CN108278558B - Automobile solar energy ceiling light waterproof sealing structure - Google Patents

Automobile solar energy ceiling light waterproof sealing structure Download PDF

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Publication number
CN108278558B
CN108278558B CN201810055779.5A CN201810055779A CN108278558B CN 108278558 B CN108278558 B CN 108278558B CN 201810055779 A CN201810055779 A CN 201810055779A CN 108278558 B CN108278558 B CN 108278558B
Authority
CN
China
Prior art keywords
solar energy
ceiling light
energy ceiling
covering encapsulation
mounting shell
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.)
Expired - Fee Related
Application number
CN201810055779.5A
Other languages
Chinese (zh)
Other versions
CN108278558A (en
Inventor
张永学
赵新莉
王铭杰
张丹
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.)
Huanghe Science and Technology College
Original Assignee
Huanghe Science and Technology College
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 Huanghe Science and Technology College filed Critical Huanghe Science and Technology College
Priority to CN201810055779.5A priority Critical patent/CN108278558B/en
Priority to CN201811392653.3A priority patent/CN109519845B/en
Publication of CN108278558A publication Critical patent/CN108278558A/en
Application granted granted Critical
Publication of CN108278558B publication Critical patent/CN108278558B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • F21S9/037Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit and the lighting unit being located within or on the same housing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/50Waterproofing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F21V23/002Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00Gas-tight or water-tight arrangements
    • F21V31/005Sealing arrangements therefor

Abstract

Automobile solar energy ceiling light waterproof sealing structure, for solar controller shell and in the connection sealing of the solar energy ceiling light body of rod, solve solar energy inclination angle design fixed at present, the solar cell module for not being available solar energy ceiling light receives enough solar radiations, and rainwater and wet gas are very easy to be attached to and cause the short circuit of automobile solar energy ceiling light inside wire body surface inflow controller and do not have chronicity and persistence for automobile solar energy ceiling light use aspect with the sealing structure of solar energy ceiling light, it is unfavorable for large batch of the problem of using and producing, it the external connection of its terminal and is brought out from external connection approaching channel, the rainwater wire body that can not postpone enters inside controller after filling, ensure the normal work of controller, outer package cover and automobile solar energy ceiling light body of rod connecting portion are provided with angular adjustment turntable, it is logical The photosensitive components fit angle for crossing lower section adjusts the fan-shaped component on turntable and is rotated to move the direction for the solar cell module that outer package puts on installation and receive position, it is ensured that with the proper use of efficiency of solar energy ceiling light.

