CN110701544B - LED street lamp for park road lighting - Google Patents
LED street lamp for park road lighting Download PDFInfo
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- CN110701544B CN110701544B CN201911029534.6A CN201911029534A CN110701544B CN 110701544 B CN110701544 B CN 110701544B CN 201911029534 A CN201911029534 A CN 201911029534A CN 110701544 B CN110701544 B CN 110701544B
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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
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
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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
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/04—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator
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- 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
- F21V15/00—Protecting lighting devices from damage
- F21V15/02—Cages
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- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/162—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to traction or compression, e.g. coil springs
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- 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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- 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
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
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- 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
- F21V31/00—Gas-tight or water-tight arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses an LED street lamp for park road illumination, which comprises a plurality of hollow brick bodies laid on a park road and lampshades fixedly connected to two sides of the brick bodies, wherein lamp bodies are fixedly arranged in the lampshades, magnetic plates are fixedly connected to the inner bottom and the inner top of the brick bodies, sleeves are rotatably connected to the inner bottom of the brick bodies, driving mechanisms for driving the sleeves to rotate are arranged in the sleeves, and power supply mechanisms for supplying power to the lamp bodies are arranged on the side walls of the sleeves. According to the invention, by arranging the driving mechanism, the power supply mechanism, the storage battery and the photosensitive switch, the gravitational potential energy generated when the pedestrian walks can be converted into electric energy to supply power to the lamp body, a bulky circuit system is not required to be laid, the input cost is reduced, and the street lamp can emit light for illumination only when the pedestrian walks from a road, so that the supply of electric energy as required is realized, and the walking safety of the pedestrian is also ensured.
Description
Technical Field
The invention relates to the technical field of LED street lamps, in particular to an LED street lamp for park road illumination.
Background
The LED lamp is a light emitting diode, and is a lamp made of a solid semiconductor chip as a light emitting material, and compared with the conventional lamp, the LED lamp has the advantages of energy saving, environmental protection, and good color rendering and response speed, so the LED lamp is called a fourth generation illumination light source or a green light source, is widely applied to various fields such as indication, display, decoration, backlight, general illumination, and urban night scenes, and also mostly adopts the LED lamp to illuminate on roads in urban parks.
However, the traditional park lighting lamps need to be connected in parallel to ensure relative independence, so that a huge and complicated circuit system needs to be laid underground in the park, and meanwhile, protection work such as water resistance, pressure resistance, wear resistance and the like needs to be done, so that in the installation, use and maintenance processes of the street lamps, more cost needs to be invested, meanwhile, the existing street lamps are controlled by programs to achieve timing switch, and therefore even if no one is in the park at night, the street lamps can be in a lighting state, and waste of electric energy is serious.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the LED street lamp for park road illumination, which can convert gravitational potential energy generated when pedestrians walk into electric energy to supply power to a lamp body by arranging a driving mechanism, a power supply mechanism, a storage battery and a photosensitive switch, so that a huge and complicated circuit system is not required to be laid, the input cost is reduced, and the street lamp can emit light for illumination only when pedestrians walk from a road, so that the supply of electric energy as required is realized, and the walking safety of the pedestrians is also ensured.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a park is LED street lamp for road illumination, includes that the polylith is laid the brick body and the lamp shade of fixed connection in brick body both sides hollow on the park road, fixed mounting has the lamp body in the lamp shade, the internal bottom of brick and the equal fixedly connected with magnetic sheet in top, the internal bottom of brick rotates and is connected with the sleeve, install in the sleeve and be used for driving sleeve pivoted actuating mechanism, install the power supply mechanism who is used for supplying power for the lamp body on the telescopic lateral wall.
Preferably, actuating mechanism includes the threaded rod of threaded connection in the sleeve, brick body upper end fixedly connected with arc protection casing, the lower extreme laminating of arc protection casing is provided with the step board, the upper end of threaded rod extends to brick body outside and fixed connection on the step board, the lower extreme of threaded rod passes through pressure spring elastic connection at the internal bottom of brick.
Preferably, the power supply mechanism includes the disc of installing at the sleeve lateral wall through one-way bearing and the magnetic path along disc circumference equidistance equipartition, the magnetic induction line direction perpendicular to internal top of brick of each magnetic path, and adjacent the magnetic induction line direction of magnetic path is opposite, the internal disc that is located of brick and the middle department of magnetic slab are provided with multiturn excitation coil, excitation coil and lamp body coupling just constitute closed loop with the lamp body.
