Inverter circuit board mounting structure and inversion device

Abstract

The utility model provides an inverter circuit board mounting structure and an inverter device, and relates to the technical field of circuit boards, the inverter circuit board mounting structure comprises a mainboard, a display board, a driving board and a connecting piece; the main board and the driving board are arranged at intervals in the height direction, the display board is arranged on the side, away from the driving board, of the main board in the height direction, and a first connecting line is arranged between the display board and the driving board; the connecting piece is positioned between the main board and the driving board; the connecting piece is provided with a threading opening, and the threading opening is used for the first connecting line to penetrate through. According to the inverter circuit board mounting structure provided by the invention, the first connecting line can be tidied and limited, and electromagnetic interference caused by mixed arrangement of connecting lines of different interfaces is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit board, in particular to an inverter circuit board mounting structure and an inverter device. BACKGROUND

[0002] The circuit board, also known as PCB board or printed circuit board, is a core basic piece for providing mechanical assembly support and electrical connection of electronic devices such as inverter devices, and simultaneously bearing the core basic piece of signal transmission, signal transceiving and power supply of electronic devices.

[0003] In order to facilitate fault positioning and module replacement, the inverter device adopts a design of multiple circuit boards, wherein the multiple circuit boards include a display board and a drive board, the display board and the drive board are arranged in sequence from top to bottom, and are electrically connected to each other through connecting lines.

[0004] However, the connecting lines between the above-mentioned circuit boards are often mixed and arranged, and are entangled with each other, and electromagnetic interference exists between each other, which affects the normal use of the inverter device. CONTENT OF THE INVENTION

[0005] Therefore, the present application provides an inverter circuit board mounting structure, which can regularize and limit the first connecting line, and avoid electromagnetic interference caused by mixed arrangement of connecting lines of different interfaces.

[0006] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0007] The present application provides an inverter circuit board mounting structure, which includes a main board, a display board, a drive board and a connecting piece.

[0008] The main board and the drive board are arranged in a height direction, the display board is arranged on a side of the main board away from the drive board in the height direction, and the display board and the drive board are provided with a first connecting line.

[0009] The connecting piece is located between the main board and the drive board, and the connecting piece is provided with a threading port for threading the first connecting line.

[0010] In a possible implementation, a support plate is further included, the support plate is located between the main board and the drive board, and the main board is located above the support plate.

[0011] The connecting piece is arranged on a surface of the support plate, and at least part of the connecting piece is located outside the support plate.

[0012] In a possible implementation, a support rod is arranged on a side of the support plate facing the main board, and the main board abuts against and is fixed to the support rod.

[0013] In a possible implementation, the main plate is provided with a support column on a side facing the display plate, and the display plate is in abutment with and fixed to the support column.

[0014] In a possible implementation, the connecting piece comprises a main body and a mounting portion, the main body is connected to a surface of the support plate, and the main body is provided with the wire passing opening.

[0015] The mounting portion is connected to the main body, and the mounting portion is located outside the support plate and is used for mounting and fixing to a housing.

[0016] In a possible implementation, the mounting portion is provided as a mounting plate, a first end of the mounting plate is connected to the main body, and a second end of the mounting plate extends in a vertical direction of the main body.

[0017] The mounting plate is provided with a plurality of fixing holes, and the mounting plate is fixedly connected to the housing through bolts passing through the plurality of fixing holes.

[0018] In a possible implementation, the wire passing opening is provided as a square wire passing opening, and the first connecting line is provided as a flat cable.

[0019] In a possible implementation, the wire passing opening is provided as a square notch, and the first connecting line is provided as a flat cable.

[0020] In a possible implementation, a second connecting line is connected between the driving plate and the main plate, the first connecting line and the second connecting line are respectively connected to two adjacent sides of the driving plate, one end of the second connecting line is connected to an upper end surface of the driving plate, and the other end of the second connecting line is bent to an upper end surface of the main plate.

[0021] In a possible implementation, the driving plate is provided with a first connecting seat, the display plate is provided with a second connecting seat, the first connecting seat is parallel to the second connecting seat, the second connecting seat is located at a side edge of the display plate, the first connecting seat is located at a side edge of the driving plate, the second connecting seat is located at a same side as the first connecting seat, and the display plate is arranged above the main plate in a horizontal direction and close to the first connecting seat.

[0022] In a possible implementation, an insulating layer is arranged between the main plate and the support plate.

[0023] In a possible implementation, the support plate is provided with a clearance and a fan vent, and the clearance is used at least for avoiding the electronic device of the driving plate.

[0024] The inverter device provided by the embodiment of the present application also has another aspect, which is an inverter circuit board mounting structure as described above.

[0025] The inverter circuit board mounting structure provided by the embodiment of the present application comprises a main board, a display board, a driving board and a connecting piece.

[0026] The main board and the driving board are arranged in a height direction, the display board is arranged on a side of the main board away from the driving board in the height direction, and the first connecting line is arranged between the display board and the driving board.

[0027] Compared with the arrangement of the connecting line between the circuit boards in the prior art, the inverter circuit board mounting structure provided by the present application can regularize and limit the first connecting line, and avoid the electromagnetic interference caused by the mixed arrangement of the connecting lines of different interfaces. BRIEF DESCRIPTION OF DRAWINGS

[0028] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and the present application is not limited to the specific embodiments described below.

[0029] Figure 1 The structure diagram of the inverter device provided by an embodiment of the present application.

[0030] Figure 2 The structure diagram of the inverter circuit board mounting structure provided by an embodiment of the present application.

[0031] Figure 3 The structure diagram of the connecting piece provided by an embodiment of the present application. Figure 2 The structure diagram of the connecting piece provided by an embodiment of the present application.

[0032] Figure 4 The structure diagram of the connecting piece provided by another embodiment of the present application.

[0033] Figure 5 The structure diagram of the support plate provided by an embodiment of the present application. Figure 2 The structure diagram of the support plate provided by an embodiment of the present application.

[0034] The reference signs are as follows: 100 - shell; 200 - main plate; 300 - driving plate; 400 - first connecting line; 500 - connecting piece; 510 - main body; 511 - threading opening; 520 - mounting portion; 521 - mounting plate; 521a - fixing hole; 600 - support plate; 610 - avoiding opening; 620 - fan vent; 700 - insulation layer; 800 - support rod; 900 - support column; 1000 - display plate; 1100 - second connecting line; 1200 - first connecting seat; 1300 - second connecting seat.

[0035] The specific embodiments of the present application have been shown in the above drawings, and will be described in more detail hereinafter. The drawings and the written description are not intended to restrict the scope of the embodiments of the present application in any way, but to explain the concepts of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0036] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application and how the technical solutions in the embodiments of the present application solve the above-mentioned technical problems will be described clearly and completely hereinafter with specific embodiments and in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0037] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms “mounting”, “connection”, “connecting” should be understood in a broad sense, for example, can be fixed connection, can be indirect connection through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0038] In the description of the embodiments of the present application, it should be understood that the terms “upper”, “lower”, “front”, “back”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer” and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the embodiments of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0039] The terms "first", "second", "third", "fourth" and the like in the description and in the claims of the present application, if any, of the above-described drawings, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the use of the terms so construed can be interchanged, under suitable circumstances, to describe the embodiments of the present application being described herein.

[0040] In the embodiments of the present application, the words "exemplary" and "for example" are used to mean example, illustration, or illustration, and not "preferred" over other embodiments or designs. In fact, the use of the words "exemplary" and "for example" is intended to present the relevant concept in a concrete manner.

[0041] In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those clearly listed steps or units, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0042] The circuit board, also known as PCB board or printed circuit board, provides mechanical assembly support and electrical connection for electronic devices such as inverter devices, and at the same time carries the core basic parts of electronic device signal transmission, signal transceiver and power supply.

[0043] In order to facilitate fault location and module replacement, the inverter device adopts a design of multiple circuit boards, which includes a display board and a drive board, and the display board and the drive board are arranged in sequence from top to bottom and are electrically connected to each other through connecting lines.

[0044] However, due to the mixed arrangement of the connecting lines between the above-mentioned circuit boards, they are intertwined with each other, and there is electromagnetic interference between each other, which affects the normal use of the inverter device.

[0045] Based on this, the inverter circuit board mounting structure provided by the embodiments of the present application includes a main board, a display board, a drive board and a connecting piece, wherein the connecting piece is located between the main board and the drive board, the connecting piece is provided with a threading port, and the threading port is used to thread the first connecting line connecting the display board and the drive board.

[0046] The main board and the driving board are arranged in a height direction with a spacing, the display board is arranged on a side of the main board away from the driving board in the height direction, and a first connecting line is arranged between the display board and the driving board. In order to avoid the connecting lines with different interfaces between the display board and the driving board from being wound together and interfering with each other, a connecting piece is arranged between the main board and the driving board. The connecting piece is provided with a threading hole, the first connecting line can be arranged in the threading hole, and the side of the threading hole can be used to regulate and limit the first connecting line, so as to avoid the mixed arrangement of the connecting lines with different interfaces.

[0047] Compared with the arrangement of the connecting lines between the circuit boards in the prior art, the inverter circuit board mounting structure provided in the application can regulate and limit the first connecting line, and avoid the electromagnetic interference caused by the mixed arrangement of the connecting lines with different interfaces.

[0048] The technical solutions of the embodiments of the application will be described in detail below with reference to the drawings and specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes can not be described in detail in some embodiments.

[0049] Referring to Figures 1 to 3 As shown in the figure, the embodiment of the application provides an inverter circuit board mounting structure, which comprises a main board 200, a driving board 300, a display board 1000 and a connecting piece 500. The main board 200 and the driving board 300 are arranged in a height direction with a spacing, the display board 1000 is arranged on a side of the main board 200 away from the driving board 300 in the height direction, and a first connecting line 400 is arranged between the display board 1000 and the driving board 300.

[0050] The display board 1000 is a circuit board, and the display board 1000 is powered by the driving board 300 through the first connecting line 400. The display board 1000 is connected to a display panel with display and operation functions through a wire harness, and is used to supply power to a display screen of the display panel and receive operation instructions of the display panel. The main board 200 is used for data processing and operation monitoring such as MPPT control and inverter control. The driving board 300 is mainly used to receive control instructions of the main board 200 to control the switching state of power switching devices such as IGBT, so as to ensure that the inverter efficiently and safely converts direct current into alternating current.

[0051] Further, in some embodiments, a support column 900 is arranged on a side of the main board 200 facing the display board 1000, and the display board 1000 is in abutment and fixed with the support column 900.

[0052] In a specific implementation, the main board 200 and the display board 1000 are arranged in a height direction with a spacing, and a support column 900 is arranged between the main board 200 and the display board 1000; wherein a threaded hole matched with a bolt is arranged in the support column 900; the support column 900 is installed on a surface of the main board 200 facing the display board 1000, and the bolt is threadedly connected with the support column 900 through the display board 1000 to support and fix the display board 1000.

[0053] Of course, the support column 900 can also cooperate with a nut to fix the display board 1000, and a threaded column matched with the nut is arranged at the top of the support column 900; the support column 900 is installed on a surface of the main board 200 facing the display board 1000, and the threaded column is threadedly connected with the nut through the display board 1000, which also plays a role of supporting and fixing the display board 1000; as for other types of support structures, as long as they can support and fix the display board 1000, they can replace the above two support structures, which will not be described one by one here.

[0054] The connecting piece 500 is located between the main board 200 and the driving board 300; the connecting piece 500 is provided with a threading port 511 for threading the first connecting line 400.

[0055] The first connecting line 400 is arranged between the display board 1000 and the driving board 300; in order to avoid the connecting lines with different interfaces between the display board 1000 and the driving board 300 from being wound together and interfering with each other electromagnetically, the connecting piece 500 is arranged, which is located between the main board 200 and the driving board 300, and is provided with the threading port 511, and the first connecting line 400 can be threaded in the threading port 511, and the periphery of the threading port 511 can regulate and limit the first connecting line 400 to avoid the mixed arrangement of the connecting lines with different interfaces.

[0056] Compared with the arrangement form of the connecting lines between the circuit boards in the prior art, the inverter circuit board mounting structure provided by the application can regulate and limit the first connecting line 400 to avoid the electromagnetic interference caused by the mixed arrangement of the connecting lines with different interfaces.

[0057] Referring to Figure 2 and Figure 5 , in some embodiments, a support plate 600 is further included, the support plate 600 is located between the main board 200 and the driving board 300, and the main board 200 is located above the support plate 600; the connecting piece 500 is arranged on a surface of the support plate 600, and at least part of the connecting piece 500 is located outside the support plate 600.

[0058] Further, in some embodiments, a support rod 800 is arranged on a side of the support plate 600 facing the main board 200, and the main board 200 abuts against and is fixed with the support rod 800.

[0059] Specifically, the end of the support rod 800 towards the main plate 200 is provided with a threaded hole matched with the bolt, and the bolt is screwed through the threaded hole and the main plate 200 to support and fix the main plate 200.

[0060] In a specific implementation, the main plate 200, the support plate 600, and the drive plate 300 are sequentially and spacedly arranged along the height direction, the main plate 200 is located above the support plate 600, and the drive plate 300 is located below the support plate 600.

[0061] Meanwhile, the support plate 600 is arranged in the inverter circuit board mounting structure, and the support plate can provide physical support and structural protection for the main plate 200 and components thereon, so as to ensure that the inverter circuit board mounting structure as a whole remains stable during use and installation.

[0062] Referring to FIGS. 1-3, Figure 2 and Figure 3 Further, in some embodiments, the connecting piece 500 includes a main body 510 and a mounting portion 520, the main body 510 is connected to the surface of the support plate 600, and the main body 510 is provided with a threading port 511; the mounting portion 520 is connected with the main body 510, and the mounting portion 520 is located outside the support plate 600, and the mounting portion 520 is used to be fixedly installed with the shell 100.

[0063] Further, in some embodiments, the mounting portion 520 is provided as a mounting plate 521, a first end of the mounting plate 521 is connected with the main body 510, and a second end of the mounting plate 521 extends towards the vertical direction of the main body 510; the mounting plate 521 is provided with a plurality of fixing holes 521a, and the mounting plate 521 can be fixedly connected with the shell 100 through the plurality of fixing holes 521a.

[0064] In a specific implementation, the bolt is arranged in the corresponding fixing hole 521a to realize the connection between the mounting plate 521 and the shell 100, and further realize the fixation of the connecting piece 500 away from the side of the support plate 600.

[0065] Similarly, the main body 510 is also provided with a plurality of limiting holes around the periphery of the threading port 511, and the bolt is arranged in the corresponding limiting hole to realize the connection between the main body 510 and the support plate 600.

[0066] Of course, the connection structure between the main body 510 and the support plate 600 can also be replaced by other forms of connection structures, such as buckles, and the like, and the operating personnel can select according to actual needs, which will not be described here.

[0067] Referring to FIGS. 1-3, Figure 3 in some embodiments, the threading port 511 is provided as a square threading port, and the first connecting line 400 is provided as a flat cable.

[0068] Of course, with reference to Figure 4 The threading hole 511 can also be a square notch, as shown. After the support plate 600 is connected to the main body 510, the support plate 600 does not completely close the threading hole 511, so that the first connecting line 400 can pass through the part of the threading hole 511 that is not closed.

[0069] Since the first connecting line 400 is arranged as a flat cable, in a specific implementation, the threading hole 511 is arranged as a square threading hole to adapt to the arrangement form of the first connecting line 400.

[0070] With reference to Figure 2 In some embodiments, the second connecting line 1100 is connected between the driving plate 300 and the main plate 200, and the first connecting line 400 and the second connecting line 1100 are respectively connected to two adjacent sides of the driving plate 300, one end of the second connecting line 1100 is connected to the upper end surface of the driving plate 300, and the other end is bent to the upper end surface of the main plate 200.

[0071] In a specific implementation, the first connecting line 400 and the second connecting line 1100 are respectively located on two adjacent sides of the driving plate 300, which can avoid mutual interference between the first connecting line 400 and the second connecting line 1100.

[0072] With reference to Figure 2 Further, in some embodiments, the first connecting seat 1200 is arranged on the driving plate 300, and the second connecting seat 1300 is arranged on the display plate 1000, the first connecting seat 1200 is parallel to the second connecting seat 1300, the second connecting seat 1300 is located on one side edge of the display plate 1000, the first connecting seat 1200 is located on one side edge of the driving plate 300, the side on which the second connecting seat 1300 is located on the display plate 1000 is the same side as the side on which the first connecting seat 1200 is located on the driving plate 300, and the display plate 1000 is arranged above the main plate 200 in the horizontal direction and close to the first connecting seat 1200.

[0073] In a specific implementation, the first connecting seat 1200 and the second connecting seat 1300 are located on the same side, which can reduce the distance between the first connecting seat 1200 and the second connecting seat 1300, thereby reducing the length of the first connecting line 400. In addition, the display plate 1000 is arranged close to the first connecting seat 1200, which further makes the second connecting seat 1300 close to the first connecting seat 1200. In this embodiment, the second connecting seat 1300 is located directly above the first connecting seat 1200, and the horizontal projection part of the second connecting seat 1300 coincides with the first connecting seat 1200.

[0074] With reference to Figure 2 In some embodiments, the insulating layer 700 is arranged between the main plate 200 and the support plate 600.

[0075] In a specific implementation, the insulating layer 700 is configured as an insulating paper, which can avoid the soldering points on the back of the main board 200 from being in contact with the support plate 600 below.

[0076] Referring to Figure 5 As shown in the drawings, in some embodiments, the support plate 600 is provided with a clearance 610 and a fan vent 620, wherein the clearance 610 is used at least for avoiding the electronic devices of the drive board 300.

[0077] In a specific implementation, the clearance 610 can avoid the installation of the support plate 600 from interfering with the circuit elements on the drive board 300. Of course, the shape and number of the clearance 610 should be determined according to the shape and number of the circuit elements on the circuit board, which will not be described here.

[0078] The embodiments of the present application also provide an inverter device comprising the inverter circuit board mounting structure in any of the above embodiments.

[0079] In the embodiments of the present application, the inverter circuit board mounting structure is the same as the inverter circuit board mounting structure in any of the above embodiments, and can bring the same or similar technical effects, which will not be described here. For details, please refer to the description of the above embodiments.

[0080] It should be understood that the above-mentioned various forms of flow can be reordered, added or deleted. For example, the steps described in the embodiments of the present application can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solutions disclosed in the embodiments of the present application can be achieved, which is not limited herein.

[0081] The above specific embodiments do not constitute a limitation on the protection scope of the embodiments of the present application. Those skilled in the art should understand that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent replacement and improvement made within the principles of the embodiments of the present application should be included in the protection scope of the embodiments of the present application.

Claims

1. An inverter circuit board mounting structure characterized by comprising: The display panel (1000) is arranged on the side of the main plate (200) away from the driving plate (300) along the height direction, and a first connecting line (400) is arranged between the display panel (1000) and the driving plate (300). The connecting piece (500) is located between the main plate (200) and the driving plate (300), and the connecting piece (500) is provided with a wire passing port (511) for passing the first connecting line (400). The support plate (600) is located between the main plate (200) and the driving plate (300), and the main plate (200) is located above the support plate (600).

2. The inverter circuit board mounting structure according to claim 1, characterized by The connecting piece (500) is arranged on the surface of the support plate (600), and at least part of the connecting piece (500) is located outside the support plate (600). The side of the support plate (600) facing the main plate (200) is provided with a support rod (800), and the main plate (200) and the support rod (800) are in abutment and fixed.

3. The inverter circuit board mounting structure according to claim 2, characterized by The side of the main plate (200) facing the display panel (1000) is provided with a support column (900), and the display panel (1000) and the support column (900) are in abutment and fixed.

4. The inverter circuit board mounting structure according to claim 1, characterized by The connecting piece (500) includes a main body (510) and a mounting portion (520), the main body (510) is connected to the surface of the support plate (600), and the main body (510) is provided with the wire passing port (511).

5. The inverter circuit board mounting structure according to claim 2, characterized by The mounting portion (520) is connected with the main body (510), and the mounting portion (520) is located outside the support plate (600), and the mounting portion (520) is used for mounting and fixing with the shell (100). The mounting portion (520) is arranged as a mounting plate (521), the first end of the mounting plate (521) is connected with the main body (510), and the second end of the mounting plate (521) extends in the vertical direction of the main body (510).

6. The inverter circuit board mounting structure according to claim 5, characterized by The mounting plate (521) is provided with a plurality of fixing holes (521a), and the mounting plate (521) can be fixedly connected with the shell (100) by passing a plurality of fixing holes (521a) through bolts. The wire passing port (511) is arranged as a square wire passing port, and the first connecting line (400) is arranged as a flat cable.

7. The inverter circuit board mounting structure according to claim 1, characterized by The wire passing port (511) is arranged as a square notch, and the first connecting line (400) is arranged as a flat cable.

8. The inverter circuit board mounting structure according to claim 1, characterized by The driving plate (300) and the main plate (200) are connected by a second connecting line (1100), the first connecting line (400) and the second connecting line (1100) are respectively connected to the two sides adjacent to the driving plate (300), one end of the second connecting line (1100) is connected to the upper end surface of the driving plate (300), and the other end is bent to the upper end surface of the main plate (200).

9. The inverter circuit board mounting structure according to claim 6, characterized by ​ 10. The inverter circuit board mounting structure according to claim 9, characterized by The driving plate (300) is provided with a first connecting seat (1200), the display plate (1000) is provided with a second connecting seat (1300), the first connecting seat (1200) is parallel with the second connecting seat (1300), the second connecting seat (1300) is located at one side edge of the display plate (1000), the first connecting seat (1200) is located at one side edge of the driving plate (300), the side of the display plate (1000) where the second connecting seat (1300) is located and the side of the driving plate (300) where the first connecting seat (1200) is located are on the same side, and the display plate (1000) is arranged above the main plate (200) in a horizontal direction close to the first connecting seat (1200).

11. The inverter circuit board mounting structure according to claim 2, characterized by An insulating layer (700) is arranged between the main plate (200) and the support plate (600).

12. The inverter circuit board mounting structure according to claim 2, characterized by The support plate (600) is provided with a avoiding opening (610) and a fan vent (620), wherein the avoiding opening (610) is used for avoiding at least the electronic devices of the driving plate (300).

13. An inverter device, characterized by comprising: An inverter circuit board mounting structure according to any one of claims 1-12.

Images