CN216216694U - Leaning frame of photovoltaic module - Google Patents

Abstract

The utility model relates to the technical field of photovoltaic equipment and discloses a backrest frame of a photovoltaic module. Photovoltaic module's leaning on frame includes the bottom sprag subassembly, the bearing subassembly, bracing subassembly and drive locking subassembly, the bottom sprag subassembly is configured to support in ground, be provided with on the bottom sprag subassembly along the guide rail portion that predetermines the direction and extend, the one end and the articulated connection of bottom sprag subassembly of bearing subassembly, the bearing subassembly is including the bearing plane that is used for bearing photovoltaic module, the first end of bracing subassembly is connected with the other end of bearing subassembly is articulated, the second end can rotate and can slide along guide rail portion for the bottom sprag subassembly, drive locking subassembly can drive the second end of bracing subassembly and slide along guide rail portion, and hold the second of bracing subassembly and be fixed in the optional position of guide rail portion. The backrest frame of the photovoltaic module can automatically realize the unfolding and folding actions and flexibly adjust the supporting angle and height.

Description

Leaning frame of photovoltaic module

Technical Field

The utility model relates to the technical field of photovoltaic equipment, in particular to a backrest frame of a photovoltaic module.

Background

The solar photovoltaic module is roughly shaped like a plate structure, and needs to be stacked on a tray and packaged in the conveying process, and then the solar photovoltaic module is loaded into a high-cabinet container for transportation through a forklift after being packaged. If place photovoltaic module level and stack in proper order, the pile is too high then photovoltaic module of lower floor needs to bear great power, damages easily, and the level is placed and needs to occupy great area, influences the load capacity of high cabinet container. Therefore, the photovoltaic modules are generally vertically arranged and the longer edges of the photovoltaic modules vertically extend in the prior art, so that the problem of extrusion between the photovoltaic modules is avoided, and the number of the photovoltaic modules loaded on the transport vehicle can be increased.

At the in-process of loading photovoltaic module, photovoltaic module self can't keep vertical state, consequently need support the photovoltaic module who puts in the tray earlier with the help of leaning on the frame, and leaning on the frame among the prior art, for simple triangle-shaped braced frame, can't realize automatic expansion folding, use at every turn and all need the manual work to assemble, it is inconvenient to use, and the height, the inclination that lean on the frame all can't adjust, use the flexibility poor.

Therefore, a backrest frame for a photovoltaic module is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a backrest frame of a photovoltaic module, which can automatically realize the unfolding and folding actions and can flexibly adjust the supporting angle and height.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a headrest for a photovoltaic module, comprising:

the bottom support assembly is configured to be supported on the ground, and a guide rail part extending along a preset direction is arranged on the bottom support assembly;

the supporting component is hinged to the bottom supporting component at one end and comprises a supporting plane for supporting the photovoltaic component;

the first end of the inclined strut assembly is hinged with the other end of the bearing assembly, and the second end of the inclined strut assembly can rotate relative to the bottom support assembly and can slide along the guide rail part;

and the driving locking assembly can drive the second end of the inclined strut assembly to slide along the guide rail part and fix the second end of the inclined strut assembly at any position of the guide rail part.

As an alternative, the drive lock assembly comprises:

a first ferromagnetic member secured to a second end of the sprag assembly;

the first electromagnetic assembly is arranged at one end of the guide rail part and can act on the first ferromagnetic part to enable the second end of the inclined strut assembly to slide along the guide rail part, and the acting force of the first electromagnetic assembly on the first ferromagnetic part is adjustable.

As an optional scheme, the driving locking assembly further comprises a fastener, and the fastener penetrates through the second end of the inclined strut assembly and can lock the second end of the inclined strut assembly on the bottom support assembly.

As an optional scheme, a sliding shaft is arranged at the second end of the inclined strut assembly, the guide rail portions are two sliding grooves which are oppositely arranged on the bottom support assembly, and two ends of the sliding shaft are respectively arranged in the two sliding grooves and can slide along the sliding grooves.

As an alternative, the bottom support assembly comprises:

the supporting frame extends along the preset direction, and one end of the supporting component is hinged to the middle of the supporting frame along the preset direction;

the horizontal limiting rod, horizontal limiting rod with the guide rail portion sets up respectively be located the support frame and the last both sides that lie in the bearing subassembly, horizontal limiting rod with bearing plane parallel arrangement, horizontal limiting rod is used for hooking the landing leg of locating the tray.

