CN109235622A - A kind of antitheft drainage inspection well cover and its application method - Google Patents
A kind of antitheft drainage inspection well cover and its application method Download PDFInfo
- Publication number
- CN109235622A CN109235622A CN201811335559.4A CN201811335559A CN109235622A CN 109235622 A CN109235622 A CN 109235622A CN 201811335559 A CN201811335559 A CN 201811335559A CN 109235622 A CN109235622 A CN 109235622A
- Authority
- CN
- China
- Prior art keywords
- lid
- pedestal
- inspection well
- discharge outlet
- well cover
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention relates to a kind of antitheft drainage inspection well cover and its application methods, comprising: pedestal and lid, pedestal are fixed on well head, and hollow portion is arranged, and cover cap is set to the hollow portion of pedestal；Lid is provided with several discharge outlet；Fixed sectors plate and rotation fanning strip are provided at discharge outlet, motor is moved by the in-plane that shaft drives rotation fanning strip to be formed in fixed sectors plate, for blocking or opening discharge outlet；Pressure sensor, for detecting the ponding pressure above lid；Positioning column is provided with below lid, submounts are provided with the locating slot for accommodating positioning column, and the electromagnetic lock is located at below locating slot, and electromagnetic lock energization magnetisation is connect with positioning column magnetism, for locking or opening the lid and pedestal.The present invention, which realizes, solves the problems, such as size automatic drainage function according to rainfall, and solves the problems, such as antitheft, has the function of that backstage monitors in real time, the stolen efficiency of inspection well cover is reduced, for offering convenience property of user.
Description
Technical field
The present invention relates to inspection well cover technical field, in particular to a kind of antitheft drainage inspection well cover and its application method.
Background technique
There is following both sides in drain well lid in the prior art:
First, inspection well cover is easily lost, this not only causes weight huge economic loss to country, more importantly exposed
Inspection well cover passing vehicle and pedestrian can be damaged, directly threaten the security of the lives and property of people.
Second, the drainage hole on the inspection well cover of draining is easy to happen blocking, and it is serious to will appear road ponding when rainfall is big
Problem causes city that waterlogging occurs.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, provides a kind of antitheft drainage inspection well cover and its application method
For solving the technical issues of mentioning in background technique.
To achieve the goals above, the technical scheme is that a kind of antitheft drainage inspection well cover, it is characterised in that: packet
Pedestal and lid are included, the pedestal is fixed on well head, and hollow portion is arranged in the pedestal, and the cover cap is set to the hollow of pedestal
Portion；The lid is provided with several discharge outlet, is provided with the positioning column extended along the vertical direction below the lid, on pedestal
Face is provided with the locating slot for accommodating the positioning column, and the electromagnetic lock is located at below locating slot, the electromagnetic lock energization magnetisation with
Positioning column magnetism connection, for locking or opening the lid and pedestal；Be additionally provided with below the lid GPS locator and
PLC control panel, the lid top are provided with radio transmission device, and radio transmitting device and PLC control panel are electrically connected, institute
It states radio transmitting device and is used for transmission information to mobile terminal device or control centre；The lid be provided with to GPS locator,
PLC control panel, electromagnetic lock and radio transmitting device provide the lid power supply unit of power supply；The pedestal is provided with to be mentioned to electromagnetic lock
The base for supplying power device of power supply source, the electromagnetic lock and PLC control panel are electrically connected.
Further, fixed sectors plate and rotation fanning strip are provided at the discharge outlet, fixed sectors plate is with discharge outlet
The center of circle be that center symmetric points are centrosymmetric, shaft is provided with below the discharge outlet center of circle, is fixed with motor below shaft,
The rotation fanning strip is centrosymmetric by center symmetric points of the center of circle of discharge outlet, and motor drives rotation fanning strip by shaft
In the in-plane movement that fixed sectors plate is formed, for blocking or opening discharge outlet；Wherein rotate fanning strip, shaft and electricity
Machine forms drainage switch mechanism；The antitheft drainage inspection well cover further includes pressure sensor, the end face below the lid,
For detecting the ponding pressure above lid；The PLC control panel and motor and pressure sensor 5 are electrically connected.
