CN104966378B - LED acoustic-optic alarms - Google Patents
LED acoustic-optic alarms Download PDFInfo
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- CN104966378B CN104966378B CN201510322045.5A CN201510322045A CN104966378B CN 104966378 B CN104966378 B CN 104966378B CN 201510322045 A CN201510322045 A CN 201510322045A CN 104966378 B CN104966378 B CN 104966378B
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000006698 induction Effects 0.000 claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 6
- 230000003760 hair shine Effects 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 206010014357 Electric shock Diseases 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 206010057315 Daydreaming Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Alarm Devices (AREA)
Abstract
LED acoustic-optic alarms of the present invention belong to the technical field of electric power safety protection；The technical issues of solution is：There is provided one kind can make electric operating personnel avoid the LED acoustic-optic alarms of Danger Electric shock risk in danger zone operation；The technical solution used for：LED acoustic-optic alarms, including LED lamp cover, the bottom of the LED lamp cover is connected with pedestal, and the LED lamp cover includes shell, inner casing and reflector；The outer wall of the pedestal is equipped with：Power input connector and power switch, the pedestal are internally provided with sound light alarming circuit plate, and the top exterior walls of the pedestal shine lamp plate equipped with LED；The top of the inner casing is equipped with induction chip and loud speaker；The sound light alarming circuit plate includes：Power circuit, control circuit, booster circuit, voice alarm circuit and power input terminal A1；Suitable for power domain.
Description
Technical field
LED acoustic-optic alarms of the present invention belong to the technical field of electric power safety protection.
Background technology
In electric system, during to carrying out primary equipment maintenance in substation room, the operation adjacent with the equipment for needing to overhaul
Equipment is generally in electriferous state, and this kind of charged running equipment is known as " dangerous spot " in power system security production work；
For upkeep operation personnel is prevented to be strayed into the region, step on by mistake or touch charging equipment by mistake and cause the person and equipment breakdown, according to《State's household electrical appliances
Net company electric power safety working regulation power transformation part》7.5.3 the regulation of money works on high-tension apparatus indoors, should be in place of working
Point two is taken up in the cover bar or fence at opposite running equipment interval and is hung " only in the passageway cover bar or fence that no through traffic
Step, Keep Clear-High Voltage " nameplate, for warning upkeep operation personnel that must not enter charging zone, close to dangerous spot；But
In real work process, since operating personnel is absent-minded, operation is tired, upkeep operation easily occurs for the factors such as off one's guard
Personnel's mistakenly entering into charged region, close to dangerous spot, step on by mistake or touch charging equipment by mistake and trigger personal injury accident, threaten upkeep operation
The life security of personnel.
" although halting, Keep Clear-High Voltage " sign board can clearly circle working region and charging zone, word plane lattice
Formula seems not noticeable in the environment that equipment is more, personnel are miscellaneous, the maintenance Work tool sound is big, performs practically no function；Therefore, it is more to have
Effect warning charging zone is dangerous spot, and LED acoustic-optic alarms are just particularly important.
The content of the invention
The present invention overcomes the shortcomings of the prior art, and technical problem to be solved is：Electric power can be made by providing one kind
Industry personnel avoid the LED acoustic-optic alarms of Danger Electric shock risk in danger zone operation.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：LED acoustic-optic alarms, including LED light
Cover, the bottom of the LED lamp cover are connected with pedestal, and the LED lamp cover includes shell, inner casing and reflector；Outside the pedestal
It is provided with multiple first screw holes on wall, corresponding position is equipped with and is used in combination with the multiple first screw hole on the inner casing
Screw, the inner casing is fixed on by screw on pedestal；The lower end of the inner casing outer wall is equipped with expansion cushion rubber, and the shell leads to
Cross the outside that expansion cushion rubber is clamped on the inner casing；The upper end of the inner casing inner wall is equipped with card slot, and the reflector passes through card slot
It is closely connected with the inner wall of inner casing；It is additionally provided on the outer wall of the pedestal：Power input connector and power switch, the pedestal
It is internally provided with sound light alarming circuit plate, the top exterior walls of the pedestal shine lamp plate equipped with LED；The top of the inner casing is equipped with
Induction chip and loud speaker；The power input connector, power switch, induction chip, loud speaker and LED shine lamp plate and institute
Sound light alarming circuit plate is stated to be connected.
The sound light alarming circuit plate includes：Power circuit, control circuit, booster circuit, voice alarm circuit and power supply
Input terminal A1；The power circuit includes Charge Management unit, and the sound light alarming circuit plate includes：Switch K1, the liter
Volt circuit includes boosting unit, and the voice alarm circuit includes audio alert control unit；
The power circuit includes Charge Management unit, and the sound light alarming circuit plate includes：Switch K1, the boosting electricity
Road includes boosting unit, and the voice alarm circuit includes audio alert control unit；The power supply of the Charge Management unit is defeated
Enter to hold VCC to be connected with power input terminal A1, the battery terminal connections BAT of the Charge Management unit simultaneously connects short circuit overcurrent protection list
It is connected after the power positive end of member with one end of the switch K1 of sound light alarming circuit plate, the battery temperature inspection of the Charge Management unit
Survey input terminal TEMP and connect after the power supply negative terminal of short circuit overcurrent protection location with the power supply negative terminal of induction chip, the hair of triode T1
Emitter-base bandgap grading, the power supply negative terminal of boosting unit, the power supply negative terminal of audio alert control unit are connected with one end of capacitance C1, the short circuit
Between the power output end V- of the power output end V+ of over-current protecting unit and the short circuit overcurrent protection location and connect chargeable
Battery unit；Voltage input end J1.1 after the power positive end for switching the other end of K1 and connecing induction chip with relay J1
It is connected, the signal output part of the induction chip is connected with the base stage of triode T1, the collector and relay of the triode T1
The signal input part J1.2 of device J1 is connected, the control terminal J1.3 of the relay J1 and after connecing the power positive end of the boosting unit
It is connected with the power positive end of the audio alert control unit and the other end of capacitance C1, the signal output part of the boosting unit
Be connected with the LED lamp plates that shine, the control terminal of the audio alert control unit is connected with loud speaker, the power switch with it is described
Switch K1 in sound light alarming circuit plate is connected, and the power input connector is connected with power input terminal A1.
The bottom of the pedestal is equipped with annular magnet, and the annular magnet is fixed on iron plate, is set in the middle part of the iron plate
There is the second screw hole, the base top inner wall is equipped with the screw being used in combination with the second screw hole, and the iron plate passes through screw
It is fixed on pedestal；The top of the shell is equipped with round hole, and horn cover is equipped at the round hole.
The rechargeable cell be lithium battery, the induction chip be human body infrared induction chip, the relay
The model SRD-05VDC-SL-C, the model TP4056 of the Charge Management unit of J1.
The present invention has the advantages that compared with prior art：
1st, LED acoustic-optic alarms of the present invention are in real time monitored the location information of operating personnel by induction chip,
When operating personnel is close to dangerous operation region, induction chip sends a signal to sound light alarming circuit plate, sound light alarming circuit plate
It after handling signal, sends alarm signal and shines lamp plate and loud speaker to LED so that LED shines lamp plate and loud speaker point
Light flash signal and the audio alarm sound of " have electric dangerous, please don't be close " are not sent, remind operating personnel in time away from dangerous
Operating area can effectively prevent operating personnel's mistakenly entering into charged region, avoid that the personal injury for stepping on or touching by mistake charging equipment by mistake occurs,
Warning function is directly perceived, effective, highly practical.
2nd, the power supply circuit board in the present invention includes Charge Management unit, short circuit overcurrent protection location and rechargeable battery,
When equipment is in idle state, Charge Management unit charges to rechargeable battery, to ensure the present apparatus when in use
Electricity, meanwhile, short circuit overcurrent protection location can be monitored chargeable process, ensure the availability of rechargeable battery.
3rd, in the present invention, LED can be shone to inner casing by reflector by warning light reflection that lamp plate emits so that the present apparatus
Illumination effect is preferable, improves identification of the human eye to warning light.
4th, in the present invention, shell can play dust-proof, anticollision to inner casing and the induction chip being arranged on inner casing, loud speaker
Effect, the present apparatus is avoided to be stained caused by moving process.
5th, in the present invention, by the annular magnet being arranged on pedestal, scene is without additionally installing, you can by present apparatus side
Being fixed on ring main unit, opening the light on cabinet or other electric power facilities just, execute-in-place is flexible, convenient.
Description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the A-A sectional views of the present invention；
Fig. 3 is the electrical block diagram of the present invention；
In figure：1 is horn cover, and 2 be pedestal, and 3 be shell, and 4 be inner casing, and 5 be reflector, and 6 be the first screw hole, and 7 be expansion
Cushion rubber, 8 be power input connector, and 9 be power switch, and 10 be sound light alarming circuit plate, and 11 be induction chip, and 12 be loud speaker,
13 shine lamp plate for LED, and 14 be power circuit, and 15 circuits in order to control, 16 be booster circuit, and 17 be voice alarm circuit, and 18 are
Charge Management unit, 19 be boosting unit, and 20 be audio alert control unit, and 21 be short circuit overcurrent protection location, and 22 be that can fill
Electric battery unit, 23 be annular magnet, and 24 be iron plate, and 25 be the second screw hole, and 26 be card slot.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, LED acoustic-optic alarms, including LED lamp cover, the bottom of the LED lamp cover is connected with
Pedestal 2, the LED lamp cover include shell 3, inner casing 4 and reflector 5；Multiple first screw holes are provided on the outer wall of the pedestal 2
6, corresponding position is equipped with the screw being used in combination with the multiple first screw hole on the inner casing 4, and the inner casing 4 passes through
Screw is fixed on pedestal 2；The lower end of 4 outer wall of inner casing is equipped with expansion cushion rubber 7, and the shell 3 is by expanding 7 clamping of cushion rubber
In the outside of the inner casing 4；The upper end of 4 inner wall of inner casing is equipped with card slot 26, and the reflector 5 passes through card slot 26 and inner casing 4
Inner wall closely connect；It is additionally provided on the outer wall of the pedestal 2：Power input connector 8 and power switch 9, the pedestal 2 it is interior
Portion is equipped with sound light alarming circuit plate 10, and the top exterior walls of the pedestal 2 shine lamp plate 13 equipped with LED；The top of the inner casing 4
Equipped with induction chip 11 and loud speaker 12；The power input connector 8, power switch 9, induction chip 11, loud speaker 12 and LED
The lamp plate 13 that shines is connected with the sound light alarming circuit plate 10.
Specifically, the shell 3 is made of transparent plastics material, the housing color of the inner casing 4 for human eye identification compared with
High orange colour；When high-tension apparatus breaks down situation, first, electric operating personnel do not have a power failure simultaneously completely in faulty equipment
The present apparatus is arranged in beyond faulty equipment safe distance when performing safety measure, wherein：220kV safe distances for 3 meters,
110kV safe distances are 1.5 meters, 35kV safe distances are 1 meter, 10kV safe distances are 0.7 meter；Secondly, operating personnel opens
Power switch 9 makes the present apparatus in running order, and induction chip 11 is in real time monitored the location information of operating personnel, when
For operating personnel close to when not having a power failure completely or carrying out the faulty equipment region of safety measure, induction chip 11 sends a signal to control
Circuit 15 after control circuit 15 handles signal, sends alarm signal to booster circuit 16 and voice alarm circuit 17, rises
Volt circuit 16 and voice alarm circuit 17 are shone lamp plate 13 and loud speaker 12 by the LED being correspondingly connected with, and send light sudden strain of a muscle respectively
Bright signal and the audio alarm sound of " have electric dangerous, please don't be close ", remind operating personnel away from faulty equipment danger zone in time；
Further, after upkeep operation person works, operating personnel need to close the power switch 10 of the present apparatus,
And by the present apparatus deposit in ventilation, drying, room temperature condition checking experiment Work tool room charge it is spare；High-tension apparatus occurs
During ground connection, the present apparatus is arranged in beyond 4 meters of indoor distances trouble point, is arranged in beyond outdoor 8 meters of distance fault point, for reminding
All kinds of operating personnels are away from earth point danger zone.
In the present embodiment, the sound light alarming circuit plate 10 includes：Power circuit 14, control circuit 15, booster circuit 16,
Voice alarm circuit 17 and power input terminal A1, the induction chip 11, power circuit 14, booster circuit 16, audio alert
Circuit 17 is connected respectively with control circuit 15, and the power circuit 14 is connected with power input terminal A1；The power input connects
First 8 are connected with power input terminal A1, and the power switch 9 is connected with control circuit 15, and the LED shines lamp plate 13 with boosting
Circuit 16 is connected, and the loud speaker 12 is connected with voice alarm circuit 17；The power circuit 14 includes Charge Management unit 18,
The sound light alarming circuit plate 10 includes：K1 is switched, the booster circuit 16 includes boosting unit 19, the voice alarm circuit
17 include audio alert control unit 20；The power input VCC of the Charge Management unit 18 and power input terminal A1 phases
Even, the battery terminal connections BAT of the Charge Management unit 18 and connect after the power positive end of short circuit overcurrent protection location 21 with acousto-optic
One end of the switch K1 of warning circuit plate 10 is connected, and the battery temperature detection input TEMP of the Charge Management unit 18 simultaneously connects
It is single with the power supply negative terminal of induction chip 11, the emitter of triode T1, boosting after the power supply negative terminal of short circuit overcurrent protection location 21
First 19 power supply negative terminal, the power supply negative terminal of audio alert control unit 20 are connected with one end of capacitance C1, and the short circuit overcurrent is protected
It protects between the power output end V+ of unit 21 and the power output end V- of the short circuit overcurrent protection location 21 and connects chargeable electricity
Pool unit 22；Voltage input end after the power positive end for switching the other end of K1 and connecing induction chip 11 with relay J1
J1.1 is connected, and the signal output part of the induction chip 11 is connected with the base stage of triode T1, the collector of the triode T1
It is connected with the signal input part J1.2 of relay J1, the control terminal J1.3 of the relay J1 and the electricity for connecing the boosting unit 19
The other end after the anode of source with the power positive end of the audio alert control unit 20 and capacitance C1 is connected, the boosting unit 19
Signal output part and the LED lamp plate 13 that shines be connected, the control terminal of the audio alert control unit 20 is connected with loud speaker 12,
The power switch 9 is connected with the switch K1 in the sound light alarming circuit plate 10, the power input connector 8 and power input
Terminal A1 is connected.
Specifically, the bottom of the pedestal 2 is equipped with annular magnet 23, and the annular magnet 23 is fixed on iron plate 24, institute
The middle part for stating iron plate 24 is equipped with the second screw hole 25, and 2 top inner wall of pedestal is equipped with what is be used in combination with the second screw hole 25
Screw, the iron plate 24 are fixed on by screw on pedestal 2, and the top of the shell 3 is equipped with round hole, the round hole
Place is equipped with horn cover 1, by horn cover 1, improves the caution sound coverage that loud speaker 12 is sent.
Further, the rechargeable cell 22 is lithium battery, and the induction chip 11 is human body infrared induction core
Piece, the model SRD-05VDC-SL-C, the model TP4056 of the Charge Management unit 18 of the relay J1.
In the present embodiment, when the present apparatus is in idle state, power input terminal A1 is connected with external power supply module, makes
It obtains Charge Management unit 18 to charge to rechargeable cell 22, to ensure the electricity of the present apparatus when in use, short-circuit mistake
Stream protection location 21 can be monitored charging process, ensure the availability of rechargeable cell 22；When the present apparatus is using
When, Charge Management unit 18 is disconnected with external power supply module, and rechargeable cell 22 is powered whole device；This implementation
In example, the induction chip 11 may range from 3 to 5 meters to the location information probing of operating personnel.
LED acoustic-optic alarms of the present invention, providing one kind can make electric operating personnel avoid touching in danger zone operation
The LED warning devices of electric dangerous sound-light alarm, solve the problems, such as that operation process security is low, and the substance with protrusion is special
Point and significant progress, are explained in detail the embodiment of the present invention above in conjunction with attached drawing, but the present invention is not limited to upper
Embodiment is stated, it within the knowledge of a person skilled in the art, can also be before present inventive concept not be departed from
Put that various changes can be made.
Claims (5)
1.LED acoustic-optic alarms, it is characterised in that：Including LED lamp cover, the bottom of the LED lamp cover is connected with pedestal（2）,
The LED lamp cover includes shell（3）, inner casing（4）And reflector（5）；
The pedestal（2）Outer wall on be provided with multiple first screw holes（6）, the inner casing（4）The corresponding position in bottom is equipped with
The screw being used in combination with the multiple first screw hole, the inner casing（4）Pedestal is fixed on by screw（2）On；In described
Shell（4）The lower end of outer wall is equipped with expansion cushion rubber（7）, the shell（3）By expanding cushion rubber（7）It is clamped on the inner casing（4）'s
Outside；The inner casing（4）The upper end of inner wall is equipped with card slot（26）, the reflector（5）Pass through card slot（26）With inner casing（4）It is interior
Wall closely connects；
The pedestal（2）Outer wall on be additionally provided with：Power input connector（8）And power switch（9）, the pedestal（2）Inside
Equipped with sound light alarming circuit plate（10）, the pedestal（2）Top exterior walls shine lamp plate equipped with LED（13）；The inner casing（4）
Top be equipped with induction chip（11）And loud speaker（12）；The power input connector（8）, power switch（9）, induction chip
（11）, loud speaker（12）It shines lamp plate with LED（13）With the sound light alarming circuit plate（10）It is connected；
The pedestal（2）Bottom be equipped with annular magnet（23）, the annular magnet（23）It is fixed on iron plate（24）On, the iron
Piece（24）Middle part be equipped with the second screw hole（25）, the pedestal（2）Top inner wall is equipped with and the second screw hole（25）Being engaged makes
Screw, the iron plate（24）Pedestal is fixed on by screw（2）On；
The shell（3）Top be equipped with round hole, horn cover is equipped at the round hole（1）；
The sound light alarming circuit plate（10）Including：Power circuit（14）, control circuit（15）, booster circuit（16）, voice reporting
Alert circuit（17）With power input terminal A1；The power circuit（14）Including Charge Management unit（18）, the sound-light alarm
Circuit board（10）Including：Switch K1, the booster circuit（16）Including boosting unit（19）, the voice alarm circuit（17）Bag
Include audio alert control unit（20）；
The Charge Management unit（18）Power input VCC be connected with power input terminal A1, the Charge Management unit
（18）Battery terminal connections BAT and connect short circuit overcurrent protection location（21）Power positive end after with sound light alarming circuit plate（10）'s
One end of switch K1 is connected, the Charge Management unit（18）Battery temperature detection input TEMP and connect short circuit overcurrent protection
Unit（21）Power supply negative terminal after with induction chip（11）Power supply negative terminal, emitter, the boosting unit of triode T1（19）'s
Power supply negative terminal, audio alert control unit（20）Power supply negative terminal be connected with one end of capacitance C1, short circuit overcurrent protection is single
Member（21）Power output end V+ and the short circuit overcurrent protection location（21）Power output end V- between and connect chargeable electricity
Pool unit（22）；The other end of the switch K1 simultaneously connects induction chip（11）Power positive end after control source with relay J1
End J1.1 is connected, the induction chip（11）Signal output part be connected with the base stage of triode T1, the collection of the triode T1
Electrode is connected with the signal input part J1.2 of relay J1, and the control terminal J1.3 of the relay J1 simultaneously connects the boosting unit
（19）Power positive end after with the audio alert control unit（20）Power positive end be connected with the other end of capacitance C1, it is described
Boosting unit（19）Signal output part and LED shine lamp plate（13）It is connected, the audio alert control unit（20）Control
End and loud speaker（12）It is connected, the power switch（9）With the sound light alarming circuit plate（10）In switch K1 be connected, it is described
Power input connector（8）It is connected with power input terminal A1.
2. LED acoustic-optic alarms according to claim 1, it is characterised in that：The rechargeable cell（22）For
Lithium battery.
3. LED acoustic-optic alarms according to claim 1 or 2, it is characterised in that：The induction chip（11）For human body
Infrared induction chip.
4. LED acoustic-optic alarms according to claim 1, it is characterised in that：The model SRD- of the relay J1
05VDC-SL-C。
5. LED acoustic-optic alarms according to claim 1, it is characterised in that：The Charge Management unit（18）Type
Number be TP4056.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322045.5A CN104966378B (en) | 2015-06-12 | 2015-06-12 | LED acoustic-optic alarms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322045.5A CN104966378B (en) | 2015-06-12 | 2015-06-12 | LED acoustic-optic alarms |
Publications (2)
| Publication Number | Publication Date |
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| CN104966378A CN104966378A (en) | 2015-10-07 |
| CN104966378B true CN104966378B (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510322045.5A Active CN104966378B (en) | 2015-06-12 | 2015-06-12 | LED acoustic-optic alarms |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111476958A (en) * | 2019-01-23 | 2020-07-31 | 上海健康医学院 | A distress device for disaster is saved oneself |
| CN111476957A (en) * | 2019-01-23 | 2020-07-31 | 上海健康医学院 | A distress device for disaster is saved oneself |
| CN110307522B (en) * | 2019-06-25 | 2020-05-22 | 江苏江淮动力有限公司 | Double-start control device of diesel generating set |
| CN110363943A (en) * | 2019-08-19 | 2019-10-22 | 北京讯腾智慧科技股份有限公司 | Phonetic warning lamp and alarming method for power based on it |
| CN113470305A (en) * | 2021-06-17 | 2021-10-01 | 陈虹全 | Magnetic attraction type safe direct-current wireless explosion-proof alarm |
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| CN203868712U (en) * | 2014-05-19 | 2014-10-08 | 国家电网公司 | All-angle portable and safe lighting device |
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| KR200444161Y1 (en) * | 2008-08-28 | 2009-04-17 | 주식회사 파로스이앤지 | A lighthouse lighting device |
| CN101746398A (en) * | 2008-12-01 | 2010-06-23 | 海洋王照明科技股份有限公司 | Portable combined aural and visual alarm |
| CN103617696A (en) * | 2013-11-12 | 2014-03-05 | 国家电网公司 | Passing solar warning lamp for power overhead line |
| CN203743908U (en) * | 2013-12-30 | 2014-07-30 | 上海天逸电器有限公司 | Warning lamp with light reflection hood |
| CN203839928U (en) * | 2014-04-24 | 2014-09-17 | 深圳市赛科龙电源科技有限公司 | Lithium battery protection circuit |
| CN204066333U (en) * | 2014-08-07 | 2014-12-31 | 牛国强 | Infrared thermal release electric secure voice warning device |
| CN104464182A (en) * | 2014-11-10 | 2015-03-25 | 国家电网公司 | Hazardous area infrared ray alarm system |
| CN204345335U (en) * | 2014-12-30 | 2015-05-20 | 宁波甬城配电网建设有限公司 | A kind of alarm lamp |
| CN204719924U (en) * | 2015-06-12 | 2015-10-21 | 国家电网公司 | A kind of LED acoustic-optic alarm |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202946981U (en) * | 2012-12-06 | 2013-05-22 | 广州盛普投资管理有限公司 | Novel LED (light-emitting diode) lamp |
| CN203868712U (en) * | 2014-05-19 | 2014-10-08 | 国家电网公司 | All-angle portable and safe lighting device |
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| Publication number | Publication date |
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| CN104966378A (en) | 2015-10-07 |
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