CN105240779A - Floodlighting suite of warehouse electric forklift - Google Patents
Floodlighting suite of warehouse electric forklift Download PDFInfo
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- CN105240779A CN105240779A CN201510661559.3A CN201510661559A CN105240779A CN 105240779 A CN105240779 A CN 105240779A CN 201510661559 A CN201510661559 A CN 201510661559A CN 105240779 A CN105240779 A CN 105240779A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses a floodlighting suite of a warehouse electric forklift. The floodlighting suite comprises an electric forklift storage battery module (1), an intelligent voice sensor (5) (which is provided with a dry battery and independently runs) and a lamp remote controller (7). The electric forklift storage battery module (1) is connected with a movable illumination lamp power transformation module (3) through a closed control switch (2). The movable illumination lamp power transformation module (3) is connected with a full-automatic electric self-cruising slide rail platform (4) and a self-suction type remote control floodlight set (5). The lamp remote controller (7) is used in cooperation with the self-suction type remote control floodlight set (5) for controlling the self-suction type remote control floodlight set (5) to work through radio. The floodlighting suite is high in illumination intensity, convenient and flexible to move, low in use expense, high in cruising power and high in safety, and the illumination angle can be freely regulated.
Description
Technical field:
The present invention relates to a kind of warehouse electri forklift floodlighting external member, be widely used in warehouse emergency lighting, belong to daily management Work tool field, warehouse.
Background technology:
Large-scale material depot generally all can install that high-power illumination facility is open storage ground, provide night illumination inside and outside storehouse, but reservoir area area is larger, only rely on warehouse to have lighting installation to throw light on, subregion illumination intensity can be there is inadequate, or problems such as forming illumination shadow region affect delivery of goods and materials at night because the object such as storehouse, goods stops; In modern warehouse, goods and materials mainly leave on storage rack, use fork truck to carry out the handling of goods and materials from shelf, be very meticulous warehousing and storage activities, particularly harsh to the requirement of illumination, illuminance is not good, the goods and materials efficiency of loading and unloading and precision will be reduced greatly, even may cause security incident.
Common emergent floodlighting car is generally made up of generating set, light fixture, lamp stand, though emergency lighting can be provided for the not good region of illumination, but car body is heavier, mobile inconvenient, need other vehicles to draw and move, and cannot according to truck driver requirement, fast and accurate location needs irradiation area, the lighting requirement of the meticulous handling operations such as handling shelf goods and materials cannot be met, generating set uses, safeguards in addition, upkeep cost is high, be unfavorable for that enterprise falls this section and props up.
Electri forklift is the main tool of warehouse handling goods and materials, and while using as handling instrument, it is large that it also has battery capacity, and fast mobile, turn to feature flexibly, above feature is not fully utilized in routine use.
Summary of the invention:
The object of the invention is to overcome the deficiency of above-mentioned prior art and provide that a kind of intensity of illumination used in conjunction with warehouse electri forklift is high, conveniently moving is flexible, irradiating angle arbitrarily adjusts, cost of use is low, flying power is strong, the warehouse electri forklift floodlighting external member of high safety.
