CN204886431U - Wireless charger of multi -functional coil - Google Patents
Wireless charger of multi -functional coil Download PDFInfo
- Publication number
- CN204886431U CN204886431U CN201520469306.1U CN201520469306U CN204886431U CN 204886431 U CN204886431 U CN 204886431U CN 201520469306 U CN201520469306 U CN 201520469306U CN 204886431 U CN204886431 U CN 204886431U
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- Prior art keywords
- resistance
- wireless charger
- power supply
- comparator
- lower casing
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Abstract
The utility model discloses a wireless charger of multi -functional coil, including casing, an at least receiver, controller and transmitter, the casing comprises epitheca and inferior valve, be equipped with the fixed position of transmitter in the epitheca, the fixed position of transmitter in the epitheca is installed to the transmitter, at least one position of charging is established on the surface of epitheca, and portable electronic equipment places in the position of charging, the controller is installed in the inferior valve, is equipped with cooling parts in the inferior valve, this wireless charger of multi -functional coil can be a plurality of portable electronic equipment simultaneously and supply the electric quantity, moreover, simple structure, the equipment is convenient, adds to establish the radiating part, guarantees the long -time use of charger, has fine market using value.
Description
Technical field
The utility model relates to field of mobile terminals, in particular, and a kind of Multifunctional coil wireless charger.
Background technology
Wireless charging is that one does not need to be connected by conductor, or the charging new technology of plug connector grafting.Apply the fail safe that this technology can strengthen electricity consumption, and there will not be the faults such as connector loose contact, therefore deeply by the concern of various countries researcher.
Along with the development of technology, increasing portable electric appts has come into the life of people, has brought many facilities; And most people is when these products of use, being all that charge power supply is inserted in above supply socket for a long time for avoiding trouble, needing use to be just directly inserted on mobile phone or electronic product, charger electricity loss when not using certainly will being caused like that; In addition, universal due to intelligent mobile terminal (as: smart mobile phone, flat board), most of crowd changes intelligent mobile terminal all, but much larger than legacy equipment of its power consumption, when people go out, often run into the situation of no electricity, therefore, need one can supplement electricity in time, and meet the charging device that many people use simultaneously, therefore, prior art existing defects, needs to improve.Utility model content
Technical problem to be solved in the utility model is to provide a kind of new multistandard wireless charger.
For achieving the above object, the utility model have employed following technical scheme: a kind of Multifunctional coil wireless charger, comprises housing, controller and reflector, described housing is made up of upper casing and lower casing, be provided with reflector fixed bit in described upper casing, described reflector is arranged on the reflector fixed bit in upper casing, at least one charge position is established on the surface of described upper casing, and portable electric appts is placed on charge position, described controller is arranged in lower casing, is provided with thermal component in described lower casing, and described controller comprises switching circuit, detecting unit, described switching circuit is connected between described power supply connector and described change-over circuit, is interrupted by the connected sum controlling charging circuit that is turned on or off of switching circuit, described detecting unit comprises the first comparator, second comparator, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, first triode and the first electric capacity, first resistance, second resistance and the 3rd resistance are connected between power supply and ground successively, 5th resistance is connected between the forward end of the first comparator and the junction of the first resistance and the second resistance, the backward end of the first comparator connects the junction of the second resistance and the 3rd resistance, the output of the first comparator connects the backward end of the second comparator, the forward end of the second comparator connects the junction of the first resistance and the second resistance, the base stage of the first triode is connected after output connection the 4th resistance of the second comparator, the first electric capacity is connected with between the collector electrode of the first triode and emitter, the grounded emitter of the first triode.
Preferably, in described a kind of Multifunctional coil wireless charger, the cross section of described housing is quadrangle; Described lower casing establishes at least four installation portions, and at least four installation positions are established in the bottom of described upper casing, and each described installation portion and each described installation position one_to_one corresponding are arranged, for described installation portion is fixed on described installation position.
Preferably, in described a kind of Multifunctional coil wireless charger, the described installation position that described installation portion is corresponding with it is fixing for being spirally connected.
Preferably, in described a kind of Multifunctional coil wireless charger, the described installation portion described installation position corresponding with it is for connecting and fixing.
Preferably, in described a kind of Multifunctional coil wireless charger, described thermal component comprises a fan; The lateral wall of described lower casing is provided with heat-radiation belt, the center of described heat-radiation belt and the center superposition of lateral wall.
