CN113699906B

CN113699906B - Photovoltaic sound baffle

Info

Publication number: CN113699906B
Application number: CN202111053748.4A
Authority: CN
Inventors: 代松; 周海亮; 张翼飞; 苏红月; 李树旗
Original assignee: Baoding Jiasheng Photovoltaic Technology Co Ltd
Current assignee: Baoding Jiasheng Photovoltaic Technology Co Ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-12-30
Anticipated expiration: 2041-09-09
Also published as: CN113699906A

Abstract

The invention discloses a photovoltaic sound baffle, which comprises a cement base station, wherein the top end of the cement base station is relatively provided with two stand columns, the two stand columns are both provided with chutes, a noise reduction assembly is arranged between the two stand columns, two sides of the noise reduction assembly are respectively abutted against the two stand columns, and the bottom end of the noise reduction assembly is abutted against the cement base station; the subassembly of making an uproar falls including relative sound baffle and the photovoltaic board that sets up, is formed with the cavity between sound baffle and the photovoltaic board, and the sound baffle is located the spout, and sound baffle top rigid coupling has the backup pad, and the photovoltaic board is provided with the frame outward, and the frame top is provided with the setting element, setting element top and backup pad bottom butt, and the frame passes through the setting element and can dismantle with the sound baffle and be connected setting element and cavity intercommunication. The photovoltaic panel and the sound barrier panel can be combined, the photovoltaic panel not only plays a role in power generation, but also can improve the noise reduction effect, and the photovoltaic panel is convenient to detach and mount, is convenient for workers to maintain, and further improves the working efficiency.

Description

Photovoltaic sound baffle

Technical Field

The invention relates to the technical field of municipal roads, in particular to a photovoltaic sound baffle.

Background

Along with the rapid development of economy in China, the living standard of people is continuously improved, the awareness of environmental protection is continuously strengthened, the problem of road noise pollution is the first problem to be solved by people, in order to solve the problem of road noise pollution, sound baffles are often installed on two sides of a road to reduce noise so as to improve the living quality of residents on two sides of the road, the conventional road sound baffles have the noise reduction function, the influence of noise emitted by a noise source on a sensitive point is absorbed and blocked, the decibel value of the sensitive area is reduced to a certain degree, and therefore the protection area is in a comfortable and quiet environment. On the basis, in order to improve the space utilization rate of the road sound baffle, the photovoltaic panel is arranged on the road sound baffle to generate electricity, so that the effects of energy conservation and environmental protection are achieved.

However, in the prior art, the photovoltaic panel and the road sound baffle are combined, but in the device, the photovoltaic panel only plays a role in power generation, the road sound baffle only plays a role in sound insulation and noise reduction, the two work independently without mutual influence, the surface of the photovoltaic panel is made of toughened glass, and the toughened glass has a function of reflecting sound waves due to the fact that the toughened glass is high in density, so that the photovoltaic panel and the road sound baffle are combined, power generation can be achieved, and the noise reduction effect can be improved.

In addition, the device that current photovoltaic board and road sound baffle combine is connected complicacy, when the photovoltaic board appears damaging and need maintain or change, is difficult to dismantle and install the photovoltaic board, has reduced the change efficiency of photovoltaic board, and then has increased the use cost of photovoltaic board.

Disclosure of Invention

The invention aims to provide a photovoltaic sound barrier, which solves the problems in the prior art, can combine the photovoltaic panel and the sound barrier, has the power generation function and can improve the noise reduction effect, and the photovoltaic panel is convenient to disassemble and assemble, is convenient for workers to maintain and further improves the working efficiency.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a photovoltaic sound baffle, which comprises a cement base station, wherein the top end of the cement base station is oppositely provided with two upright posts, the two upright posts are both provided with a sliding groove,

a noise reduction assembly is arranged between the two stand columns, two sides of the noise reduction assembly are respectively abutted against the two stand columns, and the bottom end of the noise reduction assembly is abutted against the cement base station;

the noise reduction assembly comprises a sound barrier plate and a photovoltaic plate which are oppositely arranged, a cavity is formed between the sound barrier plate and the photovoltaic plate, the sound barrier plate is located in the chute, a supporting plate is fixedly connected to the top end of the sound barrier plate, an outer frame is arranged outside the photovoltaic plate, a positioning piece is arranged at the top end of the outer frame, the top end of the positioning piece is abutted to the bottom end of the supporting plate, the outer frame is detachably connected with the sound barrier plate through the positioning piece, and the positioning piece is communicated with the cavity;

the upright post is provided with a clamping piece, and the clamping piece is abutted to one side, far away from the sound baffle, of the outer frame.

Preferably, the setting element is including setting up the locating plate on frame top, the locating plate top with backup pad bottom butt, the locating plate is kept away from the mounting groove has been seted up to one side of sound baffle, be provided with the slide button in the mounting groove, the slide button rigid coupling has the locating lever, the locating plate is close to the constant head tank has been seted up to one side of sound baffle, the rigid coupling has the locating piece on the sound baffle, the locating hole has been seted up on the locating piece, the locating piece is located in the constant head tank, the locating lever passes the locating hole, just the locating lever with the locating piece sliding connection.

Preferably, an air suction plug is arranged in the mounting groove, the air suction plug is communicated with the cavity, and the sliding button is abutted to the air suction plug.

Preferably, the holder include with the stand rotates the rotor plate of being connected, the through-hole has been seted up on the rotor plate, the sliding joint has a piston barrel in the through-hole, the piston barrel runs through the frame with the cavity intercommunication, be provided with the piston in the piston barrel, the piston rigid coupling has the piston rod, the terminal rigid coupling of piston rod has the connecting rod, the piston barrel is kept away from the spacing groove has been seted up to the one end of frame, the connecting rod is located the spacing inslot, the rigid coupling has the link on the connecting rod, the terminal rigid coupling of link has the clamp plate, the clamp plate with the frame butt.

Preferably, the rigid coupling has the fixed plate on the stand, the rigid coupling has two connecting blocks on the fixed plate, two it has the bull stick to run through on the connecting block, the bull stick with two the connecting block rotates to be connected, the rigid coupling has the swivel on the bull stick, the swivel with the rotor plate rigid coupling.

Preferably, a limiting plate is fixedly connected to the upright column, the limiting plate is located between the outer frame and the sound baffle, and the limiting plate is abutted to the outer frame.

Preferably, the sound baffle includes the baffle and sets up sound absorbing material layer on the baffle, the baffle is located in the spout and with the stand butt, sound absorbing material layer is located the photovoltaic board with between the baffle.

Preferably, the partition board is an acrylic board, and the sound-absorbing material layer is a rubber board.

Preferably, the joints of the outer frame and the upright posts, the joints of the positioning plate and the outer frame, and the joints of the supporting plates are all provided with sealing glue layers.

Preferably, the noise reduction assembly is provided with a plurality of noise reduction assemblies from bottom to top, the top end of each noise reduction assembly is abutted against the bottom end of the adjacent noise reduction assembly, and the lowest end of each noise reduction assembly is abutted against the cement base.

The invention discloses the following technical effects:

1. through the combination of sound baffle and photovoltaic board, the photovoltaic board absorbs solar energy and generates electricity, and because the photovoltaic board comprises the great toughened glass of density, the noise that the vehicle produced at first carries out some reflection through the photovoltaic board, reflects or absorbs the remaining noise through the sound baffle afterwards, improves the noise reduction effect.

2. Through setting up setting element and holder for photovoltaic board can be dismantled with the sound baffle and be connected, improves the fastness of photovoltaic board, when arbitrary photovoltaic board need be dismantled and maintain or change, need not remove other photovoltaic boards adjacent with this photovoltaic board, only need dismantle wait to maintain or change the photovoltaic board can, change simply the practicality height.