Description

Automobile solar energy ceiling light waterproof sealing structure
Technical field
The present invention relates to automobile new energy components, more particularly to automobile solar energy ceiling light waterproof sealing structure.
Background technique
Automobile solar energy ceiling light is powered using crystal silicon solar energy battery, non-maintaining valve-control sealed accumulator (glue Body battery) storage electric energy, ultra-bright LED lamps and lanterns are controlled as light source, and by intelligent charging-discharging controller, cross-country for replacing A kind of lighting device of roof.
And the connecting line body of the part control terminal of automobile solar energy ceiling light needs outer access automobile solar energy ceiling light Controller inside, this has resulted in rainwater and wet gas is very easy to be attached to wire body surface to flow into inside controller and cause The ceiling light short circuit of automobile solar energy;
Present is usually directly attached to joint face after its installation position connects with the sealing structure of solar energy ceiling light The inside interconnecting piece of outer layer, the two is connected without sealing, when wind-force is larger, can directly suffer erosion in extraneous water-tight equipment And abrasion, sealant easily starts or Staining is fallen, for automobile solar energy ceiling light use aspect do not have chronicity and persistently Property is unfavorable for large batch of using and producing.
Summary of the invention
For above situation, the technical problem to be solved in the present invention is to provide a kind of automobile solar energy ceiling light waterproof sealings Structure, it is therefore intended that solve solar energy inclination angle design fixed at present, be not available the solar cell module of solar energy ceiling light Solar radiation as much as possible can be received, the normal use with solar energy ceiling light is unable to ensure, not can guarantee its work effect Rate, rainwater and wet gas, which are very easy to be attached to inside wire body surface inflow controller, causes automobile solar energy ceiling light short-circuit Usually directly be attached to joint face outer layer after its installation position connects with the sealing structure of solar energy ceiling light, the two it is interior Side interconnecting piece is connected without sealing, when wind-force is larger, directly can suffer erosion and wear in extraneous water-tight equipment, sealant It easily starts or Staining is fallen, do not have chronicity and persistence for automobile solar energy ceiling light use aspect, be unfavorable for large quantities of The problem of using and produce of amount.
To achieve the above object, the invention provides the following technical scheme: automobile solar energy ceiling light waterproof sealing structure, packet Nanometer micropore plate and connection shaft are included, the nanometer micropore plate is embedded in angular adjustment turntable along the inner edge of angular adjustment turntable Interior, the connection shaft extends into core mounting shell and protrudes from covering encapsulation bottom side, and connect shaft one end be connected with it is vertical To the elastic screw rod for being fitted in covering encapsulation outer end, the surrounding of the core mounting shell, which longitudinally runs through, external connection approaching channel, described Extend a tongue pin with inclined surface below core mounting shell, is bonded with expansion heat-barrier material below the tongue pin, and The upper annular of the tongue pin is encapsulated with tongue pin sealing ring.
In one embodiment, the nanometer micropore plate is made for one of aeroge material, and nanometer micropore plate, angle It adjusts turntable and connection shaft is all symmetrical with the longitudinal axis of core mounting shell and covering encapsulation, while core mounting shell and outer package The vertical axis of set is on same vertical line.
In one embodiment, the angular adjustment turntable is fixedly connected on photosensitive components, and the photosensitive components transmission connects It is connected to connection shaft, the angular adjustment turntable is made of multiple sector structure bodies around splicing.
In one embodiment, the expansion heat-barrier material is filled in covering encapsulation bottom, and the tongue pin grafting enters outer package In set.
In one embodiment, the side of the external connection approaching channel is attached to the external connection waterproof filling being connected with cavity Area, described external connection waterproof fill area one end have irregular curved surfaces.
In the above-described embodiments, the cavity is in the recessed formation in inside of the core mounting shell, and the axis of the cavity Elastic shank of the key is installed, the elastic shank of the key is screwed from core mounting shell to fixing at covering encapsulation at the heart.
In one embodiment, the covering encapsulation inwardly concaves to form inner cavity, and the lower side of covering encapsulation is formed with arc The stress transition body of shape kinking structure, the two sides of the covering encapsulation are provided with the side seal board to fit with the stress transition body, The side seal board structure triangular in shape, covering encapsulation front are and inner cavity and the extraneous open surface being connected.
In the above-described embodiments, between the side seal board it is interior it is intracavitary be caught in oblique mould lamina affixad, and tiltedly mould lamina affixad position It is horizontally disposed in the length direction of covering encapsulation, one is provided at the parallel end faces of the same level height of the oblique mould lamina affixad Rotation is connected with the moisture absorption groove of side seal board.
Compared with prior art, the beneficial effects of the present invention are: the automobile solar energy ceiling light waterproof sealing structure is in The surrounding of core mounting shell has four external connection approaching channels extended vertically through from top to bottom, and the external connection of terminal draws from external connection Be brought out at slot, connection wire carries out continuity bending and fixation in the external connection waterproof fill area of external connection approaching channel, then by The filling of class filler is sealed, the rainwater wire body that can not postpone enters inside controller, it is ensured that the normal work of controller, waterproof are anti- Damp significant effect;Outer package cover and automobile solar energy ceiling light body of rod connecting portion are provided with angular adjustment turntable, under The photosensitive components of side incude illumination patterns position in different time periods, are rotated by the fan-shaped component on angular adjustment turntable Position is received to move the direction for the solar cell module that outer package puts on installation to enable solar cell module to receive To solar radiation as much as possible, it is ensured that with the proper use of efficiency of solar energy ceiling light, tongue pin is being caught in inside covering encapsulation When, expansion heat-barrier material is embedded in the most narrow place in bottom of covering encapsulation, and stress be adsorbed on on the contact surface of covering encapsulation, It is carried out up and down with tongue pin sealing ring and the harmony of inside and outside lateral location seals, covering encapsulation and core mounting shell can carry out The linking seal operation of strong continuity, sealing state is firm, not vulnerable to degrading under the influence of the environment external world, is conducive to chronicity and holds The use and large batch of production of long property.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is core mounting shell structure enlargement diagram of the present invention.
Fig. 3 is outer package nested structure enlarged diagram of the present invention.
Specific embodiment
Below with reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
It will be recognized by those of ordinary skill in the art that the positional terms such as " upper end ", " lower end ", "outside", "inner" are needles For the description term of attached drawing, it is not offered as the limitation of the protection scope limited the claim.
Referring to Fig. 1, as shown in embodiment in attached drawing, automobile solar energy ceiling light waterproof sealing structure is used for solar energy control For device shell processed with the connection sealing with the solar energy ceiling light body of rod, nanometer micropore plate 1, nanometer micropore plate 1 is aeroge or silicon gas One of gel material is made, and nanometer micropore plate 1, angular adjustment turntable 2 and connection shaft 10 are all with 4 and of core mounting shell The longitudinal axis of covering encapsulation 12 is symmetrical, and total tune is high, and when being rotated, stability is good, while core mounting shell 4 and outer The vertical axis of package cover 12 is on same vertical line, and core mounting shell 4, which can cover, to be packed into outer package set 12, and cavity 7 is in The recessed formation in the inside of core mounting shell 4 can be put into cavity 7 with solar energy ceiling light operational module group and circuit stool component, And elastic shank of the key 9 is installed at the axle center of cavity 7, elastic shank of the key 9, which is screwed from core mounting shell 4 at covering encapsulation 12, to be consolidated Fixed, the bonding strength for the solar panel installed on core mounting shell 4 and covering encapsulation 12 can be reinforced by screwing elastic shank of the key 9.
Referring to fig. 2, as shown in embodiment in attached drawing, the surrounding of core mounting shell 4, which longitudinally runs through, external connection approaching channel 5, outside The side of wiring approaching channel 5 is attached to the external connection waterproof fill area 501 being connected with cavity 7, external connection penetrated from approaching channel 5 or It is pierced by, connection is mounted on the controller in cavity 7, remaining connecting line curve is surrounded on 501 one end of external connection waterproof fill area It is in irregular placement status inside irregular curved surfaces, is in external connection waterproof fill area 501 that filling is prevented quiet Electricity, waterproof sealing glue, fixed wire body distributional pattern and it is external while it is moisture-proof damp proof.
Referring to Fig. 1, Fig. 2, as shown in embodiment in attached drawing, nanometer micropore plate 1 is embedded in along the inner edge of angular adjustment turntable 2 In angular adjustment turntable 2, the nanometer micropore hole on nanometer micropore plate 1 inhibits gas molecule to receive the contribution of heat transfer simultaneously Rice network structure effectively limits the propagation of local thermal excitation, in photosensitive components 8, when experiencing the variation of surrounding light, and hair The number of delivering letters makes, and the angular adjustment turntable 2 being fixedly connected on photosensitive components 8 rotates, and angular adjustment turntable 2 is by multiple sector structures Body is around splicing composition, so the amplitude of its rotation can pass through small range angle by carrying out the control of fining degree in itself Variation, the connection shaft 10 for driving the sector structure other end and photosensitive components 8 to be sequentially connected carry out large-scale position change, even Switching through axis 10 is directly to extend into core mounting shell 4 and protrude from 12 bottom side of covering encapsulation, is directly fixed with core installation Shell 4 and covering encapsulation 12, when angular adjustment turntable 2 changes, connection shaft 10 drive core mounting shell 4 and covering encapsulation 12 into Row shift in position will be mounted on the solar energy inside core mounting shell 4 and covering encapsulation 12 by the photoinduction of photosensitive components 8 Receiving module is corresponding in the radiation scope of the sun, so as to solar battery group can be received in the longer time it is as enough as possible Solar energy source.
Referring to Fig. 3, as shown in embodiment in attached drawing, the structure triangular in shape of side seal board 1202, the front of covering encapsulation 12 for Embeddable receipts illuminating part and the illuminating crystal structure of automobile solar energy ceiling light on the open surface that inner cavity 11 is connected with the external world Object and solar cell panel assembly or other can be placed directly within extraneous structural device, the inner cavity 11 between side seal board 1202 It is inside caught in oblique mould lamina affixad 1201, after control assembly and circuit board assemblies are put at inner cavity 11, by by oblique mould lamina affixad 1201 are pressed into side seal board 1202, increase integrally-built fastness, and tiltedly mould lamina affixad 1201 is located at covering encapsulation 12 Length direction is horizontally disposed, is provided with a rotation at the parallel end faces of the same level height of oblique mould lamina affixad 1201 and is connected with side The moisture absorption groove 13 of sealing plate 1202, moisture absorption groove 13 are rotary structure, by the overturning of moisture absorption groove 13 towards face, are replaced in moisture absorption groove 13 Hygroscopic agent or dried class article can effectively prevent the generation of the wet environment inside covering encapsulation 12, to solar energy ceiling light Core work region provides a safe working environment of the drying without steam.
Referring to Fig. 1, Fig. 2, Fig. 3, as shown in embodiment in attached drawing, covering encapsulation 12 inwardly concaves to form inner cavity 11, and outer The lower side of package cover 12 is formed with the stress transition body 6 of arc vault kinking structure, and the two sides of covering encapsulation 12 are provided with and stress The side seal board 1202 that transition body 6 fits, stable structure, and connection 10 one end of shaft are connected with longitudinal direction and are fitted in covering encapsulation 12 The elastic screw rod 3 of outer end, when connecting the drive generation over-travel of covering encapsulation 12 of shaft 10, twisting resistance is more than elastic screw rod 3 normal endurance, elastic screw rod 3 rebound Aligning control under structure strong torsional forces effect, avoid the transition position of covering encapsulation 12 It moving, a tongue pin 402 with inclined surface is extended in the lower section of core mounting shell 4, when tongue pin 402 is inserted into covering encapsulation 12, tongue The expansion heat-barrier material 401 of the lower section bonding of pin 402, is packed into 12 bottom of covering encapsulation, the upper annular sleeve of tongue pin 402 Tongue pin sealing ring 4021 be sealed in the upper junction outer end of core mounting shell 4 and covering encapsulation 12, the internal diameter of tongue pin (402) with The growth of this body length fall sharply in inverse ratio, the two structure can be embedded completely.
Compared with prior art, the beneficial effects of the present invention are: the automobile solar energy ceiling light waterproof sealing structure is in The surrounding of core mounting shell has four external connection approaching channels for extending vertically through core mounting shell from top to bottom, the external connection of terminal It is brought out with from external connection approaching channel, connection wire carries out continuity bending simultaneously in the external connection waterproof fill area of external connection approaching channel It is fixed, then filled by sealing class filler, the rainwater wire body that can not postpone enters inside controller, it is ensured that controller it is normal Work, waterproof moisture-proof effect are significant;Outer package cover and automobile solar energy ceiling light body of rod connecting portion are provided with angular adjustment Turntable incudes illumination patterns position in different time periods by the photosensitive components of lower section, passes through the sector on angular adjustment turntable Component is rotated to move the direction for the solar cell module that outer package puts on installation and receive position to make solar-electricity Pond component can receive solar radiation as much as possible, it is ensured that with the proper use of efficiency of solar energy ceiling light, tongue pin is being caught in When inside covering encapsulation, expansion heat-barrier material is embedded in the most narrow place in bottom of covering encapsulation, and stress is adsorbed on and outer package On the contact surface of set, carried out up and down with tongue pin sealing ring and the harmony of inside and outside lateral location seal, covering encapsulation and in Core mounting shell can carry out the linking seal operation of strong continuity, and sealing state is firm, not vulnerable to degrading under the influence of the environment external world, have Conducive to chronicity and persistent use and large batch of production.
Above by specific embodiment and embodiment, invention is explained in detail, but these are not composition pair Limitation of the invention.Without departing from the principles of the present invention, those skilled in the art can also make many deformations and change Into these also should be regarded as protection scope of the present invention.

Claims (6)

1. automobile solar energy ceiling light waterproof sealing structure, including nanometer micropore plate (1) and connection shaft (10), feature exists In: the nanometer micropore plate (1) is embedded in angular adjustment turntable (2) along the inner edge of angular adjustment turntable (2), and the connection turns Axis (10) extends into core mounting shell (4) and protrudes from covering encapsulation (12) bottom side, and connects shaft (10) one end and be connected with Longitudinal direction is fitted in the elastic screw rod (3) of covering encapsulation (12) outer end, the surrounding of the core mounting shell (4) longitudinally run through have it is external Line approaching channel (5), the side of the external connection approaching channel (5) are attached to the external connection waterproof fill area being connected with cavity (7) (501), the external connection waterproof fill area (501) one end has irregular curved surfaces, and the cavity (7) is in the core The recessed formation in inside of mounting shell (4), and elastic shank of the key (9) are installed at the axle center of the cavity (7), the elastic shank of the key (9) it is screwed from core mounting shell (4) to fixing at covering encapsulation (12), extends one below the core mounting shell (4) Tongue pin (402) with inclined surface is bonded with expansion heat-barrier material (401), and the tongue pin below the tongue pin (402) (402) upper annular is encapsulated with tongue pin sealing ring (4021).
2. automobile solar energy ceiling light waterproof sealing structure according to claim 1, it is characterised in that: the nanometer micropore Plate (1) is that one of aeroge material is made, and nanometer micropore plate (1), angular adjustment turntable (2) and connection shaft (10) are all It is symmetrical with the longitudinal axis of core mounting shell (4) and covering encapsulation (12), while core mounting shell (4) and covering encapsulation (12) is vertical Axle center is on same vertical line.
3. automobile solar energy ceiling light waterproof sealing structure according to claim 1, it is characterised in that: the angular adjustment Turntable (2) is fixedly connected on photosensitive components (8), and the photosensitive components (8) are sequentially connected with connection shaft (10), the angle It adjusts turntable (2) and is made of multiple sector structure bodies around splicing.
4. automobile solar energy ceiling light waterproof sealing structure according to claim 1, it is characterised in that: the expansion is heat-insulated Material (401) is filled in covering encapsulation (12) bottom, and tongue pin (402) grafting enters in covering encapsulation (12).
5. automobile solar energy ceiling light waterproof sealing structure according to claim 1, it is characterised in that: the covering encapsulation (12) it inwardly concaves to be formed inner cavity (11), and the lower side of covering encapsulation (12) is formed with the stress transition body of curved bend structure (6), the two sides of the covering encapsulation (12) are provided with the side seal board (1202) to fit with the stress transition body (6), described Side seal board (1202) structure triangular in shape, covering encapsulation (12) front are and inner cavity (11) and the extraneous opening being connected Face.
6. automobile solar energy ceiling light waterproof sealing structure according to claim 5, it is characterised in that: the side seal board (1202) oblique mould lamina affixad (1201) has been caught in the inner cavity (11) between, and tiltedly mould lamina affixad (1201) is located at covering encapsulation (12) length direction is horizontally disposed, is provided with one at the parallel end faces of the same level height of the oblique mould lamina affixad (1201) Rotation is connected with the moisture absorption groove (13) of side seal board (1202).
CN201810055779.5A 2018-01-20 2018-01-20 Automobile solar energy ceiling light waterproof sealing structure Expired - Fee Related CN108278558B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201810055779.5A CN108278558B (en) 2018-01-20 2018-01-20 Automobile solar energy ceiling light waterproof sealing structure
CN201811392653.3A CN109519845B (en) 2018-01-20 2018-01-20 Sealing structure of automobile solar ceiling lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810055779.5A CN108278558B (en) 2018-01-20 2018-01-20 Automobile solar energy ceiling light waterproof sealing structure

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201811392653.3A Division CN109519845B (en) 2018-01-20 2018-01-20 Sealing structure of automobile solar ceiling lamp

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Publication Number Publication Date
CN108278558A CN108278558A (en) 2018-07-13
CN108278558B true CN108278558B (en) 2019-01-11

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CN201810055779.5A Expired - Fee Related CN108278558B (en) 2018-01-20 2018-01-20 Automobile solar energy ceiling light waterproof sealing structure

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US7695154B2 (en) * 2007-04-05 2010-04-13 Dpm Associates, Llc Illuminating footwear accessory
CN104566311A (en) * 2013-10-23 2015-04-29 丹阳市飞越车辆附件有限公司 Sealing structure of automobile lamp
CN204062819U (en) * 2014-09-22 2014-12-31 深圳榕亨实业集团有限公司 A kind of waterproof construction of intelligent traffic light

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Publication number Publication date
CN109519845B (en) 2021-02-09
CN108278558A (en) 2018-07-13
CN109519845A (en) 2019-03-26

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