As an optional scheme, the transverse limiting rod penetrates through the support frame, and the bottom support assembly further comprises a limiting rod driving assembly, wherein the limiting rod driving assembly is used for driving the transverse limiting rod to move relative to the support frame along the length direction of the transverse limiting rod.

As an alternative, the stopper rod driving assembly includes:

the second ferromagnetic part is arranged at one end of the transverse limiting rod;

the second electromagnetic assembly is arranged on the support frame and can act on the second ferromagnetic part so that the transverse limiting rod can move relative to the support frame along the length direction of the transverse limiting rod.

As an optional scheme, stop members are respectively arranged at two ends of the support frame, through which the transverse limiting rod penetrates, and the stop members are used for abutting against the support frame to stop the movement of the transverse limiting rod.

As an optional scheme, the backrest frame of the photovoltaic module further comprises a solar panel, and the solar panel can supply power to the driving locking module;

the leaning frame of the photovoltaic module comprises two solar panels, and the two solar panels can provide currents in opposite directions for the driving locking module.

As an alternative, the solar panel is connected to the supporting member, and the working surface of the solar panel is disposed coplanar with the supporting plane.

The utility model has the beneficial effects that:

according to the backrest frame of the photovoltaic module, the bottom supporting component, the supporting component and the inclined strut component can form a triangular structure, so that the supporting plane of the supporting component can well support the photovoltaic module vertically placed on the tray; because the bottom sprag subassembly, bearing subassembly and bracing subassembly homoenergetic relative rotation between two liang, then through setting up drive locking subassembly, the second end that can the automatically regulated bracing subassembly is for the position of bottom sprag subassembly along guide rail portion, and then can realize photovoltaic module's the automatic folding and the opening action of leaning on the frame, the work load of the manual operation that significantly reduces, in addition, when drive locking subassembly with the second end locking of bracing subassembly in the different positions of bottom sprag subassembly guide rail portion, the inclination and the height of bearing subassembly are different, thereby can satisfy different support demands, improve photovoltaic module's the use flexibility of leaning on the frame.

Drawings

Fig. 1 is a schematic view of a photovoltaic module palletized onto a pallet by means of a backrest of the photovoltaic module according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a leaning frame of a photovoltaic module in an unfolded state according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a folded state of a backrest of a photovoltaic module according to an embodiment of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2;

fig. 5 is an enlarged view of fig. 2 at B.

In the figure:

100-a tray; 101-forklift hole; 102-a leg; 200-a photovoltaic module;

1-a bottom support assembly; 11-a support frame; 111-a chute; 112-a first stringer; 113-a first beam; 12-a transverse limiting rod; 13-a stop lever drive assembly; 131-a second ferromagnetic piece; 132-a second electromagnetic assembly; 14-a stop;

2-a holding component; 21-a second stringer; 22-a second beam;

3-a bracing assembly; 31-a sliding shaft; 32-a third stringer; 33-a third beam;

4-driving the locking assembly; 41-a first electromagnetic assembly; 42-a fastener;

5-a solar panel;

61-first mounting axis; 62-second mounting shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a backrest frame of a photovoltaic module, which can be used for supporting the photovoltaic module 200 which is vertically placed when the photovoltaic module 200 is stacked on the tray 100. As shown in fig. 1, the upper surface of the tray 100 is used for carrying the photovoltaic module 200, a plurality of support legs 102 are arranged below the tray 100, and fork truck holes 101 for fork trucks of fork trucks to penetrate are formed between the support legs 102. As shown in fig. 2 and 3, the backrest frame of the photovoltaic module includes a bottom supporting component 1, a supporting component 2, an inclined strut component 3 and a driving locking component 4, wherein the bottom supporting component 1 is used for supporting on the ground and is placed on one side of the tray 100 of the photovoltaic module 200 to be stacked, the bottom supporting component 1 can partially extend into the forklift hole 101 below the tray 100, a guide rail portion extending along a predetermined direction (X direction shown in fig. 2) is provided on the bottom supporting component 1, one end of the supporting component 2 is hinged to the bottom supporting component 1, the supporting component 2 includes a supporting plane for supporting the photovoltaic module 200, a first end of the inclined strut component 3 is hinged to the other end of the supporting component 2, a second end of the inclined strut component 3 can rotate relative to the bottom supporting component 1 and can slide along the guide rail portion, the driving locking component 4 can drive the second end of the inclined strut component 3 to slide along the guide rail portion, and the second end of the diagonal brace component 3 is fixed at any position of the guide rail part. In this embodiment, the first end of the diagonal member 3 is the upper end of the leaning frame in the unfolding state, and the second end of the diagonal member 3 is the lower end of the leaning frame in the unfolding state. As shown in figures 2 and 3, the arm rest is in the extended position when the second end of the diagonal bracing member 3 is moved to the end of the rail portion remote from the bolster member 2; when the second end of the diagonal bracing member 3 is moved to the end of the rail portion adjacent the bearer member 2, it is in a folded condition.

