-stage voice absorbing coil 32, and the lower supporting pad 332 of the sound blocking beam 33 is connected to the first-stage voice absorbing coil 31; the primary sound absorbing coil 31 and the secondary sound absorbing coil 32 are made of sound absorbing materials, and the rubber gasket is used for filling a gap between the primary sound absorbing coil 31 and the tail pipe 13, so that the vibration of noise in the tail pipe 13 is more easily transmitted to the primary sound absorbing coil 31; the gap between the secondary voice coil 32 and the primary voice coil 31 can form a local echo chamber, and the energy of noise can be effectively reduced.

A plurality of sound-proof columns 34 are arranged between the upper supporting pad 331 and the lower supporting pad 332; the sound-proof column 34 is provided with a plurality of column holes 341 along the length direction, and the inner wall of the column hole 341 is provided with a plurality of column grooves 342 along the circumferential direction; a damping strip 343 is arranged in the column hole 341, a plurality of damping plates 344 are arranged on the periphery of the damping strip 343, one end of each damping plate 344 is connected to the damping strip 343, and the other end of each damping plate 344 is embedded in the column groove 342 in a clearance manner; the damping strip 343 is embedded in the middle of the plurality of column grooves 342 and has a gap, so that the damping strip can move in a small range; when noise vibration is transmitted to the column hole 341, since the damping strip 343 is movable, energy caused by partial vibration is absorbed by the damping strip 343, and vibration generated by noise is reduced, thereby effectively reducing noise.

The pipe wall of the tail pipe 13 is provided with a through hole which is communicated with the reactive silencing pipe 2 and the tail pipe 13; the inner wall of the reactive silencing pipe 2 is provided with a plurality of sound resisting pyramids 21, the main bodies of the sound resisting pyramids 21 are of rectangular pyramid structures, and the sound resisting surfaces 211 of the sound resisting pyramids 21 are provided with reflecting grooves 212; the sound-resistant pyramid 21, due to the plurality of reflecting grooves 212, can reflect the sound wave back and forth and consume energy in the process.

The lengths of a plurality of the reactive muffling pipes 2 are gradually shortened in the exhaust direction of the tail pipe 13; the reactive muffling pipes 2 with different lengths have different corresponding frequencies for sound wave filtering, and the reactive muffling pipes 2 with various lengths can be arranged to improve the application range of noise frequency, so that the noise with high frequency or low frequency has good muffling capacity.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a photovoltaic board blows amortization structure which characterized in that: comprises a fan (4), a silencing structure and a blowing pipe (5); an air inlet pipe (41) of the fan (4) is connected to an air inlet end of the silencing structure, and an air outlet end of the silencing structure is connected to the blowing pipe (5); the silencing structure comprises a silencing shell (11), a front air inlet pipe (12), an air outlet tail pipe (13) and a composite silencing structure; an air outlet tail pipe (13) and a composite silencing structure are arranged in the silencing shell (11); the air inlet end of the front air inlet pipe (12) is connected to the air inlet pipe (41), and the air outlet end of the front air inlet pipe (12) is connected to the air inlet end of the air outlet tail pipe (13); the composite silencing structure comprises a plurality of resistive silencing pipes (2) and resistive silencing sleeves (3), the resistive silencing sleeves (3) are sleeved on the peripheral side of the pipe wall of the air outlet tail pipe (13) at intervals along the exhaust direction of the air outlet tail pipe (13), the resistive silencing pipes (2) are oppositely arranged on the outer side of the pipe wall of the air outlet tail pipe (13), and the resistive silencing pipes (2) are arranged between the adjacent resistive silencing sleeves (3); the air outlet end of the air outlet tail pipe (13) is connected with the air inlet end of the blowing pipe (5).

2. A photovoltaic panel blowing noise reduction structure according to claim 1, characterized in that: the resistive sound absorption sleeve (3) comprises a primary sound absorption coil (31), a secondary sound absorption coil (32) and a resistive beam (33); the first-stage voice coil (31) is attached to and sleeved on the peripheral side of the pipe wall of the tail gas outlet pipe (13), and a rubber gasket is clamped between the first-stage voice coil (31) and the peripheral side of the pipe wall of the tail gas outlet pipe (13); the second grade is inhaled voice coil (32) clearance cover and is located one-level and inhale voice coil (31), hinder tone roof beam (33) support to locate the second grade and inhale voice coil (32) and one-level and inhale the clearance of voice coil (31), the last pad (331) of hindering tone roof beam (33) connect in the second grade and inhale voice coil (32), the lower pad (332) of hindering tone roof beam (33) connect in one-level and inhale voice coil (31).

3. A photovoltaic panel blowing noise reduction structure according to claim 2, characterized in that: a plurality of sound-proof columns (34) are arranged between the upper support pad (331) and the lower support pad (332); the sound-proof column (34) is provided with a plurality of column holes (341) along the length direction, and a plurality of column grooves (342) are formed in the inner wall of each column hole (341) along the circumferential direction; a damping strip (343) is arranged in the column hole (341), a plurality of damping plates (344) are arranged on the periphery of the damping strip (343), one end of each damping plate (344) is connected to the damping strip (343), and the other end of each damping plate is embedded in the column groove (342) in a clearance mode.

4. A photovoltaic panel blowing noise reduction structure according to claim 1, characterized in that: the pipe wall of the air outlet tail pipe (13) is provided with a through hole which is communicated with the reactive silencing pipe (2) and the air outlet tail pipe (13); the inner wall of the reactive silencing pipe (2) is provided with a plurality of sound resisting pyramids (21), the main bodies of the sound resisting pyramids (21) are of rectangular pyramid structures, and the sound resisting surfaces (211) of the sound resisting pyramids (21) are provided with reflecting grooves (212).

5. The blowing noise reduction structure for photovoltaic panels according to claim 4, wherein: the lengths of the plurality of the reactive silencing tubes (2) are gradually shortened in the exhaust direction of the exhaust tail tube (13).