CN107543094A - A kind of LED lamp with function of emergency illumination - Google Patents
A kind of LED lamp with function of emergency illumination Download PDFInfo
- Publication number
- CN107543094A CN107543094A CN201610489748.1A CN201610489748A CN107543094A CN 107543094 A CN107543094 A CN 107543094A CN 201610489748 A CN201610489748 A CN 201610489748A CN 107543094 A CN107543094 A CN 107543094A
- Authority
- CN
- China
- Prior art keywords
- battery
- light group
- led light
- led
- lamp
- 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.)
- Pending
Links
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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The invention discloses a kind of LED lamp with function of emergency illumination, including lamp housing, battery, driving power, the first LED light group and the second LED light group are set in the lamp housing, the first LED light group and the second LED light group include multiple LEDs, and multiple LEDs of the second LED light group are connected in parallel;First LED light group connects driving power, and the driving power electrically connects with city;Battery is one, and the battery connects the second LED light group, and control circuit is set in lamp housing, when civil power powers off, controls battery to be powered for the second LED light group.First LED light group is by mains-supplied, used as normal illumination, multiple LEDs of second LED light group are connected in parallel, directly powered by single battery when civil power powers off, play the function of emergency lighting, reasonable, full utilization, more energy-conserving and environment-protective can be carried out to the electric power of battery, and circuit structure is simple.
Description
Technical field
The present invention relates to a kind of LED lamp, more particularly to a kind of LED lamp with function of emergency illumination.
Background technology
LED lamp is widely used in work, studying and living because of its characteristic such as have energy-conserving and environment-protective, quality light source excellent
Illumination etc..Most of LED lamps of prior art, particularly LED daylight lamp (or being LED lamp tube) are general to be shone without emergent
Bright function, for the power outage of power network burst, generator that is general or using cooperation is generated electricity, or using in addition
The emergent lamp apparatus of installation solves the problems, such as temporary lighting.Also there is small part LED lamp to carry function of emergency illumination at present, have
Body is to be powered using battery in mains failure for multiple LEDs of LED lamp, and this no doubt solves LED lamp
Emergency lighting problem, but there is also following weak point:Battery volume is larger, and weight weight, space-consuming is big, can not be arranged on
In LED lamp.Multiple LEDs of LED lamp typically use cascade, it is necessary to 12V voltages, need to be through overdriving when connecting civil power
Power supply carries out decompression processing, when the plurality of LED by can be built in light fixture battery powered when, it is necessary to using multiple battery strings
Connection is powered, and electric power can be lost in this, is unfavorable for saving, and battery is connected in series when being charged, easily because of each electricity
Pond charging process is inconsistent to cause battery to be easily damaged, once one of battery damages, will cause whole group battery can not
Normal power supply, in addition, the LED of existing LED lamp uses cascade, once one of LED is damaged, it will cause
Light fixture is unable to normal illumination;During according to the relatively low battery of single rated voltage, then need to boost to the output voltage of battery
Processing, and this can introduce more electronic components, not only circuit structure is more complicated, is also unfavorable for saving.
The content of the invention
The invention provides a kind of LED lamp with function of emergency illumination, which overcomes the band described in background technology and meets an urgent need
Weak point present in the LED of illumination functions.
The technical solution adopted for the present invention to solve the technical problems is:A kind of LED lamp with function of emergency illumination, bag
Lamp housing is included, battery, driving power, the first LED light group and the second LED light group, the first LED light group and the 2nd LED are set in the lamp housing
Lamp group includes multiple LEDs, and multiple LEDs of the second LED light group are connected in parallel;First LED light group connects driving power,
The driving power electrically connects with city;Battery is one, and the battery connects the second LED light group, control circuit is set in lamp housing, in civil power
During power-off, battery is controlled to be powered for the second LED light group.
Further, the control circuit includes automatic transfer switch, and the automatic transfer switch is connected to battery and second
In the electrical circuit of LED light group, and the electrical input connection civil power or driving power of the automatic transfer switch, when civil power powers off,
Automatic transfer switch connects the electrical circuit of battery and the second LED light group, when civil power is powered, automatic transfer switch disconnection battery and
The electrical circuit of second LED light group.
Further, the battery is rechargeable battery, and the control circuit also includes charging circuit, and the charging circuit connects
The battery and civil power are connect, controls battery to charge when civil power is powered by the charging circuit.
Further, the automatic transfer switch is transistor switching circuit or relay switch.
Further, the transistor switching circuit includes PNP type triode, electric capacity, and the ground level of triode passes through at least
One diode connects the live wire of civil power with least one resistance, and the emitting stage of triode connects the positive pole of battery, triode
Colelctor electrode passes through capacity earth;The negative pole ground connection of battery, the positive pole of each LED of the second LED light group connect the positive pole of battery respectively,
The negative pole of each LED of second LED light group connects the colelctor electrode of triode respectively.
Further, the control circuit also includes flow straightener, the ground terminal ground connection of the flow straightener, power end by it is described from
Dynamic switching switch connects the positive pole of the battery, and output end connects the negative pole of each LED of second LED light group.
Further, multiple LEDs of first LED light group are connected in series, and/or, the battery is lithium
Battery or Ni-MH battery.
Further, the lamp housing includes fluorescent tube and is assemblied in the lamp holders of the lamp tube ends, first LED light group and the
Two LED light groups are arranged on a strip substrate.
Further, the fluorescent tube includes lamp socket and lampshade, and lamp socket includes installing plate and semicircle shell, installing plate are fixed
On the inside of shell, and an accommodating cavity is surrounded therebetween, the battery, driving power and control circuit are arranged on the accommodating cavity,
The substrate is fixed on a mounting board;Lampshade shape is adapted to shell, and the two connection coordinates.
Further, the length direction of the first LED light group and the second LED light group along substrate lines up an at least row, and
In same row, the LED of the first LED groups and the LED cross arrangement of the second LED light group;Or first LED light group and
Second LED light group lines up an at least row along the length direction of substrate respectively.
Compared to prior art, the invention has the advantages that:
1st, including the first LED light group and the second LED light group, the first LED light group is used as normal illumination by mains-supplied,
Multiple LEDs of second LED light group are connected in parallel, and can directly be supplied by battery of the single rated voltage bottom of compared with when civil power powers off
Electricity, the function of emergency lighting is played, reasonable, full utilization, more energy-conserving and environment-protective, and circuit structure can be carried out to the electric power of battery
Simply;Battery is one, the problem of being built in light fixture, and be easily damaged in the absence of serial connection charge;Second LED light group it is more
Individual LED is connected in parallel, once one of them or the damage of small part LED, nor affect on the working condition of remaining LED, make
Second LED light group can still provide for emergency lighting.
2nd, the control circuit includes automatic transfer switch, can switch to battery rapidly to second when civil power powers off
LED light group is powered, and realizes automatic management.
3rd, the lamp housing includes fluorescent tube and is assemblied in the lamp holder of the lamp tube ends so that and the LED lamp forms LED lamp tube,
Existing LED lamp tube has been filled up typically without the blank of emergency lighting.
4th, the length direction of the first LED light group and the second LED light group along substrate lines up an at least row, and in same row, the
The LED of one LED groups and the LED cross arrangement of the second LED light group, or, first LED light group and the second LED light group
An at least row is lined up along the length direction of substrate so that when the LED lamp carries out normal illumination and emergency lighting, it is illuminated respectively
Effect is suitable, can meet normal use.
The present invention is described in further detail below in conjunction with drawings and Examples;A kind of but band emergency lighting of the present invention
The LED lamp of function is not limited to embodiment.
Brief description of the drawings
Fig. 1 is the decomposing schematic representation of the present invention;
Fig. 2 is the schematic block circuit diagram of the present invention;
Fig. 3 is the circuit connection diagram of the present invention.
Embodiment
Embodiment, refer to shown in Fig. 1-Fig. 3, a kind of LED lamp with function of emergency illumination of the invention, including lamp
Shell, battery 3, driving power 4, the first LED light group 5, the second LED light group 6 are set in lamp housing.Lamp housing includes fluorescent tube 1 and is assemblied in this
The lamp holder 2 at the both ends of fluorescent tube 1, the LED lamp is set to form LED lamp tube.First LED light group 5 and the second LED light group 6 are arranged on same
On strip substrate 7, the first LED light group 5 and the second LED light group 6 include multiple LEDs, and the first LED light group 5 is multiple
LED is connected in series one by one, and multiple LEDs of the second LED light group 6 are connected in parallel.The connection driving of first LED light group 5
Power supply 4, the driving power 4 are connected with civil power 10.Battery 3 be one, and use rated voltage for DC3.7V lithium battery (or
Also Ni-MH battery is used), the battery 3 connects the second LED light group 6.Control circuit is set in lamp housing, battery is controlled when civil power powers off
3 be that the second LED light group 6 is powered.
In the present embodiment, the control circuit includes automatic transfer switch 8, the automatic transfer switch 8 be connected to battery 3 with
In the electrical circuit of second LED light group 6, and the electrical input connection civil power 10 of the automatic transfer switch 8, when civil power 10 powers off,
Automatic transfer switch 8 connects the electrical circuit of the LED light group 6 of battery 3 and second, and when civil power 10 is powered, automatic transfer switch 8 disconnects
The electrical circuit of the LED light group 6 of battery 3 and second.
In the present embodiment, the battery 3 is rechargeable battery, and the control circuit also includes charging circuit 9, charging electricity
Road 9 connects the battery 3 and civil power 10, controls battery 3 to charge when civil power 10 is powered by the charging circuit 9.Such as Fig. 3 institutes
Show, the charging circuit 9 specifically includes current rectifying and wave filtering circuit (including MB6S chips U4 and electric capacity C6), power driving circuit (core
Center portion part is LNK306DNDN power supply driver U3), (core component is TP4056 battery charger to battery charger
U2, it is connected with charging indicator light and different full of indicator lamp, the color of two kinds of indicator lamps), the input of current rectifying and wave filtering circuit connects
Connecing civil power 10, output is connected to the input of power driving circuit, the output connection battery 3 of power driving circuit (in Fig. 3, label E institutes
Finger is battery 3, and chip U1 is the driving power 4 of the first LED light group 5).Civil power 10 is powered, and the electricity of battery 3 is relatively low
When, the charging circuit 9 control battery 3 is charged, and controls battery 3 to stop charging when battery 3 is fully charged, avoids battery 3
Appearance overcharges phenomenon.
In the present embodiment, the automatic transfer switch 8 is transistor switching circuit.As shown in figure 3, the triode switch
Circuit includes PNP type triode Q1, electric capacity C8, and triode Q1 base stage passes through diode D3, D6, resistance R14 connections civil power 10
Live wire, the positive pole of triode Q1 emitter stage connection battery 3, triode Q1 colelctor electrode is grounded by electric capacity C8.Battery 3
Negative pole is grounded, and the positive pole of each LED of the second LED light group 6 connects the positive pole of battery 3 respectively, each LED of the second LED light group 6
Negative pole connects triode Q1 colelctor electrode respectively.
In the present embodiment, the control circuit also includes flow straightener U4 (the model AMC7135 of the flow straightener), the current stabilization
Device U4 ground terminal ground connection, power end connect the colelctor electrode of the triode Q1, and output end connects each of second LED light group 6
The negative pole of LED.Flow straightener U4 setting, each LED of the second LED light group 6 can be avoided to be powered moment because electric current is excessive
And it is burned.
In the present embodiment, the fluorescent tube 1 includes the lamp socket and lampshade 13 of metal material, and lamp socket includes integrally formed strip
Shape installing plate 11 and semicircle shell 12, installing plate 11 are fixed on the inner side of shell 12, surround an accommodating cavity, the electricity therebetween
Pond 3, driving power 4, automatic transfer switch 8, charging circuit 9 and flow straightener U4 are arranged on the accommodating cavity, and the substrate 7 is fixed on
On installing plate 11;The shape of lampshade 13 is adapted to shell 12, and the two is engaged by clamping.
In the present embodiment, length direction of the LED light group 6 of the first LED light group 5 and second along substrate 7 is arranged in a row, and
The LED cross arrangement of the LED of first LED groups and the second LED light group 6.
In the present embodiment, the automatic transfer switch 8, charging circuit 9, flow straightener U4 can be integrated in same circuit board
On.
During 10 normal power supply of civil power, 220V, 50Hz civil power 10 is changed into 20-80V direct currents supply first by driving power 4
LED light group 5 works, and each LED of the first LED light group 5 is carried out luminous lighting.Meanwhile triode Q1 ends, and makes battery 3 not
Second LED light group 6 is powered, charging circuit 9 controls battery 3 to be charged, and voluntarily stops charging after battery 3 is fully charged.
When civil power 10, which happens suddenly, to have a power failure, triode Q1 conductings, the emergency service pattern of battery 3 is switched to immediately, from battery 3 to the 2nd LED
The power supply of lamp group 6 maintains illumination.When civil power 10 restores electricity, automatic transfer switch 8 voluntarily switches again, and it is right by civil power 10 to revert to
The normal power supply pattern of first LED light group 5, while charging energy-storing is standby again to battery 3 for charging circuit 9.
Multiple LEDs of the second LED light group 6 of the present invention are connected in parallel, when civil power 10 powers off by single rated voltage
Relatively low battery 3 is directly powered, and plays the function of emergency lighting, can carry out reasonable, full utilization to the electric power of battery 3, more
Energy-conserving and environment-protective, and circuit structure is simple.
In other embodiments, the automatic transfer switch is relay switch, and the relay switch is closed type or turned
Remodel relay, its two coil input end connection civil power 10, its contact sets are connected to battery and the electrical circuit of the second LED light group
In.
In other embodiments, the lamp housing is the lamp housing of LED down lamp, the LED lamp is formed LED down lamp.Except this, institute
State lamp housing and can also be other structures, LED lamp is formed other types of light fixture.
In other embodiments, first LED light group and the second LED light group respectively along the length direction of substrate line up to
A few row.
In other embodiments, the electrical input connection driving power of the automatic transfer switch.
Above-described embodiment is only used for further illustrating a kind of LED lamp with function of emergency illumination of the present invention, but this hair
It is bright to be not limited to embodiment, any simple modification that every technical spirit according to the present invention is made to above example, etc.
With change and modification, each fall within the protection domain of technical solution of the present invention.
Claims (10)
- A kind of 1. LED lamp with function of emergency illumination, it is characterised in that:Including lamp housing, battery, driving electricity are set in the lamp housing Source, the first LED light group and the second LED light group, the first LED light group and the second LED light group include multiple LEDs, and the 2nd LED Multiple LEDs of lamp group are connected in parallel;First LED light group connects driving power, and the driving power electrically connects with city;Battery is one Individual, the battery connects the second LED light group, sets control circuit in lamp housing, when civil power powers off, it is the second LED light group to control battery Power supply.
- 2. the LED lamp according to claim 1 with function of emergency illumination, it is characterised in that:The control circuit includes Automatic transfer switch, the automatic transfer switch are connected in battery and the electrical circuit of the second LED light group, and the automatic transfer switch Electrical input connection civil power or driving power, when civil power power off, automatic transfer switch connection battery and the second LED light group Electrical circuit, when civil power is powered, automatic transfer switch disconnects battery and the electrical circuit of the second LED light group.
- 3. the LED lamp according to claim 2 with function of emergency illumination, it is characterised in that:The battery is chargeable Battery, the control circuit also include charging circuit, and the charging circuit connects the battery and civil power, existed by the charging circuit Battery charging is controlled when civil power is powered.
- 4. the LED lamp according to claim 2 with function of emergency illumination, it is characterised in that:The automatic transfer switch For transistor switching circuit or relay switch.
- 5. the LED lamp according to claim 4 with function of emergency illumination, it is characterised in that:The triode switch electricity Road includes PNP type triode, electric capacity, and the ground level of triode connects civil power by least one diode with least one resistance Live wire, the positive pole of the emitting stage connection battery of triode, the colelctor electrode of triode pass through capacity earth;The negative pole ground connection of battery, The positive pole of each LED of second LED light group connects the positive pole of battery respectively, and the negative pole of each LED of the second LED light group connects three respectively The colelctor electrode of pole pipe.
- 6. according to the LED lamp with function of emergency illumination described in claim 2 or 4 or 5, it is characterised in that:The control electricity Road also includes flow straightener, the ground terminal ground connection of the flow straightener, and power end is connecting the battery just by the automatic transfer switch Pole, output end connect the negative pole of each LED of second LED light group.
- 7. according to the LED lamp with function of emergency illumination described in claim 1 or 2 or 3, it is characterised in that:First LED Multiple LEDs of lamp group are connected in series, and/or, the battery is lithium battery or Ni-MH battery.
- 8. the LED lamp according to claim 1 with function of emergency illumination, it is characterised in that:The lamp housing includes fluorescent tube With the lamp holder for being assemblied in the lamp tube ends, first LED light group and the second LED light group are arranged on a strip substrate.
- 9. the LED lamp according to claim 8 with function of emergency illumination, it is characterised in that:The fluorescent tube includes lamp socket And lampshade, lamp socket include installing plate and semicircle shell, installing plate is fixed on the inside of shell, and it is accommodating to surround one therebetween Chamber, the battery, driving power and control circuit are arranged on the accommodating cavity, and the substrate is fixed on a mounting board;Lampshade shape It is adapted to shell, and the two connection coordinates.
- 10. the LED lamp according to claim 8 with function of emergency illumination, it is characterised in that:First LED light group An at least row is lined up with length direction of second LED light group along substrate, and in same row, the LED and second of the first LED groups The LED cross arrangement of LED light group;Or first LED light group and the second LED light group are respectively along the length direction of substrate Line up an at least row.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610489748.1A CN107543094A (en) | 2016-06-28 | 2016-06-28 | A kind of LED lamp with function of emergency illumination |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610489748.1A CN107543094A (en) | 2016-06-28 | 2016-06-28 | A kind of LED lamp with function of emergency illumination |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107543094A true CN107543094A (en) | 2018-01-05 |
Family
ID=60962491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610489748.1A Pending CN107543094A (en) | 2016-06-28 | 2016-06-28 | A kind of LED lamp with function of emergency illumination |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107543094A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109630954A (en) * | 2019-01-17 | 2019-04-16 | 京东方科技集团股份有限公司 | A kind of green indicating lamp |
CN109899743A (en) * | 2019-04-29 | 2019-06-18 | 安溪县城厢逸宁贸易商行 | LED lamp firm power control device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2724133Y (en) * | 2004-09-02 | 2005-09-07 | 上海林氏现代电器有限公司 | LED emergency lamp |
CN101070949A (en) * | 2006-12-19 | 2007-11-14 | 胡家培 | Radiating control emergency lighting integrated thick-film packaged LED lighting lamp tube |
CN202001994U (en) * | 2011-03-12 | 2011-10-05 | 佛山市顺德区威德利照明有限公司 | Emergency light-emitting diode (LED) lighting lamp |
CN202026509U (en) * | 2011-04-08 | 2011-11-02 | 王飞 | Intelligent LED lamp |
CN202419432U (en) * | 2011-11-21 | 2012-09-05 | 鹤山倍狮科技有限公司 | Emergency lamp with charging indication circuit |
CN103002618A (en) * | 2011-09-09 | 2013-03-27 | 东莞巨扬电器有限公司 | LED lighting device |
CN203872416U (en) * | 2014-06-08 | 2014-10-08 | 谢兵 | Intelligent illuminating emergency lamp |
CN205909148U (en) * | 2016-06-28 | 2017-01-25 | 深圳市声表电子有限公司 | Light -emitting diode (LED) light with emergency lighting function |
-
2016
- 2016-06-28 CN CN201610489748.1A patent/CN107543094A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2724133Y (en) * | 2004-09-02 | 2005-09-07 | 上海林氏现代电器有限公司 | LED emergency lamp |
CN101070949A (en) * | 2006-12-19 | 2007-11-14 | 胡家培 | Radiating control emergency lighting integrated thick-film packaged LED lighting lamp tube |
CN202001994U (en) * | 2011-03-12 | 2011-10-05 | 佛山市顺德区威德利照明有限公司 | Emergency light-emitting diode (LED) lighting lamp |
CN202026509U (en) * | 2011-04-08 | 2011-11-02 | 王飞 | Intelligent LED lamp |
CN103002618A (en) * | 2011-09-09 | 2013-03-27 | 东莞巨扬电器有限公司 | LED lighting device |
CN202419432U (en) * | 2011-11-21 | 2012-09-05 | 鹤山倍狮科技有限公司 | Emergency lamp with charging indication circuit |
CN203872416U (en) * | 2014-06-08 | 2014-10-08 | 谢兵 | Intelligent illuminating emergency lamp |
CN205909148U (en) * | 2016-06-28 | 2017-01-25 | 深圳市声表电子有限公司 | Light -emitting diode (LED) light with emergency lighting function |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109630954A (en) * | 2019-01-17 | 2019-04-16 | 京东方科技集团股份有限公司 | A kind of green indicating lamp |
CN109899743A (en) * | 2019-04-29 | 2019-06-18 | 安溪县城厢逸宁贸易商行 | LED lamp firm power control device |
CN109899743B (en) * | 2019-04-29 | 2021-05-04 | 陕西雄森创意设计工程有限公司 | Constant power control device for LED lamp |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100549502C (en) | A kind of dual-purpose intelligent lamp | |
US9232593B2 (en) | Converting a lamp for continued operation following a line current failure | |
CN106028567B (en) | A kind of emergency lighting circuit and emergency light | |
CN201382353Y (en) | Capacitance LED emergency lighting lamp unit | |
CN107543094A (en) | A kind of LED lamp with function of emergency illumination | |
CN104427698A (en) | Control circuit | |
CN205909148U (en) | Light -emitting diode (LED) light with emergency lighting function | |
CN201593685U (en) | Rechargeable electric torch and rechargeable base thereof | |
CN2899371Y (en) | Explosion-proof signal light | |
CN201779565U (en) | Automatically-controlled energy-saving LED illuminating lamp | |
CN206973301U (en) | A kind of multi-functional emergency lamp | |
CN201531801U (en) | LED streetlight | |
CN201827696U (en) | Emergency energy-saving lamp | |
CN205316117U (en) | LED fluorescent tube that can compatible electronic ballast | |
CN202085377U (en) | Novel emergency illumination electrodeless lamp | |
CN217216950U (en) | Electric connection structure of portable lamp | |
CN219999647U (en) | Maintenance small lamp based on AI voice recognition chip | |
CN104362970B (en) | A kind of energy-saving solar electric supply installation | |
CN114340093B (en) | Emergency lamp control circuit, emergency device and emergency lamp | |
CN220623848U (en) | Controllable LED light source board | |
CN216775075U (en) | Quick discharge circuit of LED drive power supply electrolytic capacitor | |
CN207201036U (en) | One kind switch indicating circuit | |
CN207099385U (en) | A kind of LED night lamp | |
CN203467043U (en) | Led emergency controller | |
CN203363721U (en) | Light emitting diode bulb lamp |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |