Photovoltaic power generation inverter

Abstract

The invention relates to the technical field of inverters, and discloses a photovoltaic power generation inverter which comprises a shell, a shell cover and an inverter body, the shell cover is arranged at an opening of the shell, the inverter body is fixedly installed in the shell, a plurality of threading holes are formed in the bottom of the shell, and the threading holes are communicated with the shell. A first wire clamping plate and a second wire clamping plate are symmetrically arranged at the bottom of the shell and located on the periphery of the threading hole, the first wire clamping plate is fixedly connected with the bottom of the shell, and an elastic moving mechanism is arranged between the second wire clamping plate and the bottom of the shell; two mounting seats are symmetrically arranged on the back face of the shell, and an adjusting mechanism connected with the two mounting seats is arranged on the back face of the shell. The photovoltaic power generation inverter is provided with a structure for binding and fixing the connecting wires on the plurality of connectors, so that the connecting wires on the plurality of connectors cannot be scattered, the use safety is improved, and meanwhile, the photovoltaic power generation inverter is provided with a structure for protecting the inverter, so that the inverter can be safely used in a severe environment.

Description

Technical Field

[0001] The present invention relates to the technical field of inverters, and in particular to a photovoltaic power generation inverter. Background Art

[0002] A photovoltaic inverter is an inverter that can convert the variable DC voltage generated by photovoltaic solar panels into AC power at the mains frequency. It can be fed back to the commercial power transmission system or used for off-grid power grids. It is one of the important system balances in the photovoltaic array system and can be used with general AC-powered equipment. It has special functions for cooperating with photovoltaic arrays.

[0003] Among them, the disclosure (announcement) number: CN220067236U discloses an inverter, including a shell, a seal and a connector, the shell includes a first shell part and a second shell part that are arranged opposite to and connected, and the first shell part has a mounting groove at one end facing the second shell part; the seal is arranged in the mounting groove and abuts against the second shell part; the connector is electrically connected to the circuit board of the inverter and passes through the first shell part so that the connector part is exposed in the first shell part, the connector is provided with a sealing groove connected to the mounting groove, and the seal passes through the sealing groove to reduce the problem of assembly inconvenience caused by the protrusion of the seal; the connector includes a first limiting part and a second limiting part, the first limiting part and the second limiting part are respectively located on opposite sides of the sealing groove, and the first shell part is clamped between the first limiting part and the second limiting part, which can effectively fix the position of the connector.

[0004] In the above scheme, multiple connectors connected to the inverter are proposed, but in actual use, it is found that due to the large number of connectors connected to the inverter, the multiple connectors are placed randomly, which is dangerous; in addition, since the inverter is generally installed outdoors and the weather outdoors is relatively bad, it is easy to damage the inverter. Therefore, a photovoltaic power generation inverter is proposed. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides a photovoltaic power generation inverter having a structure for bundling and fixing the connecting wires on multiple connectors, so that the wiring on the multiple connectors will not be placed randomly, thereby improving the safety of use. At the same time, it has a structure for protecting the inverter, so that the inverter can be safely used in harsh environments, thereby solving the problems raised by the background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a photovoltaic power generation inverter, comprising a shell, a shell cover and an inverter body, the shell cover is arranged at the opening of the shell, the inverter body is fixedly installed inside the shell, the bottom of the shell is provided with a plurality of threading holes, the bottom of the shell and the outer periphery of the threading holes are symmetrically provided with a first wire clamping plate and a second wire clamping plate, the first wire clamping plate is fixedly connected to the bottom of the shell, and an elastic moving mechanism is provided between the second wire clamping plate and the bottom of the shell; two mounting seats are symmetrically provided on the back side of the shell, and an adjustment mechanism connected to the two mounting seats is provided on the back side of the shell; a heat dissipation hole is provided on the top of the shell, and a heat exhaust pipe is fixedly provided inside the heat dissipation hole, and a heat exhaust fan is fixedly installed inside the heat exhaust pipe.

[0009] Preferably, the elastic moving mechanism includes a sliding rod, a first slider and a spring, a strip groove is transversely opened at the bottom of the shell, the sliding rod is transversely fixed inside the strip groove, the first slider is slidably set on the rod wall of the sliding rod, the bottom protrusion of the first slider is fixedly connected to the top of the second clamping plate, the spring is movably sleeved on the rod wall of the sliding rod, and the two ends of the spring are respectively fixedly connected to the side wall of the first slider and the side wall of the strip groove.

[0010] Preferably, the first clamping plate and the second clamping plate form a circular tube structure, and the lower end of the first clamping plate and the lower end of the second clamping plate are provided with an arc chamfered structure.

[0011] Preferably, the adjustment mechanism includes a slide rail, two second sliders, a bidirectional screw and a crank handle, the slide rail is vertically fixed on the back side of the shell, the bidirectional screw is vertically rotatably arranged inside the slide rail, and the upper end of the bidirectional screw extends to the outside of the slide rail and is fixedly connected to the crank handle, the two second sliders are symmetrically slidably arranged inside the slide rail, the two second sliders are threaded on the rod wall of the bidirectional screw, and the side walls of the two second sliders are respectively fixedly connected to two mounting seats.

[0012] Preferably, the mounting seat comprises a mounting portion and a connecting portion, one end of the connecting portion is fixedly connected to the mounting portion, and two waist-shaped openings are symmetrically provided on the surface of the mounting portion.

[0013] Preferably, a strip-shaped opening is vertically opened on the side wall of the slide rail, and the connecting portion passes through the inside of the strip-shaped opening and is fixedly connected to the side wall of the second sliding block.

[0014] Preferably, a dustproof net is fixedly provided at the upper end of the heat exhaust pipe to block the heat exhaust fan.

[0015] Preferably, a rain shield is fixedly provided on the top of the shell to shield the heat exhaust pipe.

[0016] Preferably, the inner wall of the shell is provided with a mounting plate, the inverter body is fixedly arranged on the surface of the mounting plate, two L-shaped hanging rods are symmetrically fixedly arranged on one side of the mounting plate away from the inverter body, and the inner wall of the shell is provided with an L-shaped hanging groove matching with the L-shaped hanging rod.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the present invention provides a photovoltaic power generation inverter having the following

[0019] Beneficial effects:

[0020] 1. The photovoltaic power generation inverter is provided with a shell and a shell cover, the inverter body is installed inside the shell, and the shell opening is sealed by the shell cover, so that the inverter body can be protected and used, thereby improving the safety of the inverter body when used outdoors.

[0021] 2. The photovoltaic power generation inverter has a threading hole, a first wire clamping plate and a second wire clamping plate arranged at the bottom of the shell. After the connector is connected to the inverter body, the connecting wire passes through the inside of the threading hole, and then the second wire clamping plate is pulled outward, so that the first slider moves on the slide rod and stretches the spring. After multiple connecting wires are completely placed in the first wire clamping plate and the second wire clamping plate, the outside of the second wire clamping plate is released, so that the spring applies elastic force to the first slider and drives the second wire clamping plate to move, so that the first wire clamping plate and the second wire clamping plate cooperate to clamp and fix multiple connecting wires, avoid the phenomenon of multiple connecting wires being placed randomly, and improve the safety of use.

[0022] 3. The photovoltaic power generation inverter has a mounting seat arranged on the back of the shell. Since the installation positions on the photovoltaic mounting frame have different spacings, it is necessary to adjust the spacing between the two mounting seats before installing the shell. At this time, the two mounting seats are made relatively close or relatively far apart through the adjustment mechanism, thereby ensuring that the shell is fixedly installed on the photovoltaic mounting frame for use.

[0023] 4. The photovoltaic power generation inverter has a heat exhaust pipe and a heat exhaust fan arranged on the top of the shell. Due to the high outdoor temperature and the large amount of heat generated by the inverter body during operation, the heat exhaust fan can be turned on to discharge the heat inside the shell to the outside, thereby improving the heat dissipation effect of the inverter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the structure of a photovoltaic power generation inverter proposed by the present invention;

[0025] Figure 2 for Figure 1 The structure enlarged diagram of the local A part;

[0026] Figure 3 for Figure 1 A three-dimensional view of the first clamping plate and the second clamping plate;

[0027] Figure 4 for Figure 1 Side view of the middle mount;

[0028] Figure 5 for Figure 1 Schematic diagram of the structure of the heat exhaust pipe and heat exhaust fan.

[0029] In the figure: 1. shell; 2. shell cover; 3. inverter body; 4. threading hole; 5. first wire clamping plate; 6. second wire clamping plate; 7. mounting seat; 8. heat exhaust pipe; 9. heat exhaust fan; 10. slide bar; 11. first slider; 12. spring; 13. slide rail; 14. second slider; 15. bidirectional screw; 16. crank handle; 17. mounting part; 18. connecting part; 19. waist-shaped mouth; 20. dustproof net; 21. rain shield; 22. mounting plate; 23. L-shaped hanging rod; 24. L-shaped hanging groove. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example 1

[0032] See also Figure 1-3A photovoltaic power generation inverter comprises a shell 1, a shell cover 2 and an inverter body 3, the shell cover 2 is arranged at the opening of the shell 1, the inverter body 3 is fixedly installed inside the shell 1, a plurality of threading holes 4 are arranged at the bottom of the shell 1, a first clamping plate 5 and a second clamping plate 6 are symmetrically arranged at the bottom of the shell 1 and located at the periphery of the threading holes 4, the first clamping plate 5 and the second clamping plate 6 form a circular tube structure, the lower end of the first clamping plate 5 and the lower end of the second clamping plate 6 are provided with an arc chamfer structure, which can avoid damage to the connecting line, the first clamping plate 5 is fixedly connected to the bottom of the shell 1, an elastic moving mechanism is arranged between the second clamping plate 6 and the bottom of the shell 1, the elastic moving mechanism comprises a slide bar 10, a first slider 11 and a spring 12, a strip groove is transversely opened at the bottom of the shell 1, the slide bar 10 is transversely fixedly arranged inside the strip groove, the first slider 11 slides It is arranged on the rod wall of the sliding rod 10, the bottom protrusion of the first sliding block 11 is fixedly connected to the top of the second clamping plate 6, the spring 12 is movably sleeved on the rod wall of the sliding rod 10, and the two ends of the spring 12 are respectively fixedly connected to the side wall of the first sliding block 11 and the side wall of the strip groove, a plurality of connectors are inserted into the interior of the shell 1 through the threading hole 4 and connected to the inverter body 3, and then the second clamping plate 6 is pulled outward, so that the first sliding block 11 moves on the sliding rod 10 and stretches the spring 12, after the plurality of connecting wires are completely placed in the first clamping plate 5 and the second clamping plate 6, the outside of the second clamping plate 6 is released, so that the spring 12 applies elastic force to the first sliding block 11 and drives the second clamping plate 6 to move, so that the first clamping plate 5 and the second clamping plate 6 cooperate to clamp and fix the plurality of connecting wires, avoid the phenomenon of multiple connecting wires being placed randomly, and improve the safety of use.

[0033] Example 2

[0034] See also Figure 1 and 4Two mounting seats 7 are symmetrically arranged on the back of the housing 1. An adjustment mechanism connected to the two mounting seats 7 is arranged on the back of the housing 1. The adjustment mechanism includes a slide rail 13, two second sliders 15, a bidirectional screw 14 and a crank 16. The slide rail 13 is vertically fixed on the back of the housing 1. The bidirectional screw 14 is vertically rotatably arranged inside the slide rail 13, and the upper end of the bidirectional screw 14 extends to the outside of the slide rail 13 and is fixedly connected to the crank 16. The two second sliders 15 are symmetrically slidably arranged inside the slide rail 13. The two second sliders 15 are threaded on the rod wall of the bidirectional screw 14. The side walls of the two second sliders 15 are respectively fixedly connected to the two mounting seats 7. The mounting seats 7 includes a mounting portion 17 and a connecting portion 18, one end of the connecting portion 18 is fixedly connected to the mounting portion 17, two waist-shaped openings 19 are symmetrically provided on the surface of the mounting portion 17, a strip-shaped opening is vertically provided on the side wall of the slide rail 13, the connecting portion 18 passes through the inside of the strip-shaped opening and is fixedly connected to the side wall of the second slider 15; when it is necessary to adjust the spacing between the two mounting seats 7, the hand turns the crank 16 to rotate the bidirectional screw 14, and the bidirectional screw 14 drives the two second sliders 15 to be relatively close or relatively far away during the rotation process, so that the two mounting seats 7 are relatively close to or relatively far away from the groove, thereby ensuring that the shell 1 is installed on the photovoltaic mounting frame, so that the inverter body 3 can be fixedly installed and used.

[0035] Example 3

[0036] See also Figure 1 and 5 A heat dissipation hole is provided on the top of the shell 1, and a heat exhaust pipe 8 is fixedly provided inside the heat dissipation hole. A heat exhaust fan 9 is fixedly installed inside the heat exhaust pipe 8. When the heat exhaust fan 9 is turned on, the heat exhaust fan 9 can discharge the heat inside the shell 1 to the outside, thereby improving the heat dissipation effect of the inverter body 3. A dustproof net 20 is fixedly provided at the upper end of the heat exhaust pipe 8 to block the heat exhaust fan 9. The dustproof net 20 can reduce the external dust from entering the interior of the shell 1. A rain shield 21 is fixedly provided on the top of the shell 1 to block the heat exhaust pipe 8. The rain shield 21 can reduce the external rainwater from entering the interior of the shell 1.

[0037] Example 4

[0038] See also Figure 1 The inner wall of the shell 1 is provided with a mounting plate 22, and the inverter body 3 is fixedly arranged on the surface of the mounting plate 22. Two L-shaped hanging rods 23 are symmetrically fixedly arranged on one side of the mounting plate 22 away from the inverter body 3. The inner wall of the shell 1 is provided with an L-shaped hanging groove 24 that matches the L-shaped hanging rod 23. When the inverter body 3 needs to be removed from the inside of the shell 1, it is only necessary to lift the mounting plate 22 upward so that the L-shaped hanging rod 23 moves upward inside the L-shaped hanging groove 24, so that the mounting plate 22 can be removed from the inside of the shell 1.

[0039] It should be noted that the term "comprises" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article, or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic power generation inverter, comprising a housing (1), a housing cover (2) and an inverter body (3), characterized in that: The shell cover (2) is arranged at the opening of the shell (1), the inverter body (3) is fixedly installed inside the shell (1), a plurality of threading holes (4) are arranged at the bottom of the shell (1), a first wire clamping plate (5) and a second wire clamping plate (6) are symmetrically arranged at the bottom of the shell (1) and located outside the threading holes (4), the first wire clamping plate (5) is fixedly connected to the bottom of the shell (1), and an elastic moving mechanism is arranged between the second wire clamping plate (6) and the bottom of the shell (1); Two mounting seats (7) are symmetrically arranged on the back of the shell (1), and an adjustment mechanism connected to the two mounting seats (7) is arranged on the back of the shell (1); A heat dissipation hole is provided on the top of the shell (1), and a heat dissipation pipe (8) is fixedly provided inside the heat dissipation hole, and a heat dissipation fan (9) is fixedly installed inside the heat dissipation pipe (8).

2. A photovoltaic power generation inverter according to claim 1, characterized in that: The elastic moving mechanism comprises a slide bar (10), a first slider (11) and a spring (12); a strip groove is transversely opened at the bottom of the housing (1); the slide bar (10) is transversely fixedly arranged inside the strip groove; the first slider (11) is slidably arranged on the rod wall of the slide bar (10); a bottom protrusion of the first slider (11) is fixedly connected to the top of the second clamping plate (6); the spring (12) is movably sleeved on the rod wall of the slide bar (10), and two ends of the spring (12) are respectively fixedly connected to the side wall of the first slider (11) and the side wall of the strip groove.

3. A photovoltaic power generation inverter according to claim 1, characterized in that: The first clamping plate (5) and the second clamping plate (6) form a circular tube structure, and the lower end of the first clamping plate (5) and the lower end of the second clamping plate (6) are provided with an arc chamfered structure.

4. A photovoltaic power generation inverter according to claim 1, characterized in that: The adjustment mechanism comprises a slide rail (13), two second sliders (15), a bidirectional screw (14) and a crank (16); the slide rail (13) is vertically fixedly arranged on the back side of the housing (1); the bidirectional screw (14) is vertically rotatably arranged inside the slide rail (13); the upper end of the bidirectional screw (14) extends to the outside of the slide rail (13) and is fixedly connected to the crank (16); the two second sliders (15) are symmetrically slidably arranged inside the slide rail (13) in an up-and-down manner; the two second sliders (15) are threadedly arranged on the rod wall of the bidirectional screw (14); and the side walls of the two second sliders (15) are respectively fixedly connected to two mounting seats (7).

5. A photovoltaic power generation inverter according to claim 1, characterized in that: The mounting seat (7) comprises a mounting portion (17) and a connecting portion (18), one end of the connecting portion (18) is fixedly connected to the mounting portion (17), and the surface of the mounting portion (17) is symmetrically provided with two waist-shaped openings (19).

6. A photovoltaic power generation inverter according to claim 4, characterized in that: The side wall of the slide rail (13) is vertically provided with a strip-shaped opening, and the connecting portion (18) passes through the interior of the strip-shaped opening and is fixedly connected to the side wall of the second sliding block (15).

7. A photovoltaic power generation inverter according to claim 1, characterized in that: A dustproof net (20) is fixedly provided at the upper end of the heat exhaust pipe (8) to block the heat exhaust fan (9).

8. The photovoltaic power generation inverter according to claim 1, characterized in that: A rain shield (21) is fixedly provided on the top of the shell (1) for shielding the heat exhaust pipe (8).

9. A photovoltaic power generation inverter according to claim 1, characterized in that: The inner side wall of the shell (1) is provided with a mounting plate (22), the inverter body (3) is fixedly arranged on the surface of the mounting plate (22), two L-shaped hanging rods (23) are symmetrically fixedly arranged on one side of the mounting plate (22) away from the inverter body (3), and the inner side wall of the shell (1) is provided with an L-shaped hanging groove (24) matching the L-shaped hanging rod (23).

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