CN220475438U - Novel air-cooled semiconductor-cooling-combined magnetic-attraction vehicle-mounted wireless charging module - Google Patents

Abstract

The utility model relates to a novel air-cooled semiconductor-combined magnetic-attraction vehicle-mounted wireless charging module, which comprises an upper cover and a base, wherein a heat dissipation plate is arranged between the upper cover and the base, a semiconductor refrigeration sheet is arranged on the heat dissipation plate, a magnetic-attraction charging assembly is covered on the semiconductor refrigeration sheet, an elastic piece is arranged between an outward-folded edge structure arranged at the bottom of the magnetic-attraction charging assembly and the heat dissipation plate, a step hole for the magnetic-attraction charging assembly to pass through is arranged at a position of the upper cover corresponding to the magnetic-attraction charging assembly, and the bottom of the step hole is abutted with an outward-folded edge to seal the step hole; the left side portion of heating panel has seted up the ventilation hole, and fan subassembly is installed to the bottom in ventilation hole, the heating panel is connected with the upper cover cooperation and is made the communication chamber between fan subassembly and the magnetism suction charging assembly. According to the utility model, the elastic piece is arranged to enable the upper cover and the magnetic charging assembly to be matched to form the hidden air outlet, so that foreign matters can be prevented from entering the wireless charging module, liquid and foreign matters are prevented from damaging equipment, and the structure is compact and ingenious.

Description

Novel air-cooled semiconductor-cooling-combined magnetic-attraction vehicle-mounted wireless charging module

Technical Field

The utility model relates to the field of wireless charging, in particular to a novel magnetic-attraction vehicle-mounted wireless charging module with air cooling combined with semiconductor heat dissipation.

Background

The wireless charging is convenient and safe, and potential safety hazards such as electric leakage are thoroughly avoided due to the fact that a cable charger is not arranged, so that currently more and more mobile equipment products designed by enterprises are added into a row and column of a wireless charging technology, and the wireless charging function is achieved.

After the wireless charging power is allowed to rise from 50W to 80W, the heat dissipation power of the wireless charging module and the device to be charged can be multiplied, and when the mobile device with a high-power wireless charging function is charged, the problem that the temperature is too high is an urgent need to be solved. The temperature is too high, the serious safety problem of using an electronic product can occur, the temperature protection of a device system is triggered slightly, the charging efficiency is reduced, the purpose of reducing the temperature is achieved, the safety of the device is ensured, and the use experience is greatly reduced. In the prior art, a wireless charging radiating mode is mainly a radiating mode of a semiconductor refrigeration matched with a fan for active air cooling, an air hole is required to be opened on the vehicle-mounted wireless charging surface, and air quantity is led to the side of equipment to be charged, so that heat is radiated for the equipment to be charged and the like. However, in the use, various debris such as water, beverage, biscuit piece get into wireless module inside charging from the ventilation hole by accident easily, bring the short circuit risk to hardly clean up, the piece can cause the damage to the fan, thereby makes wireless module trouble not work, needs to change with wasting time and energy to professional place, and the ventilation hole is opened on the interior trim part surface, influences pleasing to the eye.

Disclosure of Invention

The utility model provides a novel magnetic vehicle-mounted wireless charging module with air cooling combined with semiconductor heat dissipation, which can prevent foreign matters from entering the wireless charging module, prevent liquid and foreign matters from damaging equipment, and has compact and ingenious structure.

In order to achieve the above object, the following technical solutions are adopted.

The utility model discloses a novel air-cooled semiconductor-heat-dissipation magnetic-attraction vehicle-mounted wireless charging module, which comprises an upper cover and a base, wherein a heat dissipation plate is arranged between the upper cover and the base, a semiconductor refrigeration sheet is arranged on the heat dissipation plate, a magnetic-attraction charging assembly is covered on the semiconductor refrigeration sheet and comprises a heat conduction shell, an outward turning edge is arranged at the bottom of the outer circumference of the heat conduction shell, an elastic piece is arranged between the edge position of the bottom of the heat conduction shell and the heat dissipation plate, a step hole for the magnetic-attraction charging assembly to pass through is arranged at the position, corresponding to the heat conduction shell, of the upper cover, and the bottom of the step hole is abutted with the outward turning edge to seal the step hole; the left side portion of heating panel has seted up the ventilation hole, fan subassembly is installed to the bottom in ventilation hole, the heating panel is connected with the upper cover cooperation and is made the fan subassembly and inhale between the charging assembly and form the intercommunication chamber.

According to the technical scheme, the heat dissipation plate has the heat dissipation effect of conducting heat to the peripheral side, meanwhile, the heat dissipation plate is arranged between the upper cover and the base and is used as a fixing frame to have the supporting effect, the surface of the heat dissipation plate is provided with the semiconductor refrigerating piece, the upper surface of the semiconductor refrigerating piece is in contact with the magnetic charging assembly for refrigerating, the temperature of the magnetic charging assembly and the temperature of equipment to be charged placed on the magnetic charging assembly are reduced by refrigerating, then the heat generated in the refrigerating process of the semiconductor refrigerating piece is dissipated through the contact of the lower surface of the semiconductor refrigerating piece and the heat dissipation plate, the bottom surface of the left side part of the heat dissipation plate is connected with the fan assembly, the fan assembly provides a flowing wind source for wireless charging equipment, the heat of the heat dissipation plate and the internal assembly is taken away through the flowing wind source, the equipment to be charged is placed on the heat conduction shell of the magnetic charging assembly, due to the effect of gravity, the elastic piece between the outward turning edge and the heat dissipation plate is contracted by gravity until the equipment to be charged is compressed to the length of the step hole when the elastic piece is in the same plane with the upper cover, the outward moving downwards, the heat extending from the step hole is separated from the step hole, the outward turning edge is separated from the step hole, the heat is enabled to be in contact with the heat conduction ring and the heat dissipation cavity of the equipment to be communicated with the heat dissipation cavity through the semiconductor charging assembly, and the heat dissipation cavity is formed by the heat dissipation ring, and the heat dissipation device is communicated with the heat dissipation cavity through the heat exchange cavity; in this scheme, will wait to charge equipment and place before the magnetism and inhale the charging module, magnetism is inhaled the charging module and is received the elasticity of bottom elastic component and make the valgus hem and be connected with the contact cooperation of step hole for wireless charging equipment surface is in closed state with the external world, will wait to charge equipment and place on magnetism and inhale the charging module thereupon, the intercommunication chamber is opened under the action of gravity and is made to wait to charge equipment border and appear annular wind gap, fan assembly dispels the heat through annular wind gap to treat the border of charging equipment, after waiting to charge equipment is removed, under the effect of elastic component, the wind gap resets and closes, can prevent that the foreign matter from getting into inside the wireless charging module, prevent liquid, the foreign matter damages wireless charging module, and the setting up of elastic component can make heat conduction shell and wait to charge equipment's back in close contact, reduce thermal resistance and comdenstion water production, increase and wait to charge equipment and magnetism inhale between the charging module, it can be attached to magnetism to inhale on the charging module to wait to charge equipment to be stable, it is because of the car rocks and causes the emergence of the circumstances such as break or drop to wait to charge equipment, and user experience improves charging efficiency.

Further, the heat dissipation plate is provided with a first stop wall outside the ventilation opening, a second stop wall is arranged at a position corresponding to the first stop wall on the upper cover, and the first stop wall and the second stop wall are connected in a matched mode to form a communication cavity.

In the technical scheme, the magnetic charging assembly and the ventilation opening are connected in a matched mode through the first blocking wall and the second blocking wall to form the communication cavity, so that the wind source generated during the operation of the fan assembly directly acts on the to-be-charged equipment and the semiconductor refrigerating sheets at the upper end and the lower end of the magnetic charging assembly, and the mechanical efficiency of air cooling of the fan assembly is improved.

Further, an air suction port is formed in the base, and the fan assembly is located above the air suction port.

In the above technical scheme, the inlet scoop is located the below of fan subassembly, and the fan subassembly during operation carries out the convection current through the inlet scoop to the wind regime, further drives the air flow near the main heat generation source of equipment that waits to charge, greatly improves air convection heat transfer coefficient, combines the mode that induced drafts carries out forced air cooling and semiconductor refrigeration piece and carries out the cold volume, and the high efficiency reduces the equipment that waits to charge and charges the temperature rise, has guaranteed availability factor and security.

Further, the heating panel is the rectangle structure that comprises left side portion and right side portion, the right side portion bottom of heating panel is equipped with a plurality of radiating fins, radiating fins's below is equipped with PCBA circuit board, PCBA circuit board is connected with the bottom of fan subassembly one side, horizontal air outlet has been seted up to the side of fan subassembly in the top that is connected with PCBA circuit board, the semiconductor refrigeration piece is located the heating panel right side portion upper surface in the corresponding position of radiating fin top.

In the above technical scheme, radiating fin can improve the radiating efficiency of heating panel, is equipped with the PCBA circuit board of installing on fan subassembly in radiating fin below, through setting up horizontal air outlet in fan subassembly one side, can carry out the forced air cooling heat dissipation to heating panel and PCBA circuit board in step, and structural design's compactness is ingenious, compares traditional on-vehicle wireless module PCBA circuit board natural heat dissipation mode that fills, and initiative heat dissipation mode can greatly reduce components and parts temperature, extension wireless charging equipment life and stability, lays the foundation for the wireless module heat dissipation scheme of charging of follow-up high-power 80W.

Further, a heat dissipation channel is formed between the PCBA plate and the heat dissipation fins, and a heat dissipation opening is formed in one side, far away from the fan assembly, of the heat dissipation channel of the base.

In the above technical scheme, the fan subassembly works and blows out cold wind through horizontal air outlet, cold wind regime gets into in the heat dissipation passageway of PCBA circuit board and heating panel to discharge the heat by the thermovent heat dissipation passageway, cool down PCBA circuit board and heating panel through the cold wind regime that flows in the heat dissipation passageway, improved the heat dissipation effect of heating panel greatly and greatly reduced the temperature of PCBA circuit board, prolonged wireless charging equipment's life and improved the charging efficiency who waits for charging equipment.

Further, a plurality of elastic pieces are arranged at the bottom of the everting edge along the circumferential direction, guide posts are arranged at the bottoms of the everting edge and positioned in the elastic pieces, guide holes are formed in positions, corresponding to the annular step guide posts, of the radiating plates, the guide posts are slidably connected in the guide holes, and the elastic pieces are abutted to the radiating plates outside the guide holes.

In the above technical scheme, the outer turnup side bottom is equipped with a plurality of elastic components, the elastic component has the supporting role to the magnetism and inhale the subassembly that charges, encircles the circumference and sets up a plurality of elastic components and provide stable supporting elasticity for the magnetism and inhale the subassembly that charges to promote magnetism and inhale the subassembly closely and paste tightly and wait to charge equipment, increase the frictional force of waiting to charge equipment and magnetism and inhale between the subassembly, make the waiting that charges equipment that does not take magnetism can stabilize and attach on the magnetism and inhale the subassembly equally, thereby avoided appearing waiting that the possibility that the charging equipment is charged absolutely, also can reduce thermal resistance and reduce the production of comdenstion water simultaneously, make charging efficiency higher, through the guiding hole on the heating panel and the direction cooperation of the guide post of turning up hem bottom, make the elastic component do not take place the skew when contracting down, make wireless charging equipment's structure more stable, make magnetism inhale the subassembly and put and wait to charge equipment and stably appear being used for radiating annular wind gap when waiting to charge equipment.

Further, a magnetic coil assembly and a bottom cover are arranged in the magnetic charging assembly, the bottom cover covers the bottom of the heat conducting shell, and the surface and the bottom surface of the magnetic coil assembly are respectively connected with the heat conducting shell and the bottom cover.

In the above technical scheme, heat conduction shell and bottom are the material that the heat conduction is good, the magnetism is inhaled the coil assembly and is connected through contacting with heat conduction shell and bottom, can inhale the heat that waits the battery charging outfit on the charging assembly with magnetism and shift to the place that the heat is low by the place that the heat is high and dispel the heat.

Further, the magnetic coil assembly comprises a magnetic ring and a coil, the bottom cover is provided with a magnetic ring groove and a coil groove, the magnetic ring is arranged in the magnetic ring groove through a metal retainer ring, and the coil is arranged in the coil groove through a magnetism isolating sheet.

In the technical scheme, the magnetic ring provides a magnetic attraction function, equipment to be charged with the magnetic attraction function is firmly arranged on the magnetic attraction charging assembly, contact is good, contact thermal resistance can be reduced, and the utilization rate of cold energy provided by the semiconductor refrigerating sheet below is fully improved; the coil realizes a wireless charging function through magneto-electric conversion; the metal retainer ring has a protective supporting function on the magnetic ring, the magnetism isolating sheet can reduce magnetic field loss generated by the coil, the magnetic field is emitted to the equipment to be charged as much as possible, and the PING efficiency and stability are improved; the magnetic coil assembly is arranged on the bottom cover and is contacted with the bottom cover to dissipate heat.

Further, the inside heat conduction subassembly that still is equipped with of charging module is inhaled to magnetism, heat conduction subassembly includes first heat conduction silica gel and second heat conduction silica gel, first heat conduction silica gel is located the coil and installs on the magnetism isolating sheet, second heat conduction silica gel bottom surface and first heat conduction silica gel surface and coil surface butt, second heat conduction silica gel surface and the inside butt of heat conduction shell.

In the above technical scheme, heat conduction subassembly has good heat conductivility, through first heat conduction silica gel bottom surface and second heat conduction silica gel and coil contact, first heat conduction silica gel surface and the inside bottom surface contact of heat conduction shell, through heat conduction subassembly is inhaled magnetism and is connected in contact with the subassembly is inside again for heat is higher, more rapid in inside transmission and transfer's efficiency.

Compared with the prior art, the novel magnetic-attraction vehicle-mounted wireless charging module with air cooling combined with semiconductor heat dissipation has the following beneficial effects:

according to the novel air-cooled and semiconductor-heat-dissipation-combined magnetic-suction vehicle-mounted wireless charging module, the magnetic-suction charging assembly is connected with the heat dissipation plate through the elastic piece, the magnetic-suction charging assembly is abutted with the step hole formed in the upper cover under the action of elastic force to form the hidden air outlet, the equipment to be charged is placed on the magnetic-suction charging assembly, the equipment to be charged enables the magnetic-suction charging assembly to move downwards under the action of gravity, the air outlet is opened, the fan assembly can dissipate heat of the equipment to be charged through the air outlet, the battery temperature is reduced, and the service life of the equipment is prolonged; after the equipment to be charged is removed, the magnetic charging assembly moves upwards to reset under the action of the elastic piece, so that the air outlet is closed, foreign matters can be prevented from entering the wireless charging module, and liquid and foreign matters are prevented from damaging the wireless charging module; and the setting of elastic component can make magnetism inhale charging assembly and wait the back in close contact with of charging equipment, makes the equipment that waits that does not take magnetism inhale charging assembly on also can stabilizing attached to magnetism, increases and wait to charge equipment and wireless module frictional force that fills, reduces and waits that charging equipment rocks and causes the condition of breaking to charge, can reduce thermal resistance and charging surface comdenstion water production simultaneously, improves charging efficiency and user experience.

Drawings

FIG. 1 is an exploded view of a novel air-cooled semiconductor heat dissipation magnetic vehicle-mounted wireless charging module according to the present utility model;

FIG. 2 is an exploded view of the magnetically attractable charging assembly of the present utility model;

FIG. 3 is a top view of a novel air-cooled semiconductor heat dissipation magnetic vehicle-mounted wireless charging module according to the present utility model;

FIG. 4 is a top view of the combination of the present utility model and a device to be charged;

FIG. 5 is a cross-sectional view A-A of FIG. 3;

FIG. 6 is a sectional view B-B of FIG. 4;

fig. 7 is an enlarged view of a portion C of fig. 5;

fig. 8 is an enlarged view of a portion D of fig. 6.

Reference numerals illustrate: 1-an upper cover; 2-a base; 3-a heat dissipation plate; 4-a fan assembly; 5-semiconductor refrigerating sheets; 6-magnetic charging assembly; 7-PCBA circuit board; 8-equipment to be charged; 9-annular tuyere; 10-communicating the cavity; 11-step holes; 12-a second stop wall; 21-an air suction port; 22-heat dissipation port; 31-a guide hole; 32-vent holes; 33-heat dissipation channels; 34-radiating fins; 35-a first stop wall; 41-a transverse air outlet; 61-a thermally conductive housing; 611-everting the hem; 612-an elastic member; 613-a guide post; 62-a thermally conductive assembly; 621-a first thermally conductive silicone; 622-a second thermally conductive silicone; 63-a magnetic ring; 64-metal retainer rings; 65-coil; 66-magnetism isolating sheet; 67-bottom cover; 671-magnetic ring groove; 672-coil slots.

Detailed Description

The utility model relates to a novel magnetic vehicle-mounted wireless charging module with air cooling and semiconductor heat dissipation, which is further described in detail below with reference to specific embodiments and drawings.

Referring to fig. 1 to 8, in a non-limiting embodiment of the present utility model, a novel air-cooled combined semiconductor heat dissipation magnetic attraction vehicle-mounted wireless charging module includes an upper cover 1 and a base 2, a heat dissipation plate 3 is disposed between the upper cover 1 and the base 2, a semiconductor refrigeration sheet 5 is disposed on the heat dissipation plate 3, the upper cover 1 of the semiconductor refrigeration sheet 5 is combined with a magnetic attraction charging assembly 6, the magnetic attraction charging assembly 6 includes a heat conduction shell 61, an outward turned edge 611 is disposed at the bottom of the outer circumference of the heat conduction shell 61, an elastic member 612 is disposed between the edge position of the bottom of the heat conduction shell 61 and the heat dissipation plate 3, a step hole 11 through which the magnetic attraction charging assembly 6 passes is disposed at the position of the upper cover 1 corresponding to the heat conduction shell 61, and the bottom of the step hole 11 is abutted with the outward turned edge 611 to seal the step hole 11; the left side portion of heating panel 3 has seted up ventilation hole 32, fan subassembly 4 is installed to the bottom of ventilation hole 32, heating panel 3 and upper cover 1 cooperation are connected and are made the communication chamber 10 between fan subassembly 4 and the magnetism and inhale charging assembly 6. In the above technical solution, the heat dissipating plate 3 has a heat dissipating function of conducting heat to the peripheral side, and is simultaneously disposed between the upper cover 1 and the base 2 as a fixing frame to have a supporting function, the surface of the heat dissipating plate 3 is provided with the semiconductor refrigerating sheet 5, the upper surface of the semiconductor refrigerating sheet 5 contacts with the magnetic charging assembly 6 to perform refrigeration, the refrigeration reduces the temperature of the magnetic charging assembly 6 and the device 8 to be charged disposed on the magnetic charging assembly 6, then the lower surface of the semiconductor refrigerating sheet 5 contacts with the heat dissipating plate 3 to dissipate heat generated in the refrigerating process of the semiconductor refrigerating sheet 5, the bottom surface of the left side of the heat dissipating plate 3 is connected with the fan assembly 4, the fan assembly 4 provides a flowing air source for the wireless charging device, the heat dissipating plate 3 and the internal assembly are taken away by the flowing air source, the device 8 to be charged is disposed on the heat conducting shell 61 of the magnetic charging assembly 6, and the elastic member 612 between the external turning-over edge 611 and the heat dissipating plate 3 is contracted by gravity until the elastic member 612 to be charged 8 is compressed by gravity until the surface of the shell 61 is in the same plane as the upper cover 1, the heat conducting ring 11 is separated from the heat conducting ring 8 by the heat conducting ring 10, and the heat conducting ring 11 is formed by the heat conducting ring 10 which is connected with the heat conducting device to the external-transferring device through the heat conducting ring 8, and the heat conducting ring 11 is connected with the heat conducting device through the heat conducting ring 10 in the heat conducting cavity; in this scheme, will wait to charge equipment 8 and place before the magnetism and inhale charging module 6, magnetism is inhaled charging module 6 and is contacted the cooperation with step hole 11 by the elasticity of bottom elastic component 612 and is connected for wireless charging equipment surface is in the confined state with the external world, will wait to charge equipment 8 and place on magnetism is inhaled charging module 6 with it, the intercommunication chamber 10 is opened under the action of gravity and is made to wait to charge equipment 8 border and appear annular wind gap 9, fan assembly 4 dispels the heat through annular wind gap 9 and treat the border of charging equipment 8, after removing waiting to charge equipment 8, under the effect of elastic component 612, the wind gap resets and closes, can prevent that the foreign matter from getting into inside the wireless charging module, prevent that liquid, foreign matter from damaging the wireless charging module, and elastic component 612 can make heat conduction shell 61 and wait the back in close contact of charging equipment 8, reduce thermal resistance and comdenstion water production, increase and wait to charge equipment 8 and the magnetism and inhale the frictional force between the charging module 6, it is to wait to charge equipment 8 and be attached to magnetism to inhale on the charging module 6 to make and wait to charge equipment 8 to take place to hold the magnetism to inhale the effect steadily simultaneously, it causes the condition that to break or drop because of the car shakes to take place to wait to charge equipment 8, efficiency and user experience improvement.

Referring to fig. 1 to 8, in a non-limiting embodiment of the present utility model, a first stop wall 35 is disposed on the outer side of the vent of the heat dissipation plate 3, a second stop wall 12 is disposed at a position corresponding to the first stop wall 35 on the upper cover 1, and the first stop wall 35 and the second stop wall 12 are cooperatively connected to form a communication cavity 10. In the above technical scheme, the magnetic charging assembly 6 and the ventilation opening are connected in a matched manner through the first stop wall 35 and the second stop wall 12 to form the communication cavity 10, so that the wind source generated during the operation of the fan assembly 4 directly acts on the to-be-charged equipment 8 and the semiconductor refrigerating sheets 5 at the upper end and the lower end of the magnetic charging assembly 6, and the mechanical efficiency of air cooling of the fan assembly 4 is improved. In this embodiment, the first retaining wall 35 and the second retaining wall 12 are both U-shaped retaining walls, and a U-shaped channel leading to the magnetic charging assembly 6 is formed by the two retaining walls cooperating with each other.

Referring to fig. 1 to 8, in a non-limiting embodiment of the present utility model, the base 2 is provided with an air intake 21, and the fan assembly 4 is located above the air intake 21. In the above technical scheme, the air suction port 21 is located below the fan assembly 4, and when the fan assembly 4 works, the air suction port 21 is used for convection of the air source, so that the air near the main heat source of the equipment 8 to be charged is further driven to flow, the air convection heat exchange coefficient is greatly improved, the air suction is combined for air cooling and the semiconductor refrigerating sheet 5 is used for refrigerating, the charging temperature rise of the equipment 8 to be charged is effectively reduced, and the use efficiency and the safety are guaranteed.

Referring to fig. 1 to 8, in a non-limiting embodiment of the present utility model, the heat dissipation plate 3 has a rectangular structure formed by a left side portion and a right side portion, a plurality of heat dissipation fins 34 are disposed at the bottom of the right side portion of the heat dissipation plate 3, a PCBA circuit board 7 is disposed below the heat dissipation fins 34, the PCBA circuit board 7 is connected with the bottom of one side of the fan assembly 4, a lateral air outlet 41 is disposed above the side of the fan assembly 4 connected with the PCBA circuit board 7, and the semiconductor refrigeration sheet 5 is disposed on the upper surface of the right side portion of the heat dissipation plate 3 at a corresponding position above the heat dissipation fins 34. In the above technical scheme, radiating fin 34 can improve the radiating efficiency of heating panel 3, be equipped with the PCBA circuit board 7 of installing on fan subassembly 4 in radiating fin 34 below, through setting up horizontal air outlet 41 in fan subassembly 4 one side, can carry out forced air cooling heat dissipation to heating panel 3 and PCBA circuit board 7 in step, structural design's compactness is ingenious, compare traditional on-vehicle wireless module PCBA circuit board 7 natural heat dissipation mode of filling, the initiative heat dissipation mode can greatly reduce components and parts temperature, extension wireless charging equipment life and stability, lay the foundation for follow-up high-power 80W wireless module heat dissipation scheme.

Referring to fig. 1 to 8, in a non-limiting embodiment of the present utility model, a heat dissipation channel 33 is formed between the PCBA board and the heat dissipation fins 34, and the heat dissipation opening 22 is formed on a side of the heat dissipation channel 33 away from the fan assembly 4 of the base 2. In the above technical scheme, the fan assembly 4 works to blow out cold air through the transverse air outlet 41, the cold air source enters the heat dissipation channel 33 of the PCBA circuit board 7 and the heat dissipation plate 3, heat is discharged out of the heat dissipation channel 33 through the heat dissipation opening 22, the PCBA circuit board 7 and the heat dissipation plate 3 are cooled by the cold air source flowing in the heat dissipation channel 33, the heat dissipation effect of the heat dissipation plate 3 is greatly improved, the temperature of the PCBA circuit board 7 is greatly reduced, the service life of the wireless charging equipment is prolonged, and the charging efficiency of the equipment 8 to be charged is improved.

Referring to fig. 1 to 8, in a non-limiting embodiment of the present utility model, a plurality of elastic members 612 are disposed at the bottom of the outward turning edge 611 along the circumferential direction, guide posts 613 are disposed in the elastic members 612 at the bottom of the outward turning edge 611, guide holes 31 are disposed at positions of the heat dissipation plate 3 corresponding to the annular step guide posts 613, the guide posts 613 are slidably connected in the guide holes 31, and the elastic members 612 are abutted against the heat dissipation plate 3 outside the guide holes 31. In the above technical scheme, the bottom surface of the outward turning edge 611 is provided with a plurality of elastic pieces 612, the elastic pieces 612 have a supporting effect on the magnetic charging assembly 6, a plurality of elastic pieces 612 are arranged around the circumference to provide more stable supporting elastic force for the magnetic charging assembly 6, and push the magnetic charging assembly 6 to tightly adhere to the equipment 8 to be charged, so that the friction force between the equipment 8 to be charged and the magnetic charging assembly 6 is increased, the equipment 8 to be charged without magnetism can be stably adhered to the magnetic charging assembly 6, the possibility of the disconnection of the equipment 8 to be charged is avoided, meanwhile, the generation of thermal resistance and condensed water can be reduced, the charging efficiency is higher, the elastic pieces 612 do not deviate when contracting downwards through the guide cooperation of the guide holes 31 on the heat dissipation plate 3 and the guide posts 613 at the bottom of the outward turning edge 611, the structure of the wireless charging equipment is more stable, and the annular air port 9 for heat dissipation is stably generated when the equipment 8 to be charged is placed on the magnetic charging assembly 6.

Referring to fig. 1 to 8, in a non-limiting embodiment of the present utility model, a magnetic coil assembly and a bottom cover 67 are disposed in the magnetic charging assembly 6, the bottom cover 67 covers the bottom of the heat conductive housing 61, and the surface and the bottom surface of the magnetic coil assembly are respectively connected to the heat conductive housing 61 and the bottom cover 67. In the above technical solution, the heat conducting housing 61 and the bottom cover 67 are both made of materials with good thermal conductivity, and the magnetic coil assembly is in contact connection with the heat conducting housing 61 and the bottom cover 67, so that heat of the to-be-charged device 8 on the magnetic charging assembly 6 can be transferred from a place with high heat quantity to a place with low heat quantity for heat dissipation.

Referring to fig. 1 to 8, in a non-limiting embodiment of the present utility model, the magnetic coil assembly includes a magnetic ring 63 and a coil 65, the bottom cover 67 is provided with a magnetic ring groove 671 and a coil groove 672, the magnetic ring 63 is installed in the magnetic ring groove 671 through a metal retainer ring 64, and the coil 65 is installed in the coil groove 672 through a magnetism isolating sheet 66. In the above technical solution, the magnetic ring 63 provides a magnetic attraction function, so that the to-be-charged device 8 with the magnetic attraction function is firmly fixed on the magnetic attraction charging assembly 6, and the contact is good, so that the contact thermal resistance can be reduced, and the utilization rate of the cold energy provided by the semiconductor refrigeration piece 5 below is fully improved; the coil 65 realizes a wireless charging function through magneto-electric conversion; the metal retainer ring 64 has a protective supporting function on the magnetic ring 63, the magnetism isolating sheet 66 can reduce the magnetic field loss generated by the coil 65, and the magnetic field is emitted to the equipment 8 to be charged as much as possible, so that the PING efficiency and stability are improved; the heat dissipation is performed by mounting the magnetic coil assembly on the bottom cover 67 and by contacting the bottom cover 67.

Referring to fig. 1 to 8, in a non-limiting embodiment of the present utility model, a heat conducting component 62 is further disposed inside the magnetic charging component 6, the heat conducting component 62 includes a first heat conducting silica gel 621 and a second heat conducting silica gel 622, the first heat conducting silica gel 621 is located in the coil 65 and is mounted on the magnetism isolating sheet 66, the bottom surface of the second heat conducting silica gel 622 is abutted to the surface of the first heat conducting silica gel 621 and the surface of the coil 65, and the surface of the second heat conducting silica gel 622 is abutted to the inside of the heat conducting casing 61. In the above technical solution, the heat conducting component 62 has good heat conducting performance, the bottom surface of the first heat conducting silica gel 621 contacts with the second heat conducting silica gel 622 and the coil 65, the surface of the first heat conducting silica gel 621 contacts with the bottom surface inside the heat conducting shell 61, and the heat conducting component 62 contacts and connects the inside of the magnetic attraction re-component, so that the heat is transferred and transferred more efficiently and more rapidly inside.

Referring to fig. 1 to 8, the utility model relates to a working principle of a novel air-cooled semiconductor heat dissipation magnetic attraction vehicle-mounted wireless charging module:

the device to be charged 8 is placed on the magnetic charging device for charging, the magnetic charging device moves downwards for a certain distance under the action of gravity of the device to be charged 8 and is in contact with the semiconductor refrigerating sheet 5 below, the semiconductor refrigerating sheet 5 cools the magnetic charging device and the device to be charged 8 through refrigerating surfaces, and then the semiconductor refrigerating sheet 5 transfers heat to the bottom radiating plate 3; the magnetic charging assembly 6 moves downwards under the action of gravity of the equipment 8 to be charged and is separated from the step hole 11 of the upper cover 1, a communication cavity 10 is formed between the equipment 8 to be charged and the fan assembly 4, and the fan assembly 4 synchronously cools the equipment 8 to be charged, the semiconductor refrigerating sheet 5, the heat dissipation plate 3 positioned on the side edge of the fan assembly and the PCBA circuit board 7 through flowing wind sources by the work of the fan assembly 4.

In the description of the present utility model, it should be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing examples are merely exemplary embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and that these obvious alternatives fall within the scope of the utility model.

