Current plug-in cover plate module, charger and vehicle

Abstract

The utility model provides a current plug-in cover plate module, a charger and a vehicle, and relates to the technical field of vehicles. The utility model provides a current plug-in cover plate module, which comprises a cover plate body, a copper bar, a circuit board and a heat dissipation shell, the copper bar is connected to the cover plate body and is directly connected with the circuit board; the circuit board is connected with the cover plate body; the heat dissipation shell is connected with the cover plate body, and the circuit board is sealed between the cover plate body and the heat dissipation shell. During assembly, the circuit board is connected with the cover plate body, the copper bar can be directly connected with the circuit board through selective wave soldering, then the heat dissipation shell is installed, heat of the copper bar and the circuit board can be dissipated outwards, and the cover plate body can be subjected to injection molding to form structural characteristics matched with an external plug-in device. The cover plate body and the copper bar are connected through the insert injection molding process, no socket needs to be additionally installed, the socket and the copper bar do not need to be connected in a conducted mode, the structure is more compact, the assembling procedure is simplified, and the heat dissipation performance is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle technical field especially is related to a current plug -in cover plate module, charging machine and vehicle. BACKGROUND

[0002] High -power fast charges are widely used in electric vehicles, with the increasing charging power, the corresponding copper bar current -carrying demand becomes larger. However, the power distribution unit of the charging machine in the vehicle has limited volume, the heat of the large -current copper bar and internal devices intensifies, further increasing the equipment heat dissipation burden. In addition, when connecting the copper bar, the copper bar is usually installed in the socket shell, and then the socket shell is connected to the equipment cover plate by bolts. The circuit board needs to be connected to the lower shell first, and then the lower shell and the equipment cover plate are connected. Because the lower shell blocks, the copper bar and the circuit board cannot be directly connected by selective wave soldering, thereby increasing the complexity of the assembly process. SUMMARY

[0003] The utility model discloses a current plug -in cover plate module, charging machine and vehicle to relieve the technical problem of the current plug -in cover plate module assembly process cumbersome in the prior art.

[0004] In a first aspect, the utility model provides a current plug -in cover plate module, which comprises: cover plate body, copper bar, circuit board and heat dissipation shell,

[0005] The copper bar is connected to the cover plate body, and the copper bar is inserted and passes through the circuit board.

[0006] The circuit board is connected with the cover plate body.

[0007] The heat dissipation shell is connected with the cover plate body, and the circuit board is enclosed between the cover plate body and the heat dissipation shell.

[0008] In combination with the first aspect, the utility model provides a first possible implementation of the first aspect, wherein the cover plate body is provided with a plurality of mounting bosses, and the plurality of mounting bosses jointly support the circuit board.

[0009] At least one of the mounting bosses is provided with a first positioning pin inserted into the circuit board.

[0010] In combination with the first possible implementation of the first aspect, the utility model provides a second possible implementation of the first aspect, wherein the mounting boss is provided with a first mounting hole, and an inlay nut is mounted in the first mounting hole.

[0011] The circuit board is connected to the inlay nut through a first threaded part.

[0012] In conjunction with the first aspect, this utility model provides a third possible implementation of the first aspect, wherein the cover plate body has a socket portion corresponding to the copper busbar on the outer surface opposite to the circuit board.

[0013] In conjunction with the first aspect, this utility model provides a fourth possible implementation of the first aspect, wherein the cover plate body is provided with a side enclosure surrounding the heat dissipation shell.

[0014] In conjunction with the first aspect, this utility model provides a fifth possible implementation of the first aspect, wherein the copper busbar and the circuit board are connected by selective wave soldering.

[0015] In conjunction with the first aspect, this utility model provides a sixth possible implementation of the first aspect, wherein the heat dissipation shell is provided with a second positioning pin adapted to the cover plate body.

[0016] In conjunction with the first aspect, this utility model provides a seventh possible implementation of the first aspect, wherein the heat dissipation shell and the cover plate body are connected by a second threaded component.

[0017] Secondly, the charger provided by this utility model is equipped with the current plug cover module described in the first aspect.

[0018] Thirdly, the vehicle provided by this utility model is equipped with the current plug-in cover module described in the first aspect.

