Charging device

Abstract

The utility model belongs to the technical field of vehicle-mounted wireless charging, and discloses a charging device, which comprises a base assembly, a charging assembly and a TEC module, an isolation plate is arranged in the base assembly, two sides of the isolation plate are respectively provided with a first cavity and a second cavity, the first cavity is provided with a heat conduction piece, the second cavity is provided with a heat absorption piece, and the heat absorption piece is provided with a heat dissipation piece. A cold air outlet is formed in the wall body of the second cavity and is used for guiding cold air in the second cavity to the to-be-charged equipment; the charging assembly is arranged in the first cavity and is used for charging to-be-charged equipment; the TEC module comprises a cold end and a hot end, the cold end is connected with the heat absorption piece, and the hot end is connected with the heat conduction piece. The charging device transfers heat in the second cavity, so that the cold air outlet can output cold air to the to-be-charged equipment, and the cooling efficiency of the to-be-charged equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle-mounted wireless charging technical field especially, relate to charging device. BACKGROUND

[0002] With the development of wireless charging technology, it is more and more common to carry wireless charging device on the car. In order to speed up the charging speed of the mobile phone, the charging power of the wireless charging device is getting larger and larger. Due to the increase of charging power, the phenomenon of heating of the mobile phone during charging is more and more obvious. In order to cool the mobile phone, a fan is usually arranged on the wireless charging device to blow and cool the mobile phone.

[0003] However, the heat dissipation efficiency of the fan blowing is low, especially when the gas temperature blown to the mobile phone is high, the mobile phone cannot be effectively cooled. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing charging device, the heat in second cavity is transferred, makes cold air outlet can export cold air to the equipment to be charged, improves the cooling efficiency of equipment to be charged.

[0005] In order to achieve this purpose, the utility model adopts the following technical scheme:

[0006] Charging device, comprising:

[0007] Base assembly, its inside is equipped with the isolating plate, the two sides of isolating plate are equipped with first cavity and second cavity respectively, first cavity is equipped with heat conduction piece, second cavity is equipped with heat absorption piece, the wall of second cavity is equipped with cold air outlet, cold air outlet is used for guiding the cold air in second cavity to the equipment to be charged;

[0008] Charging assembly, set up in first cavity, is used to charge the equipment to be charged;

[0009] TEC module, including cold end and hot end, cold end is connected with heat absorption piece, and hot end is connected with heat conduction piece.

[0010] As an optional technical scheme, the TEC module is arranged in the second cavity, the first heat conduction end of the heat conduction piece extends into the second cavity and is connected with the hot end, and the second heat conduction end of the heat conduction piece is located in the first cavity.

[0011] As an optional technical scheme, the inner wall of the second cavity is provided with a first accommodating groove, the inner wall of the first cavity is provided with a second accommodating groove, the first accommodating groove and the second accommodating groove are communicated at the position close to the isolating plate, the first heat conduction end is accommodated in the first accommodating groove, and the second heat conduction end is accommodated in the second accommodating groove.

[0012] As an optional technical scheme, the heat absorbing member comprises a heat absorbing body, the TEC module comprises a TEC body, and the first heat conducting end, the hot end, the TEC body, the cold end and the heat absorbing body are sequentially stacked.

[0013] As an optional technical scheme, the wall of the second cavity is provided with an air inlet, the heat absorbing member comprises a plurality of spaced fins, a cooling channel is formed between adjacent two fins, the air inlet and the cold air outlet are located at two ends of the cooling channel respectively, and the outer side of the air inlet is provided with a first fan.

[0014] As an optional technical scheme, the base assembly comprises a seat body and a cover body, the cover body covers the seat body, the first cavity and the second cavity are surrounded between the cover body and the seat body, the cover body is made of a heat insulation material, the seat body is made of a heat conducting material, the cold air outlet is arranged on the cover body, and the side, away from the cover body, of the seat body is provided with a second fan.

[0015] As an optional technical scheme, the seat body is provided with a plurality of heat conducting parts protruding towards the second fan, and the heat conducting parts are spaced.

[0016] As an optional technical scheme, the charging device further comprises:

[0017] An NFC member is mounted on the base assembly.

[0018] A PCB board is arranged in the first cavity, and the NFC member is electrically connected with the PCB board.

[0019] A shielding plate is arranged in the first cavity, and the NFC member, the charging assembly, the shielding plate and the PCB board are sequentially arranged along the Z-axis direction, and the shielding plate is used for shielding the influence of the NFC member and the charging assembly on the PCB board.