Preferably, in described a kind of Multifunctional coil wireless charger, described heat-radiation belt is provided with shutter, and the louver angle of described shutter is set between 5 °-25 °, and the spacing of shutter is set between 1mm-5mm.
Preferably, in described a kind of Multifunctional coil wireless charger, the sidewall of described lower casing is provided with power supply connector and USB, and described reflector is connected with described power supply connector by controller, and described power supply connector connects external power supply; Also be provided with electric pressure converter in described lower casing, described power supply connector is connected with USB by electric pressure converter.
Preferably, in described a kind of Multifunctional coil wireless charger, described reflector comprises change-over circuit, high frequency conversion circuit, transmitting coil, and described change-over circuit, described high frequency conversion circuit, described transmitting coil connect successively.
Preferably; in described a kind of Multifunctional coil wireless charger, described receiver is installed in portable electric appts, and described receiver comprises receiving coil, protective circuit; described receiving coil is connected with protective circuit, and described protective circuit is connected with the charging end of portable electric appts.
Relative to the beneficial effect of prior art be, adopt such scheme, whether the utility model utilizes the detecting unit of controller to place by fill device to detect on wireless charger, and is turned on or off by switching circuit the idle function realizing wireless charger, can save considerable electric energy, meet environment protection requirement better, can also supplement electricity for multiple portable electric appts, and structure is simple simultaneously, easy to assembly, add heat radiation
Portion, ensures the long-time use of charger, has good market using value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the block diagram of the utility model embodiment.
Embodiment
For the ease of understanding the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to the embodiment described by this specification.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.The term " clamping " that this specification uses, " successively " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology of using of this specification and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in specification of the present utility model in this specification just in order to describe specific embodiment is not for limiting the utility model.
As shown in Figure 1 and Figure 2, a kind of Multifunctional coil wireless charger that the present embodiment proposes, comprises housing, at least one receiver 20, controller 30 and reflector 13; Described housing is made up of upper casing 1 and lower casing 6; The cross section of described housing is quadrangle; Described lower casing establishes at least four installation portions, and at least four installation positions are established in the bottom of described upper casing, and each described installation portion and each described installation position one_to_one corresponding are arranged, for described installation portion is fixed on described installation position.Preferably, the described installation position that described installation portion is corresponding with it is fixing for being spirally connected.Preferably, the described installation position that described installation portion is corresponding with it is for connecting and fixing.As, four sidewall upper of lower casing arrange eight buckles, and eight draw-in grooves are established in the position of the corresponding buckle of lower casing four sidewall bottom, and upper casing and lower casing snap in the mode of draw-in groove by buckle, realize cassette and connect, be more convenient to assembling, improve production efficiency.
Be provided with reflector fixed bit in described upper casing, described reflector is arranged on the reflector fixed bit in upper casing; Described reflector 13 comprises change-over circuit 12, high frequency conversion circuit 8, transmitting coil 11, and described change-over circuit 12, described high frequency conversion circuit 8, described transmitting coil 11 connect successively.In the transmitter, change-over circuit is used for the voltage input voltage of external power supply being converted to applicable high frequency conversion circuit, change-over circuit and high frequency conversion circuit connected in series; This high frequency conversion circuit is used for the alternating voltage direct voltage that change-over circuit exports being converted to high frequency, this high frequency conversion circuit adopts full-bridge or half-bridge topology circuit, this high frequency conversion circuit is connected with transmitting coil, alternating voltage is converted to electromagnetic radiation and goes out by this transmitting coil, and described receiver is for receiving specific electromagnetic wave and producing electric energy.
Described controller 30 is arranged in lower casing 6, described controller 30 comprises switching circuit 31, detecting unit 33, described switching circuit 31 is connected between described power supply connector 7 and described change-over circuit 12, is interrupted by the connected sum controlling charging circuit that is turned on or off of switching circuit.Or, another kind of connected mode is, described switching circuit in series is in the loop of described change-over circuit, described high frequency conversion circuit, described transmitting coil composition, when switching circuit conducting, loop conducting, wireless charger normally works, for being charged by fill device, when switching circuit disconnects, loop disconnects, and wireless charger is in idle state.
