CN108988436A - A kind of wireless charging device and control method - Google Patents

A kind of wireless charging device and control method Download PDF

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Publication number
CN108988436A
CN108988436A CN201810982474.9A CN201810982474A CN108988436A CN 108988436 A CN108988436 A CN 108988436A CN 201810982474 A CN201810982474 A CN 201810982474A CN 108988436 A CN108988436 A CN 108988436A
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CN
China
Prior art keywords
module
wireless charging
charging device
voltage
refrigeration
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CN201810982474.9A
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Chinese (zh)
Inventor
张文成
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to CN201810982474.9A priority Critical patent/CN108988436A/en
Publication of CN108988436A publication Critical patent/CN108988436A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating

Abstract

The embodiment of the invention discloses a kind of wireless charging device and control methods, are related to field of communication technology, and the thermal diffusivity to solve the problems, such as wireless charging device is bad.The device includes: pedestal, the refrigeration module being set on the pedestal and the charging module being set on the refrigeration module；The refrigeration module includes the second substrate of the first substrate and base contacts contacted with the charging module and the first electric conductor of at least a pair being set between the first substrate and the second substrate, and each pair of first electric conductor includes different types of two the first semiconductor components；Wherein, it is mobile that charge is generated in the case where the refrigeration module powers on, between two the first semiconductor components in each pair of first electric conductor, and, in charge moving process, charge absorbs the heat of charging module generation at the first substrate, distributes heat at the second substrate.The device can be applied in the scene to charge to terminal device.

Description

A kind of wireless charging device and control method
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of wireless charging device and control methods.
Background technique
With the development of the communication technology and wireless charging technology, the application for having the terminal device of wireless charging function is more next It is more extensive.
Currently, during being charged using wireless charging device to terminal device, due to the transmitting of wireless charging device Power is higher, causes wireless charging device to generate and heat and the temperature of wireless charging device is increased, thus can by The mode of thermal paste or cooling fin is set in wireless charging device, is radiated to wireless charging device.
But in order to realize the quick charge to terminal device, the transmission power of wireless charging device may be will increase, nothing The heat that line charge electric installation generates can also increase therewith, and above-mentioned traditional radiating mode possibly can not rapidly dissipate heat Out, bad so as to cause the thermal diffusivity of wireless charging device.
Summary of the invention
The embodiment of the present invention provides a kind of wireless charging device and control method, can not be fast to solve traditional radiating mode The problem that speed heat dissipation causes the thermal diffusivity of wireless charging device bad.
In order to solve the above-mentioned technical problem, the embodiments of the present invention are implemented as follows:
In a first aspect, the embodiment of the invention provides a kind of wireless charging device, the wireless charging device include: pedestal, The refrigeration module being set on the pedestal and the charging module being set on the refrigeration module；The refrigeration module includes and this The first substrate of charging module contact, with the second substrates of the base contacts and be set to the first substrate and second base At least a pair of first electric conductor between plate, each pair of first electric conductor includes different types of two the first semiconductor components；Its In, in the case where the refrigeration module powers on, produced between two the first semiconductor components in each pair of first electric conductor Raw charge is mobile, also, in charge moving process, charge absorbs the heat of charging module generation at the first substrate, Heat is distributed at the second substrate.
Second aspect, the embodiment of the invention provides a kind of wireless charging device, which includes: constant-current source Module, the control module being connect with the constant current source module and refrigeration module and the charging module being connect with the refrigeration module；Its In, the refrigeration module, under the control of the control module, if receiving the constant current signal of constant current source module transmission, Under the action of the constant current signal, radiate to the wireless charging device；If not receiving the constant current letter of constant current source module transmission Number, then to the charging module for power supply.
The third aspect, the embodiment of the invention provides a kind of control methods, are applied to wireless charging device, the wireless charging Device includes refrigeration module and the charging module that connect with the refrigeration module.This method comprises: in the feelings to charge to terminal device Under condition, target temperature is obtained, which is the temperature of the mainboard of the terminal device；It is greater than first threshold in the target temperature In the case where, it controls the refrigeration module and radiates to the wireless charging device；It is less than or equal to the first threshold in the target temperature In the case where, the refrigeration module is controlled to the charging module for power supply or is controlled the refrigeration module and is stopped working.
In embodiments of the present invention, wireless charging device may include: pedestal, the refrigeration module being set on the pedestal, And it is set to the charging module on the refrigeration module；The refrigeration module may include the first base contacted with the charging module The second substrate of plate and the base contacts and at least a pair first being set between the first substrate and the second substrate Electric conductor, each pair of first electric conductor include different types of two the first semiconductor components；Wherein, electricity is connected in the refrigeration module It is mobile that charge is generated in the case where source, between two the first semiconductor components in each pair of first electric conductor, also, in charge In moving process, charge absorbs the heat of charging module generation at the first substrate, distributes heat at the second substrate. With this solution, due in the case where the refrigeration module of wireless charging device provided in an embodiment of the present invention powers on, if Two the first semiconductor components being placed in each pair of first electric conductor between the first substrate of the refrigeration module and the second substrate Between to generate charge mobile, and in charge moving process, charge can absorb the wireless charging Denso at the first substrate The heat that the charging module set generates distributes heat at the second substrate and (such as is dissipated by the pedestal of the wireless charging device Calorific value), therefore compared with traditional radiating mode, wireless charging device provided in an embodiment of the present invention can more rapidly Heat is distributed, i.e., the thermal diffusivity of wireless charging device provided in an embodiment of the present invention is more preferable.
Detailed description of the invention
Fig. 1 is a kind of one of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Fig. 2 is the two of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Fig. 3 is the three of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Fig. 4 is the four of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Fig. 5 is the five of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Fig. 6 is the six of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Fig. 7 is the seven of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Fig. 8 is the eight of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Fig. 9 is the nine of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Figure 10 is the ten of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Figure 11 is the 11 of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Figure 12 is the 12 of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Figure 13 is the 13 of a kind of schematic diagram of wireless charging device provided in an embodiment of the present invention；
Figure 14 is a kind of one of schematic diagram of control method provided in an embodiment of the present invention；
Figure 15 is the two of a kind of schematic diagram of control method provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
Symbol "/" herein indicates that affiliated partner is relationship such as A/B expression A or B perhaps.
Term " first " and " second " in description and claims of this specification etc. are for distinguishing different pairs As, rather than it is used for the particular order of description object.For example, first substrate and the second substrate etc. are for distinguishing different bases Plate, rather than the particular order for describing substrate.
In embodiments of the present invention, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This Be described as in inventive embodiments " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing Other embodiments or design scheme more preferably or more advantage.
In the description of the embodiment of the present invention, unless otherwise indicated, the meaning of " multipair " refers to two pairs or two pairs or more, For example, multipair first electric conductor refers to two pairs or two pairs or more of the first electric conductor etc..
Some term/nouns involved in the embodiment of the present invention are explained below.
Peltier effect: when referring to the power on circuitry to form to two different conductors, since charge carrier is in difference Material in be in different energy levels, therefore, when charge is moved from high level to low-lying level, the one of two different conductors A joint can discharge heat (i.e. heat release), and when charge is moved from low-lying level to high level, in two different conductors Another joint can absorb heat (freezing).
Seebeck effect: refer in the closed circuit being made of two kinds of different conductive materials, when two different conductors Two contacts temperature difference when, potential difference (being electric energy by thermal energy) is generated in closed circuit.
