CN112178577A - Rail transit lighting device with good heat dissipation effect - Google Patents
Rail transit lighting device with good heat dissipation effect Download PDFInfo
- Publication number
- CN112178577A CN112178577A CN202010954085.2A CN202010954085A CN112178577A CN 112178577 A CN112178577 A CN 112178577A CN 202010954085 A CN202010954085 A CN 202010954085A CN 112178577 A CN112178577 A CN 112178577A
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- Prior art keywords
- heat dissipation
- transmission shaft
- connecting rod
- lampshade
- lighting device
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 116
- 230000000694 effects Effects 0.000 title claims abstract description 38
- 239000000428 dust Substances 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000000712 assembly Effects 0.000 claims abstract description 16
- 238000000429 assembly Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 83
- 238000004140 cleaning Methods 0.000 claims description 29
- 230000008093 supporting effect Effects 0.000 claims description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
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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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- 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
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
-
- 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
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components 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
- 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
-
- 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
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
-
- 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
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to a track traffic lighting device with good heat dissipation effect, which comprises a fixing plate, a lampshade and two lamp tubes, the fixed plate is horizontally arranged, the lampshade is arranged at the bottom of the fixed plate and is hermetically connected with the fixed plate, the lamp tube is cylindrical, the lamp tube is horizontally arranged in the lampshade, the lampshade is internally provided with a dust removal mechanism, the top of the fixed plate is provided with a heat dissipation mechanism, the dust removal mechanism comprises a power assembly and two heat dissipation assemblies, the heat dissipation components correspond to the lamp tubes one by one, the power component is positioned between the two heat dissipation components, the heat dissipation assembly comprises a first slide block, a screw rod, a connecting rod, a sealing plate, fan blades, round holes and through holes, this track traffic lighting device that radiating effect is good has realized the function of removing dust through dust removal mechanism, moreover, has still promoted radiating function through heat dissipation mechanism.
Description
Technical Field
The invention relates to the field of rail transit, in particular to a rail transit lighting device with a good heat dissipation effect.
Background
The rail transit refers to a type of transportation means or transportation system in which an operating vehicle needs to travel on a specific rail, wherein an illumination lamp is an indispensable illumination device in the rail transit.
The existing illuminating lamp is used, due to reasons such as aging, the sealing performance can be reduced, dust enters the inside of the illuminating lamp and is attached to the lamp tube, the light generated by the lamp tube can be shielded by the dust in the morning, the illuminating effect is influenced, moreover, the radiating fins are mostly adopted for radiating the existing illuminating lamp, after the illuminating lamp is used for a long time, a large amount of dust can be generated on the radiating fins, the dust can influence the radiating capacity of the radiating fins, and therefore the radiating effect of the illuminating lamp is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the rail transit lighting device with a good heat dissipation effect is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a rail transit lighting device with a good heat dissipation effect comprises a fixing plate, a lampshade and two lamp tubes, wherein the fixing plate is horizontally arranged, the lampshade is arranged at the bottom of the fixing plate and is in sealed connection with the fixing plate, the lamp tubes are cylindrical, the lamp tubes are horizontally arranged in the lampshade, a dust removal mechanism is arranged in the lampshade, and a heat dissipation mechanism is arranged at the top of the fixing plate;
the dust removal mechanism comprises a power assembly and two heat dissipation assemblies, the heat dissipation assemblies correspond to the lamp tubes one by one, and the power assembly is positioned between the two heat dissipation assemblies;
the heat dissipation assembly comprises first sliding blocks, a screw rod, a connecting rod, a sealing plate, fan blades, round holes and a through hole, wherein the through hole and the round hole are arranged on the same side of the lampshade, the fan blades are arranged in the through hole, the connecting rod is coaxially arranged with the lamp tubes, the diameter of the connecting rod is equal to the outer diameters of the lamp tubes, the connecting rod penetrates through the round hole, the connecting rod is in sliding and sealing connection with the inner wall of the round hole, the two first sliding blocks are positioned between the two lamp tubes, a gap is formed between the two first sliding blocks, the first sliding blocks are fixed at one ends of the lamp tubes, one ends of the connecting rods are fixed at the other ends of the lamp tubes, the sealing plate is perpendicular to the connecting rod and is fixed at the other end of the connecting rod, the sealing plate is attached to one side of the lampshade and is, the fan blades are arranged at the other end of the screw rod, the first sliding block is sleeved on the screw rod and is abutted against the bottom of the fixed plate, threads matched with the screw rod are arranged at the joint of the first sliding block and the screw rod, the rotating directions of the threads of the two screw rods are opposite, an air hole is formed in the bottom of the lampshade, and a filter screen is arranged in the air hole;
the heat dissipation mechanism comprises a driving motor, a transmission shaft, a first bearing and at least two heat dissipation assemblies, the transmission shaft is parallel to the fixed plate, the driving motor is in transmission connection with one end of the transmission shaft, the inner ring of the first bearing is installed at the other end of the transmission shaft, the outer rings of the driving motor and the first bearing are both fixedly connected with the bottom of the fixed plate, and the heat dissipation assemblies are uniformly arranged on the transmission shaft along the axis of the transmission shaft;
the heat dissipation assembly comprises a heat dissipation plate and two heat dissipation units, the heat dissipation plate is perpendicular to the transmission shaft, an assembly hole is formed in the heat dissipation plate, the transmission shaft penetrates through the assembly hole, the transmission shaft is hermetically and fixedly connected with the inner wall of the assembly hole, and the two heat dissipation units are respectively arranged on two sides of the heat dissipation plate;
the heat dissipation unit comprises a cleaning ring and at least two transmission units, the cleaning ring and the transmission shaft are coaxially arranged, the transmission shaft penetrates through the cleaning ring and is in sliding connection with the cleaning ring, one side, close to the heat dissipation plate, of the cleaning ring is paved with a hairbrush, a gap is formed between the hairbrush and the heat dissipation plate, and the transmission units are circumferentially and uniformly distributed on one side, far away from the heat dissipation plate, of the cleaning ring by taking the axis of the transmission shaft as a center;
the transmission unit includes bracing piece, second slider, connecting rod and spring, the axis of bracing piece is perpendicular and crossing with the axis of transmission shaft, the one end of bracing piece is fixed on the transmission shaft, the second slider cover is established on the bracing piece and is supported with the transmission shaft and lean on, one side of keeping away from the transmission shaft of second slider is passed through the spring and is connected with the one end of keeping away from the transmission shaft of bracing piece, the second slider passes through the connecting rod and articulates with clean ring, the connecting rod slope sets up, the distance between the one end of connecting rod that is close to between clean ring and the transmission shaft is greater than the distance between the other end of connecting rod and the transmission.
Preferably, in order to improve the heat dissipation effect, the heat dissipation plate is coated with heat-conducting silica gel.
As preferred, in order to realize the synchronous rotation of two lead screws, power component includes motor power, drive gear, driven gear, axis of rotation and two second bearings, motor power and lamp shade fixed connection just are connected with drive gear transmission, axis of rotation and the coaxial setting of lead screw, two lead screws are fixed respectively at the both ends of axis of rotation, second bearing and lead screw one-to-one, the inner circle of second bearing is installed in the axis of rotation, the outer lane and the lamp shade fixed connection of second bearing, driven gear installs in the axis of rotation, drive gear and driven gear meshing.
Preferably, the drive motor is a servo motor in order to increase the drive force of the drive motor.
Preferably, the sealing plate is made of rubber for achieving buffering and vibration reduction.
Preferably, in order to improve the lighting effect, the bottom of the fixing plate is a mirror surface.
Preferably, in order to reduce the frictional force between the screw rod and the first slider, the screw rod is coated with a lubricating oil.
Preferably, in order to reduce the gap between the connecting rod and the inner wall of the circular hole, the inner wall of the circular hole is coated with sealing grease.
Preferably, in order to prolong the service life of the fixing plate, an anti-corrosion zinc coating is arranged on the fixing plate.
Preferably, in order to facilitate the installation of the connecting rod, chamfers are arranged at both ends of the connecting rod.
The rail transit lighting device with the good heat dissipation effect has the beneficial effects that the dust removal function is realized through the dust removal mechanism, compared with the existing dust removal mechanism, the dust removal mechanism can improve the heat dissipation effect through the flow of air in the lamp tube, the practicability is stronger, not only is the heat dissipation effect improved, but also the heat dissipation function is improved through the heat dissipation mechanism, compared with the existing heat dissipation mechanism, the heat dissipation mechanism can improve the heat dissipation capability of the heat dissipation plate through removing dust on the heat dissipation plate, namely the heat dissipation effect is improved, and the practicability is stronger.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a track traffic lighting device with a good heat dissipation effect according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural diagram of a heat dissipation assembly of the track traffic lighting device with a good heat dissipation effect according to the present invention;
FIG. 4 is a schematic structural diagram of a power assembly of the track traffic lighting device with a good heat dissipation effect according to the present invention;
in the figure: 1. the novel LED lamp comprises a fixing plate, 2 parts of a lamp shade, 3 parts of a lamp tube, 4 parts of a first sliding block, 5 parts of a screw rod, 6 parts of a connecting rod, 7 parts of a sealing plate, 8 parts of a fan blade, 9 parts of a driving motor, 10 parts of a transmission shaft, 11 parts of a first bearing, 12 parts of a heat dissipation plate, 13 parts of a cleaning ring, 14 parts of a supporting rod, 15 parts of a second sliding block, 16 parts of a connecting rod, 17 parts of a spring, 18 parts of a power motor, 19 parts of a driving gear, 20 parts of a driven gear, 21 parts of a rotating shaft, 22 parts of a second.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-2, a track traffic lighting device with good heat dissipation effect comprises a fixing plate 1, a lampshade 2 and two lamp tubes 3, wherein the fixing plate 1 is horizontally arranged, the lampshade 2 is arranged at the bottom of the fixing plate 1 and is hermetically connected with the fixing plate 1, the lamp tubes 3 are cylindrical, the lamp tubes 3 are horizontally arranged in the lampshade 2, a dust removal mechanism is arranged in the lampshade 2, and the top of the fixing plate 1 is provided with a heat dissipation mechanism;
the dust removal mechanism comprises a power assembly and two heat dissipation assemblies, the heat dissipation assemblies correspond to the lamp tubes 3 one by one, and the power assembly is positioned between the two heat dissipation assemblies;
the heat dissipation assembly comprises first sliders 4, a screw rod 5, a connecting rod 6, a sealing plate 7, fan blades 8, round holes and through holes, wherein the through holes and the round holes are arranged on the same side of the lampshade 2, the fan blades 8 are arranged in the through holes, the connecting rod 6 is coaxially arranged with the lamp tubes 3, the diameter of the connecting rod 6 is equal to the outer diameter of the lamp tubes 3, the connecting rod 6 penetrates through the round holes, the connecting rod 6 is in sliding and sealing connection with the inner walls of the round holes, the two first sliders 4 are positioned between the two lamp tubes 3, a gap is arranged between the two first sliders 4, the first slider 4 is fixed at one end of each lamp tube 3, one end of the connecting rod 6 is fixed at the other end of each lamp tube 3, the sealing plate 7 is perpendicular to the connecting rod 6 and is fixed at the other end of the connecting rod 6, the sealing plate 7 is attached to one side of the lampshade 2 and is, the power assembly is in transmission connection with one end of a screw rod 5, the fan blade 8 is installed at the other end of the screw rod 5, the first sliding block 4 is sleeved on the screw rod 5 and abuts against the bottom of the fixing plate 1, threads matched with the screw rod 5 are arranged at the connection part of the first sliding block 4 and the screw rod 5, the thread turning directions of the two screw rods 5 are opposite, air holes are formed in the bottom of the lampshade 2, and filter screens 23 are installed in the air holes;
