CN108199491A - A kind of charging module and the wireless charging system with the charging module - Google Patents
A kind of charging module and the wireless charging system with the charging module Download PDFInfo
- Publication number
- CN108199491A CN108199491A CN201810024907.XA CN201810024907A CN108199491A CN 108199491 A CN108199491 A CN 108199491A CN 201810024907 A CN201810024907 A CN 201810024907A CN 108199491 A CN108199491 A CN 108199491A
- Authority
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- China
- Prior art keywords
- charging module
- heat radiation
- energy transmission
- charging
- cold end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005855 radiation Effects 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 239000004065 semiconductor Substances 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 108090000565 Capsid Proteins Proteins 0.000 description 1
- 206010021703 Indifference Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- H02J7/025—
-
- 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of charging module and with the charging module wireless charging system.Charging module, the energy transmission including housing and in housing, charging module further include：Heat radiation chip, heat radiation chip include cold end, and cold end is contacted with energy transmission；Detection unit is contacted with housing and/or energy transmission, detects housing and/or the temperature value of energy transmission；Control unit, it is connect respectively with detection unit and heat radiation chip, self-test unit receives temperature value, and a temperature threshold is equipped in control unit, when temperature value is greater than or equal to temperature threshold, control unit sends enabled instruction to heat radiation chip, and control cold end starts, and the heat of energy transmission is made to conduct to cold end.After adopting the above technical scheme, temperature of the charging module in charging can be effectively reduced, user experience is improved.
Description
Technical field
The present invention relates to charge control field more particularly to a kind of charging module and with the charging module wireless charging
System.
Background technology
With the rapid development of mobile terminal such as smart mobile phone and tablet computer, these mobile terminals have become people's life
An essential part in work, while increase with the use demand of user, the function of smart mobile phone also becomes increasingly
It is powerful, it can only make a phone call from pervious, till now the broadcasting music of sending short messages, play video, bluetooth, take pictures, surf the Internet, read
Deng the function of smart mobile phone becomes stronger and stronger, also higher and higher to the power consumption of smart mobile phone.Therefore, to movement end
The continuation of the journey and charging at end also proposed new requirement.
Wireless charging technology ever more popular and start as a result, in mobile phone, Intelligent bracelet, smartwatch field largely uses.
In wireless charging technology, it would be desirable to which the mobile terminal of charging is classified as receiving terminal, it will thus provide the pedestal of electric energy is classified as sending out
Sending end.For current charging technique, the energy coupling efficiency 79% or so of transmitting terminal and receiving terminal, 21% energy of loss is big
It has been partially converted into heat.In addition to this, receiving terminal charge efficiency, it is optimal at present to reach 90% or so.10% energy of loss
Amount, is largely also translated into heat.Two parts heat is gathered in transmitting terminal and receiving terminal contact surface, and temperature is caused to be easily larger than
37 DEG C, if above-mentioned mobile terminal is used at once after charging, after being contacted with human skin, it will have apparent thermal sensation, serious shadow body
Test effect.
In order to solve heat dissipation problem, wireless charging pedestal would generally increase metal fin or fan.Cooling fin can change
Become heat dissipation path, but after reaching thermal balance, contact surface temperature can't be substantially reduced；Fan accelerates receiving portion heat diffusion
To ambient enviroment, but fan electromotor noise is larger.
Even user charges to mobile terminal using conventional wired charging technology, and wired charging pedestal similarly exists
The phenomenon that overheat.
Therefore, it is necessary to a kind of for wireless charging and the New-type charge module of wired charging technology, it can be effectively reduced and fill
Temperature of the electric module in charging, improves user experience.
Invention content
In order to overcome above-mentioned technological deficiency, the purpose of the present invention is to provide a kind of charging module and with the charging module
Wireless charging system, the part that always can be contacted charging module with user according to user demand is controlled in a certain range
It is interior.
The invention discloses a kind of charging module, the energy transmission including housing and in the housing is described
Charging module further includes：
Heat radiation chip, the heat radiation chip include cold end, and the cold end is contacted with the energy transmission；
Detection unit is contacted with the housing and/or energy transmission, detects the housing and/or energy transmission member
The temperature value of part；
Control unit is connect respectively with the detection unit and heat radiation chip, and the temperature is received from the detection unit
Value, and a temperature threshold is equipped in described control unit, when the temperature value is greater than or equal to the temperature threshold, the control
Unit processed sends enabled instruction to the heat radiation chip, and the cold end is controlled to start, passes the heat of the energy transmission
It is directed at the cold end.
