CN111412412A - Street lamp with adjustable light irradiation range - Google Patents

Street lamp with adjustable light irradiation range Download PDF

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Publication number
CN111412412A
CN111412412A CN202010295494.6A CN202010295494A CN111412412A CN 111412412 A CN111412412 A CN 111412412A CN 202010295494 A CN202010295494 A CN 202010295494A CN 111412412 A CN111412412 A CN 111412412A
Authority
CN
China
Prior art keywords
wall
lamp
street lamp
case
irradiation 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.)
Pending
Application number
CN202010295494.6A
Other languages
Chinese (zh)
Inventor
徐凯
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 Wanjiayao Electrical Group Co ltd
Original Assignee
Jiangsu Wanjiayao Electrical Group 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 Wanjiayao Electrical Group Co ltd filed Critical Jiangsu Wanjiayao Electrical Group Co ltd
Priority to CN202010295494.6A priority Critical patent/CN111412412A/en
Publication of CN111412412A publication Critical patent/CN111412412A/en
Pending legal-status Critical Current

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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
    • 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
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • 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
    • F21V17/12—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 screwing
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • 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
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/506—Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
    • 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
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • 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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention discloses a street lamp with an adjustable light irradiation range, which relates to the technical field of illumination and comprises a base, a lamp post, a case, a lamp body and a lampshade, wherein the upper end of the base is fixedly connected with the lower end of the lamp post, the top of the lamp post is fixedly connected with the top of the case, the top of the lampshade is fixedly connected with the bottom of the case, the bottom of the case is provided with a heat dissipation plate, the inner wall of the heat dissipation plate and the outer wall of the lamp body are both provided with threads, and the outer wall of the lamp body is in threaded connection with the inner wall of the heat dissipation. The controller is used for adjusting the motor to rotate towards different directions, and the motor drives the series of assemblies to move to enable the threaded connecting block to move up and down, so that the support rod drives the elastic light screen to contract and expand, the irradiation range of the street lamp is changed along with the adjustment of the controller, the illumination effect of the street lamp in a special road section is greatly improved, irradiation blind areas are reduced, the practicability of the street lamp is enhanced, and the effect of adjusting the irradiation range is achieved.

Description

Street lamp with adjustable light irradiation range
Technical Field
The invention relates to the technical field of illumination, in particular to a street lamp with an adjustable light irradiation range.
Background
A street lamp, a lamp providing illumination function for roads, a lamp in the road illumination range in traffic illumination, an illumination facility arranged on a road to provide necessary visibility for vehicles and pedestrians at night, and the street lamp is widely applied to various places needing illumination, is favorable for improving road traffic capacity and ensuring traffic safety，Along with the development of the times, the country pays more and more attention to the economic development of the rural area, the muddy road of the rural area is gradually changed into a cement road under the support of the government, and after the road is laid, street lamps need to be installed on the two sides of the road for illumination.
To the existing street lamp, the illumination angle is fixed in advance, the range that light can shine is also fixed, consequently the blind area that shines can appear in some special highway sections or special time, the practicality of street lamp is great reduced like this, and the street lamp generally can be in the state of work for a long time in addition, and permanent work can make the temperature of lamp body too high, especially in summer hot weather, the long-time high temperature work can make the consumption of lamp body too big reduce the life of lamp body.
Disclosure of Invention
The invention aims to provide a street lamp with an adjustable light irradiation range, which has the advantages of cooling, heat dissipation and illumination range adjustment, and solves the problems of long-time high-temperature work, high consumption, short service life, fixed irradiation range, easy occurrence of irradiation blind areas and reduced street lamp practicability of the traditional street lamp.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a light irradiation range adjustable street lamp, includes base, lamp pole, quick-witted case, lamp body and lamp shade, a series of subassemblies of quick-witted incasement portion are used for adjusting the irradiation range of street lamp and cool down to the street lamp, the upper end of base and the lower extreme fixed connection of lamp pole, the top of lamp pole and the top fixed connection of machine case, the top of lamp shade and the bottom fixed connection of machine case, the bottom of machine case is provided with the heating panel, the inner wall of heating panel, the outer wall of lamp body all are provided with the screw thread, the outer wall of lamp body and the inner wall threaded connection of heating panel, a plurality of louvres have all been seted up with.
Furthermore, a first fixing plate is fixedly mounted at the left end of the inner wall of the case, a first motor is fixedly mounted on the inner wall of the first fixing plate and provides power for adjusting the irradiation range, and a first bearing is arranged at the bottom of the fixing plate.
Further, first connecting shaft is installed to the inner wall of first bearing, the upper end of first connecting shaft rotates with the lower extreme of first motor to be connected, first belt pulley is installed to the outer wall of first connecting shaft, the surface mounting of first belt pulley has the belt.
Further, the last surface mounting of machine case has the second bearing, the roller bearing is installed to the inner wall of second bearing, just the stopper is installed to the bottom of roller bearing, the outer wall of roller bearing is provided with the second belt pulley, first belt pulley and second belt pulley are through the belt roll connection who sets up, the outer wall of roller bearing is provided with the screw thread, the outer wall of roller bearing is provided with the threaded connection piece, the roller bearing passes through screw thread and threaded connection piece threaded connection, a plurality of bracing pieces are installed to the outer wall of threaded connection piece.
Furthermore, a second fixing plate is fixedly mounted at the right end of the inner wall of the case, a second motor is fixedly mounted on the inner wall of the second fixing plate and provides power for cooling and heat dissipation of the lamp body, and a third bearing is arranged at the bottom of the second fixing plate.
Furthermore, a second connecting shaft is arranged on the inner wall of the third bearing and is rotatably connected with a second motor, and a fan is fixedly connected to the lower end of the second connecting shaft and is used for cooling the lamp body.
Furthermore, a plurality of fixing holes are formed in the bottom of the case and used for fixing the positions of the supporting rods, the supporting rods are arranged inside the fixing holes, the upper ends of the supporting rods are movably connected with the outer walls of the threaded connecting blocks, elastic light shielding plates are mounted on the outer walls of the supporting rods, and the elastic light shielding plates are made of flexible materials.
Compared with the prior art, this street lamp that light irradiation range is adjustable possesses following beneficial effect:
1. according to the invention, the controller is used for adjusting the first motor to rotate towards different directions, and the threaded connecting block is moved up and down after the first motor drives a series of assemblies to move, so that the support rod drives the elastic light screen to contract and expand, the irradiation range of the street lamp is changed along with the adjustment of the controller, the illumination effect of the street lamp at a special road section is improved, an irradiation blind area is avoided, the practicability of the street lamp is enhanced, and the effect of adjusting the irradiation range is achieved.
2. The street lamp cooling device has the advantages that the fan arranged in the case is rotated through the series of components, the lamp body is cooled through the radiating holes arranged on the radiating plate after the fan rotates to generate airflow, and the airflow is exhausted through the radiating holes on the lamp cover, so that the street lamp is cooled through radiating, and the service life of the street lamp is prolonged.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a partial cross-sectional view of the structure of the present invention;
fig. 3 is a partial bottom view of the inventive structure.
In the figure: 1. a base; 2. a lamp post; 3. a chassis; 4. a lamp body; 5. a lamp shade; 6. a first fixing plate; 7. a first motor; 8. a first connecting shaft; 9. a first bearing; 10. a first pulley; 11. a belt; 12. a second bearing; 13. a roller; 14. a second pulley; 15. a threaded connection block; 16. a support bar; 17. a heat dissipation plate; 18. a second fixing plate; 19. a second motor; 20. a second connecting shaft; 21. a third bearing; 22. a fan; 23. a fixing hole; 24. an elastic light screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a street lamp with adjustable light irradiation range comprises a base 1, a lamp post 2, a case 3, a lamp body 4 and a lampshade 5, wherein the upper end of the base 1 is fixedly connected with the lower end of the lamp post 2, the top of the lamp post 2 is fixedly connected with the top of the case 3, the top of the lampshade 5 is fixedly connected with the bottom of the case 3, the bottom of the case 3 is provided with a heat dissipation plate 17, the inner wall of the heat dissipation plate 17 and the outer wall of the lamp body 4 are both provided with threads, the outer wall of the lamp body 4 is in threaded connection with the inner wall of the heat dissipation plate 17, the lampshade 5 and the heat dissipation plate 17 are both provided with a plurality of heat dissipation holes, the left end of the inner wall of the case 3 is fixedly provided with a first fixing plate 6, the inner wall of the first fixing plate 6 is fixedly provided with a first motor 7, the bottom of the fixing plate is provided with a first bearing 9, a first belt pulley 10 is mounted on the outer wall of the first connecting shaft 8, a belt 11 is mounted on the surface of the first belt pulley 10, a second bearing 12 is mounted on the upper surface of the case 3, a roller 13 is mounted on the inner wall of the second bearing 12, a limiting block is mounted at the bottom of the roller 13 and used for limiting the progress of the threaded connecting block 15 and preventing the threaded connecting block 15 from being separated from the roller 13, a second belt pulley 14 is arranged on the outer wall of the roller 13, the first belt pulley 10 and the second belt pulley 14 are in rolling connection through the arranged belt 11, a thread is arranged on the outer wall of the roller 13, a threaded connecting block 15 is arranged on the outer wall of the roller 13, the roller 13 is in threaded connection with the threaded connecting block 15 through the thread, a plurality of support rods 16 are mounted on the outer wall of the case 15, a second fixing plate 18 is fixedly mounted at the right end of the inner wall of the, the inner wall of the third bearing 21 is provided with a second connecting shaft 20, the second connecting shaft 20 is rotatably connected with a second motor 19, the lower end of the second connecting shaft 20 is fixedly connected with a fan 22, the lamp body is cooled through a radiating hole arranged on a radiating plate 17 after the fan rotates to generate air flow, the air flow is discharged through a radiating hole on the lamp cover 5 so as to achieve the effects of radiating and cooling the street lamp and prolonging the service life, the bottom of the case 3 is provided with a plurality of fixing holes 23, a supporting rod 16 is arranged inside the fixing holes 23, the upper end of the supporting rod 16 is movably connected with the outer wall of the threaded connecting block 15, the outer wall of the supporting rod 16 is provided with an elastic shading plate 24, the elastic shading plate 24 is made of a flexible material, the preferable flexible material is shading cloth with poor light transmission, the supporting rod 16 drives the elastic shading plate to contract and expand, so, the lighting effect of the street lamp in the special road section is improved, the irradiation blind area is avoided, the practicability of the street lamp is enhanced, and the effect of adjustable irradiation range is achieved.
When the lighting device is used, the base 1 is fixedly installed at the edge of a road needing lighting, one end of a lamp controller arranged above the heat dissipation plate 17 is connected with municipal voltage, the other end of the lamp controller is connected with the lamp 4 to control the brightness of the lamp 4, the rotating direction of the first motor 7 is adjusted through the controller after the circuit is switched on to drive the first connecting shaft 8 to rotate, the first connecting shaft 8 can drive the first belt pulley 10 at the bottom to rotate along with the first connecting shaft, the first belt pulley 10 transmits kinetic energy to the second belt pulley 14 through the belt 11, the second belt pulley 14 drives the rolling shaft 13 to rotate, the threaded connecting block 15 can move up and down through threads at the lower end of the rolling shaft 13, so that the elastic shading plate 24 can be contracted and expanded by driving the movement of the supporting rod 16, when the elastic shading plate 24 is contracted, the lighting range can be reduced, when the elastic shading plate is expanded, the lighting range, in order to reach the effect of adjusting the light irradiation scope, start second motor 19 and drive second connecting axle 20 and rotate to make second connecting axle 20 drive fan 22 and rotate and produce the air current, rethread heating panel 17 makes the air current conduct with the louvre on the lamp shade 5, cools down the heat dissipation to lamp body 4, in order to reach the effect of heat dissipation cooling, increase of service life.

Claims (7)

1. The utility model provides a street lamp of light irradiation range adjustable, includes base (1), lamp pole (2), quick-witted case (3), lamp body (4) and lamp shade (5), its characterized in that: the lamp comprises a base (1), the upper end of the base (1) and the lower end of a lamp post (2) are fixedly connected, the top of the lamp post (2) and the top of a case (3) are fixedly connected, the top of a lamp shade (5) and the bottom of the case (3) are fixedly connected, a heat dissipation plate (17) is arranged at the bottom of the case (3), threads are arranged on the inner wall of the heat dissipation plate (17) and the outer wall of a lamp body (4), the outer wall of the lamp body (4) is connected with the threads of the inner wall of the heat dissipation plate (17), and a plurality of heat dissipation holes are formed in the lamp shade (5) and the heat.
2. The street lamp with the adjustable light irradiation range according to claim 1, characterized in that: the left end fixed mounting of quick-witted case (3) inner wall has first fixed plate (6), the inner wall fixed mounting of first fixed plate (6) has first motor (7), the bottom of fixed plate is provided with first bearing (9).
3. The street lamp with the adjustable light irradiation range according to claim 2, characterized in that: first connecting shaft (8) are installed to the inner wall of first bearing (9), the upper end of first connecting shaft (8) is rotated with the lower extreme of first motor (7) and is connected, first belt pulley (10) are installed to the outer wall of first connecting shaft (8), the surface mounting of first belt pulley (10) has belt (11).
4. The street lamp with the adjustable light irradiation range according to claim 3, characterized in that: the last surface mounting of machine case (3) has second bearing (12), roller bearing (13) are installed to the inner wall of second bearing (12), just the stopper is installed to the bottom of roller bearing (13), the outer wall of roller bearing (13) is provided with second belt pulley (14), belt (11) roll connection through setting up of first belt pulley (10) and second belt pulley (14), the outer wall of roller bearing (13) is provided with the screw thread, the outer wall of roller bearing (13) is provided with threaded connection piece (15), roller bearing (13) pass through screw thread and threaded connection piece (15) threaded connection, a plurality of bracing pieces (16) are installed to the outer wall of threaded connection piece (15).
5. The street lamp with the adjustable light irradiation range according to claim 1, characterized in that: the right end of the inner wall of the case (3) is fixedly provided with a second fixing plate (18), the inner wall of the second fixing plate (18) is fixedly provided with a second motor (19), and the bottom of the second fixing plate (18) is provided with a third bearing (21).
6. The street lamp with the adjustable lamp light irradiation range according to claim 5, characterized in that: the inner wall of the third bearing (21) is provided with a second connecting shaft (20), the second connecting shaft (20) is rotatably connected with a second motor (19), and the lower end of the second connecting shaft (20) is fixedly connected with a fan (22).
7. The street lamp with the adjustable lamp light irradiation range according to claim 5, characterized in that: the novel computer case is characterized in that a plurality of fixing holes (23) are formed in the bottom of the computer case (3), a supporting rod (16) is arranged inside each fixing hole (23), the upper end of each supporting rod (16) is movably connected with the outer wall of the corresponding threaded connecting block (15), an elastic light screen (24) is installed on the outer wall of each supporting rod (16), and the elastic light screen (24) is made of a flexible material.
CN202010295494.6A 2020-04-15 2020-04-15 Street lamp with adjustable light irradiation range Pending CN111412412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010295494.6A CN111412412A (en) 2020-04-15 2020-04-15 Street lamp with adjustable light irradiation range

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010295494.6A CN111412412A (en) 2020-04-15 2020-04-15 Street lamp with adjustable light irradiation range

Publications (1)

Publication Number Publication Date
CN111412412A true CN111412412A (en) 2020-07-14

Family

ID=71492004

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010295494.6A Pending CN111412412A (en) 2020-04-15 2020-04-15 Street lamp with adjustable light irradiation range

Country Status (1)

Country Link
CN (1) CN111412412A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112535539A (en) * 2021-01-27 2021-03-23 马上海 Liver courage pancreas surgery is with changeable shading infrared lighting fixture of angle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112535539A (en) * 2021-01-27 2021-03-23 马上海 Liver courage pancreas surgery is with changeable shading infrared lighting fixture of angle

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200714

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