[0020] As an optional technical scheme, the base assembly is provided with a avoiding opening, the avoiding opening is communicated with the first cavity, the NFC member covers the avoiding opening, and the charging assembly faces the avoiding opening.

[0021] As an optional technical scheme, the shielding plate comprises an abutment part, a spacing space is formed between the abutment part and the PCB board, and the charging assembly is mounted on the side, away from the PCB board, of the abutment part.

[0022] The utility model discloses the beneficial effect:

[0023] The charging device provided by the utility model includes a base assembly, a charging assembly and a TEC module, the inside of the base assembly is provided with an isolation plate, the two sides of the isolation plate are respectively provided with a first cavity and a second cavity, the first cavity is provided with a heat conduction piece, the second cavity is provided with a heat absorption piece, the wall of the second cavity is provided with a cold air outlet, and the cold air outlet is used for guiding the cold air in the second cavity to the equipment to be charged; the charging assembly is arranged in the first cavity and is used for charging the equipment to be charged; the TEC module includes a cold end and a hot end, the cold end is connected with the heat absorption piece, and the hot end is connected with the heat conduction piece.

[0024] When the equipment to be charged is placed on the base assembly, the charging assembly can charge the equipment to be charged; the cold end of the TEC module is refrigerated, the cold end is connected with the heat absorption piece, the heat absorption piece absorbs the heat in the second cavity, the air temperature in the second cavity is reduced, and the air temperature in the second cavity is reduced and then sent to the equipment to be charged from the cold air outlet, so that the temperature of the equipment to be charged is reduced; the hot end of the TEC module is connected with the heat conduction piece, the heat conduction piece guides the heat to the first cavity, the charging assembly and the heat conduction piece are both located in the first cavity, the heat generated when the charging assembly works and the heat guided by the heat conduction piece both make the temperature of the first cavity higher than that of the second cavity, and due to the isolation effect of the isolation plate, the heat of the first cavity can be prevented from flowing into the second cavity. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structure schematic view of the charging device of the utility model;

[0026] Figure 2 It is an explosion view of the charging device of the utility model;

[0027] Figure 3 It is a sectional view of the first visual angle of the charging device of the utility model;

[0028] Figure 4 It is Figure 3 The local enlarged view of position A in it;

[0029] Figure 5 It is Figure 3 The local enlarged view of position B in it;

[0030] Figure 6 It is a sectional view of the second visual angle of the charging device of the utility model;

[0031] Figure 7 It is a structure schematic view of the base body of the utility model;

[0032] Figure 8 It is a structure schematic view of the cover body of the utility model.

[0033] In the drawing:

[0034] 1, base assembly; 11, first cavity; 12, second cavity; 13, seat body; 131, first containing groove; 132, second containing groove; 133, air inlet; 134, heat conduction part; 135, first isolation part; 136, first bottom; 137, second bottom; 14, cover body; 141, cold air outlet; 142, avoiding port; 143, second isolation part; 144, first top; 145, second top;

[0035] 2, heat conduction piece; 21, first heat conduction end; 22, second heat conduction end;

[0036] 3, heat absorption piece; 31, heat absorption body; 32, fin;

[0037] 4, charging assembly;

[0038] 5, TEC module; 51, cold end; 52, hot end; 53, TEC body;

[0039] 6, second fan;

[0040] 7, NFC piece;

[0041] 8, PCB board;

[0042] 9, shielding plate; 91, impost part;

[0043] 10, first protective cover;

[0044] 101, second protective cover. DETAILED DESCRIPTION

[0045] The utility model will be described further in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0046] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0047] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature is on, above and on of second feature includes that first feature is directly above and obliquely above of second feature, or only indicates that horizontal height of first feature is higher than second feature. First feature is below, under and under of second feature includes that first feature is directly below and obliquely below of second feature, or only indicates that horizontal height of first feature is less than second feature.

[0048] In the description of the embodiment, the terms "upper", "lower", "right", "left", "horizontal", "vertical", and "radial" refer to the orientation or position shown in the drawings, which are for convenience and simplification of description and operation only, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be construed as limiting the present utility model. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0049] As shown in Figures 1 to 8 The charging device provided by the embodiment includes a base assembly 1, a charging assembly 4 and a TEC module 5. The base assembly 1 is internally provided with an isolation plate, and the two sides of the isolation plate are respectively provided with a first cavity 11 and a second cavity 12. The first cavity 11 is provided with a heat conduction piece 2, and the second cavity 12 is provided with a heat absorption piece 3. The wall of the second cavity 12 is provided with a cold air outlet 141 for guiding the cold air in the second cavity 12 to the device to be charged. The charging assembly 4 is arranged in the first cavity 11 and is used for charging the device to be charged. The TEC module 5 includes a cold end 51 and a hot end 52. The cold end 51 is connected with the heat absorption piece 3, and the hot end 52 is connected with the heat conduction piece 2.