Preferably, the charging module is wireless charging pedestal.
Preferably, the heat radiation chip is semiconductor chip；The energy transmission is coupling coil, wherein described cold
End face is set to the coupling coil.
Preferably, charging module further includes：
Heat conducting element is located between the cold end of the semiconductor chip and the coupling coil.
Preferably, the charging module further includes：
Heat dissipation element is bonded with the heat radiation chip.
Preferably, described control unit includes：
Control mainboard connect to receive the temperature value and/or with the energy transmission connect with the detection unit
Receive and send electric energy；
Driving chip is connect with the heat radiation chip, and supply current is provided to the heat radiation chip.
Preferably, the supply current is 10-200mA.
Preferably, the charging module is wired charging seat；The energy transmission is charging circuit.
Preferably, described control unit is additionally configured to：
When the temperature value is less than the temperature threshold, described control unit, which sends to close to the heat radiation chip, to be referred to
It enables, the cold end is controlled to turn off.
The invention also discloses a kind of wireless charging system, including the mobile terminal being mutually coupled and above-mentioned charging module,
The mobile terminal is placed on the charging module.
After employing above-mentioned technical proposal, compared with prior art, have the advantages that：
1. radiation processes are noiseless, the experience of user is improved；
2. compared to original radiating mode, thermal balance can be broken through, temperature is reduced to the preferred temperature of user.
Description of the drawings
Fig. 1 is the sectional view for meeting charging module in one embodiment of the present invention；
Fig. 2 is the heat dissipation flow diagram for meeting charging module in one embodiment of the present invention；
Fig. 3 is the structure diagram for meeting charging module in one embodiment of the present invention.
Reference numeral：
10- charging modules, 11- housings, 12- energy transmissions, 13- heat radiation chips, 14- control units, 15- heat conduction member
Part, 16- heat dissipation elements.
Specific embodiment
The advantages of the present invention is further explained below in conjunction with attached drawing and specific embodiment.
Refering to Fig. 1, to meet the sectional view of charging module 10 in one embodiment of the present invention.In the embodiment, charging
Module 10 includes forming the housing 11 of its profile and as the energy powered to the external mobile terminal connecting with the charging module 10
Measure transfer element 12.In charging module 10 is the different embodiments of charging or movable type, energy transmission 12 will be electric
The electric energy in source is provided at mobile terminal.To radiate to charging module 10, further included in charging module 10：
Heat radiation chip
Heat radiation chip be configured to it is electric after, will partly or entirely cool down, formed temperature compared to it is electric before lower cold end,
Such as semiconductor chip based on paltie effect, the cold end which is lower are contacted with energy transmission 12, to reduce energy
The waste heat that amount transfer element 12 is generated in power supply.
It is understood that cold end contact with energy transmission 12 in the embodiment, can be that cold end is passed with energy
Defeated element 12 is in direct contact by being bonded, connecting etc. or is folded in cold end and energy transmission member by third party's component
Which kind of way of contact mediate contact between part 12 is not limited to.
Detection unit
In charging module 10, to realize to the housing 11 of charging module 10 and/or being cooled to for energy transmission 12
The preferred temperature of user needs to know the component of the Current Temperatures of above-mentioned component in real time, therefore, the setting of detection unit,
By with and/or energy transmission 12 contact, to detect the temperature value of housing 11 and/or energy transmission 12.For example,
The devices such as thermocouple, negative temperature coefficient resister, positive temperature coefficient resistor, temperature sensor can be used in detection unit, to monitor shell
The temperature of body 11 and/or energy transmission 12.
Control unit 14
Based on heat radiation chip and detection unit, a control unit 14 is additionally provided in charging module 10, respectively with detection
Unit and heat radiation chip connection, control unit 14 will receive housing 11 and/or the energy transmission that it is detected at self-test unit
The temperature value of element 12, meanwhile, a temperature threshold is equipped in control unit 14, it acceptable 37 DEG C or lower such as human body, should
Temperature threshold it is expected 11 surface of housing of charging module 10 and the temperature that the possible contact portion of user reaches by user.With
After the temperature threshold, referring to Fig.2, compared with by its temperature value with detection unit detection, when temperature value is greater than or equal to temperature threshold
During value, control unit 14 will determine that when the temperature on 11 surface of procapsid has been more than the acceptable temperature of human body, it need to be dropped
Temperature, as a result, control unit 14 connect by the communication with heat radiation chip, be sent to an enabled instruction, heat radiation chip receives should
After enabled instruction, start to work, such as semiconductor chip, obtain it is electric after freeze to form above-mentioned cold end to side, utilize heat transfer
Principle conducts the heat in the energy transmission 12 contacted with cold end to cold end, then discharged by cold end.Meanwhile in heat
During conduction, still in real time by the temperature of detection unit detection housing 11, judge whether the temperature value is greater than or equal to
Temperature threshold realizes continued down.
By above-mentioned configuration, using the property of heat radiation chip in itself, the use of small fan is can use, is reduced in radiation processes
Noise, in addition, temperature threshold can be set according to the demand of user, cooling-down effect is adjustable.
The structure of charging module 10 is described in detail below according to different charging techniques.
Embodiment one
In the embodiment for using wireless charging technology, refering to Fig. 3, which is wireless charging pedestal, wherein
Used heat radiation chip is semiconductor chip, and energy transmission 12 then to be coupled with external mobile terminal, utilizes electromagnetism
The coupling coil of effect charging.It is substrate with control unit 14 in housing 11, deposits semiconductor chip, coupling coil respectively,
So as to form the charging module 10.
In addition, charging module 10 further includes heat conducting element 15, such as heat-conducting glue, the cold end of semiconductor chip is folded in coupling
Between coil, accelerate coupling coil and the heat transfer of cold end.
Further, heat dissipation element 1613, such as common cooling fin are equipped in charging module 10, by the heat dissipation on cooling fin
Pedestal is bonded with semiconductor chip, and by the fin of cooling fin towards the air layer or spare space in housing 11, to complete certainly
Coupling coil --- the heat dissipation path of heat-conducting glue --- semiconductor chip --- cooling fin.
Embodiment two
In the technology for using wired charging, the charging module 10 that is plugged on socket from alternating current obtain it is electric after, through such as charging
The energy transmission 12 of circuit charges to the mobile terminal of external connection.It in this embodiment, also can be in energy transmission member
Semiconductor chip between part 12 and housing 11 is set or semiconductor chip is set in the side of energy transmission 12, will be charged
Heat on the housing 11 of module 10 conducts the part that can not be contacted to human body.
In above-described embodiment one or embodiment two, control unit 14 may include control mainboard and driving chip, control master
Plate connecting detection unit receives temperature value, can also be connect with energy transmission, as wireless charging energy transmitting circuit, to
Energy transmission such as coupling coil sends electric energy, and driving chip is then connect with heat radiation chip, and confession is provided to heat radiation chip
Electric current, such as when heat radiation chip be semiconductor chip when, due to semiconductor chip refrigerating capacity with by current related,
It can realize that the refrigerating capacity of semiconductor chip is adjustable according to the control of supply current, so as to adjust the feelings of temperature threshold in user
Under condition, it can also realize that indifference cools down.
The size of supply current can be 10-200mA, the charging module 10 of power 3W.It is understood that for higher
The charging module 10 of power, it is corresponding to improve supply current, however it is not limited to above-mentioned electric current section.
More intelligently to control heat radiation chip, and electric energy is saved, the control for control unit 14 can also configure
For：If heat radiation chip persistently absorbs heat, when the temperature value of housing 11 is reduced to below temperature threshold, control unit 14 will additionally to
Heat radiation chip sends out code, and heat radiation chip contact work after cold end shutdown, is no longer absorbed heat.
It, can be by the charging module 10 during using the charging module 10 in any of the above-described embodiment as the pedestal of wireless charging
It places in the plane, mobile terminal is placed on charging module 10, to mobile terminal wireless charging.Even if user takes mobile terminal away
It uses, based on above-mentioned configuration, during user's hand-held mobile terminal, the temperature on surface has been lowered to predetermined temperature threshold value,
Usage experience is not interfered with.
It should be noted that the embodiment of the present invention has preferable implementation, and not the present invention is made any type of
Limitation, any one skilled in the art change or are modified to possibly also with the technology contents of the disclosure above equivalent effective
Embodiment, as long as without departing from the content of technical solution of the present invention, what technical spirit according to the present invention made above example
Any modification or equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of charging module, the energy transmission including housing and in the housing, which is characterized in that the charging
Module further includes：
Heat radiation chip, the heat radiation chip include cold end, and the cold end is contacted with the energy transmission；
Detection unit is contacted with the housing and/or energy transmission, detects the housing and/or energy transmission
Temperature value；
Control unit is connect respectively with the detection unit and heat radiation chip, and the temperature value is received from the detection unit, and
A temperature threshold is equipped in described control unit, when the temperature value is greater than or equal to the temperature threshold, the control is single
Member sends enabled instruction to the heat radiation chip, and the cold end is controlled to start, make the energy transmission heat conduct to
The cold end.
2. charging module as described in claim 1, which is characterized in that
The charging module is wireless charging pedestal.
3. charging module as claimed in claim 2, which is characterized in that
The heat radiation chip is semiconductor chip；
The energy transmission is coupling coil, wherein
The cold end is set towards the coupling coil.
4. charging module as claimed in claim 3, which is characterized in that
Charging module further includes：
Heat conducting element is located between the cold end of the semiconductor chip and the coupling coil.
5. charging module as described in claim 1, which is characterized in that
The charging module further includes：
Heat dissipation element is bonded with the heat radiation chip.
6. charging module as described in claim 1, which is characterized in that
Described control unit includes：
Control mainboard connect to receive the temperature value and/or connect hair with the energy transmission with the detection unit
Power transmission energy；
Driving chip is connect with the heat radiation chip, and supply current is provided to the heat radiation chip.
7. charging module as claimed in claim 6, which is characterized in that
The supply current is 10-200mA.
8. charging module as described in claim 1, which is characterized in that
The charging module is wired charging seat；
The energy transmission is charging circuit.
9. charging module as described in claim 1, which is characterized in that
Described control unit is additionally configured to：
When the temperature value is less than the temperature threshold, described control unit sends out code, control to the heat radiation chip
Make the cold end shutdown.
10. a kind of wireless charging system, which is characterized in that including the mobile terminal that is mutually coupled and as described in claim 1
Charging module, the mobile terminal are placed on the charging module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024907.XA CN108199491A (en) | 2018-01-10 | 2018-01-10 | A kind of charging module and the wireless charging system with the charging module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024907.XA CN108199491A (en) | 2018-01-10 | 2018-01-10 | A kind of charging module and the wireless charging system with the charging module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108199491A true CN108199491A (en) | 2018-06-22 |
Family
ID=62588975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810024907.XA Pending CN108199491A (en) | 2018-01-10 | 2018-01-10 | A kind of charging module and the wireless charging system with the charging module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108199491A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108936986A (en) * | 2018-08-14 | 2018-12-07 | 歌尔科技有限公司 | Intelligent bracelet with shell temperature detection function |
| CN108988436A (en) * | 2018-08-27 | 2018-12-11 | 维沃移动通信有限公司 | A kind of wireless charging device and control method |
| CN110316006A (en) * | 2019-07-29 | 2019-10-11 | 重庆长安新能源汽车科技有限公司 | A kind of electric car charging onboard equipment cooling control system and method |
| WO2020001017A1 (en) * | 2018-06-28 | 2020-01-02 | 欧格仕（厦门）科技有限公司 | Wireless charging apparatus |
| CN110752638A (en) * | 2019-10-29 | 2020-02-04 | 大陆汽车电子(长春)有限公司 | Vehicle-mounted wireless charging controller |
| CN111342504A (en) * | 2018-12-18 | 2020-06-26 | 北京小米移动软件有限公司 | Wireless charger |
| WO2020133150A1 (en) * | 2018-12-28 | 2020-07-02 | 广东高普达集团股份有限公司 | Active cooling wireless charger |
| CN113811140A (en) * | 2020-06-16 | 2021-12-17 | 北京小米移动软件有限公司 | Heat dissipation control method and device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020001017A1 (en) * | 2018-06-28 | 2020-01-02 | 欧格仕（厦门）科技有限公司 | Wireless charging apparatus |
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| WO2020133150A1 (en) * | 2018-12-28 | 2020-07-02 | 广东高普达集团股份有限公司 | Active cooling wireless charger |
| CN110316006A (en) * | 2019-07-29 | 2019-10-11 | 重庆长安新能源汽车科技有限公司 | A kind of electric car charging onboard equipment cooling control system and method |
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| CN113811140A (en) * | 2020-06-16 | 2021-12-17 | 北京小米移动软件有限公司 | Heat dissipation control method and device and storage medium |
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