[0019] The present invention provides the following advantages: a copper busbar is connected to the cover plate body, and the copper busbar is inserted and passes through the circuit board. The circuit board is connected to the cover plate body, and the heat sink is connected to the cover plate body. The circuit board is enclosed between the cover plate body and the heat sink. During assembly, the circuit board is connected to the cover plate body, and the copper busbar and the circuit board can be directly connected by selective wave soldering. Then the heat sink is installed, which can dissipate the heat of the copper busbar and the circuit board to the outside. The structure is more compact and the assembly process is simplified.

[0020] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the specific embodiments or related technologies of this utility model, the drawings used in the description of the specific embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1The utility model provides a sectional view of current plug -in cover plate module provided by the embodiment of the utility model,

[0023] Figure 2 The utility model provides a schematic view of the cover plate body, copper bar and circuit board of current plug -in cover plate module provided by the embodiment of the utility model,

[0024] Figure 3 The utility model provides an explosion view of current plug -in cover plate module provided by the embodiment of the utility model,

[0025] Figure 4 The utility model provides a partial enlarged schematic view of the cover plate body of current plug -in cover plate module provided by the embodiment of the utility model,

[0026] Figure 5 The utility model provides a schematic view of the heat dissipation shell of current plug -in cover plate module provided by the embodiment of the utility model.

[0027] Icon: 100 - cover plate body;110 - mounting boss;111 - first positioning pin;112 - first mounting hole;113 - inlay nut;114 - first threaded part;120 - socket part;130 - side wall part;200 - copper bar;300 - circuit board;400 - heat dissipation shell;401 - second positioning pin. DETAILED DESCRIPTION

[0028] The technical scheme of the utility model will be described below in conjunction with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0029] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only used for describing the name difference, and cannot be understood as indicating or implying relative importance. The physical quantity in the formula, such as no separate mark, should be understood as the basic quantity of the international system of units, or the derived quantity derived from the basic quantity through multiplication, division, differentiation or integration and other mathematical operations.

[0030] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "connection", "connect" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements.For the ordinary skill in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0031] As Figure 1 Indicated in the utility model embodiment provided by the current plug-in cover plate module, including: cover plate body 100, copper bar 200, circuit board 300 and heat dissipation shell 400;Copper bar 200 is connected to cover plate body 100, and copper bar 200 is inserted and passes through circuit board 300;Circuit board 300 is connected with cover plate body 100;Heat dissipation shell 400 is connected with cover plate body 100, and circuit board 300 is enclosed between cover plate body 100 and heat dissipation shell 400.

[0032] When assembling, copper bar 200 and circuit board 300 can be directly connected by selective wave crest welding, and copper bar 200 can be used as an insert, cover plate body 100 is processed by insert injection molding process, so that copper bar 200 is fixed relative to cover plate body 100, so it is not necessary to load the socket of copper bar 200 on cover plate body 100 by bolt fixed connection, cover plate body 100 can be injection molded to adapt to the structural characteristics (socket part 120) of external plug-in device, and the connection of cover plate body 100 and copper bar 200 is realized by insert injection molding process, without additional installation of socket and without conduction connection of socket and copper bar 200, the structure is more compact, and the assembly process is more simple.In the case of direct connection between copper bar 200 and circuit board 300, it is more suitable for conducting large current, and the heat quantity is lower, the heat of copper bar 200 and circuit board 300 can be dissipated to the outside by heat dissipation shell 400, and the heat dissipation performance is improved.

[0033] As Figure 2 , Figure 3 and Figure 4 Indicated in the utility model embodiment, cover plate body 100 is provided with a plurality of mounting bosses 110, and the plurality of mounting bosses 110 jointly support circuit board 300;At least one mounting boss 110 is provided with a first positioning pin 111 inserted in circuit board 300.

[0034] Under the support of mounting boss 110, the inner side surface of cover plate body 100 and circuit board 300 have a spacing, on the one hand, a certain space is reserved for the components on circuit board 300 between circuit board 300 and cover plate body 100, on the other hand, heat accumulation between circuit board 300 and cover plate body 100 can be avoided.

[0035] Further, the mounting boss 110 is provided with a first mounting hole 112, and an inlay nut 113 is mounted in the first mounting hole 112; and the circuit board 300 is connected to the inlay nut 113 through a first threaded member 114.

