CN223462806U

CN223462806U - Charging device

Info

Publication number: CN223462806U
Application number: CN202422643999.3U
Authority: CN
Inventors: 李成刚
Original assignee: Yuanfeng Technology Co Ltd
Current assignee: Yuanfeng Technology Co Ltd
Priority date: 2024-10-31
Filing date: 2024-10-31
Publication date: 2025-10-21
Anticipated expiration: 2034-10-31

Abstract

The utility model belongs to the technical field of vehicle-mounted wireless charging, and discloses a charging device, which comprises a base component, a charging component and a TEC module, wherein a partition plate is arranged in the base component, a first cavity and a second cavity are respectively arranged on two sides of the partition plate, a heat-conducting piece is arranged in the first cavity, a heat-absorbing piece is arranged in the second cavity, a cold air outlet is arranged in the wall of the second cavity and used for guiding cold air in the second cavity to equipment to be charged, the charging component is arranged in the first cavity and used for charging the equipment to be charged, the TEC module comprises a cold end and a hot end, the cold end is connected with the heat-absorbing piece, and the hot end is connected with the heat-conducting piece. The charging device transfers heat in the second cavity, so that the cold air outlet can output cold air to the equipment to be charged, and the cooling efficiency of the equipment to be charged is improved.

Description

Charging device

Technical Field

The utility model relates to the technical field of vehicle-mounted wireless charging, in particular to a charging device.

Background

With the development of wireless charging technology, it is becoming more common to mount wireless charging devices on automobiles. In order to accelerate the charging speed of the mobile phone, the charging power of the wireless charging device is larger and larger, and the phenomenon that the mobile phone heats in the charging process is more and more obvious due to the increase of the charging power, in order to radiate the heat of the mobile phone, a fan is usually arranged on the wireless charging device, and the fan is used for blowing and radiating the heat of the mobile phone.

However, the heat dissipation efficiency of blowing by the fan is low, and particularly when the temperature of the air blown to the mobile phone is high, the mobile phone cannot be effectively cooled.

Disclosure of utility model

The utility model aims to provide a charging device which transfers heat in a second cavity, so that a cold air outlet can output cold air to equipment to be charged, and the cooling efficiency of the equipment to be charged is improved.

To achieve the purpose, the utility model adopts the following technical scheme:

A charging device, comprising:

The base assembly is internally provided with a separation plate, two sides of the separation 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 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 comprises a cold end and a hot end, wherein the cold end is connected with the heat absorbing piece, and the hot end is connected with the heat conducting piece.

As an optional technical scheme, the TEC module is arranged in the second cavity, the first heat conducting end of the heat conducting piece stretches into the second cavity and is connected with the hot end, and the second heat conducting end of the heat conducting piece is positioned in the first cavity.

As an optional technical scheme, the inner wall of second cavity is equipped with first holding tank, the inner wall of first cavity is equipped with the second holding tank, first holding tank with the second holding tank is both being close to division board department intercommunication, first heat conduction end hold in first holding tank, the second heat conduction end hold in the second holding tank.

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.

As an optional technical scheme, the wall body of second cavity is equipped with the air inlet, the heat absorbing member includes a plurality of fins that the interval set up, adjacent two form cooling channel between the fin, the air inlet with cold wind export is located respectively cooling channel's both ends, the outside of air inlet is equipped with first fan, first fan is used for to the air inlet blows in the air.

As an optional technical scheme, the base assembly comprises a base body and a cover body, the cover body is covered on the base body, the cover body and the base body enclose between them to be equipped with first cavity and second cavity, the cover body adopts thermal insulation material to make, the base body adopts heat conduction material to make, cold air outlet set up in the cover body, the base body deviates from one side of the cover body is equipped with the second fan, the second fan with first cavity is located the same one side of division board.

As an optional technical scheme, the base body is provided with a plurality of heat conducting parts protruding towards the second fan, and the plurality of heat conducting parts are arranged at intervals.

As an optional solution, the charging device further includes:

an NFC piece mounted to the base assembly;

The PCB is arranged in the first cavity, and the NFC piece is electrically connected with the PCB;

The shielding plate is arranged in the first cavity, the NFC piece, the charging assembly, the shielding plate and the PCB are sequentially arranged along the Z-axis direction, and the shielding plate is used for shielding the NFC piece and the charging assembly from affecting the PCB.

As an optional technical scheme, the base assembly is provided with an avoidance port, the avoidance port is communicated with the first cavity, the NFC piece covers the avoidance port, and the charging assembly is opposite to the avoidance port.

As an optional technical scheme, the shielding plate comprises a arch platform portion, a spacing space is formed between the arch platform portion and the PCB board, and the charging assembly is mounted on one side of the arch platform portion, which is away from the PCB board.

The utility model has the beneficial effects that:

The charging device comprises a base component, a charging component and a TEC module, wherein a partition plate is arranged in the base component, a first cavity and a second cavity are respectively arranged on two sides of the partition plate, a heat conducting piece is arranged in the first cavity, a heat absorbing piece is arranged in the second cavity, a cold air outlet is formed in a wall body of the second cavity and used for guiding cold air in the second cavity to equipment to be charged, the charging component is arranged in the first cavity and used for charging the equipment to be charged, the TEC module comprises a cold end and a hot end, the cold end is connected with the heat absorbing piece, and the hot end is connected with the heat conducting piece.

When the equipment to be charged is placed on the base component, the charging component can charge the equipment to be charged, the cold end of the TEC module is refrigerated, the cold end is connected with the heat absorbing component, the heat absorbing component absorbs heat in the second cavity to enable the air temperature in the second cavity to be reduced, the air temperature in the second cavity is reduced and then is transmitted 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 conducting component, the heat conducting component guides heat to the first cavity, the charging component and the heat conducting component are both located in the first cavity, and the heat generated during the operation of the charging component and the heat guided by the heat conducting component enable the temperature of the first cavity to be 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 rushing into the second cavity.

Drawings

Fig. 1 is a schematic structural view of a charging device of the present utility model;

fig. 2 is an exploded view of the charging device of the present utility model;

Fig. 3 is a cross-sectional view of a charging device of the present utility model from a first perspective;

FIG. 4 is an enlarged view of a portion of the position A of FIG. 3;

FIG. 5 is an enlarged partial view of the position B in FIG. 3;

Fig. 6 is a cross-sectional view of a second view of the charging device of the present utility model;

FIG. 7 is a schematic view of the structure of the base of the present utility model;

Fig. 8 is a schematic structural view of the cover body of the present utility model.

In the figure:

1. The base assembly, 11, the first cavity, 12, the second cavity, 13, the base, 131, the first containing groove, 132, the second containing groove, 133, the air inlet, 134, the heat conducting part, 135, the first isolation part, 136, the first bottom, 137, the second bottom, 14, the cover, 141, the cold air outlet, 142, the avoiding opening, 143, the second isolation part, 144, the first top, 145, the second top;

2. A heat conductive member; 21, a first heat conduction end, 22, a second heat conduction end;

3. The heat absorbing member, 31, the heat absorbing body, 32, the fin;

4. A charging assembly;

5. TEC module, 51, cold end, 52, hot end, 53, TEC body;

6. a second fan;

7. an NFC piece;

8. a PCB board;

9. 91, arch stand portion;

10. a first shield;

101. And a second protective cover.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 8, the charging device provided in this embodiment includes a base component 1, a charging component 4 and a TEC module 5, a partition board is disposed in the base component 1, two sides of the partition board are respectively provided with a first cavity 11 and a second cavity 12, the first cavity 11 is provided with a heat conducting member 2, the second cavity 12 is provided with a heat absorbing member 3, a cold air outlet 141 is disposed on a wall of the second cavity 12, the cold air outlet 141 is used for guiding cold air in the second cavity 12 to a device to be charged, the charging component 4 is disposed 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 absorbing member 3, and the hot end 52 is connected with the heat conducting member 2.

When the equipment to be charged is placed on the base component 1, the charging component 4 can charge the equipment to be charged, the cold end 51 of the TEC module 5 is refrigerated, the cold end 51 is connected with the heat absorbing component 3, the heat absorbing component 3 absorbs heat in the second cavity 12 to enable the air temperature in the second cavity 12 to be reduced, the air temperature in the second cavity 12 is reduced and then is transmitted to the equipment to be charged from the cold air outlet 141, so that the temperature of the equipment to be charged is reduced, the hot end 52 of the TEC module 5 is connected with the heat conducting component 2, the heat conducting component 2 guides the heat to the first cavity 11, the charging component 4 and the heat conducting component 2 are both located in the first cavity 11, and heat generated during operation of the charging component 4 and the heat guided by the heat conducting component 2 enable the temperature of the first cavity 11 to be higher than that of the second cavity 12, and heat of the first cavity 11 can be prevented from flowing into the second cavity 12 due to the isolation effect of the isolation plate.

The charging device of the embodiment can charge various devices to be charged, such as a mobile phone, a tablet computer, a mobile power supply and the like.

In this embodiment, the charging assembly 4 is a coil assembly, and the coil assembly can wirelessly charge the mobile phone, the tablet computer, and the mobile power supply waiting charging device, and in other embodiments, the charging assembly 4 is a terminal assembly, and the terminal assembly can contact-type charge the mobile phone, the tablet computer, and the mobile power supply waiting charging device.

The charging device of the embodiment is applied to an automobile, and can also be applied to a home or an office.

The TEC module 5 is an electrothermal cooler (Thermo Electric Cooler), the working principle of which is a semiconductor refrigeration technology principle, and the semiconductor refrigeration technology principle is the prior art, and the embodiment is not described in detail.

In the present embodiment, the heat absorbing member 3 is FIN sheet.

In this embodiment, the TEC module 5 is disposed in the second cavity 12, and the first heat conduction end 21 of the heat conduction member 2 extends into the second cavity 12 and is connected to the heat end 52, and the second heat conduction end 22 of the heat conduction member 2 is located in the first cavity 11. Set up TEC module 5 in second cavity 12, charging assembly 4 sets up in first cavity 11, can reduce the influence of charging assembly 4 to TEC module 5, especially when charging assembly 4 is coil assembly, and coil assembly utilizes electromagnetic induction principle to treat charging equipment and charges, because the isolation effect of division board, prevents that the refrigeration principle of TEC module 5 from receiving coil assembly's electromagnetic interference.

In other embodiments, the TEC module 5 is disposed in the first cavity 11, one end of the heat absorbing member 3 extends into the first cavity 11 and is connected to the cold end 51, and the other end of the heat absorbing member 3 is located in the first cavity 11.

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 communicated at a 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.

The first accommodating groove 131 and the second accommodating groove 132 are communicated to form an integral accommodating groove, the heat conducting piece 2 is integrally accommodated in the accommodating groove, the heat conducting piece 2 does not occupy extra space, the isolation plate can extend towards one side of the accommodating groove as far as possible, the length of the isolation plate is prolonged, the connecting gap between the first cavity 11 and the second cavity 12 can be reduced, the air communication between the first cavity 11 and the second cavity 12 is reduced, the heat conducting piece 2 is integrally accommodated in the accommodating groove, and the accommodating groove plays a role in positioning the heat conducting piece 2.

Optionally, the heat absorbing member 3 includes a heat absorbing body 31, the TEC module 5 includes a TEC body 53, and the first heat conducting end 21, the hot end 52, the TEC body 53, the cold end 51, and the heat absorbing body 31 are sequentially stacked.

Optionally, the wall body of the second cavity 12 is provided with an air inlet 133, the heat absorbing member 3 includes a plurality of fins 32 arranged at intervals, a cooling channel is formed between two adjacent fins 32, the air inlet 133 and the cold air outlet 141 are respectively located at two ends of the cooling channel, a first fan is arranged at the outer side of the air inlet 133, and the first fan is used for blowing air into the air inlet 133. The first fan is an existing structure, and this embodiment is not shown.

The first fan is arranged on the outer wall of the base assembly 1, the first protective cover 10 is arranged on the outer cover of the first fan, the first protective cover 10 covers the first fan and the air inlet 133 in the first fan, the first fan blows air into the air inlet 133 to accelerate air flow, the air passes through the cooling channel after entering the second cavity 12, the air completes heat exchange with the fins 32 in the cooling channel, the air temperature is reduced, and cold air is discharged from the cold air outlet 141.

In this embodiment, the base assembly 1 includes a base 13 and a cover 14, the cover 14 is covered on the base 13, a first cavity 11 and a second cavity 12 are enclosed between the cover 14 and the base 13, the cover 14 is made of a heat insulation material, the base 13 is made of a heat conduction material, the cold air outlet 141 is formed in the cover 14, a second fan 6 is disposed on one side of the base 13 away from the cover 14, and the second fan 6 and the first cavity 11 are located on the same side of the isolation board.

When waiting that charging equipment places in lid 14, lid 14 can not be with heat transfer to waiting that charging equipment, and lid 14 and waiting that charging equipment's one side transfer is kept away from to the pedestal 13 with heat, and second fan 6 is bloied to the one side that deviates from pedestal 13 for the heat dissipation prevents that the heat from piling up in first cavity 11, avoids first cavity 11 high temperature.

In the present embodiment, the base 13 is provided with a first isolation portion 135, the cover 14 is provided with a second isolation portion 143, and when the cover 14 is covered on the base 13, the first isolation portion 135 and the second isolation portion 143 form an isolation plate.

In this embodiment, the base 13 includes a first bottom 136 and a second bottom 137 located at two sides of the first isolation portion 135, the air inlet 133 is located at the second bottom 137, the cover 14 includes a first top 144 and a second top 145 located at two sides of the second isolation portion 143, the cold air outlet 141 is located at the second top 145, the first bottom 136, the first top 144 and the isolation plate enclose a first cavity 11, the second bottom 137, the second top 145 and the isolation plate enclose a second cavity 12, the length of the second bottom 137 is smaller than that of the first bottom 136, the second bottom 137 will not introduce excessive heat into the second cavity 12, so as to prevent excessive backflow of heat, the TEC module 5 and the heat absorbing member 3 are both shorter in length and can be placed in the second cavity 12, and the charging assembly 4, the PCB board 8 and the shielding plate 9 are both longer in length and can be placed in the first cavity 11.

Alternatively, the base 13 protrudes toward the second fan 6 and is provided with a plurality of heat conducting portions 134, and the plurality of heat conducting portions 134 are disposed at intervals. The heat conduction portion 134 can enhance the heat dissipation effect.

Alternatively, the heat conducting portion 134 may have a conical structure or a cylindrical structure or a conical structure.

Optionally, the charging device further comprises an NFC piece 7, a PCB 8 and a shielding plate 9, the NFC piece 7 is mounted on the base assembly 1, the PCB 8 is arranged in the first cavity 11, the NFC piece 7 is electrically connected with the PCB 8, the shielding plate 9 is arranged in the first cavity 11, the NFC piece 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 influences of the NFC piece 7 and the charging assembly 4 on the PCB 8.

The NFC piece 7 is an NFC antenna, the equipment to be charged is provided with an NFC card, the NFC antenna can identify the NFC card and acquire information of the equipment to be charged, the charging assembly 4 is electrically connected with the PCB 8, the shielding plate 9 is made of a magnetic isolation material, for example, a ferromagnetic material, and the NFC piece 7 and the charging assembly 4 are prevented from affecting normal operation of the PCB 8.

Optionally, the base assembly 1 is provided with an avoidance port 142, the avoidance port 142 is communicated with the first cavity 11, the NFC component 7 covers the avoidance port 142, and the charging assembly 4 is opposite to the avoidance port 142. The cover body 14 is provided with the avoiding opening 142, so that the charging assembly 4 is opposite to the avoiding opening 142, the influence of the cover body 14 on electromagnetic induction is reduced, and the NFC piece 7 covers the avoiding opening 142 to prevent dust and impurities from falling into the cover body 14.

Optionally, the shielding plate 9 includes a abutment portion 91, a space is formed between the abutment portion 91 and the PCB 8, and the charging assembly 4 is mounted on a side of the abutment portion 91 facing away from the PCB 8. Bringing the charging assembly 4 close to the device to be charged provides charging efficiency.

Optionally, a second protection cover 101 is disposed on a side of the base 13 away from the cover 14, and the second protection cover 101 is covered on a peripheral portion of the second fan 6 to protect the second fan 6.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Charging device, characterized by comprising:

the base assembly (1) is internally provided with a separation plate, two sides of the separation 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), and the cold air outlet (141) is used for guiding cold air in the second cavity (12) to equipment to be charged;

the charging assembly (4) is arranged in the first cavity (11) and is used for charging the equipment to be charged;

TEC module (5), including cold junction (51) and hot junction (52), cold junction (51) with heat absorbing member (3) are connected, hot junction (52) with heat conducting member (2).

2. The charging device according to claim 1, wherein the TEC module (5) is disposed in the second cavity (12), the first heat conduction end (21) of the heat conduction member (2) extends into the second cavity (12) and is connected with the heat end (52), and the second heat conduction end (22) of the heat conduction member (2) is disposed in the first cavity (11).

3. The charging device according to claim 2, wherein the inner wall of the second cavity (12) is provided with a first accommodation groove (131), the inner wall of the first cavity (11) is provided with a second accommodation groove (132), the first accommodation groove (131) and the second accommodation groove (132) are communicated near the partition plate, the first heat conduction end (21) is accommodated in the first accommodation groove (131), and the second heat conduction end (22) is accommodated in the second accommodation groove (132).

4. The charging device according to claim 2, wherein the heat absorbing member (3) comprises a heat absorbing body (31), the TEC module (5) comprises a TEC body (53), and the first heat conducting end (21), the hot end (52), the TEC body (53), the cold end (51) and the heat absorbing body (31) are sequentially stacked.

5. Charging device according to claim 1, wherein the wall of the second cavity (12) is provided with an air inlet (133), the heat absorbing member (3) comprises a plurality of fins (32) arranged at intervals, a cooling channel is formed between two adjacent fins (32), the air inlet (133) and the cold air outlet (141) are respectively positioned at two ends of the cooling channel, a first fan is arranged at the outer side of the air inlet (133), and the first fan is used for blowing air into the air inlet (133).

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

7. The charging device according to claim 6, wherein the base (13) is provided with a plurality of heat conducting portions (134) protruding toward the second fan (6), and a plurality of the heat conducting portions (134) are provided at intervals.

8. The charging device according to claim 1, characterized in that the charging device further comprises:

An NFC piece (7) mounted on the base component (1);

The PCB (8) is arranged in the first cavity (11), and the NFC piece (7) is electrically connected with the PCB (8);

The shielding plate (9) is arranged in the first cavity (11), the NFC piece (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 NFC piece (7) and the charging assembly (4) against the influence of the PCB (8).

9. The charging device according to claim 8, wherein the base assembly (1) is provided with an avoidance port (142), the avoidance port (142) is communicated with the first cavity (11), the NFC member (7) covers the avoidance port (142), and the charging assembly (4) is opposite to the avoidance port (142).

10. Charging device according to claim 8, characterized in that the shielding plate (9) comprises a abutment portion (91), a spacing space is formed between the abutment portion (91) and the PCB board (8), and the charging assembly (4) is mounted on a side of the abutment portion (91) facing away from the PCB board (8).