CN106257964A - LED power and the LED light device comprising it - Google Patents
LED power and the LED light device comprising it Download PDFInfo
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- CN106257964A CN106257964A CN201510578081.8A CN201510578081A CN106257964A CN 106257964 A CN106257964 A CN 106257964A CN 201510578081 A CN201510578081 A CN 201510578081A CN 106257964 A CN106257964 A CN 106257964A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Telephonic Communication Services (AREA)
- Optical Communication System (AREA)
Abstract
The present invention relates to semiconductor illumination technique, particularly to a kind of LED power based on novel construction for electricity and the LED light device comprising this LED power.Include according to the LED power of embodiments of the invention: bridge rectifier filter unit；Rectification module；The LED drive module coupled with described rectification module, for powering to LED light source；Non-illumination functional circuit module, powers unrelated function with to LED light source for realizing；It is coupling in the power management module between described rectification module and described non-illumination functional circuit module, comprise energy-storage travelling wave tube, wherein, when described power management module is configured as the output voltage of described rectification module less than preset value, it directly draws electric energy to power to described non-illumination functional circuit module from described rectification module, and when the output voltage of described rectification module is more than or equal to described preset value, it draws electric energy to power to described non-illumination functional circuit module from described energy-storage travelling wave tube.
Description
Technical field
The present invention relates to semiconductor illumination technique, particularly to a kind of based on novel construction for electricity
LED power and the LED light device comprising this LED power.
Background technology
According to statistics, the mankind have the time of 80% in indoor, and the mobile phone use of 70% is sent out
Raw in indoor.Along with the arrival in the Internet+epoch, the application of radio communication is the most gradually by outdoor ring
Border is to indoor extension and extension, and wherein the quality of indoor coverage of signal has become as a focus and asks
Topic.
As a example by indoor positioning, it mainly uses wireless telecommunications, architecture, inertial navigation location etc.
Multiple technologies are integrated to form a set of indoor location locating system, thus realize personnel, object etc. and exist
Monitoring position in the interior space.Although a lot of signals are (such as bluetooth, ultra-wideband pulse, super
Sound wave etc.) it is likely to be used for indoor positioning, but it is in addition to Wi-Fi signal, remaining all must
Single signal generator, even some technology must be laid and also require again also to lay in front end letter
Number receive equipment, this give the large-area popularization of business bring huge resistance.
Current most of venues only consider when disposing Wi-Fi that online demand does not considers the need of location
Asking, this makes positioning precision based on Wi-Fi signal unsatisfactory.Such as, it is satisfied
Online demand, operator often disposes more in the place of the densely populated place such as lobby, coffee shop
WAP, and for the place such as hall, passage, then WAP is disposed less,
When utilizing the Wi-Fi access point so disposed to position, it is possible to blind area occurs.Additionally,
Compared with online demand, it is accurately positioned required WAP quantity much higher, and for
The consideration of cost, operator can not dispose substantial amounts of wireless access in a little range areas
Equipment.Furthermore, the most many public places are to utilize the pattern of operating license to realize Wi-Fi to dispose
, it is often the case that be that You Duojia operator provides Wi-Fi at a public place simultaneously
Access service.Owing to can bring channel disturbance between the Wi-Fi net of different operators, this is to fixed
The impact of position is very big, thus causes and position unsuccessfully.
Therefore, covering at the high-quality signal of indoor offer the most at low cost is indoor nothing
The significant challenge that line communication technology faces.
Summary of the invention
It is an object of the present invention to provide a kind of LED power, it can be expeditiously to such as
The non-illumination functional circuit module of wireless communication module etc is powered and to have circuit structure simple
Etc. advantage.
In an embodiment in accordance with the invention, LED power includes:
Rectification module；
The LED drive module coupled with described rectification module, for powering to LED light source；
Non-illumination functional circuit module, powers unrelated function with to LED light source for realizing；
It is coupling in the power management between described rectification module and described non-illumination functional circuit module
Module, comprises energy-storage travelling wave tube,
Wherein, to be configured as the output voltage of described rectification module little for described power management module
When preset value, it directly draws electric energy with to described non-illumination merit from described rectification module
Can circuit module power, and when described rectification module output voltage more than or equal to described in advance
During setting value, it draws electric energy with to described non-illumination functional circuit module from described energy-storage travelling wave tube
Power supply.
In the above-described embodiments, by only when rectification module output voltage is less just from rectification mould
Block draws electric energy, it is possible to increase power supplying efficiency and the generation of minimizing heat.
Preferably, in above-mentioned LED power, described non-illumination functional circuit module is used for realizing
At least one in following function: reception of wireless signals and transmitting, sensing, data storage, number
According to processing and authentication.
Preferably, in above-mentioned LED power, described non-illumination functional circuit module uses integrated
The form of circuit chip.
Preferably, in above-mentioned LED power, described power management module is further configured to
When the output voltage of described rectification module is less than preset value, it also utilizes from described rectification
The electric energy that module is directly drawn charges to described energy-storage travelling wave tube.
Preferably, in above-mentioned LED power, described power management module also includes:
Power supervisor；
It is coupling in the switch between described rectification module and described power supervisor；And
Comparator, comprise coupled to the first input end of described rectification module and its on benchmark is provided
Second input of voltage and with described switch control the outfan that end couples,
Wherein, described energy-storage travelling wave tube is coupling between described switch and described power supervisor, institute
State comparator when being configured as the voltage of described first input end less than described reference voltage, its
On described outfan, the signal of output makes described switch conduction, so that described rectification module
Power to described power supervisor and described energy-storage travelling wave tube is charged, and when described first input
When the voltage of end is more than or equal to described reference voltage, its signal exported on described outfan
Switch off described in making, so that described energy-storage travelling wave tube is powered to described power supervisor.
Preferably, in above-mentioned LED power, described energy-storage travelling wave tube is capacitor or battery.
Preferably, in above-mentioned LED power, described power supervisor is linear voltage regulator or opens
Close manostat.
Preferably, in above-mentioned LED power, described LED drive module includes:
DC-DC boosting inverter unit, including inducer, switching diode, PWM controller
And metal-oxide-semiconductor, wherein, described inducer and switching diode are connected on described rectification module and institute
Stating between LED light source, the drain electrode of described metal-oxide-semiconductor is coupling in described inducer and switch two poles
Between the positive pole of pipe, grid couples with the outfan of described PWM controller；And
Feedback unit, including crystal triode, its base stage is coupled to the loop of described LED light source,
Colelctor electrode is coupled to the control end of described PWM controller.
Preferably, in above-mentioned LED power, described PWM controller is by described power management
Module for power supply.
The present invention's it is also an object that provides a kind of LED light device, and it has can be high
Efficient supply to the non-illumination functional circuit module accommodating such as wireless communication module etc therein
The advantages such as electricity.
In an embodiment in accordance with the invention, LED light device includes:
LED light source；And
LED power, including:
Rectification module；
The LED drive module coupled with described rectification module, for supplying to LED light source
Electricity；
Non-illumination functional circuit module, powers unrelated merit with to LED light source for realizing
Energy；
It is coupling in the power supply between described rectification module and described non-illumination functional circuit module
Management module, comprises energy-storage travelling wave tube,
Wherein, to be configured as the output voltage of described rectification module little for described power management module
When preset value, it directly draws electric energy with to described non-illumination merit from described rectification module
Can circuit module power, and when described rectification module output voltage more than or equal to described in advance
During setting value, it draws electric energy with to described non-illumination functional circuit module from described energy-storage travelling wave tube
Power supply.
Accompanying drawing explanation
Above-mentioned and/or the other side of the present invention and advantage are by by each side below in conjunction with accompanying drawing
The description in face becomes more fully apparent and is easier to understand, and accompanying drawing includes:
Fig. 1 is the general frame of the LED power according to one embodiment of the invention.
Fig. 2 is the circuit theory diagrams that can be applicable to the LED drive module in embodiment illustrated in fig. 1.
Fig. 3 is the circuit theory diagrams that can be applicable to the power management module in embodiment illustrated in fig. 1.
Fig. 4 is voltage waveform view, and wherein, top half shows the output of rectification module
Voltage waveform, and the latter half shows the input voltage waveform of power management module.
Fig. 5 is the schematic diagram of the indoor wireless communication net according to another embodiment of the present invention.
Fig. 6 is the house type figure of exemplary apartment dwelling unit.
Fig. 7 is the schematic diagram of the indoor wireless communication net according to a further embodiment of the present invention.
Fig. 8 is the schematic diagram of the wireless communication networks according to a further embodiment of the present invention.
Detailed description of the invention
More fully illustrate referring to the accompanying drawing which illustrates illustrative examples of the present invention
The present invention.But the present invention can be realized by multi-form, and it is not construed as being only limitted to herein
The each embodiment be given.The various embodiments described above be given are intended to make disclosure herein comprehensively complete,
Protection scope of the present invention more fully to be conveyed to those skilled in the art.
In this manual, term " illuminator " should be broadly interpreted as all can leading to
Cross the equipment of the effect providing light to realize practical or aesthetics, include but not limited to bulb lamp,
Desk lamp, panel light, Down lamp, wall lamp, shot-light, daylight lamp, pendent lamp, lamp affixed to the ceiling, street lamp,
Pocket lamp, scenery lamp and urban look lamp etc..
Term " LED light device " refers to use light emitting diode (LED) as light source
Illuminator, LED described here such as includes but not limited to that P-N junction inorganic semiconductor is luminous
Diode and Organic Light Emitting Diode (OLED and polymer LED (PLED)).
Term " building " refers to space and the entity constructed with construction material, is for people
Live and carry out the place of various activity.
Term " indoor " refers to the character of use according to building and local environment, uses thing
The area of space that matter technological means is created, it such as includes but not limited to interior of building region
And the region of Nearby Structure.
Term " functional circuit module " refers to be capable of the circuit unit of specific function, institute
State specific function such as include but not limited to LED power, reception of wireless signals and transmitting, sensing,
Data storage, data process, location and authentication etc..
Term " power supervisor " refer to be responsible in an electronic transformation of electrical energy, distribution,
The circuit operated with detection etc., it such as includes that band is not limited to linear voltage regulator and switching regulator.
" couple " to should be understood to be included in and between two unit, directly transmit electric flux or telecommunications
Number situation, or indirectly transmit electric flux or the signal of telecommunication through one or more Unit the 3rd
Situation.
Such as " comprise " and the term of " including " etc represents and wants in description and right except having
Asking beyond the unit and step having in book directly and clearly state, technical scheme is the most not
Get rid of and there is other unit and the situation of step directly or clearly do not stated.
The such as term of " first " and " second " etc is not offered as unit in time, space, big
The order of the aspect such as little and only make to distinguish each unit and be used.
Below by accompanying drawing, embodiments of the invention are described.
Fig. 1 is the general frame of the LED power according to one embodiment of the invention.
The LED power 110 of the present embodiment include rectification module 111, LED drive module 112,
Power management module 113 and non-illumination functional circuit module 114.In the present embodiment, above-mentioned respectively
Plant module to realize in the way of discrete component, IC chip or combinations thereof, this
A little discrete components and IC chip are arranged on a printed circuit as components and parts and lead to
Cross suitable wiring foundation to be electrically connected, thus the circuit function needed for providing.
For LED light device 10, its except include the LED power 110 shown in Fig. 1 with
Outward, LED light source 120 is also included.
Hereinafter the modules of LED power 110 is further described.
AC energy is converted to direct current energy by rectification module 111, and it such as can be with halfwave rectifier
The form such as circuit and full-wave rectifying circuit realizes.LED drive module 112 is by bus and rectification
Module 111 couples, and is responsible for powering to LED light source 120.Specifically, LED drive module
The 112 pulsating direct current electric energy exported by rectification module 111 are transformed to adapt to LED light source 120
Electrical energy form, such as constant current, constant voltage or the electric energy of firm power.
Power management module 113 is coupling in rectification module 111 and non-illumination functional circuit module 114
Between, it is responsible for the transformation of electrical energy that receives from rectification module 111 through bus as adapting to non-photograph
Bright functional circuit module 114 runs required electrical energy form, such as constant current, constant voltage
Or the electric energy of firm power.Non-illumination functional circuit module described here refers to such a
Functional circuit module, its circuit function realized powers unrelated function with to LED light source,
Such as include but not limited to reception of wireless signals and transmitting, sensing, data storage, data process,
Location and authentication etc..
In typical case, compared with LED drive module, the non-illumination functional circuit module runtime
Between power consumption the lowest, hence with LED light device power supply to various non-illumination functions electricity
Road module for power supply can't affect the normal work of LED light source.What is more important, and such as
Utilize battery to showing that the location small signal emitter of referred to as beacon (beacon) is powered
(the indoor positioning solution that such as Estimote company proposes, it utilizes four technical approach
Piece and above battery-powered beacon realize tens of square meters space precision indoor location.)
Comparing, the design that the present embodiment utilizes LED power to power makes functional circuit module thoroughly break away from
The constraint of battery durable ability, and owing to non-illumination functional circuit module fills with LED illumination
The installation put can complete to layout, and therefore deployment cost is greatly lowered.
In the present embodiment, power management module 113 is only at the output voltage of rectification module 111
Just electric energy is directly drawn from rectification module 111 when (namely the voltage on bus) is relatively low, and
It is to be supplied to non-illumination functional circuit module 114 after required form by the transformation of electrical energy drawn.Separately
On the one hand, when the output voltage of rectification module 111 is higher, power management module 113 is no longer
Electric energy is directly drawn from rectification module 111, but from its energy-storage travelling wave tube comprised (such as electricity
Container or battery etc.) draw electric energy and carry after being required form by the transformation of electrical energy drawn
Supply non-illumination functional circuit module 114.Owing to no longer drawing electric energy when busbar voltage is higher,
Therefore the most useless power consumption and the heat produced therewith are avoided.Additionally, power management
Module directly will draw electric energy from bus when busbar voltage is relatively low, this make such as transformator it
The voltage drop element of class is no longer required, therefore, it is possible to simplify circuit structure and reduce manufacturing cost.
In this embodiment, it is preferred that, in the stage directly drawing electric energy from bus, drawn
Electric energy be also used for energy-storage travelling wave tube charge.
Fig. 2 is the circuit theory diagrams that can be applicable to the LED drive module in embodiment illustrated in fig. 1.
LED drive module 112 shown in Fig. 2 includes that filter unit 1121, DC-DC boost
Converter unit 1122 and feedback unit 1123, be further described unit below.
As in figure 2 it is shown, filter unit 1121 includes capacitor C1, C2, C3, varistor
Device R1 and inducer L1.Alternating current (such as civil power) rectified module 111 (is shown in Fig. 2
Represent with full-bridge rectifier BR1 to example) on positive terminal 1, export all-wave pulsation electricity after rectification
Pressure.Filter capacitor C1, C2, C3, piezoresistor R1 and inducer L1 constitute EMI
Filter circuit, on the one hand it suppress the shadow to LED drive module of the High-frequency Interference in AC network
Ring, on the other hand the suppression LED drive module electromagnetic interference to AC network.
It is worthy of note, although be shown here as way of full-wave rectification, but in the present invention
Embodiment in, halfwave rectifier is also available.
See Fig. 2, filter capacitor C1 and piezoresistor R1 and be connected in parallel on full-bridge rectifier BR1
Ac input end 3 and 4 between, wherein piezoresistor R1 is by occurring in suppression circuit
Abnormal overvoltage and the input voltage of full-bridge rectifier BR1 is clamped down in predetermined level.Filtering
Capacitor C2, C3 and inducer L1 form π type filter circuit and are coupled in full-bridge rectifier
Between positive terminal 1 and the negative pole end 2 of BR1, with the pulsation electricity that full-bridge rectifier BR1 is exported
Pressure carries out low-pass filtering.
As in figure 2 it is shown, between rectification module 111 and DC-DC boosting inverter unit 1122
Switch S1 is set, with conducting and the disconnection in both control loop, place.DC-DC boosting inverter list
Unit 1122 also with feedback unit 1123 and LED light source (the most exemplarily with the company of series connection
The LED1-LEDn connect represents) coupling, so that the pulsating volage that rectification module 111 exports is carried
Rise to required voltage and current level and be supplied to LED light source.Additionally, DC-DC boosting
Converter unit 1122 also with feedback unit 1123 collaborative work so that being supplied to LED light source
Electric current and voltages keep constant also realize power factor correcting function.Under typical application scenario,
LED light source may be made up of many LED being cascaded, the total voltage quilt after its series connection
Being designed as exceeding the voltage peak of electrical network input, therefore the lifting of voltage is required.With ripple
As a example by dynamic scope is the 220V alternating current of ± 10%, its ceiling voltage is about 342V, then LED
Series voltage will be more than 342V.
In the present embodiment, DC-DC boosting inverter unit 1122 includes inducer L2, switch
Diode D1, capacitor C6 and switch adjuster U1.
Preferably, can use and be integrated with pulsewidth modulation (PWM) controller and metal-oxide
The IC chip of semiconductor field (being referred to as the most again metal-oxide-semiconductor) is adjusted as switch
Whole device U1, wherein the outfan of PWM controller and the grid of metal-oxide-semiconductor couple to realize right
The control of metal-oxide-semiconductor turn-on and turn-off.In concrete switch adjuster chip, account for simplify
The regulation of empty ratio, the switching frequency that can keep metal-oxide-semiconductor is definite value (the most about 1MHz),
And the turn-off time of metal-oxide-semiconductor is adjustable；Or the turn-off time that can keep metal-oxide-semiconductor is
Definite value (the most about 320ns), and the switching frequency of metal-oxide-semiconductor is adjustable.Typically,
This kind of switch adjuster chip the most all configure drain lead that the drain electrode with metal-oxide-semiconductor couples and
The feedback pin controlling end coupling of PWM controller.The example of above-mentioned switch adjuster include but
It is not limited to CW12L30 and the CW12L40 chip that Pu Xinda Electronics Co., Ltd. of China produces
Deng.
As in figure 2 it is shown, inducer L2 and switching diode D1 is connected on rectification module 111
And between LED light source, wherein the positive pole of switching diode D1 couples with inducer L2, negative
Pole couples with LED light source.Preferably, the Schottky diode that speed is fast, pressure drop is little can be used
As switching diode D1.Drain lead D coupling with continued reference to Fig. 2, switch adjuster U1
It is combined between the positive pole of inducer L2 and switching diode D1, and feedback pin FB is with anti-
Feedback unit 130 couples.Additionally, in the circuit structure shown in Fig. 2, capacitor C6 and LED
Light source be connected to altogether the negative pole of switching diode D1 with when switching diode D1 ends to LED
Light source discharges.
See Fig. 2, switch adjuster U1 and include power pins VCC and grounding pin GND,
Wherein power pins VCC is through capacitor C4 ground connection.Preferably, power pins VCC coupling
To the outfan of power management module 113 to be powered by the latter.
Feedback unit 1123 includes crystal triode Q1, resistor R2, R3 and capacitor C5.
As in figure 2 it is shown, the type of attachment of crystal triode Q1 employing common emitter amplifying circuit, wherein,
Colelctor electrode coupled to the feedback pin of switch adjuster U1 feedback signal to be carried through resistor R3
Being supplied to switch adjuster U1, its emitter-base bandgap grading couples with ground connection using as input circuit and output loop
Common ground end, and the loop of base stage access LED light source is to extract detection signal.Resistor
R2 is coupled between base stage and ground connection to constitute input circuit.It addition, switch adjuster U1
Feedback pin FB is also through capacitor C5 ground connection.
The operation principle of LED drive module shown in Fig. 2 is below described.
When switching S1 Guan Bi, the convert alternating current of input is pulsating volage by rectification module 111
And the inducer L2 exported to DC-DC boosting inverter unit 1122.In switch adjuster U1
The metal-oxide-semiconductor in portion under the control of PWM controller signal with the highest frequency turn-on and turn-off.
When MOS turns on, under the effect of the output voltage of filter unit 1121, electric current stream
Through inducer L2 and metal-oxide-semiconductor, switching diode D1 is because of the voltage on capacitor C6
Cut-off.Along with the electric current flowing through inducer L2 constantly increases, in inducer, the energy of storage is the most not
Break and increase.Now, LED light source is powered by capacitor C6, and it relies on the electric discharge of capacitor C6
Current work.
When metal-oxide-semiconductor switches to off state, the electric current flowing through inducer L2 starts to reduce,
Thus induction electromotive force is induced at the two ends of inducer L2, its polarity is that the upper positive right side is born.Faradism
The defeated of filter unit 1121 is improved after kinetic potential is superimposed with the output voltage of filter unit 1121
Go out voltage.Now, the voltage of superposition is higher than the voltage on capacitor C6, therefore switching diode
D1 enters conducting state, and LED light source changes is powered by inducer L2, and capacitor C6 is also
By inducer L2 charging until the most switching-on state of metal-oxide-semiconductor.In the present embodiment,
The size of induction electromotive force depends on the dutycycle of metal-oxide-semiconductor, therefore can be by regulation PWM
The voltage increase amplitude desired by dutycycle acquisition of controller output signal.
Superposition electricity when metal-oxide-semiconductor is switched back to conducting state once again, at switching diode D1
Pressing off beginning reduction and will again be below the voltage on capacitor C6, therefore switching diode D1 enters
Entering cut-off state, LED light source changes by capacitor C6 with the power voltage supply promoted, and inducer
L2 starts again to store electric energy.
Therefore, under the control of PWM controller, metal-oxide-semiconductor is in above-mentioned turn-on and turn-off
Constantly switch between state, so that the voltage on LED light source positive pole remains at higher
Voltage levvl.
Seeing Fig. 2, LED light source and resistor R4, R5 are connected in parallel on the negative of switching diode D1
Between pole and resistor R2, and the negative pole of LED light source is coupled to crystal triode Q1's
Base stage.When the electric current and/or voltage flowing through LED light source occurs fluctuation, flow through crystal three pole
The electric current of the base stage of pipe Q1 also can change, the feedback signal after crystal triode Q1 amplifies
Exporting the feedback pin to switch adjuster U1 from colelctor electrode through resistor R3, PWM controls
The dutycycle of output signal thus can be adjusted by device according to feedback signal, thus makes offer
To electric current and the voltages keep constant of LED light source.
In the circuit structure shown in Fig. 2, feedback pin FB of switch adjuster U1 is also through big
The capacitor C5 ground connection of capacity, this can make the response of feedback control loop slow down, and feedback level is being handed over
Close to constant in the stream electric line half period.Substantially invariable feedback level represents in metal-oxide-semiconductor
Electric current corresponding to the average energy that is sent on LED light source within the half period of alternating current circuit.By
Work in fixed frequency in switch adjuster U1, before metal-oxide-semiconductor ON time terminates,
Increasing without departing from certain scope of electric current.By reducing when the alternating voltage of input increases
Flow through the switching current of metal-oxide-semiconductor, and increase flows through when the alternating voltage of input reduces
The switching current of metal-oxide-semiconductor, makes the corrugated minimum of LED light source input, and exchanges defeated
Enter electric current and can follow the tracks of the change of AC-input voltage the moment, thus realize the merit of power factor correcting
Energy.
It is pointed out that in the circuit structure shown in Fig. 2, PWM controller and MOS
Pipe is integrated in same IC chip, in order to improve integrated level further, it is also possible to examine
Consider and crystal triode Q1, PWM controller and metal-oxide-semiconductor three are integrated in same integrated electricity
In the chip of road.It may also be noted that PWM controller and metal-oxide-semiconductor can also be with discrete
The form of component is provided.
Fig. 3 is the circuit theory diagrams that can be applicable to the power management module in embodiment illustrated in fig. 1.
Power management module 113 shown in Fig. 3 includes power supervisor U3, switch S2, compares
Device U4, diode D2, resistor R6, R7 and capacitor C7.
Seeing Fig. 3, the input of power supervisor U3 is connected to through diode D2, switch S2
The positive terminal 1 of rectification module 111 (exemplarily representing with full-bridge rectifier BR1 in Fig. 3).
It addition, power supervisor U3 can comprise multiple outfan, to power to multiple functional circuit module.
In the example depicted in fig. 3, the outfan VCC1 of power supervisor U3 coupled to Fig. 2 institute
Show that the VCC end of switch adjuster U1 in LED drive module is to power to switch adjuster；
Additionally, power supervisor U3 also through outfan VCC2 and VCC3 respectively to radio communication mold
Block (not shown) and microcontroller (not shown) are powered.Exemplarily, power supervisor U3
Such as HIP6301, IS6537, RT9237, ADP3168 and TL494 etc can be used
IC chip realize.
The negative pole of diode D2 is connected with the input of power supervisor U3, positive pole and switch S2
It is connected, additionally, one end and power supervisor U3 defeated of the capacitor C7 as energy-storage travelling wave tube
Enter end and be connected to the negative pole of diode D2, other end ground connection altogether.The above-mentioned connection side of diode D2
Formula is possible to prevent when the voltage on bus ML is less than the voltage of capacitor C7, and electric charge will not be from
Capacitor C7 flows backwards to bus ML.
As it is shown on figure 3, resistor R6 and R7 is connected in series in the positive pole of full-bridge rectifier BR1
Between end 1 and negative pole end 2 (earth terminal), comparator U4 comprise first input end IN1, the
Two input IN2 and outfan OUT, wherein, first input end IN1 is connected to resistance
To receive the voltage signal Vsen of reflection busbar voltage amplitude between device R6 and R7, the second input
Then apply reference voltage V ref on end IN2, and outfan OUT is connected to switch the control of S2
End processed, thus the output signal by comparator U4 controls to switch the closed and disconnected of S2.
The operation principle of above-mentioned power management module 113 is described below in conjunction with Fig. 3 and 4.
The top half of Fig. 4 shows the voltage waveform on the positive terminal 1 of rectification module 111 (also
Voltage waveform on i.e. bus ML), and the latter half shows the electricity at diode D2 positive pole
Corrugating, in figure, abscissa represents time T, and the vertical coordinate of top half represents busbar voltage
VML, the vertical coordinate of the latter half represents the voltage V at diode D2 positive poleD。
Assume VTIt is set as the threshold voltage set in advance for controlling to switch the state of S2
(exemplarily, this voltage such as may be configured as 20 volts), i.e. when busbar voltage VMLIt is less than
This voltage VTTime, by making switch S2 be close to allow for power supervisor U3 directly from bus
ML draws electric energy, and when busbar voltage VMLMore than or equal to V during this voltageT, by making out
Close S2 to disconnect to forbid that power supervisor U3 directly draws electric energy from bus ML, now power supply
Manager U3 will draw electric energy from capacitor C7.By setting the electricity of resistor R6 Yu R7
The ratio of resistance and/or be applied to the benchmark on the second input IN2 of comparator U4 by setting
Voltage Vref, it is possible to achieve the control based on above-mentioned threshold voltage to switch S2.
See Fig. 4, for a half wave cycles (second half-wave interval in such as figure), moment
tA～tBBusbar voltage V of periodMLLess than threshold voltage VT, now it is applied to comparator U4's
Voltage signal Vsen on first input end IN1 will less than reference voltage V ref, thus than
Enable (Enable) signal making switch S2 close is produced on the outfan OUT of relatively device U4,
The now voltage V at diode D2 positive poleDCorresponding to busbar voltage VML, power manager U3
Directly will draw electric energy from bus ML, meanwhile, rectification module 111 is also to capacitor C7
It is charged.Then, at moment tB～tCPeriod, busbar voltage V is more than or equal to threshold voltage
VT, the voltage signal Vsen being therefore applied on the first input end IN1 of comparator U4 will be big
In or equal to reference voltage V ref, thus produce on the outfan OUT of comparator U4 and make out
Close non-energy (Disable) signal that S2 disconnects, so that power supervisor U3 and bus
ML disconnects, and its electric energy will change to be provided by capacitor C7, during this period, and diode D2
Voltage V at positive poleDIt is zero.Finally, at moment tC～tDPeriod, busbar voltage VMLAgain
Less than threshold voltage VTSo that it is applied to the voltage on the first input end IN1 of comparator U4
Signal Vsen is again less than reference voltage V ref, thus at the outfan OUT of comparator U4
Upper generation makes the enable signal that switch S2 closes, and power manager U3 recovers to draw from bus ML
Power taking energy.Above-mentioned power supply mode is same for other half wave cycles, thus at diode
Producing the voltage waveform as shown in Fig. 4 the latter half at D2 positive pole, wherein dash area represents electricity
Source manager U3 directly draws the period of electric energy from rectification module 111.
Comprise the illuminator of LED power of above-described embodiment in addition to illumination, it is also possible to carry
Application for other.Indoor such as can be built when integrated wireless communication module in LED power
Wireless communication networks.Owing to can be distributed with illuminator as the wireless communication module of network node
In indoor regional, therefore substantially increase coverage and the node density of network.Above-mentioned
Indoor wireless communication net can use various network topology structure, includes but not limited to that star network is opened up
Flutter structure, mesh network topologies structure, bunch l network topological structure and bunch tree network topology knot
Structure etc..Additionally, after not considering the network optimization factor when installing for illuminator and installing
General changeless feature, it is preferable that network node can be made to possess the ability of networking voluntarily.
In the following description, unless stated otherwise, term wireless communication module is permissible with network node
Exchange and use.
Can using in selected wireless communication module one or more as constructed by indoor wireless lead to
Letter net and external network or the network interface of external equipment, other wireless communication module can be through
This network interface and external device communication.External equipment such as includes but not limited to router, machine
Top box, mobile phone, household electrical appliance, remote controller and computer system etc..By router and machine top
Box, indoor wireless communication net can be connected with network and the cable TV network of telco provider respectively,
By mobile phone, indoor wireless communication net then can interconnect with mobile communication system, computer system
It can be such as long-distance meter-reading system etc..Network interface and external equipment can through wireless channel or
Wire medium is connected.Particularly, network interface can be through electric lines of force, with the side of power line carrier
Formula and long-distance meter-reading system communication.From explained below, wireless communication module can be built-in
In the LED power of LED light device, this is to have for the realization of power line carrier communication
Profit.
In it is pointed out that above-mentioned indoor wireless communication net, all of network node is all arranged
It is not necessary in illuminator.The most alternatively, the node as network interface is permissible
It is arranged in and is different from illuminator physically.Particularly, such network node is such as
The wireless communication module in following devices can be integrated in: router, POS, power supply are suitable
Orchestration, Home eNodeB, modem, Set Top Box, household electrical appliance and computer system etc..
Preferably, the netconfig function of indoor wireless communication net is only limitted at above-mentioned network interface
Middle offer, other network node does not has configuration feature.Correspondingly, external equipment is only capable of
Network configuration operations is realized by the netconfig function calling network interface.Preferably, for
Calling of netconfig function is provided with authentication mechanism, thus stops illegal or undelegated configuration
Operation.Here network configuration operations includes but not limited to multiple network nodes are interconnected and form room
Interior wireless communication networks, in indoor wireless communication net, increase or delete network node and upgrade of network
The program etc. run in node.
Another kind utilize according to the LED power of the present invention in integrated wireless communication module and
Build in the indoor wireless communication net formed, the wireless communication module one being arranged in illuminator
Aspect constitutes the network node of indoor wireless communication net to realize data in indoor wireless communication net
Transmission, on the other hand, wireless communication module also as access point, its nothing with network-external
Line equipment two-way communication is to provide access service.Thus, indoor wireless communication net plays biography simultaneously
Defeated net and the effect of access network, network node be somewhat similarly to " femto cell " (but
It is unlike mobile communication system, can be directly communication connection between femto cell,
And in mobile communication system, base station is connected with radio network controller), it is positioned at this network and covers
Wireless device in cover region territory can communicate with said external equipment through this network.Such as possesses nothing
The blood glucose meter of line communication capacity can be uploaded to telemedicine monitoring system through indoor wireless communication net
The glucose monitor data of user, it is also possible to receive the medication alert from telemedicine monitoring system
Or body-building instruction.Wireless device described here can be such as mobile device, and described movement sets
Standby such as including but not limited to mobile phone, portable computer, panel computer and wearable device.This
Outward, wireless device can also be disposed on the wireless communication module in fixing equipment, this fixing
Equipment such as include but not limited to router, Set Top Box, ammeter, water meter, gas meter, flow meter, family
Electrical appliance and computer system.Additionally, wireless device can also is that various wireless senser, example
As included but not limited to radio temperature sensor, wireless humidity sensor, wireless light intensity sensor
With wireless smoke gas sensor etc..
Alternatively, the wireless communication module as network node possesses frequency spectrum detecting ability, to keep away
Exempt from wireless channel interference and equalising network load.
Alternatively, the most unidirectional reception of wireless communication module or detection as network node are by network
The wireless signal that outside wireless device is launched, subsequently at indoor wireless communication net interiorly or exteriorly
Performing application based on this wireless signal, this kind of application such as includes but not limited to location (such as
Bluetooth signal according to receiving from the wireless device of such as mobile phone and wearable device etc determines position
Put), resource consumption monitoring (such as according to be arranged on household electrical appliance electric power meter,
The combustible gas metering arrangement being arranged on water heater, the flowmeter being arranged on water meter and
Wireless communication module on thermal gauge etc. receives consumed resource information), health status
Monitoring (the signal monitoring health status such as received according to the monitor be worn on) and
Environment measuring (is such as radio temperature sensor, wireless humidity sensor, nothing when wireless device
When line light intensity sensor and wireless smoke gas sensor etc.).
Alternatively, the wireless communication module as network node can also be launched wireless signal and connect
Receive corresponding wireless reflected signal, can interiorly or exteriorly perform base at indoor wireless communication net subsequently
In the application of this wireless reflected signal, this kind of application such as includes but not limited to position (such as root
Object space is determined according to the wireless reflected signal from object) and invader detection (such as basis
The intensity of wireless reflected signal and/or frequency spectrum determine whether that object enters area to be monitored) etc..
It is pointed out that when there being the abundant indoor wireless with above-mentioned functions and framework to lead to
When letter net is interconnected amongst one another, a wide area physical network being different from communication network will be constructed.By
Explained below is it will be seen that can provide numerous based on " by means of this communications infrastructure
Latter one meter " application of level, these application such as include but not limited to target in indoor location,
Precisely pushing and parking position guiding etc. of merchant advertisement.
Usually, in addition to LED power, LED light device also include LED light source and
Accommodate LED light source and the housing of LED power or pedestal (such as spot lamp cup, fluorescent tube,
Bulb lamp cell-shell etc.).In one is typically arranged, LED power and LED light source all by
It is arranged in housing or pedestal；In another kind is typically arranged, LED power and receiving LED
The housing of light source or pedestal are to separate；In also having a kind of typical layout, LED light source quilt
It is integrated in LED power (such as LED is arranged on the circuit board of LED power).
In superincumbent application, owing to wireless communication module is built in LED power, therefore room
The network node of interior wireless communication networks is along with the peace of the LED light device being equipped with wireless communication module
Installing to finish and can complete physics laying, this greatly reduces networking cost.As a new generation's light source
LED there is the plurality of advantages such as energy-conservation, safety and life-span length, along with the reduction of cost, its should
With by increasingly extensive.Under such a technological trend, the utilization of the present invention is arranged on illumination dress
Wireless communication module in putting is to build the technical scheme of indoor wireless communication net in technology and economy
On advantage will more highlight.
Additionally, the communication between network node is based on having layering in above-mentioned indoor wireless communication net
The protocol stack of structure.Described protocol stack such as includes but not limited to Bluetooth communication protocol stack, Wi-Fi
Communication protocol stack and Zigbee communication protocol stack etc..The situation coexisted in view of various protocols stack,
Wireless communication module can be made to support various protocols stack simultaneously and possess detection room to be accessed automatically
The ability of the protocol stack that the wireless device of interior radio communication is used.
Fig. 5 is the schematic diagram of the indoor wireless communication net according to another embodiment of the present invention.Show
Example ground, it is assumed that the indoor wireless communication net shown in Fig. 5 builds on the dwelling unit shown in Fig. 6
In.
For the sake of for convenience of description, identify the difference of this dwelling unit in Figure 5 with two digits
Region, such as 51 represent kitchen, and 52 represent parlor, and 53 represent toilet, and 54 and 55 represent
Bedroom, 56 represent balcony.Correspondingly, the LED light device in each region is with three bit digital
Mark, wherein, front two digitized representation zone number, LED in this region of end digitized representation
The sequence number of illuminator.
In the present embodiment, as the wireless communication module of network node of indoor wireless communication net
Being built in the LED power of LED light device, therefore these nodes can shine with LED
Bright device is distributed in apartment dwelling unit.It is pointed out that due to each such wireless
Communication module or network node are all associated with a corresponding illuminator, therefore unless said especially
Bright, they also identify with three bit digital of above-mentioned form.
As it is shown in figure 5, indoor wireless communication net 500 include wireless communication module 511,521-525,
531-532,541-543,551-553 and 561 are as network node.According to lattice described above
Formula, label 511 represent be positioned at kitchen the 1st illuminator wireless communication module or
Network node, label 521-525 represents 1-5 the illuminator being positioned at parlor respectively
Wireless communication module or network node, for remaining wireless communication module or network node, depend on
This analogizes.
Solid line in Fig. 5 represents can set up directly communication between two wireless communication modules
Connect.Although in the indoor wireless communication net 500 shown in Fig. 5 and paired wireless of not all
All can realize between communication module directly communicating to connect, but they can be by other nothing
Line communication module realizes indirectly communicating to connect as repeater, thus realizes point-to-point, broadcast
(wireless communication module other radio communication mold all in indoor wireless communication net 500
Block send signal) or multicast (wireless communication module is in indoor wireless communication net 500
Partly other wireless communication module send signal) etc. communication.Such as, on balcony 56
Wireless communication module 561 can be via wireless communication module 543,541,525 and 522 structure
The signal path become communicates with wireless communication module 521, it is also possible to via radio communication mold
The signal path that block 542,541,523 and 522 is constituted leads to wireless communication module 521
Letter.
In view of wireless communication module 521 near entry door, (such as check meter with equipment outdoors
The WAP of system) communication needed for radio transmitted power less, be therefore configured as
Network interface.But this is not necessarily required to, such as when needs by indoor wireless communication net 500 with
When broadband telecommunication network or cable TV network interconnection, it is also possible to wireless communication module 525 is joined
Being set to network interface, wherein, this wireless communication module 525 is positioned at and is connected to optical modem
Or near the wireless router of cable modem.In the present embodiment, network can be connect
Mouth is configured to provide for gateway function to use different at indoor wireless communication net 500 from external network
The interconnection between two networks is realized during agreement.Alternatively, gateway function can also be in indoor nothing
Equipment (WAP of the most aforementioned kilowatt meter reading-out system, light modulation outside line communication network 500
Demodulator and cable modem etc.) interior offer, each wireless communication module is to indoor wireless
The outside data sent of communication network 500 are all via the wireless communication module being configured to network interface
525 equipment being forwarded to described outside.
Hereinafter describing an exemplary application scenarios, it is for based on indoor wireless shown in Fig. 5
Communication network realizes the collection of resource consumption data.Under this scene, it is assumed that possess radio communication
The combustible gas metering arrangement of ability and flowmeter are arranged in kitchen 51, possess radio communication
The electric power meter of ability is arranged in parlor 52, and as the radio communication of network interface
Module 521 provides gateway function.
Long-distance meter-reading system through its WAP to the network node 521 as network interface
Send collection request, thus start gatherer process.In response to gathering request, network node 521 will
Collection request is converted to power consumption acquisition message, gas consumption acquisition message and water consumption
Acquisition message.Preferably, these messages can comprise destination and receive the identifier of equipment
And the address of the network node being associated, such as when destination's equipment is electric power meter,
Network node 521 is pointed in the address of network node, is and for example combustible gas metering arrangement when destination's equipment
Time, network node 511 is pointed in the address of network node.Subsequently, network node 521 is to electric energy meter
Amount device sends power consumption acquisition message, and sends gas consumption collection to network node 522
Command message and water consumption acquisition message, the command message of reception is then forwarded to net by the latter
Network node 523, then by network node 523, command message is forwarded to network node 511.Response
In the reception of command message, network node 511 fills to combustible gas metering arrangement and water consumption measurement respectively
Put transmission gas consumption acquisition message and water consumption acquisition message.
In response to the reception of command message, electric power meter returns electricity consumption to network node 521
Amount confirmation message, comprises identifier and the table of electric power meter in this power consumption confirmation message
Showing the number of checking meter of power consumption, meanwhile, combustible gas metering arrangement and flowmeter then respond
Return gas consumption confirmation message to network node 511 in the reception of respective command message and use water
Amount confirmation message, comprises the identifier of metering device and copying of being associated in these confirmation messages
Table number.These confirmation messages are then sent to net by network node 511 through network node 523,522
Network node 521.
At network node 521, these messages confirmed are converted into collection confirmation message and return
It is back to the WAP of long-distance meter-reading system, subsequently by the long-distance meter-reading system resource to gathering
Consumption data carry out processing (such as energy consumption analysis and charging etc.).
In above-mentioned scene, the network node in indoor wireless communication 500 is to being positioned at each covering
Equipment (being above-mentioned WAP and various metering device here) in region provides and accesses
The access capability of indoor wireless communication net, thus realize the communication between equipment.
Fig. 7 is the schematic diagram of the indoor wireless communication net according to a further embodiment of the present invention.
In the present embodiment, indoor wireless communication net 710 includes the nothing as radio access node
Line communication module 711A-711F and as network interface (being also called aggregation node below)
Wireless communication module 712, wherein wireless communication module 711A-711F is built in and is associated
In the LED power of LED light device, wireless communication module 712 can be built in and to be associated
In the LED power of LED light device, it is possible to be arranged in the thing being different from LED light device
On reason position.In latter is arranged, wireless communication module 712 such as can be as independent
Wireless Telecom Equipment exist, it is also possible to be integrated in various equipment, these equipment such as include but
It is not limited to router, POS, power supply adaptor, Home eNodeB, modem, machine top
Box, household electrical appliance and computer system etc..
As it is shown in fig. 7, in each of radio access node 711A-711F with aggregation node 712
Between set up and directly current connect (figure represents such communication connection with solid line).By
In aggregation node 712, WAP 711A-711F can realize indirectly communicating each other
Connect, thus realize the communications such as point-to-point, broadcast or multicast.On the other hand, nothing
Line access point 711A-711F also can be outside with indoor wireless communication net 710 through aggregation node 712
Equipment 720 (such as include but not limited to location-server, advertisement push system and on-line payment
System etc.) communication.
In the present embodiment, WAP 710A-710F is suitable in being positioned over region
Wireless device (such as mobile phone, portable computer, panel computer and wearable device etc.) provides
Accessing the access capability of indoor wireless communication net 700, thus, described wireless device can be through room
Interior wireless communication networks 700 and such as location-server, advertisement push system and on-line payment system
Etc remote computer system 720 communicate.
Fig. 8 is building based on indoor wireless communication net according to a further embodiment of the present invention
The schematic diagram of wireless communication networks.
Two indoor wireless communication net 810 Hes are included according to the wireless communication networks 80 of the present embodiment
820, each indoor wireless communication net includes radio access node and network interface, Qi Zhongwu
Line access point is built in the LED power of the LED light device being associated, network interface
Can be built in the LED power of the LED light device being associated, it is possible to be arranged in and be different from
LED light device is physically.In latter is arranged, network interface such as can be made
Exist for independent Wireless Telecom Equipment, it is also possible to be integrated in various equipment, these equipment examples
As included but not limited to router, POS, power supply adaptor, Home eNodeB, modulation /demodulation
Device, Set Top Box, household electrical appliance and computer system etc..
As shown in Figure 8, the radio access node 811A-811F in indoor wireless communication net 810
Each and network interface 812 between set up the most current connection, indoor wireless communication net
Radio access node 821A-821I in 820 can communicate with network interface 822 directly or indirectly
Connect.Thus, WAP can realize in respective indoor wireless communication net point-to-point,
The communications such as broadcast or multicast.On the other hand, can be at network interface 812 and 822
Between set up communicative couplings, thus realize the interconnection between indoor wireless communication net 810 and 820.
Alternatively, network interface 812 and 822 also can be with the equipment (example outside indoor wireless communication net
As included but not limited to location-server, advertisement push system and on-line payment system etc.) communicate.
The wireless communication networks of the present embodiment can be applicable to the public places such as megastore.Such as, may be used
So that such public place is divided into multiple region, set up corresponding indoor nothing for each region
Can be by directly leading between network interface between line communication network, and indoor wireless communication net
Letter connects or indirect communication connects (such as via gateway) and realizes interconnection.
It is pointed out that the indoor wireless communication net that the wireless communication networks of the present embodiment is comprised
Quantity be merely exemplary, actually can also comprise greater number of indoor wireless communication
Net, is consequently formed the wireless communication networks that coverage is bigger.
Although represented and discussed some aspects of the present invention, but the technology in this area
Personnel are it should be appreciated that can be to above-mentioned side under conditions of without departing substantially from the principle of the invention and spirit
Face is changed, and therefore the scope of the present invention will be limited by the content of claim and equivalent.
Claims (10)
1. a LED power, it is characterised in that including:
Rectification module；
The LED drive module coupled with described rectification module, for powering to LED light source；
Non-illumination functional circuit module, powers unrelated function with to LED light source for realizing；
It is coupling in the power management between described rectification module and described non-illumination functional circuit module
Module, comprises energy-storage travelling wave tube,
Wherein, to be configured as the output voltage of described rectification module little for described power management module
When preset value, it directly draws electric energy with to described non-illumination merit from described rectification module
Can circuit module power, and when described rectification module output voltage more than or equal to described in advance
During setting value, it draws electric energy with to described non-illumination functional circuit module from described energy-storage travelling wave tube
Power supply.
2. LED power as claimed in claim 1, wherein, described non-illumination functional circuit
Module for realize in following function at least one: reception of wireless signals and transmitting, sensing,
Data storage, data process and authentication.
3. LED power as claimed in claim 1, wherein, described non-illumination functional circuit
Module uses the form of IC chip.
4. LED power as claimed in claim 1, wherein, described power management module quilt
Being further configured to when the output voltage of described rectification module is less than preset value, it is the most sharp
Charge to described energy-storage travelling wave tube with the electric energy directly drawn from described rectification module.
5. LED power as claimed in claim 1, wherein, described power management module is also
Including:
Power supervisor；
It is coupling in the switch between described rectification module and described power supervisor；And
Comparator, comprise coupled to the first input end of described rectification module and its on benchmark is provided
Second input of voltage and with described switch control the outfan that end couples,
Wherein, described energy-storage travelling wave tube is coupling between described switch and described power supervisor, institute
State comparator when being configured as the voltage of described first input end less than described reference voltage, its
On described outfan, the signal of output makes described switch conduction, so that described rectification module
Power to described power supervisor and described energy-storage travelling wave tube is charged, and when described first input
When the voltage of end is more than or equal to described reference voltage, its signal exported on described outfan
Switch off described in making, so that described energy-storage travelling wave tube is powered to described power supervisor.
6. LED power as claimed in claim 1, wherein, described energy-storage travelling wave tube is electric capacity
Device or battery.
7. LED power as claimed in claim 5, wherein, described power supervisor is line
Property manostat or switching regulator.
8. a LED light device, it is characterised in that including:
LED light source；And
LED power, including:
Rectification module；
The LED drive module coupled with described rectification module, for supplying to LED light source
Electricity；
Non-illumination functional circuit module, powers unrelated merit with to LED light source for realizing
Energy；
It is coupling in the power supply between described rectification module and described non-illumination functional circuit module
Management module, comprises energy-storage travelling wave tube,
Wherein, to be configured as the output voltage of described rectification module little for described power management module
When preset value, it directly draws electric energy with to described non-illumination merit from described rectification module
Can circuit module power, and when described rectification module output voltage more than or equal to described in advance
During setting value, it draws electric energy with to described non-illumination functional circuit module from described energy-storage travelling wave tube
Power supply.
9. an indoor wireless communication net, it is characterised in that include multiple wireless communication module,
Each described wireless communication module is arranged in the interior illuminator being associated, described wireless
Communication module is configured to realizing communicative couplings each other, wherein, and described channel radio
Letter module is with the described non-illumination merit being included in LED light device as claimed in claim 8
The form of energy circuit module realizes.
10. indoor wireless communication net as claimed in claim 9, wherein, at least one described nothing
Line communication module is configured to other described wireless communication module can be through it with described indoor wireless
The network interface that equipment outside communication network communicates.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338466 | 2015-06-16 | ||
| CN2015103384667 | 2015-06-16 |
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| CN106257964B CN106257964B (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520662346.8U Active CN205048205U (en) | 2015-06-16 | 2015-08-28 | LED ball bubble lamp of built -in aerial |
| CN201510578081.8A Expired - Fee Related CN106257964B (en) | 2015-06-16 | 2015-09-11 | LED power supply and LED lighting device comprising same |
| CN201510632231.9A Active CN106257957B (en) | 2015-06-16 | 2015-09-29 | Device for tracking and recording moving state of object in specific area |
| CN201510651146.7A Pending CN111478873A (en) | 2015-06-16 | 2015-10-10 | Indoor wireless communication network and Internet of things system |
| CN201610425186.4A Pending CN106257949A (en) | 2015-06-16 | 2016-06-15 | Indoor wireless communication net and Internet of things system |
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| CN201520662346.8U Active CN205048205U (en) | 2015-06-16 | 2015-08-28 | LED ball bubble lamp of built -in aerial |
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| CN201510632231.9A Active CN106257957B (en) | 2015-06-16 | 2015-09-29 | Device for tracking and recording moving state of object in specific area |
| CN201510651146.7A Pending CN111478873A (en) | 2015-06-16 | 2015-10-10 | Indoor wireless communication network and Internet of things system |
| CN201610425186.4A Pending CN106257949A (en) | 2015-06-16 | 2016-06-15 | Indoor wireless communication net and Internet of things system |
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| CN106369364A (en) * | 2016-08-31 | 2017-02-01 | 广东酷柏光电股份有限公司 | Led lamp bulb |
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| CN107945755A (en) * | 2017-11-21 | 2018-04-20 | 深圳市华星光电技术有限公司 | Pulsewidth modulated intergrated circuit and display device |
| CN107945755B (en) * | 2017-11-21 | 2020-10-09 | 深圳市华星光电技术有限公司 | Pulse width modulation integrated circuit and display device |
| CN110267389A (en) * | 2019-05-22 | 2019-09-20 | 上海博昂电气有限公司 | Power source drive device and LED lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205048205U (en) | 2016-02-24 |
| CN111478873A (en) | 2020-07-31 |
| CN106257964B (en) | 2020-03-06 |
| CN106257957B (en) | 2021-12-17 |
| CN106257949A (en) | 2016-12-28 |
| CN106257957A (en) | 2016-12-28 |
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