CN222301449U - Refrigeration mobile charging power supply - Google Patents

Abstract

The utility model discloses a refrigeration mobile charging power supply which comprises a shell, a heat dissipation bracket, a semiconductor refrigerating sheet, a first fan, a second fan and a second fan, wherein an accommodating cavity is formed in the shell, the accommodating cavity is at least divided into a first area and a second area, the shell is provided with an air inlet area and an air outlet area, the rechargeable battery is accommodated in the first area, the heat dissipation bracket is arranged in the second area, the air inlet area and the air outlet area are respectively communicated with the second area, the heat dissipation bracket comprises a heat absorption part and a heat dissipation part, the semiconductor refrigerating sheet is electrically connected with the semiconductor refrigerating sheet, one heat-generating surface of the semiconductor refrigerating sheet is in heat conduction connection with the heat absorption part, one refrigeration surface of the semiconductor refrigerating sheet is in heat conduction connection with the inner wall of one side surface of the shell, the first fan is used for dissipating heat of the heat dissipation part, and the second fan is used for exhausting air in the air outlet area. The utility model relates to a refrigeration mobile charging power supply capable of effectively cooling a mobile charging power supply and a handheld mobile electronic device.

Description

Refrigerating mobile charging power supply

Technical Field

The utility model relates to the technical field of mobile charging power supplies, in particular to a refrigeration mobile charging power supply.

Background

The portable charger is portable, can store electric energy, and is mainly used for charging consumer electronic products such as handheld mobile electronic equipment and the like, and is particularly applied to occasions without external power supply. The main components of the device comprise a battery used as electric energy storage and a circuit for stabilizing output voltage. In order to extend the operating time of the handheld mobile electronic device as much as possible, the handheld mobile electronic device is used together with a mobile power supply. However, a large amount of heat is generated when the mobile power supply and the handheld mobile electronic device are used for a long time, and in order to improve the stability of the mobile power supply and the handheld mobile electronic device when they are used, it is necessary to cool the handheld mobile electronic device and the mobile power supply, for example, cooling, heat dissipation, etc.

In the mobile charging power supply in the prior art, in the long-time use process, some mobile charging power supplies cannot be actively cooled, and other mobile charging power supplies cannot be actively cooled.

Therefore, there is a need for a refrigeration mobile charging power supply that can effectively cool down mobile charging power supplies and handheld mobile electronic devices.

Disclosure of utility model

The utility model aims to provide a refrigeration mobile charging power supply capable of effectively cooling a mobile charging power supply and a handheld mobile electronic device.

In order to achieve the above purpose, the technical scheme provided by the utility model is that a refrigeration mobile charging power supply is provided, which comprises:

The device comprises a shell, wherein an accommodating cavity is formed in the shell, the accommodating cavity is at least divided into a first area and a second area, and the shell is provided with an air inlet area and an air outlet area;

a rechargeable battery accommodated in the first region;

The heat dissipation bracket is arranged in the second area, the air inlet area and the air outlet area are respectively communicated with the second area, and the heat dissipation bracket comprises a heat absorption part and a heat dissipation part;

The semiconductor refrigerating piece is powered by the rechargeable battery, one heat-generating surface of the semiconductor refrigerating piece is connected with the heat absorbing part in a heat conducting manner, and one refrigerating surface of the semiconductor refrigerating piece is connected with the inner wall of one side surface of the shell in a heat conducting manner;

The first fan is used for radiating the heat of the heat radiating part;

And the second fan is used for exhausting air in the air outlet area.

The heat absorption part is of a flat structure, the heat dissipation part is provided with a plurality of heat dissipation fins, heat dissipation channels are formed between two adjacent heat dissipation fins, the heat dissipation part is also provided with a fan groove, and the first fan is arranged in the fan groove.

One end of one side face of the shell is provided with an air outlet area, a plurality of air outlet holes are arranged in the air outlet area, and an air outlet of the second fan is opposite to the air outlet area.

The air-conditioning device also comprises a third fan, the other end of one side surface of the shell is provided with another air outlet area, and an air outlet of the third fan is opposite to the other air outlet area.

A blocking mechanism is arranged between the second fan and the air inlet area.

The rechargeable battery supplies power to the wireless charging coil through the charging and discharging control circuit board, and the wireless charging coil is connected to the inner wall of one side face of the shell.

The magnetic ring or the plurality of magnets distributed in the circumferential direction are connected to the inner wall of one side face of the shell.

The heat dissipation support is arranged in the shell through the heat dissipation support fixing frame.

The upper side of the heat dissipation support fixing frame is provided with a limit frame surrounded by corner posts, the heat dissipation support is fixed in the limit frame, and a vent is formed in the bottom of the limit frame.

The semiconductor refrigerating sheet limiting block is made of a plurality of heat insulation materials, the semiconductor refrigerating sheet limiting block is arranged on the heat absorption part, a plurality of semiconductor refrigerating sheet limiting blocks form a limiting area, and the semiconductor refrigerating sheet is arranged in the limiting area.

Compared with the prior art, the refrigeration mobile charging power supply provided by the utility model is provided with the heat dissipation bracket, the first fan and the second fan, so that heat dissipation can be performed on the heat generated by the semiconductor refrigeration piece in time, the refrigeration effect of the refrigeration surface of the semiconductor refrigeration piece is ensured, the handheld mobile electronic equipment can be effectively cooled, the user experience is improved, and the risk of spontaneous combustion can be reduced.

The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.

Drawings

Fig. 1 is a schematic diagram of an embodiment of a refrigeration type mobile charging power supply according to the present utility model.

Fig. 2 is a schematic view of the refrigerating mobile charging power supply shown in fig. 1 with the upper cover removed.

Fig. 3 is a cross-sectional view of the refrigeration mobile charging power supply shown in fig. 2 along the A-A direction.

Fig. 4 is an exploded view of the refrigerating mobile charging power supply shown in fig. 1.

Fig. 5 is a schematic cross-sectional view of one embodiment of the cooperation of the semiconductor refrigeration sheet, the wireless charging coil, the magnetic ring and the upper cover.

The reference numerals indicate that the refrigerating mobile charging power supply 100, the shell 1, the bottom shell 1a, the second heat conduction layer 1c, the upper cover 1b, the magnetic ring 10, the accommodating cavity 11, the first area 112, the second area 113, the air inlet area 12, the air outlet area 13, the heat dissipation bracket fixing frame 14, the corner post 140, the limit frame 141, the ventilation opening 142, the semiconductor refrigerating sheet limiting block 15, the limit area 151, the blocking mechanism 16, the rechargeable battery 2, the heat dissipation bracket 3, the heat absorption part 31, the heat dissipation part 32, the heat dissipation fins 321, the heat dissipation channel 322, the semiconductor refrigerating sheet 4, the first fan 5a, the second fan 5b, the air inlet 51, the air outlet 52, the third fan 6, the charge-discharge interface 7, the charge-discharge control circuit board 8, the wireless charging coil 9, the coil 9a, the coil metal 9b and the first heat conduction layer 9c.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

In the following, the terms "comprises", "comprising", "having" and their cognate terms as used in various embodiments of the utility model are intended to refer only to a particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be taken to first exclude the presence of or increase the likelihood of one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.

Furthermore, the terms "first," "second," "third," and the like, as used herein, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the utility model belong. The terms (such as those defined in commonly used dictionaries) will be interpreted as having a meaning that is the same as the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in connection with the various embodiments of the utility model.

Referring to fig. 1, for more convenient explanation of the present utility model, a reference coordinate system X, Y, Z is established to assist in explanation of the interrelationship of the layout directions of the components, for example, in fig. 1, the X direction is the width direction of the housing, the Y direction is the length direction of the housing, the Z direction is the thickness direction or the vertical direction of the housing, and the X, Y, Z directions have two opposite sides. The coordinate system is merely provided for assistance in explanation and should not be construed as limiting the actual layout positions of the components of the present utility model.

Referring to fig. 1, 2, 3, and 4, a refrigeration mobile charging power supply 100 provided in an embodiment of the present utility model includes:

A housing 1, in which a housing cavity 11 is formed in the housing 1, the housing cavity 11 is at least divided into a first area 112 and a second area 113 (see fig. 2 and 4), an air inlet area 12 and an air outlet area 13 are formed through one or more sides of the housing 1, and external air (or room temperature air) enters the housing cavity 11 from the air inlet area 12 and is discharged from the air outlet area 13;

Those skilled in the art will understand that the accommodating chamber 11 is used to accommodate a rechargeable battery and a semiconductor cooling plate (hereinafter, a mounting manner and operation characteristics of the semiconductor cooling plate will be described). In order to avoid heat accumulation, the two parts are preferably arranged in a partition manner, so that heat can be discharged out of the accommodating cavity 11 more quickly, and the heat dissipation effect of the utility model can be effectively improved.

External air can follow when the air inlet area 12 gets into hold chamber 11 can with hold the spare part in the chamber 11, for example spare part such as rechargeable battery or semiconductor refrigeration piece carries out the heat exchange, makes the spare part temperature in holding chamber 11 reduces, and external air can heat up and form steam in holding chamber 11, then follow air-out area 13 is discharged to take hold the heat in the chamber 11 out hold chamber 11, so can keep a relatively lower temperature in holding chamber 11, ensured the normal working property of spare part such as rechargeable battery and semiconductor refrigeration piece, improve user experience, reduce the risk of spontaneous combustion.

In the embodiment of the present utility model, the housing 1 may be divided into two parts, one part is the bottom shell 1a, the other part is the upper cover 1b, and the upper cover 1b may be separated from the bottom shell 1a in the Z direction, or the upper cover 1b may be covered on the bottom shell 1 a.

In other embodiments, the housing 1 may be similarly divided into two parts, which may be arranged to be separated in the X-direction or separated in the Y-direction.

A rechargeable battery 2, wherein the rechargeable battery 2 is accommodated in the first region 112;

In the embodiment of the present utility model, the rechargeable battery 2 and the first region 112 are both made into a rectangular solid structure, and the rechargeable battery 2 and the first region 112 can be compactly fitted together.

The heat dissipation bracket 3 is arranged in the second area 113, the air inlet area 12 and the air outlet area 13 are respectively communicated with the second area 113, and the heat dissipation bracket 3 comprises a heat absorption part 31 and a heat dissipation part 32;

Specifically, in the embodiment shown in fig. 4, the heat absorbing portion 31 is substantially formed at a portion where the upper side surface of the heat dissipating bracket 3 contacts the heat generating surface of the semiconductor cooling fin, and the rest of the heat dissipating bracket 3 except for the heat absorbing portion 31 may be regarded as the heat dissipating portion 32. In order to ensure a good heat dissipation effect, the heat dissipation bracket 3 is generally made of a metal material with good heat conduction performance, for example, an aluminum material.

In the working process of the utility model, the heat dissipation bracket 3 is used for dissipating heat of the semiconductor refrigeration piece 4, if the heat dissipation bracket 3 is not cooled in time, the heat dissipation bracket 3 is in a higher temperature state and cannot well dissipate heat of the semiconductor refrigeration piece, so that the refrigeration effect of the semiconductor refrigeration piece is affected, and meanwhile, the accommodating cavity 11 is also in a high temperature state. The air inlet area 12 is communicated with the space where the heat dissipation bracket 3 is located, so that the air at room temperature can be more conveniently subjected to heat exchange with the heat dissipation bracket 3.

A semiconductor cooling plate 4, wherein the rechargeable battery 2 is electrically connected to the semiconductor cooling plate 4, the semiconductor cooling plate 4 is powered by the rechargeable battery 2, a heat-generating surface of the semiconductor cooling plate 4 is connected to the heat absorbing portion 31, and a cooling surface of the semiconductor cooling plate 4 is thermally connected to an inner wall of one of the side surfaces of the housing 1 through a first thermal conductive layer (the first thermal conductive layer will be described below with reference to fig. 5);

An adapting circuit is further required to be arranged between the rechargeable battery 2 and the semiconductor refrigeration piece 4 to adapt the voltage and current suitable for the operation of the semiconductor refrigeration piece 4, so that the semiconductor refrigeration piece 4 can work normally. Since the semiconductor refrigerating sheet 4 is in a heat generating state on one side and in a refrigerating state on the other side during operation. One side of the semiconductor refrigeration piece 4 that generates heat needs to conveniently emit heat to ensure the refrigeration effect of the semiconductor refrigeration piece 4. Therefore, in order to facilitate heat dissipation, the heat-generating surface of the semiconductor cooling plate 4 is thermally connected to the heat-absorbing portion 31, in this embodiment, the heat-absorbing portion 31 may be configured to be flat, so as to contact with the heat-generating surface of the semiconductor cooling plate 4 as much as possible, and may be coated with a coating such as heat-conducting silicone grease for better heat exchange.

The cooling surface of the semiconductor cooling plate 4 is actually used for cooling the handheld electronic device, such as a tablet, a mobile phone, and other electronic products during operation. In the long-time use process of the handheld electronic equipment, a large amount of heat can be generated, if the temperature of the handheld electronic equipment is not timely reduced, the operation smoothness of the handheld electronic equipment is greatly reduced, and the user experience is reduced.

It should be noted that the refrigeration mobile charging power supply 100 of the present utility model is used with a handheld electronic device. Since the present utility model is provided with the rechargeable battery 2, the refrigeration mobile charging power supply 100 and the handheld electronic device of the present utility model can be conveniently carried without being limited by a power cord during use.

In one embodiment, the inner wall of one side of the housing 1 is closely connected with the cooling surface of the semiconductor cooling plate 4, where the side of the housing 1 is a surface in contact with the handheld electronic device, so that the cooling surface of the semiconductor cooling plate 4 can cool the handheld electronic product through the side of the housing 1.

As will be appreciated by those skilled in the art, the side of the housing 1 that contacts the handheld electronic device may be made of a material with good heat conduction performance, and may be made of a metal material or a silica gel material with good heat conduction performance, for example, an aluminum material. And even the surface of the semiconductor refrigerating sheet 4 which is refrigerated is perforated, so that the surface of the semiconductor refrigerating sheet 4 which is refrigerated is directly contacted with the handheld electronic equipment.

A first fan 5a, wherein the first fan 5a is used for radiating heat of the heat radiating part 32;

The first fan 5a may be used to accelerate the heat dissipation of the heat dissipation portion 32, for example, it may directly blow the heat dissipation portion 32 (i.e. blow away the hot air at the heat dissipation channel 322), and as illustrated in fig. 3 and 4, one working mode of the first fan 5a is to blow down (blow toward the bottom of the accommodating cavity 11), the hot air flows down from the heat dissipation channel 322 through the ventilation opening 142, and may also blow up (i.e. blow away from the bottom of the accommodating cavity 11), at this time, due to the effect of the first fan 5a, the airflow on the surface of the heat dissipation portion 32 is accelerated, so as to accelerate the heat exchange of the heat dissipation portion 32, ensure that the heat dissipation portion 32 is in a relatively low temperature state, and maintain the heat dissipation effect of the heat dissipation bracket 3.

And the second fan 5b is used for exhausting air in the air outlet area 13.

Referring to the embodiment shown in fig. 2, 3 and 4, for better exhausting, the air outlet of the second fan 5b faces the air outlet area 13, preferably the second fan 5b is a turbofan, and the turbofan is disposed close to an inner wall of a side surface of the accommodating cavity 11 and is located in the second area 113, and the turbofan has a lateral air inlet 51 and a forward air outlet 52, so that the air in the accommodating cavity 11 is conveniently sucked into the turbofan from the air inlet 51 and is exhausted from the air outlet 52, and finally exhausted through the air outlet area 13 because the air outlet 52 faces the air outlet area 13.

Referring to fig. 4, the heat absorbing portion 31 has a flat structure, the heat dissipating portion 32 is provided with a plurality of heat dissipating fins 321, heat dissipating channels 322 are formed between two adjacent heat dissipating fins 321, the heat dissipating portion 32 is further provided with a fan slot (not shown), and the first fan 5a is installed in the fan slot.

Specifically, in this embodiment, the heat dissipation bracket 3 is generally rectangular, the heat absorbing portion 31 is located at the upper portion, the heat dissipation portion 32 is located at the lower portion, the fan groove may be formed by opening the lower surface of the heat dissipation bracket 3 downward along the positive Z direction, and the fan groove is specifically formed in the heat dissipation portion 32, so when the first fan 5a is installed in the fan groove, the first fan 5a can perform immersion heat dissipation on the heat dissipation bracket 3, that is, all the heat dissipation channels 322 can form an airflow to take away the heat of the heat dissipation portion 32.

Referring to fig. 4, the bottom case 1a is provided with an air inlet area 12 on each of two opposite sides of the X direction, and the two air inlet areas 12 are disposed on two opposite sides of the bottom case 1 a.

Referring to fig. 1 and 4, one end of a side surface of the housing 1 is provided with an air outlet area 13, each air outlet area 13 is provided with a plurality of air outlet holes, and the air outlet 52 of the second fan 5b is opposite to the air outlet area 13. Heat in the accommodating chamber 11 is discharged from the air outlet region 13 with the air flow.

Referring to fig. 2 and 4, the fan further comprises a third fan 6, another air outlet area 13 is arranged at the other end of one side surface of the casing 1, and an air outlet of the third fan 6 faces the other air outlet area 13.

That is, referring to the embodiment shown in fig. 4, two air outlet areas 13 are respectively disposed at two ends of one side surface of the housing 1, and there are two air outlet areas 13.

The second fan 5b and the third fan 6 are arranged in this way, and in the actual use process, the second fan 5b and the third fan 6 can work simultaneously or independently so as to meet different heat dissipation speed requirements.

Specifically, referring to the embodiment shown in fig. 1, both the air outlet areas 13 are disposed on the same side in the Y-axis direction.

Referring to fig. 1, the portable electronic device further comprises at least one charge-discharge interface 7, wherein the at least one charge-discharge interface 7 is arranged on one or more sides of the housing 1.

Specifically, in the embodiment shown in fig. 1, the charge-discharge interface 7 is a TPYE-C interface, and is disposed on the same side of the housing 1 together with the air outlet area 13.

The charge-discharge interface 7 may charge the rechargeable battery 2 or discharge from the rechargeable battery 2 to charge the handheld electronic product.

Referring to fig. 4, the charge and discharge control circuit board 8 is further included, and the charge and discharge control circuit board 8 may be disposed in the first region 112 or the second region 113.

In the embodiment referring to fig. 4, the charge-discharge control circuit board 8 is disposed in the second area 113 and is located near the air outlet area 13 of the bottom case 1 a.

Referring to fig. 4, a wireless charging coil 9 is further included, the rechargeable battery 2 supplies power to the wireless charging coil 9 through the charging and discharging control circuit board 8, and the wireless charging coil 9 is connected to an inner wall of one side surface of the housing 1.

The wireless charging coil 9 shown in fig. 4 is a wireless charging coil without coil metal, and may be configured with coil metal.

Specifically, the wireless charging coil 9 is adapted to the rechargeable battery 2 through the charging and discharging control circuit board 8, and since the wireless charging coil 9 is used for wirelessly charging the handheld electronic device, the wireless charging coil must be disposed as close to or even closely as possible to the inner wall of one of the side surfaces of the housing 1, and the outer wall of the side surface is a connection surface connected to the handheld electronic device, so as to facilitate wireless charging. In the embodiment shown in fig. 4, the wireless charging coil 9 is connected to the inner wall of the upper cover 1b (the upper cover 1b may be considered as one side of the housing 1), and the handheld electronic device is placed on the outer wall of the upper cover 1b for charging and/or cooling.

Referring to fig. 4, the magnetic ring 10 is further included, or a plurality of magnets are circumferentially distributed, and the magnetic ring 10 is connected to the inner wall of one side surface of the housing 1. In the embodiment shown in fig. 4, the magnetic ring 10 is connected to the inner wall of the upper cover 1b (the upper cover 1b may be regarded as one side of the housing 1), and when the handheld electronic device is placed on the outer wall of the upper cover 1b to perform charging and/or cooling, the handheld electronic device is magnetically adsorbed by the magnetic ring 10, so that the handheld electronic device can be kept on the outer wall of the upper cover 1b without sliding off.

Referring to fig. 2 and 4, the heat dissipation bracket further comprises a heat dissipation bracket fixing frame 14, and the heat dissipation bracket 3 is fixed on the heat dissipation bracket fixing frame 14.

More specifically, a limiting frame 141 surrounded by corner posts 140 is disposed on the upper side of the heat dissipating bracket fixing frame 14, the heat dissipating bracket 3 is fixed in the limiting frame 141, and a ventilation opening 142 is provided at the bottom of the limiting frame 141.

Referring to fig. 5, fig. 5 is a schematic diagram illustrating one embodiment of the cooperation of a semiconductor refrigeration sheet, a wireless charging coil, a magnetic ring, and an upper cover. The schematic structural view is that, when seen from the vertical direction, the semiconductor refrigerating sheet 4 is located at the lowest position, and the refrigerated side of the semiconductor refrigerating sheet 4 faces upwards, the wireless charging coil 9 is located above the semiconductor refrigerating sheet 4, the wireless charging coil 9 comprises a coil 9a and a coil metal 9b, in addition, a round hole is formed in the middle of the wireless charging coil 9, the first heat conducting layer 9c is arranged on the round hole, the semiconductor refrigerating sheet 4 is connected with the upper cover 1b through the first heat conducting layer 9c, and the junction between the upper cover 1b and the first heat conducting layer 9c is provided with a second heat conducting layer 1c with good heat conducting performance, more specifically, the second heat conducting layer 1c is an integral structure with the upper cover 1b, and a preferred embodiment of the second heat conducting layer 1c is metal or silica gel with good heat conducting performance.

Further, a magnetic ring 10 is located outside the wireless charging coil 9, and the magnetic ring 10 may be embedded at the inner wall of the upper cover 1 b.

As will be appreciated by those skilled in the art, the preferred embodiment of the first heat conducting layer 9c is an aluminum sheet or stainless steel sheet.

In one embodiment, referring to fig. 2 to 4, a blocking mechanism 16 is provided between the second fan 5b, the third fan 6 and the air intake area 12.

The baffle mechanism 16 can prevent the room temperature air entering from the air inlet area 12 from being directly sucked by the second fan 5b and the third fan 6 and discharged through the air outlet area 13.

Similarly, a blocking mechanism 16 is also disposed between the third fan 6 and the air inlet area 12 on the other side of the bottom case 1a.

In the embodiment shown in fig. 2 and 4, the blocking mechanism 16 is a wind deflector and is formed integrally with the heat sink holder 14.

Referring to fig. 4, the semiconductor refrigerating sheet limiting block 15 made of a plurality of heat insulating materials is further included, the semiconductor refrigerating sheet limiting block 15 is disposed on the heat absorbing portion 31, a plurality of semiconductor refrigerating sheet limiting blocks 15 form a limiting area 151, and the semiconductor refrigerating sheet 4 is disposed in the limiting area 151.

In particular, in the embodiment shown in fig. 4, the semiconductor refrigeration sheet limiting block 15 is made of a rigid foam material, and practically all materials with poor heat conduction properties including the rigid foam material can be used, so that heat exchange on two sides of the semiconductor refrigeration sheet 4 can be limited as much as possible, and meanwhile, the semiconductor refrigeration sheet 4 is limited.

An embodiment of the airflow pattern of the present utility model will be described with reference to fig. 4:

The room temperature air enters from the air inlet area 12 arranged on the bottom shell 1a, and because the air inlet area 12 is communicated with the space where the heat dissipation bracket 3 is located, the room temperature air can conveniently contact with the heat dissipation bracket 3 and exchange heat, more specifically, the room temperature air enters the heat dissipation channel 322 of the heat dissipation bracket 3 and exchanges heat with the heat dissipation fins 321, the first fan 5a has the function of accelerating the heat exchange between the room temperature air and the heat dissipation bracket 3 and blowing the hot air downwards through the ventilation opening 142, at this time, the hot air is limited at the position below the heat dissipation bracket fixing frame 14, and the second fan 5b and/or the third fan 6 absorb the hot air coming out from the ventilation opening 142 and exhaust the hot air through the air outlet area 13.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the scope of the claims, which follow, as defined in the claims.

Claims (10)

1. A refrigeration mobile charging power supply (100), characterized by comprising:

the device comprises a shell (1), wherein an accommodating cavity (11) is formed in the shell (1), the accommodating cavity (11) is at least divided into a first area (112) and a second area (113), and the shell (1) is provided with an air inlet area (12) and an air outlet area (13);

A rechargeable battery (2), wherein the rechargeable battery (2) is accommodated in the first region (112);

The heat dissipation bracket (3), the heat dissipation bracket (3) is arranged in the second area (113), the air inlet area (12) and the air outlet area (13) are respectively communicated with the second area (113), and the heat dissipation bracket (3) comprises a heat absorption part (31) and a heat dissipation part (32);

The semiconductor refrigerating piece (4) is powered by the rechargeable battery (2), one heat-generating surface of the semiconductor refrigerating piece (4) is connected with the heat absorbing part (31) in a heat conduction mode, and one refrigerating surface of the semiconductor refrigerating piece (4) is connected with the inner wall of one side face of the shell (1) in a heat conduction mode;

A first fan (5 a), wherein the first fan (5 a) is used for radiating heat of the heat radiating part (32);

And the second fan (5 b) is used for exhausting air in the air outlet area (13).

2. The refrigeration mobile charging power supply according to claim 1, wherein the heat absorbing portion (31) has a flat structure, the heat dissipating portion (32) is provided with a plurality of heat dissipating fins (321), heat dissipating channels (322) are formed between two adjacent heat dissipating fins (321), the heat dissipating portion (32) is further provided with a fan slot, and the first fan (5 a) is installed in the fan slot.

3. A refrigeration mobile charging power supply according to claim 1, characterized in that one end of a side surface of the housing (1) is provided with an air outlet area (13), the air outlet area (13) is provided with a plurality of air outlet holes, and the air outlet of the second fan (5 b) is opposite to the air outlet area (13).

4. A refrigeration mobile charging power supply according to claim 3, further comprising a third fan (6), wherein the other end of one side surface of the housing (1) is provided with another air outlet area (13), and an air outlet of the third fan (6) is opposite to the other air outlet area (13).

5. A refrigeration mobile charging power supply according to claim 1, characterized in that a barrier mechanism (16) is provided between the second fan (5 b) and the air intake area (12).

6. The refrigeration mobile charging power supply according to claim 1, further comprising a wireless charging coil (9) and a charge-discharge control circuit board (8), wherein the rechargeable battery (2) supplies power to the wireless charging coil (9) through the charge-discharge control circuit board (8), and the wireless charging coil (9) is connected to an inner wall of one of the side surfaces of the housing (1).

7. The refrigeration mobile charging power supply according to claim 1, further comprising a magnetic ring (10) or a plurality of circumferentially distributed magnets, wherein the magnetic ring (10) or the plurality of circumferentially distributed magnets are connected to an inner wall of one of the sides of the housing (1).

8. A refrigeration mobile charging power supply according to claim 1, further comprising a heat-dissipating bracket mount (14), said heat-dissipating bracket (3) being mounted within said housing (1) by said heat-dissipating bracket mount (14).

9. The mobile refrigeration charging power supply according to claim 8, wherein a limit frame (141) surrounded by corner posts is arranged on the upper side of the heat dissipation bracket fixing frame (14), the heat dissipation bracket (3) is fixed in the limit frame (141), and a ventilation opening (142) is formed in the bottom of the limit frame (141).

10. The refrigeration mobile charging power supply according to claim 1, further comprising a plurality of semiconductor refrigeration piece limiting blocks (15) made of heat insulation materials, wherein the semiconductor refrigeration piece limiting blocks (15) are arranged on the heat absorbing part (31), a limiting area (151) is formed by the plurality of semiconductor refrigeration piece limiting blocks (15), and the semiconductor refrigeration piece (4) is arranged in the limiting area (151).