CN202927612U - Wireless power desk lamp - Google Patents
Wireless power desk lamp Download PDFInfo
- Publication number
- CN202927612U CN202927612U CN2012206025600U CN201220602560U CN202927612U CN 202927612 U CN202927612 U CN 202927612U CN 2012206025600 U CN2012206025600 U CN 2012206025600U CN 201220602560 U CN201220602560 U CN 201220602560U CN 202927612 U CN202927612 U CN 202927612U
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Abstract
The utility model discloses a wireless power desk lamp, and relates to the field of wireless power transmission, in particular to wireless power of a desk lamp to overcome the defect that the traditional desk lamp is necessary to be powered through a lead. The wireless power desk lamp comprises a desk lamp body and a charging substrate, wherein a transmitting rectifier circuit, a high frequency inverter circuit, a transmitting resonance circuit and a transmitting coil which are sequentially connected are arranged in the charging substrate, and a transmitting control module is arranged additionally; the desk lamp body comprises a receiving coil, a receiving resonance circuit, a receiving rectifier circuit, a chopper circuit and a bulb which are sequentially connected, and is provided with a receiving control module; and the receiving coil can sense an alternating magnetic field generated by the transmitting coil, and alternating current is generated and converted through internal circuits to form direct current suitable for the bulb. The charging substrate is arranged below a desktop, the desk lamp body is arranged on the tabletop, and when the desk lamp works, an external lead is absent from the desktop, so that the wireless power desk lamp is concise and attractive.
Description
Technical field
The utility model relates to the wireless power transmission technical field, is specifically related to the wireless power aspect of desk lamp.
Background technology
Along with the transformation of people's life idea, decorated style succinct, attractive in appearance has become main flow.At present, on market, desk lamp miscellaneous is a feast for the eyes, but no matter design how beautiful, always do not break away from the existence of plug and patch, had a strong impact on the attractive in appearance of desk lamp.In order to address the above problem, some manufacturer production goes out battery-powered desk lamp, but the environmental pollution of battery own is very big, and power-on time is shorter, needs often charging, and is very inconvenient.
So existing desk lamp power supply mode needs to improve.
Summary of the invention
In sum, the purpose of the present utility model is to change the deficiency of traditional powering mode of desk lamp, and proposes a kind of desk lamp device of wireless power transmission, the magnetic field of adopting the energising solenoid to change, be provided with receiving coil in desk lamp, thereby be bulb powered by the electromagnetic induction generation current.
The problem that proposes for solving the utility model, and the technical scheme that adopts is: the wireless power desk lamp comprises: charging pedestal and desk lamp body.Comprise connected emission rectification circuit, high-frequency inverter circuit, emission resonance circuit and the transmitting coil of order successively in described charging pedestal, also be provided with in addition the emission control module; Described desk lamp body comprises connected receiving coil, reception resonance circuit, reception rectification circuit, chopper circuit and the bulb of order successively, also is provided with in addition the reception control module.
Wherein, transmitting coil is positioned at charging base interior middle position, and described transmitting coil area is larger, accounts for charging pedestal area 2/3, horizontal positioned; Receiving coil is positioned at Desk lamp feet center of inside position, and described receiving coil area is larger, accounts for Desk lamp feet area 2/3, horizontal positioned; Emission rectification circuit and reception rectification circuit are bridge rectifier; Emission resonance circuit and reception resonance circuit are series resonant circuit; Charging base interior high-frequency inverter circuit is bridge inverter main circuit; Desk lamp body interior chopper circuit is buck circuit.The charging pedestal is made thin rectangular build, and surrounding has screw hole to be used to be fixed under desktop; Be equipped with the gauge tap of controlling corresponding circuits work in the charging pedestal with in the desk lamp body; The charging pedestal is connected with plug and patch.
Directly over described desk lamp body need be positioned over the charging pedestal, 0.5m is with interior distance;
Described charging pedestal and desk lamp body obtain direct current by emission rectification circuit and reception rectification circuit respectively;
Described charging pedestal obtains high-frequency alternating current by high-frequency inverter circuit;
Described desk lamp body obtains the direct current of required size by chopper circuit;
When the charging pedestal is connected the Domestic single-phase electricity, the Domestic single-phase electricity becomes high-frequency alternating current after by rectification, inversion, produce the magnetic field of concussion after transmitting coil, this magnetic field is passed receiving coil and is made it produce induced-current, become direct current by receiving rectification again, drive bulb work finally by converting the direct current that is fit to bulb work size after chopper circuit to.The emission control module is sent pulse signal and is controlled high-frequency inverter circuit and the inner controllable devices switching frequency of emission rectification circuit, reaches the effect of controlling tranmitting frequency.Receive control module and send pulse signal control reception rectification circuit and the inner controllable devices switching frequency of chopper circuit, provide the voltage of rated value as bulb to control receiving circuit.
The beneficial effects of the utility model are: desk lamp work need not external plug and patch, does not also need internal battery, not only succinct, attractive in appearance but also environmental protection.
Description of drawings
Fig. 1 is the utility model desk lamp body construction schematic diagram;
Fig. 2 is the utility model charging base construction schematic diagram;
Fig. 3 is the utility model desk lamp body circuit theory diagrams;
Fig. 4 is the utility model charging pedestal circuit theory diagrams;
Fig. 5 is the utility model specific embodiment schematic diagram.
In figure: 1, desk lamp body; 1-1, receiving coil; 1-2, reception resonance circuit; 1-3, reception rectification circuit; The 1-4 chopper circuit; 1-5, wire; 1-6, bulb; 1-7, pillar; 1-8, lampshade; 1-9, Desk lamp feet; 1-10, reception control module; 2, charging pedestal; The 2-1 transmitting coil; 2-2, emission resonance circuit; 2-3, high-frequency inverter circuit; 2-4, emission rectification circuit; 2-5, gauge tap; The 2-6 screw hole; 2-7, emission control module; 3, desk; 3-1, desktop.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is further described.
Shown in Fig. 1, Fig. 2 and Fig. 5, the utility model mainly comprises desk lamp body 1 and charging pedestal 2 two parts.
With reference to Fig. 1, shown in Figure 3, be provided with the receiving coil 1-1 of horizontal positioned in Desk lamp feet, area coil is larger.Receiving coil 1-1 is connected with reception resonance circuit 1-2, two outlets that receive resonance circuit 1-2 are connected to and receive rectification circuit 1-3, two outlets that receive rectification circuit 1-3 are connected to chopper circuit 1-4, two outlets of chopper circuit 1-4 are connected to bulb 1-6 the two poles of the earth, receive control module 1-10 and are connected with chopper circuit 1-4 with reception rectification circuit 1-3.When the induction alternating current was arranged in receiving coil 1-1, alternating current became direct current after receiving resonance circuit 1-2 and receiving rectification circuit 1-3, then after the chopper circuit 1-4 that flows through, voltage swing becomes the bulb rated voltage.Receive control module 1-10 and send pulse signal control reception rectification circuit 1-3 and the inner controllable devices switching frequency of chopper circuit 1-4, provide the voltage of rated value as bulb to control receiving circuit, can satisfy bulb safety, steady illumination.
With reference to Fig. 2, shown in Figure 4, be arranged with 6 screw hole 2-6 outside charging pedestal 2, the pedestal 2 that is used for charging is fixed in desktop 3-1 below, be provided with gauge tap 2-5 in charging pedestal 2, gauge tap is that the double-pole list is put switch, be used for to control and being connected of power supply, gauge tap 2-5 is connected with emission rectification circuit 2-4, two outlets of emission rectification circuit 2-4 are connected with high-frequency inverter circuit 2-3, two outlets of high-frequency inverter circuit 2-3 are connected with emission resonance circuit 2-2, connect transmitting coil 2-1 after emission resonance circuit 2-2.Transmitting coil 2-1 horizontal positioned, area coil is larger.After gauge tap 2-5 closure, the Domestic single-phase electricity becomes high-frequency alternating current after emission rectification circuit 2-4 rectification, high-frequency inverter circuit 2-3 inversion, and 2-2 is induced the electromagnetic field of high-frequency alternating by transmitting coil 2-1 through the emission resonance circuit.Emission control module 2-7 sends pulse signal and controls high-frequency inverter circuit 2-3 and the inner controllable devices switching frequency of emission rectification circuit 2-4, reaches the effect of controlling tranmitting frequency.Emission control module 2-7 and to receive control module 1-10 inside be pulse signal generator is mainly used to produce the pulse signal of CF, and specific implementation is prior art, no longer is described in detail herein.
The specific works process of wireless power desk lamp is as follows: the screw hole 2-6 of the pedestal 2 that will charge by surrounding is fixed in the desktop below, is positioned over desk lamp body 1 on desktop and remains on directly over charging pedestal 2.Civil power is sent into emission rectification circuit 2-4 and convert direct current to after over commutation is processed, direct current after conversion forms with emission resonance circuit 2-2 under the control of emission control module 2-7 and receives the identical high-frequency alternating current of resonance circuit 1-2 self-resonant frequency after high-frequency inverter circuit 2-3.The high-frequency alternating current of this frequency is passed into emission resonance circuit 2-2, and because the emission resonance circuit is operated in resonant condition at this moment, and system has higher quality factor.Transmitting coil 2-1 can form larger voltage, and external emitted energy.Receiving coil 1-1 receives this high-frequency energy with same frequency, then enter and receive resonance circuit 1-2, further send into reception rectification circuit 1-3 and process, send at last chopper circuit 1-4, and obtain the needed direct current of bulb under the control that receives control module 1-10.
Adopt above technical scheme can realize that desk lamp is operated under the wireless power mode, and charging pedestal 2 constantly obtain electric energy by external power supply.Desk lamp need not external connection, need not battery, under the prerequisite that guarantees the sustainable steady operation of desk lamp, make desk lamp succinct, attractive in appearance, and complete equipment is environment friendly and pollution-free.
It should be noted that; the a certain specific embodiment of the utility model has only been described in above-mentioned explanation; it describes comparatively concrete and detailed; but can not therefore be interpreted as the restriction to protection domain of the present utility model; should be pointed out that for the person of ordinary skill of the art, do not breaking away under prerequisite of the present utility model; can also make some distortion and improvement, these all belong to the protection domain of the utility model patent.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (4)
1. wireless power desk lamp, comprise emitter and receiving system, emitter is the charging pedestal, receiving system is the desk lamp body, it is characterized in that: comprise connected emission rectification circuit, high-frequency inverter circuit, emission resonance circuit and the transmitting coil of order successively in described charging pedestal, the switching frequency of the inner controllable devices of wherein said emission rectification circuit and high-frequency inverter circuit is by the emission control module controls; Described desk lamp body comprises connected receiving coil, reception resonance circuit, reception rectification circuit, chopper circuit and the bulb of order successively, and the switching frequency of the inner controllable devices of wherein said reception rectification circuit and chopper circuit is by receiving control module control; Described charging pedestal and desk lamp body carry out electromagnetic energy transfer by described transmitting coil and described receiving coil.
2. wireless power desk lamp according to claim 1, it is characterized in that: described transmitting coil area is larger, accounts for charging pedestal area 2/3, horizontal positioned.
3. wireless power desk lamp according to claim 1, it is characterized in that: described receiving coil area is larger, accounts for Desk lamp feet area 2/3, horizontal positioned.
4. wireless power desk lamp according to claim 1 is characterized in that: during described this body running of desk lamp without external wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206025600U CN202927612U (en) | 2012-11-15 | 2012-11-15 | Wireless power desk lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206025600U CN202927612U (en) | 2012-11-15 | 2012-11-15 | Wireless power desk lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202927612U true CN202927612U (en) | 2013-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206025600U Expired - Fee Related CN202927612U (en) | 2012-11-15 | 2012-11-15 | Wireless power desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202927612U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248137A (en) * | 2013-05-23 | 2013-08-14 | 东南大学 | Conference system based on wireless power transfer technology |
| CN103269542A (en) * | 2013-05-12 | 2013-08-28 | 安徽工程大学 | Wireless power table lamp |
| CN103475073A (en) * | 2013-08-20 | 2013-12-25 | 上海锐灵电子科技有限公司 | Wireless charging device capable of being arranged on furniture |
| CN103742824A (en) * | 2013-12-19 | 2014-04-23 | 昆山欣海韵贸易有限公司 | Wireless desk lamp convenient to replace |
| CN103742823A (en) * | 2013-12-19 | 2014-04-23 | 昆山欣海韵贸易有限公司 | Wireless table lamp charging wireless terminal |
| CN103989253A (en) * | 2014-05-29 | 2014-08-20 | 苏州乐聚一堂电子科技有限公司 | Wireless induction ashtray |
| CN105286284A (en) * | 2015-12-04 | 2016-02-03 | 广州酷漫居动漫科技有限公司 | Desk with wireless power supply desk lamp |
| CN105361430A (en) * | 2015-12-04 | 2016-03-02 | 广州酷漫居动漫科技有限公司 | Writing desk capable of sensing sitting postures |
| CN106451799A (en) * | 2016-10-13 | 2017-02-22 | 山东中际互频电子科技有限公司 | Power supply table system based on cross frequency |
| CN106439761A (en) * | 2016-12-13 | 2017-02-22 | 山东中际互频电子科技有限公司 | Wireless power supply ceramic lamp and wireless power supply ceramic lamp/power supply table system |
| CN107026515A (en) * | 2017-03-27 | 2017-08-08 | 深圳市华禹无线供电技术有限公司 | A kind of desk lamp device |
-
2012
- 2012-11-15 CN CN2012206025600U patent/CN202927612U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269542A (en) * | 2013-05-12 | 2013-08-28 | 安徽工程大学 | Wireless power table lamp |
| CN103248137A (en) * | 2013-05-23 | 2013-08-14 | 东南大学 | Conference system based on wireless power transfer technology |
| CN103475073A (en) * | 2013-08-20 | 2013-12-25 | 上海锐灵电子科技有限公司 | Wireless charging device capable of being arranged on furniture |
| CN103742824A (en) * | 2013-12-19 | 2014-04-23 | 昆山欣海韵贸易有限公司 | Wireless desk lamp convenient to replace |
| CN103742823A (en) * | 2013-12-19 | 2014-04-23 | 昆山欣海韵贸易有限公司 | Wireless table lamp charging wireless terminal |
| CN103989253A (en) * | 2014-05-29 | 2014-08-20 | 苏州乐聚一堂电子科技有限公司 | Wireless induction ashtray |
| CN105286284A (en) * | 2015-12-04 | 2016-02-03 | 广州酷漫居动漫科技有限公司 | Desk with wireless power supply desk lamp |
| CN105361430A (en) * | 2015-12-04 | 2016-03-02 | 广州酷漫居动漫科技有限公司 | Writing desk capable of sensing sitting postures |
| CN106451799A (en) * | 2016-10-13 | 2017-02-22 | 山东中际互频电子科技有限公司 | Power supply table system based on cross frequency |
| CN106439761A (en) * | 2016-12-13 | 2017-02-22 | 山东中际互频电子科技有限公司 | Wireless power supply ceramic lamp and wireless power supply ceramic lamp/power supply table system |
| CN107026515A (en) * | 2017-03-27 | 2017-08-08 | 深圳市华禹无线供电技术有限公司 | A kind of desk lamp device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131115 |