Preferably, the brick body is internally provided with a storage battery coupled with the lamp body and the excitation coil, the lampshade is internally provided with a photosensitive switch coupled with the storage battery, and the photosensitive switch controls whether the storage battery supplies power to the lamp body.
The invention has the following beneficial effects:
1. by arranging the driving mechanism, the power supply mechanism and the magnetic plate, when a pedestrian walks through a park road, the threaded rod is pressed by the dead weight of the pedestrian, so that the sleeve and the disc are driven to rotate, the magnetic field in the brick body generates periodic fluctuation along with the position change of the magnetic block, the magnetic field at the excitation coil periodically changes, induction current is generated in the excitation coil, the current can cause the lamp body to emit light for illumination, and a huge and complicated circuit system is not required to be laid for power supply, so that the LED street lamp is simple in structure, low in cost, capable of operating independently, convenient to maintain and replace, more energy-saving and environment-friendly compared with the traditional LED street lamp, and has obvious advantages;
2. in the rotating process of the disc, the disc is not in contact with the inner wall of the brick body, so that the friction consumption of energy is effectively reduced, most of kinetic energy converted from the gravitational potential energy of pedestrians is used for generating induction current, the current is used for supplying light and heat to the lamp body, the main energy loss comes from the heat loss of the magnetic excitation coil and the lamp body, the energy conversion rate of the LED lamp is extremely high, the heat loss of the lamp body is very small, and the energy utilization rate is high;
3. the arc-shaped protective cover arranged at the upper end of the pedal can not only protect the pedal, but also effectively prevent the pedal from stumbling the pedestrian, and meanwhile, in rainy and snowy weather, the arc-shaped protective cover can prevent accumulated water from entering the interior of the brick body to damage coils and wires in the brick body, and can enable the rainy and snowy water to rapidly flow to two sides of a road, so that the problem of the accumulated water in a park road can be effectively solved;
4. through setting up battery and photosensitive switch, when daytime illumination is sufficient, photosensitive switch disconnection, the battery is not to the lamp body power supply, the lamp body can not give out light this moment, the pedestrian walks outdated, induced-current flow that produces on the excitation coil advances the battery and is stored, when the illumination is not enough evening, photosensitive switch is closed, the battery supplies power to the lamp body, the electric energy of using storage on daytime preferentially, the pedestrian walks the time, induced-current that produces on the excitation coil also can be used for supplying power for the lamp body after the electric energy of daytime storage is consumed, energy utilization is further promoted, make the energy-concerving and environment-protective effect of this street lamp more outstanding.
5. Through setting up one-way bearing, after the pedestrian left the arc safety cover, although the threaded rod can shift up under the pressure spring effect, sleeve can the antiport, but the disc still can be under the effect of inertia and single file bearing forward continuously rotates a period to ensure that the pedestrian just can the outage extinguish after going far, guarantee that the street lamp can fully provided the demand that the pedestrian walked.
Drawings
FIG. 1 is a schematic structural view of an LED street lamp for park road illumination according to the present invention;
fig. 2 is a top view of a park road proposed by the present invention.
In the figure: the lamp comprises a brick body 1, a lampshade 2, a lamp body 3, a sleeve 4, a pressure spring 5, a pedal 6, a threaded rod 7, an arc-shaped protective cover 8, a magnetic plate 9, a one-way bearing 10, a disc 11, a magnetic block 12 and a magnet exciting coil 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-2, a park is LED street lamp for road illumination, includes that the polylith is laid the brick body 1 of hollow on the park road and the lamp shade 2 of fixed connection in brick body 1 both sides, and fixed mounting has lamp body 3 in the lamp shade 2, and the equal fixedly connected with magnetic sheet 9 in brick body 1 bottom and interior top, and the bottom rotates in the brick body 1 and is connected with sleeve 4, installs in the sleeve 4 and is used for driving sleeve 4 pivoted actuating mechanism.
Actuating mechanism includes threaded rod 7 of threaded connection in sleeve 4, 1 upper end fixedly connected with arc protection casing 8 of the brick body, the lower extreme laminating of arc protection casing 8 is provided with step 6, the upper end of threaded rod 7 extends to 1 outside and fixed connection of the brick body on step 6, the lower extreme of threaded rod 7 passes through 5 elastic connection of pressure spring bottom in the brick body 1, arc protection casing 8 adopts the waterproof material of elasticity to make, can enough protect step 6, also can prevent step 6 from stumbling the pedestrian, simultaneously can also make the rainwater that falls on arc protection casing 8 arrange to the road both sides rapidly, the ponding problem of park road is improved.
