CN111765408A - High range high pole lamp - Google Patents

High range high pole lamp Download PDF

Info

Publication number
CN111765408A
CN111765408A CN202010599601.4A CN202010599601A CN111765408A CN 111765408 A CN111765408 A CN 111765408A CN 202010599601 A CN202010599601 A CN 202010599601A CN 111765408 A CN111765408 A CN 111765408A
Authority
CN
China
Prior art keywords
lamp
light source
lamp holder
post
range
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010599601.4A
Other languages
Chinese (zh)
Other versions
CN111765408B (en
Inventor
张燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Huamei Lighting Technology Co ltd
Original Assignee
Jiangsu Huamei Lighting Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Huamei Lighting Technology Co ltd filed Critical Jiangsu Huamei Lighting Technology Co ltd
Priority to CN202010599601.4A priority Critical patent/CN111765408B/en
Publication of CN111765408A publication Critical patent/CN111765408A/en
Application granted granted Critical
Publication of CN111765408B publication Critical patent/CN111765408B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • 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
    • F21V15/04—Resilient mountings, e.g. shock absorbers 
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/15—Thermal insulation
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The invention discloses a high-range high-pole lamp, and belongs to the field of street lamps. According to the street lamp, the light source module is fixed on the rotating plates with adjustable included angles, the fixed included angles of the two rotating plates can be adjusted according to installation requirements, the irradiation range of the street lamp is enlarged, and the utilization rate of the light source is improved; the lower surface of the light source accommodating groove and the groove form a concave lens, so that light beams are further diffused, and the whole illumination range and range are increased; and a buffer device is arranged below the lamp panel, so that the risk coefficient of falling of the lamp panel is reduced.