3. Because setting element and holder all communicate with the cavity, when fixing the photovoltaic board, can extract the air in the cavity, the reduction of air in the cavity has improved the fixed effect of holder to the frame of photovoltaic board, simultaneously, because the reduction of air in the cavity for the noise is difficult for propagating, further improvement the noise reduction effect.

Drawings

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

Fig. 1 is a perspective view of a photovoltaic panel in an installed state;

FIG. 2 is a perspective view of the clamp of FIG. 1 in the condition shown;

fig. 3 is a perspective view of the photovoltaic panel in a disassembled state;

FIG. 4 is a perspective view of the clamp of FIG. 3;

FIG. 5 is a perspective view of the positional relationship of the photovoltaic panel and the spacer;

FIG. 6 is a perspective view of the clamp;

FIG. 7 is a schematic structural view of a piston cylinder;

FIG. 8 is a schematic structural view illustrating an unset state of a positioning member;

FIG. 9 is a schematic view of a positioning member in a positioning state

FIG. 10 is a perspective view of the positional relationship of the stop and the stop;

the concrete structure comprises 1-a cement base platform, 2-a vertical column, 3-a sliding chute, 4-a photovoltaic panel, 5-a cavity, 6-a supporting plate, 7-an outer frame, 8-a positioning plate, 9-a mounting groove, 10-a sliding button, 11-a positioning rod, 12-a positioning groove, 13-a positioning block, 14-a positioning hole, 15-an air suction plug, 16-a rotating plate, 17-a through hole, 18-a piston cylinder, 19-a piston, 20-a piston rod, 21-a connecting rod, 22-a limiting groove, 23-a connecting block, 24-a pressing plate, 25-a connecting block, 26-a rotating rod, 27-a rotating ring, 28-a limiting plate, 29-a partition plate, 30-a sound absorption material layer, 31-a bolt, 32-a fixing plate, 33-a motion cavity, 34-a communicating hole, 35-a stop block and 36-a stop block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The invention provides a photovoltaic sound baffle, which comprises a cement base station 1, wherein the top end of the cement base station 1 is oppositely provided with two upright posts 2, the two upright posts 2 are respectively provided with a sliding chute 3, a noise reduction assembly is arranged between the two upright posts 2, two sides of the noise reduction assembly are respectively abutted against the two upright posts 2, and the bottom end of the noise reduction assembly is abutted against the cement base station 1; the noise reduction assembly comprises a sound barrier plate and a photovoltaic plate 4 which are oppositely arranged, a cavity 5 is formed between the sound barrier plate and the photovoltaic plate 4, the sound barrier plate is positioned in the chute 3, the top end of the sound barrier plate is fixedly connected with a supporting plate 6, an outer frame 7 is arranged outside the photovoltaic plate 4, the top end of the outer frame 7 is provided with a positioning piece, the top end of the positioning piece is abutted against the bottom end of the supporting plate 6, the outer frame 7 is detachably connected with the sound barrier plate through the positioning piece, and the positioning piece is communicated with the cavity 5; be provided with the holder on the stand 2, the holder is kept away from one side butt of sound baffle with frame 7, holder and cavity 5 intercommunication.

In order to protect photovoltaic board 4, generally at the outer parcel frame 7 of photovoltaic board 4, frame 7 is mostly aluminium system material, when the subassembly of making an uproar falls in needs installation, at first place the sound baffle in spout 3 and slide to bottom and cement base station 1 butt, and at sound baffle top installation backup pad 6, place photovoltaic board 4 in preset position behind the 4 top installation setting elements of photovoltaic board, make photovoltaic board 4 be connected with the sound baffle through the setting element, the setting element top is connected with 6 bottom butts of backup pad this moment, place the holder on frame 7 afterwards, above-mentioned step is accomplished the back, because setting element and cavity 5 intercommunication, extract the air in cavity 5 through the setting element, the air in cavity 5 reduces, make the holder carry out the clamping operation to frame 7, the subassembly installation of making an uproar falls finishes.