Object of the present invention can be reached by following measure: a kind of warehouse electri forklift floodlighting external member, it comprises electri forklift battery module, intelligent sound inductor, lamp remote controller, it is characterized in that electri forklift battery module connects mobile illuminating lamp power transformation module by Closed control switch, mobile illuminating lamp power transformation module connects full-automatic electric respectively from cruising slide rail platform and self-priming remote control floodlight group, and lamp remote controller and self-priming remote control floodlight group match;
Mobile illuminating lamp power transformation module comprises the one chip microcomputer control unit that STC12C2052 is formed, one chip microcomputer control unit connects battery undervoltage feedback module respectively, power supply management control unit, DC48-DC5V power module, controllable frequency generators, temperature protection feedback circuit, waveform feedback circuit, axial flow blower heat radiation unit, battery undervoltage feeds back electric model calling 48V battery pack, power supply management control unit connects AC220 power supply circuits respectively, 48V battery pack, wave filter, wave filter connects DC48-DC5V power module respectively, square-wave generator, DC48-DC5V power module connects controllable frequency generators, controllable frequency generators connects square-wave generator, square-wave generator connects temperature protection feedback module respectively, Transformer Winding, Transformer Winding connects waveform feedback circuit module respectively, external loading or jack interface, AC220 power supply circuits, 48V battery pack is connected with external AC 220V input, external loading or jack interface are connected with self-priming remote control floodlight group from the slide rail platform that cruises with full-automatic electric,
Full-automatic electric comprises sliding track body from the slide rail platform that cruises, sliding track body is provided with guide rail chain, the two ends link position sensor of guide rail chain, and guide rail chain is connected with the gear of servomotor, servomotor connecting platform, sliding track body is provided with slide rail platform power management control unit, PLC central controller, PLC central controller connects power supply management control unit respectively, auto-cruising control device, mechanism's lubrication circumstances detector, temperature sensor, velocity sensor, position sensor, load cell, time book instrument, uniform illumination degree sensor, oil filling machine, axial flow blower heat radiation unit, servomotor, slide rail platform power management control unit is connecting sliding rail platform AC220V power supply circuits interface respectively, mechanism's lubrication circumstances detector, temperature sensor, velocity sensor, position sensor, load cell, time book instrument, uniform illumination degree sensor, oil filling machine, axial flow blower heat radiation unit, servomotor, external loading or the jack interface of slide rail platform AC220V power supply circuits interface and mobile illuminating lamp power transformation module are connected.
The present invention can produce following good effect compared with the prior art: the present invention make full use of the existing electri forklift battery capacity in warehouse large, mobile fast, turn to feature flexibly, used in conjunction with electri forklift by floodlighting external member, more common emergent floodlighting car conveniently moving is flexible, without the need to other vehicle tethered slidings, can according to driver requested, fast, precise positioning needs irradiation area, fully meet the lighting requirement of the meticulous handling operations such as handling shelf goods and materials, and use, safeguard, upkeep cost is extremely low; This invention uses in conjunction with warehouse electri forklift, can provide long-time stable emergency lighting for cargo handling inside and outside open storage ground, storehouse, avoids, because illumination is not good for delivery of goods and materials at night, particularly loading and unloading the potential safety hazard that shelf goods and materials bring.It has:
1, illumination intensity is high, field of illumination is wide.Self-priming remote control floodlight group 5 adopts 35W automobile Metal halogen lamp to make light source, spotlight effect is good, light fixture central light strength reaches 6400cd, service life can reach 10000 hours, two floodlight right position are regulated from the slide rail platform that cruises by full-automatic electric, field of illumination is wide, and sufficient brightness, unglazed photograph shade, ensure that the illuminance of irradiation area to greatest extent.
2, mobile fast and flexible.External member designs for electri forklift specially, can make full use of that electri forklift travel speed is fast, volume is little, turn to feature flexibly, arrives reservoir area assigned address fast, turns to assigned direction to throw light on, be particularly suitable for narrow regions between shelf and carry out lighting homework.
3,360 degree without the accurate rotating illuminating in dead angle.Self-priming remote control floodlight group (5) possesses upwards, 360 degree without dead angle rotating illuminating function downwards, forward, backward, truck driver controls direction of illumination by remote controller, fork truck is possessed all-around mobile illumination functions, fast accurate location needs irradiation area, realizes fork truck and in storehouse, loads and unloads cross beam type shelf goods and materials without blind spot lighting; Remote controller all can manipulate floodlight group within the scope of 30 meters in addition, and signal light control is convenient, flexible.
4, entreprise cost is reduced.Utilize electri forklift storage battery to power for lighting apparatus, cost of use is low, daily in conjunction with the maintaining of electri forklift storage battery, without the need to additionally increasing maintenance, upkeep cost.