Furthermore, the lead angle of the thread formed on the threaded rod 7 and the sleeve 4 is smaller than the equivalent friction angle of the screw pair, so that the self-locking condition of the thread is not met, and when the threaded rod 7 moves downwards, the sleeve 4 is in a fixed state, so that the threaded rod 7 is subjected to tangential force and rotates.
The power supply mechanism for supplying power to the lamp body 3 is installed on the side wall of the sleeve 4 and comprises a disc 11 installed on the side wall of the sleeve 4 through a one-way bearing 10 and magnetic blocks 12 evenly distributed along the circumferential direction of the disc 11 at equal intervals, the magnetic induction line direction of each magnetic block 12 is perpendicular to the inner top of the brick body 1, and the magnetic induction line directions of the adjacent magnetic blocks 12 are opposite.
Because the magnetic induction lines of the adjacent magnetic blocks 12 are opposite in direction, a magnetic field which is uneven in strength at each position and is changed periodically is formed between the disc 11 and the magnetic plate 9, and because the magnetic induction lines of the magnetic blocks 12 are perpendicular to the inner top of the brick body 1, an uneven and regular wave-type magnetic field can be formed between the disc 11 and the inner top of the brick body 1, and when the disc 11 rotates, the magnetic field generates periodic wave along with the change of the magnetic blocks 12.
The brick body 1 is provided with a plurality of turns of excitation coils 13 between the disc 11 and the magnetic plate 9, the excitation coils 13 are coupled with the lamp body 3 and form a closed loop with the lamp body 3, and the excitation coils 13 are located in the magnetic field, so that the magnetic flux in the excitation coils 13 can be periodically changed by the electromagnetic induction principle when the magnetic field generates periodic fluctuation, so that induction current is generated in the excitation coils 13, and the lamp body 3 can be promoted to emit light by the current.
In the invention, when a pedestrian walks on a park road and steps on the arc-shaped protective cover 8, the pedal 6 and the threaded rod 7 are pressed downwards, the threaded rod 7 moves downwards to drive the sleeve 4 to rotate in the forward direction, so that the disc 11 is driven to rotate in the forward direction under the action of the one-way bearing 10, the disc 11 rotates in the forward direction to continuously change the positions of the magnetic blocks 12, the magnetic field between the disc 11 and the top in the brick body 1 generates periodic fluctuation, the fluctuation enables the magnetic flux in the excitation coil 13 to also change in the periodic manner, so that induced current is generated in the excitation coil 13, the current supplies power to the lamp body 3 to enable the lamp body 3 to emit light and illuminate the park road;
when the pedestrian leaves this arc protection casing 8, step 6 and threaded rod 7 begin upwards displacement under the spring action of pressure spring 5, the rebound of threaded rod 7 can drive the reversal of sleeve 4, but under one-way bearing 10's effect, disc 11 can not receive the influence of sleeve 4 reversal, but last corotation a period of time under the inertia effect, the illumination coverage that leaves lamp body 3 on this brick body 1 is just can the outage extinguish until the pedestrian is far away, guarantee the demand that the street lamp can fully satisfy the pedestrian walking, avoid the pedestrian to respond to light not enough and take place dangerous situations such as tumble.
Example 2
The difference from the embodiment 1 is that: the storage battery coupled with the lamp body 3 and the excitation coil 13 is installed in the brick body 1, the photosensitive switch coupled with the storage battery is installed in the lampshade 2, and the photosensitive switch controls whether the storage battery supplies power for the lamp body 3.
When light is insufficient at night, the photosensitive switch is in a closed state, the magnet exciting coil 13, the lamp body 3 and the storage battery form a closed loop, when a pedestrian walks through the arc-shaped protective cover 8, induced current generated on the magnet exciting coil 13 flows into the storage battery and is directly used for supplying power to the lamp body 3 by the storage battery, so that sufficient illumination conditions are ensured when the pedestrian walks on a park road;
when light is sufficient daytime, photosensitive light of opening is in the off-state under the illumination effect, the battery does not supply power to lamp body 3 this moment, excitation coil 13 only constitutes closed circuit with the battery, when the pedestrian walked arc protection casing 8, induced-current that produces on the excitation coil 13 flows in the battery and is stored to the priority uses when supplying photosensitive switch to close night is for the power supply of lamp body 3, further promoted energy utilization, strengthened the energy-concerving and environment-protective effect of this street lamp.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. The LED street lamp for park road illumination comprises a plurality of hollow brick bodies (1) laid on a park road and lampshades (2) fixedly connected to two sides of the brick bodies (1), wherein lamp bodies (3) are fixedly installed in the lampshades (2), and is characterized in that magnetic plates (9) are fixedly connected to the inner bottoms and the inner tops of the brick bodies (1), sleeves (4) are rotatably connected to the inner bottoms of the brick bodies (1), driving mechanisms for driving the sleeves (4) to rotate are installed in the sleeves (4), and power supply mechanisms for supplying power to the lamp bodies (3) are installed on the side walls of the sleeves (4);
the driving mechanism comprises a threaded rod (7) in threaded connection with the sleeve (4), the upper end of the brick body (1) is fixedly connected with an arc-shaped protective cover (8), the lower end of the arc-shaped protective cover (8) is provided with a pedal (6) in a fitting manner, the upper end of the threaded rod (7) extends to the outside of the brick body (1) and is fixedly connected to the pedal (6), and the lower end of the threaded rod (7) is elastically connected to the inner bottom of the brick body (1) through a pressure spring (5);
the power supply mechanism comprises a disc (11) and magnetic blocks (12), wherein the magnetic blocks (12) are arranged on the side wall of the sleeve (4) through one-way bearings (10) and are uniformly distributed along the disc (11) in the circumferential direction at equal intervals, the magnetic induction line directions of the magnetic blocks (12) are perpendicular to the inner top of the brick body (1) and are adjacent to each other, the magnetic induction lines of the magnetic blocks (12) are opposite in direction, a multi-turn magnet exciting coil (13) is arranged in the middle of the disc (11) and the magnetic plate (9) in the brick body (1), and the magnet exciting coil (13) is coupled with the lamp body (3) and forms a closed loop with the lamp body.
2. The LED street lamp for park road illumination as claimed in claim 1, wherein a storage battery coupled with the lamp body (3) and the excitation coil (13) is installed in the brick body (1), and a photosensitive switch coupled with the storage battery is installed in the lampshade (2), and the photosensitive switch controls whether the storage battery supplies power to the lamp body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911029534.6A CN110701544B (en) | 2019-10-28 | 2019-10-28 | LED street lamp for park road lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911029534.6A CN110701544B (en) | 2019-10-28 | 2019-10-28 | LED street lamp for park road lighting |
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| Publication Number | Publication Date |
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| CN110701544A CN110701544A (en) | 2020-01-17 |
| CN110701544B true CN110701544B (en) | 2021-06-22 |
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| CN201911029534.6A Active CN110701544B (en) | 2019-10-28 | 2019-10-28 | LED street lamp for park road lighting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111424487B (en) * | 2020-04-08 | 2021-12-14 | 商河县产业投资开发集团有限公司 | Water-absorbing type anti-skidding floor tile |
| CN112601332B (en) * | 2020-11-30 | 2023-08-18 | 南京望天科技有限公司 | Energy-saving environment-friendly door lamp automatically opened by utilizing human body gravity |
| CN112460547A (en) * | 2020-12-28 | 2021-03-09 | 洛阳中天绿色构件有限公司 | Energy-saving environment-friendly road lighting street lamp and control method thereof |
| CN112780987A (en) * | 2021-01-14 | 2021-05-11 | 盛海平 | Be applied to city planning's buried electricity-saving lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201250766Y (en) * | 2008-08-19 | 2009-06-03 | 胡延新 | Device utilizing gravitational potential energy of vehicles on road surface to generate electricity |
| CN102080799B (en) * | 2010-11-25 | 2012-03-28 | 大连大学 | Energy-saving type treading-power generation illuminating device |
| CN103023122B (en) * | 2012-11-02 | 2016-01-13 | 昆明理工大学 | A kind of Efficient electricity generation floor tile |
| CN103868007B (en) * | 2012-12-18 | 2017-08-25 | 冯静 | The self-power generation type railway street lamp generated electricity using gravitional force and suction force |
| CN204254458U (en) * | 2014-11-28 | 2015-04-08 | 河海大学 | Streetlamp supplied with power generated through pressure system |
| CN104527513A (en) * | 2014-12-09 | 2015-04-22 | 南昌大学 | Self-power-generating-type bus carriage lighting device |
| CN205592864U (en) * | 2016-04-20 | 2016-09-21 | 内蒙古科技大学 | Road surface lighting system |
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Effective date of registration: 20210601 Address after: 341000 south of Ouxiang road and east of shangou Avenue, shangou Industrial Park, Yudu County, Ganzhou City, Jiangxi Province Applicant after: Jiangxi Wanglai Technology Co.,Ltd. Address before: 430014 No.18, Shiqiao 1st Road, Jiang'an District, Wuhan City, Hubei Province Applicant before: Zhang Xiang |
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