CN106170159A - There is the emergency lighting drive system of allocation unit - Google Patents
There is the emergency lighting drive system of allocation unit Download PDFInfo
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- CN106170159A CN106170159A CN201610008806.4A CN201610008806A CN106170159A CN 106170159 A CN106170159 A CN 106170159A CN 201610008806 A CN201610008806 A CN 201610008806A CN 106170159 A CN106170159 A CN 106170159A
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- 230000005611 electricity Effects 0.000 claims description 6
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- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000009429 distress Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- General Engineering & Computer Science (AREA)
Abstract
The emergency lighting drive system with allocation unit of the present invention includes: emergency lighting device, has and doubles as sensing lamp and the single illuminating lamp of emergency light and human body sensor；Switch, is connected with common source line, normal power source line and emergency power supply line and respectively for switching normal power source and emergency power supply；Allocation unit, including normal power source dispenser and emergency power supply dispenser；And fire conditions relay, when a fire, carry out work according to the conversion signal of fire detector, and put into relay main contact.According to the present invention, emergency lighting device can be doubled as emergency light and sensor by single illuminating lamp, setup fee and manpower expense can be greatly decreased, and when a fire, in the case of normal power source is normal, no matter whether the work of human body sensor, the emergency light of all layers can be made to light.
Description
Technical field
The present invention relates to receive the supply of normal power source and emergency power supply to drive the emergency lighting drivetrain of emergency lighting
System, in more detail, relates to the emergency lighting drive system with allocation unit, and above-mentioned allocation unit can connect emergency lighting device
With three lines, distribute and supply normal power source and emergency power supply.
Background technology
Generally, be provided with in apartment or the elevator hall of building or stair by people close to and the sensing lamp of bright light, and
The bright light guide the emergency light of distress personnel safe escape when there is the case of emergency such as power failure.But, it is being independently arranged sensing
In the case of lamp and emergency light, required operating expenses is many, and cannot realize effective utilization in space, to this, public recently
Open and sensing lamp and the emergency lighting device of emergency light have been installed in an illuminator.
Such as, the emergency light driving means doubling as illuminating lamp of the open utility model the 20-2010-0007750th of Korea S,
Switch over when supplying normal alternating current power supply so that apply alternating current power supply to mobile detection sensor, and detected by mobile
Sensor makes light emitting diode (LED) illuminating lamp bright light, when having a power failure, supplies by emergency power supply to direct-current power supply portion
The emergency power supply that portion applies, and directly made LED illumination lamp bright light by direct-current power supply portion, thus by single photograph
Bright device doubles as emergency light and sensing lamp.This emergency lighting device has can reduce manufacturing cost, and when can reduce construction
The effect of manpower expense.
But, in the case of building breaking out of fire, there is the situation being still fed with normal power source.In this situation
Under, emergency power supply is in dissengaged positions, thus supplies normal power source to emergency lighting device, and according to above-mentioned existing document, this
Time emergency lighting device as sensing lamp work.Therefore, emergency lighting device mobile detection sensing before people is close
The detection signal of device, thus the illuminating lamp of light emitting diode is in light-off state.In the case, because of breaking out of fire produced time
Coal smoke and be difficult to find that passage, thus distress personnel cannot be withdrawn safely, eventually results in casualties.
On the other hand, it is developed recently following emergency lighting drive system: under the emergency condition such as fire, though normally electricity
Source yet suffers from, it is possible to make emergency light bright light.Fig. 1 is exemplified with existing emergency lighting drive system.
As shown in the right side of Fig. 1, each layer in elevator hall or be provided with emergency lighting device 180,190 at each floor ladder.Respectively
Emergency lighting device 180,190 has sensing lamp 183,193 and emergency light 185,195.As it can be seen, sensing lamp 183,193 is borrowed
Help others the switching of body induction sensor 181,191 and bright light.Human body sensor 181,191 is as connecing by detection human body
Recently switching, towards the element of the power supply of sensing lamp 183,193, in the example illustrated, is described with switch topology, but
Can be made up of contactless mode.
Hereinafter, in multiple emergency lighting devices 180,190, say as a example by the emergency lighting device 180 of datum layer
Bright, and be suitable in the same manner other all layers be applicable to relevant explanation of circuit of the emergency lighting device 180 of datum layer.
Sensing lamp 183 receives the power supply supplied by normal power source 150, and emergency light receives the electricity supplied by emergency power supply 160
Source.On the other hand, the input of normal power source 150 and the input of emergency power supply 160 be respectively equipped with protective breaker 155,
165。
Now, as it is shown in figure 1, be provided with fire hazard monitoring dish 100.Fire hazard monitoring dish 100 includes that battery (BAT) 110 is with above-mentioned
Battery 110 series connection fire detector (Fs) 120 and relay (Ry) 130 and by relay main contact (Rs) 135 put into electricity
The magnetic switch (MC) 140 in source.
In the case of fire detector 120 works, by relay 130 magnetropism switch 140 input power supply, and on the right side
In the circuit diagram of side, put into magnetic switch main contact (MCa) 145.Further, normal power source 150 is connected with emergency light 185 immediately
Connect.Therefore, even under breaking out of fire, and the state cutting off emergency power supply 160 because there is normal power source 150, it is possible to
Make emergency light 185 bright light of all layers.
But, according to the emergency lighting drive system of Fig. 1, when utilizing normal power source 150 to make emergency light 185 bright light, no
Whether the work of opinion human body sensor 181, and in order to keep lighting lamp state, above-mentioned emergency lighting drive system is provided independently from
Sensing lamp 183 and emergency light 185.Further, as it can be seen, be totally four power lines by the distribution of each layer, i.e. from normal the most electric
Two power lines 171,172 in source 150 and two power lines 173,174 from emergency power supply 160.
That is, the existing problems in the open utility model the 20-2010-0007750th of Korea S as above are solved, but
It is, however it remains light fixture, distribution increase the problem increased with manufacturing cost, human cost.
Prior art literature
Patent documentation
The open utility model the 20-2010-0007750th of Korea S
Summary of the invention
The present invention is to propose, its purpose to solve problem present in above-mentioned existing emergency lighting drive system
It is to provide the emergency lighting drive system with allocation unit, utilizes allocation unit reasonable distribution normal power source and answer urgent telegram
Source, thus, by arranging single electric light on single emergency lighting device, is possible not only to double as emergency light and sensing lamp,
And the distribution of each layer can be reduced, and reduce manufacturing cost and manpower expense, and when a fire, there is normal power source
In the case of, the emergency light bright light of all layers can be made, thus realize safety.
The emergency lighting drive system with allocation unit of one embodiment of the invention, above-mentioned emergency lighting drive system is used
In driving emergency lighting device, the above-mentioned emergency lighting drive system with allocation unit includes: emergency lighting device, has double
Make sensing lamp and the single illuminating lamp of emergency light and the human body sensor connected with above-mentioned illuminating lamp；Switch, respectively with
Three power lines are connected and for switching normal power source and emergency power supply, and above three power line is above-mentioned illuminating lamp side
Common source line (CL), the normal power source line AL of above-mentioned human body sensor opposite side and from above-mentioned illuminating lamp and human body sensing
The emergency power supply line (EL) of the contact differentiation of sensor；Allocation unit, including normal power source dispenser and emergency power supply dispenser,
Above-mentioned normal power source dispenser is used for switching above-mentioned switch so that when supply above-mentioned normal power source time, by above-mentioned normal power source with
Above-mentioned common source line (CL), above-mentioned normal power source line (AL) are connected, and above-mentioned emergency power supply dispenser is used for switching above-mentioned opening
Close so that when cutting off above-mentioned normal power source, by above-mentioned emergency power supply and above-mentioned common source line (CL), above-mentioned emergency power supply line
(CL) it is connected；And fire conditions relay (Ry), when a fire, according to the conversion signal of fire detector (Fs)
Work, and put into relay main contact (Rs) so that above-mentioned normal power source line (AL) and above-mentioned emergency power supply line (EL) are closed circuit.
The emergency lighting drive system with allocation unit according to yet another embodiment of the invention, above-mentioned normal power source distributes
Portion includes: the first photo-coupler (PC1), is connected with above-mentioned normal power source, and when putting into normal power source；Output conversion letter
Number, comparator (U1), when exporting the conversion signal of above-mentioned first photo-coupler (PC1), output low level signal；And second
Photo-coupler (PC2), accesses between outfan and the ground connection of above-mentioned comparator (U1), and above-mentioned emergency power supply dispenser includes: straight
Stream power supply unit, for from above-mentioned emergency power supply producing element driving DC source；Second photo-coupler converter section, with above-mentioned
Two photo-couplers (PC2) are connected, and export conversion signal, emergency power supply converter section (Q1), when above-mentioned second photo-coupler
(PC2), during work, above-mentioned emergency power supply is made to turn on；And power supply switching relay, turning on above-mentioned emergency power supply converter section
(Q1) work time, and switch above-mentioned switch.
There is the emergency lighting drive system of allocation unit according to another embodiment of the present invention, also include isoelectric level circuit
Portion, above-mentioned isoelectric level circuit part be connected to the outfan side of above-mentioned emergency power supply dispenser and above-mentioned normal power source line (AL) it
Between, when above-mentioned switch is switched to above-mentioned emergency power supply, above-mentioned isoelectric level circuit part is in parallel with above-mentioned human body sensor, and
Isoelectric level is formed in above-mentioned human body sensor two ends.
According to the emergency lighting drive system with allocation unit of a further embodiment of the present invention, above-mentioned switch is for being arranged at
The internally-arranged type switch of the inside of the housing of above-mentioned allocation unit is installed.
According to the emergency lighting drive system with allocation unit of further embodiment of this invention, above-mentioned switch is for being arranged at
The externally positioned type switch of the outside of the housing of above-mentioned allocation unit is installed.
According to the emergency lighting drive system with allocation unit of the present invention, emergency lighting device can be by single illumination
Lamp doubles as emergency light and sensor, and utilizes allocation unit, can be reduced by the wiring number that be routed at elevator hall or each floor ladder
To three power lines (CL, AL, EL), thus, setup fee and manpower expense can be greatly decreased, and when a fire,
In the case of normal power source is normal, no matter the work of human body sensor whether, can make the emergency light of all layers light.
Accompanying drawing explanation
Fig. 1 is the circuit diagram illustrating existing emergency lighting drive system.
Fig. 2 is the circuit diagram of the emergency lighting drive system illustrating the present invention.
Fig. 3 is the circuit diagram illustrating the circuit structure of allocation unit in the present invention.
The explanation of reference
200: fire hazard monitoring dish 210: battery
220: fire detector 230: fire conditions relay
235: relay main contact 250: normal power source
255: chopper 260: emergency power supply
265: chopper 280: the first emergency lighting device
282: the first illuminating lamps 284: the first body induction sensor
290: the second emergency lighting device 292: the second illuminating lamps
294: the second human body sensors 300: allocation unit
312: the first switches 314: second switch
316: the three switches 400: normal power source dispenser
410: power supply indicator 420: the first photo-coupler
430: comparator 440: the second photo-coupler
500: emergency power supply dispenser 510: DC power portion
520: power supply switching relay 530: emergency power supply converter section
540: the second photo-coupler converter sections 600: isoelectric level circuit part
610: common source line 620: normal power source line
630: emergency power supply line
Detailed description of the invention
Hereinafter, referring to the drawings the specific embodiment of the present invention is illustrated, but, the present invention is not limited to specifically
Embodiment, it should be appreciated that the present invention includes all changes of thought and the technical scope belonging to the present invention, equivalent technologies
Scheme and replacement technical scheme.
Fig. 2 is the circuit diagram of the emergency lighting drive system illustrating the present invention.With reference to Fig. 2, at each layer or each of elevator layer
Floor ladder is provided with emergency lighting device 280,290.Each emergency lighting device 280,290 includes doubling as sensing lamp and emergency light
Single illuminating lamp 282,292 and the human body sensor 284,294 connected with each illuminator 282,292.Human body sensing
Sensor 284,294 is as by the close element exporting conversion signal of detection human body, with switch topology in exemplified
It is described, however, it is possible to be made up of contactless mode.Such as, human body sensor 284,294 is as frequency resonance
The detecting elements such as formula, condenser type, magnetic-type, close by detection human body exports contactless or has the conversion of contact mode to believe
Number.
Hereinafter, in multiple emergency lighting devices 280,290, the emergency lighting device 280 enumerating datum layer is said
Bright, and the relevant explanation of circuit being applicable to the emergency lighting device 280 of datum layer, it is suitable in the same manner in other all layers.
As it can be seen, have three power lines (CL, AL, EL) in the wiring of each layer.The electricity being connected with the side of illuminating lamp 282
Source line is common source line (CL) 610, and the power line being connected with the opposite side of human body sensor 284 is normal power source line
(AL) 620, from the power line of the contact differentiation that the opposite side of illuminating lamp 282 is connected with the side of human body sensor 284
For emergency power supply line (EL) 630.
Normal power source 250, as the power supply of normal supply, just supplies via chopper 255 and to emergency lighting device 280
Often power supply.Emergency power supply 260 is as the power supply being supplied under the cut-off emergency condition of normal power source 250, via chopper
265 and supply emergency power supply to emergency lighting device 280.
Be provided with between normal power source 250 and emergency power supply 260 and emergency lighting device 280 three switches (SA1, SA2,
And allocation unit 300 SA3).In the case, three switches (SA1, SA2, SA3) switch as by the power supply of allocation unit 300
Perform the switch of switch operating with relay (Ra), inside interior being arranged at the housing being provided with allocation unit 300 can be used
Put type structure or be arranged at the externally positioned type structure of outside of the housing being provided with allocation unit 300.Such as, in allocation unit 300
In the emergency lighting drive system that the rated capacity born is big, by switch integrated being provided allocation unit 300, and at volume
In the emergency lighting drive system that constant volume is little, switch is set to externally positioned type, thus can more compactly constitute allocation unit
300。
As it can be seen, when supplying normal power source 250, allocation unit 300 switches the first switch 312 to the left and opens to the 3rd
Closing 316, the side of normal power source 250 is connected with common source line 610 by the first switch 312, and normal power source 250
Opposite side is connected with normal power source line 620 by the 3rd switch 316.Thus, by normal power source 250, emergency lighting device
280 are operated.In the case, emergency lighting device 280 is bright as the conversion signal according to human body sensor 284
The sensing lamp of lamp and play a role.
Further, in the case of normal power source 250 is cut-off, allocation unit 300 switch first to the right and switchs 312 to the
Three switches 316, the side of emergency power supply 260 is connected with common source line 610 by the first switch 312, and emergency power supply
The opposite side of 260 is connected with emergency power supply line 630 by second switch 314.Thus, by emergency power supply 260, emergency lighting
Device 280 is operated.Now, emergency lighting device 280 is bright as independently continuing with the work of human body sensor 284
The emergency light of lamp and play a role.
On the other hand, according to the emergency lighting drive system of the present invention, although fire detected, but at normal power source just
In the case of Chang, emergency light bright light can be made by normal power source.
As shown in the left side of fig 2, fire hazard monitoring dish 200 it is provided with.Fire hazard monitoring dish 200 includes: battery (BAT) 210；Fire
Detector (Fs) 220, connects with above-mentioned battery 210；And fire conditions relay (Ry) 230.
In the case of fire detector 220 works, put into the power supply of battery 210, fire to fire conditions relay 230
Situation relay 230 is magnetized and puts into relay main contact (Rs) 235.As it can be seen, relay main contact 235 opening and closing is normal
Power line 620 and the connection of emergency power supply line 630.Put in the case of relay main contact 235, normal power source 250 another
Side is connected along the 3rd switch 316, normal power source line 620 and emergency power supply line 630 with emergency lighting device 280.Now,
The opposite side of normal power source 250 is connected with the contact of illuminating lamp 282 and human body sensor 284, from regardless of whether human body sense
Whether the work of induction sensor 284, all may utilize normal power source 250 and makes illuminating lamp 282 bright light.
That is, in breaking out of fire, and in the case of there is normal power source and emergency power supply cannot being switched to, no matter people's body-sensing
Whether the work of induction sensor 284, all can make emergency lighting device 280,290 bright light of all layers.
Fig. 3 is the circuit diagram illustrating the circuit structure of allocation unit in the present invention, exemplified with in fig. 2 with reference
The circuit structure of 310 dotted box portion represented.With reference to Fig. 3, allocation unit 300 includes normal power source dispenser 400 and meets an urgent need
Power distribution portion 500.
Normal power source dispenser 400 includes: the first photo-coupler (PC1) 420, is connected with normal power source 250, and is throwing
When entering normal power source 250, output conversion signal；Comparator (U1) 430, when exporting the conversion signal of the first photo-coupler 420,
Output low level signal；And second photo-coupler (PC2) 440, access between outfan and the ground connection of comparator 430.
Specifically, normal power source 250 is connected with resistance R1, power supply indicator (LED) 410 and the first photo-coupler 420.Electricity
Source display lamp 410, as representing the element that normal power source 250 is in the conduction state, is made up of light emitting diode (LED).The
One photo-coupler 420 is as phototransistor, and when supplying normal power source, transistor performs contactless conversion work.
Comparator 430 receives the working power supplied by power input part 510, and receives the first photo-coupler from input
420 reverse bias voltages applied.In the presence of normal power source 250, the first photo-coupler 420 is switched on, comparator
Low (low) level signal it is applied with on the input of 430.In the case, the second photo-coupler 440 keeps nonconducting state.
Further, the first switch 312 to the 3rd switch 316 all keeps the contact state towards normal power source 250 side.
Emergency power supply dispenser 500 includes: DC power portion 510, for driving with straight from emergency power supply 260 producing element
Stream power supply；Second photo-coupler converter section 540, is connected with above-mentioned second photo-coupler (PC2) 440, and exports conversion signal；
Power supply switching relay (Ra) 520, the work when turning on emergency power supply converter section 530, and switch the first switch 312 to the 3rd
Switch 316.
Specifically, in the case of normal power source 250 is cut-off, the first photo-coupler 420 is closed (Turn Off), than
Relatively device 430 exports high level signal.Further, along with the second optical coupling being made up of photoelectricity bidirectional triode thyristor (Photo Triac)
Device 440 is opened (Turn On), and the second photo-coupler converter section 540 of emergency power supply dispenser 500 is switched on.Along with emergent
Power convert portion 530 opens work, and opening signal is applied to the grid of the emergency power supply converter section 530 being made up of bidirectional triode thyristor
Extremely son, and power supply switching relay 520 is magnetized, and the first switch 312 to the 3rd switch 316 is transformed into emergency power supply
Side.
In the case, in the emergency lighting drive system of the present invention, answer as it is shown on figure 3, isoelectric level circuit part 600 accesses
Between outfan side and the normal power source line AL of urgent telegram source dispenser 500.When the first switch 312 to the 3rd switch 316 is to answering
During the switching of side, urgent telegram source 260, isoelectric level circuit part 600 is connected in parallel with human body sensor 284, and senses at human body sensing
Device 284 two ends form isoelectric level.Thus, whether implement conversion work, all can keep human body sensor 284 two ends
Isoelectric level, and protect human body sensor 284 not affected by the abnormal voltage of initiation when carrying out conversion work.
Claims (5)
1. having an emergency lighting drive system for allocation unit, above-mentioned emergency lighting drive system is used for driving emergency lighting
Device, the above-mentioned emergency lighting drive system with allocation unit is characterised by, including:
Emergency lighting device, has and doubles as sensing lamp and the single illuminating lamp of emergency light and the human body connected with above-mentioned illuminating lamp
Inductive transducer；
Switch, is connected with three power lines respectively and for switching normal power source and emergency power supply, above three power line is
The common source line of above-mentioned illuminating lamp side, the normal power source line of above-mentioned human body sensor opposite side and from above-mentioned illuminating lamp
The emergency power supply line broken up with the contact of human body sensor；
Allocation unit, including normal power source dispenser and emergency power supply dispenser, above-mentioned normal power source dispenser is for switching
State switch so that when supplying above-mentioned normal power source, by above-mentioned normal power source and above-mentioned common source line, above-mentioned normal power source line
Being connected, above-mentioned emergency power supply dispenser is used for switching above-mentioned switch so that when cutting off above-mentioned normal power source, by above-mentioned emergent
Power supply is connected with above-mentioned common source line, above-mentioned emergency power supply line；And
Fire conditions relay, when a fire, carrys out work according to the conversion signal of fire detector, and puts into relay master
Contact so that above-mentioned normal power source line and above-mentioned emergency power supply line are closed circuit.
