CN201290193Y - Circuit of LED illumination emergent lamp and LED lamp applying the circuit - Google Patents
Circuit of LED illumination emergent lamp and LED lamp applying the circuit Download PDFInfo
- Publication number
- CN201290193Y CN201290193Y CNU2008200845402U CN200820084540U CN201290193Y CN 201290193 Y CN201290193 Y CN 201290193Y CN U2008200845402 U CNU2008200845402 U CN U2008200845402U CN 200820084540 U CN200820084540 U CN 200820084540U CN 201290193 Y CN201290193 Y CN 201290193Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- lamp
- light
- led
- emergency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model provides a circuit for an LED illumination emergency lamp and a LED lamp applying the circuit, and the illumination and emergence circuits are combined into one lamp circuit by the circuit for the LED illumination emergency lamp with a powering-off recognition circuit and the LED illumination emergency lamp applying the circuit of the utility model, therefore, double lamp holders are needed for implementing the same function that the lamp can be operation by a switch like a general lighting lamp and also automatically starts emergency illumination in case of power off. The circuit resolves problems of integration, miniaturization, easy installation, long longevity of secondary battery, long crash time, energy-conservation and environment protection. The circuit of the utility model is connected reasonably, is smart and compact in structure, suitable for applications in environmental lighting, household lighting and industrial production.
Description
Technical field
The utility model relates to a kind of design circuit of emergency light and adopts the lighting apparatus of this circuit, is specifically related to a kind of design circuit of the LED lamp that can throw light on emergent and the LED lamp of this circuit of employing.
Background technology
Along with the continuous progress of rapid economic development, science and technology and society to the improving constantly of environmental protection, energy-conservation requirement, the lighting apparatus that adopts LED to throw light on has also obtained use more and more widely in ambient lighting, industrial production, Landscape Lighting and family use.The Led lighting apparatus has following advantage owing to adopt light-emitting diode as luminous element compared to traditional incandescence and fluorescence:
1, light nothing and postpone, the response time is faster;
2, luminance purity height need not lampshade and filters, and the optical wavelength error is in 10 nanometers;
3, luminous heat is very little, and it is not very high that the thermal endurance of light fixture material is required;
4, lamp holder is small and exquisite, helps reducing the degree of depth of light fixture
5, power consumption is low, and energy consumption is low, and caloric value is little, and when reaching the equal luminosity of conventional bulb, power consumption only is 6% of conventional bulb;
6, extra long life, no filamentray structure does not generate heat.
Because LED has above-mentioned advantage, in recent years, the LED lighting apparatus has obtained using widely as a kind of outstanding electric energy luminous energy conversion equipment.But because the LED lamp needs electric energy just can carry out work equally, therefore, stopping suddenly, during outage, lamp holder promptly can't operate as normal, therefore market need to begin a kind of can stopping, LED lighting apparatus that still can normal illumination work certain hour under the powering-off state, disclosing a patent No. as State Intellectual Property Office on October 25th, 2006 is 200520071883.1, name is called the utility model patent of LED emergency light, this utility model patent is realized the function of emergency illumination of LED lamp by be connected with the emergent lamp holder of the LED that has rechargeable battery on the LED illuminating lamp holder, but it has following defective:
At first, adopt the illumination emergency light of this technology, owing to turn off the light and these two states that have a power failure all are not have, and single lighting circuit can't be discerned these two states of differentiation of will how discerning, therefore must on lighting circuit, connect a lamp holder that has the emergency circuit of rechargeable battery, promptly use at ordinary times with mains supply to the lighting circuit that is connected, and throw light on by illuminating lamp holder, control the folding of lighting circuit by lighting switch; Rechargeable battery to emergent lamp holder charges simultaneously, in case have a power failure, then starts emergency button and throws light on.Adopt illumination, the emergency light of said structure, need two groups of lamp holders, switches to be in charge of illumination and emergency rating respectively, increased the cost of illumination emergency light virtually, cause cost of investment to increase, the layout difficulty, especially the old environmental reconstruction that improves constantly having built up along with people's awareness of safety is difficult especially, and cost is higher.
Secondly, its light source major part of emergency light in the market all adopts fluorescent lamp, electricity-saving lamp, and its rechargeable battery of spotlight (shot-light) generally all adopts nickel-cadmium cell, and this battery volume is bigger, Heavy Weight, few life-span of charging times is short, and the crash time is short.Whole emergency light volume is all bigger, and trouble is installed, and result of use is desirable not to the utmost.
The utility model content:
Utility model purpose of the present utility model, the LED lamp that is to provide a kind of circuit of LED illumination emergency light and uses this circuit, have the circuit of LED illumination emergency light of power failure identification circuit and the LED illumination of using the utility model circuit by the utility model, emergency light, realized and to have thrown light on, emergency circuit is incorporated in the same lighting circuit, thereby needn't re-use two-burner lamp and realize this function, adopt under same light source and the condition with a single knife switch, can be the same with the general lighting lamp, turn on light and turn off the light by switch, can under power-off condition, start emergency lighting automatically again.Solve emergency lamp integration, miniaturization, easily install and the rechargeable battery life-span long, the crash time is long, problems such as energy-conserving and environment-protective.And the utility model circuit connects rationally, the product dexterity, and compact conformation is applicable to the application in ambient lighting, domestic lighting, industrial production.
For realizing above-mentioned utility model purpose, the technical solution adopted in the utility model is:
A kind of circuit of LED illumination emergency light is connected and composed by switching power circuit, circuit of light sources, general lighting and emergency lighting commutation circuit, standby non-power consumption road, battery charge discharge protection circuit and power failure identification circuit six parts.
Further, described power failure identification circuit, have high-impedance component, described high-impedance component can be used electric capacity, and resistance or capacitance-resistance parallel connection realize that it is connected in parallel on the switch one, turn off the light thereby realize distinguishing, turn on light and three states that have a power failure, the input power supply is the no resistance input when turning on light, and is the high impedance input when turning off the light, it during power failure the input of no-voltage electric current, no resistance input switch power supply energy operate as normal is lighted the LED lamp, and high impedance input switch power supply can not be worked, can not light the LED lamp, described high-impedance component impedance is bigger, but foot be in making voltage-stabiliser tube work, no matter following of any state otherwise the power failure collector electrode just keeps conducting state.Its current collection is low level very, makes the emitter can not conducting, and only collector electrode just ends under power-off condition, makes the emitter conducting.
Further, described general lighting and emergency lighting commutation circuit, when switch is normally just done once the power supply that closes a switch, lamp is lighted simultaneously also to battery charge.Can also flow into by described high-impedance component though when switch one disconnects, exchange, but because described high-impedance component impedance can't make the Switching Power Supply operate as normal more greatly, can not light the LED lamp, foot is in being output as low level by the conducting collector electrode although described high-impedance component impedance is big, the conducting voltage that emitter connects its base stage requirement of circuit of light sources is higher and guarantee that emitter ends than collector voltage, so battery can not be lighted led light source.Have only when having a power failure collector cut-off emitter turn-on battery could light led light source automatically.
Further; the charge-discharge protection circuit of described battery: utilize the output of Switching Power Supply constant voltage to add that isolating diode and current-limiting resistance protection are to battery overcharge; because circuit of light sources is to be connected on emitter, voltage is clamped at certain value, plays the protective effect of battery over-discharge during discharge.
Further, described standby non-power consumption road: shared resistance of the common use of collector and emitter direct current biasing resistance, so provide not power consumption of battery by electrical network because the voltage stabilizing value of described voltage-stabiliser tube flows through the electrode current of the current collection collection of described shared resistance during than the standby of cell voltage height, have only when the line voltage overrun low to can not make voltage-stabiliser tube work the time, the current collection collector current ability that flows through described shared resistance is provided by battery.
Further, described when the line voltage overrun low when voltage-stabiliser tube is worked, flow through the current collection collector current of described shared resistance, its minimum is 1-2mA.
Adopt the LED lamp of this circuit; constitute by input power supply, LED illumination emergency circuit, LED lamp holder and erection unit; described LED illumination emergency circuit is connected and composed by switching power circuit, circuit of light sources, general lighting and emergency lighting commutation circuit, standby non-power consumption road, battery charge discharge protection circuit and power failure identification circuit six parts; described LED lamp holder adopts the plurality of LEDs light emitting diode combined to constitute, and described plurality of LEDs light-emitting diode adopts configuration to arrange.
Preferably, the LED lamp of described this circuit of employing, its input power supply is an AC power, and voltage range is 90V-265V, and frequency is 50-60HZ.
Preferably, adopt the LED lamp of this circuit, can be desk lamp, wall lamp, ceiling light, Frame lamp, various illuminations such as the fire-fighting indicator light dual-purpose lamp of meeting an urgent need.
Preferably, adopt the LED lamp of this circuit, adopt the power supply of polymer charged lithium cells as emergency circuit.
The beneficial effects of the utility model:
The utility model provides a kind of circuit of LED illumination emergency light and has used the LED lamp of this circuit, have the circuit of LED illumination emergency light of power failure identification circuit and LED illumination, the emergency light of using the utility model circuit by the utility model, realized throwing light on, emergency circuit is incorporated in the same lighting circuit, thereby needn't re-use two-burner lamp and realize this function, adopt under same light source and the condition with a single knife switch, can be the same with the general lighting lamp, turn on light and turn off the light by switch, can under power-off condition, start emergency lighting automatically again.Solve emergency lamp integration, miniaturization, easily install and the rechargeable battery life-span long, the crash time is long, problems such as energy-conserving and environment-protective.And the utility model circuit connects rationally, the product dexterity, and compact conformation is applicable to the application in ambient lighting, domestic lighting, industrial production.
Description of drawings:
Fig. 1 is the circuit connection structure schematic diagram of the utility model LED illumination emergency light.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further specified:
As shown in Figure 1; the circuit of a kind of LED illumination of the utility model emergency light; a kind of circuit of LED illumination emergency light; connect and compose by switching power circuit 1, circuit of light sources 2, general lighting and emergency lighting commutation circuit, standby non-power consumption road, battery charge discharge protection circuit and power failure identification circuit 3 six parts; this product adopts the polymer charged lithium cells, prolongs the useful life of lamp, has adopted led light source simultaneously; more energy-conservation, environmental protection more.Whole design is ingenious, and is rationally simple, practicality, cost performance height.
Described power failure identification circuit 3, have high-impedance component 31, described high-impedance component 31 can be used electric capacity, resistance or capacitance-resistance parallel connection realize, it is connected in parallel on the switch 1, turns off the light thereby realize to distinguish, and turns on light and has a power failure three states, the input power supply is the no resistance input when turning on light, being the high impedance input when turning off the light, is the input of no-voltage electric current during power failure, no resistance input switch power supply energy operate as normal, light the LED lamp, high impedance input switch power supply can not be worked, and can not light the LED lamp, and described high-impedance component 31 impedances are bigger, but foot be in making voltage-stabiliser tube 33 work, no matter following of any state otherwise power failure collector electrode 34 just keeps conducting state.Its collector electrode 34 is a low level, makes the emitter 35 can not conducting, and only collector electrode 34 just ends under power-off condition, makes emitter 34 conductings.Described general lighting and emergency lighting commutation circuit are just normally just done when switch 1 power supply that closes a switch, and lamp is lighted simultaneously also to battery charge.Can also flow into by described high-impedance component 31 though when switch 1 disconnects, exchange, but because described high-impedance component 31 impedances can't make the Switching Power Supply operate as normal more greatly, can not light the LED lamp, be enough to and be output as low level by conducting collector electrode 34 although described high-impedance component 31 impedances are big, the conducting voltage that emitter 35 connects its base stage requirement of circuit of light sources is higher and guarantee that emitter 35 ends than collector electrode 34 voltages, so battery can not be lighted led light source.Have only when having a power failure collector electrode 34 could light led light source automatically by emitter 35 turn-on batteries.The charge-discharge protection circuit of described battery: utilize the output of Switching Power Supply constant voltage to add that isolating diode and current-limiting resistance protection are to battery overcharge; during discharge since circuit of light sources be to be connected on emitter 35; voltage is clamped at certain value, plays the protective effect of battery over-discharge.Described standby non-power consumption road: shared resistance 4 of the common use of collector electrode 34 and emitter 35 direct current biasing resistance, so provide not power consumption of battery by electrical network because the voltage stabilizing value of described voltage-stabiliser tube 33 flows through the electrode current of the current collection collection 34 of described shared resistance during than the standby of cell voltage height, have only when the line voltage overrun low to can not make voltage-stabiliser tube 33 work the time, the current collection collection 34 electrode currents ability that flows through described shared resistance is provided by battery.Described when the line voltage overrun low when voltage-stabiliser tube 33 is worked, flow through current collection collection 34 electrode currents of described shared resistance 4, its minimum is 1-2mA.Adopt the LED illumination emergency light of this circuit; by the input power supply; the LED emergency circuit that throws light on; LED lamp holder and erection unit constitute; described LED illumination emergency circuit is by switching power circuit 1; circuit of light sources 2; general lighting and emergency lighting commutation circuit; standby non-power consumption road; battery charge discharge protection circuit and power failure identification circuit 3 six parts connect and compose; described LED lamp holder adopts the plurality of LEDs light emitting diode combined to constitute; described plurality of LEDs light-emitting diode adopts configuration to arrange; in use; lamp holder and loam cake are by being threaded into; again by pressing the lamp holder machine to fasten fixing; loam cake; battery compartment, translucent cover all are to be connected and fixed by frame mode, and electronic circuit board is put into loam cake; battery; little toggle switch of K2 and lighting pilot lamp are put into plastics and are connected layer, and led board is put into lower floor, and all line is pressed shown in the accompanying drawing 1 and connected.The switch annex is parallel-connected in the control switch of lamp, and the little Φ 58*100CM of entire product volume is in light weight.Be about 118 grams, directly insert with lamp holder, it is very convenient to install.
In the utility model, the LED lamp of described this circuit of employing, its input power supply is an AC power, voltage range is 90V-265V, frequency is 50-60HZ, can use voltage input and ac frequency in most of ambient lighting, family and the industrial lighting, and the scope of application is wider.
Use the LED illumination emergency light of the utility model circuit, can be desk lamp, wall lamp, ceiling light, Frame lamp, various illuminations such as the fire-fighting indicator light dual-purpose lamp of meeting an urgent need, adopt the LED lamp of this circuit, adopt the power supply of polymer charged lithium cells, when volume is less relatively, compact as emergency circuit, the electric energy storage of increasing also is provided, has prolonged the service time of emergency lighting.
Further specify in conjunction with the embodiments:
The switching power circuit of band frame part, this circuit adopt wide voltage design input AC electricity scope 90V-265V/50-60HZ, and can reach the EMC standard-required.Be output as constant low-voltage direct, output voltage and power can design as requested.
The power failure identification circuit of band frame part.G1 is the capacitive high-impedance component, and it is connected in parallel on the K switch 1, and this just can distinguish and turn off the light, and turns on light and has a power failure three states.The input power supply is the no resistance input when turning on light, and is the high impedance input when turning off the light, and is the input of no-voltage electric current during power failure.Identification circuit according to these three kinds of different situations designs just can be discerned automatically, no resistance input switch power supply can normally just be done, high impedance input switch power supply can not be worked, foot be in making the work of W1 voltage-stabiliser tube although the G1 impedance is big, no matter following of any state otherwise power failure Q1 just keeps conducting state.Its current collection is low level very, makes the Q2 can not conducting.Only Q1 just ends under power-off condition, makes the Q2 conducting.
By R12, Q1, Q2 forms general lighting and emergency lighting commutation circuit.Just normally just do when the K1 power supply that closes a switch, lamp is lighted simultaneously also to battery charge.The G1 impedance can also flow into by G1 though when K1 disconnects, exchange, owing to can't make the Switching Power Supply operate as normal more greatly.Foot is in making the Q1 conducting guarantee that Q2 ends, so battery can not be lighted led light source although the G1 impedance is big.Have only that Q1 could light led light source automatically by the Q2 turn-on battery when having a power failure.
By D8, R11 and circuit of light sources are formed the battery charging and discharging protective circuit.Switching Power Supply output is constant pressure source, so you are as long as the pressure reduction of calculating and battery just can be protected battery overcharge.The example Switching Power Supply is output as 8.7V, and rechargeable battery is 7.4V, deducts D8 pressure drop 0.7V battery and can only be charged to 8V at most.Because circuit of light sources is to be connected on the Q2 emitter, voltage is clamped at certain value, plays the protective effect of battery over-discharge during discharge.
Standby non-power consumption road: Q1 collector electrode and Q2 base stage direct current biasing resistance are public to be R12, so provide not power consumption of battery because W1 voltage stabilizing value flows through the Q1 collector current of R12 during than the standby of cell voltage height by electrical network.Have only when the line voltage overrun low to can not make W1 work the time, the Q1 collector current ability that flows through R12 is provided the minimum about 1-2MA of this electric current by battery
It in the little square frame led light source circuit.It can adopt string method also integrated according to the power of cell voltage and light source requirements, and resistance is to be used for regulating the LED electric current.
