CN203015194U - LED lamp drive power supply based on power line carrier - Google Patents
LED lamp drive power supply based on power line carrier Download PDFInfo
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- CN203015194U CN203015194U CN2012206167584U CN201220616758U CN203015194U CN 203015194 U CN203015194 U CN 203015194U CN 2012206167584 U CN2012206167584 U CN 2012206167584U CN 201220616758 U CN201220616758 U CN 201220616758U CN 203015194 U CN203015194 U CN 203015194U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses an LED lamp drive power supply based on a power line carrier. The LED lamp drive power supply based on the power line carrier comprises a drive power supply module, a sampling module, a lamp control module and a power line carrier module. The lamp control module judges whether electrical parameters and environmental parameters are in the normal range, wherein the electrical parameters and the environmental parameters are sampled by the sampling module. If the electrical parameters and the environmental parameters are not in the normal range, an abnormal alarm is given, and the output voltage of the drive power supply module is controlled to control the lamp to stop working. If the electrical parameters and the environmental parameters are in the normal range, the drive power supply module is controlled to output normal voltage to control the lamp to normally work, and a control signal of the power line carrier module is received. The control signal of the power line carrier module is used for controlling the working state of the lamp control module. The power line carrier module monitors the working state of the lamp control module.
Description
Technical field
The utility model relates to the light fixture control technology, particularly relates to the LED light fixture driving power based on power line carrier.
Background technology
Obvious due to LED illumination environmental protection, power savings advantages, various countries are just actively promoting the LED illumination plan at present.The LED streetlamp driving power supply is one of key component that consists of by the LED street lamp.LED streetlamp driving power supply of a LED street lamp configuration.Along with the rise of LED illumination, be increasingly strong to the dimming energy-saving of LED street lamp and the demand of intelligent management.Compare with traditional lighting technology, LED illumination has reached to a certain degree energy-conservation.But common LED driving power can't be regulated the LED lamp brightness, can't carry out as required brightness of illumination and control.Especially at dead of night in the situation without pedestrian and vehicle, street lamp is also pressed normal brightness in illumination.Both waste electric energy, also affected the street lamp life-span; And in the tunnel street lighting, whether the car process being arranged, brightness causes great waste as usual.
Traditional LED driving power does not possess the street lamp condition monitoring simultaneously, and artificial inspection pattern is mainly adopted in existing lighting installation management work.Not only workload is large, also waste of manpower, material resources, financial resources.Fault reports the complaint with citizen according to being mainly derived from the tour personnel, lacks initiative, promptness and reliability, can not monitor in real time, accurately, all sidedly the street lamp operation conditions of whole city, lacks effective fault pre-alarming mechanism.
The mode of turning off the light falls behind, and current street lamp is controlled, and also rests on manual, light-operated, clock mode.Affected by season, weather and artificial factor, whether automatic management level is low, does not work when often this is bright, or not when this goes out, and very easily causes energy waste, has increased financial burden.Scarce capacity is controlled in adjusting: can't the remotely modifying switch lamp time, can not in time during the school and the switch lamp time of modification, be not suitable with present diversified management expectancy according to actual conditions (change in weather, major event, red-letter day).
The utility model content
Based on this, provide a kind of Real Time Monitoring, intelligentized LED light fixture driving power based on power line carrier.
A kind of LED light fixture driving power based on power line carrier comprises driving power module, sampling module, lamp control module and power line carrier module; Described driving power module is used for being connected with electrical network with light fixture, described sampling module be connected lamp control module and be connected with described driving power module simultaneously, described sampling module is connected with described lamp control module, described lamp control module is connected with described power line carrier module, and described power line carrier module also is used for being connected with electrical network;
Described driving power module is used for providing power supply to light fixture;
Described sampling module is used for sampling electrical quantity and the environmental parameter of described driving power module, and described electrical quantity and environmental parameter are transferred to described lamp control module;
Described lamp control module according to the output voltage of the electrical quantity of described sampling module sampling and environment parameter control driving power module to control the operating state of light fixture;
Described power line carrier module is used for the carrier signal of electrical network output is carried out modulation and demodulation, and controls the operating state of lamp control module according to the carrier signal that receives;
Wherein, described lamp control module judges that the electrical quantity of described sampling module sampling and environmental parameter whether in normal range (NR), if not, send abnormality alarm, and the output voltage of controlling described driving power module quits work to control light fixture; If, control described driving power module output normal voltage to control the light fixture normal operation, receive simultaneously the control signal of described power line carrier module, the control signal of described power line carrier module is used for controlling the operating state of described lamp control module, and described power line carrier module is also monitored the operating state of described lamp control module.