[0036] The cover plate body 100 is formed by injection molding, and the copper bar 200 is fixed relative to the cover plate body 100 during the injection molding of the cover plate body 100. In order to improve the load bearing capacity of the first mounting hole 112, the inlay nut 113 is fixed in the first mounting hole 112, the first threaded member 114 is connected to the inlay nut 113, and the circuit board 300 is pressed between the first threaded member 114 and the mounting boss 110, thereby ensuring stable installation of the circuit board 300.

[0037] Further, the outer surface of the cover plate body 100 away from the circuit board 300 is provided with a socket portion 120 corresponding to the copper bar 200. The shape of the socket portion 120 corresponds to the corresponding plug, and the socket portion 120 can be formed during the injection molding of the cover plate body 100, without the need for separate connection of an independent socket, thereby simplifying the production and assembly process and making the structure more compact.

[0038] As shown in Figure 1 , Figure 2 and Figure 3 , the cover plate body 100 is provided with a side wall portion 130 surrounding the heat dissipation shell 400, and the cover plate body 100 and the heat dissipation shell 400 are assembled more closely.

[0039] As shown in Figure 2 and Figure 5 , the heat dissipation shell 400 is provided with a second positioning pin 401 adapted to the cover plate body 100.

[0040] When the heat dissipation shell 400 is connected, the heat dissipation shell 400 is first mounted into the side wall portion 130 to preliminarily position the heat dissipation shell 400 relative to the cover plate body 100, then the second positioning pin 401 is inserted into the corresponding hole position on the cover plate body 100, and the heat dissipation shell 400 and the cover plate body 100 are connected through a second threaded member under the condition that the positioning of the heat dissipation shell 400 relative to the cover plate body 100 is accurate. The heat generated by the copper bar 200 and the circuit board 300 can be dissipated into the inner cavity of the heat dissipation shell 400, and then conducted to the outside by the heat dissipation shell 400. The heat dissipation shell 400 can be made of metal with high thermal conductivity to improve the heat dissipation efficiency.

[0041] The charging machine provided by the embodiment of the utility model is equipped with the current plug-in cover plate module recorded in the above embodiment.

[0042] The vehicle provided by the embodiment of the utility model is equipped with the current plug-in cover plate module recorded in the above embodiment.

[0043] The current plug-in cover plate module is suitable for large current conduction, has the technical advantages of reducing heat generation and easy heat dissipation, and the technical advantages of the current plug-in cover plate module can simplify the assembly process and reduce manufacturing costs.

[0044] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A current plug-in cover module, characterized in that, include: Cover body (100), copper busbar (200), circuit board (300) and heat sink (400); The copper busbar (200) is connected to the cover plate body (100), and the copper busbar (200) is inserted into and passes through the circuit board (300); The circuit board (300) is connected to the cover plate body (100); The heat sink (400) is connected to the cover plate body (100), and the circuit board (300) is enclosed between the cover plate body (100) and the heat sink (400).

2. The current plug-in cover module according to claim 1, characterized in that, The cover plate body (100) is provided with a plurality of mounting bosses (110), and the plurality of mounting bosses (110) together support the circuit board (300); At least one of the mounting bosses (110) is provided with a first positioning pin (111) inserted into the circuit board (300).

3. The current plug-in cover module according to claim 2, characterized in that, The mounting boss (110) is provided with a first mounting hole (112), and an inlaid nut (113) is installed in the first mounting hole (112); The circuit board (300) is connected to the inlaid nut (113) via a first threaded component (114).

4. The current plug-in cover module according to claim 1, characterized in that, The cover plate body (100) has a socket portion (120) on its outer surface opposite to the circuit board (300) that corresponds to the copper busbar (200).

5. The current plug-in cover module according to claim 1, characterized in that, The cover plate body (100) is provided with a side enclosure (130) surrounding the heat dissipation shell (400).

6. The current plug-in cover module according to claim 1, characterized in that, The copper busbar (200) is connected to the circuit board (300) by selective wave soldering.

7. The current plug-in cover module according to claim 1, characterized in that, The heat sink (400) is provided with a second positioning pin (401) that is adapted to the cover plate body (100).

8. The current plug-in cover module according to claim 1, characterized in that, The heat sink (400) is connected to the cover plate body (100) via a second threaded component.

9. A charger, characterized in that, The charger is equipped with a current plug cover module as described in any one of claims 1-8.

10. A vehicle, characterized in that, The vehicle is equipped with the current plug cover module as described in any one of claims 1-8.

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