It should be noted that in the embodiment of the present invention, it, should in the case where the refrigeration module power supply to wireless charging device Refrigeration module can produce peltier effect (i.e. the refrigeration module is equivalent to refrigerator), with the charging mould to wireless charging device Block heat dissipation；In the case where two substrates for stopping refrigeration module power supply and refrigeration module to wireless charging device have the temperature difference, The refrigeration module can produce Seebeck effect, and the refrigeration module can (i.e. the refrigeration module be equivalent to power generation with output voltage Device), and the voltage can be used for the charging module for power supply for wireless charging device.
The embodiment of the present invention provides a kind of wireless charging device and control method, wireless charging device may include: pedestal, The refrigeration module being set on the pedestal and the charging module being set on the refrigeration module；The refrigeration module includes and this The first substrate of charging module contact, with the second substrates of the base contacts and be set to the first substrate and second base At least a pair of first electric conductor between plate, each pair of first electric conductor includes different types of two the first semiconductor components；Its In, in the case where the refrigeration module powers on, produced between two the first semiconductor components in each pair of first electric conductor Raw charge is mobile, also, in charge moving process, charge absorbs the heat of charging module generation at the first substrate, Heat is distributed at the second substrate.With this solution, due to the refrigeration in wireless charging device provided in an embodiment of the present invention In the case that module powers on, each pair of first electric conductor for being set between the first substrate of the refrigeration module and the second substrate In two the first semiconductor components between to generate charge mobile, and in charge moving process, charge can this first The heat that the charging module of the wireless charging device generates is absorbed at substrate, and heat is distributed at the second substrate and (such as is passed through The pedestal of the wireless charging device distributes heat), therefore compared with traditional radiating mode, it is provided in an embodiment of the present invention wireless Charging unit more can rapidly distribute heat, i.e., the thermal diffusivity of wireless charging device provided in an embodiment of the present invention is more preferable.
Referring to each attached drawing provided in an embodiment of the present invention to wireless charging device provided in an embodiment of the present invention and Control method is illustratively illustrated.
One, wireless charging device
As shown in Figure 1, the embodiment of the present invention provides a kind of wireless charging device 10.The wireless charging device 10 can wrap It includes: pedestal 11, the refrigeration module 12 being set on the pedestal 11 and the charging module 13 being set on the refrigeration module 12. The second substrate that the refrigeration module 12 may include the first substrate 121 contacted with the charging module 13, contact with the pedestal 11 122 and at least a pair of first electric conductor 123, Mei Dui for being set between the first substrate 121 and the second substrate 122 One electric conductor 123 may include different types of two the first semiconductor components.
Wherein, two the first semiconductors in the case where refrigeration module 12 powers on, in each pair of first electric conductor 123 It is mobile that charge is generated between component, also, in charge moving process, charge absorbs charging module 13 at first substrate 121 The heat of generation distributes the heat at the second substrate 122.
It should be noted that above-mentioned Fig. 1 is simultaneously in order to more clearly illustrate wireless charging device provided in an embodiment of the present invention The connection type of power supply and refrigeration module is not shown.The embodiment of the present invention does not limit the connection type of power supply and refrigeration module It is fixed, it can specifically be determined according to actual use demand.Illustratively, in conjunction with Fig. 1, as shown in (a) in Fig. 2, power supply can be straight It connects and is connect with refrigeration module (such as the second substrate of refrigeration module)；Alternatively, as shown in (b) in Fig. 2, power supply can in conjunction with Fig. 1 To be connect by switch with refrigeration module (such as the second substrate of refrigeration module).
In addition, above-mentioned Fig. 1 is shown for being provided with four pair of first electric conductor between first substrate and the second substrate Example property illustrates, does not cause any restriction to the embodiment of the present invention.It is appreciated that can between first substrate and the second substrate To be provided with a pair of first electric conductor, multipair first electric conductor also can be set.It specifically can be true according to actual use demand Fixed, the embodiment of the present invention is without limitation.
Optionally, in the embodiment of the present invention, two the first semiconductor components in each pair of first electric conductor can be respectively One N-type semiconductor component and a P-type semiconductor component.It is appreciated that for by N-type semiconductor component and P-type semiconductor The power circuit that component is constituted, since the energy level of N-type semiconductor component and P-type semiconductor component is different, in charge from low When the semiconductor component (N-type semiconductor component) of energy level is moved to the semiconductor component (P-type semiconductor component) of high level, in N One joint (i.e. first substrate) of type semiconductor component and P-type semiconductor component can absorb heat, and in charge from high energy When the semiconductor component (P-type semiconductor component) of grade is moved to the semiconductor component (N-type semiconductor component) of low-lying level, in N-type Another joint (i.e. the second substrate) of semiconductor component and P-type semiconductor component can discharge heat, can so make wireless Charging unit more rapidly distributes heat.
Further, in the embodiment of the present invention, above-mentioned N-type semiconductor component can partly lead for N-type semiconductor block or N-type Body piece, aforementioned p-type semiconductor component can be P-type semiconductor block or P-type semiconductor piece.
Optionally, such as (a) in Fig. 2 or as shown in (b) in Fig. 2, in the embodiment of the present invention, as shown in Figure 1 the It insulating trip 1211 and at least one first sheet metal for being set on first insulating trip 1211 that one substrate 121, which may include first, 1212, the second substrate 122 as shown in Figure 1 may include the second insulating trip 1221 and be set on second insulating trip 1221 At least one second sheet metal 1222.
Further, in the embodiment of the present invention, above-mentioned first insulating trip and the second insulating trip can be ceramic insulation piece, on It states the first sheet metal and the second sheet metal can be copper sheet.Certainly, first insulating trip and the second insulating trip can also be other Insulating trip, the first sheet metal and the second sheet metal can be other sheet metals.It specifically can be true according to actual use demand Fixed, the embodiment of the present invention is without limitation.
Optionally, in the embodiment of the present invention, multipair first electric conductor is provided between first substrate and the second substrate In the case of, the first is optionally achieved in that, each pair of first electric conductor in multipair first electric conductor can be separately connected one A power supply, i.e. multipair first electric conductor can form multiple independent power circuits；It is optionally achieved in that for second, such as (a) in Fig. 2 or as shown in (b) in Fig. 2, multipair first electric conductor can connect a power supply, i.e., this multipair first is led Electric body can form a power circuit.
Further, in the embodiment of the present invention, implementation optional for above-mentioned second, in multipair first electric conductor When connecting a power supply, which can be connected using series system, parallel way with mixed connection mode.Specifically may be used To determine that the embodiment of the present invention is without limitation according to actual use demand.
Optionally, in the embodiment of the present invention, above-mentioned pedestal can be metab.It is appreciated that due to the heat dissipation of metal Ability is stronger, therefore by setting metab, which can be by the heat at the second substrate of refrigeration module faster Ground is dispersed into the outside of wireless charging device, i.e., the metab can play the role of heat dissipation.
The embodiment of the present invention provides a kind of wireless charging device, since the refrigeration module in wireless charging device powers on In the case where, be set in each pair of first electric conductor between the first substrate of the refrigeration module and the second substrate two first It is mobile that charge is generated between semiconductor component, and in charge moving process, charge can absorb at the first substrate should The heat that the charging module of wireless charging device generates distributes heat (for example, by the wireless charging Denso at the second substrate The pedestal set distributes heat), therefore compared with traditional radiating mode, wireless charging device provided in an embodiment of the present invention can be with Heat is more rapidly distributed, i.e., the thermal diffusivity of wireless charging device provided in an embodiment of the present invention is more preferable.