[0050] When the device to be charged is placed on the base assembly 1, the charging assembly 4 can charge the device to be charged. The cold end 51 of the TEC module 5 cools, and the cold end 51 is connected with the heat absorption piece 3. The heat absorption piece 3 absorbs the heat in the second cavity 12, so that the air temperature in the second cavity 12 decreases. After the air temperature in the second cavity 12 decreases, the air is output to the device to be charged from the cold air outlet 141, so as to reduce the temperature of the device to be charged. The hot end 52 of the TEC module 5 is connected with the heat conduction piece 2. The heat conduction piece 2 guides the heat to the first cavity 11. The charging assembly 4 and the heat conduction piece 2 are both located in the first cavity 11. The heat generated by the charging assembly 4 and the heat guided by the heat conduction piece 2 both make the temperature of the first cavity 11 higher than the temperature of the second cavity 12. Due to the isolation effect of the isolation plate, the heat of the first cavity 11 can be prevented from flowing into the second cavity 12.

[0051] The charging device of the embodiment can charge various to-be-charged devices, such as mobile phones, tablets, mobile power supplies, and the like.

[0052] In the embodiment, the charging assembly 4 is a coil assembly, which can wirelessly charge to-be-charged devices such as mobile phones, tablets, and mobile power supplies. In some other embodiments, the charging assembly 4 is a terminal assembly, which can contact-charging to-be-charged devices such as mobile phones, tablets, and mobile power supplies.

[0053] The charging device of the embodiment can be applied to a car, and can also be applied to a family or an office.

[0054] The TEC module 5 is a Thermo Electric Cooler, which works on the principle of semiconductor refrigeration technology. The principle of semiconductor refrigeration technology is prior art, and will not be described herein.

[0055] In the embodiment, the heat-absorbing member 3 is a FIN sheet.

[0056] In the embodiment, the TEC module 5 is arranged in the second cavity 12, the first heat-conducting end 21 of the heat-conducting member 2 extends into the second cavity 12 and is connected with the hot end 52, and the second heat-conducting end 22 of the heat-conducting member 2 is located in the first cavity 11. Arranging the TEC module 5 in the second cavity 12 and arranging the charging assembly 4 in the first cavity 11 can reduce the influence of the charging assembly 4 on the TEC module 5. In particular, when the charging assembly 4 is a coil assembly, the coil assembly charges to-be-charged devices by using the principle of electromagnetic induction. Due to the isolation of the isolation plate, the refrigeration principle of the TEC module 5 is prevented from being interfered by the coil assembly.

[0057] In some other embodiments, the TEC module 5 is arranged in the first cavity 11, one end of the heat-absorbing member 3 extends into the first cavity 11 and is connected with the cold end 51, and the other end of the heat-absorbing member 3 is located in the first cavity 11.

[0058] Optionally, the inner wall of the second cavity 12 is provided with a first accommodating groove 131, the inner wall of the first cavity 11 is provided with a second accommodating groove 132, the first accommodating groove 131 and the second accommodating groove 132 are in communication at the position close to the isolation plate, the first heat-conducting end 21 is accommodated in the first accommodating groove 131, and the second heat-conducting end 22 is accommodated in the second accommodating groove 132.

[0059] The first accommodating groove 131 and the second accommodating groove 132 are communicated to form an integrated accommodating groove, the heat conduction piece 2 is accommodated in the accommodating groove integrally, the heat conduction piece 2 does not occupy extra space, the length of the isolation plate can be extended to the side where the accommodating groove is located, the length of the isolation plate is extended, the connecting gap between the first cavity 11 and the second cavity 12 is reduced, and the air communication between the first cavity 11 and the second cavity 12 is reduced; the heat conduction piece 2 is accommodated in the accommodating groove integrally, and the accommodating groove plays a positioning role on the heat conduction piece 2.

[0060] Optionally, the heat absorption piece 3 comprises a heat absorption body 31, the TEC module 5 comprises a TEC body 53, and the first heat conduction end 21, the heat end 52, the TEC body 53, the cold end 51 and the heat absorption body 31 are sequentially stacked.

[0061] Optionally, the wall body of the second cavity 12 is provided with an air inlet 133, the heat absorption piece 3 comprises a plurality of spaced fin 32, the cooling channel is formed between the adjacent two fins 32, the air inlet 133 and the cold air outlet 141 are located at two ends of the cooling channel respectively, the outer side of the air inlet 133 is provided with a first fan, and the first fan is used for blowing air into the air inlet 133. The first fan is of an existing structure, and will not be shown in the embodiment.