Description

High range high pole lamp
Technical Field
The invention relates to the technical field of street lamps, in particular to a high-range high-pole lamp.
Background
In open places such as city squares, airports, docks, highways and the like, high-pole lamps are generally adopted to realize large-scale centralized illumination, so that the high-pole lamps have high requirements on the illumination range. The lamp panel of the existing high-pole lamp is heavy, potential safety hazards of falling of the lamp panel exist after long-term use, and the lighting range of the existing high-pole lamp is limited and cannot be adjusted according to actual installation and use environments.
Disclosure of Invention
In order to solve the problems, the invention discloses a high-range high-pole lamp which is long in illumination range, high in brightness and high in light energy utilization rate.
The invention is realized by the following technical scheme:
a high-range high-pole lamp comprises a lamp pole, wherein a lamp panel is arranged at the top end of the lamp pole, a lantern ring is arranged on the inner ring of the lamp panel, the lantern ring is fixedly connected with the side wall of the lamp pole, a plurality of lamp holders are arranged on the lower surface of the lamp panel, each lamp holder comprises a lamp holder shell, each lamp holder shell consists of an upper layer containing cavity and a lower layer containing cavity, the upper layer is a heat insulation layer, two rotating plates are arranged inside the lower layer, one ends of the rotating plates are connected with a rotating shaft, a dial is arranged at one end of the rotating shaft, the other end of the rotating shaft is fixed in the lower layer containing cavity through a connecting rod, an L-shaped clamping groove is arranged below each rotating plate, a light source module is inserted into the L-shaped clamping groove and comprises an aluminum substrate and a lens arranged on the surface of the aluminum substrate, a plurality of light, the lamp holder comprises a lamp holder shell, a rotating plate, a light source accommodating groove, a plurality of heat radiating fins, a heat insulating layer and a heat radiating fin, wherein the rotating plate is arranged in the lamp holder shell;
the lamp panel below is equipped with buffer, buffer including set up sliding sleeve, arm component, umbelliform buffering net in the lamp pole outside, set up tray, the air spring in the lamp pole outside and fix the anchor ring in the lamp pole outside, the outside at the sliding sleeve is connected to the one end of arm component, and the other end is connected with umbelliform buffering net, the lower extreme and the tray fixed connection of umbelliform buffering net, be equipped with a plurality of air springs between tray and the anchor ring.
The lamp post comprises an upper lamp post and a lower lamp post, the lower end of the upper lamp post is matched and connected with the upper end of the lower lamp post through a concave-convex block, and a reinforcing ring is fixed on the outer ring of the joint.
The upper ends of the radiating fins are Y-shaped.
Compared with the prior art, the invention has the beneficial effects that:
according to the street lamp, the light source module is fixed on the rotating plates with adjustable included angles, the fixed included angles of the two rotating plates can be adjusted according to installation requirements, the irradiation range of the street lamp is enlarged, and the utilization rate of the light source is improved; the lower surface of the light source accommodating groove and the groove form a concave lens, so that light beams are further diffused, and the whole illumination range and range are increased; and a buffer device is arranged below the lamp panel, so that the risk coefficient of falling of the lamp panel is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the lamphead of the present invention;
fig. 3 is a schematic structural diagram of a light source module according to the present invention.
In the figure: 1. a lamp cap housing; 2. a rotating plate; 3. a rotating shaft; 4. a dial scale; 5. an L-shaped clamping groove; 6. an aluminum substrate; 7. a lens; 8. a light source accommodating groove; 9. a light source; 10. a groove; 11. a heat dissipating fin; 12. a thermal insulation layer; 13. a lamp post is arranged; 14. a lamp pole is arranged; 15. a collar; 16. a lamp panel; 17. a lamp cap; 18. a sliding sleeve; 19. an arm assembly; 20. an umbrella-shaped buffer net; 21. a tray; 22. a gas spring; 23. and (7) reinforcing the ring.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
a high-range high-pole lamp comprises a lamp pole, wherein a lamp panel 16 is arranged at the top end of the lamp pole, a lantern ring 15 is arranged on the inner ring of the lamp panel 16, the lantern ring 15 is fixedly connected with the side wall of the lamp pole, a plurality of lamp holders 17 are arranged on the lower surface of the lamp panel 16, each lamp holder 17 comprises a lamp holder shell 1, each lamp holder shell 1 comprises an upper layer containing cavity and a lower layer containing cavity, the upper layer is a heat insulation layer 12, two rotating plates 2 are arranged in the lower layer, one end of each rotating plate 2 is connected with a rotating shaft 3, one end of each rotating shaft 3 is provided with a dial 4, the other end of each rotating shaft 3 is fixed in the corresponding lower layer containing cavity through a connecting rod, an L-shaped clamping groove 5 is arranged below each rotating plate 2, a light source module is inserted in each L-shaped clamping groove 5 and comprises an aluminum substrate 6 and a, the lower surface of the light source accommodating groove 8 is a concave surface, the lower surface of the lens 7 is provided with a plurality of grooves 10 opposite to the concave surface, a light source 9 is placed in the light source accommodating groove 8, a plurality of radiating fins 11 are arranged above the rotating plate 2, the upper ends of the radiating fins 11 penetrate through an accommodating cavity below the lamp holder shell to enter the thermal insulation layer 12, and a plurality of radiating holes are formed in two sides of the thermal insulation layer 12;
the lamp panel 16 below is equipped with buffer, buffer including set up sliding sleeve 18, arm subassembly 19, umbelliform buffering net 20 in the lamp pole outside, set up tray 21, the air spring 22 in the lamp pole outside and fix the anchor ring 23 in the lamp pole outside, the outside at sliding sleeve 18 is connected to the one end of arm subassembly 19, and the other end is connected with umbelliform buffering net 20, the lower extreme and the tray 21 fixed connection of umbelliform buffering net 20, be equipped with a plurality of air springs 22 between tray 21 and the anchor ring 23.
The lamp post comprises an upper lamp post 14 and a lower lamp post 13, the lower end of the upper lamp post 14 is matched and connected with the upper end of the lower lamp post 13 through a concave-convex block, and a reinforcing ring 23 is fixed on the outer ring of the connection position.
The upper ends of the radiating fins 11 are Y-shaped.
As shown in the attached figure 1 of the specification, the high-range high-pole lamp comprises a lamp pole, wherein the lamp pole consists of an upper lamp pole 14 and a lower lamp pole 13, the lower end of the upper lamp pole 14 is matched and connected with the upper end of the lower lamp pole 13 through a concave-convex block, and a reinforcing ring 23 is fixed on the outer ring of the connection part; the top of lamp pole is equipped with lamp panel 16, the inner circle of lamp panel 16 is equipped with lantern ring 15, lantern ring 15 and lamp pole lateral wall fixed connection, the lower surface of lamp panel 16 is equipped with a plurality of lamp holders 17, lamp panel 16 below is equipped with buffer, buffer is including setting up the sliding sleeve 18 in the lamp pole outside, the arm subassembly 19, umbelliform buffering net 20, the tray 21 of setting in the lamp pole outside, air spring 22 and fix the anchor ring 23 in the lamp pole outside, the outside at sliding sleeve 18 is connected to the one end of arm subassembly 19, the other end is connected with umbelliform buffering net 20, the lower extreme and the tray 21 fixed connection of umbelliform buffering net 20, be equipped with a plurality of air springs 22 between tray 21 and the.
As shown in the attached figure 2 of the specification, the lamp holder 17 comprises a lamp holder housing 1, the lamp holder housing 1 is composed of an upper layer and a lower layer of accommodating cavities, wherein the upper layer is a heat insulation layer 12, two rotating plates 2 are arranged in the lower layer, an included angle between the rotating plates is kept between 135 degrees and 180 degrees, one end of each rotating plate 2 is connected with a rotating shaft 3, one end of each rotating shaft 3 is provided with a dial scale 4, the other end of each rotating shaft 3 is fixed in the lower layer of accommodating cavity through a connecting rod, an L-shaped clamping groove 5 is arranged below each rotating plate 2, a light source module is inserted in each L-shaped clamping groove 5 and comprises an aluminum substrate 6 and a lens 7 arranged on the surface of the aluminum substrate 6, a plurality of light source accommodating grooves 8 are arranged between the lens 7 and the aluminum substrate 6, the lower surfaces of the light source accommodating grooves 8 are concave surfaces, a plurality of grooves, the upper end of the radiating fin 11 is Y-shaped, the upper end of the radiating fin 11 penetrates through the accommodating cavity below the lamp holder shell to enter the heat insulating layer 12, and a plurality of radiating holes are formed in two sides of the heat insulating layer 12.
When the lamp holder is assembled, the angles of the rotating plates are adjusted and fixed according to the use requirements of the illumination range of the high-pole lamp, the rotating plates are adjusted according to the scales of the dial 4, the two rotating plates are connected with the rotating shaft in a locking mode through the locking nuts, the upper ends of the radiating fins are arranged inside the heat insulation layer, and heat inside the lamp holder is dissipated timely.
Buffer plays the cushioning effect to the lamp panel of whereabouts, when the lamp panel whereabouts, the lantern ring promotes the sliding sleeve downwards, the sliding sleeve drives arm component 19 and expandes to open umbelliform buffering net 20, the buffering net can accept the lamp panel and accidentally fall the finding, avoid the high altitude to fall and cause the incident, the lamp panel whereabouts has the impact force to tray 21, air spring 22 sets up between tray 21 and back up collar 23, play further cushioning effect, effectively avoid lamp panel whereabouts to cause the incident, it is more safe to use.
In summary, the present invention is only a preferred embodiment, and not intended to limit the scope of the invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the present invention described in the claims should be included in the scope of the present invention.

Claims (3)

1. A high pole lamp of wide range which characterized in that: the LED lamp comprises a lamp post, wherein a lamp panel (16) is arranged at the top end of the lamp post, a lantern ring (15) is arranged at the inner ring of the lamp panel (16), the lantern ring (15) is fixedly connected with the side wall of the lamp post, a plurality of lamp holders (17) are arranged on the lower surface of the lamp panel (16), each lamp holder (17) comprises a lamp holder shell (1), each lamp holder shell (1) comprises an upper containing cavity and a lower containing cavity, the upper layer is a heat insulation layer (12), two rotating plates (2) are arranged inside the lower layer, one ends of the rotating plates (2) are connected with a rotating shaft (3), a dial (4) is arranged at one end of the rotating shaft (3), the other end of the rotating shaft (3) is fixed in the lower containing cavity through a connecting rod, an L-shaped clamping groove (5) is arranged below the rotating plate (2), a light source module is inserted inside the L-shaped clamping groove (5, a plurality of light source accommodating grooves (8) are formed between the lens (7) and the aluminum substrate (6), the lower surfaces of the light source accommodating grooves (8) are concave surfaces, a plurality of grooves (10) opposite to the concave surfaces are formed in the lower surfaces of the lens (7), the light sources (9) are placed in the light source accommodating grooves (8), a plurality of radiating fins (11) are arranged above the rotating plate (2), the upper ends of the radiating fins (11) penetrate through accommodating cavities below the lamp holder shell to enter the thermal insulation layer (12), and a plurality of radiating holes are formed in two sides of the thermal insulation layer (12);
the lamp holder is characterized in that a buffer device is arranged below the lamp holder (16), the buffer device comprises a sliding sleeve (18) arranged outside the lamp holder, an arm assembly (19), an umbrella-shaped buffer net (20), a tray (21) arranged outside the lamp holder, an air spring (22) and a reinforcing ring (23) fixed outside the lamp holder, one end of the arm assembly (19) is connected to the outside of the sliding sleeve (18), the other end of the arm assembly is connected with the umbrella-shaped buffer net (20), the lower end of the umbrella-shaped buffer net (20) is fixedly connected with the tray (21), and a plurality of air springs (22) are arranged between the tray (21) and the reinforcing ring (23).
2. The high range, high stem lamp of claim 1, wherein: the lamp post comprises an upper lamp post (14) and a lower lamp post (13), the lower end of the upper lamp post (14) is connected with the upper end of the lower lamp post (13) in a matched mode through a concave-convex block, and a reinforcing ring (23) is fixed on the outer ring of the connecting position.
3. The high range, high stem lamp of claim 1, wherein: the upper ends of the radiating fins (11) are Y-shaped.
CN202010599601.4A 2020-06-28 2020-06-28 High range high pole lamp Active CN111765408B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010599601.4A CN111765408B (en) 2020-06-28 2020-06-28 High range high pole lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010599601.4A CN111765408B (en) 2020-06-28 2020-06-28 High range high pole lamp

Publications (2)

Publication Number Publication Date
CN111765408A true CN111765408A (en) 2020-10-13
CN111765408B CN111765408B (en) 2022-07-05

Family

ID=72722396

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010599601.4A Active CN111765408B (en) 2020-06-28 2020-06-28 High range high pole lamp

Country Status (1)

Country Link
CN (1) CN111765408B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202813149U (en) * 2012-10-02 2013-03-20 湖北申安照明科技有限公司 Light-emitting diode (LED) high-pole lamp
CN105465705A (en) * 2015-12-23 2016-04-06 李梅 LED high-pole lamp
CN206626534U (en) * 2017-03-16 2017-11-10 张来新 A kind of illuminating lamp for building
CN207422163U (en) * 2017-11-24 2018-05-29 苏州市银河照明器材有限公司 A kind of Anti-dropping device of high-pole
CN208418369U (en) * 2018-07-25 2019-01-22 山东交通职业学院 The suspension hand-held tow-purpose lamp of ship Anti-fall
CN208935981U (en) * 2018-08-21 2019-06-04 上海皇广光电科技有限公司 A kind of street lamp that anti-part falls

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202813149U (en) * 2012-10-02 2013-03-20 湖北申安照明科技有限公司 Light-emitting diode (LED) high-pole lamp
CN105465705A (en) * 2015-12-23 2016-04-06 李梅 LED high-pole lamp
CN206626534U (en) * 2017-03-16 2017-11-10 张来新 A kind of illuminating lamp for building
CN207422163U (en) * 2017-11-24 2018-05-29 苏州市银河照明器材有限公司 A kind of Anti-dropping device of high-pole
CN208418369U (en) * 2018-07-25 2019-01-22 山东交通职业学院 The suspension hand-held tow-purpose lamp of ship Anti-fall
CN208935981U (en) * 2018-08-21 2019-06-04 上海皇广光电科技有限公司 A kind of street lamp that anti-part falls

Also Published As

Publication number Publication date
CN111765408B (en) 2022-07-05

Similar Documents

Publication Publication Date Title
US8465173B2 (en) LED lamp and street lamp using the same
CN102367920A (en) LED (light emitting diode) wide angle floodlight
US8419215B2 (en) LED lamp and street lamp using the same
CN107062025A (en) A kind of LED variable-angles alignment light emitting system
CN201059445Y (en) LED road lamp device forming rectangular light spot
CN111765408B (en) High range high pole lamp
CN100523601C (en) LED lighting device
KR101863233B1 (en) LED Floodlight with Adjustable Angle of Angle
JP2011228255A (en) Optical unit and lighting device
CN101561087A (en) LED flat light source structure
WO2011058387A1 (en) Led based public lighting lamp
CN201354962Y (en) LED lighting lamp
CN201462499U (en) LED planar light source structure
CN201851986U (en) LED street lamp
CN203442590U (en) Lamp module with long-distance light projection
CN201748223U (en) Led street lamp
CN201547725U (en) Heat dissipation device of LED lamp
CN214222827U (en) LED light projector
CN215174527U (en) Down lamp
CN204328683U (en) A kind of solar energy Projecting Lamp
CN202209538U (en) LED (light-emitting diode) bulb lamp
CN217635137U (en) Semiconductor lighting module with wide irradiation angle
CN203848249U (en) Heat dissipation device for LED track lamps
CN207569648U (en) A kind of LED floodlight
CN215636711U (en) High-power LED street lamp

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Cai Lu

Inventor after: Zhang Yan

Inventor before: Zhang Yan

CB03 Change of inventor or designer information