Capacitor module and electrical equipment

Abstract

The utility model provides a capacitor module and an electrical device, and relates to the technical field of capacitor elements, and the capacitor module comprises an insulating mounting plate, a first busbar, a second busbar and a plurality of capacitors. A first bending part is arranged on one side of the insulating mounting plate, and the first busbar is mounted on one side of the insulating mounting plate; each capacitor is mounted on one side, deviating from the insulating mounting plate, of the first busbar; the second busbar comprises a plurality of connecting bars, each connecting bar can be connected with one end, far away from the first busbar, of the plurality of capacitors, and one side, facing the first bending part, of each connecting bar extends to form a second bending part. According to the utility model, the first busbar and the second busbar can electrically connect a plurality of capacitors, isolation between the capacitor module and the mounting surface of the electrical equipment is realized, the situation that the position of the insulating mounting plate moves and deviates is reduced, and the connecting bar is fixed and limited, so that the capacitors can be supported and mounted conveniently; and the capacitor module is prevented from loosening or falling off.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitor elements, and in particular to a capacitor module and electrical equipment. Background Art

[0002] The capacitor module is a device that holds electric charges. When voltage is applied to the capacitor module, the capacitor module will store electric charges. When the capacitor module vibrates, the connection and installation parts are prone to loosening and misalignment, causing a short circuit in the capacitor module and causing a fire, which in turn affects the safety of electrical equipment installed with the capacitor module and reduces the service life of the electrical equipment. Utility Model Content

[0003] The utility model aims to provide a capacitor module and an electrical device, wherein a first busbar and a second busbar can electrically connect a plurality of capacitors, an insulating mounting plate is provided to play an insulating role, and isolation is achieved between the capacitor module and the mounting surface of the electrical device, the insulating mounting plate is connected and fixed in position through a first mounting hole of a first bent portion, and position movement and offset of the insulating mounting plate are reduced, and the connecting row is connected and fixed through a second mounting hole of a second bent portion, so as to support and install the capacitor, prevent the capacitor module from loosening or falling off, and ensure the safety and reliability of the capacitor module during use.

[0004] A first aspect of the utility model provides a capacitor module, which includes an insulating mounting plate, a first busbar, a second busbar and a plurality of capacitors.

[0005] Insulated mounting plate;

[0006] A first busbar, the first busbar is installed on one side of the insulating mounting plate, a first bending portion is provided on one side of the first busbar, and a first mounting hole is opened in the first bending portion;

[0007] A plurality of capacitors, each of the capacitors is mounted on a side of the first busbar facing away from the insulating mounting plate;

[0008] The second busbar includes a plurality of connecting bars, each of which can be connected to an end of a plurality of capacitors away from the first busbar, and the connecting bars extend toward one side of the first bending portion to form a second bending portion, and the second bending portion is provided with a second mounting hole.

[0009] In a possible embodiment of the present invention, the first bending portion is disposed perpendicularly to the first bus bar, and the second bending portion is disposed perpendicularly to the connecting bar.

[0010] In a possible embodiment of the present invention, the first bending portion includes a first surface, the second bending portion includes a second surface, and the first surface and the second surface are in the same plane.

[0011] In a possible embodiment of the present invention, the connection bar is provided with a plurality of third mounting holes, and the connection bar is fixedly connected to one of the capacitors via one of the third mounting holes.

[0012] In a possible embodiment of the present invention, axes of the plurality of third mounting holes are parallel to each other.

[0013] In a possible embodiment of the present invention, the second bus bar is arranged in parallel with the first bus bar.

[0014] In a possible embodiment of the present invention, the connecting row includes a first connecting row and a second connecting row, the first connecting row is connected to one end of the four capacitors away from the first busbar, and the second connecting row is connected to one end of the four capacitors away from the first busbar.

[0015] In a possible embodiment of the present invention, the first connection row and the second connection row are arranged side by side along a first direction, and the first connection row and the second connection row are arranged in parallel.

[0016] In a possible embodiment of the present invention, the plurality of capacitors are arranged in a 2*n array structure, where n≥1.