Described detecting unit for detect wireless charger whether be connected to charging equipment or charging whether complete, if wireless charger is connected to charging equipment or charging equipment completes, output loading feedback signal, described controller control switch circuit communication transmitter circuit, reflector starts charging, otherwise, output no-load signal, control unit control switch circuit is opened, and external power supply and reflector disconnect, and reflector stops charging.As, in the present embodiment, detecting unit comprises the first comparator, second comparator, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, first triode and the first electric capacity, first resistance, second resistance and the 3rd resistance are connected between power supply and ground successively, 5th resistance is connected between the forward end of the first comparator and the junction of the first resistance and the second resistance, the backward end of the first comparator connects the junction of the second resistance and the 3rd resistance, the output of the first comparator connects the backward end of the second comparator, the forward end of the second comparator connects the junction of the first resistance and the second resistance, the base stage of the first triode is connected after output connection the 4th resistance of the second comparator, the first electric capacity is connected with between the collector electrode of the first triode and emitter, the grounded emitter of the first triode.
Preferably, described controller is also provided with control switch 4, and described control switch is connected between described power supply connector 7 and described change-over circuit 12, and described control switch is for disconnecting charging circuit, so that artificial controls charging circuit, decrease certain security incident.
Described receiver 20 is installed in portable electric appts; described receiver is used for producing induced electromotive force according to the magnetic flux change of surrounding magnetic field; described receiver 20 comprises receiving coil 21, protective circuit 22; described receiving coil is connected with protective circuit, and described protective circuit is connected with the charging end of portable electric appts.A reflector can be multiple receiver provides the energy, due to the electrical power stabilization that volume is minimum and provide, any electrical equipment can be installed on, to replace the electric wire of battery or connection supply socket, electrical equipment is become wireless status, make using and charging more convenient of electrical equipment, receiver also can be made to connect rechargeable battery, for subsequent use to carry out storage to the electric energy of conversion gained.
Preferably, at least one charge position 2 is established on the surface of described upper casing 1, and portable electric appts is placed on charge position, described charge position is a groove, and the groove depth of described groove is 2MM to 5MM, and the thickness of mobile phone popular in the market can not be less than 2MM, therefore, when being placed on charge position charging, also having part to exceed upper casing plane, is convenient to user and takes out mobile phone, or, relatively guide groove is provided with in groove edge, the size of described groove is mated mutually with the size of portable electric appts, user can be taken out by the guide groove of recess edge, use can become very convenient, as, seven charge position are established on the surface of upper casing, the size of groove respectively with i Phone 4S, i Phone 5S, Meizu MX4, Samsung GALAXYNote4, Huawei Mate7, Sony XperiaZ3, Huawei AscendP7 matches, groove size is only citing herein, be not limited thereto, concrete, can change according to instantly popular handset size.
Because the energy that transmits between reflector and receiver is large, each device on charger is easily generated heat, for this reason, thermal component is set to disperse the heat energy of each device, guarantee stable, useful life of extending product of each device with this; Preferably, be provided with thermal component in described lower casing 6, described thermal component comprises a fan; The lateral wall of described lower casing is provided with heat-radiation belt 3, the center of described heat-radiation belt and the center superposition of lateral wall.
Preferably, the length of described heat-radiation belt is not less than 1/2 of lower casing lateral wall length.Further, two lateral walls that lower casing is relative are equipped with heat-radiation belt.Further, described heat-radiation belt is provided with shutter, and the louver angle of described shutter is set between 5 °-25 °, and the spacing of shutter is set between 1mm-5mm.Described heat-radiation belt is aluminium strip, and on heat-radiation belt, offer the louvre of venetian blind type, and not only the more direct heat by charger generation distributes, and meanwhile, avoids external dust to enter charger internal.
In a kind of Multifunctional coil wireless charger, the sidewall of described lower casing 6 is provided with power supply connector 7 and USB 5, described reflector is connected with described power supply connector by controller, and described power supply connector connects external power supply, for providing input voltage for this charger; Preferably, also electric pressure converter is provided with in described lower casing, described power supply connector is connected with USB by electric pressure converter, by the voltage that external power supply inputs, convert the operating voltage of suitable mobile phone charging to, when charge position deficiency, user by wired mode, for portable electric appts supplements electricity; Further, the sidewall of described lower casing is provided with multiple USB, is convenient to more portable electric appts and supplements electricity.
