TWI601372B - Solar panel fixtures - Google Patents

Description

Solar panel fixture

The present invention relates to a fixture, and more particularly to a solar panel fixture.

Referring to FIG. 1, a conventional solar panel fixing device for mounting a plurality of solar panels 61 (only one of which is shown in FIG. 1) includes a plurality of extruded rods 62 extending forward and backward and spaced apart from each other, each extruded type. The rod 62 has a support portion 621 and an upper pressing portion 622. The solar panel 61 is sandwiched by the support portion 621 and the upper pressing portion 622. However, the extrusion rod 62 is integrally formed, so that the support portion 621 is spaced apart from the upper pressing portion 622. It cannot be changed, and therefore cannot be applied to the solar panels 61 having different thicknesses, so the versatility is low.

Referring to Figures 2 and 3, a conventional solar panel fixture is used to mount a plurality of solar panels 71. The solar panel fixing device includes a plurality of extruded rods 72 extending from left to right and spaced apart from each other (only one is shown in FIG. 2), and a plurality of external abutting units 73 respectively fixedly mounted to the extruded rods 72. Each of the external abutting units 73 includes an upper pressing plate 731 interposed between two adjacent solar panels 71 and pressed against the solar panels 71, and a plurality of upper pressing plates 731 are screwed and fixed to the extruded rod 72. Lock the firmware 732. The solar panels 71 are pressed downward by the upper pressing plate 731, and the solar panels 71 can be fixed between the upper pressing plate 731 and the extruded rod 72, and the upper pressing plate 731 and the extruded rod 72 can follow The thickness of the solar panels 71 changes the relative distance.

However, the solar panel fixing device described above only locks the upper pressing plate 731 through the upper locking members 732, and cannot firmly press the solar panels 71. Therefore, the existing solar panel fixing device still needs to be improved.

Accordingly, it is an object of the present invention to provide a solar panel fixing device capable of stably fixing a solar panel.

Therefore, the solar panel fixing device of the present invention is suitable for mounting and erecting at least one solar panel, wherein the at least one solar panel comprises a panel body, an outer frame framed around the periphery of the panel body, and an inner frame from the bottom end of the panel frame. An inner wall extending and spaced apart from the plate body, the left and right sides of the solar panel are defined as a side, the front and rear sides of the solar panel are defined as end sides, and the solar panel fixing device comprises a chassis, at least one Inner clamping unit, and at least one external unit.

The chassis includes a plurality of extruded rods that are spaced apart from one another and extend along a longitudinal direction of the front and rear. The at least one inner clamping unit comprises at least one fixing splint mounted to one of the extruded rods for clamping a side or an end side of at least one solar panel, the at least one fixing clamping plate having a mounting fixed to the extrusion a fixing wall of the rod, a first clamping wall extending from the fixing wall into the outer frame and located below the inner expansion wall, and a space disposed above the first clamping wall to be engaged with the first clamping wall a second wall of the inner wall and a connecting wall connecting the first wall and the second wall toward one side of the outer frame. The at least one outer abutting unit includes an upper pressure plate fixed to one of the extruded rods for pressing against a side or end side of the at least one solar panel.

The effect of the invention is that, through the design of the at least one inner clamping unit and the at least one outer abutting unit, the at least one solar panel can be double-fixed from the inside and the outside respectively, thereby effectively reinforcing the fixing effect, thereby avoiding the at least one piece. The solar panel is separated from the solar panel fixture by weather factors such as typhoon.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 4, FIG. 5 and FIG. 6, an embodiment of the solar panel fixing device of the present invention is suitable for tiling and arranging a plurality of solar panels 9. In FIG. 4, the number of the solar panels 9 is four, but in practice The number of the solar panels 9 is not limited to this embodiment. Each of the solar panels 9 includes a single plate body 91, an outer frame 92 framed around the periphery of the plate body 91, and an inner expansion wall 93 extending inwardly from the bottom end of the outer frame 92, as viewed from the overall plan view. The left and right sides of the solar panel 9 are defined as a side 94, and the front and rear sides of the solar panel 9 are defined as end sides 95.

In the present embodiment, the solar panel fixing device comprises a chassis 1, a plurality of inner clamping units 2, 2', and a plurality of external abutting units 3, 3'.

The chassis 1 includes a plurality of bases 11 fixed to a tin roof of a house, a factory, etc., and a plurality of extruded rods that are locked to the bases 11 and extend along a longitudinal direction of the front and rear and are spaced apart from each other. 12. The extruded rod 12 has a dovetail-shaped top groove 121 extending forward-rearwardly on the top side and having an open cross-section in the cross-section, and two tails extending on the left and right sides and extending transversely outwardly Shaped side grooves 122.

The inner clamping units 2, 2' are divided into four inner clamping units 2 between two adjacent solar panels 9, and eight inner clamping units 2' located around the solar panels 9. The external abutting units 3, 3' are divided into four outer abutting units 3 between two adjacent solar panels 9, and eight outer abutting units 3' located around the solar panels 9.

Referring to FIG. 5, FIG. 6, and FIG. 7, each inner clamping unit 2 is interposed between two adjacent solar panels 9 and includes two front and rear symmetrically mounted and fixed sides of the extruded rod 12 and A fixed clamping plate 21 for holding the end sides 95 of the solar panels 9 and two side locking members 22 respectively corresponding to the fixing clamping plates 21 to the extruded rods 12 are provided.

Each of the fixing jaws 21 includes a fixing wall 211 which is erected against one of the left and right sides of the extruded rod 12 (the right side is taken as an example in FIG. 6), and a top end of the fixing wall 211 extends along the length direction toward the outer frame 92. a first clamping wall 212 extending inside and below the expansion wall 93 of the solar panel 9 , and a first clamping wall 212 disposed above the first clamping wall 212 to cooperate with the first clamping wall 212 to clamp the inner expansion wall 93 The second clamping wall 213 and a connecting wall 214 connected to the first clamping wall 212 and the second clamping wall 213 away from one side of the fixing wall 211. The first clamping wall 212 and the second clamping wall 213 are connected to the connecting wall 214 to form a U-shaped body whose opening is parallel to the length direction. The first clamping wall 212 has two base faces 215 facing upward and spaced back and forth from each other, and a recessed surface portion 216 between the base faces 215 and recessed downwardly, the base faces 215 and the recessed faces The 216 cooperates to define a recess 217. The design of the recess 217 facilitates mold opening and strengthens the structure of the first wall 212.

Each of the side locks 22 has a side screw 221 embedded in a corresponding side groove 122 of the extruded rod 12, and a side nut that abuts against the fixed wall 211 and is screwed to the side screw 221 222. The side screw 221 has a screw head located in the side groove 122, and a screw thread extending outwardly from the screw head and passing through the fixing wall 211 to be screwed to the side nut 222. body. In this embodiment, each of the fixing clamps 21 is locked to the extruded rod 12 through a side fastener 22, but in practice, the number of the side fasteners 22 can be increased or decreased according to the required locking force. This embodiment is limited.

Each of the external abutting units 3 is interposed between two adjacent solar panels 9 and includes an upper pressing plate 31 for pressing the end sides 95 of the solar panels 9, and a screwing plate 31 for fixing the upper pressing plate 31 to The locking member 32 on the extruded rod 12. The upper pressing plate 31 has a fixed pressing wall 311 which is locked by the upper locking member 32 above the extruded rod 12, and two pressing walls which are spaced back and forth and are respectively pressed against the end side 95 of the outer frame 92. 312, and two blocking walls 313 respectively connecting the fixed pressure wall 311 and the pressing walls 312. The barrier ribs 313 are spaced back and forth from each other and abut against the outer edges of the end sides 95 of the solar panels 9, respectively.

The locking hardware 32 has an upper screw 321, a first upper nut 322, and a second upper nut 323. The upper screw 321 has a screw head embedded in the top groove 121, and a screw body extending upwardly from the screw head through the top groove 121 and passing through the fixed pressure wall 311. In this embodiment, the cross section of the screw head is rectangular, and one of the two adjacent sides of the cross section has a length smaller than the opening width of the top slot 121, and the other side is The length is greater than the opening width of the top slot 121. In this way, the screw can be inserted into the top slot 121 from top to bottom, and after being rotated horizontally by a certain angle, the top slot 121 cannot be detached upward, but in practice, This embodiment is limited. The first upper nut 322 is interposed between the fixed pressure wall 311 and the extrusion rod 12 and is screwed against the screw body to abut against the top surface of the extrusion rod 12 . The second upper nut 323 is screwed to the screw body to abut against the fixed pressure wall 311.

Referring to Figure 8, each of the inner clamping units 2' is located around the solar panel 9, which differs from the aforementioned inner clamping unit 2 (see Fig. 7) in that the inner clamping unit 2' includes only one mounting for holding the solar energy. A fixed clamping plate 21 of the end side 95 of the plate 9, and a side locking member 22 for locking the fixing clamping plate 21 to the extruded rod 12.

Each of the outer abutting units 3' is located around the solar panel 9, and differs from the aforementioned outer abutting unit 3 (see FIG. 7) in that the upper pressing plate 31 of the outer abutting unit 3' has only one pressing wall 312 and one block. The partition 313 further has an abutting wall 314 extending downward from the side of the fixed partition 311 away from the side of the blocking partition 313 to abut the extruded rod 12.

Referring to FIG. 9, FIG. 10 and FIG. 11, the solar panel fixing device of the present invention can be assembled by first fixing the extruded rods 12 to each other on the roof of a metal roof at intervals, and then installing one of them. The solar panels 9 are placed on the extruded rods 12 in accordance with a predetermined position.

The fixing plate 21 on the rear side of the two inner clamping units 2 is placed under the end side 95 of the solar panel 9 and moved in the direction of the arrow in FIG. 10 to make the fixing plate 21 and the inside of the solar panel 9 The expansion wall 93 is correspondingly embedded, and then the fixing clamp 21 is locked to the extrusion rods 12. At this time, the first clamping wall 212 of the fixing clamping plate 21 and the second clamping wall 213 can firmly clamp the fixing wall 21 The inner wall 93 of the solar panel 9. Next, the fixing jaws 21 of the inner clamping unit 2 on the front side are locked to the extrusion bars 12, and are spaced apart from the fixing jaws 21 on the rear side by a specific distance as shown in FIG.

Referring to FIG. 12 and FIG. 13, the end side 95 of the other solar panel 9 is correspondingly fitted to the fixed clamping plate 21 of the inner clamping unit 2 on the front side according to the direction of the arrow of FIG. 12, so that it can be as shown in FIG. The two solar panels 9 are connected in parallel.

Referring to FIG. 14 and FIG. 15, the external abutting units 3 are mounted between the solar panels 9, that is, the upper screws 321 of each of the outer abutting units 3 are embedded in the respective top slots 121 (see FIG. 5). And attaching the first upper nut 322, the upper pressing plate 31 and the second upper nut 323 to the upper screw 321 in sequence, so that the external abutting units 3 are pressed against the same as shown in FIG. The end side 95 of the solar panel 9 is configured such that the cross section of the screw head of the locking member 32 is rectangular, so that the upper screw 321 can be directly fitted from the top to the bottom of the extruded rod. 12, but the implementation is not limited to this. Then, the above process is repeated to install the other solar panels 9 on the extruded rods 12, and the inner clamping units 2' and the external abutting units 3' are locked to the extruded rods 12 to It is clamped and pressed against the periphery of the solar panels 9 (see Fig. 4), thus completing the erection of the solar panels 9.

Referring to FIG. 4 and FIG. 7 , after the solar panel fixing device is assembled, if the typhoon and the like are subjected to the weather and the upward thrust is generated for the solar panels 9 , the fixing clamping plates 21 can firmly hold the corresponding solar panels from the inside. The inner wall 93 of the outer wall 31 can be firmly pressed against the corresponding solar panel 9 from the outside to achieve the double fixing effect of the inner and outer portions, so as to avoid the weather factors such as typhoon and the solar panel 9 is detached. The solar panel fixing device can cooperate with the inner and outer surfaces of the corresponding upper pressing plate 31 through the fixing clamping plates 21, and can also limit the inner and outer frames 92 of the solar panels 9 so that the solar panels 9 cannot slide back and forth. Therefore, it is quite stable after assembly.

It should be noted that, in this embodiment, only four solar panels 9 are installed and erected, but in practice, the external abutting units 3, 3' and the inner clamping units 2, 2' may be designed according to the number of solar panels 9. Alternatively, the solar panel 9 may be mounted by a single outer unit 3, 3' and an inner clamping unit 2, 2' in combination with other mounting brackets, not limited to the number of the embodiment.

Referring to FIG. 16, FIG. 17, and FIG. 18, the second embodiment of the solar panel fixing device of the present invention is substantially the same as the structure of the first embodiment, except that the number of the extruded rods 12 is three. The number of the inner clamping units 2 is two, the number of the inner clamping units 2' is four, the number of the external abutting units 3 is two, and the number of the external abutting units 3' is four, and the solar panel The fixture further comprises four inner clamping units 4 between the left and right adjacent solar panels 9, and three outer abutting units 5 between the left and right adjacent solar panels 9.

Each of the inner clamping units 4 is interposed between the left and right adjacent solar panels 9 and includes two left and right symmetrically mounted on the left and right sides of the extruded rod 12 for holding the solar panels 9 The fixing plate 41 of the side 94 and the four side fasteners 42 for locking the fixing plate 41 to the extruded rod 12, respectively.

Each of the fixing clamps 41 includes a fixed wall 411 standing upright against one of the left and right sides of the extruded rod 12, a front end of the fixed wall 411 extending perpendicularly to the outer frame 92 and located at the solar panel. a first clamping wall 412 below the expansion wall 93, a second clamping wall 413 disposed above the first clamping wall 412 and engaging the first clamping wall 412 to clamp the inner expansion wall 93, and A connecting wall 414 is connected to the first clamping wall 412 and the second clamping wall 413 away from one side of the fixing wall 411. The first clamping wall 412 and the second clamping wall 413 are connected in the same manner to the connecting wall 414 as a U-shaped body whose opening is perpendicular to the length direction.

One of the side locks 42 locks one of the fixing jaws 41 to the left side of the extruded rod 12, and the other side locker 42 locks the other of the fixing jaws 41 to the right side of the extruded rod 12. Each of the side locks 42 has a side screw 421 embedded in a corresponding side groove 122 of the extruded rod 12, and a side nut that abuts against the fixed wall 411 and is screwed to the side screw 421. 422. The side screw 421 has a screw head located in the side slot 122, and a screw extending outwardly from the screw head through the side slot 122 and passing through the fixing wall 411 to be screwed to the side nut 422. body. In this embodiment, each of the fixing clamps 41 is locked to the extruded rod 12 through a side fastener 42. However, in practice, the number of the side fasteners 42 can be increased or decreased according to the required locking force. This embodiment is limited.

Each of the outer abutting units 5 is interposed between the left and right adjacent solar panels 9, and includes an upper pressing plate 51 for pressing the side 94 of the solar panels 9, and a screwing and fixing of the upper pressing plate 51 to The upper locking member 52 on the extruded rod 12. The upper pressing plate 51 has a fixed pressing wall 511 locked by the upper locking member 52 above the extruded rod 12, and two pressing walls which are spaced apart from each other and pressed against the side 94 of the outer frame 92 respectively. 512, and two blocking walls 513 respectively connecting the fixed pressing wall 511 and the pressing walls 512. The barrier ribs 513 are spaced apart from each other and abut against the outer edge of the side 94 of the solar panels 9, respectively.

The locking fastener 52 has an upper screw 521, a first upper nut 522, and a second upper nut 523. The side screw 421 has a screw head embedded in the top slot 121, and a screw body extending upwardly from the screw head through the top slot 121 and passing through the fixed pressure wall 511. The first upper nut 522 is interposed between the fixed pressing wall 511 and the extruded rod 12 and is screwed against the screw body to abut against the top surface of the extruded rod 12 . The second upper nut 523 is screwed to the screw body to abut against the fixed pressure wall 511. In practice, the locking members 52 can be increased or decreased according to the required locking force, and are not limited to the embodiment.

By designing the inner clamping unit 4 and the outer abutting unit 5, the side 94 of the left and right adjacent solar panels 9 can be fixed, thereby being able to assist in fixing the solar panels 9 from different directions, and Compared to the first embodiment, this second embodiment can use a smaller number of extruded rods 12 to assemble the same number of solar panels 9, thereby reducing the cost of the material.

It is to be noted that the length between the first clamping wall 412 and the second clamping wall 413 is defined as a clamping length W, and the screw body of the upper locking member 52 and the solar panel 9 The separation distance between the outer edges is defined as a separation length L. In this embodiment, the separation length L is made smaller than the clamping length W, so that when the second upper screw of the locking member 52 is When the cap 523 is shaken off due to weather factors such as typhoon and the upper platen 51 and the first upper nut 522 are both detached, the solar panels 9 tend to slide left and right, and the detachment length L is smaller than the The design of the clamping length W, even if the solar panel 9 slides the disengagement length L to the left and right to abut against the screw of the upper locking member 52, the inner expansion wall 93 of the solar panel 9 is still partially affected by the fixing splint. 41 clamped and could not be separated.

Referring to FIG. 19 and FIG. 20, a third embodiment of the solar panel fixing device of the present invention is different from the second embodiment in that the third embodiment is suitable for lifting and erecting a plurality of solar panels 9 (only in FIG. 19). A solar panel 9 is displayed, and the rest is located behind the solar panel 9 and is blocked. In the embodiment, the number of the extruded rods 12 is two, and the horizontally extending horizontally lies at different heights, and the solar panel fixing device comprises Four inner clamping units 4' respectively located on the side 94 of the solar panel 9, and four outer abutting units 5' respectively located on the side 94 of the solar panel 9.

The structure of each inner clamping unit 4' is different from that of the aforementioned inner clamping unit 4 (see Fig. 18) in that the inner clamping unit 4' includes only one fixing splint for holding the side 94 of the solar panels 9. 41, and the inner clip unit 4' does not require the side locks 42. The fixing wall 411 of the fixing plate 41 has a hook portion 415 which is located at the bottom end and can be hooked on the side groove 122 of the extruded rod 12. The fixing plate 41 further includes an outer portion extending outward from the top end of the fixing wall 411. The auxiliary fixed wall 416 is placed on the top side of the extruded rod 12.

The structure of each of the outer abutting units 5' is different from that of the aforementioned outer abutting unit 5 (see FIG. 18) in that the upper pressing plate 51 of the outer abutting unit 5' has only one pressing wall 512 and one blocking wall 513, and There is also an abutment wall 514 that extends downwardly from the side of the fixed pressure wall 511 away from the side of the barrier wall 513 to abut the auxiliary fixed wall 416. The screw body of the screw 521 on the outer abutting unit 5' is extended upwardly from the screw head through the top slot 121 and through the auxiliary fixing wall 416 and the fixed pressure wall 511. The first upper nut 522 is interposed between the fixed pressure wall 511 and the auxiliary fixing wall 416 and is screwed against the screw body to abut against the top surface of the auxiliary fixing wall 416.

Therefore, through the design of the inner clamping unit 4' and the external abutting units 5', each solar panel 9 can be double-fixed from the inside and the outside, respectively, to effectively enhance the fixing effect, thereby avoiding the solar panels 9 The solar panel fixture is removed from weather factors such as typhoons.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

1‧‧‧ Chassis

11‧‧‧Base

12‧‧‧Extrusion rod

121‧‧‧ top trough

122‧‧‧ side slot

2‧‧‧Inner unit

2'‧‧‧Inner unit

21‧‧‧Fixed splint

211‧‧‧ fixed wall

212‧‧‧First wall

213‧‧‧Second wall

214‧‧‧Connecting wall

215‧‧‧ base face

216‧‧‧Sag face

217‧‧‧ Groove

22‧‧‧ Side Lock Firmware

221‧‧‧ side screws

222‧‧‧ side nut

3‧‧‧External unit

3’‧‧‧External unit

31‧‧‧Upper plate

311‧‧‧Fixed wall

312‧‧‧Top wall

313‧‧ ‧ next door

314‧‧‧Abutment wall

32‧‧‧Locking firmware

321‧‧‧Upper screw

322‧‧‧First upper nut

323‧‧‧Second upper nut

4‧‧‧Inner unit

4'‧‧‧Inner unit

41‧‧‧Fixed splint

411‧‧‧Fixed wall

412‧‧‧First wall

413‧‧‧Second wall

414‧‧‧Connecting wall

415‧‧‧Hook

416‧‧‧Auxiliary fixed wall

42‧‧‧ side lock firmware

421‧‧‧ side screws

422‧‧‧ side nut

5‧‧‧External unit

5’‧‧‧External unit

51‧‧‧Upper platen

511‧‧‧Fixed wall

512‧‧‧Top wall

513‧‧ ‧ next door

514‧‧‧Abutment wall

52‧‧‧Locking firmware

521‧‧‧Upper screw

522‧‧‧First upper nut

523‧‧‧Second upper nut

9‧‧‧ solar panels

91‧‧‧ board

92‧‧‧Front frame

93‧‧‧Inside expansion

94‧‧‧ side

95‧‧‧ end side

W‧‧‧Clamp length

L‧‧‧away length

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is an exploded perspective view showing a conventional solar panel fixing device; FIG. 2 is an exploded perspective view showing another An existing solar panel fixing device; FIG. 3 is a cross-sectional front view showing the assembled structure of the other existing solar panel fixing device; FIG. 4 is a top plan view showing the first embodiment of the solar panel fixing device of the present invention FIG. 5 is an exploded perspective view showing an inner clamping unit and an outer abutting unit of the first embodiment being disposed between two adjacent solar panels; FIG. 6 is a cross-sectional front view illustrating the first FIG. 7 is a cross-sectional side view showing the inner clamping unit of the first embodiment and the external abutting unit erected in an assembled structure in which the inner clamping unit and the outer receiving unit are disposed between the solar panels; The assembled structure between the solar panels; FIG. 8 is a cross-sectional side view showing that the other inner clamping unit of the first embodiment is erected with another external abutting unit. Figure 9 is a top plan view showing a chassis of the first embodiment with a solar panel to be mounted; Figure 10 is a cross-sectional side view showing one of the first embodiment assembled FIG. 11 is a cross-sectional side view showing the assembly process of assembling the one of the fixing plates on the front side of the first embodiment; FIG. 12 is a cross-sectional side view showing the first embodiment. An assembly process in which another solar panel is assembled to a fixed clamp on the front side; FIG. 13 is a top plan view showing that the first embodiment has been erected with two solar panels; FIG. 14 is a cross-sectional side view illustrating the first FIG. 15 is a top plan view showing that the first embodiment has two of the external unit erected on the solar panels; FIG. 16 is a plan view showing the solar energy of the present invention. A second embodiment of the plate fixing device; Fig. 17 is an exploded perspective view showing an inner clamping unit and an outer abutting unit of the second embodiment FIG. 18 is a cross-sectional front view showing the assembled structure of the inner clamping unit and the outer abutting unit between the solar panels in the second embodiment; FIG. 19 is a A front view of a cross-sectional view illustrating a third embodiment of the solar panel fixture of the present invention; and FIG. 20 is an incomplete cross-sectional perspective view showing an inner clamp unit and an outer abutment unit of the third embodiment mounted on a solar energy The assembled structure of the board.

12‧‧‧Extrusion rod

122‧‧‧ side slot

2‧‧‧Inner unit

21‧‧‧Fixed splint

211‧‧‧ fixed wall

212‧‧‧First wall

213‧‧‧Second wall

214‧‧‧Connecting wall

31‧‧‧Upper plate

311‧‧‧Fixed wall

312‧‧‧Top wall

313‧‧ ‧ next door

32‧‧‧Locking firmware

321‧‧‧Upper screw

322‧‧‧First upper nut

323‧‧‧Second upper nut

215‧‧‧ base face

216‧‧‧Sag face

217‧‧‧ Groove

22‧‧‧ Side Lock Firmware

222‧‧‧ side nut

9‧‧‧ solar panels

91‧‧‧ board

92‧‧‧Front frame

93‧‧‧Inside expansion

95‧‧‧ end side

Claims (10)

The invention relates to a solar panel fixing device, which is suitable for mounting at least one solar panel, wherein the at least one solar panel comprises a panel body, an outer frame framed around the periphery of the panel body, and an inner frame extending from the bottom end of the outer frame and The plate body is spaced apart from the inner wall, the left and right sides of the solar plate are defined as a side, and the front and rear sides of the solar panel are defined as end sides. The solar panel fixing device comprises: a chassis comprising a plurality of each other An extruded rod spaced apart and extending along a longitudinal direction of the front and rear direction; at least one inner clamping unit comprising at least one side mounted or fixed to the one of the extruded rods for holding at least one side or end side of the solar panel a fixing plate, the at least one fixing plate has a fixing wall fixed to the extruded rod, a first clamping wall extending from the fixing wall into the outer frame and located below the inner expansion wall, and an interval is disposed on the fixing wall a second clamping wall of the inner expansion wall is engaged with the first clamping wall, and a first clamping wall and the second clamping wall are connected to one side of the outer frame Connecting wall; and at least one outer contact element, comprising a fixed upper platen to such extrusion of rod wherein a and for pressing the at least one solar panel of the side or the end side. The solar panel fixing device of claim 1, wherein the upper pressing plate has a fixed pressing wall fixedly mounted above the extruded rod, and a top portion pressed against a side or an end side of the at least one solar panel. a pressure wall, and a barrier wall connecting the fixed pressure wall and the pressing wall against the side or end side outer edge of the at least one solar panel. The solar panel fixing device of claim 2, wherein the at least one fixing plate is for clamping an end side of the solar panel, the upper pressing plate is for pressing an end side of the solar panel, the first clamping wall is The fixing wall extends toward the length direction, and the first clamping wall and the second clamping wall cooperate with the connecting wall to form a U-shaped clip whose opening is parallel to the length direction, and each of the extruded rods has two respectively a dovetail-shaped side groove extending laterally on opposite sides of the left and right sides and having an open cross-section, the at least one inner clamping unit further comprising at least one side fastener for locking the at least one fixing plate to the extruded rod The at least one side lock is embedded in one of the side grooves and passes through the fixed wall of the at least one fixing plate perpendicular to the length direction, and the at least one fixing plate is locked to the extrusion type One side of the rod. The solar panel fixing device of claim 2, wherein the at least one fixing plate is for clamping a side of the solar panel, the upper pressing plate is for pressing a side of one of the solar panels, the fixing wall is abutting On the left and right sides of the extruded rod, the first clamping wall extends from the fixing wall perpendicular to the length direction, and the first clamping wall and the second clamping wall cooperate with the connecting wall to form an opening vertical a U-shaped clip body in the longitudinal direction, each of the extruded rods has two side grooves extending on the opposite sides of the left and right sides and having a cross-sectional opening facing outward, the at least one inner clamping unit further comprising At least one side lock that locks the at least one fixing clip to the extruded rod, the at least one side lock is embedded in one of the side