Fig. 3 is seen in whole emergency light structure size and installation signal: volume is 58 * 100mm, about 118 grams of weight.The first step is put the control switch of lamp in off-state and is cut off general supply then during use, by shown in Figure 3 the high impedance annex is connected in parallel in the switch of controlling lamp.Second step screwed in emergency light in the corresponding lamp socket, stirred K2 switch lamp this moment left and should light.The 3rd goes on foot general supply lantern festival this moment of closing extinguishes.The 4th step can normally be controlled the lamp on and off by lamp switch and can use.
What specify is that the charging of the utility model battery realizes by turning on light, and may cause emergent use of the not enough influence of cell voltage as not turning on light for a long time.In addition under turn-off because inner identification circuit also in work, is lower than standard value 10% battery as line voltage and also will consumes trace electricity, and stand-by time is the longest to be 7 days, can normally start minimum will turning on light four hours in a week at ordinary times for emergent.(110V, 220V) different mining disposes with different high impedance annex G1 according to line voltage.K2 is used for product export cut-out cell circuit, guarantees battery electric quantity.R14 and LED (green glow) have the electric lighting indicator light, and this LED lamp extinguishes when turning off the light with power-cut emergency lighting.
It should be noted that embodiment and embodiment further describe and specify and non-limiting of the present utility model, any employing the utility model connotation and the change carried out are still in protection range of the present utility model.
Claims (10)
1, a kind of circuit of LED illumination emergency light, it is characterized in that: the electric routing switch power circuit (1) of described LED illumination emergency light, circuit of light sources (2), general lighting and emergency lighting commutation circuit, standby non-power consumption road, battery charge discharge protection circuit and power failure identification circuit (3) six parts connect and compose, described power failure identification circuit (3), include high-impedance component (31), described high-impedance component (31) be connected in parallel on the switch one (32), described power failure identification circuit (3) is connected with described switching power circuit (1) circuit by described high-impedance component (31); Described power failure identification circuit (3) also includes uses resistance (4) altogether, and described circuit of light sources (2) circuit is connected with described power failure identification circuit (1) circuit after connecting described shared resistance (4).
2, the circuit of a kind of LED illumination emergency light according to claim 1, it is characterized in that: described high-impedance component (31) is electric capacity, resistance or capacitance-resistance parallel connection, also be provided with a collector electrode (34) in the described power failure identification circuit (1), described collector electrode (34) comprises low level and ends two circuit states.
3, the circuit of a kind of LED illumination emergency light according to claim 1 and 2, it is characterized in that: in described general lighting and the emergency lighting commutation circuit, when described switch one (32) is closed, described switching power circuit (1) conducting, when described switch one (32) disconnects, exchange by described high-impedance component (31) inflow.
4, the circuit of a kind of LED illumination emergency light according to claim 1, it is characterized in that: described battery charging and discharging protective circuit also comprises isolating diode and current-limiting resistance.
5, the circuit of a kind of LED illumination emergency light according to claim 1, it is characterized in that: described standby non-power consumption is provided with an emitter (35) in the road, the common shared resistance (4) that uses of described collector electrode (34) and emitter (35) direct current biasing resistance.
6, the circuit of a kind of LED illumination emergency light according to claim 1, it is characterized in that: when line voltage can not make voltage-stabiliser tube work, its minimum of collector electrode (34) electric current that flows through described shared resistance (4) was 1-2mA.
7, a kind of LED lamp that adopts this circuit; constitute by input power supply, LED illumination emergency circuit, LED lamp holder and erection unit; described LED illumination emergency circuit is connected and composed by switching power circuit (1), circuit of light sources (2), general lighting and emergency lighting commutation circuit, standby non-power consumption road, battery charge discharge protection circuit and power failure identification circuit (3) six parts; it is characterized in that: described LED lamp holder adopts the plurality of LEDs light emitting diode combined to constitute, and described plurality of LEDs light-emitting diode adopts configuration to arrange.
8, a kind of LED lamp that adopts this circuit according to claim 7 is characterized in that: the LED lamp of described this circuit of employing, and its input power supply is an AC power, and voltage range is 90V-265V, and frequency is 50-60HZ.
9, a kind of LED lamp that adopts this circuit according to claim 7 is characterized in that: adopt the LED lamp of this circuit, can be desk lamp, wall lamp, ceiling light, Frame lamp, various illuminations such as the fire-fighting indicator light dual-purpose lamp of meeting an urgent need.
10, a kind of LED lamp that adopts this circuit according to claim 7 is characterized in that: adopt the LED lamp of this circuit, adopt the power supply of polymer charged lithium cells as emergency circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200845402U CN201290193Y (en) | 2008-03-20 | 2008-03-20 | Circuit of LED illumination emergent lamp and LED lamp applying the circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200845402U CN201290193Y (en) | 2008-03-20 | 2008-03-20 | Circuit of LED illumination emergent lamp and LED lamp applying the circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201290193Y true CN201290193Y (en) | 2009-08-12 |
Family
ID=40981873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200845402U Expired - Fee Related CN201290193Y (en) | 2008-03-20 | 2008-03-20 | Circuit of LED illumination emergent lamp and LED lamp applying the circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201290193Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720154A (en) * | 2009-12-15 | 2010-06-02 | 海洋王照明科技股份有限公司 | Emergency power supply switching circuit and LED drive circuit thereof |
| CN102176797A (en) * | 2010-12-06 | 2011-09-07 | 周宇超 | Merged illumination and emergent light-emitting diode (LED) fluorescent lamp |
| CN102510623A (en) * | 2011-11-01 | 2012-06-20 | 深圳市讯宇创科技有限公司 | Emergency light circuit and system |
| CN101541125B (en) * | 2008-03-20 | 2013-06-19 | 高伟林 | LED illumination emergency lamp circuit and LED lamp using circuit |
| CN104244499A (en) * | 2013-06-13 | 2014-12-24 | 海洋王（东莞）照明科技有限公司 | LED emergency power supply driving circuit |
-
2008
- 2008-03-20 CN CNU2008200845402U patent/CN201290193Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101541125B (en) * | 2008-03-20 | 2013-06-19 | 高伟林 | LED illumination emergency lamp circuit and LED lamp using circuit |
| CN101720154A (en) * | 2009-12-15 | 2010-06-02 | 海洋王照明科技股份有限公司 | Emergency power supply switching circuit and LED drive circuit thereof |
| CN102176797A (en) * | 2010-12-06 | 2011-09-07 | 周宇超 | Merged illumination and emergent light-emitting diode (LED) fluorescent lamp |
| CN102510623A (en) * | 2011-11-01 | 2012-06-20 | 深圳市讯宇创科技有限公司 | Emergency light circuit and system |
| CN102510623B (en) * | 2011-11-01 | 2014-06-18 | 深圳市讯宇创科技有限公司 | Emergency light circuit and system |
| CN104244499A (en) * | 2013-06-13 | 2014-12-24 | 海洋王（东莞）照明科技有限公司 | LED emergency power supply driving circuit |
| CN104244499B (en) * | 2013-06-13 | 2016-12-28 | 海洋王（东莞）照明科技有限公司 | LED emergency power supply drive circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201621483U (en) | Multifunctional emergency power-supply illuminating lamp | |
| CN100549502C (en) | A kind of dual-purpose intelligent lamp | |
| CN101541125B (en) | LED illumination emergency lamp circuit and LED lamp using circuit | |
| CN201290193Y (en) | Circuit of LED illumination emergent lamp and LED lamp applying the circuit | |
| CN101959349A (en) | Dual-light source intelligent control type illuminating lamp control circuit | |
| CN208337945U (en) | A kind of linear constant current LED lamp circuit with function of emergency illumination | |
| CN103687241A (en) | Emergency led lamp | |
| CN201134948Y (en) | Energy-saving light integrating energy conservation and emergency lighting | |
| US7839115B2 (en) | Power switching apparatus for natural energy power supply | |
| CN201539807U (en) | Solar alley lamp | |
| CN202392666U (en) | Emergency lamp | |
| CN202310232U (en) | Miniwatt LED light illumination system | |
| CN102413609A (en) | Low-power illuminating system with LED (light-emitting diode) lamps | |
| CN201306661Y (en) | Rechargeable emergency light bulb | |
| CN202927709U (en) | Chargeable alternating-current and direct-current LED (light-emitting diode) bulb | |
| CN113966052B (en) | Intelligent control circuit | |
| CN201892137U (en) | LED bulb with electricity storage function | |
| CN203115533U (en) | Flashlight | |
| CN201887526U (en) | Emergency illuminating lamp | |
| CN201827696U (en) | Emergency energy-saving lamp | |
| CN202993013U (en) | Light emitting diode (LED) lighting lamp | |
| CN202551404U (en) | Lighting device | |
| CN201973680U (en) | Multifunctional LED emergency lamp with fire detector | |
| CN201251085Y (en) | LED emergency light for power-failure | |
| CN2859987Y (en) | Luminous diode wall lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090812 Termination date: 20130320 |