When photovoltaic panel 4 needs to be changed, through injecting the air into cavity 5 of setting element, the centre gripping piece descends the centre gripping effect to frame 7 in the injection of air, removes the setting element afterwards and is connected with the sound baffle, changes photovoltaic panel 4.

Further optimize the scheme, the setting element is including setting up locating plate 8 on frame 7 top, 8 tops of locating plate and 6 bottom butts of backup pad, mounting groove 9 has been seted up to one side that locating plate 8 keeps away from the sound baffle, be provided with slide button 10 in the mounting groove 9, slide button 10 rigid coupling has locating lever 11, locating plate 8 has been close to one side of sound baffle and has been seted up constant head tank 12, the rigid coupling has locating piece 13 on the sound baffle, locating hole 14 has been seted up on locating piece 13, locating piece 13 is located constant head tank 12, locating lever 11 passes locating hole 14, and locating lever 11 and locating piece 13 sliding connection.

A movement cavity 33 is formed in the positioning plate 8, and the positioning rod 11 is located in the movement cavity 33. Drive locating lever 11 through removing slide button 10 and move for locating lever 11 moves in motion chamber 33, when frame 7 is connected state with the sound baffle, locating piece 13 is located constant head tank 12 this moment, locating lever 11 passes locating hole 14 and makes frame 7 and sound baffle can not take place relative motion, accomplish the fixed to photovoltaic board 4, when photovoltaic board 4 need be taken off, through removing slide button 10, make locating lever 11 leave locating hole 14, photovoltaic board 4 can dismantle the change this moment, its dismantlement process is convenient, therefore, the practicality is high.

Further optimizing the scheme, be provided with the bleed cock 15 in the mounting groove 9, bleed cock 15 and cavity 5 intercommunication. Air is pumped or injected into the cavity 5 through the air pumping plug 15, when the air in the cavity 5 is reduced, the medium for noise propagation is reduced, and the noise reduction effect is improved. A protective cover (not shown) may be provided over the suction plug 15 to reduce the possibility of air leakage from the suction plug 15 and to prevent dust from entering the suction plug 15.

Further optimize the scheme, the holder includes the rotor plate 16 of being connected with stand 2 rotation, the through-hole 17 has been seted up on the rotor plate 16, it has piston barrel 18 to connect to slide in the through-hole 17, piston barrel 18 runs through frame 7 and cavity 5 intercommunication, be provided with piston 19 in the piston barrel 18, piston 19 rigid coupling has piston rod 20, the terminal rigid coupling of piston rod 20 has connecting rod 21, spacing groove 22 has been seted up to the one end that frame 7 was kept away from to piston barrel 18, connecting rod 21 is located spacing groove 22, the rigid coupling has even piece 23 on the connecting rod 21, even 23 terminal rigid coupling of piece has clamp plate 24, clamp plate 24 and frame 7 butt. Because the piston cylinder 18 is communicated with the cavity 5, when the air in the cavity 5 is reduced, the cavity 5 is in a negative pressure state, the piston 19 is driven to move towards the cavity 5, because the piston 19 is connected with the piston rod 20, the piston rod 20 is connected with the connecting rod 21, the connecting rod 21 is connected with the pressure plate 24, and under the action of the piston 19, the pressure plate 24 gradually compresses the outer frame 7.

The outer frame 7 is provided with a communicating hole 34, the piston cylinder 18 is provided with two bolts 31, and the two bolts 31 are respectively positioned at two sides of the rotating plate 16. The rotating plate 16 is used for limiting the piston cylinder 18, and the piston cylinder 18 is detachably connected with the rotating plate 16 through two bolts 31. When the outer frame 7 needs to be clamped, the piston cylinder 18 penetrates through the through hole 17 and the communication hole 34, the pressing plate 24 is placed on the outer frame 7, air is extracted subsequently, the connecting rod 21 moves in the limiting groove 22, the pressing plate 24 is pressed on the outer frame 7, and when the outer frame 7 needs to be disassembled, the piston cylinder 18 is extracted from the communication hole 34 after being inflated, so that the photovoltaic panel 4 is convenient to disassemble.

Further optimize the scheme, the rigid coupling has fixed plate 32 on the stand 2, and the rigid coupling has two connecting blocks 25 on the fixed plate 32, has run through the bull stick 26 on two connecting blocks 25, and the bull stick 26 rotates with two connecting blocks 25 to be connected, and the rigid coupling has swivel 27 on the bull stick 26, and swivel 27 and rotor plate 16 rigid coupling.

The rotating plate 16 can rotate under the action of the rotating ring 27, so that the piston cylinder 18 only needs to be drawn out from the communicating hole 34 in the process of taking off the photovoltaic panel 4, and then the rotating plate 16 is rotated to another angle, so that the pressing plate 24 does not influence the taking-out of the photovoltaic panel 4, the operation steps are reduced, and the working efficiency is improved.

The upright post 2 is fixedly connected with a stop block 35, the rotating ring 27 is fixedly connected with a stop block 36, and the stop block 35 is abutted against the stop block 36. Dog 35 and the cooperation of stop block 36 for when rotor plate 16 is in clamping status, rotor plate 16 and frame 7 are parallel arrangement, and then make the perpendicular intercommunicating pore 34 of piston cylinder 18 insert, improve the butt effect of clamp plate 24 and frame 7, improve the centre gripping effect to frame 7, and then improve the fastness of photovoltaic board 4.

According to the further optimized scheme, the upright post 2 is fixedly connected with a limiting plate 28, the limiting plate 28 is located between the outer frame 7 and the sound baffle, and the limiting plate 28 is abutted against the outer frame 7. The limiting plate 28 is used for supporting the outer frame 7, the outer frame 7 is pressed on the limiting plate 28 under the action of the external pressing plate 24, the firmness of the outer frame 7 is improved, in addition, the limiting plate 28 can play a role in positioning, in the installation process of the photovoltaic panel 4, the outer frame 7 only needs to be in contact with the limiting plate 28, and the positioning is convenient. In addition, the limiting plate 28 can play a certain sealing role, so that the possibility that air in the cavity 5 escapes from between the outer frame 7 and the upright post 2 is reduced, and the clamping effect of the pressure plate 24 is further improved. The top end of the limit plate 28 abuts against the bottom end of the support plate 6 to improve the firmness.

Further optimize the scheme, the sound baffle includes baffle 29 and the sound absorbing material layer 30 of setting on baffle 29, and baffle 29 is located spout 3 and with the butt of stand 2, and sound absorbing material layer 30 is located between photovoltaic board 4 and the baffle 29. The air in the cavity 5 is reduced under the action of the partition 29 and the photovoltaic panel 4, the partition 29 also plays a role in sound insulation, and the sound absorption material layer 30 is arranged on the partition 29, so that the noise reduction effect is further improved.

In a further optimized scheme, the partition plate 29 is an acrylic plate, and the sound absorption material layer 30 is a rubber plate. Other materials can also be used for the partition plate 29, and because the air in the cavity 5 is less, the sound-absorbing material layer 30 preferably adopts the material with higher hardness, thereby avoiding the deformation caused by less air and reducing the noise reduction effect, and the materials of the partition plate 29 and the sound-absorbing material layer 30 belong to the prior art, and are not described in detail herein.

Further optimize the scheme, frame 7 and stand 2 junction, locating plate 8 and

frame

7, 6 junctions of backup pad all are provided with the sealing strip sealant layer. The setting of sealing adhesive layer is not limited to above-mentioned junction, and all junctions that are relevant with the sealed effect of cavity 5 of this device all should set up sealing adhesive layer, prevent in the outside air gets into cavity 5, reduce to fall and make an uproar and the centre gripping effect, and sealing adhesive layer can coat sealed glue and form, and in addition, can also dismantle the sealing strip replacement sealing adhesive layer of connection through setting up, be convenient for dismantle on the basis that reaches sealed effect, improve the efficiency of construction.

Further optimize the scheme, the subassembly of making an uproar falls by supreme a plurality of that is provided with down, falls the subassembly top of making an uproar and the adjacent another subassembly bottom butt of making an uproar, and the subassembly bottom of making an uproar falls in the least significant end and 1 butt of cement base station. Because the device size reason, the subassembly of making an uproar falls can be a plurality ofly, and the photovoltaic board 4 and the sound baffle of the subassembly of making an uproar falls in the lower extreme all with 1 butt of cement base station, lie in the subassembly of making an uproar that falls in the lower extreme top adjacent another subassembly of making an uproar, because be provided with backup pad 6 on the subassembly of making an uproar falls in the lower extreme, the photovoltaic board 4 and the sound baffle bottom of another subassembly of making an uproar all with backup pad 6 butt, consequently can set up the multiunit and fall the subassembly of making an uproar to reach the engineering purpose. In addition, the subassembly of making an uproar that falls of top does not influence the installation dismantlement of the photovoltaic board 4 of below, when the photovoltaic board 4 that is located the below need be changed, only need to dismantle to this photovoltaic board 4 the installation can, it is convenient to dismantle.

When the photovoltaic sound baffle is installed, the partition plate 29 is placed in the sliding groove 3, the positioning plate 8 is installed at the top end of the photovoltaic panel 4, the outer frame 7 of the photovoltaic panel 4 is positioned through the limiting plate 28, the outer frame 7 is in contact with the limiting plate 28, the positioning block 13 on the partition plate 29 is located in the positioning groove 12, after the photovoltaic panel 4 is installed, the positioning rod 11 is inserted into the positioning hole 14 through the sliding button 10 in the sliding installation groove 9, initial fixing of the photovoltaic panel 4 is completed, the outer frame 7 is connected with the upright post 2, the outer frame 7 is connected with the positioning plate 8, and the like, sealant is sprayed, the sealing effect of the cavity 5 is improved, then the piston cylinder 18 is placed into the through hole 17 and fixed through the two bolts 31, the position of the connecting rod 21 in the limiting groove 22 is adjusted, the pressure plate 24 is pressed on the outer frame 7, after the steps are completed, air in the cavity 5 is extracted through the air suction plug 15, the air in the cavity 5 is reduced, the piston 19 is formed in the cavity 5, and the pressure plate 24 presses the outer frame 7, so that negative pressure is generated.

When the maintenance is changed to photovoltaic board 4 that needs damaged, strike off this photovoltaic board 4 corresponding setting sealant, and inject the air into cavity 5 through air exhaust plug 15, resume normal state in the cavity 5, piston 19 no longer drives clamp plate 24 and pushes down frame 7, through rotating rotor plate 16, make clamp plate 24 leave frame 7, slide button 10 afterwards, make locating lever 11 leave locating hole 14, make photovoltaic board 4 remove fixed state, adsorb photovoltaic board 4 through the sucking disc (not shown in the figure) afterwards, take out photovoltaic board 4 and locating plate 8. The positioning plate 8 can be detachably connected with the photovoltaic plate 4, the taken-out part only needs to be replaced by the photovoltaic plate 4, and after the replacement is finished, the photovoltaic plate 4 and the positioning plate 8 are fixed again according to the method.

Meanwhile, the photovoltaic panel 4 needs to be electrically connected to original components such as a transformer (not shown in the figure) to realize the function of normal power generation of the photovoltaic panel 4, and this technology belongs to the prior art and is not described herein in any greater detail.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. A photovoltaic sound baffle comprises a cement base platform (1), two upright posts (2) are oppositely arranged at the top end of the cement base platform (1), sliding grooves (3) are respectively arranged on the two upright posts (2), and the photovoltaic sound baffle is characterized in that,

a noise reduction assembly is arranged between the two upright posts (2), two sides of the noise reduction assembly are respectively abutted against the two upright posts (2), and the bottom end of the noise reduction assembly is abutted against the cement base platform (1);