Optionally, such as Fig. 1 or as shown in (b) in Fig. 2, in the embodiment of the present invention, in 12 access failure power supply of refrigeration module And in the case where between the first substrate 121 of refrigeration module 12 and the second substrate 122 of refrigeration module 12 having the temperature difference, each pair of first It is mobile to can produce charge inside first semiconductor component of each of electric conductor 123.Also, with the movement of charge, the system Cold module 12 can export first voltage, which can be used for for the power supply of charging module 13.
Specifically, during being charged using wireless charging device to terminal device, due to filling for wireless charging device Electric module can distribute heat, and the first substrate of the refrigeration module of wireless charging device is contacted with the charging module, therefore the system There can be temperature difference between the first substrate and the second substrate of cold module.In this case, if the refrigeration module access failure Power supply, then can produce charge shifting inside the first semiconductor component of each of each pair of first electric conductor in the refrigeration module It is dynamic, and with the movement of charge, which can export first voltage (i.e. the refrigeration module generates Seebeck effect).
In the embodiment of the present invention, due to the refrigeration module access failure power supply and the refrigeration module in wireless charging device In the case where having the temperature difference between first substrate and the second substrate, which can generate Seebeck effect, by wireless charging Denso The heat that the charging module set generates is converted to electric energy, therefore can use the electric energy is the charging module for power supply, so that Energy can be utilized again, that is, improve the utilization rate of energy.
Optionally, in conjunction with Fig. 1, as shown in figure 3, wireless charging device provided in an embodiment of the present invention 10 can also include: The electricity generation module 14 being set between pedestal 11 and refrigeration module 12.The electricity generation module 14 may include connecing with the second substrate 122 The third substrate 141 of touching, the tetrabasal 142 contacted with pedestal 11 and it is set to the third substrate 141 and the tetrabasal At least a pair of second electric conductor 143 between 142, each pair of second electric conductor 143 may include different types of two the second half Conductor part.
Wherein, refrigeration module 12 power on and the third substrate 141 of electricity generation module 14 and electricity generation module 14 the 4th In the case where having the temperature difference between substrate 142, it can produce inside second semiconductor component of each of each pair of second electric conductor 143 Charge is mobile.Also, with the movement of charge, electricity generation module 14 can export second voltage, the second voltage can be used for for Charging module 13 is powered.
Specifically, during being charged using wireless charging device to terminal device, due to filling for wireless charging device Electric module can distribute heat, and the first substrate of the refrigeration module of wireless charging device is contacted with the charging module, thus this One substrate can absorb the heat that charging module distributes, and the second substrate of the refrigeration module can distribute heat (the i.e. refrigeration mould Block generates peltier effect).Again since the third substrate of electricity generation module is contacted with the second substrate, the temperature of the third substrate Degree can increase, and then the temperature of the third substrate can be higher than the temperature with the tetrabasal of the electricity generation module.In this feelings Under condition, charge movement can produce inside the second semiconductor component of each of each pair of second electric conductor of the electricity generation module, and And with the movement of charge, which can export second voltage (i.e. the electricity generation module generates Seebeck effect).
Further, in the embodiment of the present invention, third substrate may include that third insulating trip insulate with the third is set to At least one third sheet metal of on piece, and tetrabasal may include the 4th insulating trip and be set on the 4th insulating trip At least one the 4th sheet metal.
Further, in the embodiment of the present invention, heat-conducting layer has been can be set in above-mentioned the second substrate and third substrate, this is thermally conductive Layer can be used for conducting heat between the second substrate and third substrate.For example, the heat-conducting layer can be metal heat-conducting layer.
In the embodiment of the present invention, due to powering on and the third substrate and electricity generation module of electricity generation module in refrigeration module Tetrabasal between have the temperature difference in the case where, which can generate peltier effect, the electricity generation module generate Seebeck Effect, therefore the refrigeration module can distribute the heat of charging module generation, which can be converted to electricity for the heat Can, therefore can use the electric energy and improve energy so that energy can be utilized again for the charging module for power supply The utilization rate of amount.
Optionally, in the embodiment of the present invention, two the second semiconductor components in each pair of second electric conductor are respectively a N Type semiconductor component and a P-type semiconductor component.It is appreciated that for by N-type semiconductor component and P-type semiconductor component structure At closed circuit, be higher than the temperature of tetrabasal in the temperature of third substrate (i.e. third substrate and tetrabasal have the temperature difference) In the case of, the charge of N-type semiconductor components interior can be moved from from third substrate to the direction of tetrabasal, P-type semiconductor portion Charge inside part can be moved from from tetrabasal to the direction of third substrate, so can be with output voltage.
Optionally, in conjunction with Fig. 1, as shown in figure 4, charging module 13 as shown in Figure 1 can wrap in the embodiment of the present invention It includes: transmitting coil 131 and the circuit board 132 around the transmitting coil 131 setting.Wherein, which can be with first Substrate 121 contacts, and the transmitting coil 131 and the circuit board 132 can be in the same plane.
Wherein, foregoing circuit plate 132 can be used for converting electrical energy into magnetic energy；Above-mentioned transmitting coil 131, can be used for Emit magnetic energy, to charge to terminal device.It, can also be with it should be noted that circuit board 132 can be contacted with first substrate 121 It is not contacted with first substrate 121.Specifically it can determine that the embodiment of the present invention is without limitation according to actual use demand.
Illustratively, Fig. 5 is the top view of charging module as shown in Figure 4.As shown in figure 5, circuit board 132 can surround Transmitting coil 131 is arranged, and the transmitting coil 131 and the circuit board 132 can be in the same plane.
In the embodiment of the present invention, since charging module may include transmitting coil and circuit board, which can To convert electrical energy into magnetic energy, and the magnetic energy for emission is gone out, such terminal device can receive the magnetic energy, and magnetic energy is converted For electric energy, charged by charging module to terminal device to realize.
Optionally, in conjunction with Fig. 4, as shown in fig. 6, wireless charging device provided in an embodiment of the present invention 10 can also include: The magnetic conduction sheet 15 being set between charging module 13 and first substrate 121.
Illustratively, above-mentioned magnetic conduction sheet can be silicon steel magnetic conduction sheet or crystal magnetic conduction sheet etc..It specifically can be according to reality Use demand determines that the embodiment of the present invention is without limitation.
In the embodiment of the present invention, on the one hand, since magnetic conduction sheet has certain heating conduction, by charging module Magnetic conduction sheet is set between refrigeration module, the heat that charging module generates more can be rapidly transmitted to refrigeration module, from And refrigeration module is allowed more rapidly to distribute heat, and then the temperature of wireless charging device can be reduced.On the other hand, Since transmitting coil and circuit board are in the same plane, by the way that magnetic conduction is arranged between charging module and refrigeration module Piece, the interference that can be reduced between transmitting coil and circuit board.
Optionally, in conjunction with Fig. 1, as shown in fig. 7, wireless charging device provided in an embodiment of the present invention 10 can also include: The layer of silica gel 16 being set on charging module 13.