In embodiment, described driving power module comprises power factor correction module, power conversion module, feedback comparison module and constant current/constant voltage circuit module therein; Described power factor correction module is used for being connected with electrical network, described power factor correction module also is connected with described power conversion module, described power conversion module simultaneously with described feedback comparison module be connected the constant current/constant voltage circuit module and be connected, described feedback comparison module also is connected with described constant current/constant voltage circuit module;
Described power factor correction module is used for adjusting the waveform of input current, and the phase difference of current/voltage is compensated, and keeps input current and input voltage homophase;
Described power conversion module is used for the DC power supply that power factor is high and is transformed in check specified high frequency square wave pulse voltage;
Described constant current/constant voltage circuit module is used for exporting constant electric current and constant voltage;
Described feedback comparison module is used for the output signal output feedback signal according to the constant current/constant voltage circuit module, controls the duty ratio of described power conversion module.
In embodiment, described power conversion module comprises electronic switch and high frequency transformer therein, and described electronic switch is by adjusting the size of switching signal Duty ratio control output current.
Therein in embodiment, also comprise the power line carrier coupling module, described power line carrier coupling module is used for being connected with electrical network, described power line carrier coupling module also is connected with described power line carrier module, and described power line carrier coupling module is used for the isolated high-voltage electrical network and power line carrier modulation signal or power line carrier restituted signal are coupled to electrical network or power line carrier module.
In embodiment, also comprise accessory power supply therein, described accessory power supply is connected with described power line carrier module, and described accessory power supply is used for to described power line carrier module power supply.
Therein in embodiment, described power line carrier module also is used for receiving timing or the real time control command that electrical network is coupled into, described power line carrier module sends to described lamp control module with control command, described lamp control module is controlled the output voltage of described driving power module according to described control command, described lamp control module will feed back to according to the practice condition of described control command described power line carrier module.
In embodiment, described electrical quantity comprises electric current, voltage, power and power factor therein.
In embodiment, described environmental parameter comprises temperature and humidity therein.
Therein in embodiment, the output voltage of described lamp control module by controlling described driving power module is to control lighting, extinguish and brightness of described light fixture.
Above-mentioned LED light fixture driving power based on power line carrier is controlled the output voltage of driving power module by lamp control module, to control lighting, extinguish and brightness of LED light fixture.Simultaneously, power line carrier module is further controlled lamp control module, it is the operating state that power line carrier module is controlled lamp control module, read simultaneously electrical quantity and the environmental parameter of sampling module transmission, and the operating state of monitoring lamp control module, with input electrical quantity and the environmental parameter of realization monitoring light fixture, thereby control more accurately lamp control module to the state of a control of light fixture, and then realize the intellectuality of LED light fixture driving power is controlled.
Description of drawings
Fig. 1 is the module map based on the LED light fixture driving power of power line carrier.
Embodiment
As shown in Figure 1, be the module map based on the LED light fixture driving power of power line carrier.A kind of LED light fixture driving power based on power line carrier comprises driving power module 10, sampling module 20, lamp control module 30 and power line carrier module 40.Driving power module 10 is used for being connected with electrical network with light fixture, sampling module 20 is connected with lamp control module and is connected with driving power module 10 simultaneously, sampling module 20 is connected with lamp control module 30, lamp control module 30 is connected with power line carrier module 40, and power line carrier module 40 also is used for being connected with electrical network.
Driving power module 10 is used for providing power supply to light fixture.
Sampling module 20 is used for electrical quantity and the environmental parameter of sampling driving power module 10, and electrical quantity and environmental parameter are transferred to lamp control module 30.
Lamp control module 30 according to the output voltage of the electrical quantity of sampling module 20 sampling and environment parameter control driving power module 10 to control the operating state of light fixture.
Power line carrier module 40 is used for the carrier signal of electrical network output is carried out modulation and demodulation, and controls the operating state of lamp control module 30 according to the carrier signal that receives.
Wherein, lamp control module 30 judges that the electrical quantity of sampling module 20 sampling and environmental parameter whether in normal range (NR), if not, send abnormality alarm, and the output voltage of controlling driving power module 10 quits work to control light fixture; If, control driving power module 10 output normal voltages to control the light fixture normal operation, receive simultaneously the control signal of power line carrier module 40, the control signal of power line carrier module 40 be used for to be controlled the operating state of lamp control module 30, and power line carrier module 40 is also monitored the operating state of lamp control module 30.
The LED light fixture is had relatively high expectations to driving power, for example, and to lamp light-regulating a plurality of constant output current values of demand motive power supply output.Lighting and extinguishing, general access and the disconnection of adopting the driving power of controlling the LED light fixture for the LED light fixture of controlling outdoor application.
Driving power module 10 comprises power factor correction module 102, power conversion module 104, feedback comparison module 106 and constant current/constant voltage circuit module 108; Power factor correction module 102 is used for being connected with electrical network, power factor correction module 102 also is connected with power conversion module 104, power conversion module 104 is connected with the constant current/constant voltage circuit module with feedback comparison module 106 simultaneously and is connected, feeds back comparison module 106 and also is connected with constant current/constant voltage circuit module 108.Wherein, power conversion module 104 is connected with lamp control module 30, and constant current/constant voltage circuit module 108 is connected with sampling module 20.
In alternating current circuit, the cosine of the phase difference between voltage and electric current (Φ) is called power factor, represents with symbol cos Φ, and numerically, power factor is the ratio of active power and apparent power, i.e. cos Φ=P/S.The size of power factor is relevant with the load character of circuit, and the power factor of loading as incandescent lamp bulb, resistance furnace constant resistance is 1, generally has the circuit power factor of inductive load all less than 1.Power factor is an important technical data of electric power system.Power factor is to weigh a coefficient of electric equipment efficiency.Power factor is low, illustrates that circuit is large for the reactive power of alternating magnetic field conversion, thereby has reduced the utilance of equipment, has increased the line powering loss.So power supply department has certain standard-required to the power factor with electric unit.
Power factor correction module 102 is used for adjusting the waveform of input current, and the phase difference of current/voltage is compensated, and keeps input current and input voltage homophase.
Power conversion module 104 is used for the DC power supply that power factor is high and is transformed in check specified high frequency square wave pulse voltage.
Constant current/constant voltage circuit module 108 is used for exporting constant electric current and constant voltage;
The output signal output feedback signal that feedback comparison module 106 is used for according to constant current/constant voltage circuit module 108, the duty ratio of power ratio control modular converter 104.
Power conversion module 104 comprises electronic switch and high frequency transformer, and electronic switch is by adjusting the size of switching signal Duty ratio control output current.
The operation principle of driving power module 10 is particularly: the waveform of the input current of 102 pairs of electrical networks of power factor correction module is adjusted, simultaneously the phase place of current/voltage compensated, thereby reach higher power factor, keep input current and input voltage homophase.Input current and the input voltage proofreaied and correct via power factor correction module 102 are input to power conversion module 104.Power conversion module 104 comprises electronic switch and high frequency transformer, and the power number of changing module 104 is used for direct voltage is converted to the high frequency square wave pulse voltage of the in check LED of meeting light fixture requirement.Constant current/constant voltage circuit module 108 adopts the first voltage stabilizing mode of constant current again, for the LED light fixture provides the constant current input.For adapting to the load needs, voltage will guarantee within the specific limits, by using constant current/constant voltage circuit module 108 regulation output voltage and currents, makes output voltage and current stabilization to reach the driving requirement of LED light fixture.
In practice, the output of constant current/constant voltage circuit module 108 generally deviation can occur under the impact of environment factor and system's factor, therefore, increased feedback comparison module 106 between constant current/constant voltage circuit module 108 and power conversion module 104, be used for proofreading and correct the output of constant current/constant voltage circuit module 108, make the output voltage of constant current/constant voltage circuit module 108 and electric current more accurately stable.
Sampling module 20 is used for the output of sampling driving power module 10, is specially output voltage, electric current, power, power factor and the temperature etc. of sampling driving power module 10.
Lamp control module 30 is controlled the operating state of light fixture according to the sampled result of sampling module 20.For example, when the magnitude of voltage of the sampling module 20 sampling normal working voltage far above light fixture, this moment, the overvoltage anomaly appearred in light fixture, lamp control module 30 controls that driving power modules 10 reduce output voltage so that the normal operation of LED light fixture, or direct controlling and driving power module 10 not output voltage the LED light fixture is extinguished.
Power line carrier module 40 receives the carrier signal that electrical network sends, and carrier signal is sent to lamp control module 30, changes the operating state of lamp control module 30.Particularly, the carrier signal of 40 pairs of receptions of power line carrier module according to the demodulation of electric line carrier communication after the recombination data bag, and with Packet Generation to lamp control module 30, wherein packet is control command.Lamp control module 30 is carried out interrupt routine after receiving the control command of power line carrier module 40, and the control procedure before namely interrupting is controlled the operating state of LED light fixture this moment according to the control command that receives.Namely receive by power line carrier module 40 real-time the or timing coutrol instruction that electrical network is coupled into, lamp control module 30 is controlled driving power module 10 and LED light fixture according to real-time or timing coutrol instruction.The state that while lamp control module 30 will be carried out control command returns to power line carrier module 40.
LED light fixture driving power based on power line carrier also comprises accessory power supply 50, and accessory power supply 50 is connected with power line carrier module 40, and accessory power supply 50 is used for to power line carrier module 40 power supplies.
LED light fixture driving power based on power line carrier also comprises power line carrier coupling module 60, power line carrier coupling module 60 is used for being connected with electrical network, power line carrier coupling module 60 also is connected with power line carrier module 40, and power line carrier coupling module 60 is used for the isolated high-voltage electrical network and power line carrier modulation signal or power line carrier restituted signal are coupled to electrical network or power line carrier module 40.
Power line carrier module 40 also is used for receiving timing or the real time control command that electrical network is coupled into, power line carrier module 40 sends to lamp control module 30 with control command, lamp control module 30 is controlled the output voltage of driving power module 10 according to control command, lamp control module 30 will feed back to according to the practice condition of control command power line carrier module 40.
Electrical quantity comprises electric current, voltage, power and power factor.
Environmental parameter comprises temperature and humidity.
Output voltage the lighting, extinguish and brightness with control light fixture of lamp control module 30 by controlling driving power module 10.
Above-mentioned LED light fixture driving power based on power line carrier is controlled the output voltage of driving power module 10 by lamp control module 30, to control lighting, extinguish and brightness of LED light fixture.Simultaneously, 40 pairs of lamp control module 30 of power line carrier module are further controlled, it is the operating state that power line carrier module 40 is controlled lamp control module 30, read simultaneously electrical quantity and the environmental parameter of sampling module 20 transmission, and the operating state of monitoring lamp control module 30, monitor input electrical quantity and the environmental parameter of light fixture with realization, thereby control more accurately the state of a control of 30 pairs of light fixtures of lamp control module, and then realize the intellectuality of LED light fixture is controlled.
Above-mentioned LED light fixture driving power based on power line carrier possesses Real Time Monitoring and remote monitoring ability, can realize by Long-distance Control the operations such as switch, light modulation of driving power module 10, wherein light modulation is the adjusting of size to realize being in the light that changes output current more.And the LED light fixture driving power based on power line carrier possesses perfect grouping, time control function, can reach the effect of secondary energy-saving.Because power line carrier technology itself is to occupy electrical network, a line is dual-purpose, need not wiring, cheap, easy construction.Based on this, adopt power line carrier module 40 to realize Based Intelligent Control to the LED light fixture by sending controling instruction.Sampling module 20 can Real-time Collection driving power module 10 every electrical quantity and environmental parameter, for example, electric current, voltage, power and power factor etc.By the collection of the working condition indexs such as these electrical quantitys, can know the operating state that analyzes driving power module 10, as situations such as overvoltage, under-voltage, overload, underload and damages.The sampled result that lamp control module 30 judgement sampling modules 20 send; if not in normal range (NR), send abnormality alarm, can in time send early warning for the fault of system; and start corresponding protection mechanism according to fault state, guarantee the use safety of driving power module 10.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (9)
1. the LED light fixture driving power based on power line carrier, is characterized in that, comprises driving power module, sampling module, lamp control module and power line carrier module; Described driving power module is used for being connected with electrical network with light fixture, described sampling module be connected lamp control module and be connected with described driving power module simultaneously, described sampling module is connected with described lamp control module, described lamp control module is connected with described power line carrier module, and described power line carrier module also is used for being connected with electrical network;
Described driving power module is used for providing power supply to light fixture;
Described sampling module is used for sampling electrical quantity and the environmental parameter of described driving power module, and described electrical quantity and environmental parameter are transferred to described lamp control module;
Described lamp control module according to the output voltage of the electrical quantity of described sampling module sampling and environment parameter control driving power module to control the operating state of light fixture;
Described power line carrier module is used for the carrier signal of electrical network output is carried out modulation and demodulation, and controls the operating state of lamp control module according to the carrier signal that receives;
Wherein, described lamp control module judges that the electrical quantity of described sampling module sampling and environmental parameter whether in normal range (NR), if not, send abnormality alarm, and the output voltage of controlling described driving power module quits work to control light fixture; If, control described driving power module output normal voltage to control the light fixture normal operation, receive simultaneously the control signal of described power line carrier module, the control signal of described power line carrier module is used for controlling the operating state of described lamp control module, and described power line carrier module is also monitored the operating state of described lamp control module.
2. the LED light fixture driving power based on power line carrier according to claim 1, is characterized in that, described driving power module comprises power factor correction module, power conversion module, feedback comparison module and constant current/constant voltage circuit module; Described power factor correction module is used for being connected with electrical network, described power factor correction module also is connected with described power conversion module, described power conversion module simultaneously with described feedback comparison module be connected the constant current/constant voltage circuit module and be connected, described feedback comparison module also is connected with described constant current/constant voltage circuit module;
Described power factor correction module is used for adjusting the waveform of input current, and the phase difference of current/voltage is compensated, and keeps input current and input voltage homophase;
Described power conversion module is used for the DC power supply that power factor is high and is transformed in check specified high frequency square wave pulse voltage;
Described constant current/constant voltage circuit module is used for exporting constant electric current and constant voltage;
Described feedback comparison module is used for the output signal output feedback signal according to the constant current/constant voltage circuit module, controls the duty ratio of described power conversion module.
3. the LED light fixture driving power based on power line carrier according to claim 2, is characterized in that, described power conversion module comprises electronic switch and high frequency transformer, and described electronic switch is by adjusting the size of switching signal Duty ratio control output current.
4. the LED light fixture driving power based on power line carrier according to claim 1, it is characterized in that, also comprise the power line carrier coupling module, described power line carrier coupling module is used for being connected with electrical network, described power line carrier coupling module also is connected with described power line carrier module, and described power line carrier coupling module is used for the isolated high-voltage electrical network and power line carrier modulation signal or power line carrier restituted signal are coupled to electrical network or power line carrier module.
5. the LED light fixture driving power based on power line carrier according to claim 1, is characterized in that, also comprise accessory power supply, described accessory power supply is connected with described power line carrier module, and described accessory power supply is used for to described power line carrier module power supply.
6. the LED light fixture driving power based on power line carrier according to claim 1, it is characterized in that, described power line carrier module also is used for receiving timing or the real time control command that electrical network is coupled into, described power line carrier module sends to described lamp control module with control command, described lamp control module is controlled the output voltage of described driving power module according to described control command, described lamp control module will feed back to according to the practice condition of described control command described power line carrier module.
7. the described LED light fixture driving power based on power line carrier of according to claim 1-6 any one, is characterized in that, described electrical quantity comprises electric current, voltage, power and power factor.
8. the described LED light fixture driving power based on power line carrier of according to claim 1-6 any one, is characterized in that, described environmental parameter comprises temperature and humidity.
9. the described LED light fixture driving power based on power line carrier of according to claim 1-6 any one, is characterized in that, the output voltage of described lamp control module by controlling described driving power module is to control lighting, extinguish and brightness of described light fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206167584U CN203015194U (en) | 2012-11-20 | 2012-11-20 | LED lamp drive power supply based on power line carrier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206167584U CN203015194U (en) | 2012-11-20 | 2012-11-20 | LED lamp drive power supply based on power line carrier |
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| CN203015194U true CN203015194U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012206167584U Expired - Lifetime CN203015194U (en) | 2012-11-20 | 2012-11-20 | LED lamp drive power supply based on power line carrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024997A (en) * | 2012-11-20 | 2013-04-03 | 深圳华智测控技术有限公司 | LED (Light Emitting Diode) lamp drive power based on power line carrier |
-
2012
- 2012-11-20 CN CN2012206167584U patent/CN203015194U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024997A (en) * | 2012-11-20 | 2013-04-03 | 深圳华智测控技术有限公司 | LED (Light Emitting Diode) lamp drive power based on power line carrier |
| CN103024997B (en) * | 2012-11-20 | 2016-01-20 | 深圳华智测控技术有限公司 | Based on the LED lamp driving power of power line carrier |
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Effective date of registration: 20151030 Address after: 510507, two, building 200, 227 Tai Sha South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Ya Dong Energy Saving Technology Co.,Ltd. Address before: 518057, Shenzhen, Nanshan District hi tech Zone, Guangdong, South District, Shenzhen Hong Kong University research base W408 Patentee before: SHENZHEN CHINAWISEST MEASUREMENT CONTROL TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20160107 Address after: 518057, Shenzhen, Nanshan District hi tech Zone, Guangdong, South District, Shenzhen Hong Kong University research base W408 Patentee after: SHENZHEN CHINAWISEST MEASUREMENT CONTROL TECHNOLOGY CO.,LTD. Address before: 510507, two, building 200, 227 Tai Sha South Road, Guangzhou, Guangdong, Tianhe District Patentee before: Guangzhou Ya Dong Energy Saving Technology Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
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| CX01 | Expiry of patent term |