CN109058812A - It is a kind of can at the scene rapid-maintenance replacement underwater lamp, underground lamp or Projecting Lamp - Google Patents
It is a kind of can at the scene rapid-maintenance replacement underwater lamp, underground lamp or Projecting Lamp Download PDFInfo
- Publication number
- CN109058812A CN109058812A CN201810581261.5A CN201810581261A CN109058812A CN 109058812 A CN109058812 A CN 109058812A CN 201810581261 A CN201810581261 A CN 201810581261A CN 109058812 A CN109058812 A CN 109058812A
- Authority
- CN
- China
- Prior art keywords
- lamp
- shell
- pcb board
- type groove
- multiple led
- 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
Links
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
-
- 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
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
- F21V21/096—Magnetic devices
-
- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention discloses it is a kind of can rapid-maintenance replacement at the scene underwater lamp, underground lamp or Projecting Lamp, LED light emitting host includes pcb board, and pcb board is equipped with voltage reduction module, is connected external power supply by the pcb board and is depressured and supplies electricity to multiple LED lamp beads;U-type groove is contained in the section of movable disk, and multiple LED lamp beads and pcb board are each provided in U-type groove, and marine glue is poured in U-type groove, is wrapped in multiple LED lamp beads and pcb board in marine glue;The first waterproof connector lug is extended in U-type groove bottom, has one end of external cable to penetrate from shell and extends the second waterproof connector lug;First waterproof connector lug and the second waterproof connector lug removably snap connection;The other end of external cable is for connecting external power supply.The present invention not only realize at any time maintenance replacement LED light source, but also may be implemented weight and volume reduction and structure it is more simple, can also realize better waterproof effect.
Description
Technical field
The present invention relates to LED illumination lamp technical fields, and in particular to it is a kind of can at the scene the underwater lamp of rapid-maintenance replacement,
Underground lamp or Projecting Lamp.
Background technique
Underwater lamp, underground lamp or Projecting Lamp, the lighting apparatus being embedded on ground and pond.Projecting Lamp, underground lamp pair
Park, square or aboveground vegetation etc. are illuminated, so that landscape is more beautiful, walk is safer.
Underground lamp is mostly used LED light source, and in the prior art, underground lamp is usually by shell, LED light emitting host and case ring three
It being grouped as, the casting of LED light emitting host is installed in the shell, and case ring is fixed on shell one end, and LED light emitting host is covered,
Waterproof apron is installed usually between shell and case ring.
Inventor discloses a kind of floor-lamp of dismounting mode, including shell, LED light emitting host and dress in CN204213740U
Decorative circle;LED light emitting host is removably mounted in shell, and case ring sealing is fixed on shell one end, and by LED
Light emitting host covers.In use, when maintenance replacement LED light emitting host, discovery still has improvable space.
Summary of the invention
Inventor has found that main problem is still in driving power by the anatomy layer by layer to structure.Since LED is sent out
Light main body includes driving power, and driving power is placed in lamp body, to when replacing entire LED light emitting host driven entire
Dynamic power supply is replaced, and driving power itself does not have waterproof action, and weight and volume is all larger.Many times, it damages
Part be not also related in driving power.
How to be further improved, inventor has paid creative labor by analysis, has just obtained the present invention.
The object of the present invention is to provide it is a kind of can rapid-maintenance replacement at the scene underwater lamp, underground lamp or Projecting Lamp,
It not only realizes the LED light source of maintenance replacement at any time, but also the reduction of LED lamp bead or more heat dissipation extending life and weight may be implemented
And structure is more simple, can also realize better waterproof effect.
Used technical solution are as follows:
It is a kind of can rapid-maintenance replacement at the scene underwater lamp, underground lamp or Projecting Lamp, including shell, LED light emitting host
And case ring;LED light emitting host is removably mounted in shell, and case ring sealing is fixed on shell one end, and
LED light emitting host is covered;The LED light emitting host includes movable disk, pcb board and multiple LED lamp beads, the movable disk installation
In the shell, multiple LED lamp beads are mounted in movable disk, and multiple LED lamp beads are electrically connected with pcb board, and the pcb board is equipped with decompression
Module connects external power supply by the pcb board and decompression supplies electricity to multiple LED lamp beads;U-type groove is contained in the section of the movable disk,
Multiple LED lamp beads and pcb board are each provided in U-type groove, and marine glue is poured in U-type groove, keep multiple LED lamp beads and pcb board equal
It is wrapped in marine glue;The first waterproof connector lug is extended in the U-type groove bottom, has one end of external cable to penetrate from shell and prolongs
Stretch out the second waterproof connector lug;First waterproof connector lug and second waterproof connector lug removably snap connection;Institute
The other end of external cable is stated for connecting external power supply.
Further, the movable pan bottom is equipped with the first magnet;The second magnet is equipped in the shell;The movable disk
It is fixed inside the shell by the first magnet and the second magnet magnetic.
Further, water-repellent lens cover is equipped in each LED lamp bead, the water-repellent lens cover is poured solid by marine glue
It is fixed.
Further, heat dissipation aluminium set is equipped on the water-repellent lens cover.
Further, the shell is set as tubbiness, case ring be mounted on tubbiness shell it is open at one end on, shell and decoration
Sealing rubber ring is installed between circle.
The beneficial effects of the present invention are:
On the one hand, do not include driving power in LED light emitting host, directly eliminate driving power, thus eliminating the need by
The problem of driving power is brought;In order to substitute driving power, the pcb board containing voltage reduction module is set, is connected in this way by pcb board
External power supply and decompression supply electricity to multiple LED lamp beads, unlatching of the realization to LED lamp bead;And pcb board is directly anchored to movable disk
It is interior, and poured by marine glue, this considerably increases waterproof effects.
Second aspect, by removing all biggish driving power of weight and volume, so that the volume of entire LED light emitting host
It can be made smaller with weight.
The third aspect is tieed up due to being provided with the first waterproof connector lug and the second waterproof connector lug so as to which no replacement is required
Modify LED light emitting host, and can only one movable disk (having pcb board and multiple LED lamp beads in movable disk) of disassembly can be into
Row repair and replacement realize that rapid-maintenance replaces LED light source.
Fourth aspect, due to eliminating driving power, the structure of lamp body is equivalent to repeat the knot of shell on this basis
Structure and effect, so that the present invention also removes the structure of lamp body, and directly in the shell by movable disk installation, without again
It is mounted in lamp body, lamp body is installed in the shell again.To further simplify structure, more simple, maintenance effect in structure
Rate is higher.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without any creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 be it is a kind of can the underwater lamp, underground lamp of rapid-maintenance replacement or the structural schematic diagram of Projecting Lamp at the scene.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only the preferred embodiment of the 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 is shown in Figure 1, it is a kind of can rapid-maintenance replacement at the scene underwater lamp, underground lamp or Projecting Lamp, including shell
1, LED light emitting host 2 and case ring 3;LED light emitting host 2 is removably mounted in shell 1, and case ring 3 seals
It is fixed on 1 one end of shell, and LED light emitting host 2 is covered;LED light emitting host 2 includes movable disk 22, pcb board 23 and multiple
LED lamp bead 24, movable disk 22 are mounted in shell 1, and multiple LED lamp beads 24 are mounted in movable disk 22, multiple LED lamp beads with
Pcb board electrical connection, pcb board are equipped with voltage reduction module, connect external power supply by the pcb board and decompression supplies electricity to multiple LED lamp beads;It is living
U-type groove is contained in the section of Moving plate 22, and multiple LED lamp beads 24 are each provided in U-type groove with pcb board 23, and waterproof is poured in U-type groove
Glue 25 is wrapped in multiple LED lamp beads and pcb board in marine glue 25;The first waterproof connector lug 26 is extended in U-type groove bottom,
There is one end of external cable 5 to penetrate from shell and extends the second waterproof connector lug 27;First waterproof connector lug 26 and the second waterproof
Connector lug 27 removably snaps connection;The other end of external cable is for connecting external power supply.
Preferably, 22 bottom of movable disk is equipped with the first magnet 28;The second magnet 29 is equipped in shell 21;Movable disk 22 passes through
First magnet 28 and 29 magnetic of the second magnet are fixed in shell 21.It is fixed by magnetic, it is living to be more convenient releasably repair and replacement
Moving plate.
It is preferred that being equipped with water-repellent lens cover 4 in each LED lamp bead, water-repellent lens cover 4 is poured by marine glue 25 and is fixed.
It is further preferred that being equipped with heat dissipation aluminium set 41 on water-repellent lens cover 4.
It is preferred that shell is set as tubbiness, case ring be mounted on tubbiness shell it is open at one end on, pacify between shell and case ring
Fill sealing rubber ring.
External power supply and voltage reduction module are electrically connected to form reduction voltage circuit, and the electricity of such as 12V or 24V can be exported to pressure stabilizing
Pressure.
On the one hand, do not include driving power in LED light emitting host, directly eliminate driving power, thus eliminating the need by
The problem of driving power is brought;In order to substitute driving power, the pcb board containing voltage reduction module is set, is connected in this way by pcb board
External power supply and decompression supply electricity to multiple LED lamp beads, unlatching of the realization to LED lamp bead;And pcb board is directly anchored to movable disk
It is interior, and poured by marine glue, this considerably increases waterproof effects.
Second aspect, by removing all biggish driving power of weight and volume, so that the volume of entire LED light emitting host
It can be made smaller with weight.
The third aspect is tieed up due to being provided with the first waterproof connector lug and the second waterproof connector lug so as to which no replacement is required
Modify LED light emitting host, and can only one movable disk (having pcb board and multiple LED lamp beads in movable disk) of disassembly can be into
Row repair and replacement realize that rapid-maintenance replaces LED light source.
Fourth aspect, due to eliminating driving power, the structure of the lamp body of CN204213740U is with regard to suitable on this basis
In repeat shell structurally and functionally, so that the present invention also removes the structure of lamp body, and directly movable disk is mounted on outer
It is the same without CN204213740U for another example in shell, movable disk is mounted in lamp body, lamp body is installed in the shell again.
To which the present invention further simplifies structure, more simple in structure, maintenance efficiency is higher.
It is of the invention can rapid-maintenance replacement at the scene underwater lamp, underground lamp or Projecting Lamp, be applicable not only to ground, make
For underground lamp use;Since its leakproofness is preferable, it is readily applicable to illuminate in water, is used as underwater lamp;And it can also
To be used as square and landscape flood lighting.
Existing common underwater lamp, underground lamp or Projecting Lamp, if broken down on-site, since (LED's lamp source shines
Main body) and shell encapsulating after become one, return factory repair replacement so must remove, be left with one on such building site
The lead cheated and be exposed brings insecurity factor to people.The present invention can scene unscrew lamps and lanterns screw, open decoration
Circle, quickly removes movable disk and replaces on the spot, will not destory the scene, without splitting power supply line wiring again, reduce the dangerous of electric shock
Factor.Not only having saved the time that worker dismounts back and forth reduces costs, but also reduces waste, meets the design reason of energy-saving and emission-reduction
It reads.
The series of detailed descriptions listed above are illustrated only for possible embodiments of the invention,
The protection scope that they are not intended to limit the invention, it is all without departing from equivalent embodiment made by technical spirit of the present invention or change
It should all be included in the protection scope of the present invention.
Claims (5)
1. one kind can at the scene rapid-maintenance replacement underwater lamp, underground lamp or Projecting Lamp, including shell, LED light emitting host and
Case ring;LED light emitting host is removably mounted in shell, and case ring sealing is fixed on shell one end, and will
LED light emitting host covers;It is characterized in that, the LED light emitting host includes movable disk, pcb board and multiple LED lamp beads, it is described
Movable disk is installed in the shell, and multiple LED lamp beads are mounted in movable disk, and multiple LED lamp beads are electrically connected with pcb board, the PCB
Plate is equipped with voltage reduction module, connects external power supply by the pcb board and decompression supplies electricity to multiple LED lamp beads;The section of the movable disk
Containing U-type groove, multiple LED lamp beads and pcb board are each provided in U-type groove, and marine glue is poured in U-type groove, make multiple LED lamp beads
It is wrapped in marine glue with pcb board;The first waterproof connector lug is extended in the U-type groove bottom, have one end of external cable from
Shell penetrates, then penetrates in shell and extend the second waterproof connector lug;First waterproof connector lug and second waterproof connect
The end of a thread removably snaps connection;The other end of the external cable is for connecting external power supply.
2. it is according to claim 1 can rapid-maintenance replacement at the scene underwater lamp, underground lamp or Projecting Lamp, feature exists
In the activity pan bottom is equipped with the first magnet;The second magnet is equipped in the shell;The movable disk by the first magnet and
Second magnet magnetic is fixed inside the shell.
3. it is according to claim 1 can rapid-maintenance replacement at the scene underwater lamp, underground lamp or Projecting Lamp, feature exists
In being equipped with water-repellent lens cover in each LED lamp bead, the water-repellent lens cover is poured by marine glue and fixed.
4. it is according to claim 3 can rapid-maintenance replacement at the scene underwater lamp, underground lamp or Projecting Lamp, feature exists
In equipped with heat dissipation aluminium set on the water-repellent lens cover.
5. it is according to claim 1 can rapid-maintenance replacement at the scene underwater lamp, underground lamp or Projecting Lamp, feature exists
Be set as tubbiness in, the shell, case ring be mounted on tubbiness shell it is open at one end on, sealing is installed between shell and case ring
Cushion rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810581261.5A CN109058812A (en) | 2018-06-07 | 2018-06-07 | It is a kind of can at the scene rapid-maintenance replacement underwater lamp, underground lamp or Projecting Lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810581261.5A CN109058812A (en) | 2018-06-07 | 2018-06-07 | It is a kind of can at the scene rapid-maintenance replacement underwater lamp, underground lamp or Projecting Lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109058812A true CN109058812A (en) | 2018-12-21 |
Family
ID=64820549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810581261.5A Pending CN109058812A (en) | 2018-06-07 | 2018-06-07 | It is a kind of can at the scene rapid-maintenance replacement underwater lamp, underground lamp or Projecting Lamp |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109058812A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113405040A (en) * | 2021-05-31 | 2021-09-17 | 华灯高节能技术(江苏)有限公司 | Portable detachable replaceable LED street lamp light source |
CN113864697A (en) * | 2021-10-14 | 2021-12-31 | 深圳市亮科光电有限公司 | LED underwater lamp |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2049730U (en) * | 1988-09-23 | 1989-12-20 | 郭晓云 | Closed folding type light projecting lamps and lanterns |
CN201964215U (en) * | 2011-04-08 | 2011-09-07 | 程文云 | High-power LED lamp |
CN204213740U (en) * | 2014-10-17 | 2015-03-18 | 厦门欣豪捷照明科技有限公司 | A kind of floor-lamp of dismounting mode |
FR2944531B1 (en) * | 2009-04-17 | 2015-04-03 | Automatismes En Electronique Systemes A E E S | LIGHT PLOT. |
-
2018
- 2018-06-07 CN CN201810581261.5A patent/CN109058812A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2049730U (en) * | 1988-09-23 | 1989-12-20 | 郭晓云 | Closed folding type light projecting lamps and lanterns |
FR2944531B1 (en) * | 2009-04-17 | 2015-04-03 | Automatismes En Electronique Systemes A E E S | LIGHT PLOT. |
CN201964215U (en) * | 2011-04-08 | 2011-09-07 | 程文云 | High-power LED lamp |
CN204213740U (en) * | 2014-10-17 | 2015-03-18 | 厦门欣豪捷照明科技有限公司 | A kind of floor-lamp of dismounting mode |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113405040A (en) * | 2021-05-31 | 2021-09-17 | 华灯高节能技术(江苏)有限公司 | Portable detachable replaceable LED street lamp light source |
CN113864697A (en) * | 2021-10-14 | 2021-12-31 | 深圳市亮科光电有限公司 | LED underwater lamp |
CN113864697B (en) * | 2021-10-14 | 2024-02-02 | 深圳市亮科光电有限公司 | LED underwater lamp |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109058812A (en) | It is a kind of can at the scene rapid-maintenance replacement underwater lamp, underground lamp or Projecting Lamp | |
CN202927714U (en) | Solar energy pool lamp | |
CN205316232U (en) | Solar energy pool lamp | |
CN205299357U (en) | Solar garden lamp | |
CN201487792U (en) | Lawn lamp | |
CN205048351U (en) | Solar energy warning light and warning post | |
CN203595047U (en) | LED buried lamp | |
CN202769406U (en) | LED line lamp | |
CN108302403A (en) | A kind of courtyard-style LED electric road lamps and its application method for park green land | |
CN208735508U (en) | A kind of LED landscape lamp that the water surface uses | |
CN207421943U (en) | A kind of light for treescape illumination | |
KR101128453B1 (en) | Led point lamp | |
CN202008027U (en) | LED (light emitting diode) lamp | |
CN205807257U (en) | A kind of novel except mosquito street lamp | |
CN206347488U (en) | One kind energy-conservation lawn street lamp | |
KR200416175Y1 (en) | The lighting which is used in fountain | |
CN2779228Y (en) | Submerged optical fiber fancy lantern | |
CN205018117U (en) | Kill mosquito ceiling lamp | |
CN108826188A (en) | A kind of outdoor water-proof LED landscape lamp | |
CN208687513U (en) | A kind of bright dress underground lamp | |
CN108980749A (en) | A kind of new type solar energy Lawn lamp | |
CN218781173U (en) | Underwater illumination LED illuminating lamp | |
CN208418368U (en) | It is a kind of that shining for installation is facilitated to set lamp | |
KR101170927B1 (en) | Dual lighting apparatus | |
CN2586057Y (en) | Solar LED decorative lights |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |