CN1667914A - Luminescent/display device using non-contact induction power supply and uses thereof - Google Patents
Luminescent/display device using non-contact induction power supply and uses thereof Download PDFInfo
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- CN1667914A CN1667914A CNA2005100663000A CN200510066300A CN1667914A CN 1667914 A CN1667914 A CN 1667914A CN A2005100663000 A CNA2005100663000 A CN A2005100663000A CN 200510066300 A CN200510066300 A CN 200510066300A CN 1667914 A CN1667914 A CN 1667914A
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Abstract
This invention relates to a light-emitting device applying non-contact including supply including an emitting circuit and a receiving circuit among which, the emitting circuit includes an emitting coil and is set in a holder having an external power supply and emits AC signals to the receiving circuit, which includes a receiving coil and a light emitting element and is mounted on the subject to be displayed and receives the AC signal emitted by the emitting circuit to turn it to electric energy to drive the light emitting element.
Description
Technical field:
The present patent application relates to a kind of light-emitting device that adopts non-contact induction power supply, specifically, relate to a kind of mode of using noncontact induction transmit light-emitting component when luminous or when demonstration required electric power, make the object that light-emitting device installs in order to avoid connect power line, also battery need not be installed.
Background technology:
In modern society, the value of article, except function, price and practicality thereof, effect visually also more and more comes into one's own, in order to make article have effect visually attractive in appearance, in existing technology, can install light-emitting device additional, because the projection of light makes article to be shown have effect visually attractive in appearance in the bottom of thing to be shown.
As shown in fig. 1, bottom in thing 10 to be shown (thing to be shown 10 among Fig. 1 is a goblet) is provided with cavity 11, be provided with used light-emitting device 20 usually in cavity 11 inside, inciting somebody to action usually by the bottom 12 of thing 10 to be shown, used light-emitting device 20 is fixed in the bottom cavity 11 of thing 10 to be shown.In above-mentioned light-emitting device 20, its primary structure is that light-emitting diode 21 and battery 22 are arranged on the circuit board 23, wherein light-emitting diode 21 is to be powered by battery 22, so that luminous and shine on the thing 10 to be shown, makes thing to be shown visually more attractive in appearance.
Because when using traditional light-emitting device 20 to use, need to adopt the light-emitting diode 21 luminous required electric power on battery 22 or the sustainable supply circuit plate 23 of circumscripted power line, when using circumscripted power line, can be because of the restriction on the wire rod length, the movable range of thing 10 to be shown is restricted, and inconvenience is not attractive in appearance yet in the use to make thing 10 to be shown.Though use battery 22 to replace the power line supply capability can avoid the moving range of thing 10 to be shown restricted, increased the weight of thing 10 to be shown; In addition, when the power drain of battery 22, just can't continue to provide the luminous required electricity of light-emitting diode 21, need carry out the replacing of battery 22 this moment, causes program not only complicated and use and go up inconvenience, real in using denouncing of going up at present.
Also have such as MP3 player portable electronic devices of small such as (MP3 PLAYER), if battery is installed, the trouble that product can't be sealed and need to change battery, if use the inserting terminal charging, have again outside inserting terminal is exposed to, easy oxidation and phenomenons such as loose contact or short circuit are so said apparatus has improved necessity.
The applicant is in view of above-mentioned variety of problems, and accumulated plentiful and substantial experience at aspects such as being engaged in the research of this product, design, manufacturing, actively drop into a large amount of painstaking effort and energy and ground wound, ' adopting the light-emitting device of non-contact induction power supply ' of successful finally exploitation the application.
Summary of the invention:
The purpose of this invention is to provide a kind of light-emitting device that adopts the non-contact inductive power supply, this device is electric energy transmitting wirelessly;
Another object of the present invention provides the light-emitting device that a kind of employing has non-contact induction power supply, and this device does not need to change battery, can also keep its luminance;
Another object of the present invention provides a kind of can being applied in the frequency identification system, adopts the light-emitting device of non-contact induction power supply;
Another object of the present invention provides a kind of light-emitting device that adopts non-contact induction power supply, uses the object of this device to seal fully, can also avoid using traditional outer inserting terminal that is exposed to, and prevents its oxidation and loose contact or short circuit etc.
The purpose of this invention is to provide a kind of light-emitting device that adopts non-contact induction power supply, it comprises receiving circuit and radiating circuit, wherein receiving circuit further includes receiving coil and light-emitting component, and be installed on the thing to be shown after being integrated on the circuit board, radiating circuit then further includes transmitting coil, and is arranged on the pedestal that is connected with power supply.
The purpose of this invention is to provide a kind of light-emitting device that adopts non-contact induction power supply, wherein when thing to be shown places on the pedestal, radiating circuit on the pedestal can be launched the receiving circuit of AC signal to thing to be shown, it is luminous to convert light-emitting component to by receiving circuit, perhaps convert the required electric power of light-emitting component to, get on the thing to be shown that this light-emitting device is installed in order to avoid connect power line and battery is installed.
Another object of the present invention is to provide a kind of light-emitting device that adopts non-contact induction power supply, wherein receiving circuit further includes control circuit and rechargeable battery, unnecessary electric power can be automatically by rechargeable battery electric power storage in addition, use has the advantage of exempting to install battery and sealed product such as MP3 player portable electronic devices of small such as (MP3 PLAYER) time.
The foregoing invention purpose is achieved in that a kind of light-emitting device that adopts non-contact induction power supply, this device comprises radiating circuit and two parts of receiving circuit, wherein radiating circuit further comprises transmitting coil, radiating circuit is arranged in the pedestal with external power supply, and can launch AC signal to receiving circuit; Receiving circuit further comprises receiving coil and light-emitting component, and this receiving circuit can integrally be installed on the thing to be shown, and receives the AC signal that radiating circuit emitted and convert electric energy to, comes driven light-emitting element; Make that thing to be shown can be in order to avoid connect power line or battery is installed.
Radiating circuit further includes power circuit, oscillating circuit, drive circuit, transmitting terminal resonant circuit, and the signal that oscillating circuit produced reaches the transmitting terminal resonance and through transmitting coil AC signal launched after overdrive circuit amplifies; Further comprise receiving terminal resonant circuit and rectification circuit in the receiving circuit, the AC signal that receiving coil receives reaches the rectification circuit rectification again after the receiving terminal resonance, pass to light-emitting component at last.
Oscillating circuit in the radiating circuit is the oscillating circuit of adjustable frequency, and comprises feedback circuit and microprocessor; The AC signal that feedback circuit is launched transmitting coil feeds back in the microprocessor, thereby is changed the frequency of oscillation of the oscillating circuit of adjustable frequency, to obtain the optimum resonance quality.
Receiving circuit further comprises control circuit and rechargeable battery, and the electricity of control circuit after with rectification reaches respectively in light-emitting component and the rechargeable battery.
Further be provided with first signal processing unit in the radiating circuit; Receiving circuit then correspondence is provided with second modulation circuit and secondary signal processing unit, and cooperates the microprocessor in the control circuit, makes thing to be shown be transmitted data information to pedestal.
Further be provided with first modulation circuit and first signal processing unit in the radiating circuit; Receiving circuit then correspondence is provided with second modulation circuit and secondary signal processing unit, and the microprocessor in the cooperation control circuit, make and transmitted and receive data information between thing to be shown and pedestal mutually, wherein light-emitting component comprises light-emitting diode or display unit at least.
Can also be provided with switch by receiving circuit.The thing to be shown that receiving circuit is installed is the contactless card of frequency identification system, and what radiating circuit was installed is pedestal corresponding to the frequency identification system main frame of contactless card.Receiving circuit is installed in video camera or the microphone, and radiating circuit is installed in the corresponding main frame as pedestal.Receiving circuit is installed in the thing to be shown, as the object of frequency identification system; Radiating circuit is installed in the pedestal, as the main frame of the frequency identification system corresponding with object.
The object of frequency identification system comprises contactless card, wafer card or EasyCard at least.
A kind of thing to be shown that adopts the non-contact induction power supply light-emitting device that is equipped with, wherein said thing to be shown can be any glassware, acryl glass, transparent display stand, ornaments or small-sized Portable electrical equipment.
This installs electric energy transmitting wirelessly, make thing to be shown complete, attractive in appearance, durable and much cleaner, has avoided the trouble changing battery, pull power line, can be applied to that implements are showed and a plurality of fields such as frequency identification system.
Description of drawings:
Fig. 1 is the exploded view that tradition is used light-emitting device;
Figure 2 shows that the exploded view of one embodiment of the invention;
What Figure 3 shows that circuit board and coil among Fig. 2 sends out schematic diagram big;
Figure 4 shows that the block diagram of circuit first embodiment of the present invention;
Figure 5 shows that the block diagram of circuit second embodiment of the present invention;
Figure 6 shows that the block diagram of circuit the 3rd embodiment of the present invention;
Figure 7 shows that the present invention is used as the circuit block diagram of frequency identification system (RFID);
Figure 8 shows that the schematic diagram of user mode of the present invention;
Figure 9 shows that the schematic diagram of another user mode of the present invention;
Figure 10 shows that the schematic diagram of another user mode of the present invention;
Figure 11 shows that the schematic diagram of another user mode of the present invention.
Specific embodiment:
In order more clearly to describe the present invention, in view of the circuit that is adopted all is the known circuit of those skilled in the art, just no longer electronic circuit is described in detail at this, below in conjunction with embodiment its structure is formed, and the overall operation mode explains as follows:
As shown in Figure 2, the primary structure of the light-emitting device of employing non-contact induction power supply of the present invention includes a radiating circuit 30 and a receiving circuit 40, wherein receiving circuit 40 further includes receiving coil 41 and is connected to a light-emitting component 50 in addition, and receiving coil 41 and light-emitting component 50 are integrated on the circuit board, are placed in the bottom of a thing 10 to be shown (given thing to be shown is a goblet) here.
Described radiating circuit 30 is arranged in the pedestal 60, pedestal 60 is circumscribed with power line 61, when thing 10 to be shown places on the pedestal 60, radiating circuit 30 converts the power supply electric energy to AC signal, rely on the mode of induction that AC signal is sent to receiving circuit 40, it is luminous to convert AC signal to light-emitting component 50 by receiving circuit 40, or is converted to light-emitting component 50 required electric power when luminous.Therefore when thing 10 to be shown places on the pedestal 60, can make the luminous automatically or demonstration of this light-emitting device, get in order to avoid connect power line on the thing to be shown 10 that makes light-emitting device install, also avoid the installation battery.
This thing 10 to be shown is goblets, and be provided with cavity 11 in the bottom of goblet, aforementioned receiving circuit 40 and the light-emitting component 50 that is incorporated in the pedestal 60 is set in cavity 11, and by bottom with cavity 11 sealing, receiving circuit 40 is stable in the cavity 11, is unlikely in cavity 11, to come off; Light-emitting component 50 in the diagram is light-emitting diodes in addition, and shows by lumination of light emitting diode.
In Fig. 3, after receiving circuit 40 is incorporated on the circuit board,, can also be provided with rechargeable battery 45 in addition except that being provided with receiving coil 41 and being connected in addition the light-emitting component 50; Wherein light-emitting component 50 is formed for several light-emitting diodes.
Then provided the circuit block diagram of the light-emitting device of employing non-contact induction power supply of the present invention among Fig. 4.The block diagram of radiating circuit 30 and receiving circuit 40 wherein, in radiating circuit 30, include power circuit 31, oscillating circuit 32, drive circuit 33, transmitting terminal resonant circuit 34, and transmitting coil 35, wherein: power circuit is used to provide power supply, radiating circuit 30 is after power circuit 31 is connected external power supply, can give each circuit with distributing electric power, to provide each circuit running required power supply, after electric power is delivered to oscillating circuit 32, by oscillating circuit 32 power conversions is become AC signal, again this AC signal is sent in the drive circuit 33, after by drive circuit 33 AC signal being amplified again, signal is delivered to transmitting terminal resonant circuit 34, transmitting terminal resonant circuit 34 is sent to receiving circuit 40 by transmitting coil 35 with AC signal after obtaining resonance by AC signal again.
Receiving circuit 40 further includes receiving coil 41, receiving terminal resonant circuit 42 and rectification circuit 43, and is connected to light-emitting component 50 in addition.Receiving circuit 40 receives AC signal by receiving coil 41.After receiving coil 41 is received from the AC signal that radiating circuit 30 sent, make signal obtain resonance by receiving terminal resonant circuit 42, again the AC signal of resonance is sent to rectification circuit 43 and carries out rectification and voltage stabilizing, and then convert AC signal to can use for light-emitting component 50 electric power, and offer light-emitting component 50 luminous formation light sources.
Again as shown in Figure 5, when radiating circuit 30 is above implemented, one feedback circuit 36 and microprocessor 37 can be set in addition, wherein feedback circuit 36 can feed back to the AC signal that transmitting coil 35 is launched microprocessor 37 after adjusting, signal is delivered to Frequency Adjustable oscillating circuit 32 change its frequency of oscillation, and can adjust the resonance quality, to obtain the optimum resonance quality; If do not set up this circuit, do not influence the normal operation of radiating circuit 30 yet, increase after feedback circuit 36 and the microprocessor 37, can promote the quality of signal that circuit is sent, and make integrated circuit not influenced by material quality, produce easily.
More as shown in Figure 6, in this embodiment, except the execution mode of above-mentioned radiating circuit 30 as shown in Figure 5, also be provided with control circuit 44 and rechargeable battery 45 in the receiving circuit 40 in addition, after rectification circuit 43 is with AC signal and rectification, voltage stabilizing, electric power offers light-emitting component 50 earlier through control circuit 44 by control circuit 44 control electric power, and unnecessary electric power is just automatically by in addition electric power storage and preserving of rechargeable battery 45.
Therefore, can't when obtaining AC signal, radiating circuit 30 can supply with light-emitting components 50 when receiving circuit 40 by the electric power of being saved in the rechargeable battery 45.In addition, if use the time such as MP3 player portable electronic devices of small such as (MP3 PLAYER), has the advantage of exempting to install battery and sealed product, can avoid conventional art to utilize the mode of inserting terminal charging again, thereby avoid outside inserting terminal is exposed to, phenomenons such as oxidation and loose contact or short circuit take place easily, make product more attractive in appearance.
It shown in Fig. 7 the theory diagram of LCD display among Figure 10.Just as shown in FIG., in order to allow formed display element display text of LCD display or digital information, further be provided with first modulation circuit 38 and first signal processing unit 39 in the radiating circuit 30, then corresponding second modulation circuit 46 and the secondary signal processing unit 47 of being provided with of receiving circuit 40, in the aforesaid control circuit 44 then must in microprocessor is set; And by then microprocessor being set in first modulation circuit 38, first signal processing unit 39 and second modulation circuit 46, secondary signal processing unit 47 and the control circuit 44 in radiating circuit 30 and the receiving circuit 40, can make radiating circuit 30 and receiving circuit 40 except ac signal, can transmit and receive data information (DATA signal) mutually, in view of display element display text or the signal on the thing to be shown 10 of aforesaid main frame pedestal 60 and contactless card.
In addition, if radiating circuit 30 is not provided with first modulation circuit 38, then can unilaterally receive the signal that microprocessor transmitted that is provided with in second modulation circuit 46, secondary signal processing unit 47 and the control circuit 44 by receiving circuit 40; At this moment, receiving circuit 40 can be installed in the electronic installations such as video camera, microphone, and pedestal 10 then is corresponding main frame.
As Fig. 8 and shown in Figure 9, because the thing to be shown 10 of the invention described above is exempted from the effect that circumscripted power line or battery can reach illumination, when therefore using, the pedestal 60 that needs can be connected power line 61 is arranged on the bottom surface of articles holding table 90, perhaps directly be embedded in the desktop, when thing 10 to be shown is placed on the articles holding table 90 position with respect to pedestal 60, can show automatically, so not only avoided desktop in a jumble but also can make thing 10 to be shown have the effect of beautiful decoration.Thing to be shown 10 in Fig. 8 is goblets, and the thing to be shown 10 among Fig. 9 then is a photo frame.
Be not difficult to find out that other all various ornaments that can be seated in desktop as described above are all in spiritual scope of the present invention.
As shown in Figure 10, the object that above described thing 10 to be shown can be frequency identification system (RFID) is as contactless card, wafer card or EasyCard.The formed thing 10 to be shown of this object (contactless card, wafer card or EasyCard) is provided with display element, and display element forms with LCD display or light-emitting diode, and 40 of aforesaid receiving circuits are installed in the formed thing 10 to be shown of contactless card.Pedestal 60 is then for corresponding to the frequency identification system main frame of contactless card, inner ccontaining aforesaid radiating circuit 30.When the thing to be shown 10 of contactless card during near main frame pedestal 60, can respond to and obtain after the electric power of radiating circuit 30 by receiving circuit 40, can driving display or the formed display element of light-emitting diode show light, literal or digital information etc.
Shown in Figure 11 another one embodiment of the present invention, be the present invention to be installed in show on the box 70 in this embodiment, the structure system that shows box 70 comprises lid 71, box body 72, show on the box 70 and carried display material 80, and in showing box 70, be provided with receiving circuit 40, below displaying box 70, be provided with the aforementioned pedestal 60 that matches with receiving circuit 40 in addition, do not add description in addition at this.On box body 72, be provided with a control switch 73 that links to each other with receiving circuit 44 in addition, whether display element on the may command receiving circuit 40 shows, when lid 71 covers or launches on box body 72, but touch control switch 73 makes display element show or stops to show, be provided with at least one transmittance section 74 in box body 72 in addition, can light can be exposed on the display material 80 for the light transmission of display element generation.
By aforementioned each figure as can be known, the receiving circuit 40 among the present invention can be installed on the thing to be shown 10 of all types of light-permeables, and cooperates the AC signal that is transmitted by pedestal 60, makes thing 10 to be shown can avoid circumscripted power line or battery; And this creation removes the above-mentioned exception of executing, and still can be applicable on various glass glass vessel, acryl (acryl glass), printing opacity display stand and the ornaments.
The explanation of above embodiment and graphic shown in; only being preferred embodiment of the present invention, is not to be limitation of the present invention, therefore; close, identical person such as structure every and of the present invention, device, feature all should fall within protection scope of the present invention.
Claims (14)
1, a kind of luminescent/display device that adopts non-contact induction power supply, this device comprise radiating circuit and two parts of receiving circuit, wherein:
Radiating circuit further comprises transmitting coil, and radiating circuit is arranged in the pedestal with external power supply, and can launch AC signal to receiving circuit;
Receiving circuit further comprises receiving coil and light-emitting component, and this receiving circuit can integrally be installed on the thing to be shown, and receives the AC signal that radiating circuit emitted and convert electric energy to, comes driven light-emitting element; Make that thing to be shown can be in order to avoid connect power line or battery is installed.
2, according to the luminescent/display device of the described employing non-contact induction power supply of claim 1, wherein:
Radiating circuit further includes power circuit, oscillating circuit, drive circuit, transmitting terminal resonant circuit, and the signal that oscillating circuit produced reaches the transmitting terminal resonance and through transmitting coil AC signal launched after overdrive circuit amplifies;
Further comprise receiving terminal resonant circuit and rectification circuit in the receiving circuit, the AC signal that receiving coil receives reaches the rectification circuit rectification again after the receiving terminal resonance, pass to light-emitting component at last.
3, according to the luminescent/display device of claim 1 or 2 described employing non-contact induction power supplies, wherein:
Oscillating circuit in the radiating circuit is the oscillating circuit of adjustable frequency, and comprises feedback circuit and microprocessor; The AC signal that feedback circuit is launched transmitting coil feeds back in the microprocessor, thereby is changed the frequency of oscillation of the oscillating circuit of adjustable frequency, to obtain the optimum resonance quality.
4, according to the luminescent/display device of the described employing non-contact induction power supply of claim 3, wherein receiving circuit further comprises control circuit and rechargeable battery, and the electricity of control circuit after with rectification reaches respectively in light-emitting component and the rechargeable battery.
5, according to the luminescent/display device of claim 1 or 2 described employing non-contact induction power supplies, wherein receiving circuit further comprises control circuit and rechargeable battery, and the electricity of control circuit after with rectification reaches respectively in light-emitting component and the rechargeable battery.
6, according to the luminescent/display device of claim 1,2 or 4 described employing non-contact induction power supplies, wherein:
Further be provided with first signal processing unit in the radiating circuit;
Receiving circuit then correspondence is provided with second modulation circuit and secondary signal processing unit, and cooperates the microprocessor in the control circuit, makes thing to be shown be transmitted data information to pedestal.
7, according to the luminescent/display device of claim 1,2 or 4 described employing non-contact induction power supplies, wherein:
Further be provided with first modulation circuit and first signal processing unit in the radiating circuit;
Receiving circuit then correspondence is provided with second modulation circuit and secondary signal processing unit, and cooperates the microprocessor in the control circuit, makes and is transmitted and receive data information between thing to be shown and pedestal mutually.
8, according to the luminescent/display device of claim 1,2 or 4 described employing non-contact induction power supplies, wherein light-emitting component comprises light-emitting diode or display unit at least.
9, according to the luminescent/display device of claim 1,2 or 4 described employing non-contact induction power supplies, wherein receiving circuit is provided with switch.
10, according to the luminescent/display device of claim 1,2 or 4 described employing non-contact induction power supplies, the thing to be shown that receiving circuit wherein is installed is the contactless card of frequency identification system, and what radiating circuit was installed is pedestal corresponding to the frequency identification system main frame of contactless card.
11, according to the luminescent/display device of claim 1,2 or 4 described employing non-contact induction power supplies, wherein receiving circuit is installed in video camera or the microphone, and radiating circuit is installed in the corresponding main frame as pedestal.
12, according to the luminescent/display device of claim 1,2 or 4 described employing non-contact induction power supplies, wherein receiving circuit is installed in the thing to be shown, as the object of frequency identification system; Radiating circuit is installed in the pedestal, as the main frame of the frequency identification system corresponding with object.
13, according to the luminescent/display device of the described employing non-contact induction power supply of claim 12, wherein the object of frequency identification system comprises contactless card, wafer card or EasyCard at least.
14, a kind of being equipped with as the thing to be shown of arbitrary employing non-contact induction power supply luminescent/display device among the claim 1-13, wherein said thing to be shown can be any glassware, acryl glass, transparent display stand, ornaments or small-sized Portable electrical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100663000A CN1667914A (en) | 2005-04-27 | 2005-04-27 | Luminescent/display device using non-contact induction power supply and uses thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100663000A CN1667914A (en) | 2005-04-27 | 2005-04-27 | Luminescent/display device using non-contact induction power supply and uses thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1667914A true CN1667914A (en) | 2005-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100663000A Pending CN1667914A (en) | 2005-04-27 | 2005-04-27 | Luminescent/display device using non-contact induction power supply and uses thereof |
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| Country | Link |
|---|---|
| CN (1) | CN1667914A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205483A (en) * | 2016-08-31 | 2016-12-07 | 何建军 | A kind of advertisement light emitting device |
| CN107689674A (en) * | 2016-08-05 | 2018-02-13 | 胡厚飞 | Wireless receiving electric power and then the wearing ornaments and its component for producing light |
-
2005
- 2005-04-27 CN CNA2005100663000A patent/CN1667914A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689674A (en) * | 2016-08-05 | 2018-02-13 | 胡厚飞 | Wireless receiving electric power and then the wearing ornaments and its component for producing light |
| CN106205483A (en) * | 2016-08-31 | 2016-12-07 | 何建军 | A kind of advertisement light emitting device |
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