The emergency lighting drive system with allocation unit the most according to claim 1, it is characterised in that
Above-mentioned normal power source dispenser includes:
First photo-coupler, is connected with above-mentioned normal power source, and when putting into normal power source, output conversion signal；
Comparator, when exporting the conversion signal of above-mentioned first photo-coupler, output low level signal；And
Second photo-coupler, accesses between outfan and the ground connection of above-mentioned comparator,
Above-mentioned emergency power supply dispenser includes:
DC power portion, for from above-mentioned emergency power supply producing element driving DC source；
Second photo-coupler converter section, is connected with above-mentioned second photo-coupler, and exports conversion signal；
Emergency power supply converter section, when above-mentioned second photo-coupler work, makes above-mentioned emergency power supply turn on, and
Power supply switching relay, the work when turning on above-mentioned emergency power supply converter section, and switch above-mentioned switch.
The emergency lighting drive system with allocation unit the most according to claim 1 and 2, it is characterised in that also include
Isoelectric level circuit part, above-mentioned isoelectric level circuit part is connected to the outfan side of above-mentioned emergency power supply dispenser and above-mentioned normal electricity
Between the line of source, when above-mentioned switch is switched to above-mentioned emergency power supply, above-mentioned isoelectric level circuit part and above-mentioned human body sensor
Parallel connection, and in above-mentioned human body sensor two ends, form isoelectric level.
The emergency lighting drive system with allocation unit the most according to claim 1 and 2, it is characterised in that above-mentioned open
The internally-arranged type closing the inside for being arranged at the housing being provided with above-mentioned allocation unit switchs.
The emergency lighting drive system with allocation unit the most according to claim 1 and 2, it is characterised in that above-mentioned open
The externally positioned type closing the outside for being arranged at the housing being provided with above-mentioned allocation unit switchs.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150070220A KR101545247B1 (en) | 2015-05-20 | 2015-05-20 | Emergency light driving system having distribution unit |
| KR10-2015-0070220 | 2015-05-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106170159A true CN106170159A (en) | 2016-11-30 |
| CN106170159B CN106170159B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610008806.4A Active CN106170159B (en) | 2015-05-20 | 2016-01-07 | Emergency lighting drive system with allocation unit |
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| Country | Link |
|---|---|
| KR (1) | KR101545247B1 (en) |
| CN (1) | CN106170159B (en) |
Cited By (1)
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|---|---|---|---|---|
| CN108121266A (en) * | 2017-12-27 | 2018-06-05 | 扬州市神州科技有限公司 | Radio-frequency power supply analog controller |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101642436B1 (en) * | 2016-04-01 | 2016-07-26 | 에이치제이산전(주) | Emergency power auto supply and control apparatus having a fire alarm |
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| US20030197477A1 (en) * | 2002-04-23 | 2003-10-23 | Chin-Mu Hsieh | Driving circuit for led lamps |
| US20080185978A1 (en) * | 2007-02-06 | 2008-08-07 | Samsung Electronics Co., Ltd. | Light source driving apparatus, display device having the same, and driving method thereof |
| CN202663619U (en) * | 2012-07-10 | 2013-01-09 | 中川电气科技有限公司 | Emergency lighting electric-distribution device |
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| CN108121266A (en) * | 2017-12-27 | 2018-06-05 | 扬州市神州科技有限公司 | Radio-frequency power supply analog controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106170159B (en) | 2017-11-28 |
| KR101545247B1 (en) | 2015-08-19 |
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Effective date of registration: 20240109 Address after: Gyeonggi Do, South Korea Patentee after: HJ Electric Power Co.,Ltd. Address before: Gyeonggi Do, South Korea Patentee before: HJ Electric Power Co.,Ltd. Patentee before: DAEWOO ENGINEERING & CONSTRUCTION CO.,LTD. |