It should be noted that, above-mentioned each technical characteristic continues combination mutually, is formed not in above-named various embodiment, is all considered as the scope that the utility model specification is recorded; Further, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to the utility model claims.
Claims (8)
1. a Multifunctional coil wireless charger, comprises housing, controller and reflector, described housing is made up of upper casing and lower casing, be provided with reflector fixed bit in described upper casing, described reflector is arranged on the reflector fixed bit in upper casing, at least one charge position is established on the surface of described upper casing, and portable electric appts is placed on charge position, described controller is arranged in lower casing, is provided with thermal component, it is characterized in that in described lower casing, and described controller comprises switching circuit, detecting unit, described switching circuit is connected between power supply connector and change-over circuit, is interrupted by the connected sum controlling charging circuit that is turned on or off of switching circuit, described detecting unit comprises the first comparator, second comparator, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, first triode and the first electric capacity, first resistance, second resistance and the 3rd resistance are connected between power supply and ground successively, 5th resistance is connected between the forward end of the first comparator and the junction of the first resistance and the second resistance, the backward end of the first comparator connects the junction of the second resistance and the 3rd resistance, the output of the first comparator connects the backward end of the second comparator, the forward end of the second comparator connects the junction of the first resistance and the second resistance, the base stage of the first triode is connected after output connection the 4th resistance of the second comparator, the first electric capacity is connected with between the collector electrode of the first triode and emitter, the grounded emitter of the first triode.
2. a kind of Multifunctional coil wireless charger according to claim 1, is characterized in that, the cross section of described housing is quadrangle; Described lower casing establishes at least four installation portions, and at least four installation positions are established in the bottom of described upper casing, and each described installation portion and each described installation position one_to_one corresponding are arranged, for described installation portion is fixed on described installation position.
3. a kind of Multifunctional coil wireless charger according to claim 2, is characterized in that, the described installation position that described installation portion is corresponding with it is fixing for being spirally connected.
4. a kind of Multifunctional coil wireless charger according to claim 2, is characterized in that, the described installation portion described installation position corresponding with it is for connecting and fixing.
5. a kind of Multifunctional coil wireless charger according to claim 2, it is characterized in that, described thermal component comprises a fan;
The lateral wall of described lower casing is provided with heat-radiation belt, the center of described heat-radiation belt and the center superposition of lateral wall.
6. a kind of Multifunctional coil wireless charger according to claim 5, it is characterized in that, described heat-radiation belt is provided with shutter, and the louver angle of described shutter is set between 5 °-25 °, and the spacing of shutter is set between 1mm-5mm.
7. a kind of Multifunctional coil wireless charger according to claim 6, it is characterized in that, the sidewall of described lower casing is provided with power supply connector and USB, described reflector is connected with described power supply connector by controller, described power supply connector connects external power supply, for providing input voltage for this charger; Also be provided with electric pressure converter in described lower casing, described power supply connector is connected with USB by electric pressure converter.
8. a kind of Multifunctional coil wireless charger according to claim 7, is characterized in that, described reflector comprises change-over circuit, high frequency conversion circuit, transmitting coil;
Described change-over circuit, described high frequency conversion circuit, described transmitting coil connect successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520469306.1U CN204886431U (en) | 2015-07-03 | 2015-07-03 | Wireless charger of multi -functional coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520469306.1U CN204886431U (en) | 2015-07-03 | 2015-07-03 | Wireless charger of multi -functional coil |
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| Publication Number | Publication Date |
|---|---|
| CN204886431U true CN204886431U (en) | 2015-12-16 |
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ID=54830752
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520469306.1U Expired - Fee Related CN204886431U (en) | 2015-07-03 | 2015-07-03 | Wireless charger of multi -functional coil |
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| CN (1) | CN204886431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230038599A1 (en) * | 2021-08-03 | 2023-02-09 | Potens Semiconductor Corp. | Electromagnetic interference regulator by use of capacitive parameters of field-effect transistor |
-
2015
- 2015-07-03 CN CN201520469306.1U patent/CN204886431U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230038599A1 (en) * | 2021-08-03 | 2023-02-09 | Potens Semiconductor Corp. | Electromagnetic interference regulator by use of capacitive parameters of field-effect transistor |
| US11804834B2 (en) * | 2021-08-03 | 2023-10-31 | Potens Semiconductor Corp. | Electromagnetic interference regulator by use of capacitive parameters of field-effect transistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |