Parallel inverter easy to assemble

Abstract

The utility model relates to the technical field of inverters, solves the technical problems of limited total power and complex wiring of the inverters, and particularly relates to an easily-assembled parallel inverter, which comprises a battery serving as a supporting foundation, and is characterized in that one side of the top end of the battery is fixedly connected with a positive electrode and a negative electrode respectively; an inversion assembly for inverting the battery is arranged at the top end of the battery, a connecting assembly for connecting the inversion assembly with the battery is arranged between the inversion assembly and the battery, and the inversion assembly comprises two push-pull sheet metal parts arranged in the middle of the top end of the battery. Due to the arrangement of the inversion assembly, electric power stored in the battery can be inverted under the condition that line connection is reduced, meanwhile, the total power of output electric power can be improved by connecting the inverter main board in parallel, therefore, the inverter can adapt to more extensive butt-joint equipment, and under the condition that the complexity of line connection is reduced, the cost is reduced. And the assembling speed of the whole device can be increased, so that the equipment is easier to assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inverter especially relates to an easily assembled parallel inverter. BACKGROUND

[0002] Nowadays, foreign power shortage is serious, but the infrastructure construction is not perfect, or the power is high, and the use cost is too high, so a high-power inverter is needed, but the total power of the existing inverter is limited, cannot be parallelly connected wirelessly, and the wiring process is complicated when the inverter is connected with the power supply, too many line connections require higher basic knowledge of the user, which reduces the practicability of the device. SUMMARY

[0003] In view of the defects of the prior art, the utility model provides an easily assembled parallel inverter, which solves the technical problems of limited total power of the inverter and complicated wiring, and achieves the purpose of free power expansion and integration of power generation, energy storage and electricity use.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: an easily assembled parallel inverter, comprising a battery as a supporting base, a positive electrode and a negative electrode are fixedly connected on the top side of the battery, an inversion assembly for inverting the battery is arranged on the top of the battery, and an adapter assembly for connecting the inversion assembly and the battery is arranged between the inversion assembly and the battery.

[0005] The inversion assembly comprises two push-pull sheet metal parts arranged in the middle of the top of the battery, an inverter mainboard is fixedly connected to the side of the push-pull sheet metal part away from the positive electrode, a cooling fan is installed on the push-pull sheet metal part at the side away from the inverter mainboard, two parallel plug-in interfaces are installed on the push-pull sheet metal part above the cooling fan at the side away from the inverter mainboard, an MC plug fixed sheet metal part is fixedly connected to the end of the push-pull sheet metal part on one side, a plurality of MC plugs are equidistantly connected to the end of the MC plug fixed sheet metal part close to the positive electrode, an air switch is installed in the middle of the air opening fixed sheet metal part close to the positive electrode, and the air opening fixed sheet metal part is fixedly connected to the end of the push-pull sheet metal part on the other side.

[0006] Preferably, the adapter assembly comprises a sheet metal lower shell fixedly connected to the top of the battery, a parallel copper bar is fixedly connected to the top side of the sheet metal lower shell, and an L-shaped sheet metal part is fixedly connected to the top side of the parallel copper bar.

[0007] Preferably, the power input ends of the plurality of MC plugs are connected to the positive electrode and the negative electrode of the battery, and the power output ends of the plurality of MC plugs are connected to the power input ends of the plurality of inverter mainboards.

[0008] Preferably, the plurality of inverter mainboards are connected in parallel with each other through parallel plug interfaces, and the plurality of push-pull metal plates, the MC plug fixing metal plate and the air switch fixing metal plate are fixedly connected to the top end of the parallel copper bars.

[0009] Preferably, the inverter assembly is provided with a protection assembly outside for protection.

[0010] The protection assembly comprises an air outlet side metal plate fixedly connected to one side of the top end of a lower metal plate, wherein an air outlet is formed in the air outlet side metal plate, and an air inlet side metal plate is fixedly connected to the other side of the top end of the lower metal plate, wherein an air inlet window is formed in the air inlet side metal plate, and a top protection metal plate cover is fixedly connected to the top end of the air outlet side metal plate and the air inlet side metal plate, and wire protection rings are mounted on both sides of the top protection metal plate cover.

[0011] Preferably, a three-hole socket module is mounted below one end of the inner side of the air inlet side metal plate, a switch is fixedly connected above the three-hole socket module at one end of the inner side of the air inlet side metal plate, and a display screen mounting plate is fixedly connected to one side of the switch at one end of the inner side of the air inlet side metal plate.

[0012] By means of the above technical scheme, the parallel inverter easy to assemble has at least the following beneficial effects:

[0013] 1. Due to the arrangement of the inverter assembly, the power stored in the battery can be inverted under the condition of reducing line connection, and the total power output can be improved by connecting the inverter mainboards in parallel, thereby being suitable for more extensive docking equipment, and the assembly speed of the entire device can be improved under the condition of reducing the complexity of line connection, so that the equipment is easier to assemble.

[0014] 2. Due to the arrangement of the protection assembly, the inverter assembly can be protected, and the air flowing into the inside of the protection assembly can be guided during the operation of the cooling fan, and foreign matters and dust from the outside can be intercepted to protect the inverter mainboard. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are included to provide a further understanding of the application and constitute a part of this application, illustrate certain illustrative embodiments of the application and together with the description serve to explain the application.

[0016] In the drawings:

[0017] Figure 1 is a schematic view of the three-dimensional structure of the utility model;

[0018] Figure 2 is a schematic view of the three-dimensional structure of the utility model Figure 1 ; and

[0019] Figure 3 It is battery installation structure schematic view of the utility model;

[0020] Figure 4 It is parallel copper bar installation structure schematic view of the utility model;

[0021] Figure 5 It is heat dissipation fan installation structure schematic view of the utility model;

[0022] Figure 6 It is air outlet opening structure schematic view of the utility model;

[0023] Figure 7 It is coil protection installation structure schematic view of the utility model.

[0024] In the drawing: 1, battery;2, positive pole;3, negative pole;4, link assembly;41, sheet metal lower shell;42, parallel copper bar;43, L-shaped sheet metal part;

[0025] 5, inverter assembly;51, push-pull type sheet metal part;52, inverter mainboard;53, heat dissipation fan;54, parallel plug interface;55, MC4 plug fixing sheet metal;56, MC4 plug;57, air switch fixing sheet metal;58, air switch;

[0026] 6, protection assembly;61, air outlet side sheet metal;62, air outlet;63, top protection sheet metal cover;64, coil protection;65, air inlet side sheet metal;66, air inlet window;

[0027] 7, three-hole socket module;8, switch;9, display screen mounting plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Embodiment 1

[0030] The existing inverter has limited total power, cannot be wirelessly connected in parallel to improve, and the wiring process is complicated when the inverter is connected with the power supply. Too many line connections require higher basic knowledge of the user, which reduces the practicability of the device. Figures 1-7The embodiment provides an easily-assembled parallel inverters, solves the technical problems of limited total power of inverters and complex wiring, and the device comprises a battery 1 as a support base, a positive electrode 2 and a negative electrode 3 are fixedly connected to the top end of the battery 1 on the side, respectively, an inverter assembly 5 for inverting the battery 1 is arranged at the top end of the battery 1, and an adapter assembly 4 for connecting the inverter assembly 5 and the battery 1 is arranged between the inverter assembly 5 and the battery 1. External power is stored in the battery 1, the power stored in the battery 1 is inverted by the inverter assembly 5, and the battery 1 and the inverter assembly 5 are connected by the adapter assembly 4.

[0031] In the use of the traditional inverter, the total power is limited, and the inverter cannot be directly used in some places with large required power, so that the applicability of the inverter is reduced, and too many devices are used at the same time, and the connection process of the line is also very complicated. In order to solve such problems, the inverter assembly 5 is provided. The inverter assembly 5 comprises two push-pull sheet metal parts 51 arranged in the middle of the top end of the battery 1, an inverter main board 52 is fixedly connected to the side away from the positive electrode 2 of the push-pull sheet metal part 51, a cooling fan 53 is installed in the middle of the end away from the inverter main board 52 on the push-pull sheet metal part 51, two parallel plug-in interfaces 54 are installed above the cooling fan 53 at the end away from the inverter main board 52 on the push-pull sheet metal part 51, an MC4 plug fixed sheet metal 55 is fixedly connected to the end of the push-pull sheet metal part 51 on one side, a plurality of MC4 plugs 56 are connected at equal intervals at the end of the MC4 plug fixed sheet metal 55 close to the positive electrode 2, an air switch 58 is installed in the middle of the end of the push-pull sheet metal part 51 away from the positive electrode 2, and the power input ends of the plurality of MC4 plugs 56 are connected with the positive electrode 2 and the negative electrode 3 of the battery 1 respectively, and the power output ends of the plurality of MC4 plugs 56 are connected with the power input ends of the plurality of inverter main boards 52 respectively.

[0032] In order to ensure that the inverter assembly 5 can be connected with the top end of the battery 1, the adapter assembly 4 comprises a sheet metal lower shell 41 fixedly connected to the top end of the battery 1, a parallel copper bar 42 is fixedly connected to the top end of the sheet metal lower shell 41 on one side, and an L-shaped sheet metal part 43 is fixedly connected to the top end of the parallel copper bar 42 on one side. The plurality of inverter main boards 52 are connected with each other in parallel through the parallel plug-in interfaces 54, and the bottom ends of the plurality of push-pull sheet metal parts 51, the MC4 plug fixed sheet metal 55 and the air switch fixed sheet metal 57 are fixedly connected to the top end of the parallel copper bar 42.

[0033] During the operation, the battery 1 stores the external power, and then the MC4 plug 56 fixed on the metal plate 55 transmits the power of the battery 1 to the parallel inverters mainboards 52, the inverters mainboards 52 can invert and transmit the power, the parallel inverters mainboards 52 can improve the total power of the output power, and the inverters mainboard is a high-performance control board which integrates multiple functional modules. The core components include semiconductor switching devices such as transistors and field effect tubes, which can reduce the investment in connecting equipment, reduce the connection of the circuit, make the wiring process of the equipment more convenient and fast, improve the overall assembly speed of the entire equipment, and improve the total output power by continuously connecting the battery 1 and the inverters mainboard 52.

[0034] Embodiment 2

[0035] Based on embodiment 1, embodiment 1 solves the technical problems of limited total power of the inverter and complex wiring, but there is still a problem that the inverter device is easy to fall dust without protection when in use, combined with Figures 1-7 As shown in the figure, the specific implementation process is as follows: in order to protect the inverter assembly 5. The outer side of the inverter assembly 5 is provided with a protection assembly 6 for protecting it, the protection assembly 6 includes an air outlet side metal plate 61 fixedly connected to one side of the top end of the metal lower shell 41, an air outlet 62 is formed in the air outlet side metal plate 61, the other side of the top end of the metal lower shell 41 is fixedly connected with an air inlet side metal plate 65, an air inlet window 66 is formed in the air inlet side metal plate 65, and the top end of the air outlet side metal plate 61 and the air inlet side metal plate 65 is fixedly connected with a top protection metal plate cover 63, and the wire protection ring 64 is installed on both sides of the top protection metal plate cover 63.

[0036] In order to provide power to the inverter assembly 5, monitor its inverter power data and control the switch of the inverter assembly 5. A three-hole socket module 7 is installed at the lower end of the inner side of the air inlet side metal plate 65, a switch 8 is fixedly connected above the three-hole socket module 7 at the inner side of the air inlet side metal plate 65, and a display screen mounting plate 9 is fixedly connected to the side of the switch 8 at the inner side of the air inlet side metal plate 65.

[0037] The protection assembly 6 can protect the inverter assembly 5 from being damaged during operation, during which the heat dissipation fan 53 installed on the push-pull sheet metal part 51 can draw air from the outside through the air inlet window 66 on the air inlet side sheet metal 65, and then discharge the air to the outside through the air outlet 62 on the air outlet side sheet metal 61, so as to dissipate heat for the inverter mainboard 52, the air inlet window 66 and the air outlet 62 can isolate foreign matters from the outside, the wire protection ring 64 installed on the both sides of the top protection sheet metal cover 63 can be used for threading, the switch 8 installed on the inner side of the air inlet side sheet metal 65 can be used for controlling the opening and closing of the inverter mainboard 52, and the display screen installed on the display screen mounting plate 9 can also display the power data of the inverter mainboard 52, so as to facilitate the operator to observe, thereby making the use of the equipment more convenient.

[0038] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0039] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An easily assembled, parallel-connectable inverter, comprising a battery (1) as a supporting base, characterized in that: The battery (1) has a positive electrode (2) and a negative electrode (3) fixedly connected to one side of its top end. The top end of the battery (1) is provided with an inverter component (5) for inverting the battery (1). A connecting component (4) for connecting the inverter component (5) and the battery (1) is provided between the inverter component (5) and the battery (1). The inverter assembly (5) includes two push-pull sheet metal parts (51) located at the top center of the battery (1). An inverter motherboard (52) is fixedly connected to the side of the push-pull sheet metal part (51) away from the positive electrode (2). A cooling fan (53) is installed on the push-pull sheet metal part (51) at the middle of the opposite end to the inverter motherboard (52). Two cooling fans are installed on the push-pull sheet metal part (51) above the cooling fan (53) at the opposite end to the inverter motherboard (52). The parallel connector (54) has an MC4 plug fixing sheet metal (55) fixedly connected to the end of the push-pull sheet metal part (51) on one side. Several MC4 plugs (56) are equidistantly connected to the end of the MC4 plug fixing sheet metal (55) near the positive electrode (2). An air switch fixing sheet metal (57) is fixedly connected to the other end of the push-pull sheet metal part (51). An air switch (58) is installed in the middle of the end of the air switch fixing sheet metal (57) near the positive electrode (2).

2. The easily assembled, parallel-connectable inverter according to claim 1, characterized in that: The connecting component (4) includes a sheet metal lower shell (41) fixedly connected to the top of the battery (1), a parallel copper busbar (42) fixedly connected to one side of the top of the sheet metal lower shell (41), and an L-shaped sheet metal part (43) fixedly connected to one side of the top of the parallel copper busbar (42).

3. The easily assembled, parallel-connectable inverter according to claim 1, characterized in that: The power input terminals of several MC4 plugs (56) are respectively connected to the positive terminal (2) and negative terminal (3) of the battery (1), and the power output terminals of several MC4 plugs (56) are respectively connected to the power input terminals of several inverter motherboards (52).

4. The easily assembled, parallel-connectable inverter according to claim 2, characterized in that: Several inverter motherboards (52) are connected in parallel to each other through parallel connectors (54), and the bottom ends of several push-pull sheet metal parts (51), MC4 plug fixing sheet metal (55) and circuit breaker fixing sheet metal (57) are all fixedly connected to the top of the parallel copper busbar (42).

5. The easily assembled, parallel-connectable inverter according to claim 2, characterized in that: The inverter component (5) is provided with a protective component (6) for protecting it; The protective component (6) includes an air outlet sheet metal (61) fixedly connected to one side of the top of the sheet metal lower shell (41), an air outlet (62) is provided on the air outlet sheet metal (61), an air inlet sheet metal (65) is fixedly connected to the other side of the top of the sheet metal lower shell (41), an air inlet window (66) is provided on the air inlet sheet metal (65), a top protective sheet metal cover (63) is fixedly connected to the top of the air outlet sheet metal (61) and the air inlet sheet metal (65), and protective coils (64) are installed on both sides of the top protective sheet metal cover (63).

6. The easily assembled, parallel-connectable inverter according to claim 5, characterized in that: A three-hole socket module (7) is installed below the inner end of the air inlet sheet metal (65). A switch (8) is fixedly connected above the three-hole socket module (7) at the inner end of the air inlet sheet metal (65). A display screen mounting plate (9) is fixedly connected to the inner end of the air inlet sheet metal (65) on the side of the switch (8).

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