High-power fast charging module

Abstract

The utility model provides a high-power fast charging module, and relates to the technical field of charging devices. A high-power fast charging module comprises a heat dissipation shell, a mounting base, a relay and a plurality of first power running bars, the relay is arranged on the mounting base, the first power running bars are electrically connected with power running ports of the relay, and the mounting base, the relay and the first power running bars are all mounted in the heat dissipation shell. One end of the first wiring bar is provided with the heat dissipation part, the surface of the heat dissipation part is attached to the inner side wall of the heat dissipation shell, a large heat dissipation face is formed through the heat dissipation shell, heat is rapidly transferred to the external environment, and internal heat dissipation is achieved. The heat dissipation part and the heat dissipation shell transfer heat in a heat transfer mode, the heat conduction effect is good, the heat dissipation efficiency is high, only mounting holes of the mounting base need to be formed in the heat dissipation shell, and the mounting space is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of charging devices, and in particular to a high-power fast charging module. Background Art

[0002] In the field of new energy vehicles, high-power fast charging can quickly charge electric vehicles and bring the charging speed to a new level. As the charging power continues to increase, the space occupied by the components in the corresponding power distribution unit will become larger. The volume of the entire power distribution unit is limited, the internal components are arranged more and more compactly, and the heat dissipation space is smaller, which can easily cause the internal components to heat up more seriously, affecting the efficiency and practical life of the charging module at the least, and causing safety accidents at the worst. Utility Model Content

[0003] The purpose of the utility model is to provide a high-power fast charging module to solve the above-mentioned technical problems.

[0004] An embodiment of the utility model provides a high-power fast charging module, which includes: a heat dissipation shell, a mounting seat, a relay, and a plurality of first power strips, wherein the relay is arranged on the mounting seat, and the mounting seat, the relay and the first power strips are all arranged inside the heat dissipation shell, the first power strip is electrically connected to the power strip port of the relay, and one end of the first power strip has a heat dissipation portion, and the surface of the heat dissipation portion is in contact with the inner wall of the heat dissipation shell.

[0005] Furthermore, the heat dissipation portion is provided with an insulating heat-conducting layer, and the insulating heat-conducting layer is bonded to the inner surface of the heat dissipation shell.

[0006] Furthermore, the first power strip also includes an extension portion and a fixed portion, and the fixed portion, the extension portion and the heat dissipation portion are connected in sequence to form a Z-shaped structure, the fixed portion is detachably connected to the mounting seat, and the extension portion fits the outer wall of the relay and is connected to the power port of the relay.

[0007] Furthermore, a port power strip is provided at one end of the first power strip away from the heat dissipation portion, and the port power strip is electrically connected to the first power strip.

[0008] Furthermore, a power-on insurance component is provided on the mounting seat, the power-on insurance component is detachably connected to the mounting seat, and the power-on insurance component is connected in series with the relay.

[0009] Furthermore, the relay and the power-on fuse assembly are respectively mounted on opposite sides of the mounting base.

[0010] Furthermore, a fixing groove is provided on the mounting seat, and the power-on insurance component is arranged in the fixing groove.

[0011] Furthermore, the power-on insurance component includes a fuse and a second power-off bus, and the second power-off bus is connected to the power-off port of the fuse.

[0012] Furthermore, a limiting groove is provided on the mounting seat, and the second power strip is arranged in the limiting groove.

[0013] Furthermore, the high-power fast charging module also includes a control circuit board, and the control circuit board is electrically connected to the relay.

[0014] The utility model provides a high-power fast charging module, which includes: a heat dissipation shell, a mounting seat, a relay, and a plurality of first power strips, wherein the relay is arranged on the mounting seat, and the mounting seat, the relay and the first power strips are all arranged inside the heat dissipation shell, the first power strip is electrically connected to the power outlet port of the relay, and one end of the first power strip has a heat dissipation portion, and the surface of the heat dissipation portion is in contact with the inner wall of the heat dissipation shell. The heat dissipation shell is used to form a larger heat dissipation surface, and heat is quickly transferred to the external environment to achieve internal heat dissipation. The heat dissipation portion and the heat dissipation shell transfer heat by heat transfer, which has good thermal conductivity and high heat dissipation efficiency, and it is necessary to open a mounting hole for the mounting seat on the heat dissipation shell to optimize the installation space. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 An exploded diagram of a high-power fast charging module provided in an embodiment of the utility model;

[0017] Figure 2 An exploded diagram of the structure of the relay and the first power strip in the high-power fast charging module provided in the embodiment of the utility model;

[0018] Figure 3 A cross-sectional view of a high-power fast charging module provided in an embodiment of the utility model.

[0019] Icons: 100-heat dissipation housing; 200-mounting base; 300-relay; 400-first power strip; 401-heat dissipation part; 500-insulating thermal conductive layer; 402-extension part; 403-fixing part; 600-port power strip; 201-fixing slot; 701-fuse; 702-second power strip; 202-limiting slot; 800-control circuit board; 404-fixing hole; 900-fixing nut. DETAILED DESCRIPTION

[0020] 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.

[0021] In the description of the present utility model, it should be noted that the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the present 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.

[0022] 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.

[0023] 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.

[0024] Example 1

[0025] Please refer to Figure 1As shown, this embodiment provides a high-power fast charging module, which includes: a heat dissipation shell 100, a mounting base 200, a relay 300, and a plurality of first power strips 400. The relay 300 is arranged on the mounting base 200, and the relay 300 and the mounting base 200 are integrally installed inside the heat dissipation shell 100. The first power strip 400 is electrically connected to the power strip port of the relay 300, and one end of the first power strip 400 has a heat dissipation portion 401, and the surface of the heat dissipation portion 401 is in contact with the inner wall of the heat dissipation shell 100.

[0026] Please refer to Figure 1 As shown, Figure 1 An exploded diagram of a high-power fast charging module provided for the present embodiment. In the present embodiment, the relay 300 may adopt a commercially available relay 300 or any existing relay 300 that meets the use requirements. The relay 300 is provided with a plurality of power outlet ports, each of which is respectively connected to a first power outlet row 400, which is respectively connected to the external fast charging port and the battery interface through the first power outlet row 400 to form a complete charging circuit. One end of the first power outlet row 400 has a heat dissipation portion 401, and the heat dissipation portion 401 is in contact with the inner wall of the heat dissipation housing 100. The first power outlet row 400 is made of a metal conductive material to realize the electrical connection between the external device and the relay 300. At the same time, the metal material has good thermal conductivity, and the heat generated when the relay 300 is working is quickly transferred to the heat dissipation portion 401. Since the heat dissipation portion 401 is in contact with the heat dissipation housing 100, the heat dissipation housing 100 forms a larger heat dissipation surface, which quickly transfers the heat to the external environment to realize internal heat dissipation. The heat dissipation part 401 and the heat dissipation housing 100 transfer heat by heat transfer, with good thermal conductivity and high heat dissipation efficiency. Since the relay 300 is electrically connected to the external device through the first power bus 400, the shape of the power bus can be reasonably changed and reasonably arranged as needed to make the power bus compact, thereby reducing the volume of the high-power fast charging module. The power bus plays the role of both electrical and thermal conductivity, and works synergistically with the heat dissipation housing 100 to solve the problem of heat dissipation difficulties.

[0027] Optionally, in some implementations of this embodiment, the power busbar may be made of copper with good electrical conductivity.

[0028] Optionally, in some implementations of this embodiment, the mounting base 200 may be made of plastic material, which is light in weight and low in cost.

[0029] Optionally, in some implementations of this embodiment, the heat dissipation portion 401 is provided with an insulating heat-conducting layer 500 , and the insulating heat-conducting layer 500 is bonded to the inner surface of the heat dissipation housing 100 .

[0030] Please refer to Figure 3As shown, in this embodiment, an insulating heat-conducting layer 500 is provided between the heat dissipation part 401 and the heat dissipation housing 100, one side of the insulating heat-conducting layer 500 is bonded to the surface of the heat dissipation part 401, and the other side of the insulating heat-conducting layer 500 is bonded to the inner wall of the heat dissipation housing 100. The insulating heat-conducting layer 500 can be made of a heat-conducting insulating material such as a thermally conductive silicone sheet or an alumina ceramic. The insulating heat-conducting layer 500 increases the fit between the heat dissipation part 401 and the heat dissipation housing 100, thereby improving the heat conduction effect. It can be understood that the first power bus 400 is directly connected to the power port of the relay 300, and the first power bus 400 needs to be used as a conductor to connect the circuit, so the heat dissipation part 401 is electrically connected to the relay 300, and the relay 300 has a certain voltage after being energized. Due to the processing precision constraint, it is impossible to directly fit the heat dissipation part 401 and the heat dissipation shell 100 to dissipate heat. To ensure safety, an insulating heat-conducting layer 500 is provided between the heat dissipation part 401 and the heat dissipation shell 100 for isolation. The material used for the heat dissipation shell 100 is more flexible, and a metal material with good thermal conductivity can be used to improve the heat dissipation effect. In addition to increasing the heat dissipation area and improving the heat dissipation effect, the heat dissipation shell 100 is also used to protect the internal relay 300 and other devices. A material that is resistant to collision and impact can be used to increase the service life. The material selection of the heat dissipation shell 100 is more flexible, and more common materials can be used, thereby reducing production costs.

[0031] Optionally, in some implementations of the present embodiment, the first power bus 400 further includes an extension portion 402 and a fixed portion 403, and the fixed portion 403, the extension portion 402 and the heat dissipation portion 401 are sequentially connected to form a Z-shaped structure, the fixed portion 403 is detachably connected to the mounting base 200, and the extension portion 402 fits the outer wall of the relay 300 and is connected to the power port of the relay 300.

[0032] Please refer to Figure 3As shown, in this embodiment, the relay 300 is a two-unit horizontal structure, including two input ports and two output ports. The relay 300 is fixed to the mounting seat 200 by screws, and each power port of the relay 300 is connected to a first power row 400. Among them, the first power row 400 includes the above-mentioned heat dissipation part 401 and the extension part 402 and the fixing part 403 connected to the heat dissipation part 401, and the extension part 402 is bent to fit the outer wall of the relay 300. On the one hand, the extension part 402 fits the power port of the relay 300, which facilitates the connection between the extension part 402 and the power port of the relay 300, increases the contact area, ensures the stability of the circuit connection, and avoids the occurrence of poor contact. A fixing hole 404 is opened on the fixing part 403, and the fixing part 403 is connected to the mounting seat 200 by a fixing nut 900 to ensure the stability of the entire first power row 400. The fixing part 403, the extension part 402 and the heat dissipation part 401 are connected in sequence to form a Z-shaped structure, which fits the external shape of the relay 300, makes full use of the space and reduces the installation volume. The relay 300 and the first power strip 400 are fixed on the mounting base 200 to form an integrated module. The first power strip 400 is in contact with the heat dissipation housing 100 through the insulating heat conductive layer 500 to dissipate heat, thereby ensuring the heat dissipation effect while reducing the volume of the device and improving the use effect.

[0033] Optionally, in some implementations of this embodiment, a port power bus 600 is provided at one end of the first power bus 400 away from the heat dissipation portion 401 , and the port power bus 600 is electrically connected to the first power bus 400 .

[0034] Please refer to Figure 2 As shown, in this embodiment, the first power strip 400 is detachably connected to the port power strip 600, and the port power strip 600 is used to connect an external circuit to power the relay 300. The port power strip 600 is provided with a connecting nut for connecting an external circuit connector, which is convenient for assembly and connection. At the same time, the port power strip 600 is detachably connected to the first power strip 400, and can be adjusted according to the position of the external circuit connector to improve the adaptability of the device.

[0035] Optionally, in some implementations of the present embodiment, a power-on insurance component is provided on the mounting base 200 , and the power-on insurance component is detachably connected to the mounting base 200 .

[0036] Optionally, in some implementations of the present embodiment, a fixing slot 201 is provided on the mounting base 200 , and the power-on fuse component is disposed in the fixing slot 201 .

[0037] Please refer to Figure 1As shown, in this embodiment, a fixing groove 201 is provided on the mounting seat 200, and the shape and size of the fixing groove 201 are adapted to the shape and size of the power-on insurance component. During assembly, the power-on insurance component can be quickly fixed in the fixing groove 201, thereby improving the stability of the power-on insurance component.

[0038] Optionally, in some implementations of this embodiment, the relay 300 and the power-on fuse assembly are respectively installed on opposite sides of the mounting base 200 .

[0039] Please refer to Figure 1 As shown, in this embodiment, a fixing groove 201 for fixing the power-on fuse component is provided on one side of the mounting seat 200, and a step structure for fixing the current collector is formed on the other side of the mounting seat 200. The relay 300 is arranged opposite to the power-on fuse component. On the one hand, the power-on fuse component and the relay 300 will generate heat during operation, and the separate arrangement is conducive to improving heat dissipation.

[0040] Optionally, in some implementations of this embodiment, the power-on fuse component includes a fuse 701 and a second power strip 702 , and the second power strip 702 is connected to a conductive port of the fuse 701 .

[0041] The fuse 701 can adopt any existing structure of the fuse 701, and the mounting base 200 is provided with a connecting nut, and the fuse 701 is installed on the mounting base 200 by bolts. A fixing nut 900 is provided on the power-transmitting ...

[0042] Power supply is optional. In some implementations of this embodiment, the high-power fast charging module also includes a control circuit board 800, and the control circuit board 800 is electrically connected to the relay 300.

[0043] Please refer to Figure 1 As shown, in this embodiment, the control circuit board 800 is an existing PBC integrated circuit board, on which a control circuit and a detection circuit are integrated. The control circuit board 800 is electrically connected to the collector through a control harness, thereby controlling the working state of the regulating relay 300.

[0044] Please refer to Figure 1As shown, in some implementations of this embodiment, a card slot is provided on the mounting base 200, and the control circuit board 800 is fixed in the card slot. The control circuit board 800 is fixed to the mounting base 200 by screws to form a whole with the mounting base 200. By integrating the control circuit board 800 with the densely arranged first power bus 400, the wiring is reduced, the space utilization is improved, and the volume of the entire high-power fast charging module is reduced.

[0045] Optionally, in some implementations of this embodiment, a plurality of fixing holes 404 are provided on the first power strip 400 , and the first power strip 400 is detachably connected to the mounting base 200 by bolts.

[0046] Please refer to Figure 2 As shown, in this embodiment, the first power strip 400 is detachably connected to the mounting base 200 via a fixing nut 900, and the size and material of the first power strip 400 can be adjusted according to the actual charging power to fully adapt to the use requirements of higher power.

[0047] In summary, the utility model provides a high-power fast charging module, which includes: a heat dissipation shell 100, a mounting seat 200, a relay 300, and a plurality of first power strips 400. The relay 300 is mounted on the mounting seat 200, and the whole is mounted inside the heat dissipation shell 100. The first power strip 400 is electrically connected to the power outlet port of the relay 300, and one end of the first power strip 400 has a heat dissipation portion 401, and the surface of the heat dissipation portion 401 is bonded to the heat dissipation shell 100 through an insulating heat conductive layer 500. A plurality of power outlet ports are provided on the relay 300, and each power outlet port is respectively connected to a first power strip 400, and is respectively connected to the external fast charging port and the battery interface through the first power strip 400 to form a complete charging circuit. One end of the first power strip 400 has a heat dissipation portion 401, and the heat dissipation portion 401 is bonded to the heat dissipation shell 100 through an insulating heat conductive layer 500. The heat dissipation shell 100 forms a larger heat dissipation surface, which quickly transfers heat to the external environment to achieve internal heat dissipation. The heat dissipation part 401 and the heat dissipation housing 100 transfer heat by heat transfer, which has good thermal conductivity and high heat dissipation efficiency. It is only necessary to open the mounting hole of the mounting seat 200 on the heat dissipation housing 100 to optimize the installation space. Since the relay 300 is electrically connected to the external device through the first power bus 400, the shape of the power bus can be reasonably changed and reasonably arranged as needed to make the power bus compact, thereby reducing the volume of the high-power fast charging module. The power bus plays the role of both electrical conduction and thermal conduction, and works synergistically with the heat dissipation housing 100 to solve the problem of heat dissipation difficulties when the wires are densely arranged.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A high-power fast charging module, characterized in that: include: A heat dissipation shell (100), a mounting seat (200), a relay (300), and a plurality of first power strips (400), wherein the relay (300) is arranged on the mounting seat (200), the mounting seat (200), the relay (300), and the first power strips (400) are all arranged inside the heat dissipation shell (100), the first power strips (400) are electrically connected to the power strip port of the relay (300), and one end of the first power strip (400) has a heat dissipation portion (401), and the surface of the heat dissipation portion (401) is in contact with the inner wall of the heat dissipation shell (100).

2. The high-power fast charging module according to claim 1, characterized in that: The heat dissipation portion (401) is provided with an insulating heat-conducting layer (500), and the insulating heat-conducting layer (500) is bonded to the inner surface of the heat dissipation housing (100).

3. The high-power fast charging module according to claim 2, characterized in that: The first power strip (400) further comprises an extension portion (402) and a fixing portion (403); the fixing portion (403), the extension portion (402) and the heat dissipation portion (401) are sequentially connected to form a Z-shaped structure; the fixing portion (403) is detachably connected to the mounting seat (200); the extension portion (402) is attached to the outer side wall of the relay (300) and is connected to the power port of the relay (300).

4. The high-power fast charging module according to claim 1, characterized in that: A port power bus (600) is provided at one end of the first power bus (400) away from the heat dissipation portion (401), and the port power bus (600) is electrically connected to the first power bus (400).

5. The high-power fast charging module according to claim 1, characterized in that: The mounting seat (200) is provided with a power-on insurance component, the power-on insurance component is detachably connected to the mounting seat (200), and the power-on insurance component is connected in series with the relay (300).

6. The high-power fast charging module according to claim 5, characterized in that: The relay (300) and the power-on insurance component are respectively mounted on opposite sides of the mounting seat (200).

7. The high-power fast charging module according to claim 5, characterized in that: The mounting seat (200) is provided with a fixing groove (201), and the power-on insurance component is arranged in the fixing groove (201).

8. The high-power fast charging module according to claim 5, characterized in that: The power-on insurance component comprises a fuse (701) and a second power-off bus (702), wherein the second power-off bus (702) is connected to the power-off port of the fuse (701).

9. The high-power fast charging module according to claim 8, characterized in that: The mounting seat (200) is provided with a limiting groove (202), and the second power strip (702) is clamped in the limiting groove (202).

10. The high-power fast charging module according to claim 1, characterized in that: The high-power fast charging module also includes a control circuit board (800), and the control circuit board (800) is electrically connected to the relay (300).

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