Infiltration type liquid cooling charging module

Abstract

The utility model relates to an infiltration type liquid cooling charging module, which comprises a box body, a cavity groove is arranged in the box body, a heating assembly is arranged in the cavity groove, a liquid inlet and a liquid outlet are arranged on the side wall of the box body, cooling liquid flows into the cavity groove from the liquid inlet to cool the heating assembly, and then flows out from the liquid outlet. Therefore, the heat dissipation efficiency is further improved, the problems of low efficiency, short service life and unbalanced heat dissipation in an air cooling heat dissipation mode can be solved, and the effects of high protection grade, high efficiency, high power density and long service life are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cold liquid charging, in particular to an immersion type liquid cooling charging module. Background Art

[0002] The charging module, also known as the power module, has extremely high technical requirements for the topological structure of the electronic circuit, determines the performance and efficiency of the charging pile, and is a core product with a high technical threshold in the charging pile industry. Because the product has a deep technical barrier, its core technology is currently only in the hands of a few industry companies, with weak substitutability and a relatively good business environment.

[0003] Traditional air-cooling thermal management technologies all use air circulation to remove heat from the internal surface of the module, thereby controlling the temperature of the charging module; however, the air-cooling module has low heat dissipation efficiency and an open layout, and the temperature difference between charging modules in different positions is also large, which will greatly reduce the life and safety of the charging module. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide an immersion liquid-cooled charging module, which has the advantage of improving heat dissipation efficiency, solving the problems of low efficiency, short life and uneven heat dissipation under air cooling, and achieving high protection level, high efficiency, high power density and long life.

[0005] The above utility model object of the utility model is achieved through the following technical solutions:

[0006] An immersion liquid-cooled charging module includes a box body, a cavity is provided in the box body, a heat generating component is arranged in the cavity, a liquid inlet and a liquid outlet are provided on the side wall of the box body, and the coolant flows into the cavity from the liquid inlet to cool the heat generating component and then flows out from the liquid outlet.

[0007] As a further technical solution of the utility model: the box body includes a bottom plate and a first side wall, a second side wall, a third side wall, and a fourth side wall vertically fixedly connected to the bottom plate, the liquid inlet is arranged on the first side wall, the liquid outlet is arranged on the second side wall, and the first side wall and the second side wall are arranged opposite to each other;

[0008] A liquid inlet pipe is detachably fixed to the liquid inlet, and a liquid outlet pipe is detachably fixed to the liquid outlet.

[0009] As a further technical solution of the utility model: in the cavity, a liquid inlet buffer shell is installed on the inner wall of the first side wall, a liquid inlet buffer cavity is opened in the liquid inlet buffer shell, the liquid inlet buffer cavity is connected with the liquid inlet pipe, and a plurality of liquid inlet waist-shaped holes are opened on a side of the liquid inlet buffer shell away from the first side wall;

[0010] A liquid outlet buffer shell is installed on the inner wall of the second side wall, a liquid outlet buffer cavity is opened in the liquid outlet buffer shell, the liquid outlet buffer cavity is connected with the liquid outlet pipe, and a plurality of liquid outlet waist-shaped holes are opened on a side of the liquid outlet buffer shell away from the second side wall.

[0011] As a further technical solution of the utility model: the liquid inlet waist-shaped hole and the liquid inlet are staggered; the liquid outlet waist-shaped hole and the liquid outlet are staggered.

[0012] As a further technical solution of the utility model: a baffle is arranged inside the buffer shell, and the baffle is used to block the impact of the coolant.

[0013] As a further technical solution of the utility model: the liquid inlet pipe is detachably fixedly connected with a liquid inlet quick plug connector, the liquid outlet pipe is detachably fixedly connected with a liquid outlet quick plug connector, and the liquid inlet quick plug connector and the liquid outlet quick plug connector are both arranged in an "L" shape.

[0014] As a further technical solution of the utility model: a cylindrical mounting block is provided at a right angle of the liquid inlet quick-plug connector, and the cylindrical mounting block is provided with a mounting through hole.

[0015] As a further technical solution of the utility model: the liquid inlet pipe and the liquid inlet quick plug connector are threadedly connected; the liquid outlet pipe and the liquid outlet quick plug connector are threadedly connected.

[0016] As a further technical solution of the utility model: a box cover can be detachably fixed on one side of the opening of the box body, and a sealing gasket is provided between the upper edges of the second side wall, the third side wall and the fourth side wall of the box body and the box cover;

[0017] The height of the heating component is smaller than the height of the box.

[0018] As a further technical solution of the utility model: an AC input port and a DC output port are installed on the first side wall.

[0019] In summary, the present invention includes at least one of the following beneficial technical effects:

[0020] 1. The coolant flows into the cavity from the liquid inlet to cool the heating component, and then flows out from the liquid outlet to ensure uniform heat dissipation of the heating component, thereby further improving the heat dissipation efficiency. It can solve the problems of low efficiency, short life and uneven heat dissipation under air cooling, and achieve high protection level, high efficiency, high power density and long life.

[0021] 2. By arranging a liquid inlet buffer shell on the inner wall of the liquid inlet of the box body or staggering the liquid inlet waist-shaped hole and the liquid inlet, the impact force of the coolant is slowly released, and the coolant with a slowed flow rate slowly flows into the cavity, reducing the impact of the coolant on the heating element when the coolant is injected into the cavity, cooling the heating component while ensuring the normal function and service life of the heating component.

[0022] 3. The heat dissipation effect of the liquid cooling module is better than that of the traditional air cooling. The temperature rise inside the module is low, and the device operation efficiency is higher than that of the air cooling module. The equipment cost (TCO) of the charging equipment using the liquid cooling charging module during the entire operation cycle of the charging station is much lower than that of the traditional air cooling charging equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a top view of the utility model (the box cover is omitted);

[0024] Figure 2 A schematic diagram showing the structure of the liquid inlet buffer housing of the utility model;

[0025] Figure 3 The utility model is a schematic diagram showing the structure of the liquid buffer housing;

[0026] Figure 4 For the utility model Figure 1 A partial enlarged schematic diagram of part A;

[0027] Figure 5 It is a cross-sectional view of the liquid inlet buffer housing of the third embodiment of the utility model;

[0028] Figure 6 A cross-sectional view of a liquid outlet buffer housing according to a fourth embodiment of the present utility model;

[0029] Figure 7 For the utility model Figure 5 A partial enlarged schematic diagram of part B;

[0030] Figure 8 For the utility model Figure 6 A partial enlarged schematic diagram of part C.

[0031] Figure numerals: 1, box body; 11, first side wall; 12, second side wall; 13, third side wall; 14, fourth side wall; 15, bottom plate; 16, box cover; 17, sealing gasket; 18, cavity; 2, heating component; 21, circuit board; 22, capacitor group; 23, resonant inductor; 24, inductor; 25, relay; 26, common mode filter inductor; 27, safety capacitor; 28, varistor; 3, liquid inlet; 4, liquid inlet pipe; 41, liquid inlet fastener Plug connector; 411, cylindrical mounting block; 412, mounting through hole; 413, first fixing plate; 414, second fixing plate; 5, liquid outlet; 6, liquid outlet pipe; 61, liquid outlet quick plug connector; 7, liquid inlet buffer shell; 71, liquid inlet buffer cavity; 72, liquid inlet waist-shaped hole; 73, baffle; 731, first baffle; 732, second baffle; 8, liquid outlet buffer shell; 82, liquid outlet waist-shaped hole; 9, AC input port; 10, DC output port. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0033] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships 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 position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0034] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 this application can be understood according to specific circumstances.

[0035] Embodiment 1:

[0036] like Figure 1 and Figure 5The utility model relates to an immersion liquid cooling charging module, comprising a box body 1, a cavity 18 is provided in the box body 1, a heating component 2 is arranged in the cavity 18, a liquid inlet 3 and a liquid outlet 5 are provided on the side wall of the box body 11, a liquid inlet pipe 4 is detachably fixed on the liquid inlet 3, and a liquid outlet pipe 6 is detachably fixed on the liquid outlet 5, the coolant flows into the cavity 18 from the liquid inlet 3 to cool the heating component 2, and then flows out from the liquid outlet 5, the box body 11 comprises a bottom plate 15 and a first side wall 11, a second side wall 12, a third side wall 13, and a fourth side wall 14 which are vertically fixedly connected to the bottom plate 15 around, the liquid inlet 3 is arranged on the first side wall 11, the liquid outlet 5 is arranged on the second side wall 12, and the first side wall 11 and the second side wall 12 are arranged opposite to each other.