[0062] The first fan is arranged on the outer wall of the base assembly 1, the outer cover of the first fan is provided with a first protective cover 10, the first protective cover 10 covers the first fan and the air inlet 133 in the first protective cover 10, the first fan blows air into the air inlet 133, accelerates the air flow, and the air enters the second cavity 12 and then passes through the cooling channel. The air exchanges heat with the fin 32 in the cooling channel, the temperature of the air is reduced, and the cold air is discharged from the cold air outlet 141.

[0063] In the embodiment, the base assembly 1 comprises a seat body 13 and a cover body 14, the cover body 14 is arranged on the seat body 13, the first cavity 11 and the second cavity 12 are arranged between the cover body 14 and the seat body 13, the cover body 14 is made of a heat insulation material, the seat body 13 is made of a heat conduction material, the cold air outlet 141 is arranged on the cover body 14, the seat body 13 is provided with a second fan 6 on the side away from the cover body 14, and the second fan 6 and the first cavity 11 are located on the same side of the isolation plate.

[0064] When the device to be charged is placed on the cover body 14, the cover body 14 will not transfer heat to the device to be charged, the seat body 13 transfers heat to the side away from the cover body 14 and the device to be charged, the second fan 6 blows air to the side away from the seat body 13, accelerates heat dissipation, prevents heat accumulation in the first cavity 11, and avoids that the temperature of the first cavity 11 is too high.

[0065] In the embodiment, the base body 13 is provided with a first isolation part 135, the cover body 14 is provided with a second isolation part 143, and when the cover body 14 covers the base body 13, the first isolation part 135 and the second isolation part 143 form an isolation plate.

[0066] In the embodiment, the base body 13 includes a first bottom part 136 and a second bottom part 137 located on both sides of the first isolation part 135, and the air inlet 133 is located on the second bottom part 137; the cover body 14 includes a first top part 144 and a second top part 145 located on both sides of the second isolation part 143, and the cold air outlet 141 is located on the second top part 145; the first bottom part 136, the first top part 144, and the isolation plate form a first cavity 11, the second bottom part 137, the second top part 145, and the isolation plate form a second cavity 12, the length of the second bottom part 137 is less than the length of the first bottom part 136, the second bottom part 137 does not introduce too much heat into the second cavity 12, preventing excessive heat backflow; the length of the TEC module 5 and the length of the heat absorption part 3 are relatively short, which can be placed in the second cavity 12; the length of the charging assembly 4, the length of the PCB 8, and the length of the shielding plate 9 are relatively long, which can be placed in the first cavity 11.

[0067] Optionally, the base body 13 is provided with a plurality of heat conduction parts 134 protruding towards the second fan 6, and the plurality of heat conduction parts 134 are arranged at intervals. The heat conduction part 134 can enhance the guiding and dissipating effect of heat.

[0068] Optionally, the heat conduction part 134 is a conical structure or a cylindrical structure or a conical structure.

[0069] Optionally, the charging device further comprises an NFC part 7, a PCB 8, and a shielding plate 9, the NFC part 7 is installed on the base assembly 1; the PCB 8 is arranged in the first cavity 11, and the NFC part 7 is electrically connected with the PCB 8; the shielding plate 9 is arranged in the first cavity 11, and the NFC part 7, the charging assembly 4, the shielding plate 9, and the PCB 8 are sequentially arranged along the Z-axis direction, and the shielding plate 9 is used to shield the influence of the NFC part 7 and the charging assembly 4 on the PCB 8.

[0070] The NFC part 7 is an NFC antenna, the device to be charged is provided with an NFC card, the NFC antenna can identify the NFC card and obtain the information of the device to be charged; the charging assembly 4 is electrically connected with the PCB 8; the shielding plate 9 is made of a magnetic shielding material, for example, a ferromagnetic material, to prevent the NFC part 7 and the charging assembly 4 from affecting the normal work of the PCB 8.

[0071] Optionally, the base assembly 1 is provided with an avoiding opening 142, the avoiding opening 142 is communicated with the first cavity 11, the NFC piece 7 covers the avoiding opening 142, and the charging assembly 4 is opposite to the avoiding opening 142. The avoiding opening 142 is arranged on the cover body 14, the charging assembly 4 is opposite to the avoiding opening 142, and the influence of the cover body 14 on electromagnetic induction is reduced; the avoiding opening 142 is covered by the NFC piece 7, and dust and impurities are prevented from falling into the inside of the cover body 14.