grooves, and passes through the at least one perpendicular to the length direction The fixing wall of the clamping plate is fixed, and the at least one fixing plate is locked to one side of the extruded rod. The solar panel fixing device according to claim 1, which is suitable for mounting a plurality of solar panels, wherein the at least one external abutting unit is configured to press a side or an end side of two adjacent solar panels, the upper pressing plate having a Mounting a fixed pressure wall fixed above the extrusion rod, two pressure-receiving walls respectively pressing against the side or end sides of the two adjacent solar panels, and two respectively connecting the fixed pressure wall and the pressing pressure The walls are respectively abutted against the barrier walls of the side edges or the outer edges of the two adjacent solar panels. The solar panel fixing device of claim 5, wherein the at least one inner clamping unit comprises two fixedly mounted on one of the extruded rods and respectively for holding the end sides of two adjacent solar panels a clamping plate, the fixing clamping plates are oppositely located on one side of the left and right sides of the extruded rod to respectively clamp the front and rear two adjacent solar panels, each of the extruded rods having two oppositely extending sides on the left and right opposite sides and horizontally The cross-section is a side-shaped slot that is open to the outside, and the at least one inner clamping unit further includes two side locks that lock the fixing clips to the extruded rods, and the side locks are embedded in the side locks. One of the side grooves is passed through the fixing walls of the fixing plates perpendicularly to the length direction, and the fixing plates are locked to one side of the extruded rod. The solar panel fixing device of claim 5, wherein the at least one inner clamping unit comprises two fixedly mounted on one of the extruded rods and respectively for holding the side of the two adjacent solar panels a clamping plate, the fixing clamping plates are respectively located on the left and right sides of the extruded rods to be respectively clamped to the left and right adjacent solar panels, and each of the extruded rods has two oppositely extending sides on the left and right opposite sides and horizontally The cross-section is a side-shaped slot with an opening facing outward, and the at least one inner clamping unit further includes two side locks for locking the fixing clips to the extruded rods, and the side locks are respectively embedded in The side grooves are passed through the fixing walls of the fixing plates perpendicular to the length direction, and the fixing plates are respectively locked to the left and right sides of the extruded rod. The solar panel fixing device of claim 5, wherein each of the extruded rods has a top groove extending forward and backward and having an opening upward, the fixed pressure wall spacing being located above one of the extruded rods, the at least one The outer abutting unit further includes at least one upper locking member for fixing the upper pressing plate to the extruded rod, the upper locking member having an upper screw, a first upper nut, and a second upper nut, the upper screw having a screw head located in the top groove, and a screw body extending upwardly from the screw head and passing through the top groove, the first upper nut is interposed between the fixed pressure wall and the extruded rod and The screw body is corresponding to the top surface of the extrusion rod corresponding to the screw lock, and the second upper nut is screwed to the screw body to abut against the fixed pressure wall. The solar panel fixing device according to claim 1, wherein the first wall has two base faces facing upward and spaced apart from each other, and a concave face that is recessed between the base faces and recessed downward. The base faces cooperate with the recessed faces to define a recess. The solar panel fixing device of claim 8, wherein the length of the inner expansion wall between the first clamping wall and the second clamping wall is a clamping length, and the screw body of the upper locking body is The distance between the outer edges of the solar panels is a detachment length that is less than the nip length.