CN219697594U

CN219697594U - Photovoltaic cell protection piece

Info

Publication number: CN219697594U
Application number: CN202321097573.1U
Authority: CN
Inventors: 叶小健; 魏安求
Original assignee: Yangzhou Bangjie New Energy Technology Co ltd
Current assignee: Yangzhou Bangjie New Energy Technology Co ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-09-15
Anticipated expiration: 2033-05-09

Abstract

The utility model provides a photovoltaic cell protection piece which comprises a photovoltaic cell panel, bases, a motor, a cleaning roller, a driving gear, a driven gear and racks, wherein the two bases are arranged at two ends of the cleaning roller along the axial direction of the cleaning roller, the motor is fixedly arranged on one of the bases, the driving gear and the driven gear are rotatably arranged on each base, the driving gear is meshed with the driven gear, the motor is fixedly arranged on one of the bases, an output shaft of the motor is connected with the driving gear in a key manner, two ends of a rotating shaft of the cleaning roller are respectively connected with the driven gears on the two bases in a key manner, the two racks are arranged at two opposite side edges of one surface of the photovoltaic cell panel in parallel, the two racks are respectively meshed with the driving gears on the two bases, and the surface of the cleaning roller is attached to the surface of the photovoltaic cell panel. The utility model has simple structure, can realize movement and cleaning simultaneously by one motor, is energy-saving and reliable, and has good application prospect.

Description

Photovoltaic cell protection piece

Technical Field

The utility model relates to the technical field of photovoltaic cell assemblies, in particular to a photovoltaic cell protective piece.

Background

The photovoltaic cell is required to rely on illumination to carry out energy conversion in the in-process of using, consequently the photovoltaic cell is usually open-air setting, and this just leads to its invasion that needs bear natural weather always, and under the general case, the surface of photovoltaic cell is provided with the glass panel that the shade was used, and in long-term use in-process, the surface of glass panel is easy to accumulate a large amount of dust, and the dust very easily adheres to glass surface under the effect of rainwater and other pollutants in the air, reduces the light transmissivity of glass to influence the electric power output performance of photovoltaic cell.

In the prior art, the scheme for carrying out surface protection on the photovoltaic cell comprises the following steps: 1. masking the photovoltaic cell by adopting a protective layer; 2. and adopting a cleaning structure to clean the surface of the photovoltaic cell regularly. The shade structure can obviously reduce the illumination quantity of the photovoltaic cell, greatly limit the power generation function of the photovoltaic cell and has high cost; the surface cleaning can effectively remove dust, but the general structure of the existing dust removing equipment is complex, for example, a plurality of groups of motors are adopted to respectively carry out displacement driving and dust removing driving, the equipment cost is high, the power consumption is high, and the practical application is difficult. In view of this, there is a need for a protection element that is structurally simple and at the same time allows dust cleaning of the glass of the photovoltaic cell surface.

Disclosure of Invention

In view of the above, the utility model provides a photovoltaic cell protection piece, and aims to provide a device which has a simpler structure and can be used for cleaning dust on the glass surface of a photovoltaic cell.

The technical scheme of the utility model is realized as follows: the present utility model provides a photovoltaic cell protection comprising: photovoltaic cell board, the base, the motor, the cleaning roller, the driving gear, driven gear and rack, two bases are along the axis direction setting of cleaning roller at the both ends of cleaning roller, motor fixed mounting is on one of them base, all rotatable driving gear and driven gear of being provided with on every base, driving gear and driven gear meshing, fixed mounting has the motor on one of them base, the output shaft and the driving gear key of motor are connected, the pivot both ends of cleaning roller are connected with the driven gear key on two bases respectively, two rack parallel arrangement is on the opposite both sides limit of one of them one side of photovoltaic cell board, two racks mesh with the driving gear on two bases respectively, the surface laminating photovoltaic cell board of cleaning roller.

In some embodiments, the photovoltaic cell panel driving device further comprises a limiting wheel, wherein the limiting wheel is rotatably arranged on the base, the limiting wheel abuts against one surface of the photovoltaic cell panel, which is far away from the rack, and the rotating shaft of the limiting wheel is parallel to the rotating shaft of the driving gear.

In some embodiments, the number of the limiting wheels rotatably arranged on each base is two, and the two limiting wheels are arranged on two sides of the driving gear along the linear direction of the rack.

In some embodiments, the photovoltaic cell panel further comprises a bearing seat and an elastic support, the surface of the base is provided with a long through hole, the length direction of the long through hole is perpendicular to the plane where the photovoltaic cell panel is located, the bearing seat is slidably arranged in the long through hole, a rotating shaft of the limiting wheel is embedded in the bearing seat, the elastic support is arranged in the long through hole, and two ends of the elastic support are respectively abutted against one surface, away from the rack, of the bearing seat and the inner side surface, away from the rack, of the long through hole.

In some embodiments, the resilient support is a spring.

In some embodiments, the two ends of the rack provided with tooth surfaces are provided with limit protrusions along the length direction perpendicular to the rack.

In some embodiments, the rack is a helical rack and the drive gear and the driven gear are helical gears.

Compared with the prior art, the photovoltaic cell protective piece has the following beneficial effects:

according to the photovoltaic cell protection piece, the motor is adopted to drive, and the structure that the base bearing the cleaning roller moves synchronously along the rack while the cleaning roller rotates and cleans the surface is realized through the rack and driven gear structure, so that the device power consumption and the device cost input are greatly reduced, the structural design is simple and reasonable, the photovoltaic cell protection piece can be independently applied to a single photovoltaic cell panel, and the photovoltaic cell protection piece has a good application prospect.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an isometric view of a photovoltaic cell shield of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is an enlarged view of a portion of the base of the photovoltaic cell shield of the present utility model in a mated condition with the rack;

fig. 4 is an isometric view of a base portion of a photovoltaic cell shield of the present utility model;

fig. 5 is an isometric view of a base portion of a photovoltaic cell shield of the present utility model from another perspective;

fig. 6 is an enlarged view of a portion of the end of the rack in the photovoltaic cell shield of this utility model.

In the figure: the photovoltaic cell comprises a 10-photovoltaic cell panel, a 1-base, a 2-motor, a 3-cleaning roller, a 4-driving gear, a 5-driven gear, a 6-rack, a 7-limiting wheel, an 8-bearing seat, a 9-elastic support piece, an 11-long through hole and a 61-limiting protrusion.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present 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.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the 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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the utility model belong. If the definitions set forth in this section are contrary to or otherwise inconsistent with the definitions set forth in the patents, patent applications, published patent applications and other publications incorporated herein by reference, the definitions set forth in this section are preferentially set forth in the definitions set forth herein.

As shown in fig. 1, in combination with fig. 2-6, the photovoltaic cell protection piece of the present utility model is used for the surface of a photovoltaic cell panel 10, and specifically, the photovoltaic cell protection piece comprises a base 1, a motor 2, a cleaning roller 3, a driving gear 4, a driven gear 5 and racks 6, wherein the photovoltaic cell panel is a rectangular plate, the front surface of the photovoltaic cell panel is provided with a glass panel for protection, a photovoltaic cell is integrated below the glass panel, one side or the back surface of the photovoltaic cell panel 10 is provided with an outlet box for outputting electric power, the surface of the base 1 is rotatably provided with the driving gear 4 and the driven gear 5, the driving gear 4 and the driven gear 5 are meshed with each other, the two bases 1 are respectively arranged at two ends of the cleaning roller 3 along the axis direction, simultaneously, two rotating shafts of the cleaning roller 3 are respectively connected with the driven gears 5 on the two bases 1 in a key way, one of the bases 1 is fixedly provided with the motor 2, the output shaft of the motor 2 is connected with the driving gear 4 on the base 1 where the motor 2 is located, two opposite sides of the same surface of the photovoltaic cell panel 10 are fixedly provided with the racks 6, the driving gears 4 on two parallel to each other sides of the two racks 6 are respectively meshed with the two racks 6, when the driving gear 4 on the two bases 1 are arranged on opposite sides, and the two racks 6 are meshed with each other, respectively, and when the driving gear 4 on the vertical sides of the photovoltaic cell panel 10 is in the opposite sides, and the rack 4 is in the direction, and the vertical to keep the direction, and the vertical direction, and the rack 4 is in the vertical direction, and the vertical direction is in the direction, and the vertical direction is in the direction.

In the above embodiment, the cleaning roller 3 may adopt a roller brush, and the driving gear 4 is driven by the motor 2, so that the driving gear 4 rotates relative to the rack 6 to drive the base 1 to displace, and the driven gear 5 rotates under the driving gear to drive the cleaning roller 3 to rotate at the same time, so as to achieve the purpose of cleaning the surface of the photovoltaic cell panel 10, and the cleaning roller 3 rotates in the process of driving the driven gear 5 on the base 1 without the motor 2, and the driven gear 5 drives the driving gear 4 to rotate to realize synchronous displacement on the rack 6.

In the above embodiment, as another possible structure, the motors 2 are mounted on both the bases 1, and the motors 2 are synchronously driven.

In some embodiments, the photovoltaic cell driving device further comprises a limiting wheel 7, the limiting wheel 7 is rotatably arranged on the base 1, the circumferential surface of the limiting wheel 7 abuts against one surface of the photovoltaic cell, which is far away from the rack 6, and the rotating shaft of the limiting wheel 7 is parallel to the rotating shaft of the driving gear 4.

In the above embodiment, the limiting wheel 7 cooperates with the driving gear 4 and the cleaning roller 3 to form a clamping structure for the photovoltaic cell panel 10, so that the protection piece of the utility model has more installation application fields, the problem that the photovoltaic cell panel 10 is not in a horizontal state or the rack 6 is disengaged from the driving gear 4 due to some external force is avoided, and the operation stability of the protection piece of the utility model is improved.

In some embodiments, the number of the limiting wheels 7 rotatably arranged on each base 1 is two, and the two limiting wheels are arranged on two sides of the driving gear along the linear direction of the rack 6.

In the above embodiment, the two limiting wheels 7 provide two points for contacting the photovoltaic cell panel 10, and the gesture of the base 1 relative to the photovoltaic cell panel 10 can be effectively stabilized by matching with the contact point of the driving gear 4 and the rack 6, so that the cleaning roller 3 is kept to have stable contact area and contact acting force with the surface of the photovoltaic cell panel 10 all the time.

In some embodiments, the photovoltaic cell module further comprises a bearing seat 8 and an elastic support 9, the surface of the base 1 is provided with a long through hole 11, the length direction of the long through hole 11 is perpendicular to the plane where the photovoltaic cell panel 10 is located, the bearing seat 8 is slidably arranged on the inner side of the long through hole 11 along the length direction of the long through hole 11, the rotating shaft of the limiting wheel 7 is embedded into the inner ring of the bearing seat 8 and is in key connection with the inner ring, the elastic support 9 is arranged in the long through hole 11, and two ends of the elastic support 9 respectively support against one surface of the bearing seat 8 far away from the rack 6 and the inner surface of one side of the long through hole 11 far away from the rack 6.

In the above embodiment, the elastic supporting piece 9 supports the bearing seat 8 to tightly prop against one side close to the rack 6, so as to drive the limiting wheel 7 to prop against the photovoltaic cell panel 10, realize the clamping effect of the limiting wheel 7 to the photovoltaic cell panel 10 by matching with the driving gear 4, and simultaneously, the structure can adapt to the photovoltaic cell panels 10 with different thicknesses.

In some embodiments, the elastic support 9 is a spring.

In some embodiments, both ends of the rack 6 provided with tooth surfaces are provided with limit protrusions 61 in a direction perpendicular to the length direction of the rack 6.

The fiber protrusion 61 can limit the movement position of the driving gear 4, so as to prevent the base 1 from falling off the rack 6.

In some embodiments, the rack 6 is a helical rack and the driving gear 4 and the driven gear 5 are helical gears.

In the above embodiment, the helical rack and the helical gear are adopted, which is favorable for improving the smoothness between the gears and the racks in the moving process, and the surface of the photovoltaic cell panel 10 is provided with protective glass, so that the material is relatively fragile, the smoother movement is favorable for reducing the impact, and the impact is avoided from damaging the protective glass.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A photovoltaic cell shield comprising a photovoltaic cell panel, further comprising: the photovoltaic cell panel cleaning device comprises bases, motors, cleaning rollers, driving gears, driven gears and racks, wherein the two bases are arranged at the two ends of the cleaning rollers along the axial direction of the cleaning rollers, the motors are fixedly arranged on one of the bases, the driving gears and the driven gears are rotatably arranged on each base, the driving gears are meshed with the driven gears, the motors are fixedly arranged on one of the bases, an output shaft of each motor is connected with each driving gear in a key manner, the two ends of a rotating shaft of the cleaning rollers are respectively connected with the driven gears on the two bases, the two racks are arranged on two opposite side edges of one surface of the photovoltaic cell panel in parallel, the two racks are respectively meshed with the driving gears on the two bases, and the surface of the cleaning rollers is attached to the surface of the photovoltaic cell panel.

2. The photovoltaic cell protector of claim 1, further comprising a limiting wheel rotatably disposed on the base, the limiting wheel abutting against a side of the photovoltaic cell panel remote from the rack, a rotational axis of the limiting wheel being parallel to a rotational axis of the drive gear.

3. The photovoltaic cell protection of claim 2, wherein the number of limit wheels rotatably disposed on each base is two, and the two limit wheels are disposed on both sides of the driving gear along a direction of a straight line along which the rack is disposed.

4. The photovoltaic cell protector according to claim 2, further comprising a bearing seat and an elastic support, wherein the surface of the base is provided with a long through hole, the length direction of the long through hole is perpendicular to the plane where the photovoltaic cell panel is located, the bearing seat is slidably arranged in the long through hole, the rotating shaft of the limiting wheel is embedded in the bearing seat, the elastic support is arranged in the long through hole, and two ends of the elastic support are respectively abutted against one surface of the bearing seat far away from the rack and the inner side surface of the long through hole far away from the rack.

5. The photovoltaic cell shield of claim 4 wherein the resilient support is a spring.

6. The photovoltaic cell shield of claim 1 wherein the rack has tooth surfaces at both ends thereof along a length direction perpendicular to the rack.

7. The photovoltaic cell shield of claim 1 wherein the rack is a helical rack and the drive gear and the driven gear are helical gears.