Wireless charging system and vehicle with same

Abstract

The utility model relates to a wireless charging system and a vehicle with the same. The wireless charging system comprises a panel which is provided with a through hole; the charging mechanism is fixedly connected with the panel; and the heat dissipation mechanism comprises a heat dissipation plate and a supporting plate which are opposite to each other, the heat dissipation plate is located in the through hole, the supporting plate is located between the heat dissipation plate and the charging mechanism, and a cooling channel allowing cooling liquid to flow therein is defined between the heat dissipation plate and the supporting plate. The wireless charging system not only can cool the charging mechanism, but also can cool the to-be-charged device placed on the heat dissipation plate at the same time, so that the use efficiency of the heat dissipation mechanism is remarkably improved, and the reliability and safety of wireless charging are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless charging equipment technical field, concretely relates to wireless charging system and vehicle with it. BACKGROUND

[0002] Wireless charging system refers to the charging equipment that utilizes electromagnetic induction, magnetic field resonance, electric field coupling or radio wave principle to realize the wireless transmission of electric energy from the transmitting end to the receiving end. It has many advantages such as convenient, beautiful, safe and the like, and is widely applied in personal consumer electronics, smart home, medical equipment and industrial production and the like.

[0003] With the increasing demand of people for fast charging, the output power of wireless charging system is higher and higher, and its heat generation is also larger and larger. In order to ensure the reliability and safety of wireless charging system, the prior art has developed a wireless charging system with cooling device. When the temperature of wireless charging system is higher, the cooling device is controlled to run, and air or cooling liquid is used as medium to take away the heat of wireless charging system, so as to realize the purpose of cooling. However, the cooling device in the prior art of wireless charging system can only cool the wireless charging system itself, and cannot simultaneously cool the charging device (such as smart phone, tablet computer, smart watch and the like), resulting in low utilization rate of the cooling device.

[0004] Therefore, there is a need in the art for a new technical solution to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to solve or improve the technical problem of low utilization rate of cooling device in wireless charging system in the prior art to some extent, the utility model provides a kind of wireless charging system.The wireless charging system includes: panel, and the through hole is opened in the panel;Charging mechanism, the charging mechanism is connected with the panel fixedly;And heat dissipation mechanism, the heat dissipation mechanism includes the heat dissipation plate and support plate opposite to each other, the heat dissipation plate is located in the through hole, the support plate is located between the heat dissipation plate and the charging mechanism, and the cooling channel that allows cooling liquid to flow in it is enclosed between the heat dissipation plate and the support plate.

[0006] The skilled in the art can understand that the utility model wireless charging system includes panel, charging mechanism and heat dissipation mechanism. Among them, the panel can be used for placing the device to be charged (such as smart phone etc.), also can play a certain decoration and protection function. The through hole is opened in the panel, so as to expose the heat dissipation plate in the heat dissipation mechanism. The charging mechanism is fixedly connected with the panel, so as to carry out wireless charging for the device to be charged placed on the panel. The heat dissipation mechanism includes heat dissipation plate and support plate opposite to each other. Among them, the heat dissipation plate is arranged in the through hole of the panel, so as to be exposed, so that the device to be charged can be directly placed on the heat dissipation plate. The support plate is located between the heat dissipation plate and the charging mechanism, and the support plate and the heat dissipation plate together enclose the cooling channel allowing the cooling liquid to flow therein. Therefore, when the cooling liquid flows in the cooling channel, not only the charging mechanism close to it can be cooled, but also the device to be charged placed on the heat dissipation plate can be cooled at the same time, which significantly improves the use efficiency of the heat dissipation mechanism, improves the reliability and safety of wireless charging.

[0007] In the preferred technical scheme of the above wireless charging system, the inlet and outlet are spaced apart on the support plate, and a continuous serpentine groove is formed between the inlet and outlet, and the serpentine groove and the support plate together enclose the cooling channel. The arrangement of the inlet and outlet facilitates the transmission of the cooling liquid. In addition, the arrangement of the serpentine groove can increase the length of the cooling channel and improve the cooling effect and efficiency of the cooling liquid.

[0008] In the preferred technical scheme of the above wireless charging system, the support plate is further provided with a clamping groove spaced apart from the serpentine groove, and the heat dissipation plate is provided with a clamping rib insertable into the clamping groove. The arrangement of the clamping groove and the clamping rib can facilitate the clamping of the heat dissipation plate on the support plate and improve the disassembly efficiency.

[0009] In the preferred technical scheme of the above wireless charging system, the heat dissipation mechanism further includes a liquid storage tank for storing the cooling liquid, and the liquid storage tank is in communication with the outlet; and a liquid adding pump, the inlet end of the liquid adding pump is in communication with the liquid storage tank, and the outlet end of the liquid adding pump is in communication with the inlet through a liquid guide pipe. The arrangement of the liquid storage tank and the liquid adding pump can facilitate the circulation of the cooling liquid.

[0010] In the preferred technical scheme of the above wireless charging system, the liquid storage tank is provided with a liquid injection port. The arrangement of the liquid injection port can facilitate the liquid addition or replacement in the liquid storage tank.

[0011] In the preferred technical scheme of the wireless charging system, the heat dissipation mechanism further comprises a heat dissipation fin arranged on the liquid guide pipe between the liquid adding pump and the liquid inlet, and a heat dissipation fan arranged opposite to the heat dissipation fin. The heat dissipation fin and the heat dissipation fan can quickly reduce the temperature of the cooling liquid, thereby ensuring the cooling effect.

[0012] In the preferred technical scheme of the wireless charging system, the heat dissipation plate is made of ceramic, which not only ensures good heat conduction performance of the heat dissipation plate, but also plays a certain role in aesthetic decoration.

[0013] In the preferred technical scheme of the wireless charging system, an electric field shielding sheet is arranged on the side of the support plate away from the heat dissipation plate, and / or a temperature sensor is arranged in the heat dissipation plate. The electric field shielding sheet can shorten the wireless transmission distance between the charging mechanism and the device to be charged. The temperature sensor can quickly and accurately detect the temperature of the heat dissipation plate.

[0014] In the preferred technical scheme of the wireless charging system, the charging mechanism comprises a coil located on the side of the support plate away from the heat dissipation plate, a coil support connected with the coil, a control board electrically connected with the coil, and a mounting frame connected with the coil support to form an accommodation space for accommodating the control board, wherein the mounting frame is fixedly connected with the panel. The coil support can provide a suitable mounting space for the coil, thereby ensuring the stability of the coil. The coil support and the mounting frame are connected to form an accommodation space for accommodating the control board, thereby effectively protecting the control board. In addition, the mounting frame and the panel are fixedly connected, thereby stably fixing the charging mechanism on the panel.

[0015] In order to solve or improve the technical problem of low utilization rate of the cooling device in the wireless charging system in the prior art, the utility model also provides a vehicle. The vehicle comprises the wireless charging system of any one of the above. BRIEF DESCRIPTION OF DRAWINGS

[0016] The preferred embodiments of the utility model will be described below with reference to the drawings, in which:

[0017] Figure 1 is the front structure schematic diagram of the embodiment of the wireless charging system of the utility model;

[0018] Figure 2 is the back structure schematic diagram of the embodiment of the wireless charging system of the utility model;

[0019] Figure 3 is the explosion schematic diagram of the embodiment of the wireless charging system of the utility model;

[0020] Figure 4 is a structural schematic view of an embodiment of the heat dissipation plate in the wireless charging system of the utility model;

[0021] Figure 5 is a front structure schematic view of an embodiment of the support plate in the wireless charging system of the utility model;

[0022] Figure 6 is a back structure schematic view of an embodiment of the support plate in the wireless charging system of the utility model;

[0023] Figure 7 is a structural schematic view of an embodiment of the mounting frame, liquid storage tank, liquid adding pump, heat dissipation fin and liquid guide pipe in the wireless charging system of the utility model.

[0024] List of reference signs:

[0025] 1, wireless charging system; 10, panel; 11, through hole; 20, charging mechanism; 21, coil; 22, coil support; 23, control board; 24, mounting frame; 30, heat dissipation mechanism; 31, heat dissipation plate; 311, heat dissipation plate body; 312, clamping rib; 3121, first clamping rib; 3122, second clamping rib; 32, support plate; 321, support plate body; 322, liquid inlet; 323, liquid outlet; 324, serpentine groove; 325, clamping groove; 3251, first clamping groove; 3252, second clamping groove; 33, cooling channel; 34, liquid storage tank; 341, liquid injection port; 35, liquid adding pump; 36, heat dissipation fin; 37, heat dissipation fan; 38, liquid guide pipe; 40, electric field shielding sheet. DETAILED DESCRIPTION

[0026] The preferred embodiments of the utility model are described below with reference to the drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the utility model, and are not intended to limit the protection scope of the utility model.

[0027] It should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "front", "back", "inner", "outer" and the like indicate the direction or positional relationship terms based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] To address or improve to some extent the technical problem of low utilization rate of cooling devices in existing wireless charging systems, this utility model provides a wireless charging system 1. The wireless charging system 1 includes: a panel 10 with a through hole 11; a charging mechanism 20 fixedly connected to the panel 10; and a heat dissipation mechanism 30, which includes a heat dissipation plate 31 and a support plate 32 facing each other. The heat dissipation plate 31 is located within the through hole 11, and the support plate 32 is located between the heat dissipation plate 31 and the charging mechanism 20, forming a cooling channel 33 between the heat dissipation plate 31 and the support plate 32, allowing coolant to flow therethrough.

[0030] Figure 1 This is a front structural diagram of an embodiment of the wireless charging system of this utility model; Figure 2 This is a schematic diagram of the rear structure of an embodiment of the wireless charging system of this utility model; Figure 3 This is an exploded view of an embodiment of the wireless charging system of this utility model. Figures 1-3 As shown, in one or more embodiments, the wireless charging system 1 of this utility model includes components such as a panel 10, a charging mechanism 20, and a heat dissipation mechanism 30. The charging mechanism 20 and the heat dissipation mechanism 30 are fixed on the panel 10, giving the entire wireless charging system 1 a compact structure.

[0031] like Figures 1-3 As shown, in one or more embodiments, panel 10 has a generally square shape. Alternatively, panel 10 may also be rectangular, circular, or other suitable shapes. Panel 10 can stably support the device to be charged (e.g., smartphone, tablet, etc.). The material of panel 10 is not limited, and may include, for example, ABS, PC, glass, aluminum alloy, etc. Through holes 11 are provided on panel 10 to allow the heat sink 31 in heat dissipation mechanism 30 to be exposed and thus in direct contact with the device to be charged. The shape of through holes 11 is not limited, and may include, for example, a rectangle with rounded corners, a circle, etc. It should be noted that the size and arrangement of through holes 11 can be adjusted according to actual needs.

[0032] like Figure 3As shown in the figure, in one or more embodiments, the charging mechanism 20 includes a coil 21, a coil 21 holder, a control board 23, a mounting frame 24, and the like. Among them, the coil 21 is located on the side of the support plate 32 of the heat dissipation mechanism 30 away from the heat dissipation plate 31. Based on the position shown in the figure, the coil 21 is arranged on the inner side of the support plate 32. The coil 21 is used to wirelessly charge the device to be charged by electromagnetic induction, magnetic field resonance, electric field coupling, or radio waves. The coil 21 can be made of copper, aluminum or other suitable materials, and is suitable for having good electrical conductivity. The coil 21 holder is connected to the coil 21 to stably fix the coil 21. The material of the coil 21 holder can be ABS, aluminum alloy, etc. The control board 23 is electrically connected with the coil 21 to control the coil 21. The mounting frame 24 is fixedly connected with the coil 21 holder, and the two together enclose a containing space for containing the control board 23. The material of the mounting frame 24 can be ABS, aluminum alloy, etc. The fixing mode between the mounting frame 24 and the coil 21 holder can be screwing, clamping, etc. Further, the mounting frame 24 is fixedly connected with the panel 10, so that the entire charging mechanism 20 is connected with the panel 10. The fixing mode between the mounting frame 24 and the panel 10 can be screwing, clamping, etc.

[0033] As shown in the figure, Figure 3 The heat dissipation mechanism 30 includes a heat dissipation plate 31 and a support plate 32 opposite to each other. Among them, the heat dissipation plate 31 is positioned in the through hole 11 of the panel 10, so that in the assembled state, the heat dissipation plate 31 can be exposed to the outside. The support plate 32 is located between the heat dissipation plate 31 and the charging mechanism 20. Based on the position shown in the figure, Figure 3 The support plate 32 is located on the inner side of the heat dissipation plate 31 and on the outer side of the coil 21 of the charging mechanism 20. The heat dissipation plate 31 and the support plate 32 together enclose a cooling channel 33 (see Figure 5 ) allowing the cooling liquid to flow therein. Therefore, when the cooling liquid flows in the cooling channel 33, not only the charging mechanism 20 (especially the coil 21) can be cooled, but also the device to be charged placed on the heat dissipation plate 31 can be cooled at the same time, significantly improving the use efficiency of the heat dissipation mechanism 30, and improving the reliability and safety of wireless charging.

[0034] Figure 4 is a structural schematic view of an embodiment of the heat dissipation plate 31 in the wireless charging system 1 of the utility model. As shown in the figure, Figure 4As shown, in one or more embodiments, the heat sink 31 has a generally rectangular heat sink body 311 with rounded corners. Alternatively, the heat sink body 311 can also be circular or other suitable shapes. The heat sink body 311 can be made of ceramic to give it good thermal conductivity and also serve a certain decorative and protective function. In one or more embodiments, a temperature sensor (not shown) is built into the heat sink body 311 to facilitate and accurately detect the temperature of the heat sink 31. In one or more embodiments, a snap-fit ​​rib 312 is provided on the inner side of the heat sink body 311 (i.e., the side facing the support plate 32) to form a snap-fit ​​engagement with the corresponding snap-fit ​​groove 325 on the support plate 32, so that the heat sink 31 can be easily and stably fixedly connected to the support plate 32. In one or more embodiments, the snap-fit ​​rib 312 includes a generally rectangular first snap-fit ​​rib 3121 extending along the edge of the heat sink body 311. The first snap-fit ​​rib 3121 can be inserted into the corresponding generally rectangular first snap-fit ​​groove 3251 on the support plate 32. In one or more embodiments, the snap-fit ​​rib 312 further includes five second snap-fit ​​ribs 3122 arranged parallel to each other and staggered within the first snap-fit ​​rib 3121. Based on Figure 4 As shown, each second snap-fit ​​rib 3122 has a generally elongated shape extending vertically. Each second snap-fit ​​rib 3122 can be inserted into a corresponding second snap-fit ​​groove 3252 on the support plate 32. The arrangement of the first snap-fit ​​rib 3121 and the second snap-fit ​​rib 3122 allows the heat sink 31 to be more stably and securely snapped onto the support plate 32. It should be noted that the shape, number, and arrangement of the snap-fit ​​ribs 312 can also be adjusted according to actual needs.

[0035] Figure 5 This is a front structural diagram of an embodiment of the support plate in the wireless charging system of this utility model. Figure 5 As shown, in one or more embodiments, the support plate 32 has a generally rectangular support plate body 321 with rounded corners. Alternatively, the support plate body 321 may also be circular or other suitable shapes. The support plate body 321 is provided with liquid inlets 322 and liquid outlets 323 spaced apart from each other. Based on... Figure 5The liquid inlet 322 is located at the lower right of the support plate body 321, and the liquid outlet 323 is located at the lower left of the support plate body 321. Alternatively, the positions of the liquid inlet 322 and the liquid outlet 323 can also be adjusted according to actual conditions. A serpentine groove 324 is arranged between the liquid inlet 322 and the liquid outlet 323. In the assembled state, the serpentine groove 324 and the heat dissipation plate body 311 together enclose a cooling channel 33. The arrangement of the serpentine groove 324 can increase the length of the cooling channel 33, improve the heat dissipation efficiency and heat dissipation effect of the cooling liquid. In one or more embodiments, a clamping groove 325 spaced apart from the serpentine groove 324 is further arranged on the support plate body 321, so as to allow the corresponding clamping rib 312 on the heat dissipation plate 31 to be inserted thereinto. In one or more embodiments, the clamping groove 325 includes a first clamping groove 3251 which is substantially rectangular and extends along the edge of the support plate body 321. The first clamping groove 3251 is arranged around the serpentine groove 324. The first clamping groove 3251 can allow the corresponding first clamping rib 3121 on the support plate 32 to be inserted thereinto. In one or more embodiments, the clamping groove 325 further includes five second clamping grooves 3252 which are parallel to each other and staggered with each other. Based on the Figure 5 In the shown position, each second clamping groove 3252 extends substantially in the up-down direction. Each second clamping groove 3252 can allow the corresponding second clamping rib 3122 on the support plate 32 to be inserted thereinto. It should be pointed out that the shape, number and arrangement position of the clamping groove 325 can also be adjusted according to actual needs, as long as the clamping groove 325 can form a clamping fit with the clamping rib 312.

[0036] Figure 6 is a back structure schematic view of an embodiment of the support plate 32 in the wireless charging system 1 of the utility model. As Figure 6 shown, in one or more embodiments, an electric field shielding sheet 40 is arranged on the side of the support plate body 321 away from the heat dissipation plate 31. Based on the Figure 3 shown position, the electric field shielding sheet 40 is arranged on the inner side of the support plate 32. The arrangement of the electric field shielding sheet 40 can shorten the wireless transmission distance between the charging mechanism 20 and the device to be charged, and improve the charging efficiency.

[0037] Figure 7 is a structure schematic view of an embodiment of the mounting frame, liquid storage tank, liquid adding pump, heat dissipation fin and liquid guide pipe in the wireless charging system of the utility model. As Figure 2 and Figure 7As shown, in one or more embodiments, the heat dissipation mechanism 30 further includes a liquid storage tank 34 and a liquid filling pump 35. The liquid storage tank 34 can be fixed to the mounting frame 24 of the charging mechanism 20. Specifically, the liquid storage tank 34 is arranged on the side of the mounting frame 24 away from the control panel 23. Alternatively, the liquid storage tank 34 can also be fixed in other suitable locations. The liquid storage tank 34 is used to store coolant. The coolant can be, but is not limited to, water, ethylene glycol, glycerin, etc. In one or more embodiments, a liquid filling port 341 is provided on the liquid storage tank 34 to add or replace coolant into the liquid storage tank 34. One end of the liquid storage tank 34 is connected to the liquid outlet 323 on the support plate 32, and the other end is connected to the liquid filling pump 35. Specifically, the liquid filling pump 35 has opposing inlet and outlet ends (not shown in the figure). The inlet of the liquid filling pump 35 is connected to the liquid storage tank 34, and the outlet of the liquid filling pump 35 is connected to the inlet 322 on the support plate 32 via the liquid guide pipe 38. Therefore, by controlling the opening and closing of the liquid filling pump 35 and its output power, the flow rate and velocity of the coolant in the cooling channel 33 can be easily adjusted. The liquid guide pipe 38 can be made of copper, aluminum, or other suitable materials to ensure good thermal conductivity.

[0038] See also Figure 3 and Figure 7 In one or more embodiments, the heat dissipation mechanism 30 further includes a heat sink 36 and a cooling fan 37. The heat sink 36 is arranged on the liquid guide tube 38. Figure 7 As shown in the diagram, in one or more embodiments, 11 parallel heat sinks 36 are arranged at intervals on the coolant conduit 38 to absorb heat from the coolant conduit 38 and quickly transfer it to the air, thereby reducing the temperature of the coolant inside the coolant conduit 38. The heat sinks 36 can be made of copper, aluminum, or other suitable materials. It should be noted that the number and arrangement of the heat sinks 36 can be adjusted according to actual needs. In one or more embodiments, a cooling fan 37 is fixed to the mounting frame 24 of the charging mechanism 20. Specifically, the cooling fan 37 is fixed to the side of the mounting frame 24 away from the control board 23. The fixing method between the cooling fan 37 and the mounting frame 24 is not limited, such as screw connection, snap-fit ​​connection, etc. In the assembled state, the cooling fan 37 faces the heat sinks 36 to quickly reduce the temperature of the heat sinks 36 by generating airflow. The type of cooling fan 37 is not limited, for example, it can be an axial fan, etc.

[0039] In one or more embodiments, the present invention also provides a vehicle (not shown in the figures). The vehicle includes the wireless charging system 1 described in any of the above embodiments.

[0040] The technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but the person skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. The person skilled in the art can make equivalent changes or replacements to the related technical features without deviating from the principles of the utility model, and the technical schemes after the changes or replacements will all fall within the protection scope of the utility model.

Claims

1. A wireless charging system (1), characterized by, The wireless charging system (1) comprises: a panel (10) having a through hole (11) formed therein; a charging mechanism (20) fixedly connected with the panel (10); and a heat dissipation mechanism (30) comprising a heat dissipation plate (31) and a support plate (32) opposite to each other, the heat dissipation plate (31) being located in the through hole (11), the support plate (32) being located between the heat dissipation plate (31) and the charging mechanism (20), and a cooling channel (33) allowing a cooling liquid to flow therein being formed between the heat dissipation plate (31) and the support plate (32).

2. The wireless charging system (1) according to claim 1, characterized in that, An inlet (322) and an outlet (323) are formed on the support plate (32) and spaced apart from each other, a continuous serpentine groove (324) is formed between the inlet (322) and the outlet (323), and the serpentine groove (324) together with the support plate (32) forms the cooling channel (33).

3. The wireless charging system (1) according to claim 2, characterized in that, A clamping groove (325) is further formed on the support plate (32) and spaced apart from the serpentine groove (324), and a clamping rib (312) is arranged on the heat dissipation plate (31) and insertable into the clamping groove (325).

4. The wireless charging system (1) according to claim 2, characterized in that, The heat dissipation mechanism (30) further comprises: a liquid storage tank (34) for storing the cooling liquid, the liquid storage tank (34) being in communication with the outlet (323); and a liquid feeding pump (35) having an inlet in communication with the liquid storage tank (34) and an outlet in communication with the inlet (322) through a liquid guide pipe (38).

5. The wireless charging system (1) according to claim 4, characterized in that, An injection port (341) is formed on the liquid storage tank (34).

6. The wireless charging system (1) according to claim 4, characterized in that, The heat dissipation mechanism (30) further comprises: a heat dissipation fin (36) arranged on the liquid guide pipe (38); and a heat dissipation fan (37) arranged opposite to the heat dissipation fin (36).

7. The wireless charging system (1) according to claim 1, characterized by The heat dissipation plate (31) is made of ceramic.

8. The wireless charging system (1) according to claim 1, wherein an electric field shielding sheet (40) is arranged on a side of the support plate (32) away from the heat dissipation plate (31); and / or a temperature sensor is arranged in the heat dissipation plate (31).

9. The wireless charging system (1) according to claim 1, characterized by The charging mechanism (20) comprises: a coil (21) located on a side of the support plate (32) away from the heat dissipation plate (31); a coil (21) support connected with the coil (21); a control board (23) electrically connected with the coil (21); and a mounting frame (24) connected with the coil (21) support to form an accommodation space for accommodating the control board (23), wherein the mounting frame (24) is fixedly connected with the panel (10).

10. A vehicle characterized by comprising: The vehicle comprises the wireless charging system (1) according to any one of claims 1-9.

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