5, high safety, long service life.Each critical piece all adopts under-voltage protection to design; in external member, mobile illuminating lamp power transformation module adopts temperature control design protection; floodlight group can reach 10000 hours service life, and above multi-functional design, fully ensure that safety in utilization and the service life of each parts.Also be provided with intelligent sound inductor at cab ceiling, can point out operating personnel according to different situations, prevent misoperation from causing accident to occur.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the electric theory diagram of mobile illuminating lamp power transformation module of the present invention;
Fig. 3 is the structural representation of full-automatic electric of the present invention from the slide rail platform that cruises;
Fig. 4 is the theory diagram of full-automatic electric of the present invention from the slide rail platform that cruises.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated:
Embodiment: a kind of warehouse electri forklift floodlighting external member (see Fig. 1), it comprises electri forklift battery module 1, intelligent sound inductor 6 provides dry cell independent work for oneself, lamp remote controller 7, electri forklift battery module 1 connects mobile illuminating lamp power transformation module 3 by Closed control switch 2, mobile illuminating lamp power transformation module 3 connects full-automatic electric respectively from cruising slide rail platform 4 and self-priming remote control floodlight group 5, lamp remote controller 7 and self-priming remote control floodlight group 5 match, and are worked by radio control self-priming remote control floodlight group 5.
Mobile illuminating lamp power transformation module 3(is see Fig. 2) comprise STC12C2052 form one chip microcomputer control unit 3-9, one chip microcomputer control unit 3-9 connects battery undervoltage feedback module 3-13 respectively, power supply management control unit 3-3, DC48-DC5V power module 3-8, controllable frequency generators 3-10, temperature protection feedback circuit 3-12, waveform feedback circuit 3-14, axial flow blower heat radiation unit 3-11, the anti-power feeding module 3-13 of battery undervoltage connects 48V battery pack 3-2, and power supply management control unit 3-3 connects AC220 power supply circuits 3-1 respectively, 48V battery pack 3-2, wave filter 3-4, wave filter 3-4 connect DC48-DC5V power module 3-8 respectively, square-wave generator (inverter bridge) 3-5, DC48-DC5V power module 3-8 connects controllable frequency generators 3-10, controllable frequency generators 3-10 connects square-wave generator (inverter bridge) 3-5, and square-wave generator (inverter bridge) 3-5 connects temperature protection feedback module 3-12 respectively, Transformer Winding 3-6, Transformer Winding 3-6 connect waveform feedback circuit module 3-14 respectively, external loading or jack interface 3-7, AC220 power supply circuits 3-1, 48V battery pack 3-2 is connected with external AC 220V input.External loading or jack interface 3-7 are connected with self-priming remote control floodlight group 5 from the slide rail platform 4 that cruises with full-automatic electric.
Full-automatic electric is from cruising slide rail platform 4(see Fig. 3-Fig. 4) comprise sliding track body 4-15, sliding track body 4-15 is provided with guide rail chain 4-16, the two ends link position sensor 4-2 of guide rail chain 4-16, guide rail chain 4-16 is connected with the gear of servomotor 4-14, servomotor 4-14 connecting platform 4-17, during use, platform 4-17 is placed with floodlight, sliding track body 4-15 is provided with slide rail platform power management control unit 4-1, slide rail platform AC220V power supply circuits interface 4-3, PLC central controller 4-4, auto-cruising control device 4-5, mechanism lubrication circumstances detector 4-6, temperature sensor 4-7, velocity sensor 4-8, load cell 4-9, time book instrument 4-10, uniform illumination degree sensor 4-11, oil filling machine 4-12, axial flow blower heat radiation unit 4-13, PLC central controller 4-4 connects power supply management control unit 4-1 respectively, auto-cruising control device 4-5, mechanism lubrication circumstances detector 4-6, temperature sensor 4-7, velocity sensor 4-8, position sensor 4-2, load cell 4-9, time book instrument 4-10, uniform illumination degree sensor 4-11, oil filling machine 4-12, axial flow blower heat radiation unit 4-13, servomotor 4-14, slide rail platform power management control unit 4-1 be connecting sliding rail platform AC220V power supply circuits interface 4-3 respectively, mechanism lubrication circumstances detector 4-6, temperature sensor 4-7, velocity sensor 4-8, position sensor 4-2, load cell 4-9, time book instrument 4-10, uniform illumination degree sensor 4-11, oil filling machine 4-12, axial flow blower heat radiation unit 4-13, servomotor 4-14.External loading or the jack interface 3-7 of slide rail platform AC220V power supply circuits interface 4-3 and mobile illuminating lamp power transformation module 3 are connected.
By electri forklift battery module 1, its 48V electric power is derived, by the opening and closing of Closed control switch 2 control circuit; 48V power voltage, through mobile illuminating lamp power transformation module 3, is converted to AC220V voltage by electric power, to mate follow-up equipment application; One road AC220V electric power enters full-automatic electric from cruising slide rail platform 4, drives servomotor 4-14 to be with moving platform 4-17 to move; One road AC220V electric power enters self-priming remote control floodlight group 5, controls the switch of self-priming remote control floodlight group 5 respectively and turn to by two lamp remote controllers 7.
After external AC 220 power supply circuits 3-1 powers on, electric current enters wave filter 3-4 through power supply management control unit 3-3, is then entered the one chip microcomputer control unit 3-9 of STC12C2052 formation by DC48-DC5V power module 3-8; Voltage condition in single-chip microcomputer STC12C2052 testing circuit, if signal is normal, voltage identification is normal, explanation externally fed is normal, to power supply management control unit 3-3 normal signal, charges to DC48V battery pack 3-2, if abnormal signal, then DC48V battery pack 3-2 is not charged;
After external AC 220 power supply circuits 3-1 power-off, provide electric power to export by 48V battery pack 3-2, electric current enters wave filter 3-4 through power supply management control unit 3-3, and a part enters square-wave generator (inverter bridge) 3-5; A part enters controllable frequency generators 3-10 by DC48-DC5V power module 3-8; A part enters the one chip microcomputer control unit 3-9 of STC12C2052 formation by DC48-DC5V power module 3-8; Voltage condition in single-chip microcomputer STC12C2052 testing circuit, if voltage signal is normal, voltage identification is normal, illustrate that batteries is powered normally, control signal resolved through controllable frequency generators 3-10, then output is resolved rear signal and is input to square-wave generator (inverter bridge) 3-5; Then electric current is converted to square wave form and is transported to Transformer Winding 3-6 by square-wave generator (inverter bridge) 3-5, and voltage transitions is that AC220V electric current is transported to external loading or jack interface 3-7 by Transformer Winding 3-6;
Temperature automatic adjustment system, controls lower than 50 degree by temperature protection feedback module automatically by system temperature, when temperature is elevated to 50 degree, axial flow blower heat radiation unit 3-11 starts working, and quits work lower than blower fan when 35 degree;
Slide rail platform AC220V power supply circuits interface 4-3 connects mobile illuminating lamp power transformation module 3, the after-current that powers on is through entering PLC central controller 4-4 through slide rail platform power management control unit 4-1, PLC central controller 4-4, detect input current, if signal is normal, voltage identification is normal, explanation externally fed is normal, to slide rail platform power management control unit 4-1 normal signal, to servomotor 4-14, realize automatic cruising operation by the action controlling servomotor 4-14; To slide rail platform power management control unit 4-1 normal signal, power to axial flow blower heat radiation unit 4-13, mechanism lubrication circumstances detector 4-6 respectively, humidity sensor 4-7, velocity sensor 4-8, position sensor 4-2, load cell 4-9, time book instrument 4-10, oil filling machine 4-12, uniform illumination degree sensor 4-11 power, ensure the normal operation of each sub-agencies;
Start auto-cruising control device 4-5, electronic signal is delivered to PLC central controller 4-4, carries out electronics resolve, by electrical signal transfer to slide rail platform power management control unit 4-1 through it, by controlling power condition, auto-cruising control is carried out to servomotor 4-14.
Mechanism lubrication circumstances detector 4-6 senses that mechanism needs to lubricate, then by electrical signal transfer to PLC central controller 4-4, it resolves through electronics, control command is passed to oil filling machine 4-12, carry out charging-up lubricant oil to each mechanism, simultaneously oil filling machine 4-12 by work state information real-time Transmission to PLC central controller 4-4;
Temperature sensor 4-7 perceives temperature to be needed to control, then by electrical signal transfer to PLC central controller 4-4, it resolves through electronics, control command is passed to slide rail platform power management control unit 4-1, it carries out open and close controlling, to realize regulating the temperature of whole system by controlling power condition to axial flow blower heat radiation unit 4-13;
PLC central controller 4-4 by whole system running time by electrical signal transfer to time book instrument 4-10, by it, record is carried out to the running time of whole system;
Velocity sensor 4-8 and position sensor 4-2 by the electric signal transmission of respective perception to PLC central controller 4-4, by it, signal of telecommunication is settled accounts, judge movement velocity and the position of servomotor, and then by control command being transferred to slide rail platform power management control unit 4-1, by controlling power condition, speed and position control are carried out to servomotor 4-14
Load cell 4-9, electronic signal is delivered to PLC central controller 4-4, carry out electronics through it to resolve, if it is determined that load exceeds standard, report to the police, control command is transferred to slide rail platform power management control unit 4-1 by PLC central controller 4-4 simultaneously, stops the supply of electric power to servomotor;
The electric signal transmission of uniform illumination degree sensor 4-11 perception is to PLC central controller 4-4, by it, signal of telecommunication is settled accounts, judge that present uniform illumination is spent large or too small, and then by control command being transferred to slide rail platform power management control unit 4-1, by controlling power condition, speeds control is carried out to servomotor 4-14, and then adjustment uniform illumination degree size;
Self-priming remote control floodlight group 5 adopts 35W automobile Metal halogen lamp to make light source, 50% power consumption is saved than ordinary light source, life-span can reach 10000 hours, spotlight effect is good, light fixture central light strength reaches 6400cd, there is the anti-reverse and low-voltage variation function of electric power polarity, line traffic control and remote control mode can be adopted to control; Realize upper and lower 0-180 degree, the electrodeless rotation of horizontal 360-degree, all-dimensional multi-angle is thrown light on; Lamp panel adopts adjustable magnetic switch, can meet the steadiness of lamp installation.
Intelligent sound inductor 6 volume 120db, distance of reaction 4 meters, induction angle 120 degree of visual angles; By infrared inductor, judge whether personnel enter electric forklift operation, and according to different situations, operating personnel are pointed out, prevent misoperation from causing accident to occur.10 kinds of working conditions can be set, judgement prompting is carried out to often kind of situation.
Remote controlled search light Digiplex 7, can realize 30 meters of scopes light fixture manipulation.
Claims (1)
1. a warehouse electri forklift floodlighting external member, it comprises electri forklift battery module (1), intelligent sound inductor (6), lamp remote controller (7), it is characterized in that electri forklift battery module (1) connects mobile illuminating lamp power transformation module (3) by Closed control switch (2), mobile illuminating lamp power transformation module (3) connects full-automatic electric respectively from cruising slide rail platform (4) and self-priming remote control floodlight group (5), and lamp remote controller (7) and self-priming remote control floodlight group (5) match;
Mobile illuminating lamp power transformation module (3) comprises the one chip microcomputer control unit (3-9) that STC12C2052 is formed, one chip microcomputer control unit (3-9) connects battery undervoltage feedback module (3-13) respectively, power supply management control unit (3-3), DC48-DC5V power module (3-8), controllable frequency generators (3-10), temperature protection feedback circuit (3-12), waveform feedback circuit (3-14), axial flow blower heat radiation unit (3-11), the anti-power feeding module of battery undervoltage (3-13) connects 48V battery pack (3-2), power supply management control unit (3-3) connects AC220 power supply circuits (3-1) respectively, 48V battery pack (3-2), wave filter (3-4), wave filter (3-4) connects DC48-DC5V power module (3-8) respectively, square-wave generator (3-5), DC48-DC5V power module (3-8) connects controllable frequency generators (3-10), controllable frequency generators (3-10) connects square-wave generator (3-5), square-wave generator (3-5) connects temperature protection feedback module (3-12) respectively, Transformer Winding (3-6), Transformer Winding (3-6) connects waveform feedback circuit module (3-14) respectively, external loading or jack interface (3-7), AC220 power supply circuits (3-1), 48V battery pack (3-2) is connected with external AC 220V input, external loading or jack interface (3-7) are connected with self-priming remote control floodlight group (5) from the slide rail platform (4) that cruises with full-automatic electric,
Full-automatic electric comprises sliding track body (4-15) from the slide rail platform (4) that cruises, sliding track body (4-15) is provided with guide rail chain (4-16), two ends link position sensor (4-2) of guide rail chain (4-16), guide rail chain (4-16) is connected with the gear of servomotor (4-14), servomotor (4-14) connecting platform (4-17), sliding track body (4-15) is provided with slide rail platform power management control unit (4-1), PLC central controller (4-4), PLC central controller (4-4) connects power supply management control unit (4-1) respectively, auto-cruising control device (4-5), mechanism's lubrication circumstances detector (4-6), temperature sensor (4-7), velocity sensor (4-8), position sensor (4-2), load cell (4-9), time book instrument (4-10), uniform illumination degree sensor (4-11), oil filling machine (4-12), axial flow blower heat radiation unit (4-13), servomotor (4-14), slide rail platform power management control unit (4-1) is connecting sliding rail platform AC220V power supply circuits interface (4-3) respectively, mechanism's lubrication circumstances detector (4-6), temperature sensor (4-7), velocity sensor (4-8), position sensor (4-2), load cell (4-9), time book instrument (4-10), uniform illumination degree sensor (4-11), oil filling machine (4-12), axial flow blower heat radiation unit (4-13), servomotor (4-14), external loading or the jack interface (3-7) of slide rail platform AC220V power supply circuits interface (4-3) and mobile illuminating lamp power transformation module (3) are connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661559.3A CN105240779B (en) | 2015-10-15 | 2015-10-15 | A kind of warehouse electri forklift floodlighting external member |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510661559.3A CN105240779B (en) | 2015-10-15 | 2015-10-15 | A kind of warehouse electri forklift floodlighting external member |
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| CN105240779A true CN105240779A (en) | 2016-01-13 |
| CN105240779B CN105240779B (en) | 2017-07-07 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012186086A (en) * | 2011-03-07 | 2012-09-27 | Iwasaki Electric Co Ltd | Lighting fixture |
| CN103922245A (en) * | 2014-04-14 | 2014-07-16 | 浙江纪超自动化技术有限公司 | Forklift perception system controller and method thereof |
| CN204005281U (en) * | 2014-08-18 | 2014-12-10 | 湘电莱特电气有限公司 | A kind of wide wheelspan chassis mobile pharos |
| CN205191435U (en) * | 2015-10-15 | 2016-04-27 | 国网山东省电力公司烟台供电公司 | Warehouse electric fork -lift flood lighting external member |
-
2015
- 2015-10-15 CN CN201510661559.3A patent/CN105240779B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012186086A (en) * | 2011-03-07 | 2012-09-27 | Iwasaki Electric Co Ltd | Lighting fixture |
| CN103922245A (en) * | 2014-04-14 | 2014-07-16 | 浙江纪超自动化技术有限公司 | Forklift perception system controller and method thereof |
| CN204005281U (en) * | 2014-08-18 | 2014-12-10 | 湘电莱特电气有限公司 | A kind of wide wheelspan chassis mobile pharos |
| CN205191435U (en) * | 2015-10-15 | 2016-04-27 | 国网山东省电力公司烟台供电公司 | Warehouse electric fork -lift flood lighting external member |
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| CN105240779B (en) | 2017-07-07 |
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