[0072] Optionally, the shielding plate 9 comprises an impost 91, the space is formed between the PCB 8 and the impost 91, and the charging assembly 4 is installed on the side, away from the PCB 8, of the impost 91. The charging assembly 4 is close to the device to be charged, and the charging efficiency is provided.

[0073] Optionally, the side, away from the cover body 14, of the seat body 13 is provided with a second protective cover 101, and the second protective cover 101 covers the periphery of the second fan 6, so that the second fan 6 is protected.

[0074] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For the ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, all the embodiments need not to be exhausted. Any modification, equivalent replacement and improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A charging device, characterized by The application relates to a base assembly (1) which is internally provided with an isolation plate, the two sides of the isolation plate are respectively provided with a first cavity (11) and a second cavity (12), the first cavity (11) is provided with a heat conduction piece (2), the second cavity (12) is provided with a heat absorption piece (3), the wall of the second cavity (12) is provided with a cold air outlet (141) for guiding cold air in the second cavity (12) to a device to be charged, a charging assembly (4) arranged in the first cavity (11) and used for charging the device to be charged, a TEC module (5) comprising a cold end (51) and a hot end (52), the cold end (51) is connected with the heat absorption piece (3), and the hot end (52) is connected with the heat conduction piece (2). The TEC module (5) is arranged in the second cavity (12), a first heat conduction end (21) of the heat conduction piece (2) extends into the second cavity (12) and is connected with the hot end (52), and a second heat conduction end (22) of the heat conduction piece (2) is located in the first cavity (11).

2. The charging device of claim 1, wherein, An inner wall of the second cavity (12) is provided with a first accommodating groove (131), an inner wall of the first cavity (11) is provided with a second accommodating groove (132), the first accommodating groove (131) and the second accommodating groove (132) are communicated at the position close to the isolation plate, the first heat conduction end (21) is accommodated in the first accommodating groove (131), and the second heat conduction end (22) is accommodated in the second accommodating groove (132).

3. The charging device of claim 2, wherein, The heat absorption piece (3) comprises a heat absorption body (31), the TEC module (5) comprises a TEC body (53), and the first heat conduction end (21), the hot end (52), the TEC body (53), the cold end (51) and the heat absorption body (31) are sequentially arranged in layers.

4. The charging device of claim 2, wherein, A wall of the second cavity (12) is provided with an air inlet (133), the heat absorption piece (3) comprises a plurality of spaced fin pieces (32), a cooling channel is formed between two adjacent fin pieces (32), the air inlet (133) and the cold air outlet (141) are located at two ends of the cooling channel respectively, an outer side of the air inlet (133) is provided with a first fan, and the first fan is used for blowing air into the air inlet (133).

5. The charging device of claim 1, wherein, The base assembly (1) comprises a seat body (13) and a cover body (14), the cover body (14) is arranged on the seat body (13), the first cavity (11) and the second cavity (12) are arranged between the cover body (14) and the seat body (13), the cover body (14) is made of a heat insulation material, the seat body (13) is made of a heat conduction material, the cold air outlet (141) is arranged on the cover body (14), a second fan (6) is arranged on a side of the seat body (13) away from the cover body (14), and the second fan (6) and the first cavity (11) are located on the same side of the isolation plate.

6. The charging device of claim 1, wherein, ​ 7. The charging device of claim 6, wherein, The seat body (13) is provided with a plurality of heat conduction parts (134) protruding towards the second fan (6), and the plurality of heat conduction parts (134) are arranged at intervals.

8. The charging device of claim 1, wherein, The charging device further comprises: An NFC component (7) mounted on the base assembly (1); A PCB (8) arranged in the first cavity (11), and the NFC component (7) is electrically connected to the PCB (8); A shielding plate (9) arranged in the first cavity (11), and the NFC component (7), the charging assembly (4), the shielding plate (9) and the PCB (8) are sequentially arranged along the Z-axis direction, and the shielding plate (9) is used for shielding the influence of the NFC component (7) and the charging assembly (4) on the PCB (8).

9. The charging device of claim 8, wherein, The base assembly (1) is provided with a avoiding opening (142) which is communicated with the first cavity (11), the avoiding opening (142) is covered by the NFC component (7), and the charging assembly (4) is opposite to the avoiding opening (142).

10. The charging device of claim 8, wherein, The shielding plate (9) comprises an impost part (91), and a spacing space is formed between the impost part (91) and the PCB (8), and the charging assembly (4) is mounted on one side of the impost part (91) away from the PCB (8).

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