In the embodiment of the present invention, since when being charged using wireless charging device to terminal device, terminal device would generally It is placed on apart from the closer position of wireless charging device, therefore the embodiment of the present invention can be such that terminal sets by setting layer of silica gel It is standby to be directly placed above the layer of silica gel of wireless charging device.Further, on the one hand, since silica gel material has good lead It is hot, and terminal device is placed on charge in the layer of silica gel of wireless charging device when, the temperature of wireless charging device can be low In the temperature of terminal device, therefore the layer of silica gel can distribute the heat of terminal device generation, it can play to terminal device The effect of cooling；On the other hand, since silica gel material has good anti-interference, in use wireless charging device to end When end equipment charges, which can play the role of preventing terminal device from interfering wireless charging device.
Optionally, as shown in fig. 7, wireless charging device provided in an embodiment of the present invention 10 can also include: to be set to silicon Annular side portions 17 between glue-line 16 and pedestal 11, and the annular side portions 17 can be wrapped in the periphery of refrigeration module 12.
Illustratively, above-mentioned annular side portions can be metal ring side.The metal ring side can be copper annular Side.Specifically it can determine that the embodiment of the present invention is without limitation according to actual use demand.
In the embodiment of the present invention, by the way that annular side portions, a side is arranged between refrigerator periphery and layer of silica gel and pedestal Face, the annular side portions can play a protective role to refrigeration module etc.；On the other hand, which can pass refrigeration module The heat led is dispersed into the outside of wireless charging device, so as to play the role of cooling to terminal device.
Two, wireless charging device
As shown in figure 8, the embodiment of the present invention provides a kind of wireless charging device 800.The wireless charging device 800 can wrap It includes: constant current source module 801, the control module 802 being connect with constant current source module 801 and refrigeration module 803 and and refrigeration module The charging module 804 of 803 connections.Wherein, refrigeration module 803 can be used for: under the control of control module 802, and receive In the case where the constant current signal that constant current source module 801 is sent, under the action of the constant current signal, wireless charging device 800 is dissipated Heat；In the case where not receiving the constant current signal of the transmission of constant current source module 801, power to charging module 804.Constant current source module 801, it can be used under the control of control module 802, provide constant current signal for refrigeration module 803.Charging module 804, can be with For charging for terminal device.
It is appreciated that in the embodiment of the present invention, the above-mentioned wireless charging Denso as in Fig. 8 (and following Fig. 9 to Figure 13) 800 are set, can be wireless charging device 10 as shown in Figures 1 to 7 in above-described embodiment；It is above-mentioned such as Fig. 8 (and following figure 9 to Figure 13) charging module 804 in can be charging module 13 as shown in Figures 1 to 7 in above-described embodiment；It is above-mentioned such as to scheme Refrigeration module 803 in 8 (and following Fig. 9 to Figure 13) can be refrigeration as shown in Figures 1 to 7 in above-described embodiment Module 12.
Specifically, refrigeration module 803 as shown in Figure 8 may include the first substrate contacted with charging module 804 and nothing The second substrate and be set between the first substrate and the second substrate that the shell (such as pedestal) of line charge electric installation contacts At least a pair of first electric conductor, each pair of first electric conductor may include different types of two the first semiconductor components.It is making In the case that cold module 803 receives the constant current signal of the transmission of constant current source module 801, refrigeration module 803 can produce Peltier Effect, and can radiate to wireless charging device 800；The constant current of the transmission of constant current source module 801 is not received in refrigeration module 803 In the case where signal, which can produce Seebeck effect, which can supply charging module 804 Electricity.
The embodiment of the present invention provides a kind of wireless charging device, since the wireless charging device can be in the control of control module Under system, according to whether receiving the constant current signal of constant current source module transmission, determines and radiate to wireless charging device or to charging Module for power supply, therefore, on the one hand wireless charging device provided in an embodiment of the present invention can rapidly dissipate wireless charging device Heat；On the other hand the heat that charging module generates can be converted to electric energy by wireless charging device provided in an embodiment of the present invention, And can use the electric energy is the charging module for power supply, so that energy can utilize again, and then improves the benefit of energy With rate.
Optionally, in conjunction with Fig. 8, as shown in figure 9, wireless charging device provided in an embodiment of the present invention 800 can also include: The power module 805 being connect with constant current source module 801, control module 802 and charging module 804.Wherein, power module 805, It can be used under the control of control module 802, send the first power supply signal to constant current source module 801.Constant current source module 801, It can be used for receiving first power supply signal；And under the control of control module 802, which is converted into constant current Signal；And the constant current signal is sent to refrigeration module 803.
It can be constant-current source module for power supply, so as to so that constant-current source by the way that power module is arranged in the embodiment of the present invention Module is refrigeration module power supply, and then refrigeration module can be made to radiate to wireless charging device or to charging module for power supply.
Further, as shown in figure 9, in the embodiment of the present invention, control module 802 specifically can be used for controlling constant-current source Module 801 changes the size of the current value of the constant current signal sent to refrigeration module 803.Specifically, constant current source module 801 to In the biggish situation of current value for the constant current signal that refrigeration module 803 is sent, refrigeration module 803 is to wireless charging device 800 Radiating efficiency is higher, i.e. the refrigeration effect of refrigeration module 803 is preferable；In the perseverance that constant current source module 801 is sent to refrigeration module 803 In the lesser situation of current value for flowing signal, refrigeration module 803 is lower to the radiating efficiency of wireless charging device 800, that is, freezes The refrigeration effect of module 803 is poor.It is appreciated that changing the constant current signal sent to refrigeration module by controlling constant current source module Current value size, thus it is possible to vary radiating efficiency of the refrigeration module to wireless charging device, it can adjust refrigeration module Refrigeration effect.
Further, as shown in figure 9, in the embodiment of the present invention, power module 805 be can be also used for charging module 804 It powers with control module 802.It is appreciated that can be powered by setting power module for charging module and control module, thus It can guarantee the normal work of charging module and control module.
Optionally, as shown in figure 9, in the embodiment of the present invention, control module 802 can be used for: obtain target temperature；According to The target temperature, control power module 805 sends the first power supply signal to constant current source module 801, and controls constant current source module 801 First power supply signal received is converted into constant current signal.Wherein, terminal device is to be charged by wireless charging device Terminal device, target temperature are the temperature of the mainboard of terminal device.
Illustratively, in the case where being charged using wireless charging device to terminal device, the temperature of the mainboard of terminal device Degree can gradually rise.Specifically, a kind of be optionally achieved in that, terminal device and wireless charging device can establish channel radio Letter connection, terminal device, can be periodically to nothing after the temperature (i.e. target temperature) for the mainboard for collecting terminal device Line charge electric installation sends the information including the target temperature；It is another to be optionally achieved in that, terminal device and wireless charging Device can establish wireless communication connection, terminal device the mainboard for collecting terminal device temperature (i.e. target temperature) it Afterwards, the information including the target temperature can be sent to wireless charging device immediately.In this way, receiving the letter in wireless charging device Breath, and after obtaining target temperature in the information, wireless charging device can be according to the target temperature, it is determined whether control electricity Source module sends the first power supply signal to constant current source module and (for example, in the case where target temperature is greater than first threshold, controls mould Block can control power module and send the first power supply signal to constant current source module, and control constant current source module by receive this One power supply signal is converted to constant current signal, and sends constant current signal to refrigeration module, so that refrigeration module can be to wireless charging Device radiation；Target temperature be less than or equal to first threshold in the case where, control module may not need control power module to Constant current source module sends the first power supply signal, and refrigeration module can stop working at this time or refrigeration module can be to charging mould Block power supply).
It is appreciated that during being charged using wireless charging device to terminal device, wireless charging device and terminal The temperature of equipment can increase as time increases.Since under normal conditions, the heat-sinking capability of terminal device will be lower than nothing The heat-sinking capability of line charge electric installation, therefore the temperature of the mainboard of terminal device would generally be higher than the temperature of wireless charging device, such as This wireless charging device, can be preferably to wireless according to the working method of the temperature controlled refrigerating module of the mainboard of terminal device Charging unit and terminal device heat dissipation.
Optionally, in conjunction with Fig. 9, as shown in Figure 10, wireless charging device 800 provided in an embodiment of the present invention can also be wrapped Include: the switch module 806 being connect with control module 802 and refrigeration module 803, and with control module 802, refrigeration module 803 The first Voltage stabilizing module 807 connected with charging module 804.Wherein, control module 802 can be used for through switch module 806, It controls refrigeration module 803 to radiate to wireless charging device 800, or powers to charging module 804.First Voltage stabilizing module 807, can To be used to receive the first voltage that refrigeration module 803 is sent in the case where refrigeration module 803 powers to charging module 804, and Under the control of control module 802, pressure stabilizing is carried out to the first voltage, and the first voltage after pressure stabilizing is sent to charging mould Block 804, the first voltage after the pressure stabilizing are used to power to charging module 804.
Illustratively, the switch state of switch module may include first switch state and second switch state.It is switching When module is in first switch state, refrigeration module can radiate to wireless charging device；Second switch is in switch module When state, refrigeration module can be to charging module for power supply.Therefore, control module, can by the switch state of change switch module It is radiated to wireless charging device or with controlling refrigeration module to charging module for power supply.
In the embodiment of the present invention, by be arranged switch module, can control refrigeration module to wireless charging device heat dissipation or Person is to charging module for power supply.By the way that the first Voltage stabilizing module is arranged, the voltage pressure stabilizing that refrigeration module can be sent to charging module, So that the supply voltage of charging module is more stable, so as to improve the service life of charging module.
Optionally, in conjunction with Figure 10, as shown in figure 11, wireless charging device 800 provided in an embodiment of the present invention can also be wrapped It includes: the first anti-back flow circuit 808, the second anti-back flow circuit 809 and first voltage comparator 810.Power module 805 passes through first Anti-back flow circuit 808 is connect with charging module 804.First Voltage stabilizing module 807 passes through the second anti-back flow circuit 809 and charging module 804 connections.First voltage comparator 810 and control module 802, the first Voltage stabilizing module 807 and the first anti-back flow circuit 808 connect It connects.Wherein, the first anti-back flow circuit 808 can be used for preventing the first voltage input power module 805 after pressure stabilizing.Second is anti- Back flow circuit 809 can be used for that second voltage is prevented to input the first Voltage stabilizing module 807, which is that power module 805 is right The voltage that charging module 804 is powered.First voltage comparator 810 can be used for the first voltage after pressure stabilizing and second voltage In the case where difference, the first adjustment signal is generated, and send the first adjustment signal to control module 802.Control module 802, It can be also used for receiving the first adjustment signal, and according to the first adjustment signal, controlling the first Voltage stabilizing module 807 will be after pressure stabilizing First voltage is adjusted to second voltage.
Illustratively, a kind of to be optionally achieved in that, after control module 802 receives the first adjustment signal, control Molding block 802 directly can send the first adjustment signal to the first Voltage stabilizing module 807, so that the first Voltage stabilizing module 807 can be with According to the first adjustment signal, the first voltage after pressure stabilizing is adjusted to second voltage.It is another to be optionally achieved in that, After control module 802 receives the first adjustment signal, control module 802 can generate one newly according to the first adjustment signal The first adjustment signal, and to the first Voltage stabilizing module 807 send the new the first adjustment signal, thus the first Voltage stabilizing module 807 The first voltage after pressure stabilizing can be adjusted to second voltage according to the new the first adjustment signal.
It should be noted that wireless charging device as shown in figure 11 be with and meanwhile include the first anti-back flow circuit 808, the It illustrates, the embodiment of the present invention is not made for two anti-back flow circuits 809 and first voltage comparator 810 At any restriction.It is appreciated that in actual implementation, wireless charging device may include first voltage comparator 810, without including First anti-back flow circuit 808 and the second anti-back flow circuit 809；Wireless charging device also may include the first anti-back flow circuit 808 With the second anti-back flow circuit 809, without include first voltage comparator 810.It can specifically be determined according to actual use demand, this Inventive embodiments are without limitation.
In the embodiment of the present invention, by the way that the first anti-back flow circuit, the second anti-back flow circuit and first voltage comparator is arranged, The voltage and the first Voltage stabilizing module that can make electric power source pair of module charging module for power supply reach unanimity to the voltage of charging module for power supply, It can be so effectively prevented the phenomenon that voltage flows backward, so as to avoid damaging modules, and then improved The service life of wireless charging device.
Optionally, in conjunction with Fig. 9, as shown in figure 12, wireless charging device 800 provided in an embodiment of the present invention can also be wrapped Include: the electricity generation module 811 being connect with control module 802 and refrigeration module 803, and with control module 802, electricity generation module 811 The second Voltage stabilizing module 812 connected with charging module 804.Wherein, electricity generation module 811 can be used for receiving refrigeration module In the case where 803 heats distributed, which is converted into electric energy, and the electric energy is sent to the second Voltage stabilizing module 812.Second Voltage stabilizing module 812 can be used for receiving the electric energy, and under the control of control module 802, carry out pressure stabilizing to tertiary voltage, with And the tertiary voltage after pressure stabilizing is sent to charging module 804, the tertiary voltage after the pressure stabilizing is used to supply charging module 804 Electricity, the tertiary voltage are the corresponding voltage of electric energy.
It is appreciated that the above-mentioned electricity generation module 811 as in Figure 12 (and following Figure 13) can in the embodiment of the present invention Think electricity generation module 14 as shown in Figure 3 in above-described embodiment.Specifically, the electricity generation module 811 such as Figure 12 may include and make Third substrate that cold module 803 contacts, tetrabasal and be set between the third substrate and the tetrabasal at least one To the second electric conductor, each pair of second electric conductor includes different types of two the second semiconductor components.Wherein, in refrigeration module In the case that 803 power on and have the temperature difference between third substrate and tetrabasal, each of each pair of second electric conductor second It is mobile that charge is generated inside semiconductor component, and with the movement of charge, electricity generation module 811 exports tertiary voltage, the third Voltage can be used for for the power supply of charging module 804.
In the embodiment of the present invention, by the way that electricity generation module is arranged, the heat that refrigerator can be distributed is converted to electric energy, therefore It can use the electric energy and improve the utilization rate of energy so that energy can utilize again for the charging module for power supply. By the way that the second Voltage stabilizing module is arranged, the voltage pressure stabilizing that electricity generation module can be exported, so that more to the supply voltage of charging module For stabilization, so as to improve the service life of charging module.
