CN103744492A - Heat dissipation cushion for wireless charging notebook computer - Google Patents
Heat dissipation cushion for wireless charging notebook computer Download PDFInfo
- Publication number
- CN103744492A CN103744492A CN201310581742.3A CN201310581742A CN103744492A CN 103744492 A CN103744492 A CN 103744492A CN 201310581742 A CN201310581742 A CN 201310581742A CN 103744492 A CN103744492 A CN 103744492A
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- Prior art keywords
- notebook computer
- receiver
- heat dissipation
- wireless charging
- fan
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Abstract
The invention discloses a heat dissipation cushion for a wireless charging notebook computer. The heat dissipation cushion comprises a heat dissipation frame, a fan and a support, and is characterized in that the heat dissipation cushion further comprises a storage battery, a receiver, a switch and a matched emitter; the emitter is provided with a USB interface and connected with an external power supply; the support is arranged at the bottom of the upper end of the heat dissipation frame, the fan is arranged in the middle of the heat dissipation frame, and the storage battery, the receiver and the switch are arranged at the lower end of the heat dissipation frame; the receiver is in wireless signal transmission connection with the emitter, and the receiver is further connected with the storage battery, the switch and the fan in sequence. The power supply of the notebook computer is used for carrying out wireless charging on the storage battery, the complexity and inconvenience of a connecting wire are reduced, the emitter with the USB interface can be pulled out when charging is needed, and the normal usage of the heat dissipation cushion is achieved while a USB interface of the notebook computer is not occupied.
Description
Technical field
The invention discloses a kind of wireless charging cooling pad of notebook computer, relate to wireless charging technical field.
Background technology
Heat dissipation pad for notebook computer is a kind of common computer peripheral product, for the feature of the little weak heat-dissipating of notebook computer fan, uses the mat with additional fan to help laptop radiating.In prior art, conventional cooling pad of notebook computer is to utilize the cooling pad that usb data line is to be connected with notebook computer mostly, connecting line in actual use procedure than be easier to cause with other electric wire data line mutually mixed around, in the process of mobile notebook, be also inconvenient to move.In addition, the power supply of usb data line needs to take a USB port on notebook computer in the normal process of using always, and this has brought puzzlement just to other normal use that need to connect equally USB port computer fittings.
Wireless charger refers to the equipment that utilizes electromagnetic wave induction principle to charge, and principle is similar to transformer.At sending and receiving end, respectively have a coil, transmitting terminal coil connects wired power generation electromagnetic signal, thereby the electromagnetic signal generation current of the coil-induced transmitting terminal of receiving end charges the battery.Wireless charging technology has obtained 20 patents in 2007, plurality of devices can be used wired charge condition of charging base station, mobile phone, MP3 player, electric tool and other a power supply adaptor can not exist.By using the magnetic field transmission electric energy producing between coil, using inductive coupling technology as the bridge that connects charging base station and equipment.
Summary of the invention
Technical matters to be solved by this invention is: for the defect of prior art, provide a kind of wireless charging cooling pad of notebook computer.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A wireless charging cooling pad of notebook computer, comprises heat radiation rack, fan, support, also comprise accumulator, receiver, switch and with the matching used transmitter of receiver; Described transmitter is provided with the USB interface being connected in order to the power supply with outside; Described support is arranged at the bottom of heat radiation rack upper end, and fan is arranged at the middle part of heat radiation rack, and accumulator, receiver, switch are all arranged at heat radiation rack lower end; Between receiver and transmitter, set up transmission of wireless signals and be connected, receiver is also connected with accumulator, switch fan successively.Concrete assumed position and the annexation of heat radiation rack, fan, support can adopt mode common in prior art, are not inventive points of the present invention, are not specifically limited.
As present invention further optimization scheme, described accumulator is Rechargeable dry battery.
As present invention further optimization scheme, described accumulator is charged lithium cells.
As present invention further optimization scheme, the material of described heat radiation rack is aluminium alloy.
As present invention further optimization scheme, the material of described support is anti-slip rubber.
The present invention adopts above technical scheme compared with prior art, there is following technique effect: the present invention utilizes the power supply of notebook computer itself to carry out wireless charging to accumulator, reduced the loaded down with trivial details and inconvenient of connecting line, can extract the transmitter of USB interface rushing phone, make the normal use of cooling pad not take the USB port of notebook computer.
Accompanying drawing explanation
Fig. 1 is connection diagram in kind of the present invention,
Wherein: 1. heat radiation rack, 2. fan, 3. support, 4. accumulator, 5. receiver, 6. switch, 7. transmitter.
Fig. 2 is the circuit diagram of wireless charging technology,
Wherein: 8. the charged side circuit of transmitter signal, the 9. signal of receipts electricity lateral circuit, 10. primary coil, 11. secondary coils of receiver.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, described wireless charging cooling pad of notebook computer, comprises heat radiation rack, fan, support to connection diagram in kind of the present invention, also comprises accumulator, receiver, switch and matching used transmitter; Described transmitter is provided with USB interface, is connected with outside power supply; Described support is arranged at the bottom of heat radiation rack upper end, and fan is arranged at the middle part of heat radiation rack, and accumulator, receiver, switch are all arranged at heat radiation rack lower end; Between receiver and transmitter, set up transmission of wireless signals and be connected, receiver is also connected with accumulator, switch fan successively.
As present invention further optimization scheme, described accumulator is Rechargeable dry battery.
As present invention further optimization scheme, described accumulator is charged lithium cells.Charged lithium cells is than Rechargeable dry battery, and charge volume is larger, and service time is longer.
As present invention further optimization scheme, the material of described heat radiation rack is aluminium alloy.Aluminium alloy light is durable, also can use plastics or other common materials.
As present invention further optimization scheme, the material of described support is anti-slip rubber.The design of support makes notebook after being placed on cooling pad, the sight line of the screen angle that human eye is watched of more fitting.
As shown in Figure 2, circuit integral body is divided into the charged side circuit of transmitter and the receipts of receiver electricity lateral circuit to circuit connection diagram of the present invention, by primary coil, secondary coil, carries out the transmission that Energy Coupling is realized energy.During system works, input end is transformed into direct current by electric main through full bridge rectifier, and DC power supply terminal is directly system power supply.The direct current of exporting after power management module converts high-frequency alternating current to by active crystal oscillator inversion and supplies with armature winding.By 2 telefault coupling energies, through accepting change-over circuit, to be varied to direct current be battery charging to the electric current of secondary coil output.The electric field that the magnetic field changing can change, the magnetic field that the electric field changing can change, its size all has relation with their rate of change, and the rate of change of sine function is another one sine function, so electromagnetic wave can blaze abroad, and the generation of induced voltage is relevant with the variation of magnetic flux, so the magnetic field that coil inside changes produces induced voltage, thus the charging process of completing.The charging modes of wireless charging, separates by common transformer primary and secondary level the object that reaches wireless exactly.The frequency of operation of wireless charging is higher, even can abandon the effect that energy transmits that directly just can reach between coil unshakable in one's determination.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, makes a variety of changes.
Claims (5)
1. a wireless charging cooling pad of notebook computer, comprises heat radiation rack, fan, support, it is characterized in that: also comprise accumulator, receiver, switch and with the matching used transmitter of receiver;
Described transmitter is provided with the USB interface being connected in order to the power supply with outside;
Described support is arranged at the bottom of heat radiation rack upper end, and fan is arranged at the middle part of heat radiation rack, and accumulator, receiver, switch are all arranged at heat radiation rack lower end; Between receiver and transmitter, set up transmission of wireless signals and be connected, receiver is also connected with accumulator, switch fan successively.
2. a kind of wireless charging cooling pad of notebook computer as claimed in claim 1, is characterized in that: described accumulator is Rechargeable dry battery.
3. a kind of wireless charging cooling pad of notebook computer as claimed in claim 1, is characterized in that: described accumulator is charged lithium cells.
4. a kind of wireless charging cooling pad of notebook computer as claimed in claim 1, is characterized in that: the material of described heat radiation rack is aluminium alloy.
5. a kind of wireless charging cooling pad of notebook computer as claimed in claim 1, is characterized in that: the material of described support is anti-slip rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310581742.3A CN103744492A (en) | 2013-11-20 | 2013-11-20 | Heat dissipation cushion for wireless charging notebook computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310581742.3A CN103744492A (en) | 2013-11-20 | 2013-11-20 | Heat dissipation cushion for wireless charging notebook computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103744492A true CN103744492A (en) | 2014-04-23 |
Family
ID=50501517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310581742.3A Withdrawn CN103744492A (en) | 2013-11-20 | 2013-11-20 | Heat dissipation cushion for wireless charging notebook computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103744492A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031450A1 (en) * | 2019-08-19 | 2021-02-25 | 广东美的白色家电技术创新中心有限公司 | Output control device and method, and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120194124A1 (en) * | 2011-01-31 | 2012-08-02 | Nokia Corporation | Wireless Battery Charging System |
| CN102983605A (en) * | 2012-11-26 | 2013-03-20 | 李程前 | Device for wirelessly charging and radiating notebook computer |
| CN103019344A (en) * | 2012-12-20 | 2013-04-03 | 浙江大学 | Wireless charging radiator of notebook computer |
-
2013
- 2013-11-20 CN CN201310581742.3A patent/CN103744492A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120194124A1 (en) * | 2011-01-31 | 2012-08-02 | Nokia Corporation | Wireless Battery Charging System |
| CN102983605A (en) * | 2012-11-26 | 2013-03-20 | 李程前 | Device for wirelessly charging and radiating notebook computer |
| CN103019344A (en) * | 2012-12-20 | 2013-04-03 | 浙江大学 | Wireless charging radiator of notebook computer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031450A1 (en) * | 2019-08-19 | 2021-02-25 | 广东美的白色家电技术创新中心有限公司 | Output control device and method, and storage medium |
| US11791660B2 (en) | 2019-08-19 | 2023-10-17 | Guangdong Midea White Home Appliance Technology Innovation Center Co., Inc. | Output control device for controlling an operation mode of a coil |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20140423 |