Stacked connection structure and stacked inverter

Abstract

The utility model provides a stacked connection structure and a stacked inverter. The stacked connection structure comprises a plurality of stacked shell bodies, a first positioning guide column and a second positioning guide column which are used for cooperatively positioning two adjacent shell bodies, and a first connection unit and a second connection unit which are used for cooperatively connecting two adjacent shell bodies. The bottom face of the shell body located at the top is provided with a first positioning guide column and a first connecting unit, the top face of the shell body located at the bottom is provided with a second positioning guide column and a second connecting unit, and the bottom faces of the remaining shell bodies are provided with first positioning guide columns and first connecting units. And a second positioning guide column and a second connecting unit are respectively arranged on the top surfaces of the rest shell bodies. Every two adjacent shell bodies can be stacked and positioned through the corresponding first positioning guide column and the corresponding second positioning guide column, connection and fixation are achieved through the corresponding first connecting unit and the corresponding second connecting unit, and stacking arrangement of the multiple shell bodies is achieved. The stacked inverter is small in occupied area and can be arranged in sequence.

Description

Technical Field

[0001] The present application belongs to the technical field of inverters, and more specifically, relates to a stacking connection structure and a stacked inverter using the stacking connection structure. Background Art

[0002] With the continuous development of battery technology, energy storage batteries are becoming more and more widely used in life, mainly for emergency treatment and to meet outdoor electricity needs. In environments with high power consumption, multiple battery modules are required to meet power demand. The use of multiple battery modules requires the use of multiple inverters, which can convert DC power into fixed-frequency voltage or frequency-regulated AC current. However, during the assembly process, multiple inverters are usually placed randomly, resulting in a large occupied area; and when multiple inverters are adapted to different battery modules, there is a tendency for the order to be confused. Utility Model Content

[0003] The purpose of the embodiments of the present application is to provide a stacked connection structure and a stacked inverter to solve the problems existing in the related art: a large area occupied by multiple inverters and a disordered order.

[0004] To achieve the above purpose, the technical solution adopted in the embodiment of the present application is:

[0005] On the one hand, a stacking connection structure is provided, comprising a plurality of shell bodies stacked and arranged, a first positioning guide column and a second positioning guide column for cooperating to position two adjacent shell bodies, and a first connecting unit and a second connecting unit for cooperating to connect two adjacent shell bodies;

[0006] Among them, the bottom surface of the shell body located at the top is respectively provided with the first positioning guide column and the first connecting unit; the top surface of the shell body located at the bottom is respectively provided with the second positioning guide column and the second connecting unit; the bottom surface of the remaining shell body is respectively provided with the first positioning guide column and the first connecting unit, and the top surface of the remaining shell body is respectively provided with the second positioning guide column and the second connecting unit.

[0007] In one embodiment, the first connecting unit includes a mounting plate installed on the bottom surface of the shell body, the mounting plate is provided with a mounting hole, and a fastener is installed in the mounting hole; the second connecting unit includes a positioning seat installed on the top surface of the shell body, the positioning seat is provided with a positioning hole, and the fastener passes through the mounting hole and is locked in the positioning hole.

[0008] In one embodiment, the mounting plate is provided with a convex portion protruding outwardly, and the mounting hole is formed on the convex portion; and one end of the fastener away from the positioning seat is hidden in the convex portion.

[0009] In one embodiment, a positioning groove portion for the protrusion to be inserted into is formed on the positioning seat, and the positioning hole is formed on the bottom surface of the positioning groove portion.

[0010] In one embodiment, the first positioning guide column is provided with a first guide hole for the second positioning guide column to be inserted into; or,

[0011] The second positioning guide post is provided with a second guide hole for the first positioning guide post to be inserted into.

[0012] In one embodiment, a first guide groove is formed on the inner circumference of the first guide hole, and the first guide groove is arranged along the axial direction of the first guide hole; a first guide strip inserted into the first guide groove is formed on the outer circumference of the second positioning guide column; or

[0013] The inner circumference of the second guide hole is provided with a second guide groove, and the second guide groove is arranged along the axial direction of the second guide hole; the outer circumference of the first positioning guide column is provided with a second guide strip inserted into the second guide groove.

[0014] In one embodiment, the stacking connection structure further includes a supporting base for supporting a plurality of the shell bodies, and the supporting base is installed at the bottom of the shell body located at the bottom.

[0015] In one embodiment, a positioning plate is installed on the top surface of the support base, and a screw hole is opened on the positioning plate; the fastener on the shell body at the bottom is locked in the screw hole.

[0016] In one embodiment, the stacking connection structure further comprises a backrest plate installed on the support base, and the backrest plate is arranged on one side of the shell body located at the bottom.

[0017] On the other hand, a stacked inverter is provided, comprising the stacked connection structure provided by any one of the above embodiments.

[0018] The stacking connection structure and stacked inverter provided by the embodiments of the present application have at least the following beneficial effects: the present application stacks a plurality of shell bodies, wherein the bottom surfaces of the shell bodies at the top are respectively provided with a first positioning guide column and a first connection unit, the top surfaces of the shell bodies at the bottom are respectively provided with a second positioning guide column and a second connection unit, the bottom surfaces of the remaining shell bodies are respectively provided with a first positioning guide column and a first connection unit, and the top surfaces of the remaining shell bodies are respectively provided with a second positioning guide column and a second connection unit. In this way, stacking positioning can be achieved between two adjacent shell bodies through the first positioning guide column and the second positioning guide column, and connection and fixation can be achieved through the first connection unit and the second connection unit, thereby realizing the stacking arrangement of multiple shell bodies. The stacked inverter using the stacking connection structure occupies a small area and can be arranged in sequence, which is convenient for subsequent operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or exemplary technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the structure of a stacked inverter provided in an embodiment of the present application;

[0021] Figure 2 The structure of the shell body provided in the embodiment of the present application is shown in FIG. Figure 1 ;

[0022] Figure 3 for Figure 2 The enlarged schematic diagram of point A in the middle;

[0023] Figure 4 The structure of the shell body provided in the embodiment of the present application is shown in FIG. Figure 2 ;

[0024] Figure 5 for Figure 4 The enlarged schematic diagram of point B in the middle;

[0025] Figure 6 A schematic diagram of the structure of the support base provided in the embodiment of the present application;

[0026] Figure 7 A schematic structural diagram of a backrest plate provided in an embodiment of the present application.

[0027] Among them, the main marks of the drawings in the figure are:

[0028] 1. Shell body; 11. First positioning guide post; 110. First guide hole; 12. Second positioning guide post; 120. Second guide hole;

[0029] 13. first connection unit; 131. mounting plate; 1310. mounting hole; 1311. fastener; 1312. convex portion;

[0030] 14, second connecting unit; 141, positioning seat; 1410, positioning hole; 1411, positioning groove;

[0031] 2. Support base; 21. Positioning plate; 210. Screw hole; 22. First connecting hole; 23. Positioning socket;

[0032] 3. Backing plate; 31. Second connecting hole; 32. Positioning strip. Implementation

[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0034] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" means two or more, unless otherwise clearly and specifically defined. "Several" means one or more, unless otherwise clearly and specifically defined.

[0036] In the description of the present application, it should be understood that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0037] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] Reference throughout the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, when the phrases "in one embodiment" or "in some embodiments" appear in various places throughout the specification, not all references are to the same embodiment. Furthermore, in one or more embodiments, the particular features, structures, or characteristics may be combined in any suitable manner.

[0039] For the convenience of description, the three mutually perpendicular coordinate axes in space are defined as X-axis, Y-axis and Z-axis. Meanwhile, the direction along the X-axis is longitudinal, the direction along the Y-axis is transverse, and the direction along the Z-axis is vertical. The X-axis and the Y-axis are two mutually perpendicular coordinate axes in the same horizontal plane, and the Z-axis is a coordinate axis in the vertical direction. The X-axis, the Y-axis and the Z-axis are located in three mutually perpendicular planes in space, namely the XY plane, the YZ plane and the XZ plane. The XY plane is a horizontal plane, the XZ plane and the YZ plane are both vertical planes, and the XZ plane is perpendicular to the YZ plane. The three axes in space are the X-axis, the Y-axis and the Z-axis. Movement along the three axes in space refers to movement along the three mutually perpendicular axes in space, specifically movement along the X-axis, the Y-axis and the Z-axis in space. Plane movement refers to movement in the XY plane.

