CN209213674U - LED emergency bread lamp - Google Patents
LED emergency bread lamp Download PDFInfo
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- CN209213674U CN209213674U CN201821492848.0U CN201821492848U CN209213674U CN 209213674 U CN209213674 U CN 209213674U CN 201821492848 U CN201821492848 U CN 201821492848U CN 209213674 U CN209213674 U CN 209213674U
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Abstract
LED emergency bread lamp and detection method, the emergency bread lamp include lamp body shell, LED module, driving mould group and alarm mould group, and lamp body shell includes bottom case, lampshade and connection suspender belt；One end of the connection suspender belt is connected with bottom case inner face, and the other end is connected with the inner face of lampshade；The LED module includes middle plate, substrate and LED light bar；The driving mould group includes driver, connector assembly and emergency cell；The alarm mould group includes buzzer, discoloration indicator light and memory；The detection method includes: 1) fault alarm；2) monthly test/annual test；3) discharge test is simulated.The beneficial effects of the utility model are: not needing for lampshade to be detached from lamp holder completely when dismounting, installation or maintenance work can be completed, it is easy to operate；Maintenance operation can be simplified from fault type is surveyed；Lamps and lanterns can be always on emergency lighting when instruction and power-off, and the time of emergency lighting can be fully achieved in the discharge time > of emergency 5 hours.
Description
Technical field
The utility model relates to a kind of LED emergency bread lamps.
Background technique
As LED lamp constantly promotes the application with technology, MCU self-test function LED emergency bread lamp consumption on the market
Electricity is less, the service life is long, the emergency lighting time is long, easy to control, non-maintaining, safety and environmental protection, this emergency exit indicating lamp colour temperature (3000K,
4000K, 5000K) it is replaced according to environment use condition, also it is widely used hotel, office, megastore and basement etc.
The use of indoor emergency illuminator.It is slightly higher than original fluorescent tube lamps and lanterns in terms of cost, it is risen in the LED lamp marketization
To prior factor, to improve the convenience that assembly improves assembly efficiency and installation, also restriction MCU self-test function LED meets an urgent need
The functional diversities of bread lamp；In addition, lamps and lanterns dismount when need lampshade is completely separable with lamp holder, it is inconvenient for operation；And go out
Which kind of failure can not be measured when existing failure, certain difficulty is caused to maintenance, in use process, the performance of lamps and lanterns can not also be carried out
Detection.
Summary of the invention
To solve the above-mentioned problems, the utility model proposes do not need completely to lift down lampshade when a kind of dismounting, can
With the LED emergency bread lamp for detecting fault type and being detected to the performance of lamps and lanterns.
LED emergency bread lamp described in the utility model, it is characterised in that: including lamp body shell, LED module, driving
Mould group and alarm mould group, the lamp body shell include that bottom case, lampshade and connection suspender belt, the bottom case outer end face are equipped with for solid
Mounting portion on mounting surface；The lampshade is detachably connected with bottom case inner face, and the two is surrounded for accommodating LED module
Seal installation cavity；One end of the connection suspender belt is connected with bottom case inner face, and the other end is connected with the inner face of lampshade；It is described
LED module includes middle plate, substrate and LED light bar, and the middle plate is mated formation in the inner face of lampshade, and substrate is packed in middle plate table
Face, and LED light bar is installed on substrate；The driving mould group includes driver, connector assembly and emergency cell, the driving
The signal output end of device is electrically connected with the control terminal of the LED module；The sending end of the driver and emergency cell electricity
Connection, the driver are equipped with for the connector assembly with extraneous power electric connection, and extraneous power supply is staggered the time with emergency cell
LED module works normally when conducting is to guarantee power-off and exception；The alarm mould group includes buzzer, discoloration indicator light and deposits
Reservoir, wherein buzzer and indicator light are mounted in lamp body shell, and the signal of the signal input part of buzzer, indicator light is defeated
Enter end signal output end electrical connection corresponding with driver respectively.
The LED light bar is axially connected to substrate surface along lamp body shell.
The connector assembly includes connecting terminal and wiring mounting base, and the connecting terminal is packed in by wiring mounting base
Actuator surface, the signal input part of connecting terminal are electrically connected with the signal output end of driver, the signal output of connecting terminal
End and the power-line plug of extraneous power supply connect；Wiring mounting base is equipped with insert corresponding with the binding post of connecting terminal
Hole is connected for realizing the power-line plug of binding post and extraneous power supply to realize leading for extraneous power supply and connecting terminal
It is logical.
The driver includes for controlling the emergency driving module of LED light bar emergency lighting, normal for controlling LED light bar
Bright is always on indicating module, the power supply module for controlling power supply mode, for detecting LED light bar and emergency cell performance ginseng
Several detection modules and the alarm module for controlling detection alarm mould group work；The signal of the emergency driving module exports
End, the signal output end for being always on indicating module are electrically connected with the control terminal of LED light bar respectively；The emergency driving module
Control terminal and the control terminal for being always on indicating module are electrically connected with the signal input part of the power supply module respectively, the confession
The signal output end of electric module is electrically connected with the connecting pin of the feeder ear of the emergency power supply, connector assembly respectively, described in realization
It is connected between emergency driving module and the emergency power supply, described be always between indicating module and the power supply is connected to, and protects
It demonstrate,proves the emergency power supply and extraneous power supply is staggered the time conducting；The detection module includes for testing the bright of LED module light luminance
Spend meter, the battery life detection circuit for measuring the emergency power supply service life and for detecting whether LED light bar normally alarms
Circuit, luminance meter are arranged in lamp body housing cavity, for acquiring the light intensity of LED light bar；The battery life detection circuit
Signal input part be electrically connected with emergency cell；Signal output end, the signal of battery life detection circuit of the luminance meter are defeated
Outlet is electrically connected with the signal input part of warning circuit signal output end corresponding with the controller respectively；The alarm electricity
The signal output end on road is electrically connected with control terminal, the control terminal of the buzzer of the discoloration indicator light respectively.
The driver further includes the test module for testing battery discharge situation, including test switch and test electricity
Road, wherein test switch is inlaid on the lamp body shell, the test switch accesses the test circuit by conducting wire
In, for controlling the on-off of test circuit；The signal output end of test circuit is connected with the emergency cell, for corresponding to urgent telegram
Pond carries out discharge test.
The edge that the bottom case is contacted with lampshade is embedded in water-proof strip, for realizing the sealing of bottom case and lampshade.
The detection method that the LED emergency bread lamp stated using the utility model is detected, comprising the following steps:
1) fault alarm: opening LED emergency bread lamp, and LED light bar is always under normal circumstances, and detection module starts work at this time
Make, if detecting failure, the indicator light that changes colour flashing, buzzer issues alarm；User according to discoloration indicator light color
And the sound length that buzzer issues judges fault type, and normal main electric working condition, i.e. LED lamp are returned to after troubleshooting
Item holding is always on；
2) monthly test/annual test: the time that monthly test and annual test are carried out to the service life of lamps and lanterns is set, to after setting time
Detection module automatically into monthly test/annual test mode, in lamps and lanterns LED lamp bar and emergency cell detect, wherein also wrapping
Include installation after test performance at any time, and will test result be transmitted to memory record and achieve, with grasp lamps and lanterns performance and
Service life；If breaking down under monthly test/annual test mode, mould group of alarming is started to work, and user is according to discoloration indicator light
Color and the sound length that issues of buzzer judge fault type, normal main electricity working condition is returned to after troubleshooting；
3) it simulates discharge test: pressing test switch, buzzer rings a sound, into battery discharge test mode, LED at this time
Lamp bar is lit, and discoloration indicator light becomes blue, then by test switch, exits battery discharge test function, is returned and is worked normally
State.
Such as detection method described in the utility model, it is characterised in that: the fault alarm mode in step 1) is as follows:
(1) any load light source short circuit: discoloration indicator light turns yellow, and with the flashing of 1Hz frequency, buzzer yowls
One sound, subsequent every 45S are rung once, and normal main electric working condition is returned to after troubleshooting；
(2) any load light source open circuit: discoloration indicator light turns yellow, and with the flashing of 1Hz frequency, buzzer yowls
One sound, subsequent every 45S are rung once, and normal main electric working condition is returned to after troubleshooting；
(3) battery short circuit: discoloration indicator light is become red, and is flashed with 1Hz frequency, buzzer one sound of yowl, after
Continue every 45S to ring once, normal main electric working condition is returned to after troubleshooting；
(4) battery open circuit: discoloration indicator light is become red, and is flashed with 1Hz frequency, buzzer one sound of yowl, after
Continue every 45S to ring once, normal main electric working condition is returned to after troubleshooting.
Such as detection method described in the utility model, it is characterised in that: the fault alarm mode in step 2) is as follows:
1. any load light source short circuit: exiting monthly test/annual test, discoloration indicator light turns yellow, and with the sudden strain of a muscle of 1Hz frequency
It sparkles, buzzer one sound of yowl, is rung once in subsequent every 45S, normal main electricity working condition is returned to after troubleshooting；
2. any load light source open circuit: exiting monthly test/annual test, discoloration indicator light turns yellow, and with the sudden strain of a muscle of 1Hz frequency
It sparkles, buzzer one sound of yowl, is rung once in subsequent every 45S, normal main electricity working condition is returned to after troubleshooting；
3. battery short circuit: exiting monthly test/annual test, discoloration indicator light becomes red, and with the flashing of 1Hz frequency, buzzing
Device one sound of yowl, subsequent every 45S are rung once, and normal main electric working condition is returned to after troubleshooting；
4. battery open circuit: exiting monthly test/annual test, discoloration indicator light becomes red, and with the flashing of 1Hz frequency, buzzing
Device one sound of yowl, subsequent every 45S are rung once, and normal main electric working condition is returned to after troubleshooting；
5. battery is abnormal (containing over-discharge): since battery causes not enough power supply extremely, 10 second, years are not achieved in the monthly test working time
The inspection working time, discoloration indicator light became blue, and with 1Hz frequency scintillation when being not achieved 180 minutes, and buzzer yowls a sound,
Subsequent every 45S is rung once, and normal main electric working condition can just be returned to by re-powering after palpus disconnection alternating current.
It does not need for lampshade to be detached from lamp holder completely when the beneficial effects of the utility model are: 1) dismounting, peace can be completed
Dress or maintenance work, it is easy to operate；
2) maintenance operation can be simplified from fault type is surveyed；
3) emergency lighting when lamps and lanterns can be always on instruction and power off, the discharge time > of emergency 5 hours can be fully achieved
The time of emergency lighting.
Detailed description of the invention
Fig. 1 is the explosive view of the utility model.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawing.
Referring to attached drawing:
The LED emergency bread lamp described in the utility model of embodiment 1, including lamp body shell 1, LED module 2, driving mould
Group 3 and alarm mould group 4, the lamp body shell 1 include bottom case 11, lampshade 12 and connection suspender belt 13,11 outer end face of bottom case
Equipped with the mounting portion for being packed on mounting surface；The lampshade 12 is detachably connected with 11 inner face of bottom case, and the two surrounds use
In the sealing installation cavity for accommodating LED module；One end of the connection suspender belt 13 is connected with bottom case inner face, the other end and lampshade 12
Inner face be connected；The LED module 2 includes middle plate 21, substrate 22 and LED light bar 23, and the middle plate 21 is mated formation in lampshade
12 inner face, substrate 22 is packed in middle 21 surface of plate, and the installation of LED light bar 23 is on substrate 22；The driving mould group 3 includes
Driver 31, connector assembly 32 and emergency cell 33, the control of the signal output end of the driver 31 and the LED module 2
End electrical connection processed；The sending end of the driver 31 is electrically connected with the emergency cell 33, and the driver 31 is equipped with and is used for
With the connector assembly 32 of extraneous power electric connection, and extraneous power supply and emergency cell stagger the time conducting with guarantee power-off and it is abnormal when
LED module works normally；The alarm mould group 4 includes buzzer 41, change colour indicator light 42 and memory, wherein buzzer 41
It is mounted in lamp body shell with discoloration indicator light 42, and the signal of the signal input part of buzzer 41, the indicator light 42 that changes colour is defeated
Enter end signal output end electrical connection corresponding with driver 31 respectively.
The LED light bar 23 is axially connected to substrate surface along lamp body shell.
The connector assembly 32 includes connecting terminal and wiring mounting base, and the connecting terminal is fixedly mounted with by wiring mounting base
It is electrically connected in the signal input part of actuator surface, connecting terminal with the signal output end of driver 31, the signal of connecting terminal
The power-line plug of output end and extraneous power supply connects；Wiring mounting base is equipped with corresponding with the binding post of connecting terminal
Jack is connected for realizing the power-line plug of binding post and extraneous power supply to realize leading for extraneous power supply and connecting terminal
It is logical.
The driver 3 includes for controlling the emergency driving module of LED light bar emergency lighting, for controlling LED light bar
What is be always on is always on indicating module, the power supply module for controlling power supply mode, for detecting LED light bar and emergency cell performance
The detection module of parameter and the alarm module to work for controlling detection alarm mould group；The signal of the emergency driving module is defeated
Outlet, the signal output end for being always on indicating module are electrically connected with the control terminal of LED light bar respectively；The emergency driving module
Control terminal and the control terminal for being always on indicating module be electrically connected respectively with the signal input part of the power supply module, it is described
The signal output end of power supply module is electrically connected with the connecting pin of the feeder ear of the emergency power supply, connector assembly respectively, realizes institute
It states and is connected between emergency driving module and the emergency power supply, described be always between indicating module and the power supply is connected to,
Guarantee that the emergency power supply and extraneous power supply are staggered the time conducting；The detection module includes for testing LED module light luminance
Luminance meter, the battery life detection circuit for measuring the emergency power supply service life and for detecting whether LED light bar is normally reported
Alert circuit, luminance meter are arranged in lamp body housing cavity, for acquiring the light intensity of LED light bar；The battery life detection electricity
The signal input part on road is electrically connected with emergency cell；The signal of the signal output end of the luminance meter, battery life detection circuit
Output end is electrically connected with the signal input part of warning circuit signal output end corresponding with the controller respectively；The alarm
The signal output end of circuit is electrically connected with control terminal, the control terminal of the buzzer of the discoloration indicator light respectively.
The driver 31 further includes the test module for testing battery discharge situation, including test switch and test electricity
Road, wherein test switch is inlaid on the lamp body shell, the test switch accesses the test circuit by conducting wire
In, for controlling the on-off of test circuit；The signal output end of test circuit is connected with the emergency cell, for corresponding to urgent telegram
Pond carries out discharge test, wherein the setting of test switch is in 11 outside of bottom case.
The edge that the bottom case 11 is contacted with lampshade is embedded in water-proof strip 111, for realizing the sealing of bottom case and lampshade.
In 2 the utility model of embodiment: the middle plate 21 is combined with substrate 22, and the bottom case 11 is equipped with the water-proof strip of concave
111, bottom case 11 is fixed by screw 112 with the lampshade for tipping upside down on surface, plays the effect of IP65；21 surface of middle plate is caught in
Emergency cell (lithium battery) 33, this battery performance and service life are substantially higher than common battery；The driver 31 has wiring group
Part 21, and combined with middle plate 21, the two surrounds the installation cavity for accommodating LED module, and the substrate in LED module is aluminum substrate,
And light source board is formed with the LED light bar mated formation on it, and light source board is laid in installation cavity, and play by guide-lighting material
Luminous is uniform, can uniformly go out the effect of light instruction；And the LED light is kept to be always on；The control terminal of the driver 31 is distinguished
It is electrically connected with the external power supply with extraneous switch 312 and the emergency cell 7, and extraneous power supply and emergency cell are staggered the time conducting,
Wherein extraneous switch 312 is as the switch for usually testing, testing battery monthly test, annual test, and usually power-off can play emergency automatically
Effect.
The plate body inner surface of the driver 31 adds connector assembly 32, and the connecting terminal of the connector assembly 32 can be straight
It patches into input electric wire.
The working principle of the utility model is: working as outside when LED emergency bread lamp is the instruction just frequently as extra exit
When power-off, emergency cell is powered to driver, is guaranteed that LED light is always on, is played the function of emergency lighting.
Emergency conversion function: in alternating current instant cut-off, system is transferred to battery-powered state automatically.
Cover surface is equipped with green direction board, and green direction board can be puted up according to the direction of installation, and abnormal or
It is illuminated at five more than hour in the case where power-off, and the emergency for being able to maintain illumination goes to useful effect.
The lamps and lanterns can be mounted on any safe emergency exit.
The detection method that the LED emergency bread lamp that embodiment 3 is stated using the utility model is detected, including following step
It is rapid:
1) fault alarm: opening LED emergency bread lamp, and LED light bar is always under normal circumstances, and detection module starts work at this time
Make, if detecting failure, the indicator light that changes colour flashing, buzzer issues alarm；User according to discoloration indicator light color
And the sound length that buzzer issues judges fault type, and normal main electric working condition, i.e. LED lamp are returned to after troubleshooting
Item holding is always on；
2) monthly test/annual test: the time that monthly test and annual test are carried out to the service life of lamps and lanterns is set, to after setting time
Detection module automatically into monthly test/annual test mode, in lamps and lanterns LED lamp bar and emergency cell detect, wherein also wrapping
Include installation after test performance at any time, and will test result be transmitted to memory record and achieve, with grasp lamps and lanterns performance and
Service life；If breaking down under monthly test/annual test mode, mould group of alarming is started to work, and user is according to discoloration indicator light
Color and the sound length that issues of buzzer judge fault type, normal main electricity working condition is returned to after troubleshooting；
3) it simulates discharge test: pressing test switch, buzzer rings a sound, into battery discharge test mode, LED at this time
Lamp bar is lit, and discoloration indicator light becomes blue, then by test switch, exits battery discharge test function, is returned and is worked normally
State.
Such as detection method described in the utility model, it is characterised in that: the fault alarm mode in step 1) is as follows:
(1) any load light source short circuit: discoloration indicator light turns yellow, and with the flashing of 1Hz frequency, buzzer yowls
One sound, subsequent every 45S are rung once, and normal main electric working condition is returned to after troubleshooting；
(2) any load light source open circuit: discoloration indicator light turns yellow, and with the flashing of 1Hz frequency, buzzer yowls
One sound, subsequent every 45S are rung once, and normal main electric working condition is returned to after troubleshooting；
(3) battery short circuit: discoloration indicator light is become red, and is flashed with 1Hz frequency, buzzer one sound of yowl, after
Continue every 45S to ring once, normal main electric working condition is returned to after troubleshooting；
(4) battery open circuit: discoloration indicator light is become red, and is flashed with 1Hz frequency, buzzer one sound of yowl, after
Continue every 45S to ring once, normal main electric working condition is returned to after troubleshooting.
Such as detection method described in the utility model, it is characterised in that: the fault alarm mode in step 2) is as follows:
1. any load light source short circuit: exiting monthly test/annual test, discoloration indicator light turns yellow, and with the sudden strain of a muscle of 1Hz frequency
It sparkles, buzzer one sound of yowl, is rung once in subsequent every 45S, normal main electricity working condition is returned to after troubleshooting；
2. any load light source open circuit: exiting monthly test/annual test, discoloration indicator light turns yellow, and with the sudden strain of a muscle of 1Hz frequency
It sparkles, buzzer one sound of yowl, is rung once in subsequent every 45S, normal main electricity working condition is returned to after troubleshooting；
3. battery short circuit: exiting monthly test/annual test, discoloration indicator light becomes red, and with the flashing of 1Hz frequency, buzzing
Device one sound of yowl, subsequent every 45S are rung once, and normal main electric working condition is returned to after troubleshooting；
4. battery open circuit: exiting monthly test/annual test, discoloration indicator light becomes red, and with the flashing of 1Hz frequency, buzzing
Device one sound of yowl, subsequent every 45S are rung once, and normal main electric working condition is returned to after troubleshooting；
5. battery is abnormal (containing over-discharge): since battery causes not enough power supply extremely, 10 second, years are not achieved in the monthly test working time
The inspection working time, discoloration indicator light became blue, and with 1Hz frequency scintillation when being not achieved 180 minutes, and buzzer yowls a sound,
Subsequent every 45S is rung once, and normal main electric working condition can just be returned to by re-powering after palpus disconnection alternating current.
Content described in this specification embodiment is only an enumeration of the implementation forms of the utility model concept, this is practical new
The protection scope of type should not be construed as being limited to the specific forms stated in the embodiments, and the protection scope of the utility model is also wrapped
Include those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (5)
1.LED emergency bread lamp, it is characterised in that: described including lamp body shell, LED module, driving mould group and alarm mould group
Lamp body shell includes that bottom case, lampshade and connection suspender belt, the bottom case outer end face are equipped with the mounting portion for being packed on mounting surface；
The lampshade is detachably connected with bottom case inner face, and the two surrounds the sealing installation cavity for accommodating LED module；The connection is hung
One end of band is connected with bottom case inner face, and the other end is connected with the inner face of lampshade；The LED module include middle plate, substrate with
And LED light bar, the middle plate are mated formation in the inner face of lampshade, substrate is packed in middle plate surface, and LED light bar is mounted on substrate
On；The driving mould group includes driver, connector assembly and emergency cell, the signal output end of the driver with it is described
The control terminal of LED module is electrically connected；The sending end of the driver is electrically connected with the emergency cell, and the driver is equipped with
For the connector assembly with extraneous power electric connection, and extraneous power supply and emergency cell are staggered the time when being connected to guarantee power-off and exception
LED module works normally；The alarm mould group includes buzzer, discoloration indicator light and memory, wherein buzzer and instruction
Lamp is mounted in lamp body shell, and the signal input part of the signal input part of buzzer, indicator light is corresponding to driver respectively
Signal output end electrical connection.
The bread lamp 2. LED as described in claim 1 meets an urgent need, it is characterised in that: the LED light bar is axially clamped along lamp body shell
In substrate surface.
The bread lamp 3. LED as described in claim 1 meets an urgent need, it is characterised in that: the connector assembly includes connecting terminal and connects
Line mounting base, the connecting terminal are packed in actuator surface, the signal input part of connecting terminal and drive by wiring mounting base
The power-line plug of the signal output end electrical connection of dynamic device, the signal output end of connecting terminal and extraneous power supply connects；It connects
Line mounting base is equipped with jack corresponding with the binding post of connecting terminal, and the power supply line for realizing binding post and extraneous power supply is inserted
Head connects the conducting to realize extraneous power supply and connecting terminal.
The bread lamp 4. LED as described in claim 1 meets an urgent need, it is characterised in that: the driver includes for controlling LED light bar
The emergency driving module of emergency lighting, for control that LED light bar is always on be always on indicating module, the confession for controlling power supply mode
Electric module, the detection module for detecting LED light bar and emergency cell performance parameter and for control detection alarm mould group
The alarm module of work；The signal output end of the emergency driving module, the signal output end difference for being always on indicating module
It is electrically connected with the control terminal of LED light bar；The control terminal of the emergency driving module and the control terminal for being always on indicating module
It is electrically connected respectively with the signal input part of the power supply module, the signal output end of the power supply module answers urgent telegram with described respectively
The connecting pin electrical connection of the feeder ear, connector assembly in pond, realizes and is connected between the emergency driving module and the emergency cell,
Described be always between indicating module and the power supply module is connected to, and guarantees that the emergency cell and extraneous power supply are staggered the time conducting；Institute
State detection module include for testing the luminance meter of LED module light luminance, the battery life for measuring the emergency cell service life
Detection circuit and for detecting the whether normal warning circuit of LED light bar, luminance meter is arranged in lamp body housing cavity, for adopting
Collect the light intensity of LED light bar；The signal input part of the battery life detection circuit is electrically connected with emergency cell；The brightness
The signal output end of meter, battery life detection circuit signal output end respectively with the signal input part of the warning circuit and control
The corresponding signal output end of device processed is electrically connected；The control with the discoloration indicator light respectively of the signal output end of the warning circuit
The control terminal electrical connection at end, the buzzer.
The bread lamp 5. LED as described in claim 1 meets an urgent need, it is characterised in that: the driver further includes for testing battery
The test module of discharge scenario, including test switch and test circuit, wherein test switch is inlaid in the lamp body shell
On, the test switch is accessed in the test circuit by conducting wire, for controlling the on-off of test circuit；Test the letter of circuit
Number output end is connected with the emergency cell, for carrying out discharge test to emergency cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821492848.0U CN209213674U (en) | 2018-09-12 | 2018-09-12 | LED emergency bread lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821492848.0U CN209213674U (en) | 2018-09-12 | 2018-09-12 | LED emergency bread lamp |
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| Publication Number | Publication Date |
|---|---|
| CN209213674U true CN209213674U (en) | 2019-08-06 |
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| CN201821492848.0U Active CN209213674U (en) | 2018-09-12 | 2018-09-12 | LED emergency bread lamp |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140346A (en) * | 2018-09-12 | 2019-01-04 | 宁波甬光照明电器有限公司 | LED emergency bread lamp and detection method |
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2018
- 2018-09-12 CN CN201821492848.0U patent/CN209213674U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140346A (en) * | 2018-09-12 | 2019-01-04 | 宁波甬光照明电器有限公司 | LED emergency bread lamp and detection method |
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