CN204948431U - Light-emitting device - Google Patents
Light-emitting device Download PDFInfo
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- CN204948431U CN204948431U CN201520624548.3U CN201520624548U CN204948431U CN 204948431 U CN204948431 U CN 204948431U CN 201520624548 U CN201520624548 U CN 201520624548U CN 204948431 U CN204948431 U CN 204948431U
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Abstract
A kind of light-emitting device, comprises voltage transformation module, switch element, control module, sensing module, first and second light emitting module.Voltage transformation module is electrically connected rectification module.Switch element is electrically connected rectification module and voltage transformation module.Control module is electrically connected switch element and voltage transformation module.Sensing module is electrically connected control module, and sensing module is used for the intrusion of sensing one object in a sensing range.First light emitting module is electrically connected switch element.Second light emitting module is electrically connected sensing module.Sensing module is powered to the second light emitting module, to make the second light emitting module output beam, sense the intrusion of object in sensing module, sensing module exports a sensing signal to control module, control module control switch cell conduction, to make the first light emitting module output beam.The utility model is powered to the second light emitting module by sensing module or control module, to make the second light emitting module continue output beam, promotes the ease of use of light-emitting device whereby.
Description
Technical field
The utility model is to provide a kind of light-emitting device, especially for the light-emitting device of illumination.
Background technology
Due to light-emitting diode, to have low power consumption, high brightness and life-span long, and therefore light-emitting diode is widely used in lighting apparatus miscellaneous gradually.Lighting apparatus includes rectification circuit, diverter switch, light emitting module and current source, and light emitting module is for be composed in series by many light-emitting diodes.Rectification circuit explains with full-wave rectifying circuit in this formula, and therefore AC power is to obtain pulsating direct current through rectification circuit, and this pulsating direct current is namely as the input power of supply light-emitting diode.When the LEDs ON of many series connection, current source can provide stable electric current to each light-emitting diode in light emitting module.
Wherein, general sensing lighting apparatus in order to the intrusion of object sensing, and exports the light beam of high brightness.Pass through in general passerby or the 3rd people or be positioned at the sensing range of general sensing lighting apparatus, when general sensing lighting apparatus senses the intrusion of object, generally sensing lighting apparatus can produce suddenly or instantaneously the light beam of high brightness.Therefore, passerby or the 3rd people often frighten by the light beam that lights instantaneously, even cause because of the passerby that frightens by the light beam that lights instantaneously or the 3rd people fall, to bump against or injured, cause the inconvenience that general sensing lighting apparatus uses whereby.
Utility model content
The utility model is to provide a kind of light-emitting device, powers to the second light emitting module by sensing module or control module, to make the second light emitting module continue output beam, promotes the ease of use of light-emitting device whereby.
The utility model provides a kind of light-emitting device, be applicable to electric connection one AC power, AC power exports an input voltage via after a rectification module rectification, and light-emitting device comprises: a voltage transformation module, a switch element, a control module, a sensing module, one first light emitting module and one second light emitting module.Voltage transformation module is electrically connected rectification module.Switch element is electrically connected rectification module and voltage transformation module.Control module is electrically connected switch element and voltage transformation module.Sensing module is electrically connected control module, and sensing module is used to the intrusion of sensing one object in a sensing range.First light emitting module is electrically connected switch element.Second light emitting module is electrically connected sensing module.Wherein, sensing module is powered to the second light emitting module, continues output beam to make the second light emitting module, when sensing module senses the intrusion of object, sensing module exports a sensing signal to control module, control module control switch cell conduction, to make the first light emitting module output beam.
Concrete means of the present utility model are for utilizing a kind of light-emitting device, by first and second light emitting module to export principal light source and secondary light source respectively, after light-emitting device is enabled startup, second light emitting module continues output beam, to cause the attention of user or the 3rd people, when sensing module senses the intrusion of object, control module control switch cell conduction, to make the first light emitting module output beam.In addition, the utility model more comprises a light-adjusting module, in order to adjust the default light-modulating mode of control module, promotes the ease of use of light-emitting device whereby.
The utility model is powered to the second light emitting module by sensing module or control module, to make the second light emitting module continue output beam, promotes the ease of use of light-emitting device whereby.
For enable technology, method and effect of further understanding the utility model and taking, refer to following about detailed description of the present utility model and accompanying drawing, above about the explanation of the utility model content and the explanation of following execution mode, all to further illustrate technological means of the present utility model and reaching effect, so the embodiment that describes and graphicly only provide reference that use is described, be not used for being limited the utility model.
Accompanying drawing explanation
Fig. 1 is the function block schematic diagram of the light-emitting device of the utility model one embodiment.
Fig. 2 is the circuit diagram of the light-emitting device of another embodiment of the utility model according to Fig. 1.
Fig. 3 is the function block schematic diagram of the light-emitting device of another embodiment of the utility model.
Fig. 4 is the waveform schematic diagram of the light-emitting device sensing luminosity-time of another embodiment of the utility model.
Fig. 5 A is the schematic diagram of the light-emitting device of another embodiment of the utility model.
Fig. 5 B is the schematic diagram of the light-emitting device of another embodiment of the utility model.
Wherein, description of reference numerals is as follows:
1,1a, 1b: light-emitting device
10: rectification module
12: voltage transformation module
14: control module
140: control unit
142: concussion unit
144: coding unit
16: switch element
18: the first light emitting modules
180: alternating-current light emitting diode
182: exchange running unit
184: rectification unit
20: light-adjusting module
22: division module
24: memory module
26: sensing module
28: the second light emitting modules
AC: AC power
R1 ~ R5: resistance
C1 ~ C3: electric capacity
MG: transistor switch
D1 ~ D2: diode
SCL: serial clock pulse
SDA: serial data
RST: reset
VSS, VDD: voltage
T1 ~ t7: time
Embodiment
Fig. 1 is the function block schematic diagram of the light-emitting device of the utility model one embodiment.Refer to Fig. 1.A kind of light-emitting device 1, be applicable to electric connection one AC power AC, AC power AC exports an input voltage via after rectification module 10 rectification.Light-emitting device 1 comprises voltage transformation module 12, switch element 16, control module 14, sensing module 26,1 first light emitting module 18 and one second light emitting module 28.In practice, voltage transformation module 12 is electrically connected rectification module 10, switch element 16 and control module 14.Switch element 16 is electrically connected rectification module 10, voltage transformation module 12, control module 14 and the first light emitting module 18.Sensing module 26 is electrically connected control module 14 and the second light emitting module 28.
AC power AC is such as the AC power of 110 volts, 220 volts or other numerical value, in order to supply electrical power to light-emitting device 1, and the aspect of the present embodiment not limiting AC power supply AC.Then, rectification module 10 exports an input voltage in order to rectification.In practice, rectification module 10 is such as full-bridge type or semibridge system rectification circuit, and the present embodiment does not limit the aspect of rectification module 10.
As AC power AC through rectification module 10 to obtain pulsating direct current, namely and this pulsating direct current is as the input voltage supplying control module 14.Furtherly, this pulsating direct current can be the pulsating direct current of all-wave or half-wave.For convenience of description, rectification module 10 is such as full-wave rectifying circuit, and to be can for the input voltage of control module 14 and the first light emitting module 18 by the wave rectification of AC power AC, this input voltage be such as the pulsating direct current of the all-wave of positive half cycle.In other embodiments, input voltage also can be the pulsating direct current of the half-wave of positive half cycle.The present embodiment does not limit the aspect of input voltage.And the following description lays down a definition with the pulsating direct current of the all-wave of positive half cycle.
Input voltage in order to be a predeterminated voltage by input voltage step-down, such as, is depressurized to the operating voltage needed for control module 14 by voltage transformation module 12.And the operating voltage needed for control module 14 is such as 5 volts.Voltage transformation module 12 is such as realized by reduction voltage circuit, step-up/step-down circuit, bleeder circuit or other change-over circuits.The aspect of the present embodiment not deboost modular converter 12.
In other embodiments, input voltage can be depressurized to the operating voltage needed for sensing module 26 by voltage transformation module 12.And the operating voltage needed for sensing module 26 is such as 5 volts.Therefore, voltage transformation module 12 can provide control module 14 and the operating voltage needed for sensing module 26 simultaneously; Or first power to control module 14, then power to sensing module 26; Or first power to sensing module 26, then power to control module 14.Those skilled in the art can free design voltage modular converter 12 by power supply after input voltage conversion to the function mode of control module 14 and sensing module 26 one of them or combination.
Switch element 16 is such as one or more power transistor; Or one or more field-effect transistor.The aspect of the present embodiment not limit switch unit 16.In practice, switch element 16 is controlled by control module 14.When switch element 16 conducting, AC power AC will power to the first light emitting module 18 via rectification module 10.Otherwise when switch element 16 ends, AC power AC cannot power to the first light emitting module 18.
The alternating-current light emitting diode that first light emitting module 18 is designed by the alternating-current light emitting diode of one or more series connection, the alternating-current light emitting diode of one or more parallel connection or bridge circuit realizes.The present embodiment does not limit the aspect of the first light emitting module 18.No matter alternating current direction why, positive and negative to the first light emitting module 18 bias voltage all can be made luminous.
In other embodiments, the first light emitting module 18 also can be the light-emitting diode of one or more series connection, the light-emitting diode of one or more parallel connection or one or more series-parallel light-emitting diode.Wherein, the first light emitting module 18 is driven and output beam by DC driver.The present embodiment does not limit the aspect of the first light emitting module 18.
Second light emitting module 28 is realized by the light-emitting diode of one or more series connection, the light-emitting diode of one or more parallel connection or one or more series-parallel light-emitting diode.The present embodiment does not limit the aspect of the second light emitting module 28.In practice, the luminosity of the first light emitting module 18 is greater than the luminosity of the second light emitting module 28.First light emitting module 18 is main light emitting source, and the second light emitting module 28 is auxiliary light emission source.
It should be noted that operating voltage received by sensing module 26 is in order to be supplied to the second light emitting module 28.That is, light-emitting device 1 is electrically connected to civil power, or light-emitting device 1 be enabled start after, the second light emitting module 28 continues output beam, and sensing module 26 also can continue the intrusion of object sensing.In other words, sensing module 26 continues the intrusion of object sensing, and the second light emitting module 28 also can continue output beam, to remind user or the 3rd people simultaneously.
For example, general sensing lighting apparatus is in order to the intrusion of object sensing and output beam.But general passerby or the 3rd people, through the sensing range of general sensing lighting apparatus, cause general sensing lighting apparatus moment output beam, general passerby or the 3rd people often frighten by the light beam that lights instantaneously.Therefore, the present embodiment is by the second light emitting module 28 of continuous illumination, and to make general passerby or the 3rd people can notice light-emitting device 1, general whereby passerby or the 3rd people are contemplated to the light beam that light-emitting device 1 exports instantaneously.
It is worth mentioning that, in other embodiments, the electric power needed for the second light emitting module 28 luminescence can be provided by control module 14.That is, the operating voltage received by control module 14 is in order to be supplied to the second light emitting module 28.Those skilled in the art freely can design the power source needed for the second light emitting module 28.
Control module 14 is electrically connected switch element 16, voltage transformation module 12 and sensing module 26.In practice, control module 14 is such as realized by microprocessor, control wafer, process wafer or control circuit.The present embodiment does not limit the aspect of control module 14.In practice, control module 14, in order to the conducting of control switch unit 16 or cut-off, controls luminosity or the light emission color temperature of the first light emitting module 18 whereby.
Sensing module 26 is used to the intrusion of sensing one object in a sensing range.In practice, sensing module 26 is such as realized by infrared sensor, microwave sensor, bluetooth sensor, radio frequency sensor or other sensors.The present embodiment does not limit the aspect of sensing module 26.
Wherein, sensing module 26 to the second light emitting module 28, continues output beam to make the second light emitting module 28 in order to power supply.When sensing module 26 senses the intrusion of object, sensing module 26 exports a sensing signal to control module 14, the conducting of control module 14 control switch unit 16, to make the first light emitting module 18 output beam.
Specifically, when sensing module 26 senses the intrusion of object, sensing module 26 exports a sensing signal to control module 14.Sensing signal means and shows that control module 14 exports the pulse waveform signal of different responsibility cycle to switch element 16.When sensing module 26 does not sense the intrusion of object, control module 14 is with the conducting of those one of them control switch unit 16 of default light-modulating mode or cut-off.
For example, control module 14 has multiple above default light-modulating mode.Wherein, when control module 14 receives sensing signal, control module 14 operates with the default light-modulating mode of 100% light modulation.Therefore, control module 14 exports the pulse waveform signal of 100% light modulation to switch element 16, and the first light emitting module 18 exports the light of 100% brightness whereby.
Otherwise when control module 14 does not receive sensing signal, control module 14 is operate with the default light-modulating mode of 25% light modulation.Therefore, control module 14 exports the pulse waveform signal of 25% light modulation to switch element 16, and the first light emitting module 18 exports the light of 25% brightness whereby.In other embodiments, when control module 14 does not receive sensing signal, control module 14 operates with the default light-modulating mode of 0% light modulation, or the default light-modulating mode of other low numerical value light modulations operates.The present embodiment does not limit the aspect of light-emitting device 1.
Based on above-mentioned, the present embodiment by the second light emitting module 28 to export a secondary light source, and by the first light emitting module 18 to export a principal light source.Wherein, second light emitting module 28 is electrically connected sensing module 26, and receive the electric power that sensing module 26 provides, the second light emitting module 28 is caused to continue output beam to cause the attention of general passerby or the 3rd people, avoid scaring to general passerby or the 3rd people whereby, or avoid the general passerby that frightens or the 3rd people injured.
Next, thin portion circuit and the function mode of light-emitting device 1 is further illustrated.
Fig. 2 is the circuit diagram of the light-emitting device of another embodiment of the utility model according to Fig. 1.Refer to Fig. 2 and Fig. 1.A kind of light-emitting device 1a, be applicable to electric connection one AC power AC, AC power AC exports an input voltage via after rectification module 10 rectification.Light-emitting device 1a comprises voltage transformation module 12, switch element 16, control module 14, division module 22, sensing module 26,1 first light emitting module 18 and one second light emitting module 28.
Specifically, voltage transformation module 12 comprises multiple resistance R1 ~ R3, a diode D1, a transistor switch MG and multiple electric capacity C1 ~ C2, the grid of transistor switch MG is electrically connected the negative electrode of those resistance R1 ~ R3 one of them and diode D1, and the anode of diode D1 is electrically connected the source electrode of transistor switch MG.Those resistance R1 ~ R3 is such as one first resistance R1, one second resistance R2 and the 3rd resistance R3.First resistance R1 is electrically connected the negative electrode of diode D1, the grid of transistor switch MG and rectification module 10.Second resistance R2 is electrically connected drain electrode and the rectification module 10 of transistor switch MG, and electric capacity C2 is in parallel with the 3rd resistance R3, as Figure 2 illustrates.
Switch element 16 is such as a power transistor.The grid of power transistor is electrically connected control module 14.Source electrode and the drain electrode of power transistor are electrically connected voltage transformation module 12 and the first light emitting module 18 respectively.Those skilled in the art should know the function of power transistor, do not repeat them here.
Control module 14 comprises a control unit 140, and shakes unit 142 and a coding unit 144.In practice, control unit 140 is electrically connected voltage transformation module 12, concussion unit 142 and coding unit 144.In practice, shake unit 142 in order to computing time, to make the timing light modulation of control unit 140 more accurate.In other embodiments, control unit 140 itself also has built-in oscillator.Therefore, control module 14 can additional concussion unit 142, or not additional concussion unit 142 realizes timing light regulating technology.The present embodiment does not limit control module 14 aspect.
It is worth mentioning that, coding unit 144 has serial clock pulse SCL, serial data SDA and resets the pins such as RST, and the pin such as serial clock pulse SCL, serial data SDA and replacement RST is electrically connected control unit 140 respectively.The predeterminated voltage that another coding unit 144 exports in order to receiver voltage modular converter 12 is such as the operating voltage of 5 volts.
First light emitting module 18 comprises a rectification unit 184, and exchanges running unit 182 and at least one alternating-current light emitting diode 180.Rectification unit 184 is electrically connected and exchanges running unit 182 and at least one alternating-current light emitting diode 180.Alternating-current light emitting diode 180 is such as AC-LED, adopts the design of WheatstoneBridge (Wheatstone bridge, be called for short bridge-type) formula, make no matter alternating current direction why, positive and negative to all can bias voltage luminous, as Figure 2 illustrates.
Rectification unit 184 is such as full-bridge type or semibridge system rectification circuit, and the present embodiment does not limit the aspect of rectification unit 184.Another interchange running unit 182 such as realizes by exchanging running wafer, bridge-type running wafer or circuit, and the present embodiment does not limit the aspect of the first light emitting module 18.
In addition, division module 22 is such as realized by bleeder circuit.In practice, control module 14 by division module 22 to obtain electric energy or the electric power data of AC power AC.In addition, the resistance of resistance R5 is greater than the resistance of resistance R4.In other embodiments, the resistance of resistance R5 is less than or equal to the resistance of resistance R4.The present embodiment does not limit the aspect of division module 22.
Fig. 3 is the function block schematic diagram of the light-emitting device of another embodiment of the utility model.Refer to Fig. 3.Both light-emitting devices 1 structural similarity in light-emitting device 1b and Fig. 1 wherein in Fig. 3, and below the similar elements included by the two is represented with identical label.The difference of both light-emitting device 1b, 1 is: light-adjusting module 20 and a memory module 24.Light-adjusting module 20 is electrically connected control module 14.Memory module 24 is electrically connected control module 14.
Specifically, control module 14 has multiple above default light-modulating mode, and those default light-modulating modes are that instruction control module 14 exports the pulse waveform signal of different responsibility cycle to switch element 16.Control module 14 according to the phase place of trigger impulse and input voltage to produce pulse waveform signal.
Specifically, control module 14 according to input voltage and a dim signal to export a pulse waveform signal to switch element 16.Switch element 16, according to pulse waveform signal conducting or cut-off, exports a light beam to make the first light emitting module 18.In practice, pulse waveform signal is the waveform of the all-wave of positive half cycle according to input voltage, and forms the signal of similar pulse width modulation signal (PWM).Wherein, switch element 16 is according to pulse waveform signal with conducting or the circuit between cut-off AC power AC and the first light emitting module 18, and the first light emitting module 18 exports the light beam of different brightness whereby.
In addition, light-adjusting module 20 is such as switch on switch knob, switching push button, diverter switch or wall.The present embodiment does not limit the aspect of light-adjusting module 20.Wherein, light-adjusting module 20 has multiple above light modulation address, and those light modulation addresses wherein arbitrary instruction control module 14 export the pulse waveform signal of different responsibility cycle to switch element 16.
For example, light-adjusting module 20 is such as switch knob, and light-adjusting module 20 has four kinds of light modulation addresses, as 100% brightness, 75%, the light modulation address of 25% and 0%.When switch knob is adjusted to the light modulation address of 75%, light-adjusting module 20 exports if the dim signal of 75% is to control module 14.Control module 14 is according to the default light-modulating mode of the responsibility cycle of 75% light modulation, and therefore control module 14 exports the pulse waveform signal of the responsibility cycle as being 75% light modulation to switch element 16, and the first light emitting module 18 exports 75% light modulation brightness whereby.
And for example, when switch knob is adjusted to the light modulation address of 25%, control module 14 is according to the default light-modulating mode of the responsibility cycle of 25% light modulation, therefore control module 14 exports the pulse waveform signal of the responsibility cycle as being 25% light modulation to switch element 16, and the first light emitting module 18 exports 25% light modulation brightness whereby.The present embodiment does not limit the running aspect of light-emitting device 1b.
In addition, memory module 24 is such as one of them of a non-volatility memorizer, a volatile storage, a SD card and a flash memory or combines.The present embodiment does not limit the aspect of memory module 24.For example, memory module 24 stores one or more default light-modulating mode; Or store the pulse waveform signal of one or more different responsibility cycle.The present embodiment does not limit the aspect of memory module 24.Remainder is then identical, is not namely repeated at this.
Fig. 4 is the waveform schematic diagram of the light-emitting device sensing luminosity-time of another embodiment of the utility model.Refer to Fig. 4.As the sensing module 26 in Fig. 1 ~ Fig. 3 do not sense the intrusion of object time, the second light emitting module 28 is lasting output beam, to cause the attention of user or the 3rd people.When sensing module 26 in Fig. 1 ~ Fig. 3 senses the intrusion of object, the first light emitting module 18 is by the light beam of output one predetermined luminance, and the second light emitting module 28 also continues output beam.
Specifically, after light-emitting device 1 is enabled and starts, in time 0 ~ t1, the second light emitting module 28 is by output beam.Wherein the brightness system of light beam from zero luminance linearly to rise to low-light level.So when time t1, the second light emitting module 28 will maintain certain brightness and output beam.That is, the second light emitting module 28 is in the luminance of low-light level.
When time t2, sensing module 26 senses the intrusion of object.Therefore, in time t2 ~ t3, the second light emitting module 28 still maintains certain brightness and exports the light beam of low-light level.And the first light emitting module 18 is by output beam.Wherein the brightness system of light beam from zero luminance linearly to rise to high brightness.But general lighting apparatus senses lies in moment to the brightness of object and rises to high brightness from zero luminance.So general lighting apparatus senses is the brightness that staged is climbed to the brightness of object.Therefore, general lighting apparatus senses may frighten user, visitor, passerby or the 3rd people to the brightness of object.
Therefore, during the brightness of first light emitting module 18 of the present embodiment from zero luminance linearly to rise to high brightness, not moment rises to high brightness from zero luminance.So the brightness that the light-emitting device 1 of the present embodiment senses object can not frighten user, visitor, passerby or the 3rd people.
Then, sensing module 26 does not sense the intrusion of object again.In time t3 ~ t4, the first light emitting module 18 is by the light of lasting output high brightness.Wherein, control module 14 exports the pulse waveform signal of 100% light modulation, with the conducting of control switch module or cut-off.And control module 14 can be set as lasting 10 seconds according to default light-modulating mode or a Preset Time exports the pulse waveform signal of 100% light modulation.That is, the first light emitting module 18 is in the luminance of high brightness, and continues for some time t3 ~ t4.
The object invaded have left sensing range, and sensing module 26 does not sense the intrusion of object again.In time t4 ~ t5, the first light emitting module 18 is by output beam.Wherein the brightness of light beam is to be linearly reduced to zero luminance from high brightness.Therefore, the brightness of first light emitting module 18 of the present embodiment is from high brightness to be linearly reduced to zero luminance, and not moment is reduced to zero luminance from high brightness.Wherein, the second light emitting module 28 still maintains certain brightness and exports the light beam of low-light level.So the light-emitting device 1 of the present embodiment senses the brightness of object can not be quickly dimmed, but slow fall dimmed.Therefore, user, visitor, passerby or the 3rd people can not frighten by quickly dimmed brightness or for the moment cannot see context.
In time t5 ~ t6, the second light emitting module 28 still continues the light beam exporting low-light level.Afterwards, in time t6, after light-emitting device 1 is closed, in time t6 ~ t7, the second light emitting module 28 is by output beam.Wherein the brightness of light beam is to be linearly reduced to zero luminance from low-light level.Therefore, the brightness of second light emitting module 28 of the present embodiment is from low-light level to be linearly reduced to zero luminance, and not moment is reduced to zero luminance from low-light level.
So the light-emitting device 1 of the present embodiment senses the brightness of object can not be quickly dimmed, but slow fall dimmed.Therefore, user, visitor, passerby or the 3rd people can not frighten by quickly dimmed brightness or for the moment cannot see context.Those skilled in the art can according to the present embodiment technical spirit to adjust the slope of curve, duration, the increase of brightness or to delete a certain period or other function modes.The present embodiment does not limit the running aspect of light-emitting device 1.
Fig. 5 A is the schematic diagram of the light-emitting device of another embodiment of the utility model.Refer to Fig. 5 A.Fig. 5 A illustrates one first light emitting module 18 and one second light emitting module 28.Wherein the first light emitting module 18 is the main body of light-emitting device 1, and the second light emitting module 28 is around the first light emitting module 18, and formed as Fig. 5 A the first light emitting module 18 and the second light emitting module 28 of illustrating.
In practice, after light-emitting device 1 is enabled and starts, the second light emitting module 28 by exporting the light beam of low-light level, to form a ring of light.User or the 3rd people can notice the existence of light-emitting device 1 whereby.When sensing module 26 senses the intrusion of object, the first light emitting module 18 exports the light beam of high brightness by being enabled, to form the light emitting source of a spheroidal.The present embodiment does not limit the aspect of the first light emitting module 18 and the second light emitting module 28.
Fig. 5 B is the schematic diagram of the light-emitting device 1 of another embodiment of the utility model.Refer to Fig. 5 B.Fig. 5 B illustrates one first light emitting module 18 and one second light emitting module 28.Wherein the first light emitting module 18 is the main body of light-emitting device 1, and the second light emitting module 28 is for being configured at the little luminous point near the first light emitting module 18, and formed as Fig. 5 B the first light emitting module 18 and the second light emitting module 28 of illustrating.
In practice, after light-emitting device 1 is enabled and starts, the second light emitting module 28 by exporting the light beam of low-light level, to form a luminous point or striation.User or the 3rd people can notice the existence of light-emitting device 1 whereby.When sensing module 26 senses the intrusion of object, the first light emitting module 18 exports the light beam of high brightness by being enabled, to form the light emitting source of a spheroidal.The present embodiment does not limit the aspect of the first light emitting module 18 and the second light emitting module 28.
In sum, the utility model provides a kind of light-emitting device, by first and second light emitting module to export principal light source and secondary light source respectively, after light-emitting device is enabled startup, second light emitting module continues the light beam exporting low-light level, to cause the attention of user or the 3rd people, when sensing module senses the intrusion of object, control module control switch cell conduction, with the light beam making the first light emitting module export high brightness.Wherein, the luminosity of the first light emitting module is greater than the luminosity of the second light emitting module.In addition, control module according to input voltage and a dim signal to export a pulse waveform signal to switch element.Switch element is according to pulse waveform signal conducting or end the first light emitting module, with the light beam making the first light emitting module export different brightness.Wherein, pulse waveform signal is the voltage waveform produced according to the phase place of input voltage and trigger impulse.And the phase place of trigger impulse will have influence on the responsibility cycle of pulse waveform signal.Pulse waveform signal is the waveform of the positive half cycle according to input voltage, and forms the signal of similar pulse width modulation signal (PWM).Thus, the light-emitting device of the present embodiment can promote using and operating convenience of lighting apparatus really.The foregoing is only embodiment of the present utility model, it is also not used to limit to the scope of the claims of the present utility model.
The real important document having met new patent of the utility model, files an application in accordance with the law.Only above disclosed person, is only the utility model preferred embodiment, and from not limiting interest field of the present utility model with this, the equalization therefore done according to the utility model claim changes or modifies, and still belongs to the scope that the utility model is contained.
Claims (11)
1. a light-emitting device, is applicable to electric connection one AC power, and this AC power exports an input voltage via after a rectification module rectification, it is characterized in that, this light-emitting device comprises:
One voltage transformation module, is electrically connected this rectification module;
One switch element, is electrically connected this rectification module and this voltage transformation module;
One control module, is electrically connected this switch element and this voltage transformation module;
One sensing module, is electrically connected this control module, and this sensing module is used to the intrusion of sensing one object in a sensing range;
One first light emitting module, is electrically connected this switch element; And
One second light emitting module, is electrically connected this sensing module;
Wherein, this sensing module is powered to this second light emitting module, output beam is continued to make this second light emitting module, when this sensing module senses the intrusion of this object, this sensing module exports a sensing signal to this control module, this control module controls this switching means conductive, to make this first light emitting module output beam.
2. light-emitting device as claimed in claim 1, wherein this control module is according to this input voltage and a dim signal to export a pulse waveform signal to this switch element, and this switch element is according to this pulse waveform signal conducting or end this first light emitting module.
3. light-emitting device as claimed in claim 2, wherein this control module has multiple above default light-modulating mode, those default light-modulating modes are that this control module of instruction exports this pulse waveform signal of different responsibility cycle to this switch element, this control module according to the phase place of trigger impulse and this input voltage to produce this pulse waveform signal.
4. light-emitting device as claimed in claim 3, wherein this sensing signal is that this control module of instruction exports this pulse waveform signal to this switch element, when this sensing module does not sense the intrusion of this object, with those default light-modulating modes, one of them controls conducting or the cut-off of this switch element to this control module.
5. light-emitting device as claimed in claim 2, also comprise a light-adjusting module, be electrically connected this control module, this light-adjusting module has multiple above light modulation address, and those light modulation addresses are that this control module of instruction exports this pulse waveform signal of different responsibility cycle to this switch element.
6. light-emitting device as claimed in claim 1, wherein this voltage transformation module comprises multiple resistance, one diode, one transistor switch and multiple electric capacity, the grid of this transistor switch is electrically connected the negative electrode of those resistance one of them and this diode, the anode of this diode is electrically connected the source electrode of this transistor switch, those resistance are one first resistance, one second resistance and one the 3rd resistance, this the first resistance is electrically connected the negative electrode of this diode, the grid of this transistor switch and this rectification module, this second resistance is electrically connected drain electrode and this rectification module of this transistor switch, those electric capacity and the 3rd resistor coupled in parallel.
7. light-emitting device as claimed in claim 1, wherein this switch element is a power transistor, the grid of this power transistor is electrically connected this control module, and source electrode and the drain electrode of this power transistor are electrically connected this voltage transformation module and this first light emitting module respectively.
8. light-emitting device as claimed in claim 1, also comprise a division module and a memory module, this division module is electrically connected between this control unit and this AC power, this memory module is electrically connected this control module, and this control module comprises a control unit, concussion unit and a coding unit, this control unit is electrically connected this voltage transformation module, this concussion unit and this coding unit.
9. light-emitting device as claimed in claim 1, wherein the luminosity of this first light emitting module is greater than the luminosity of this second light emitting module, and this first light emitting module is main light emitting source, and this second light emitting module is auxiliary light emission source.
10. the light-emitting device as described in claim 1 or 9, wherein this first light emitting module comprises a rectification unit, interchange running unit and an at least one alternating-current light emitting diode, and this rectification unit is electrically connected this interchange running unit and this at least one alternating-current light emitting diode.
11. light-emitting devices as claimed in claim 1, operating voltage wherein received by this sensing module is in order to be supplied to this second light emitting module, and this sensing module is one of them or combination of an infrared sensor, microwave sensor, bluetooth sensor and wireless fidelity sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520624548.3U CN204948431U (en) | 2015-08-18 | 2015-08-18 | Light-emitting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520624548.3U CN204948431U (en) | 2015-08-18 | 2015-08-18 | Light-emitting device |
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| CN204948431U true CN204948431U (en) | 2016-01-06 |
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| CN201520624548.3U Active CN204948431U (en) | 2015-08-18 | 2015-08-18 | Light-emitting device |
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| CN (1) | CN204948431U (en) |
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