[0040] See also Figure 1 , Figure 2 and Figure 4 The stacking connection structure provided by the embodiment of the present application is now described. The stacking connection structure includes a plurality of shell bodies 1 stacked, a first positioning guide post 11, a second positioning guide post 12 for cooperating with the first positioning guide post 11 for positioning, a first connecting unit 13, and a second connecting unit 14 for cooperating with the first connecting unit 13 for connecting. The stacking arrangement of the plurality of shell bodies 1 can be understood as the plurality of shell bodies 1 along the Figure 1The Z-axis direction in the shell body 1 is arranged in sequence. The bottom surface of the shell body 1 located at the top is respectively provided with a first positioning guide column 11 and a first connecting unit 13, the top surface of the shell body 1 located at the bottom is respectively provided with a second positioning guide column 12 and a second connecting unit 14, the bottom surfaces of the remaining shell bodies 1 are respectively provided with a first positioning guide column 11 and a first connecting unit 13, and the top surfaces of the remaining shell bodies 1 are respectively provided with a second positioning guide column 12 and a second connecting unit 14. Here, the remaining shell bodies 1 can be understood as a plurality of shell bodies 1 between the shell body 1 located at the top and the shell body 1 located at the bottom. In this structure, the stacking positioning between two adjacent shell bodies 1 can be achieved by the first positioning guide column 11 and the second positioning guide column 12, and the connection and fixation can be achieved by the first connecting unit 13 and the second connecting unit 14, thereby realizing the stacking arrangement of multiple shell bodies 1.

[0041] In one embodiment, see Figure 3 and Figure 5 As a specific implementation of the stacking connection structure provided in the embodiment of the present application, the first connection unit 13 includes a mounting plate 131 installed on the bottom surface of the shell body 1, and a mounting hole 1310 is opened on the mounting plate 131, and a fastener 1311 is installed in the mounting hole 1310. Among them, the fastener 1311 can be a screw, a bolt, etc. The second connection unit 14 includes a positioning seat 141 installed on the top surface of the shell body 1, and a positioning hole 1410 is opened on the positioning seat 141. The fastener 1311 passes through the mounting hole 1310 and is locked in the positioning hole 1410. Among them, the positioning hole 1410 can be a threaded hole. In this structure, the hole opening operation is facilitated by the mounting plate 131 and the positioning seat 141; the connection strength between two adjacent shell bodies 1 can be improved by the fastener 1311.

[0042] In one embodiment, see Figure 3 As a specific implementation of the stacking connection structure provided in the embodiment of the present application, the mounting plate 131 is provided with a convex portion 1312 protruding outward, and the mounting hole 1310 is provided on the convex portion 1312; the end of the fastener 1311 away from the positioning seat 141 is hidden in the convex portion 1312. In this structure, the fastener 1311 can be hidden by the convex portion 1312, thereby improving the overall aesthetics.

[0043] In one embodiment, see Figure 5 As a specific implementation of the stacking connection structure provided in the embodiment of the present application, a positioning groove 1411 is provided on the positioning seat 141 for the convex portion 1312 to be inserted, and a positioning hole 1410 is provided on the bottom surface of the positioning groove 1411. In this structure, the positioning groove 1411 can play a directional guiding role, thereby improving the alignment accuracy and alignment efficiency of two adjacent shell bodies 1.

[0044] In one embodiment, see Figure 2 and Figure 4 , the number of the first connection units 13 provided on the bottom surface of each shell body 1 may be multiple; correspondingly, the number of the second connection units 14 provided on the top surface of each shell body 1 is also multiple. In the embodiment of the present application, the number of the mounting plates 131 may be two, and the two mounting plates 131 are relatively spaced apart. Two protrusions 1312 are provided on each mounting plate 131; correspondingly, the number of the positioning seats 141 may be four, and the four positioning seats 141 are respectively arranged in alignment with the four protrusions 1312. The four fasteners 1311 can respectively pass through the four mounting holes 1310 and be locked in the four positioning holes 1410, thereby increasing the connection strength between two adjacent shell bodies 1.

[0045] In one embodiment, see Figure 2 and Figure 4 As a specific implementation of the stacking connection structure provided in the embodiment of the present application, the first positioning guide column 11 is provided with a first guide hole 110 for inserting the second positioning guide column 12, and the first guide hole 110 is arranged along the axial direction of the first positioning guide column 11; or, the second positioning guide column 12 is provided with a second guide hole 120 for inserting the first positioning guide column 11, and the second guide hole 120 is arranged along the axial direction of the second positioning guide column 12. In this structure, the second positioning guide column 12 can be guided to be inserted into the first positioning guide column 11 through the first guide hole 110; or, the first positioning guide column 11 can be guided to be inserted into the second positioning guide column 12 through the second guide hole 120, thereby playing a positioning and guiding role, and also preventing the relative movement between the two adjacent shell bodies 1.

[0046] In one embodiment, as a specific implementation of the stacking connection structure provided in the embodiment of the present application, the inner circumference of the first guide hole 110 is provided with a first guide groove, and the first guide groove is arranged along the axial direction of the first guide hole 110; the outer circumference of the second positioning guide column 12 is provided with a first guide strip inserted into the first guide groove. Among them, the number of first guide grooves can be two, and the two first guide grooves are arranged oppositely; correspondingly, the number of first guide strips is also two, and the two first guide strips are respectively inserted into the two first guide grooves. Alternatively, the inner circumference of the second guide hole 120 is provided with a second guide groove, and the second guide groove is arranged along the axial direction of the second guide hole 120; the outer circumference of the first positioning guide column 11 is provided with a second guide strip inserted into the second guide groove. Among them, the number of second guide grooves can be two, and the two second guide grooves are arranged oppositely; correspondingly, the number of second guide strips is also two, and the two second guide strips are respectively inserted into the two second guide grooves. This structure can improve the alignment accuracy of the first positioning guide column 11 and the second positioning guide column 12 through the cooperation between the first guide strip and the first guide groove, or through the cooperation between the second guide strip and the second guide groove, and can prevent the rotation between two adjacent shell bodies 1.

[0047] In one embodiment, see Figure 1 As a specific implementation of the stacking connection structure provided in the embodiment of the present application, the stacking connection structure also includes a support base 2 for supporting multiple shell bodies 1, and the support base 2 is installed at the bottom of the shell body 1 located at the bottom. In this structure, the support base 2 can support multiple shell bodies 1, and then protect the multiple shell bodies 1.

[0048] In one embodiment, see Figure 6 As a specific implementation of the stacking connection structure provided in an embodiment of the present application, a positioning plate 21 is installed on the top surface of the support base 2, and a screw hole 210 is opened on the positioning plate 21; the fastener 1311 on the shell body 1 at the bottom is locked in the screw hole 210. Specifically, the number of mounting plates 131 can be two, and each positioning plate 21 is provided with two screw holes 210 at intervals; the four fasteners 1311 on the shell body 1 at the bottom can be locked in the four screw holes 210 respectively. This structure facilitates the hole opening operation by opening the screw holes 210 on the positioning plate 21. The connection between the fastener 1311 and the screw hole 210 facilitates the installation and disassembly between the support base 2 and the shell body 1.

[0049] In one embodiment, see Figure 1 , Figure 6 and Figure 7 As a specific implementation of the stacking connection structure provided in the embodiment of the present application, the stacking connection structure also includes a backrest plate 3 installed on the support base 2, and the backrest plate 3 is arranged on one side of the shell body 1 located at the bottom. Specifically, first connection holes 22 are respectively opened at both ends of the support base 2, and second connection holes 31 are opened on the backrest plate 3 at positions corresponding to each first connection hole 22, and each first connection hole 22 can be locked and fixed with the corresponding second connection hole 31 by a locking member such as a screw. In this structure, the shell body 1 can be separated from the wall by the backrest plate 3, thereby playing an isolation and protection role.

[0050] In one embodiment, see Figure 6 and Figure 7 The support base 2 is provided with a positioning hole 23, and the backrest plate 3 is provided with a positioning strip 32 inserted into the positioning hole 23. This structure can improve the alignment efficiency and accuracy of the backrest plate 3 and the support base 2 through the cooperation of the positioning strip 32 and the positioning hole 23.