Optionally, in conjunction with Figure 12, as shown in figure 13, wireless charging device 800 provided in an embodiment of the present invention can also be wrapped It includes: third anti-back flow circuit 813, the 4th anti-back flow circuit 814 and second voltage comparator 815.Power module 805 can pass through Third anti-back flow circuit 813 is connect with charging module 804, the second Voltage stabilizing module 812 can by the 4th anti-back flow circuit 814 with Charging module 804 connects, and second voltage comparator 815 can be anti-down with control module 802, the second Voltage stabilizing module 812 and third Circuit 813 is filled to connect.Wherein, third anti-back flow circuit 813 can be used for preventing the tertiary voltage input power module after pressure stabilizing 805.4th anti-back flow circuit 814 can be used for that second voltage is prevented to input the second Voltage stabilizing module 812, and second voltage is power supply The voltage that module 805 powers to charging module 804.Second voltage comparator 815, can be used for the tertiary voltage after pressure stabilizing with In the case that second voltage is different, second adjustment signal is generated, and send second adjustment signal to control module 802.Control mould Block 802 can be also used for receiving the second adjustment signal, and according to the second adjustment signal, controlling the second Voltage stabilizing module 812 will Tertiary voltage after pressure stabilizing is adjusted to second voltage.
Illustratively, a kind of to be optionally achieved in that, after control module 802 receives second adjustment signal, control Molding block 802 directly can send the second adjustment signal to the second Voltage stabilizing module 812, so that the second Voltage stabilizing module 812 can be with According to the second adjustment signal, the tertiary voltage after pressure stabilizing is adjusted to second voltage.It is another to be optionally achieved in that, After control module 802 receives second adjustment signal, control module 802 can generate one newly according to the second adjustment signal Second adjustment signal, and to the second Voltage stabilizing module 812 send the new second adjustment signal, thus the second Voltage stabilizing module 812 The tertiary voltage after pressure stabilizing can be adjusted to second voltage according to the new second adjustment signal.
It should be noted that wireless charging device 800 is with while including third anti-back flow circuit as shown in fig. 13 that 813, it is illustrated for the 4th anti-back flow circuit 814 and second voltage comparator 815, not to of the invention real It applies example and causes any restriction.It is appreciated that in actual implementation, wireless charging device may include second voltage comparator 815, and It does not include third anti-back flow circuit 813 and the 4th anti-back flow circuit 814；Wireless charging device also may include third reverse-filling electricity Road 813 and the 4th anti-back flow circuit 814, without including second voltage comparator 815.It specifically can be true according to actual use demand Fixed, the embodiment of the present invention is without limitation.
In the embodiment of the present invention, by the way that third anti-back flow circuit, the 4th anti-back flow circuit and second voltage comparator is arranged, The voltage and the second Voltage stabilizing module that can make electric power source pair of module charging module for power supply reach unanimity to the voltage of charging module for power supply, It can be so effectively prevented the phenomenon that voltage flows backward, so as to avoid damaging modules, and then improved The service life of wireless charging device.
Three, control method
As shown in figure 14, the embodiment of the present invention provides a kind of control method.The control method can be applied to above-mentioned such as Fig. 1 The wireless charging device that any embodiment provides to Fig. 7 or Fig. 8 to Figure 13.The wireless charging device may include refrigeration module The charging module being connect with the refrigeration module.The control method may include following step 141- step 144.
Step 141, in the case where charging to terminal device, wireless charging device obtain target temperature.
Wherein, above-mentioned target temperature can be the temperature of the mainboard of terminal device.
Optionally, above-mentioned steps 141 can specifically include: in the case where charging to terminal device, wireless charging device The target temperature that receiving terminal apparatus is sent.
In the embodiment of the present invention, in the case where being charged using wireless charging device to terminal device, the master of terminal device The temperature of plate can gradually rise.Specifically, a kind of be optionally achieved in that, terminal device and wireless charging device be can establish Wireless communication connection, terminal device, can be periodical after the temperature (i.e. target temperature) for the mainboard for collecting terminal device Ground sends the information including the target temperature to wireless charging device, and such wireless charging device can receive the information, and obtain Take target temperature；Another kind is optionally achieved in that terminal device and wireless charging device can establish wireless communication connection, Terminal device can be sent out to wireless charging device immediately after the temperature (i.e. target temperature) for the mainboard for collecting terminal device The information including the target temperature is sent, such wireless charging device can receive the information, and obtain target temperature.
Optionally, in the embodiment of the present invention, the wireless communication connection type between wireless charging device and terminal device can With are as follows: it is logical that bluetooth (bluetooth) communicates to connect mode, purple honeybee (zigbee) communication connection mode or Wireless Fidelity (wifi) Believe connection type etc..Specifically it can determine that the embodiment of the present invention is without limitation according to actual use demand.
Terminal device in the embodiment of the present invention can be mobile terminal device, or immobile terminal equipment.Show Example property, mobile terminal device can for mobile phone, tablet computer, laptop, palm PC, car-mounted terminal, wearable set Standby, Ultra-Mobile PC (ultra-mobile personal computer, UMPC), net book or individual digital Assistant (personal digital assistant, PDA) etc., immobile terminal equipment can be personal computer (personal computer, PC), television set (television, TV), automatic teller machine or self-service machine etc., the embodiment of the present invention It is not especially limited.
It should be noted that using wireless charging device to terminal device charge during, wireless charging device and The temperature of terminal device can increase as time increases.Since under normal conditions, the heat-sinking capability of terminal device wants low The temperature of wireless charging device would generally be higher than in the temperature of the heat-sinking capability of wireless charging device, therefore the mainboard of terminal device Degree, such wireless charging device, can be preferably according to the working method of the temperature controlled refrigerating module of the mainboard of terminal device It radiates to wireless charging device and terminal device.
Step 142, wireless charging device judge whether the target temperature is greater than first threshold.
In the embodiment of the present invention, wireless charging device may determine that whether target temperature is greater than first threshold.In target temperature In the case that degree is greater than first threshold, wireless charging device can continue to execute following steps 143；Be less than in target temperature or In the case where first threshold, terminal can continue to execute following steps 144.
Illustratively, first threshold can be 10 degrees Celsius, 20 degrees Celsius, 30 degrees Celsius or 40 degrees Celsius etc..
Step 143, wireless charging device control refrigeration module radiate to wireless charging device.
It is appreciated that the refrigeration module in the present embodiment can be above-described embodiment such as Fig. 1 to Fig. 7 or Fig. 8 to Figure 13 The refrigeration module for the wireless charging device that any embodiment provides.Specifically, the refrigeration module may include connecing with charging module The first substrate of touching, with the second substrate of the base contacts of wireless charging device and be set to the first substrate and this second At least a pair of first electric conductor between substrate, each pair of first electric conductor includes different types of two the first semiconductor components.
In the embodiment of the present invention, in the case where target temperature is greater than first threshold, the refrigeration module of wireless charging device It can power on.Two the first semiconductors so in the case where refrigeration module powers on, in each pair of first electric conductor It is mobile that charge is generated between component, and in charge moving process, charge absorbs charging module generation at the first substrate Heat, the heat is distributed at the second substrate, i.e. wireless charging device can control refrigeration module to wireless charging device Heat dissipation.
Step 144, wireless charging device control refrigeration module stop work to charging module for power supply, or control refrigeration module Make.
In the embodiment of the present invention, the first is optionally achieved in that, is less than or equal to first threshold in target temperature In the case of, wireless charging device can directly control refrigeration module and stop working；It is optionally achieved in that for second, in target In the case that temperature is less than or equal to first threshold, wireless charging device can control refrigeration module to charging module for power supply.
It is appreciated that for the first optional implementation, on the one hand, due to controlling refrigeration mould in wireless charging device It when block radiates to wireless charging device, needs to be powered to refrigeration module, therefore when target temperature is lower, wireless charging device is logical It crosses control refrigeration module to stop working, electric energy can be saved；On the other hand, due to when refrigeration module stops working, wireless charging Electric installation still has certain heat-sinking capability, thus control refrigeration module stop working the influence caused by wireless charging device compared with It is low.
For second of optional implementation, in the case where stopping powering to refrigeration module, which can be produced Raw Seebeck effect, the heat so as to generate the charging module of wireless charging device is converted to electric energy, and can use The electric energy is the charging module for power supply, so that energy can be utilized again, and then improves the utilization rate of energy.
The embodiment of the present invention provides a kind of control method, freezes since wireless charging device can be controlled according to target temperature Module perhaps controls refrigeration module and stops working or control refrigeration module work to charging module for power supply.Therefore, on the one hand It can rapidly radiate to wireless charging device；On the other hand the heat that charging module generates can be converted into electric energy, and can , for the charging module for power supply, so that energy can utilize again, and then to improve the utilization rate of energy using the electric energy.
Optionally, wireless charging device provided in an embodiment of the present invention can also include: and refrigeration module and charging module The electricity generation module of connection.It further include the feelings that electricity generation module and target temperature are less than or equal to first threshold in wireless charging device Under condition, in conjunction with Figure 14, as shown in figure 15, above-mentioned steps 144 can specifically be realized by following step 144a；In wireless charging Device further includes controlling refrigeration module in wireless charging device in the case that electricity generation module and target temperature are greater than first threshold To wireless charging device heat dissipation, (i.e. after step 143), control method provided in an embodiment of the present invention can also include following Step 145.
Step 144a, wireless charging device control refrigeration module and electricity generation module stop working.
In the embodiment of the present invention, in wireless charging device further include electricity generation module and target temperature is less than or equal to first In the case where threshold value, wireless charging device can control refrigeration module and electricity generation module stops working.It is appreciated that due in nothing When line charge electric installation controls refrigeration module to wireless charging device heat dissipation, need to be powered to refrigeration module.Therefore, in target temperature When lower, on the one hand, wireless charging device is stopped working by controlling refrigeration module, can save electric energy；On the other hand, it generates electricity Module can produce Seebeck effect, the heat that the charging module of wireless charging device generates is converted to electric energy, and can benefit The utilization rate of energy is improved so that energy can utilize again with the electric energy for the charging module for power supply.
The heat that step 145, wireless charging device control electricity generation module distribute refrigeration module is converted to electric energy, and uses The electric energy is to charging module for power supply.
In the embodiment of the present invention, in wireless charging device further include electricity generation module and target temperature is greater than first threshold In the case of, wireless charging device can control refrigeration module and radiate to wireless charging device；And control electricity generation module will freeze The heat that module distributes is converted to electric energy, and using the electric energy to charging module for power supply.It is understood that, on the one hand, refrigeration module It can play the role of heat dissipation to wireless charging device；On the other hand, which can generate Seebeck effect, by wireless charging The heat that the charging module of electric installation generates is converted to electric energy, and can use the electric energy is the charging module for power supply, to make Obtaining energy can utilize again, that is, improve the utilization rate of energy.
Optionally, in the embodiment of the present invention, above-mentioned steps 143 can specifically pass through following step 143a- step 143d Any one of realize.
Step 143a, in the case where target temperature is greater than first threshold and is less than or equal to second threshold, wireless charging Device controls refrigeration module in the flrst mode, radiates to wireless charging device.
Step 143b, in the case where target temperature is greater than second threshold and is less than or equal to third threshold value, wireless charging Device controls refrigeration module under the second mode, radiates to wireless charging device.
Step 143c, in the case where target temperature is greater than third threshold value and is less than or equal to four threshold values, wireless charging Device controls refrigeration module in a third mode, radiates to wireless charging device.
Step 143d, in the case where target temperature is greater than four threshold values, wireless charging device stops working.
Wherein, second threshold is greater than first threshold, and third threshold value is greater than second threshold, and the 4th threshold value is greater than third threshold value. First radiating efficiency is less than third radiating efficiency less than the second radiating efficiency, the second radiating efficiency.First radiating efficiency is refrigeration Module is in the flrst mode to the efficiency of wireless charging device heat dissipation.Second radiating efficiency is that refrigeration module is right under the second mode The efficiency of wireless charging device heat dissipation.Third radiating efficiency is refrigeration module in a third mode to wireless charging device heat dissipation Efficiency.
Optionally, the current value of refrigeration module in the flrst mode can be the first current value, electricity under the second mode Flow valuve can be the second current value, and current value in a third mode can be third current value, the electric current under fourth mode Value can be the 4th current value.Wherein, the second current value is greater than the first current value, and third current value is greater than the second current value, the Four current values are greater than third current value.
Illustratively, first threshold can be 10 degrees Celsius, and second threshold can be 20 degrees Celsius, and third threshold value can be 30 degrees Celsius and the 4th threshold value can be 40 degrees Celsius.
In the embodiment of the present invention, with the raising of the temperature of the mainboard of terminal device, wireless charging device is by changing nothing The operating mode of line charge electric installation changes to being adapted to property the efficiency of wireless charging device heat dissipation, so can guarantee to dissipate Under the premise of thermal effect, the electric energy of wireless charging device consumption is saved.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do There is also other identical elements in the process, method of element, article or device.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much Form belongs within protection of the invention.

Claims (16)

1. a kind of wireless charging device, which is characterized in that the wireless charging device includes: pedestal, is set on the pedestal Refrigeration module and the charging module that is set on the refrigeration module；The refrigeration module includes and the charging module The first substrate of contact, with the second substrates of the base contacts and be set to the first substrate and the second substrate Between at least a pair of first electric conductor, each pair of first electric conductor includes different types of two the first semiconductor components；
Wherein, two the first semiconductors in the case where the refrigeration module powers on, in each pair of first electric conductor It is mobile that charge is generated between component, also, in charge moving process, charge absorbs the charging mould at the first substrate The heat that block generates, distributes the heat at the second substrate.
2. wireless charging device according to claim 1, which is characterized in that in the refrigeration module access failure power supply and institute It states in the case where having the temperature difference between first substrate and the second substrate, each of described each pair of first electric conductor the first half is led It is mobile that charge being generated inside body component, also, with the movement of charge, the refrigeration module exports first voltage, and described first Voltage is used to be the charging module for power supply.
3. wireless charging device according to claim 1, which is characterized in that the wireless charging device further include: setting Electricity generation module between the pedestal and the refrigeration module；The electricity generation module includes contacted with the second substrate It the tetrabasal of three substrates and the base contacts and is set between the third substrate and the tetrabasal extremely The second electric conductor of few a pair, each pair of second electric conductor includes different types of two the second semiconductor components；
Wherein, power in the refrigeration module and have the case where temperature difference between the third substrate and the tetrabasal Under, it is mobile that charge is generated inside the second semiconductor component of each of described each pair of second electric conductor, also, with the shifting of charge Dynamic, the electricity generation module exports second voltage, and the second voltage is used to be the charging module for power supply.
4. wireless charging device according to claim 3, which is characterized in that two in each pair of first electric conductor Semiconductor component is respectively a N-type semiconductor component and a P-type semiconductor component；
Two the second semiconductor components in each pair of second electric conductor are respectively a N-type semiconductor component and a p-type Semiconductor component.
5. wireless charging device according to claim 1, which is characterized in that the wireless charging device further include: setting Layer of silica gel on the charging module.
6. wireless charging device according to any one of claim 1 to 5, which is characterized in that the charging module includes: Transmitting coil and the circuit board being arranged around the transmitting coil, the transmitting coil are contacted with the first substrate, the hair Ray circle and the circuit board are in the same plane.
7. a kind of wireless charging device, which is characterized in that the wireless charging device includes constant current source module and the constant-current source The control module and refrigeration module of module connection and the charging module being connect with the refrigeration module；
Wherein, the refrigeration module is used for:
Under the control of the control module and in the case where receiving the constant current signal that the constant current source module is sent, in institute Under the action of stating constant current signal, radiate to the wireless charging device；
In the case where not receiving the constant current signal that the constant current source module is sent, to the charging module for power supply.
8. wireless charging device according to claim 7, which is characterized in that the wireless charging device further include with it is described The power module of constant current source module, the control module and charging module connection；
The power module, for sending the first power supply signal to the constant current source module under the control of the control module；
The constant current source module, for receiving first power supply signal；And under the control of the control module, by described One power supply signal is converted to the constant current signal；And the constant current signal is sent to the refrigeration module.
9. wireless charging device according to claim 8, which is characterized in that the control module is used for:
Obtain target temperature；
According to the target temperature, the power module is controlled to the constant current source module and sends first power supply signal, and It controls the constant current source module and first power supply signal received is converted into the constant current signal；
Wherein, the terminal device is the terminal device to be charged by the wireless charging device, and the target temperature is described The temperature of the mainboard of terminal device.
10. wireless charging device according to claim 8, which is characterized in that the wireless charging device further include: with institute State the switch module that control module is connected with the refrigeration module, and with the control module, the refrigeration module and described First Voltage stabilizing module of charging module connection；
Wherein, the control module, for controlling the refrigeration module to the wireless charging device by the switch module Heat dissipation, or to the charging module for power supply；
First Voltage stabilizing module, for receiving the system in the case where the refrigeration module is to the charging module for power supply The first voltage that cold module is sent, and under the control of the control module, pressure stabilizing is carried out to the first voltage, and will be steady The first voltage after pressure is sent to the charging module, and the first voltage after pressure stabilizing is used to supply the charging module Electricity.
11. wireless charging device according to claim 10, which is characterized in that the wireless charging device further include: the One anti-back flow circuit, the second anti-back flow circuit and first voltage comparator, the power module pass through the first reverse-filling electricity Road is connect with the charging module, and first Voltage stabilizing module is connected by second anti-back flow circuit and the charging module It connects, the first voltage comparator is connect with the control module, first Voltage stabilizing module and first anti-back flow circuit； Wherein,
First anti-back flow circuit, for preventing the first voltage after pressure stabilizing from inputting the power module；
Second anti-back flow circuit, for preventing second voltage from inputting first Voltage stabilizing module, the second voltage is institute State the voltage of charging module for power supply described in electric power source pair of module；
The first voltage comparator, in the case where different from the second voltage for the first voltage after pressure stabilizing, The first adjustment signal is generated, and sends the first adjustment signal to the control module；
The control module, is also used to receive the first adjustment signal, and according to the first adjustment signal, controls described the The first voltage after pressure stabilizing is adjusted to the second voltage by one Voltage stabilizing module.
12. wireless charging device according to claim 8, which is characterized in that the wireless charging device further include: with institute State the electricity generation module that control module is connected with the refrigeration module, and with the control module, the electricity generation module and described Second Voltage stabilizing module of charging module connection；
Wherein, the electricity generation module, in the case where receiving the heat that the refrigeration module distributes, the heat to be turned It is changed to electric energy, and the electric energy is sent to second Voltage stabilizing module；
Second Voltage stabilizing module carries out tertiary voltage for receiving the electric energy, and under the control of the control module Pressure stabilizing, and the tertiary voltage after pressure stabilizing is sent to the charging module, the tertiary voltage after pressure stabilizing for pair The charging module for power supply, the tertiary voltage are the corresponding voltage of the electric energy.
13. wireless charging device according to claim 12, which is characterized in that the wireless charging device further include: the Three anti-back flow circuits, the 4th anti-back flow circuit and second voltage comparator, the power module pass through the third reverse-filling electricity Road is connect with the charging module, and second Voltage stabilizing module is connected by the 4th anti-back flow circuit and the charging module It connects, the second voltage comparator is connect with the control module, second Voltage stabilizing module and the third anti-back flow circuit；
Wherein, the third anti-back flow circuit, for preventing the tertiary voltage after pressure stabilizing from inputting the power module；
4th anti-back flow circuit, for preventing second voltage from inputting second Voltage stabilizing module, the second voltage is institute State the voltage of charging module for power supply described in electric power source pair of module；
The second voltage comparator, in the case where different from the second voltage for the tertiary voltage after pressure stabilizing, Second adjustment signal is generated, and sends the second adjustment signal to the control module；
The control module, is also used to receive the second adjustment signal, and according to the second adjustment signal, controls described the The tertiary voltage after pressure stabilizing is adjusted to the second voltage by two Voltage stabilizing modules.
14. a kind of control method is applied to wireless charging device, which is characterized in that the wireless charging device includes refrigeration mould Block and the charging module being connect with the refrigeration module, which comprises
In the case where charging to terminal device, target temperature is obtained, the target temperature is the mainboard of the terminal device Temperature；
In the case where the target temperature is greater than first threshold, controls the refrigeration module and the wireless charging device is dissipated Heat；
In the case where the target temperature is less than or equal to the first threshold, the refrigeration module is controlled to the charging mould Block power supply, or the control refrigeration module stop working.
15. control method according to claim 14, which is characterized in that the wireless charging device further include: with it is described The electricity generation module that refrigeration module is connected with the charging module；
After the control refrigeration module is to wireless charging device heat dissipation, further includes:
In the case where the target temperature is greater than the first threshold, controls the electricity generation module and distribute the refrigeration module Heat be converted to electric energy, and using the electric energy to the charging module for power supply.
16. control method according to claim 14 or 15, which is characterized in that described to be greater than first threshold in the temperature In the case where, it controls the refrigeration module and radiates to the wireless charging device, comprising:
In the case where the target temperature is greater than the first threshold and is less than or equal to second threshold, the refrigeration is controlled Module in the flrst mode, radiates to the wireless charging device；
In the case where the target temperature is greater than the second threshold and is less than or equal to third threshold value, the refrigeration is controlled Module under the second mode, radiates to the wireless charging device；
In the case where the target temperature is greater than the third threshold value and is less than or equal to four threshold values, the refrigeration is controlled Module in a third mode, radiates to the wireless charging device；
In the case where the target temperature is greater than four threshold value, stop working；
Wherein, the second threshold is greater than the first threshold, and the third threshold value is greater than the second threshold, the 4th threshold Value is greater than the third threshold value；First radiating efficiency radiates less than the second radiating efficiency, second radiating efficiency less than third Efficiency, first radiating efficiency are the refrigeration module in the first mode to the effect of wireless charging device heat dissipation Rate, second radiating efficiency are the refrigeration module in the second mode to the effect of wireless charging device heat dissipation Rate, the third radiating efficiency are the effect that the refrigeration module radiates to the wireless charging device under the third mode Rate.
CN201810982474.9A 2018-08-27 2018-08-27 A kind of wireless charging device and control method Pending CN108988436A (en)

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