fixing the fixing plate 1 at the installation position, lighting the lamp tube 3, when dust exists on the lamp tube 3, enabling the two screw rods 5 to synchronously rotate through the power assembly, enabling the two first sliding blocks 4 to move away, enabling the lamp tube 3 to move into the round hole and slide on the inner wall of the round hole through the movement of the first sliding blocks 4, enabling the dust on the lamp tube 3 to be scraped, and enabling the sealing plate 7 to be separated from the through hole, and during the rotation of the screw rods 5, driving the fan blades 8 to rotate, enabling air to be conveyed into the lampshade 2 from the round hole through the rotation of the fan blades 8, enabling the air in the lampshade 2 to be exhausted from the air hole, then enabling the screw rods 5 to reversely rotate through the power assembly, enabling the lamp tube 3 and the sealing plate 7 to reset, at the moment, enabling the fan blades 8 to reversely rotate, enabling the air to be conveyed into the lampshade 2 from the air hole, and enabling the air in the lampshade 2 to be exhausted from, the dust removed from the lamp tube 3 can be discharged from the circular hole under the action of the airflow, and the dust conveyed from the air hole to the air in the lamp shade 2 can be intercepted through the filter screen 23, so that the dust prevention is realized.
As shown in fig. 3, the heat dissipation mechanism includes a driving motor 9, a transmission shaft 10, a first bearing 11 and at least two heat dissipation assemblies, the transmission shaft 10 is parallel to the fixing plate 1, the driving motor 9 is in transmission connection with one end of the transmission shaft 10, an inner ring of the first bearing 11 is installed at the other end of the transmission shaft 10, outer rings of the driving motor 9 and the first bearing 11 are both fixedly connected with the bottom of the fixing plate 1, and the heat dissipation assemblies are uniformly arranged on the transmission shaft 10 along the axis of the transmission shaft 10;
the heat dissipation assembly comprises a heat dissipation plate 12 and two heat dissipation units, the heat dissipation plate 12 is perpendicular to the transmission shaft 10, an assembly hole is formed in the heat dissipation plate 12, the transmission shaft 10 penetrates through the assembly hole, the transmission shaft 10 is in sealed and fixed connection with the inner wall of the assembly hole, and the two heat dissipation units are respectively arranged on two sides of the heat dissipation plate 12;
the heat dissipation unit comprises a cleaning ring 13 and at least two transmission units, the cleaning ring 13 and the transmission shaft 10 are coaxially arranged, the transmission shaft 10 penetrates through the cleaning ring 13 and is in sliding connection with the cleaning ring 13, one side, close to the heat dissipation plate 12, of the cleaning ring 13 is paved with a hairbrush 24, a gap is formed between the hairbrush 24 and the heat dissipation plate 12, and the transmission units are circumferentially and uniformly distributed on one side, far away from the heat dissipation plate 12, of the cleaning ring 13 by taking the axis of the transmission shaft 10 as a center;
the transmission unit includes bracing piece 14, second slider 15, connecting rod 16 and spring 17, the axis of bracing piece 14 is perpendicular and crossing with the axis of transmission shaft 10, the one end of bracing piece 14 is fixed on transmission shaft 10, second slider 15 cover is established on bracing piece 14 and is leaned on with transmission shaft 10, one side of keeping away from transmission shaft 10 of second slider 15 is passed through spring 17 and is connected with the one end of keeping away from transmission shaft 10 of bracing piece 14, second slider 15 is articulated with clean ring 13 through connecting rod 16, connecting rod 16 slope sets up, the distance between the one end that is close to clean ring 13 of connecting rod 16 and transmission shaft 10 is greater than the distance between the other end of connecting rod 16 and the transmission shaft 10.
