CN216904731U

CN216904731U - Fixed knot constructs and photovoltaic equipment

Info

Publication number: CN216904731U
Application number: CN202123215829.8U
Authority: CN
Inventors: 叶振华; 黄猛; 姜颖异; 黄子烺
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-07-05
Anticipated expiration: 2031-12-20

Abstract

The utility model provides a fixing structure and photovoltaic equipment. The fixing structure comprises a locking piece and two fixing pieces clamped with each other, and each fixing piece comprises an installation plate; the reinforcing piece is arranged on the mounting plate, and a mounting groove is formed between the reinforcing piece and the mounting plate; the reinforcing piece of one fixing piece is arranged in the mounting groove of the other fixing piece; the retaining member is simultaneously in locking fit with the two fixing members. According to the fixing structure and the photovoltaic equipment, the contact area between the metal plate and the locking piece is doubled by arranging the reinforcing piece and the mounting groove, the reinforcing piece can be used for sharing the bearing of most of the locking piece, the tangential stress required to be borne by the locking piece in vibration is effectively reduced, the contact stress of the locking piece in a static state is reduced, and the problems of deformation and fracture of the locking piece are effectively solved.

Description

Fixed knot constructs and photovoltaic equipment

Technical Field

The utility model relates to the technical field of part fixing and mounting, in particular to a fixing structure and photovoltaic equipment.

Background

An IGBT (insulated gate bipolar transistor) is used as a core device for electric energy conversion, and is widely applied to various power electronic applications with current transformation requirements, and in some application scenarios with large current and high voltage, a radiator needs to be used together due to large heat productivity, so as to ensure that the IGBT is in a temperature range in which the IGBT normally works. In the field of new energy of photovoltaic power generation, an IGBT serves as a main switch of a rectifier module in a photovoltaic frequency converter to rectify and output electric energy collected by a photovoltaic panel, the electric current collected by the photovoltaic panel is large, the fluctuation is strong, a heater of the IGBT is large, and the requirement on the heat dissipation function of a radiator is high. Therefore, the radiator is often large, and the mode that the refrigerant is filled into the copper pipe is adopted to dissipate heat, so that several problems can be generally caused: 1. the radiator has a large contact area with air, condensate water is generated, sponge needs to be wrapped outside the radiator, the softness degree of the sponge is large, and an assembly error which cannot be accurately measured in a design stage can be generated in actual installation; 2. in the cabinet body that has the requirement to spatial structure, when the exit tube of radiator copper pipe below, the radiator can only be unsettled fixed, and the fixed panel beating of tradition is flaky shape again, and radiator weight is big, and two piece flaky panel beating are little with the fixed mode sectional area of contact of bolt, and the bolt can consequently take place deformation, still can be because the tangential stress of instantaneous production is too big and the fracture takes place in the great shock test of intensity.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the radiator is unreliable in fixation in the prior art, the fixing structure and the photovoltaic equipment are provided, wherein the fixing reliability is improved through the reinforcing piece and the installation groove.

A fixed knot constructs, includes retaining member and two mountings of mutual joint, the mounting includes:

mounting a plate;

the reinforcing piece is arranged on the mounting plate, and a mounting groove is formed between the reinforcing piece and the mounting plate;

the reinforcing piece of one fixing piece is arranged in the mounting groove of the other fixing piece;

the retaining member is simultaneously in locking fit with the two fixing members.

Be provided with first fixed orifices on the mounting panel, be provided with on the reinforcement with the second fixed orifices that first fixed orifices corresponds, the retaining member wears to locate simultaneously first fixed orifices with in the second fixed orifices.

The first fixing hole is a long round hole; and/or the second fixing hole is a long round hole.

Still be provided with the third mounting hole on the mounting panel, the third mounting hole is located one side of reinforcement.

The section of the mounting groove is U-shaped.

At least part of the edge of the mounting plate is bent to form the reinforcing piece.

A photovoltaic device comprises the fixing structure.

The photovoltaic apparatus further includes:

a mounting structure;

a device to be fixed, the device to be fixed being arranged on the mounting structure through the fixing structure.

The photovoltaic equipment further comprises a support piece, and the lower end of the device to be fixed is arranged on the mounting structure through the support piece.

The supporting piece is provided with a supporting plate, and the supporting plate is abutted to the lower end face of the device to be fixed.

And a part of the supporting piece is bent to form the supporting plate.

The support piece is further provided with two fourth mounting holes, the support piece is arranged on the device to be fixed through the fourth mounting holes, and the support plate is located between the two fourth mounting holes.

According to the fixing structure and the photovoltaic equipment, the contact area between the metal plate and the locking piece is doubled by arranging the reinforcing piece and the mounting groove, the reinforcing piece can be used for sharing the bearing of most of the locking piece, the tangential stress required to be borne by the locking piece in vibration is effectively reduced, the contact stress of the locking piece in a static state is reduced, and the problems of deformation and fracture of the locking piece are effectively solved.

Drawings

Fig. 1 is a schematic structural diagram of a fixing member according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a photovoltaic device provided in an embodiment of the present invention, in which two fixing members are not completely fastened together;

FIG. 3 is a schematic view of a portion of FIG. 2 at A;

fig. 4 is another schematic structural diagram of a photovoltaic device provided in an embodiment of the present invention;

FIG. 5 is a partial schematic view of FIG. 4 at B;

fig. 6 is a schematic structural view of a photovoltaic device according to an embodiment of the present invention, in which two fixing members are completely fastened together;

FIG. 7 is a partial schematic view of FIG. 6 at C;

in the figure:

2. a fixing member; 21. mounting a plate; 22. a reinforcement; 23. mounting grooves; 24. a first fixing hole; 25. a second fixing hole; 26. a third mounting hole; 3. a device to be fixed; 4. a support member; 41. a support plate; 42. and a fourth mounting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The fixing structure shown in fig. 1 comprises a locking member (not shown in the figure) and two fixing members 2 clamped to each other, wherein the fixing members 2 comprise: a mounting plate 21; the reinforcing piece 22 is arranged on the mounting plate 21, and a mounting groove 23 is formed between the reinforcing piece 22 and the mounting plate 21; the reinforcing member 22 of one fixing member 2 is disposed in the mounting groove 23 of the other fixing member 2; the locking piece is simultaneously in locking fit with the two fixing pieces 2. Make the area of contact of panel beating and retaining member double through setting up reinforcement 22 and mounting groove 23 to can utilize reinforcement 22 to share the bearing of a most retaining member, the required tangential stress who bears of retaining member and the contact stress of reduction retaining member under the static condition when effectively reducing vibrations, the effectual retaining member of having overcome produces deformation and cracked problem.

Be provided with first fixed orifices 24 on the mounting panel 21, be provided with on the reinforcement 22 with the corresponding second fixed orifices 25 of first fixed orifices 24, the retaining member wears to locate simultaneously first fixed orifices 24 with in the second fixed orifices 25. When the two fixing members 2 are clamped with each other, the locking member sequentially passes through the first fixing hole 24 of the first fixing member 2, the second fixing hole 25 of the second fixing member 2, the second fixing hole 25 of the first fixing member 2 and the first fixing hole 24 of the second fixing member 2, so that the two fixing members 2 are locked and fixed.

Preferably, the locking member comprises a bolt and a nut, and the bolt is simultaneously arranged on the two fixing members 2 in a penetrating manner and is locked with the nut in a threaded fit manner.

The first fixing hole 24 is a long round hole; and/or the second fixing hole 25 is a long round hole. The fixing structure has a certain width adjusting function, and the problem that the actual installation error of the fixing device cannot be installed due to the fact that the fixing device is wrapped by the sponge can be avoided.

The mounting plate 21 is further provided with a third mounting hole 26, and the third mounting hole 26 is located on one side of the reinforcing member 22. The mounting member is mounted to the device to be fixed through the third mounting hole 26.

The section of the mounting groove 23 is U-shaped. That is, when the fixing members 2 are clamped with each other, the two U-shaped mounting grooves 23 are buckled with each other to realize clamping fixation.

At least part of the edge of the mounting plate 21 is bent to form the reinforcing member 22. Preferably, a part of the edge of the mounting plate 21 is extended to form an extension, and then the extension is bent to form the reinforcing member 22.

The heat radiator of the general frequency converter cabinet body adopts a two-way cold pipe heat radiation mode, the mode can only discharge pipes from the side direction, so that the cabinet body space has to be lengthened to reserve enough side space for the cold pipes to discharge the pipes, and the position of the back plate also needs to reserve enough space for two ways of four cold pipes to enter and exit the refrigerant ports, so that the cabinet body with the backpack requirement is not friendly. And adopt the radiator cold tube exit tube scheme of single cold pipe export downwards, because need the lower part to leave certain space for the cold tube exit tube, the radiator can hang in the air, and the weight of the whole radiator of traditional straight type panel beating fixed mode all can concentrate on fixed bolt to the area of contact of bolt and panel beating is little, and the atress is big, can make the bolt take place to warp even fracture easily when long-time contact perhaps takes place vibrations.