[0051] The embodiment of the present application also provides a stacked inverter, including the stacking connection structure provided by any of the above embodiments, and the parts of the inverter can be installed in each shell body 1, and the multiple inverters formed by the combination are stacked. In this structure, by stacking multiple shell bodies 1, the bottom surface of the shell body 1 located at the top is respectively provided with a first positioning guide column 11 and a first connection unit 13, the top surface of the shell body 1 located at the bottom is respectively provided with a second positioning guide column 12 and a second connection unit 14, the bottom surface of the remaining shell bodies 1 is respectively provided with a first positioning guide column 11 and a first connection unit 13, and the top surface of the remaining shell bodies 1 is respectively provided with a second positioning guide column 12 and a second connection unit 14. In this way, the stacking positioning between two adjacent shell bodies 1 can be achieved through the first positioning guide column 11 and the second positioning guide column 12, and the connection and fixation can be achieved through the first connection unit 13 and the second connection unit 14, thereby realizing the stacking setting of multiple shell bodies 1. The stacked inverter using this stacking connection structure occupies a small area and can be arranged in sequence, which is convenient for subsequent operations.

[0052] The above description is only an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A stacking connection structure, characterized in that: It comprises a plurality of shell bodies arranged in a stacked manner, a first positioning guide column and a second positioning guide column for cooperating to position two adjacent shell bodies, and a first connecting unit and a second connecting unit for cooperating to connect two adjacent shell bodies; Among them, the bottom surface of the shell body located at the top is respectively provided with the first positioning guide column and the first connecting unit; the top surface of the shell body located at the bottom is respectively provided with the second positioning guide column and the second connecting unit; the bottom surface of the remaining shell body is respectively provided with the first positioning guide column and the first connecting unit, and the top surface of the remaining shell body is respectively provided with the second positioning guide column and the second connecting unit.

2. The stacking connection structure according to claim 1, wherein: The first connecting unit includes a mounting plate installed on the bottom surface of the shell body, the mounting plate is provided with a mounting hole, and a fastener is installed in the mounting hole; the second connecting unit includes a positioning seat installed on the top surface of the shell body, the positioning seat is provided with a positioning hole, and the fastener passes through the mounting hole and is locked in the positioning hole.

3. The stacking connection structure according to claim 2, wherein: The mounting plate is provided with a convex portion protruding outwardly, and the mounting hole is formed on the convex portion; and one end of the fastener away from the positioning seat is hidden in the convex portion.

4. The stacking connection structure according to claim 3, characterized in that: The positioning seat is provided with a positioning groove for the protrusion to be inserted into, and the positioning hole is provided on the bottom surface of the positioning groove.

5. The stacking connection structure according to claim 1, wherein: The first positioning guide post is provided with a first guide hole for the second positioning guide post to be inserted into; or, The second positioning guide post is provided with a second guide hole for the first positioning guide post to be inserted into.

6. The stacking connection structure according to claim 5, characterized in that: The inner circumference of the first guide hole is provided with a first guide groove, and the first guide groove is arranged along the axial direction of the first guide hole; the outer circumference of the second positioning guide column is provided with a first guide strip inserted into the first guide groove; or, The inner circumference of the second guide hole is provided with a second guide groove, and the second guide groove is arranged along the axial direction of the second guide hole; the outer circumference of the first positioning guide column is provided with a second guide strip inserted into the second guide groove.

7. The stacking connection structure according to claim 2, wherein: The stacking connection structure further includes a supporting base for supporting a plurality of the shell bodies, wherein the supporting base is installed at the bottom of the shell body located at the bottom.

8. The stacking connection structure according to claim 7, wherein: A positioning plate is installed on the top surface of the support base, and a screw hole is opened on the positioning plate; the fastener on the shell body at the bottom is locked in the screw hole.

9. The stacking connection structure according to claim 7, wherein: The stacking connection structure further comprises a backrest plate installed on the support base, wherein the backrest plate is arranged on one side of the shell body located at the bottom.

10. A stacked inverter, characterized in that: It comprises a stacking connection structure as described in any one of claims 1 to 9.

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