[0037] The heating component 2 includes a circuit board 21, on which a capacitor group 22, a resonant inductor 23, an inductor 24, a relay 25, a common-mode filter inductor 26, a safety capacitor 27 and a varistor 28 are installed.

[0038] The coolant flows into the cavity 18 from the liquid inlet 3 to cool the heating component 2, and then flows out from the liquid outlet 5 to ensure uniform heat dissipation of the heating component 2, thereby further improving the heat dissipation efficiency, and can solve the problems of low efficiency, short life, and uneven heat dissipation under air cooling, and achieve high protection level, high efficiency, high power density, and long life.

[0039] like Figure 5 and Figure 6 A box cover 16 is detachably fixed on one side of the opening of the box body 1, and a sealing gasket 17 is provided between the upper edges of the second side wall 12, the third side wall 13 and the fourth side wall 14 of the box body 11 and the box cover 16; the height of the heating component 2 is smaller than the height of the box body 1. Due to the sealing effect of the sealing gasket 17, when in use, the box cover 16 is tightly covered on the box body 1, and when the coolant flows into the box body 1 from the liquid inlet 3, it is ensured that the coolant can cool all the heating components 2, while preventing the coolant from leaking out of the box body 1.

[0040] The AC input port 9 and the DC output port 10 of the utility model are arranged on the first side wall 11 of the box body 1 .

[0041] Embodiment 2:

[0042] Liquid-cooled charging module is the development direction of charging module. Liquid-cooled module adopts fully enclosed design, without fan, and dissipates heat through the flow of coolant in the liquid cooling plate. The internal components have no contact with the external environment, and have high reliability and a service life of more than 10 years. However, after the high-speed flowing cold liquid is injected into the charging module, it will have an impact on the heating components 2 such as the safety capacitor 27, the inductor 24, and the capacitor group 22, damaging their structure and causing the heating components 2 to not function normally.

[0043] In order to solve the above problems, the utility model makes further improvements. The utility model also discloses an immersion liquid cooling charging module, such as Figure 2 A liquid inlet buffer shell 7 is installed on the inner wall of the first side wall 11, and a liquid inlet buffer cavity 71 is provided in the liquid inlet buffer shell 7. The liquid inlet buffer cavity 71 is connected to the liquid inlet pipe 4. A plurality of liquid inlet waist-shaped holes 72 are provided on a side of the liquid inlet buffer shell 7 away from the first side wall 11. The liquid inlet waist-shaped holes 72 are staggered with the liquid inlet port 3; Figure 3 In the cavity 18, a liquid outlet buffer shell 8 is installed on the inner wall of the second side wall 12, and a liquid outlet buffer cavity is provided in the liquid outlet buffer shell 8, and the liquid outlet buffer cavity is connected to the liquid outlet pipe 6. A plurality of liquid outlet waist-shaped holes 82 are provided on a side of the liquid outlet buffer shell 8 away from the second side wall 12, and the liquid outlet waist-shaped holes 82 are staggered with the liquid outlet 5. In this embodiment, preferably, six liquid inlet waist-shaped holes 72 are provided, which are evenly arranged on the side of the liquid inlet buffer shell 7 away from the first side wall 11; eight liquid outlet waist-shaped holes 82 are provided, which are evenly distributed on the side of the liquid outlet buffer shell 8 away from the second side wall 12.

[0044] By staggering the liquid inlet waist-shaped hole 72 and the liquid inlet port 3, and staggering the liquid outlet waist-shaped hole 82 and the liquid outlet port 5, after the coolant flows into the liquid inlet buffer shell 7 from the liquid inlet port 3, it directly rushes to the side wall of the liquid inlet buffer cavity 71, so that the impact force of the coolant is slowly released by the liquid inlet buffer cavity 71, and the coolant with a slowed flow rate slowly flows into the cavity 18 to cool the heating component 2 while ensuring the normal function and service life of the heating component 2.

[0045] The liquid inlet pipe 4 is threadedly connected to the liquid inlet quick connector 41, and the liquid outlet pipe 6 is threadedly connected to the liquid outlet quick connector 61. The liquid inlet quick connector 41 and the liquid outlet quick connector 61 are both arranged in an "L" shape, which ensures the firmness of the connection between the liquid inlet pipe 4 and the liquid inlet quick connector 41, and also allows the use of simple tools (such as wrenches) for quick installation and removal. When the pipeline system needs to be cleaned, repaired or replaced with parts, the liquid inlet quick connector 41 can be easily disconnected, reducing the impact on the entire system. At the same time, the threaded connection method ensures a tight connection between the liquid inlet quick connector 41 and the liquid inlet pipe 4, reducing the risk of leakage caused by vibration or pressure changes.

[0046] like Figure 4 A cylindrical mounting block 411 is provided at a right angle to the liquid inlet quick-plug connector 41, and the cylindrical mounting block 411 is provided with a mounting through hole 412. The cylindrical mounting block 411 and the mounting through hole 412 thereon provide an additional fixing point for maintenance personnel, which is convenient for stably fixing and operating the connector during maintenance.

[0047] like Figure 4Preferably, the side of the cylindrical mounting block 411 is provided with a first fixing plate 413 and a second fixing plate 414, respectively. The first fixing plate 413 and the second fixing plate 414 are perpendicular to each other and tangent to the same outer wall of the cylindrical mounting block 411. The first fixing plate 413 is embedded in a side close to the liquid inlet pipe 4 and is perpendicular thereto, and the second fixing plate 414 is embedded in a side away from the liquid inlet pipe 4 and is perpendicular thereto. The first fixing plate 413 and the second fixing plate 414 are designed to fit the cylindrical mounting block 411, so that the entire liquid outlet quick plug connector 61 is more structurally stable, reducing looseness or deformation caused by long-term use, enhancing the structural strength of the liquid inlet quick plug connector 41, making it more stable when subjected to pressure, and reducing the risk of damage caused by external forces, so that the cylindrical mounting block 411 not only provides an additional mounting point, but also enhances the overall strength of the liquid inlet quick plug connector 41 through its structure, making it more durable.

[0048] At the same time, the design of the first fixing plate 413 and the second fixing plate 414 enables the liquid outlet quick-plug connector 61 to be accurately aligned during connection, reducing installation errors and ensuring the normal operation of the piping system. The right-angle design also makes it easier to align the liquid inlet quick-plug connector 41 during connection, further improving the accuracy of installation.

[0049] In summary, the technical solution has shown remarkable technical effects in terms of quick installation and disassembly, easy maintenance, strong stability, solid structure, accurate positioning, and strong applicability through the design of the liquid inlet quick plug connector 41.

[0050] The specific structure of the liquid outlet quick-plug connector 61 is the same as that of the liquid inlet quick-plug connector 41 .

[0051] Embodiment three:

[0052] The utility model also discloses an immersion liquid cooling charging module, such as Figure 7 , which is different from the second embodiment in that one end of the first baffle 731 is connected to the top wall of the liquid inlet buffer shell 7, and the other end has a gap with the bottom wall, but the first baffle 731 is lower than the height of the liquid inlet waist-shaped hole 72. After the coolant flows into the liquid inlet buffer shell 7 from the liquid inlet port 3, it directly rushes onto the first baffle 731, so that the impact force of the coolant is slowly released by the first baffle 731, and the coolant with a slowed flow rate flows into the cavity 18 from the gap between the first baffle 731 and the bottom wall of the liquid inlet buffer shell 7, cooling the heating component 2 while ensuring the normal function and service life of the heating component 2.

[0053] Embodiment 4:

[0054] The utility model also discloses an immersion liquid cooling charging module, such as Figure 8, which is different from the second embodiment in that one end of the second baffle 732 is connected to the bottom wall of the liquid inlet buffer housing 7, and the other end has a gap with the top wall, but the second baffle 732 is higher than the height of the liquid inlet waist-shaped hole 72. After the coolant flows into the liquid inlet buffer housing 7 from the liquid inlet port 3, it directly rushes onto the second baffle 732, so that the impact force of the coolant is slowly released by the second baffle 732, and the coolant with a slowed flow rate flows into the cavity 18 from the gap between the second baffle 732 and the top wall of the liquid inlet buffer housing 7, cooling the heating component 2 while ensuring the normal function and service life of the heating component 2.

[0055] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An immersion liquid-cooled charging module, comprising a box (1), wherein a cavity (18) is provided in the box (1), and a heating component (2) is disposed in the cavity (18), characterized in that: A liquid inlet (3) and a liquid outlet (5) are provided on the side wall of the box body (1); the cooling liquid flows into the cavity (18) from the liquid inlet (3) to cool the heating component (2) and then flows out from the liquid outlet (5).

2. The immersion liquid-cooled charging module according to claim 1, characterized in that: The box body (1) comprises a bottom plate (15) and a first side wall (11), a second side wall (12), a third side wall (13), and a fourth side wall (14) vertically fixedly connected to the bottom plate (15) on four sides; the liquid inlet (3) is arranged on the first side wall (11); the liquid outlet (5) is arranged on the second side wall (12); and the first side wall (11) and the second side wall (12) are arranged facing each other; A liquid inlet pipe (4) is detachably fixed to the liquid inlet (3), and a liquid outlet pipe (6) is detachably fixed to the liquid outlet (5).

3. The immersion liquid cooling charging module according to claim 2, characterized in that: In the cavity (18), a liquid inlet buffer shell (7) is installed on the inner wall of the first side wall (11), a liquid inlet buffer cavity (71) is provided in the liquid inlet buffer shell (7), the liquid inlet buffer cavity (71) is communicated with the liquid inlet pipe (4), and a plurality of liquid inlet waist-shaped holes (72) are provided on a side of the liquid inlet buffer shell (7) away from the first side wall (11); A liquid outlet buffer shell (8) is installed on the inner wall of the second side wall (12), a liquid outlet buffer cavity is provided in the liquid outlet buffer shell (8), the liquid outlet buffer cavity is connected to the liquid outlet pipe (6), and a plurality of liquid outlet waist-shaped holes (82) are provided on a side of the liquid outlet buffer shell (8) away from the second side wall (12).

4. The immersion liquid-cooled charging module according to claim 3, characterized in that: The liquid inlet waist-shaped hole (72) and the liquid inlet port (3) are arranged in a staggered manner; and the liquid outlet waist-shaped hole (82) and the liquid outlet port (5) are arranged in a staggered manner.

5. The immersion liquid-cooled charging module according to claim 3, characterized in that: A baffle (73) is arranged inside the buffer shell, and the baffle (73) is used to prevent the impact of the cooling liquid on the heating component (2).

6. The immersion liquid-cooled charging module according to claim 2, characterized in that: The liquid inlet pipe (4) is detachably fixedly connected with a liquid inlet quick plug connector (41), and the liquid outlet pipe (6) is detachably fixedly connected with a liquid outlet quick plug connector (61), and both the liquid inlet quick plug connector (41) and the liquid outlet quick plug connector (61) are arranged in an "L" shape.

7. The immersion liquid-cooled charging module according to claim 6, characterized in that: A cylindrical mounting block (411) is provided at a right angle to the liquid inlet quick plug connector (41), and a mounting through hole (412) is provided on the cylindrical mounting block (411).

8. The immersion liquid-cooled charging module according to claim 6, characterized in that: The liquid inlet pipe (4) and the liquid inlet quick plug connector (41) are threadedly connected; the liquid outlet pipe (6) and the liquid outlet quick plug connector (61) are threadedly connected.

9. The immersion liquid-cooled charging module according to claim 2, characterized in that: A box cover (16) is detachably fixed on one side of the opening of the box body (1), and a sealing gasket (17) is provided between the upper edges of the second side wall (12), the third side wall (13) and the fourth side wall (14) of the box body (1) and the box cover (16); The height of the heating component (2) is smaller than the height of the box (1).

10. The immersion liquid-cooled charging module according to claim 2, characterized in that: The first side wall (11) is provided with an AC input port (9) and a DC output port (10).

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