To this end, another aspect of the present application also provides a photovoltaic device as shown in fig. 2 to 7, including the above-described fixing structure. The problem that bolts (locking pieces) deform or even break in the prior art is effectively solved through the fixing structure.

The photovoltaic apparatus further includes: a mounting structure; a device 3 to be fixed, the device 3 to be fixed being arranged on the mounting structure by the fixing structure. Wherein one fixing piece 2 in the fixing structure is arranged on the mounting structure, the other fixing piece 2 is arranged on the device to be fixed 3, and the fixing device is fixed on the mounting structure by the clamping fit of the two fixing pieces 2 and the locking of the locking piece (as shown in fig. 7). Wherein, the device 3 to be fixed is a radiator.

Wherein the mounting structure may be an inner surface of a housing of the photovoltaic device, or may be a mounting plate 21 of an IBGT.

The photovoltaic equipment further comprises a supporting piece 4, and the lower end of the device 3 to be fixed is arranged on the mounting structure through the supporting piece 4. The lower end face of the device to be fixed 3 is supported by the support piece 4, so that the weight of the device to be fixed 3 is further borne, the weight of the device to be fixed 3 is borne together with the fixed structure, the amplitude is limited, and deformation and breakage of bolts are further avoided.

The support 4 is provided with a support plate 41, and the support plate 41 is abutted against the lower end face of the device to be fixed 3. I.e. the support plate 41 forms a support platform for supporting the device 3 to be fixed. The supporting member 4 is disposed on a side surface of the device 3 to be fixed, and the supporting plate 41 is supported and abutted on a lower end surface of the device 3 to be fixed, and the supporting plate 41 is used to support the lower end surface of the device 3 to be fixed.

A part of the support member 4 is bent to form the support plate 41.

Two fourth mounting holes 42 are further formed in the supporting member 4, the supporting member 4 is disposed on the device to be fixed 3 through the fourth mounting holes 42, and the supporting plate 41 is located between the two fourth mounting holes 42. Reliable limiting of the to-be-fixed device 3 can be achieved through the two fourth mounting holes 42, and stress generated by tilting of the to-be-fixed device 3 on the supporting plate 41 is avoided.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A fixing structure, characterized in that: two mounting (2) including retaining member and mutual joint, mounting (2) include:

a mounting plate (21);

the reinforcing piece (22) is arranged on the mounting plate (21), and a mounting groove (23) is formed between the reinforcing piece (22) and the mounting plate (21);

the reinforcing piece (22) of one fixing piece (2) is arranged in the mounting groove (23) of the other fixing piece (2);

the locking piece is simultaneously in locking fit with the two fixing pieces (2).

2. The fixing structure according to claim 1, wherein: be provided with first fixed orifices (24) on mounting panel (21), be provided with on reinforcement (22) with second fixed orifices (25) that first fixed orifices (24) are corresponding, the retaining member wears to locate simultaneously first fixed orifices (24) with in the second fixed orifices (25).

3. The fixing structure according to claim 2, wherein: the first fixing hole (24) is a long round hole; and/or the second fixing hole (25) is a long round hole.

4. The fixing structure according to claim 2, wherein: the mounting plate (21) is further provided with a third mounting hole (26), and the third mounting hole (26) is located on one side of the reinforcing piece (22).

5. The fixing structure according to claim 1, wherein: the section of the mounting groove (23) is U-shaped.

6. The fixing structure according to claim 1 or 5, wherein: at least part of the edge of the mounting plate (21) is bent to form the reinforcing piece (22).

7. A photovoltaic device, characterized by: comprising the fixation structure of any one of claims 1 to 6.

8. The photovoltaic device of claim 7, wherein: the photovoltaic device further includes:

a mounting structure;

a device (3) to be fixed, the device (3) to be fixed being arranged on the mounting structure by the fixing structure.

9. The photovoltaic device of claim 8, wherein: the photovoltaic equipment further comprises a supporting piece (4), and the lower end of the device to be fixed (3) is arranged on the mounting structure through the supporting piece (4).

10. The photovoltaic device of claim 9, wherein: the supporting piece (4) is provided with a supporting plate (41), and the supporting plate (41) is abutted to the lower end face of the device to be fixed (3).

11. The photovoltaic device of claim 10, wherein: a part of the supporting piece (4) is bent to form the supporting plate (41).

12. The photovoltaic device of claim 10, wherein: the supporting piece (4) is further provided with two fourth mounting holes (42), the supporting piece (4) is arranged on the device to be fixed (3) through the fourth mounting holes (42), and the supporting plate (41) is located between the two fourth mounting holes (42).