Photovoltaic inverter

Abstract

The invention discloses a photovoltaic inverter, and relates to the technical field of photovoltaic inverters. The photovoltaic inverter comprises a fixed frame, an inverter body, a photovoltaic panel and a photovoltaic power generation storage battery, the inverter body is fixed on the fixing frame through the connecting frame, and the photovoltaic panel is fixed on the top of the fixing frame; the photovoltaic power generation storage battery is fixed to the fixing frame, the inverter body comprises a heat dissipation box and a controller box, and the heat dissipation box is fixed to the back face of the controller box. The heat dissipation box comprises a rectangular cavity, a refrigerator and a connecting frame, and the refrigerating end of the refrigerator is placed in the rectangular cavity through the first notch. According to the inverter, the heat dissipation cavity formed by the refrigerator is adopted to conduct conduction heat dissipation on the interior of the inverter, due to the fact that the refrigerator can rapidly generate a cold source, adjustment of temperature changes can be responded more rapidly, and the service life of the inverter is prolonged; and meanwhile, the photovoltaic integrated fixing frame is adopted, so that a plurality of inverters can be mounted more stably, and the mounting quality is improved.

Description

Technical Field

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

[0002] The structure of the photovoltaic inverter is mainly composed of a DC input terminal, an inverter chip, an AC output terminal, a control circuit and a radiator. The radiator is a heat dissipation device for the photovoltaic inverter, which is mainly composed of a heat sink, a cooling fan, etc. The main function of the radiator is to dissipate heat to ensure the normal operation of the inverter. As a power electronic device, the inverter, like all electronic products, faces the challenges brought by temperature. Among all electronic product failure cases, up to 55% are caused by temperature. The electronic components inside the inverter are also very sensitive to temperature. According to the 10-degree rule of reliability theory, from room temperature, every 10-degree increase in temperature will halve the life span, so the inverter heat dissipation design is very important.

[0003] Existing photovoltaic inverters use two methods: natural cooling and forced air cooling. Natural heat dissipation or cooling is often suitable for low-power devices and components that do not require high temperature control and have low heat flux density, as well as sealed or densely assembled devices that are not suitable for other cooling technologies. Forced air cooling is mainly a method of forcing air to flow around the device with the help of fans, so as to take away the heat emitted by the device. However, forced air cooling is not effective in high temperature environments and will generate noise.

[0004] When installing existing photovoltaic inverters, you should also pay attention to the following: the inverter itself is a heat source, all heat must be dissipated in time, and it cannot be placed in a closed space, otherwise the temperature will rise higher and higher; the inverter should be placed in a well-ventilated space and try to avoid direct sunlight; when multiple inverters are installed together, in order to avoid mutual influence, there should be enough distance between the inverters. Summary of the invention

[0005] The purpose of the present invention is to provide a photovoltaic inverter, which adopts a heat dissipation cavity composed of a refrigerator to conduct heat dissipation inside the inverter. Since the refrigerator can quickly generate a cold source and a photovoltaic integrated fixing frame is adopted, the problems raised in the background technology are solved.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The present invention relates to a photovoltaic inverter, which includes a fixing frame, an inverter body, a photovoltaic panel, and a photovoltaic power generation battery; the inverter body includes a heat dissipation box and a controller box, and the heat dissipation box is fixed to the back of the controller box; the heat dissipation box includes a rectangular cavity, a cooler, and a connecting frame. Covers are respectively fixed at both openings at the two ends of the rectangular cavity, and a first notch and a plurality of first fixing holes are formed on one surface of the rectangular cavity; the cooling end of the cooler is placed inside the rectangular cavity through the first notch; one end of the connecting frame is fixed to the rectangular cavity by cooperating with the first fixing holes through screws; the inverter body is fixed to the fixing frame through the connecting frame; the photovoltaic panel is fixed to the top of the fixing frame; the photovoltaic power generation battery is fixed to the fixing frame.

[0008] Further, a second notch is provided on the back of the controller box; a sealing groove is formed on the surface of the rectangular cavity that fits with the second notch of the controller box, and a sealing ring is fitted in the sealing groove; a plurality of second fixing holes corresponding one by one to those in the second notch are also formed on one surface of the rectangular cavity.

[0009] Further, the connecting frame includes a pair of fixing plates, and a connecting plate is fixed between the two opposite fixing plates; reinforcing ribs are also provided on the connecting plate; there are also a plurality of second through holes on the connecting plate.

[0010] Further, the fixing frame includes rectangular columns, a wire groove cover, and a photovoltaic bracket. Third notches for cooperating with the wire groove cover are respectively formed on a pair of opposite surfaces of the rectangular columns, and a plurality of fixing seats are arranged inside the rectangular columns at the third notches; a plurality of second through holes corresponding one by one to the fixing seats are formed on one surface of the wire groove cover; wire passing nozzles are respectively arranged at both ends of the wire groove cover; third fixing holes corresponding to the second through holes on the connecting plate are also provided on the rectangular columns; fourth fixing holes for cooperating with the photovoltaic power generation battery are also provided on the rectangular columns.

[0011] Further, the photovoltaic bracket includes an I-shaped support plate, and both ends of the I-shaped support plate are fixedly attached to the back frame of the photovoltaic panel; the I-shaped support plate is fixed to the top of the rectangular column by welding.

[0012] Further, a first hinge seat is provided at the top of the rectangular column, and a second hinge seat is provided on one side of the rectangular column.

[0013] Further, the photovoltaic bracket is an I-shaped support plate, and both ends of the I-shaped support plate are fixedly attached to the back frame of the photovoltaic panel; a third hinge seat hinged to the first hinge seat is provided in the middle of the I-shaped support plate; a fourth hinge seat is also provided on the I-shaped support plate; a telescopic connecting rod is connected between the fourth hinge seat and the second hinge seat.

[0014] Further, the output end of the photovoltaic panel is connected to the input end of the photovoltaic power generation storage battery; the cooler is electrically connected to the photovoltaic power generation storage battery.

[0015] Further, the cooler adopts a thermoelectric cooler.

[0016] Further, the cables at the bottom of the inverter body first pass through a wire passing pipe opening on the wire duct cover, pass through the wire passing pipe opening at the other end, and the cables are placed into the rectangular column through the wire duct cover.

[0017] The present invention has the following beneficial effects:

[0018] By adopting the heat dissipation cavity composed of a cooler to conduct heat dissipation inside the inverter, since the cooler can quickly generate a cold source, it can respond more quickly to the adjustment of temperature changes, improving the service life of the inverter; at the same time, by adopting a photovoltaic integrated fixing frame, multiple inverters can be installed more stably, improving the installation quality.

[0019] Of course, it is not necessary for any product implementing the present invention to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0021] Figure 1 It is a schematic structural diagram of a photovoltaic inverter according to Embodiment 1;

[0022] Figure 2 For Figure 1 the front structural view;

[0023] Figure 3 It is a schematic structural diagram of the inverter body;

[0024] Figure 4 It is a schematic structural diagram of the controller box;

[0025] Figure 5 For Figure 4 the rear structural view;

[0026] Figure 6 For Figure 3 the side structural view;

[0027] Figure 7 It is a schematic structural diagram of the heat dissipation box from the rear view angle;

[0028] Figure 8 It is a schematic structural diagram of the front view of the heat dissipation box;

[0029] Figure 9 is Figure 7 the front structural view;

[0030] Figure 10 It is a schematic structural diagram of a rectangular cavity;

[0031] Figure 11 It is a schematic structural diagram of the connecting frame;

[0032] Figure 12 is Figure 11 the side structural view;

[0033] Figure 13 It is a schematic structural diagram of a photovoltaic power generation storage battery;

[0034] Figure 14 It is a schematic structural diagram of a refrigerator;

[0035] Figure 15 It is a schematic structural diagram of the fixing bracket in Embodiment 1;

[0036] Figure 16 It is a schematic structural diagram of a wire groove cover;

[0037] Figure 17 is Figure 15 the enlarged partial structural view at A in;

[0038] Figure 18 It is a schematic structural diagram of a kind of photovoltaic inverter in Embodiment 2;

[0039] Figure 19 is Figure 18 the side structural view;

[0040] Figure 20 is Figure 18 the front structural view;

[0041] Figure 21 It is a schematic structural diagram of the fixing bracket in Embodiment 2;

[0042] Figure 22 is Figure 21 the side structural view;

[0043] Figure 23 It is a schematic structural diagram of the photovoltaic support in Embodiment 2;

[0044] Figure 24 It is a schematic structural diagram of the telescopic connecting rod in Embodiment 2;

[0045] Figure 25 It is a schematic structural diagram of the rectangular column in Embodiment 2;

[0046] Figure 26 For Figure 25 The enlarged view of the local structure at position B in the figure. Specific implementation manner

[0047] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0048] Embodiment 1

[0049] As Figure 1 shown, this embodiment is a photovoltaic inverter, including a fixing frame 1, an inverter body 2, a photovoltaic panel 3, and a photovoltaic power generation storage battery 5. The photovoltaic panel 3 is fixed on the top of the fixing frame 1; the output end of the photovoltaic panel 3 is connected to the input end of the photovoltaic power generation storage battery 5; the cooler 4 is electrically connected to the photovoltaic power generation storage battery 5. As Figure 13 shown, the structural schematic diagram of the photovoltaic power generation storage battery 5, which adopts 12V or 24V and an aluminum shell external battery box.

[0050] As Figure 2 shown, the photovoltaic power generation storage battery 5 is fixed on the fixing frame 1, and the electric energy generated by the photovoltaic panel 3 is stored in the photovoltaic power generation storage battery 5, and then the cooler 4 on the inverter body 2 is powered by the photovoltaic power generation storage battery 5. As Figure 14 shown, the cooler 4 adopts a semiconductor cooler, so that the cooler 4 can directly generate a cold source, thereby cooling the inverter body 2, and can control the temperature more quickly, and provide a suitable internal temperature environment for the inside of the inverter body 2 in a high-temperature environment.

[0051] As Figure 3 shown, the inverter body 2 includes a heat dissipation box 201 and a controller box 202, and the heat dissipation box 201 is fixed on the back of the controller box 202. As Figure 7 shown, the heat dissipation box 201 includes a rectangular cavity 212, a cooler 4, and a connecting frame 203; as Figure 10 shown, both end faces of the rectangular cavity 212 are open structures, and a cover plate 211 is fixed at each of the two openings at both ends of the rectangular cavity 212, and the rectangular cavity 212 is sealed by the cover plate 211 to form a cavity structure for storing cold source. A plurality of first notches 221 and a plurality of first fixing holes 222 are opened on one surface of the rectangular cavity 212; as Figure 9As shown in the figure, the refrigerating end of the refrigerator 4 is placed inside the rectangular cavity 212 through the first notch 221; the notch structure of the first notch 221 matches the frame of the refrigerator 4, and the refrigerating end of the refrigerator 4 is embedded into the first notch 221. The surface of the refrigerator 4 in contact with the surface of the rectangular cavity 212 is fixed by gluing. The cold source generated by the refrigerating end of the refrigerator 4 cools the entire heat dissipation box 201, turning it into a cold source, and the controller box 202 contacts and conducts with the heat dissipation box 201 to achieve heat dissipation of the controller box 202.

[0052] As Figure 12 shown, one end face of the connecting frame 203 is fixedly mounted on the rectangular cavity 212 by screwing with the first fixing hole 222; the inverter body 2 is fixed on the fixing frame 1 through the connecting frame 203; as Figure 11 shown, the connecting frame 203 includes a pair of fixing plates 231, and a connecting plate 232 is fixed between the two opposite fixing plates 231; reinforcing ribs 233 are further provided on the connecting plate 232; there are also several second through holes 234 on the connecting plate 232.

[0053] As Figure 4 shown, a DC input terminal, a power module, an inverter chip, a filter, an AC output terminal, a control circuit, etc. are arranged in the controller box 202. As Figure 5 shown, a second notch 223 is provided on the back surface of the controller box 202. The second notch 223 is an open opening of the controller box 202 and is closed by the heat dissipation box 201; a sealing groove 214 is formed on the surface of the rectangular cavity 212 that fits with the second notch 223 of the controller box, and a sealing ring is fitted in the sealing groove 214; as Figure 8 shown, several second fixing holes 213 corresponding to those in the second notch 223 are further formed on one surface of the rectangular cavity 212, and the related devices located in the controller box 202 can be directly fixed on the second fixing holes 213 of the rectangular cavity 212.

[0054] As Figure 15 shown, the fixing frame 1 includes a rectangular column 102, a wire groove cover 101, and a photovoltaic bracket 107. Third notches 103 for cooperating with the wire groove cover 101 are respectively formed on a pair of opposite surfaces of the rectangular column 102. As Figure 17 shown, several fixing seats 104 are arranged inside the rectangular column 102 located in the third notch 103; internal threaded holes are respectively formed on both end faces of the fixing seat 104.

[0055] One surface of the wire duct cover 101 is provided with a plurality of second through holes 111 corresponding one by one to the internal threaded holes on the fixing base 104, and they are fixed by screws; both ends of the wire duct cover 101 are respectively provided with a wire passing pipe orifice 112; the cables at the bottom of the inverter body 2 first pass through a wire passing pipe orifice 112 on the wire duct cover 101, pass through the wire passing pipe orifice 112 at the other end, and the cables are placed into the rectangular column 102 through the wire duct cover 101.

[0056] The rectangular column 102 is also provided with third fixing holes 106 corresponding to the second through holes 234 on the connecting plate 232; the rectangular column 102 is also provided with fourth fixing holes 109 for cooperating with the photovoltaic power generation battery 5; at least two groups of photovoltaic inverters can be installed on the rectangular column 102, and each group of photovoltaic inverters corresponds to a photovoltaic power generation battery 5.

[0057] As Figure 16 shown, the photovoltaic bracket 107 includes an I-shaped support plate 108, and both ends of the I-shaped support plate 108 are fixedly attached to the back frame of the photovoltaic panel 3; the I-shaped support plate 108 is fixedly attached to the top of the rectangular column 102 by welding.

[0058] The first fixing hole 222, the second fixing hole 213 and the third fixing hole 106 are all internal threaded holes.

[0059] Embodiment 2

[0060] As Figure 18 shown, this embodiment is a photovoltaic inverter, including a fixing frame 1, an inverter body 2, a photovoltaic panel 3 and a photovoltaic power generation battery 5, and the photovoltaic panel 3 is movably connected to the top of the fixing frame 1; the output end of the photovoltaic panel 3 is connected to the input end of the photovoltaic power generation battery 5; the cooler 4 is electrically connected to the photovoltaic power generation battery 5. As Figure 13 shown, the structural schematic diagram of the photovoltaic power generation battery 5, which adopts 12V or 24V and uses an aluminum shell external battery box.

[0061] As Figure 19 and 20 shown, the photovoltaic power generation battery 5 is hinged and fixed on the fixing frame 1, the electric energy generated by the photovoltaic panel 3 is stored in the photovoltaic power generation battery 5, and then the cooler 4 on the inverter body 2 is powered by the photovoltaic power generation battery 5. As Figure 14 shown, the cooler 4 adopts a semiconductor cooler, so that the cooler 4 can directly generate a cold source, thereby cooling the inverter body 2, and can control the temperature more quickly, and provide a suitable operating internal temperature environment for the inside of the inverter body 2 in a high-temperature environment.

[0062] As Figure 3 shown, the inverter body 2 includes a heat dissipation box 201 and a controller box 202, and the heat dissipation box 201 is fixed on the back of the controller box 202.Figure 7 As shown, the heat dissipation box 201 includes a rectangular cavity 212, a cooler 4, and a connecting frame 203; as Figure 10 shown, both end faces of the rectangular cavity 212 are open structures, and a cover plate 211 is fixed at each of the two openings at both ends of the rectangular cavity 212. The rectangular cavity 212 is sealed by the cover plates 211 to form a cavity structure for storing a cold source. A number of first notches 221 and a number of first fixing holes 222 are opened on one surface of the rectangular cavity 212; as Figure 9 shown, the cooling end of the cooler 4 is placed inside the rectangular cavity 212 through the first notch 221; the notch structure of the first notch 221 matches the frame of the cooler 4, and the cooling end of the cooler 4 is embedded into the first notch 221. The surface of the cooler 4 in contact with the surface of the rectangular cavity 212 is fixed by gluing. The cold source generated by the cooling end of the cooler 4 cools down the entire heat dissipation box 201 to become a cold source, and the controller box 202 is in contact conduction with the heat dissipation box 201 to achieve heat dissipation of the controller box 202.

[0063] As Figure 12 shown, one end face of the connecting frame 203 is fixed on the rectangular cavity 212 by screwing with the first fixing hole 222; the inverter body 2 is fixed on the fixing frame 1 through the connecting frame 203; as Figure 11 shown, the connecting frame 203 includes a pair of fixing plates 231, and a connecting plate 232 is fixed between the two opposite fixing plates 231; a reinforcing rib 233 is further provided on the connecting plate 232; there are also a number of second through holes 234 on the connecting plate 232.

[0064] As Figure 4 shown, a DC input terminal, a power module, an inverter chip, a filter, an AC output terminal, a control circuit, etc. are provided inside the controller box 202. As Figure 5 shown, a second notch 223 is provided on the back of the controller box 202. The second notch 223 is an open opening of the controller box 202 and is closed by the heat dissipation box 201; a sealing groove 214 is opened on the surface of the rectangular cavity 212 that fits with the second notch 223 of the controller box, and a sealing ring is fitted in the sealing groove 214; a number of second fixing holes 213 corresponding one by one to those in the second notch 223 are also opened on one surface of the rectangular cavity 212, and the related devices inside the controller box 202 can be directly fixed on the second fixing holes 213 of the rectangular cavity 212.

[0065] As Figure 15 shown, the fixing frame 1 includes a rectangular column 102, a wire groove cover 101, and a photovoltaic bracket 107. Third notches 103 for cooperating with the wire groove cover 101 are respectively opened on a pair of opposite surfaces of the rectangular column 102, as Figure 17As shown in the figure, a number of fixing seats 104 are provided inside the rectangular column 102 located in the third notch 103; internal threaded holes are respectively formed on both end faces of the fixing seat 104.

[0066] A number of second through holes 111 corresponding one by one to the internal threaded holes on the fixing seat 104 are formed on one surface of the wire groove cover 101 and fixed by screws; wire passing nozzles 112 are respectively provided at both ends of the wire groove cover 101; the cables at the bottom of the inverter body 2 first pass through a wire passing nozzle 112 on the wire groove cover 101, pass through the wire passing nozzle 112 at the other end, and the cables are placed into the rectangular column 102 through the wire groove cover 101. On the one hand, the fixing frame 1 can enable the inverter body 2 to be stably installed, and a higher height is more conducive to ventilation and heat dissipation; on the other hand, by placing the cables in the rectangular column 102, the cables can be effectively protected from being damaged or aged, and the wire groove can be directly connected through the wire passing nozzles 112 on the wire groove cover 101 to avoid the mess of the cables.

[0067] Third fixing holes 106 corresponding to the second through holes 234 on the connecting plate 232 are further provided on the rectangular column 102; fourth fixing holes 109 for cooperating with the photovoltaic power generation battery 5 are further provided on the rectangular column 102; at least two groups of photovoltaic inverters can be installed on the rectangular column 102, and each group of photovoltaic inverters corresponds to a photovoltaic power generation battery 5.

[0068] As Figure 25 and 26 shown in the figure, a first hinge seat 7 is provided at the top of the rectangular column 102, and a pin shaft is also fitted on the first hinge seat 7; a second hinge seat 110 is provided on one side of the rectangular column 102.

[0069] As Figure 23 shown in the figure, the photovoltaic bracket 107 has an I-shaped support plate 108, and both ends of the I-shaped support plate 108 are fixedly attached to the back frame of the photovoltaic panel 3; a third hinge seat 171 hinged to the first hinge seat 7 is provided in the middle of the I-shaped support plate 108; a fourth hinge seat 172 is further provided on the I-shaped support plate 108; a telescopic link 6 is connected between the fourth hinge seat 172 and the second hinge seat 110. As Figure 24 shown in the figure, the telescopic link 6 adopts a 304 positive and reverse thread adjusting pull rod, and the inclination angle of the photovoltaic panel 3 is adjusted by adjusting the length of the telescopic link 6.

[0070] As Figure 21 and 22As shown, the photovoltaic support 107 is hinged to the first hinge 7 at the top of the rectangular column 102, enabling the photovoltaic support 107 to rotate around the pin shaft. Then, the fourth hinge 172 on the photovoltaic support 107 is connected to the second hinge 110 through the telescopic connecting rod 6. Thus, the inclination angle of the photovoltaic support 107 can be adjusted by controlling the length of the telescopic connecting rod 6, so that the photovoltaic panel 3 is at an optimal inclination angle, improving the power generation efficiency of the photovoltaic panel 3.

[0071] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0072] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A photovoltaic inverter, characterized in that: It includes a fixing frame (1), an inverter body (2), a photovoltaic panel (3) and a photovoltaic power generation battery (5); the inverter body (2) includes a heat dissipation box (201) and a controller box (202), and the heat dissipation box (201) is fixed to the back of the controller box (202); the heat dissipation box (201) includes a rectangular cavity (212), a refrigerator (4) and a connecting frame (203), covers (211) are respectively fixed at both ends of the rectangular cavity (212) with openings, a first notch (221) and a number of first fixing holes (222) are formed on one surface of the rectangular cavity (212); the refrigerating end of the refrigerator (4) is placed inside the rectangular cavity (212) through the first notch (221); one end of the connecting frame (203) is fixed to the rectangular cavity (212) by cooperating with the first fixing holes (222) with screws; the inverter body (2) is fixed to the fixing frame (1) through the connecting frame (203); the photovoltaic panel (3) is fixed to the top of the fixing frame (1); the photovoltaic power generation battery (5) is fixed to the fixing frame (1).

2. The PV inverter according to claim 1, characterized in that, A second notch (223) is provided on the back of the controller box (202); a sealing groove (214) is formed on the surface of the rectangular cavity (212) that fits with the second notch (223) of the controller box, and a sealing ring is fitted in the sealing groove (214); a number of second fixing holes (213) corresponding one by one to those in the second notch (223) are also formed on one surface of the rectangular cavity (212).

3. The PV inverter according to claim 2, characterized in that, The connecting frame (203) includes a pair of fixing plates (231), and a connecting plate (232) is fixed between the two opposite fixing plates (231); a reinforcing rib (233) is also provided on the connecting plate (232); there are a number of second through holes (234) on the connecting plate (232).

4. A photovoltaic inverter according to claim 3, characterized in that, The fixing frame (1) includes a rectangular column (102), a wire groove cover (101) and a photovoltaic bracket (107), third notches (103) for cooperating with the wire groove cover (101) are respectively formed on a pair of opposite surfaces of the rectangular column (102), and a number of fixing seats (104) are provided inside the rectangular column (102) at the third notches (103); a number of second through holes (111) corresponding one by one to the fixing seats (104) are formed on one surface of the wire groove cover (101); wire passing nozzles (112) are respectively provided at both ends of the wire groove cover (101); third fixing holes (106) corresponding to the second through holes (234) on the connecting plate (232) are also provided on the rectangular column (102); fourth fixing holes (109) for cooperating with the photovoltaic power generation battery (5) are also provided on the rectangular column (102).

5. A photovoltaic inverter according to claim 4, characterized in that, The photovoltaic bracket (107) includes an I-shaped support plate (108), and both ends of the I-shaped support plate (108) are fixedly attached to the back frame of the photovoltaic panel (3); the I-shaped support plate (108) is fixed to the top of the rectangular column (102) by welding.

6. A photovoltaic inverter according to claim 4, characterized in that, A first hinge seat (7) is provided at the top of the rectangular column (102), and a second hinge seat (110) is provided on one side of the rectangular column (102).

7. A photovoltaic inverter according to claim 6, characterized in that, The photovoltaic support (107) has an I-shaped support plate (108). The two ends of the I-shaped support plate (108) are fixedly attached to the back frame of the photovoltaic panel (3). A third hinge seat (171) hinged to the first hinge seat (7) is provided in the middle of the I-shaped support plate (108). A fourth hinge seat (172) is also provided on the I-shaped support plate (108). A telescopic connecting rod (6) is connected between the fourth hinge seat (172) and the second hinge seat (110).

8. A photovoltaic inverter according to claim 1, characterized in that, The output end of the photovoltaic panel (3) is connected to the input end of the photovoltaic power generation battery (5). The cooler (4) is electrically connected to the photovoltaic power generation battery (5).

9. A photovoltaic inverter according to claim 1, characterized in that, The cooler (4) uses a semiconductor cooler.

10. A photovoltaic inverter according to any one of claims 4-9, characterized in that, The cable at the bottom of the inverter body (2) first passes through a wire passing pipe orifice (112) on the wire trough cover (101), passes out through the wire passing pipe orifice (112) at the other end, and the cable is placed into the rectangular column (102) through the wire trough cover (101).

Images