the noise reduction assembly comprises a sound barrier plate and a photovoltaic plate (4) which are oppositely arranged, a cavity (5) is formed between the sound barrier plate and the photovoltaic plate (4), the sound barrier plate is located in the sliding groove (3), a supporting plate (6) is fixedly connected to the top end of the sound barrier plate, an outer frame (7) is arranged outside the photovoltaic plate (4), a positioning piece is arranged at the top end of the outer frame (7), the top end of the positioning piece is abutted against the bottom end of the supporting plate (6), the outer frame (7) is detachably connected with the sound barrier plate through the positioning piece, and the positioning piece is communicated with the cavity (5);

the upright post (2) is provided with a clamping piece, the clamping piece is abutted against one side of the outer frame (7) far away from the sound baffle, and the clamping piece is communicated with the cavity (5);

the positioning piece comprises a positioning plate (8) arranged at the top end of the outer frame (7), the top end of the positioning plate (8) is abutted to the bottom end of the supporting plate (6), one side, far away from the sound baffle, of the positioning plate (8) is provided with a mounting groove (9), a slide button (10) is arranged in the mounting groove (9), the slide button (10) is fixedly connected with a positioning rod (11), one side, close to the sound baffle, of the positioning plate (8) is provided with a positioning groove (12), the sound baffle is fixedly connected with a positioning block (13), the positioning block (13) is provided with a positioning hole (14), the positioning block (13) is located in the positioning groove (12), the positioning rod (11) penetrates through the positioning hole (14), and the positioning rod (11) is in sliding connection with the positioning block (13);

an air exhaust plug (15) is arranged in the mounting groove (9), and the air exhaust plug (15) is communicated with the cavity (5);

the holder include with stand (2) rotate rotor plate (16) of connecting, through-hole (17) have been seted up on rotor plate (16), through-hole (17) internal slipping has piston cylinder (18), piston cylinder (18) run through frame (7) with cavity (5) intercommunication, be provided with piston (19) in piston cylinder (18), piston (19) rigid coupling has piston rod (20), the terminal rigid coupling of piston rod (20) has connecting rod (21), piston cylinder (18) are kept away from spacing groove (22) have been seted up to the one end of frame (7), connecting rod (21) are located in spacing groove (22), the rigid coupling has even piece (23) on connecting rod (21), even terminal rigid coupling of piece (23) has clamp plate (24), clamp plate (24) with frame (7) butt.

2. The photovoltaic sound baffle of claim 1 wherein: the rigid coupling has fixed plate (32) on stand (2), the rigid coupling has two connecting blocks (25) on fixed plate (32), two run through on connecting block (25) and have bull stick (26), bull stick (26) and two connecting block (25) rotate and are connected, the rigid coupling has swivel (27) on bull stick (26), swivel (27) with rotor plate (16) rigid coupling.

3. The photovoltaic sound baffle of claim 1 wherein: the stand (2) is fixedly connected with a limiting plate (28), the limiting plate (28) is located between the outer frame (7) and the sound baffle, and the limiting plate (28) is abutted to the outer frame (7).

4. The photovoltaic sound baffle of claim 1 wherein: the sound baffle includes that baffle (29) and setting are in sound absorbing material layer (30) on baffle (29), baffle (29) are located in spout (3) and with stand (2) butt, sound absorbing material layer (30) are located photovoltaic board (4) with between baffle (29).

5. The photovoltaic sound baffle of claim 4 wherein: the partition board (29) is an acrylic board, and the sound absorption material layer (30) is a rubber board.

6. The photovoltaic sound baffle of claim 1 wherein: the outer frame (7) and the upright post (2) are connected, the positioning plate (8) and the outer frame (7) and the supporting plate (6) are connected, and sealing glue layers are arranged at the joints.

7. The photovoltaic sound baffle of claim 1 wherein: the noise reduction assembly is provided with a plurality of from bottom to top, the top end of the noise reduction assembly is abutted against the bottom end of the adjacent noise reduction assembly, and the lowest end of the noise reduction assembly is abutted against the bottom end of the cement base platform (1).