When dust exists on the heat dissipation plate 12, the driving motor 9 is started to rotate the transmission shaft 10 under the supporting action of the first bearing 11, the rotation of the transmission shaft 10 drives the support rod 14 to synchronously rotate, i.e. the second slider 15 moves towards the direction far from the transmission shaft 10 under the action of centrifugal force, and simultaneously the spring 17 is compressed, the movement of the second slider 15 towards the direction far from the transmission shaft 10 drives the cleaning ring 13 to move towards the direction close to the heat dissipation plate 12 through the connecting rod 16, and the brush 24 is abutted against the heat dissipation plate 12, the rotation of the support rod 14 drives the cleaning ring 13 to rotate through the second slider 15 and the connecting rod 16, the rotation of the cleaning ring 13 drives the brush 24 to rotate on the heat dissipation plate 12, i.e. the dust on the heat dissipation plate 12 can be removed by the brush 24, after the driving motor 9 stops rotating, the second sliding block 15 is reset under the elastic action of the spring 17, and the reset of the second sliding block 15 is reset through the driving cleaning rings 13 on both sides, so that the brush 24 is separated from the heat dissipation plate 12, and the heat on the heat dissipation plate 12 is prevented from accelerating the aging speed of the brush 24.
Preferably, in order to improve the heat dissipation effect, the heat dissipation plate 12 is coated with a heat conductive silicone.
The function of the heat conductive silicone is to improve the heat dissipation capability of the heat dissipation plate 12, so as to improve the heat dissipation effect of the lamp 3.
As shown in fig. 4, the power assembly includes a power motor 18, a driving gear 19, a driven gear 20, a rotating shaft 21 and two second bearings 22, the power motor 18 is fixedly connected with the lampshade 2 and is in transmission connection with the driving gear 19, the rotating shaft 21 is coaxially arranged with the screw rods 5, the two screw rods 5 are respectively fixed at two ends of the rotating shaft 21, the second bearings 22 are in one-to-one correspondence with the screw rods 5, the inner ring of the second bearing 22 is installed on the rotating shaft 21, the outer ring of the second bearing 22 is fixedly connected with the lampshade 2, the driven gear 20 is installed on the rotating shaft 21, and the driving gear 19 is meshed with the driven gear 20.
The power motor 18 is started, so that the driving gear 19 drives the driven gear 20 to rotate, the rotation of the driven gear 20 drives the rotating shaft 21 to rotate under the supporting action of the second bearing 22, and the rotation of the rotating shaft 21 drives the two screw rods 5 to synchronously rotate.
Preferably, the driving motor 9 is a servo motor in order to increase the driving force of the driving motor 9.
The servo motor has a characteristic of strong overload capability, so that the driving force of the driving motor 9 can be improved.
Preferably, the material of the sealing plate 7 is rubber for achieving cushioning and vibration reduction.
The rubber texture is comparatively soft, can reduce the impact force that produces when closing plate 7 supports with lamp shade 2 and leans on, has realized buffering and damping.
Preferably, in order to enhance the illumination effect, the bottom of the fixing plate 1 is a mirror surface.
The light generated by the lamp tube 3 can be reflected through the mirror surface, so that the light utilization rate can be improved, and the lighting effect can be improved.
Preferably, in order to reduce the friction between the screw 5 and the first slider 4, the screw 5 is coated with a lubricating oil.
The lubricating oil is used for reducing the friction force between the screw rod 5 and the first sliding block 4, and the moving fluency of the first sliding block 4 is improved.
Preferably, in order to reduce the gap between the connecting rod 6 and the inner wall of the circular hole, the inner wall of the circular hole is coated with sealing grease.
The sealing grease has the effect of reducing the gap between the connecting rod 6 and the inner wall of the circular hole, and the sealing performance is improved.
Preferably, in order to prolong the service life of the fixing plate 1, an anti-corrosion zinc coating is arranged on the fixing plate 1.
The function of anticorrosive zinc coating is to promote the rust-resistant ability of fixed plate 1, has prolonged the life of fixed plate 1.
Preferably, in order to facilitate the installation of the connecting rod 6, both ends of the connecting rod 6 are provided with chamfers.
The chamfer angle is used for reducing the caliber of the connecting rod 6 when the connecting rod passes through the round hole, and the effect of convenient installation is achieved.
Fixing the fixing plate 1 at the installation position, realizing illumination by lighting the lamp tube 3, when dust exists on the lamp tube 3, starting up by the power motor 18, enabling the driving gear 19 to drive the driven gear 20 to rotate, the rotation of the driven gear 20 drives the rotating shaft 21 to rotate under the supporting action of the second bearing 22, the rotation of the rotating shaft 21 drives the two screw rods 5 to synchronously rotate, and enables the two first sliders 4 to move away, the lamp tube 3 is moved into the circular hole and slides on the inner wall of the circular hole by the movement of the first sliders 4, so that the dust on the lamp tube 3 can be scraped, the sealing plate 7 is separated from the through hole, and during the rotation of the screw rods 5, the fan blades 8 are driven to rotate, air can be conveyed into the lampshade 2 from the circular hole by the rotation of the fan blades 8, the air in the lampshade 2 is exhausted from the air hole, and then the driving gear 19 reversely rotates by the power assembly, the screw rod 5 can be rotated reversely, that is, the lamp tube 3 and the sealing plate 7 can be reset, at the same time, the fan blades 8 can be rotated reversely, so that air is conveyed into the lampshade 2 from the air holes, the air in the lampshade 2 is discharged from the round holes, the dust removed from the lamp tube 3 can be discharged from the round holes under the action of air flow, the dust conveyed into the air in the lampshade 2 from the air holes can be intercepted through the filter screen 23, thereby realizing dust prevention, in addition, the heat is generated during the lighting of the lamp tube 3, the heat is transferred to the fixing plate 1 through the air and then transferred to the heat dissipation plate 12, when the dust exists on the heat dissipation plate 12, the driving motor 9 is started, so that the transmission shaft 10 rotates under the supporting action of the first bearing 11, the rotation of the transmission shaft 10 drives the supporting rod 14 to realize synchronous rotation, namely, the second slide block 15 can move towards the direction far away from the transmission shaft 10 under the, make the spring 17 compression simultaneously, the removal of second slider 15 towards keeping away from transmission shaft 10 direction passes through connecting rod 16 and drives cleaning ring 13 towards being close to the removal of heating panel 12 direction, and make brush 24 and heating panel 12 support and lean on, and the rotation of bracing piece 14 drives cleaning ring 13 through second slider 15 and connecting rod 16 and rotates, cleaning ring 13's rotation drives brush 24 and rotates on heating panel 12, can make the dust on the heating panel 12 clear away by brush 24 promptly, after driving motor 9 stall, make second slider 15 reset under spring 17's elastic action, the reset of second slider 15 resets through the drive cleaning ring 13 of both sides, can so that brush 24 and heating panel 12 separate, prevent that the heat on the heating panel 12 from accelerating the ageing speed of brush 24.
Compared with the prior art, this track traffic lighting device that radiating effect is good has realized the function of removing dust through dust removal mechanism, compare with current dust removal mechanism, this dust removal mechanism passes through the flow of air in fluorescent tube 3, can also promote the radiating effect, the practicality is stronger, moreover, still promote radiating function through heat dissipation mechanism, compare with current heat dissipation mechanism, this heat dissipation mechanism is through cleaing away the dust on the heating panel 12, can promote the heat-sinking capability of heating panel 12, can be in order to promote the radiating effect, the practicality is stronger.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A rail transit lighting device with a good heat dissipation effect comprises a fixing plate (1), a lampshade (2) and two lamp tubes (3), wherein the fixing plate (1) is horizontally arranged, the lampshade (2) is arranged at the bottom of the fixing plate (1) and is in sealing connection with the fixing plate (1), the lamp tubes (3) are cylindrical, and the lamp tubes (3) are horizontally arranged in the lampshade (2), and the rail transit lighting device is characterized in that a dust removal mechanism is arranged in the lampshade (2), and a heat dissipation mechanism is arranged at the top of the fixing plate (1);
the dust removal mechanism comprises a power assembly and two heat dissipation assemblies, the heat dissipation assemblies correspond to the lamp tubes (3) one by one, and the power assembly is positioned between the two heat dissipation assemblies;
the heat dissipation assembly comprises first sliding blocks (4), a lead screw (5), a connecting rod (6), a sealing plate (7), fan blades (8), round holes and through holes, wherein the through holes and the round holes are arranged on the same side of a lampshade (2), the fan blades (8) are arranged in the through holes, the connecting rod (6) and a lamp tube (3) are coaxially arranged, the diameter of the connecting rod (6) is equal to the outer diameter of the lamp tube (3), the connecting rod (6) penetrates through the round holes, the connecting rod (6) is in sliding and sealing connection with the inner wall of the round holes, the two first sliding blocks (4) are positioned between the two lamp tubes (3), a gap is formed between the two first sliding blocks (4), the first sliding blocks (4) are fixed at one end of the lamp tube (3), one end of the connecting rod (6) is fixed at the other end of the lamp tube (3), the sealing plate (7) is perpendicular to the connecting rod (6), the sealing plate (7) is attached to one side of the lampshade (2) and is in sealing connection with the through hole, the screw rod (5) is parallel to the lamp tube (3) and is located between the fixing plate (1) and the lamp tube (3), the power assembly is in transmission connection with one end of the screw rod (5), the fan blade (8) is installed at the other end of the screw rod (5), the first sliding block (4) is sleeved on the screw rod (5) and abuts against the bottom of the fixing plate (1), threads matched with the screw rod (5) are arranged at the connecting part of the first sliding block (4) and the screw rod (5), the thread turning directions of the two screw rods (5) are opposite, the bottom of the lampshade (2) is provided with an air hole, and a filter screen (23) is installed in the air hole;
the heat dissipation mechanism comprises a driving motor (9), a transmission shaft (10), a first bearing (11) and at least two heat dissipation assemblies, wherein the transmission shaft (10) is parallel to the fixing plate (1), the driving motor (9) is in transmission connection with one end of the transmission shaft (10), the inner ring of the first bearing (11) is installed at the other end of the transmission shaft (10), the outer rings of the driving motor (9) and the first bearing (11) are fixedly connected with the bottom of the fixing plate (1), and the heat dissipation assemblies are uniformly arranged on the transmission shaft (10) along the axis of the transmission shaft (10);
the heat dissipation assembly comprises a heat dissipation plate (12) and two heat dissipation units, the heat dissipation plate (12) is perpendicular to the transmission shaft (10), an assembly hole is formed in the heat dissipation plate (12), the transmission shaft (10) penetrates through the assembly hole, the transmission shaft (10) is sealed and fixedly connected with the inner wall of the assembly hole, and the two heat dissipation units are respectively arranged on two sides of the heat dissipation plate (12);
the heat dissipation unit comprises a cleaning ring (13) and at least two transmission units, the cleaning ring (13) and the transmission shaft (10) are coaxially arranged, the transmission shaft (10) penetrates through the cleaning ring (13) and is in sliding connection with the cleaning ring (13), one side, close to the heat dissipation plate (12), of the cleaning ring (13) is paved with a hairbrush (24), a gap is formed between the hairbrush (24) and the heat dissipation plate (12), and the transmission units are circumferentially and uniformly distributed on one side, far away from the heat dissipation plate (12), of the cleaning ring (13) by taking the axis of the transmission shaft (10) as a center;
the transmission unit comprises a support rod (14), a second sliding block (15), a connecting rod (16) and a spring (17), the axis of the supporting rod (14) is vertical to and intersected with the axis of the transmission shaft (10), one end of the supporting rod (14) is fixed on the transmission shaft (10), the second sliding block (15) is sleeved on the supporting rod (14) and is abutted against the transmission shaft (10), one side of the second sliding block (15) far away from the transmission shaft (10) is connected with one end of the supporting rod (14) far away from the transmission shaft (10) through a spring (17), the second sliding block (15) is hinged with the cleaning ring (13) through a connecting rod (16), the connecting rod (16) is obliquely arranged, and the distance between one end of the connecting rod (16) close to the cleaning ring (13) and the transmission shaft (10) is greater than the distance between the other end of the connecting rod (16) and the transmission shaft (10).
2. The track traffic lighting device with good heat dissipation effect as claimed in claim 1, wherein the heat dissipation plate (12) is coated with heat conductive silica gel.
3. The track traffic lighting device with good heat dissipation effect as claimed in claim 1, the power assembly comprises a power motor (18), a driving gear (19), a driven gear (20), a rotating shaft (21) and two second bearings (22), the power motor (18) is fixedly connected with the lampshade (2) and is in transmission connection with the driving gear (19), the rotating shaft (21) and the screw rods (5) are coaxially arranged, the two screw rods (5) are respectively fixed at two ends of the rotating shaft (21), the second bearings (22) correspond to the screw rods (5) one by one, inner rings of the second bearings (22) are arranged on the rotating shaft (21), the outer ring of the second bearing (22) is fixedly connected with the lampshade (2), the driven gear (20) is installed on the rotating shaft (21), and the driving gear (19) is meshed with the driven gear (20).
4. The track traffic lighting device with good heat dissipation effect as claimed in claim 1, wherein the driving motor (9) is a servo motor.
5. The track traffic lighting device with good heat dissipation effect as claimed in claim 1, wherein the sealing plate (7) is made of rubber.
6. The track traffic lighting device with good heat dissipation effect as claimed in claim 1, wherein the bottom of the fixing plate (1) is a mirror surface.
7. The track traffic lighting device with good heat dissipation effect as claimed in claim 1, wherein the screw rod (5) is coated with lubricating oil.
8. The track traffic lighting device with good heat dissipation effect as claimed in claim 1, wherein the inner wall of the circular hole is coated with sealing grease.
9. The track traffic lighting device with good heat dissipation effect as claimed in claim 1, wherein the fixing plate (1) is provided with an anti-corrosion zinc coating.
10. The track traffic lighting device with good heat dissipation effect as claimed in claim 1, wherein both ends of the connecting rod (6) are provided with chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010954085.2A CN112178577A (en) | 2020-09-11 | 2020-09-11 | Rail transit lighting device with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010954085.2A CN112178577A (en) | 2020-09-11 | 2020-09-11 | Rail transit lighting device with good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112178577A true CN112178577A (en) | 2021-01-05 |
Family
ID=73921923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010954085.2A Withdrawn CN112178577A (en) | 2020-09-11 | 2020-09-11 | Rail transit lighting device with good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112178577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117759913A (en) * | 2024-02-22 | 2024-03-26 | 福建吉艾普光影科技有限公司 | matrix LED stage lamp with centralized heat dissipation effect |
-
2020
- 2020-09-11 CN CN202010954085.2A patent/CN112178577A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117759913A (en) * | 2024-02-22 | 2024-03-26 | 福建吉艾普光影科技有限公司 | matrix LED stage lamp with centralized heat dissipation effect |
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Application publication date: 20210105 |