In the backrest frame of the photovoltaic module of the present embodiment, the bottom support module 1, the supporting module 2, and the diagonal support module 3 can form a triangular structure, so that the supporting plane of the supporting module 2 can well support the photovoltaic module 200 vertically placed on the tray 100; because bottom sprag subassembly 1, bearing subassembly 2 and bracing subassembly 3 homoenergetic relative rotation between two liang, then through setting up drive locking subassembly 4, the second end that can automatically regulated bracing subassembly 3 is for the position of bottom sprag subassembly 1 along guide rail portion, and then can realize photovoltaic module's the automatic folding and the opening action of leaning on the frame, the work load of the manual operation that significantly reduces, furthermore, when drive locking subassembly 4 with bracing subassembly 3's lower extreme locking when the different positions of bottom sprag subassembly 1 guide rail portion, bearing subassembly 2's inclination and highly different, thereby can satisfy different support demands, improve photovoltaic module's the use flexibility of leaning on the frame.

Specifically, as shown in fig. 2, the bottom bracing assembly 1 includes a bracing frame 11, the bracing frame 11 includes a first longitudinal beam 112 and a first transverse beam 113 which are vertically arranged, and the bracing frame 11 abuts against the ground to serve as a support for the whole leaning frame. In this embodiment, the supporting frame 11 includes two first longitudinal beams 112 disposed in parallel and spaced apart, and a first cross beam 113 is connected between the two first longitudinal beams 112 to form an H-shaped supporting structure. The support elements 2 comprise two second longitudinal beams 21 and a second transverse beam 22, the two second longitudinal beams 21 being arranged in parallel and the second transverse beam 22 being connected to the ends of the two second longitudinal beams 21, so that the support elements 2 form a u-shaped structure. Photovoltaic module's leaning on frame still includes first installation axle 61, and first installation axle 61 wears to establish two first longerons 112 and with two first longeron 112 fixed connection, the tip of two second longerons 21 all with first installation axle 61 normal running fit to realize bearing subassembly 2 and the articulated connection of bottom sprag subassembly 1. Of course, in other embodiments, the first mounting shaft 61 may also be rotatably engaged with the supporting frame 11, and the two second longitudinal beams 21 are respectively fixedly connected with the first mounting shaft 61, which may also achieve the hinged connection between the supporting member 2 and the bottom supporting member 1, and the above two arrangements of the first mounting shaft 61 may also be implemented, which is not limited herein. Preferably, in this embodiment, the first mounting shaft 61 is disposed in the middle of the support frame 11 along the X direction, the guide rail is located on one side of the first mounting shaft 61, and the other side of the support frame 11 located on the first mounting shaft 61 can extend into the forklift hole 101 at the bottom of the tray 100, so that the leaning frame of the photovoltaic module is more balanced in stress and more stable in support.

Further, as shown in fig. 2, the diagonal member assembly 3 includes two third longitudinal members 32 and a third cross member 33, the two third longitudinal members 32 are disposed in parallel, and the third cross member 33 is connected between the two third longitudinal members 32 to form an H-shaped structure. Photovoltaic module's leaning on frame still includes second installation axle 62, the tip and the second installation axle 62 fixed connection of two third longerons 32, and the both ends of second installation axle 62 are passed through the bearing and are connected with two second longerons 21 of bearing subassembly 2 to realize that the first end of bracing subassembly 3 is connected with the articulated of bearing subassembly 2.

It will be appreciated that the number and relative positions of the longitudinal and transverse beams in the base support member 1, the support member 2 and the diagonal support member 3 provided above are only an alternative, and those skilled in the art can add appropriate ones according to actual needs to correspondingly increase the strength, and are not limited in detail herein.

Preferably, as shown in fig. 2 and 4, in the present embodiment, the guide rail portion is two sliding grooves 111 respectively opened on two first longitudinal beams 112, openings of the two sliding grooves 111 are oppositely disposed, the inclined strut assembly 3 further includes a sliding shaft 31, the sliding shaft 31 is connected between two third longitudinal beams 32, two ends of the sliding shaft 31 are respectively inserted into the two sliding grooves 111, so that the second end (i.e., the lower end) of the inclined strut assembly 3 can rotate relative to the bottom support assembly 1 and can slide along the guide rail portion, the structure is simple, and parts are few. Of course, in other embodiments, the guide rail portion may be a linear guide rail, a slider capable of sliding along the linear guide rail is disposed on the linear guide rail, and the lower end of the third longitudinal beam 32 is hinged to the slider, and this scheme may also enable the second end of the diagonal bracing component 3 to rotate relative to the bottom support component 1 and slide along the guide rail portion, and the setting may be selected according to actual needs, which is not limited herein.

Preferably, as shown in fig. 2 and 4, in the present embodiment, the driving locking assembly 4 includes a first ferromagnetic member and a first electromagnetic assembly 41, the first ferromagnetic member is fixed to the second end of the diagonal brace assembly 3, specifically, the first ferromagnetic assembly is fixed to one end of the third longitudinal brace 32 close to the bottom brace assembly 1, the first electromagnetic assembly 41 is disposed on the first longitudinal brace 112 and is located at one end of the guide rail portion along the direction X, when the first electromagnetic assembly 41 is energized, a magnetic force can be generated on the first ferromagnetic member, by changing the current direction of the first electromagnet, the direction of the magnetic force can be changed, so that the first ferromagnetic member is subjected to an acting force close to the first electromagnetic assembly 41 or far from the first electromagnetic assembly 41, and the first ferromagnetic member and the second end of the diagonal brace assembly 3 are close to or far from the first electromagnetic assembly 41 along the sliding chute 111, and the supporting and folding are completed. The electromagnetic assembly is matched with the ferromagnetic part to drive, and the transmission assembly does not need to be additionally arranged, so that the structure is simple. When the current of the first electromagnetic assembly 41 is changed, the acting force of the first electromagnetic assembly 41 on the first ferromagnetic member can be changed, so that the first ferromagnetic member can stop at different positions of the guide rail portion, that is, the inclination angle of the bracing assembly 3 connected with the first ferromagnetic member can be adjusted.

In this embodiment, the first electromagnetic assembly 41 is an electromagnet, and the electromagnet generates a magnetic field when being energized, so as to generate a magnetic force on the first ferromagnetic member, so that the first ferromagnetic member moves along the sliding slot 111. Preferably, as shown in fig. 2, the driving locking assembly 4 includes two first electromagnetic assemblies 41, the two first electromagnetic assemblies 41 are respectively disposed at the ends of the two first longitudinal beams 112, correspondingly, the lower end of each third longitudinal beam 32 is connected to a first ferromagnetic member, and the two first electromagnetic assemblies 41 jointly drive the diagonal bracing assembly 3, so that the movement process of the diagonal bracing assembly 3 is more stable and smooth. In other embodiments, the driving locking assembly 4 is not limited to the above-mentioned electromagnetic assembly and ferromagnetic component, and may be selectively arranged according to actual needs by a manner of a motor engaging a lead screw nut.

Further, in order to lock the relative position between the lower end of the inclined strut assembly 3 and the bottom support assembly 1, as shown in fig. 4, the driving locking assembly 4 further includes a fastener 42, and the fastener 42 penetrates through the second end of the inclined strut assembly 3 and can lock the second end of the inclined strut assembly 3 on the bottom support assembly 1. Alternatively, the fastener 42 is a bolt that passes through the third longitudinal beam 32 and is threadedly connected to the third longitudinal beam 32, and when the bolt is turned, the bolt can abut the first longitudinal beam 112, so that the position between the sprag assembly 3 and the base support assembly 1 can be locked. In other embodiments, the fastening member 42 may also be a pin, the pin is inserted into the third longitudinal beam 32, and a plurality of pin holes are formed in the first longitudinal beam 112 at intervals along the X direction, and when the pin is opposite to any one of the pin holes in the first longitudinal beam 112, the pin is partially pressed into the pin hole, so that the position locking of the inclined strut assembly 3 and the bottom support assembly 1 can be realized.

Preferably, as shown in fig. 1, 2 and 5, the bottom supporting assembly 1 further comprises a horizontal limiting rod 12 connected to the supporting frame 11, the horizontal limiting rod 12 and the guiding rail are respectively located at two sides of the supporting assembly 2, the horizontal limiting rod 12 is parallel to the supporting plane, and after the bottom supporting assembly 1 is partially inserted into the forklift hole 101 below the tray 100, the horizontal limiting rod 12 can be hooked on the supporting leg 102 of the tray 100. When using photovoltaic module's leaning on the frame, lean on back on bearing subassembly 2 as photovoltaic module 200, whole leaning on the frame and receive photovoltaic module 200's thrust, and horizontal gag lever post 12 hooks the setting mode of establishing the landing leg 102 of tray 100 and can prevent that the leaning on the frame is promoted by photovoltaic module 200, guarantees the reliability that the leaning on the frame supports photovoltaic module 200. Specifically, in the present embodiment, the bottom bracket assembly 1 includes two lateral restraining bars 12, and the two lateral restraining bars 12 are respectively disposed on the two first longitudinal beams 112.

Preferably, as shown in fig. 1, 2 and 5, the transverse limiting rod 12 is disposed through the first longitudinal beam 112, and the bottom support assembly 1 further includes a limiting rod driving assembly 13, where the limiting rod driving assembly 13 is configured to drive the transverse limiting rod 12 to move along the length direction thereof relative to the support frame 11. In this embodiment, each lateral restraint rod 12 correspondingly penetrates through one first longitudinal beam 112, and each lateral restraint rod 12 is correspondingly provided with one restraint rod driving assembly 13. The general process of using a backrest frame of a photovoltaic module is as follows: when the driving locking assembly 4 drives the leaning frame to the unfolding state, the two limiting rod driving assemblies 13 respectively drive the corresponding transverse limiting rods 12 to move, so that the two transverse limiting rods 12 are positioned between the two first longitudinal beams 112 to avoid, and the bottom supporting assembly 1 can conveniently and smoothly extend into the forklift hole 101 at the bottom of the tray 100; then, the two stop lever driving assemblies 13 respectively drive the corresponding lateral stop levers 12 to move to the outer sides of the corresponding first longitudinal beams 112 in the direction away from each other, so that the lateral stop levers 12 can hook the support legs 102 of the pallet 100.

Preferably, the limit rod driving assembly 13 includes a second ferromagnetic member 131 and a second electromagnetic member 132, the second ferromagnetic member 131 is disposed at one end of the transverse limit rod 12, the second electromagnetic member 132 is disposed on the supporting frame 11, when the second electromagnetic member 132 is energized, a magnetic field is generated, the magnetic field acts on the second ferromagnetic member 131, so that the second ferromagnetic member 131 is close to or away from the corresponding second electromagnetic member 132, the transverse limit rod 12 moves relative to the supporting frame 11 along the length direction thereof, and then the transverse limit rod 12 is retracted or extended out of the first longitudinal beam 112 to hook the leg 102 of the tray 100, the structure is simple, and no additional transmission structure is required. It is understood that, in other embodiments, the limiting rod driving assembly 13 may also be a linear cylinder or the like, which is not limited herein. Further, as shown in fig. 5, the two ends of the supporting frame 11 through which the lateral limiting rod 12 passes are respectively provided with a stop member 14, and the stop members 14 are used for abutting against the supporting frame 11 to stop the movement of the lateral limiting rod 12, so as to prevent the lateral limiting rod 12 from coming out of the first longitudinal beam 112.

Preferably, as shown in fig. 2, the backrest frame of the photovoltaic module further includes a solar panel 5, and the solar panel 5 can supply power to the driving locking assembly 4 and the limiting rod driving assembly 13, so as to avoid introducing an external power supply to supply power to the driving locking assembly 4 and the limiting rod driving assembly 13, and make the backrest frame of the photovoltaic module more convenient for field use. In this embodiment, the backrest frame of the photovoltaic module includes two solar panels 5, and the two solar panels 5 can respectively provide currents with opposite directions for the driving locking assembly 4, so that the first electromagnetic assembly 41 can generate opposite and opposite acting forces on the first ferromagnetic member to realize the unfolding and folding of the backrest frame. The two solar panels 5 can also respectively provide currents with opposite directions for the limiting rod driving assembly 13, so that the second electromagnetic assembly 132 can generate acting forces with opposite directions on the second ferromagnetic member 131 to avoid the transverse limiting rod and hook the supporting leg 102 of the tray 100.

Preferably, in this embodiment, as shown in fig. 2, the solar panel 5 is connected to the support element 2, and the working surface of the solar panel 5 is arranged coplanar with the support plane. In some cases, when the size of the photovoltaic module 200 is large, the photovoltaic module 200 may be partially supported on the solar panel 5, and since the solar panel 5 has a certain toughness, the solar panel 5 may also play a role of buffering the photovoltaic module 200.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the utility model and are not to be construed as limitations of the embodiments of the present invention, but may be modified in various embodiments and applications by those skilled in the art according to the spirit of the present invention, and the content of the present description should not be construed as a limitation of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A photovoltaic module's leaning frame, characterized in that includes:

the bottom support assembly (1) is configured to be supported on the ground, and a guide rail part extending along a preset direction is arranged on the bottom support assembly (1);

the supporting component (2) is hinged to the bottom supporting component (1) at one end, and the supporting component (2) comprises a supporting plane for supporting the photovoltaic component;

the first end of the inclined strut component (3) is hinged with the other end of the bearing component (2), and the second end of the inclined strut component can rotate relative to the bottom supporting component (1) and can slide along the guide rail part;

the driving locking assembly (4) can drive the second end of the inclined strut assembly (3) to slide along the guide rail part, and the second end of the inclined strut assembly (3) is fixed at any position of the guide rail part.

2. The headrest for photovoltaic modules according to claim 1, characterized in that said actuation locking assembly (4) comprises:

a first ferromagnetic member secured to a second end of the sprag assembly (3);

the first electromagnetic assembly (41) is arranged at one end of the guide rail part, the first electromagnetic assembly (41) can act on the first ferromagnetic part to enable the second end of the inclined strut assembly (3) to slide along the guide rail part, and the acting force of the first electromagnetic assembly (41) on the first ferromagnetic part is adjustable.

3. The photovoltaic module headrest according to claim 2, characterized in that the driving locking module (4) further comprises a fastener (42), the fastener (42) penetrates through the second end of the diagonal brace module (3) and can lock the second end of the diagonal brace module (3) on the bottom support module (1).

4. The backrest frame of a photovoltaic module according to claim 1, wherein a sliding shaft (31) is provided at a second end of the inclined strut assembly (3), the guide rail portion is two sliding grooves (111) oppositely arranged on the bottom support assembly (1), and two ends of the sliding shaft (31) are respectively provided in the two sliding grooves (111) and can slide along the sliding grooves (111).

5. The headrest for photovoltaic modules according to any of claims 1 to 4, characterized in that said bottom support assembly (1) comprises:

the supporting frame (11) extends along the preset direction, and one end of the supporting component (2) is hinged to the middle part of the supporting frame (11) along the preset direction;

horizontal gag lever post (12), horizontal gag lever post (12) with guide rail portion sets up respectively support frame (11) and the both sides that are located bearing component (2) on, horizontal gag lever post (12) with bearing plane parallel arrangement, horizontal gag lever post (12) are used for hooking landing leg (102) of locating tray (100).

6. The photovoltaic module backrest frame according to claim 5, wherein the transverse limiting rod (12) is arranged through the support frame (11), the bottom support assembly (1) further comprises a limiting rod driving assembly (13), and the limiting rod driving assembly (13) is used for driving the transverse limiting rod (12) to move relative to the support frame (11) along the length direction of the transverse limiting rod.

7. The headrest for photovoltaic modules according to claim 6, characterized in that said stop-bar driving assembly (13) comprises:

a second ferromagnetic member (131) provided at one end of the lateral restraining bar (12);

a second electromagnetic assembly (132) disposed on the support frame (11), the second electromagnetic assembly (132) being capable of acting on the second ferromagnetic member (131) to move the lateral restraint bar (12) along its length relative to the support frame (11).

8. The photovoltaic module backrest frame according to claim 6, wherein the two ends of the support frame (11) where the transverse limiting rods (12) penetrate through are respectively provided with a stop member (14), and the stop members (14) are used for abutting against the support frame (11) to stop the movement of the transverse limiting rods (12).

9. A backrest frame for a photovoltaic module according to any one of claims 1-4, characterized in that it further comprises a solar panel (5), said solar panel (5) being able to power said drive locking module (4);

the leaning frame of the photovoltaic module comprises two solar panels (5), and the two solar panels (5) can provide currents in opposite directions for the driving locking module (4).

10. The rest according to claim 9, characterised in that the solar panel (5) is connected to the supporting element (2) and in that the working surface of the solar panel (5) is arranged coplanar with the supporting plane.

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