Claims (9)

1. The utility model provides a novel on-vehicle wireless module that fills is inhaled to forced air cooling combination semiconductor radiating magnetism, includes upper cover and base, be equipped with the heating panel between upper cover and the base, be equipped with semiconductor refrigeration piece on the heating panel, its characterized in that: the semiconductor refrigerating sheet is covered with a magnetic charging assembly, the magnetic charging assembly comprises a heat-conducting shell, an outward turning edge is arranged at the bottom of the outer circumference of the heat-conducting shell, an elastic piece is arranged between the edge position of the bottom of the heat-conducting shell and the heat-radiating plate, a step hole for the magnetic charging assembly to pass through is formed in the position, corresponding to the heat-conducting shell, of the upper cover, and the bottom of the step hole is abutted to the outward turning edge to enable the step hole to be closed; the left side portion of heating panel has seted up the ventilation hole, fan subassembly is installed to the bottom in ventilation hole, the heating panel is connected with the upper cover cooperation and is made the fan subassembly and inhale between the charging assembly and form the intercommunication chamber.

2. The novel air-cooled semiconductor-combined magnetic-attraction vehicle-mounted wireless charging module as claimed in claim 1, wherein: the heat dissipation plate is located the vent outside and is equipped with first retaining wall, upper cover and first retaining wall correspond the position and are equipped with the second retaining wall, first retaining wall and second retaining wall cooperation are connected and are formed the intercommunication chamber.

3. The novel air-cooled semiconductor-combined magnetic-attraction vehicle-mounted wireless charging module as claimed in claim 2, wherein: the base is provided with an air suction port, and the fan assembly is positioned above the air suction port.

4. The novel air-cooled semiconductor-combined magnetic-attraction vehicle-mounted wireless charging module according to claim 3, wherein the novel air-cooled semiconductor-combined magnetic-attraction vehicle-mounted wireless charging module is characterized in that: the heat dissipation plate is of a rectangular structure formed by a left side part and a right side part, a plurality of heat dissipation fins are arranged at the bottom of the right side part of the heat dissipation plate, a PCBA circuit board is arranged below the heat dissipation fins, the PCBA circuit board is connected with the bottom of one side of the fan assembly, a transverse air outlet is formed in the side edge of the fan assembly above the fan assembly, which is connected with the PCBA circuit board, and the semiconductor refrigerating sheet is arranged on the upper surface of the right side part of the heat dissipation plate at the corresponding position above the heat dissipation fins.

5. The novel air-cooled semiconductor-combined magnetic-attraction vehicle-mounted wireless charging module as claimed in claim 4, wherein: a heat dissipation channel is formed between the PCBA circuit board and the heat dissipation plate, and a heat dissipation opening is formed in one side, far away from the fan assembly, of the base.

6. The novel air-cooled semiconductor-combined magnetic-attraction vehicle-mounted wireless charging module as claimed in claim 1, wherein: the bottom of the everting edge is provided with a plurality of elastic pieces along the circumferential direction, the bottom of the everting edge is provided with guide posts in the elastic pieces, the positions of the heat dissipation plate corresponding to the guide posts of the everting edge are provided with guide holes, the guide posts are slidably connected in the guide holes, and the elastic pieces are abutted to the heat dissipation plate outside the guide holes.

7. The novel air-cooled semiconductor-combined magnetic-attraction vehicle-mounted wireless charging module as claimed in claim 6, wherein: the magnetic charging device is characterized in that a magnetic coil assembly and a bottom cover are arranged in the magnetic charging assembly, the bottom cover is covered on the bottom of the heat conducting shell, and the surface and the bottom surface of the magnetic coil assembly are respectively connected with the heat conducting shell and the bottom cover.

8. The novel air-cooled semiconductor-combined magnetic-attraction vehicle-mounted wireless charging module as claimed in claim 7, wherein: the magnetic coil assembly comprises a magnetic ring and a coil, wherein the bottom cover is provided with a magnetic ring groove and a coil groove, the magnetic ring is arranged in the magnetic ring groove through a metal retainer ring, and the coil is arranged in the coil groove through a magnetism isolating sheet.

9. The novel air-cooled semiconductor-combined magnetic-attraction vehicle-mounted wireless charging module as claimed in claim 8, wherein: the magnetic charging assembly is characterized in that the heat conducting assembly is further arranged inside the magnetic charging assembly and comprises first heat conducting silica gel and second heat conducting silica gel, the first heat conducting silica gel is arranged on the magnetic isolation sheet in the coil, the bottom surface of the second heat conducting silica gel is in butt joint with the surface of the first heat conducting silica gel and the surface of the coil, and the surface of the second heat conducting silica gel is in butt joint with the inner part of the heat conducting shell.