[0017] A second aspect of the present invention provides an electrical device, comprising the capacitor module described in any one of the above embodiments.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention provides a capacitor module and electrical equipment, in which the first busbar and the second busbar can electrically connect multiple capacitors, and the insulating mounting plate can play an insulating role to achieve isolation between the capacitor module and the mounting surface of the electrical equipment, the first mounting hole of the first bent portion is fixed, the insulating mounting plate is connected and fixed, and the movement and offset of the position of the insulating mounting plate are reduced, the second mounting hole of the second bent portion is fixed, and the connecting row is fixed and limited, so as to support and install the capacitor, prevent the capacitor module from loosening or falling off, and ensure the safety and reliability of the capacitor module during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 The side structure diagram of the capacitor module provided in some embodiments of the present invention is shown in FIG. Figure 1 ;

[0021] Figure 2 A schematic diagram of the three-dimensional structure of a capacitor module provided in some embodiments of the present utility model;

[0022] Figure 3 The side structure diagram of the capacitor module provided in some embodiments of the present invention is shown in FIG. Figure 2 .

[0023] Description of main component symbols;

[0024] 100-capacitor module; 110-insulating mounting plate; 120-first busbar; 121-first bending portion; 1211-first mounting hole; 1212-first surface; 130-second busbar; 131-first connecting row; 132-second connecting row; 133-second bending portion; 1331-second mounting hole; 1332-second surface; 134-third mounting hole; 140-capacitor. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does 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 cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0032] Example 1

[0033] refer to Figure 1 As shown, an embodiment of the present application provides a capacitor module 100 , which includes an insulating mounting plate 110 , a first busbar 120 , a second busbar 130 , and a plurality of capacitors 140 .

[0034] Specifically, combined Figure 1 and Figure 2As shown, the first busbar 120 is installed on one side of the insulating mounting plate 110, and a first bending portion 121 is provided on one side of the first busbar 120, and the first bending portion 121 is provided with a first mounting hole 1211; each of the capacitors 140 is installed on the side of the first busbar 120 away from the insulating mounting plate 110; the second busbar 130 includes a plurality of connecting rows, each of which can be connected to one end of a plurality of capacitors 140 away from the first busbar 120, and the connecting row extends toward one side of the first bending portion 121 to form a second bending portion 133, and the second bending portion 133 is provided with a second mounting hole 1211. The mounting hole 1331, the first busbar 120 and the second busbar 130 can electrically connect multiple capacitors 140, and the insulating mounting plate 110 is provided to play an insulating role to achieve isolation between the capacitor module 100 and the mounting surface of the electrical equipment. The first mounting hole 1211 of the first bent portion 121 is fixed, and the insulating mounting plate 110 is connected and fixed to reduce the movement and offset of the position of the insulating mounting plate 110. The second mounting hole 1331 of the second bent portion 133 is fixed, and the connecting row is fixed and limited to facilitate the support and installation of the capacitor 140 to prevent the capacitor module 100 from loosening or falling off.

[0035] It should be noted that the first busbar 120 and the second busbar 130 mainly play the role of connection and conduction in the capacitor 140, especially in high-power electronic equipment or power systems, such as in capacitor 140 groups, inverter cabinets, capacitor 140 cabinets, etc., to ensure reliable connection between the capacitor 140 and the main circuit.

[0036] Exemplarily, the material of the first busbar 120 and the second busbar 130 may both include copper or a copper alloy to adapt to different working conditions and performance requirements to achieve a conductive effect.

[0037] like Figure 1 and Figure 2 As shown, the capacitor module 100 has a first direction. Exemplarily, the first direction is the length direction of the capacitor module 100. It is understood that the above definition is only for the convenience of understanding the relative position relationship of each part in the capacitor module 100, and should not be understood as a limitation of the present application.

[0038] In one embodiment, optionally, reference Figure 2 and Figure 3As shown, the first bending portion 121 is vertically arranged with the first busbar 120, and the second bending portion 133 is vertically arranged with the connecting bar, that is, the setting direction of the first bending portion 121 is perpendicular to the setting direction of the first busbar 120, and the setting direction of the second bending portion 133 is perpendicular to the setting direction of the connecting bar, so that the first busbar 120 can be installed through the first bending portion 121, and the positions of the opposite ends of the first busbar 120 can be identified through the first bending portion 121, and the connecting bar can be installed through the second bending portion 133, and the positions of the opposite ends of the connecting bar can be identified through the second bending portion 133, which is conducive to the installation of the capacitor 140 through the first busbar 120 and the connecting bar.

[0039] In one embodiment, optionally, reference Figure 2 As shown, the connection bar is provided with a plurality of third mounting holes 134 , and the connection bar is fixedly connected to one of the capacitors 140 via one of the third mounting holes 134 . One connection bar can correspond to a plurality of capacitors 140 .

[0040] Optionally, the connecting row includes a first connecting row 131 and a second connecting row 132, the first connecting row 131 is connected to one end of the four capacitors 140 away from the first bus bar 120, and the second connecting row 132 is connected to one end of the four capacitors 140 away from the first bus bar 120. Accordingly, the number of the first connecting row 131 and the second connecting row 132 can be one or more, one first connecting row 131 corresponds to four capacitors 140, and one second connecting row 132 corresponds to four capacitors 140.

[0041] In summary, the first busbar 120 and the second busbar 130 of the capacitor module 100 can electrically connect multiple capacitors 140. The insulating mounting plate 110 is provided to play an insulating role, thereby achieving isolation between the capacitor module 100 and the mounting surface of the electrical equipment. The first mounting hole 1211 of the first bent portion 121 is fixed to connect and fix the insulating mounting plate 110, thereby reducing the movement and offset of the insulating mounting plate 110. The second mounting hole 1331 of the second bent portion 133 is fixed to fix and limit the connecting row, so as to support and install the capacitor 140, prevent the capacitor module 100 from loosening or falling off, and ensure the safety and reliability of the capacitor module 100 during use.

[0042] Example 2

[0043] refer to Figure 1 As shown, an embodiment of the present application provides another capacitor module 100 , which includes an insulating mounting plate 110 , a first busbar 120 , a second busbar 130 , and a plurality of capacitors 140 .

[0044] Specifically, combined Figure 1 and Figure 2 As shown, the first busbar 120 is installed on one side of the insulating mounting plate 110, and a first bending portion 121 is provided on one side of the first busbar 120, and a first mounting hole 1211 is provided on the first bending portion 121; each of the capacitors 140 is installed on the side of the first busbar 120 away from the insulating mounting plate 110, and the insulating mounting plate 110 can play an insulating role to achieve isolation between the capacitor module 100 and the mounting surface of the electrical equipment. Exemplarily, the insulating mounting plate 110 is made of non-metallic materials, such as epoxy resin, polyester, polytetrafluoroethylene (PTFE), polyimide, phenolic resin, etc. The insulating plate needs to have good dielectric strength, heat resistance, chemical corrosion resistance and mechanical strength to ensure stable and reliable operation in complex environments. There is no specific restriction on the material of the insulating mounting plate 110.

[0045] In this embodiment, the second busbar 130 includes a plurality of connection rows, each of which can be connected to one end of a plurality of capacitors 140 away from the first busbar 120, and the connection row extends toward one side of the first bending portion 121 to form a second bending portion 133. The second bending portion 133 is provided with a second mounting hole 1331. The first busbar 120 and the second busbar 130 can electrically connect the plurality of capacitors 140, and the first mounting hole 1211 of the first bending portion 121 is fixed to connect and fix the insulating mounting plate 110 to reduce movement and offset of the insulating mounting plate 110, and the second mounting hole 1331 of the second bending portion 133 is fixed to fix and limit the connection row to support and install the capacitor 140 and prevent the capacitor module 100 from loosening or falling off.

[0046] like Figure 1 and Figure 2 As shown, the capacitor module 100 has a first direction. For example, the first direction is the length direction of the capacitor module 100.

[0047] In one embodiment, optionally, reference Figure 2 and Figure 3As shown, the first bending portion 121 is vertically arranged with the first busbar 120, and the second bending portion 133 is vertically arranged with the connecting bar, that is, the setting direction of the first bending portion 121 is perpendicular to the setting direction of the first busbar 120, and the setting direction of the second bending portion 133 is perpendicular to the setting direction of the connecting bar, so as to facilitate the installation of the first busbar 120 through the first bending portion 121 and the installation of the connecting bar through the second bending portion 133, and the first bending portion 121 and the second bending portion 133 play a role in identifying the position and marking of the connecting bar, which is beneficial to the installation of the capacitor 140 through the first busbar 120 and the connecting bar.

[0048] Alternatively, if Figure 3 As shown, the first bending portion 121 includes a first surface 1212, and the second bending portion 133 includes a second surface 1332, and the first surface 1212 and the second surface 1332 are in the same plane. Accordingly, when the first surface 1212 of the first bending portion 121 and the second surface 1332 of the second bending portion 133 are in the same plane, it is convenient to install and fix the capacitor module 100 after keeping the first surface 1212 and the second surface 1332 in contact with the mounting surface, thereby improving the tightness of the installation of the capacitor module 100 and having a better fixing effect.

[0049] In one embodiment, optionally, reference Figure 2 As shown, the connecting row is provided with a plurality of third mounting holes 134, and the connecting row is fixedly connected to one of the capacitors 140 via one of the third mounting holes 134. One connecting row can correspond to a plurality of capacitors 140. Exemplarily, the connecting row is fixedly connected to the plurality of capacitors 140 via bolts passing through the third mounting holes 134.

[0050] Optionally, the axes of the plurality of third mounting holes 134 are parallel to each other, that is, the plurality of third mounting holes 134 are located on the same plane, and the connection row and the capacitor 140 are connected through the plurality of third mounting holes 134, which has a better fixed installation effect. Exemplarily, the plurality of third mounting holes 134 are arranged in an array structure.

[0051] In one embodiment, optionally, in combination Figure 1 and Figure 2 As shown, the second busbar 130 is arranged in parallel with the first busbar 120, so that the second busbar 130 and the first busbar 120 are respectively installed at opposite ends of the capacitor 140. Exemplarily, the first busbar 120 can correspond to a plurality of capacitors 140.

[0052] Optionally, the connection row includes a first connection row 131 and a second connection row 132, the first connection row 131 is connected to one end of the four capacitors 140 away from the first busbar 120, and the second connection row 132 is connected to one end of the four capacitors 140 away from the first busbar 120. Accordingly, the number of the first connection row 131 and the second connection row 132 can be one or more, one first connection row 131 corresponds to four capacitors 140, and one second connection row 132 corresponds to four capacitors 140. Exemplarily, the surfaces of the first connection row 131 and the second connection row 132 are both provided with a coating, and the coating is one of tin or silver, which protects the first connection row 131 and the second connection row 132, improves the service life, and can improve the conductive performance.

[0053] Furthermore, the first connection row 131 and the second connection row 132 are arranged side by side along the first direction, and the first connection row 131 and the second connection row 132 are arranged in parallel, that is, the connection direction of the first connection row 131 and the second connection row 132 is parallel to the first busbar 120, so that multiple capacitors 140 are arranged in sequence.

[0054] In one embodiment, optionally, the plurality of capacitors 140 are arranged in a 2*n array structure, where n≥1, and n is a natural number. The plurality of capacitors 140 are arranged in an array structure, which has better matching and symmetry of the capacitors 140, ensures the signal integrity of the capacitor module 100, reduces parasitic inductance and resistance, and minimizes switching time, ensuring that the plurality of capacitors 140 are all affected by the same environment.

[0055] Example 3

[0056] An embodiment of the utility model further provides an electrical device, including the capacitor module 100 in embodiment 1 or embodiment 2. The capacitor module 100 is applied to the electrical connection of the electrical device. The electrical device has all the beneficial effects of the capacitor module 100, which will not be described in detail here.

[0057] In all examples shown and described herein, any specific values ​​should be interpreted as merely exemplary and not as limiting, and thus other examples of the exemplary embodiments may have different values.

[0058] The above-mentioned embodiments only express several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A capacitor module, characterized in that: include: Insulated mounting plate; A first busbar, the first busbar is installed on one side of the insulating mounting plate, a first bending portion is provided on one side of the first busbar, and a first mounting hole is opened in the first bending portion; A plurality of capacitors, each of the capacitors is mounted on a side of the first busbar facing away from the insulating mounting plate; The second busbar includes a plurality of connecting bars, each of which can be connected to an end of a plurality of capacitors away from the first busbar, and the connecting bars extend toward one side of the first bending portion to form a second bending portion, and the second bending portion is provided with a second mounting hole.

2. The capacitor module according to claim 1, characterized in that: The first bending portion is disposed perpendicularly to the first bus bar, and the second bending portion is disposed perpendicularly to the connecting bar.

3. The capacitor module according to claim 2, characterized in that: The first bending portion includes a first surface, the second bending portion includes a second surface, and the first surface and the second surface are in the same plane.

4. The capacitor module according to claim 1, characterized in that: The connection bar is provided with a plurality of third mounting holes, and the connection bar is fixedly connected to one of the capacitors via one of the third mounting holes.

5. The capacitor module according to claim 4, characterized in that: Axis lines of the plurality of third mounting holes are parallel to each other.

6. The capacitor module according to claim 1, characterized in that: The second busbar is arranged in parallel with the first busbar.

7. The capacitor module according to any one of claims 1 to 6, characterized in that: The connecting bar includes a first connecting bar and a second connecting bar, the first connecting bar is connected to one end of the four capacitors away from the first bus bar, and the second connecting bar is connected to one end of the four capacitors away from the first bus bar.

8. The capacitor module according to claim 7, characterized in that: The first connection row and the second connection row are arranged side by side along a first direction, and the first connection row and the second connection row are arranged in parallel.

9. The capacitor module according to any one of claims 1 to 6, characterized in that: The plurality of capacitors are arranged in a 2*n array structure, wherein n≥1.

10. An electrical device, characterized in that: A capacitor module comprising any one of claims 1 to 9.

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