Further, L-type step is arranged in the hollow portion edge of the pedestal, and the L-type step of pedestal is arranged in the lid
On, the outer edge and inward flange of the pedestal are respectively arranged under the pedestal outer edge lower edge and pedestal inward flange extended downwardly
Edge, pedestal outer edge lower edge and pedestal inward flange lower edge form pedestal and store cavity, the locating slot, electromagnetic lock and base for supplying power
Device is all set in pedestal storage cavity；The side of pedestal inward flange lower edge towards the hollow portion is provided in the horizontal direction
Support plate, the support plate are located at below motor；
The lid outer edge lower edge extended downwardly is arranged in the lid outer edge, and lid lower surface is provided with diameter and is less than lid
The lid lower edge of outer rim lower edge forms lid and stores cavity, lid lower edge between lid outer edge lower edge and lid lower edge
It is lid groove close to lid center of circle side, the discharge outlet is arranged in lid groove, the GPS locator, positioning column, pressure
Force snesor, PLC control panel and lid power supply unit are arranged in lid storage chamber body.
Further, discharge outlet is arranged in lid groove in six equal parts.
Further, the material of the positioning column is ferromagnetic material.
The present invention also provides a kind of application methods of antitheft drainage inspection well cover: including the following steps:
1) when rainfall is excessive causes the ponding on road surface excessive, surface gathered water generates certain pressure to inspection well cover top,
When the pressure sensor detects that the ponding pressure above lid is excessive, the PLC control panel is transmitted a signal to, it is described
PLC control panel starts motor, and the rotation fanning strip is driven to rotate clockwise or counterclockwise, when the rotation fanning strip and thereon
When the fixed sectors plate overlapping of side, the motor stops, so that the ponding above the lid is discharged from discharge outlet.
2) external mobile terminal device or control centre monitor the working condition of inspection well cover by the radio transmitting device,
Position signal is transferred to external mobile terminal device or control centre by radio transmitting device in real time by the GPS locator.
3) electricity when lid is covered on by positioning column on pedestal by user, below the positioning column and locating slot
The locking of magnetic padlock energization magnetisation, when needing to unlock, is needed through external mobile terminal device or control for the antitheft of inspection well cover
Control PLC control panel in center processed so that electromagnetic lock powers off, by realizing that electromagnetic lock loss of excitation and positioning column disconnect, the lid with
Pedestal is openable to be repaired.
Antitheft drainage inspection well cover provided by the invention, has the following beneficial effects:
(1) the size automatic drainage function according to rainfall, more intelligent drainage function are solved the problems, such as, discharge outlet uses shape non-
Be under state closure, avoid discharge outlet be open always discharge outlet caused by state be blocked, to avoid big in rainfall
When there is road ponding and urban waterlogging.
(2) solve the problems, such as it is antitheft, reduce inspection well cover be stolen efficiency, GPS locator can also pursuing missing lid position
It sets, the lid lost is retrieved as early as possible, avoids well head from being exposed to pedestrian and brings danger.
(3) have the function of that backstage monitors in real time, convenient long-range monitoring, is offering convenience property of user.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of antitheft drainage inspection well cover of the invention；
Fig. 2 is the separate structure schematic diagram of antitheft drainage inspection well cover of the invention；
Fig. 3 is the working state structure schematic diagram of antitheft drainage inspection well cover of the invention.
In figure:
1- pedestal, 2- lid, 21- discharge outlet, 22- positioning column, 3- drainage switch mechanism, 31- motor, 32- rotation are fan-shaped
Plate, 4- fixed sectors plate, 5- pressure sensor, 6- electromagnetic lock, 7-GPS locator, 8- base for supplying power device, 9- wireless transmission dress
It sets, 11- pedestal stores cavity, 12- support plate, 13- locating slot.
Specific embodiment
The present invention will be further described with attached drawing combined with specific embodiments below, to help the contents of the present invention are understood.
As shown in Figure 1-3, a kind of antitheft drainage inspection well cover, including pedestal 1 and lid 2, the pedestal 1 are fixed on well head,
Hollow portion is arranged in the pedestal 1, and the lid 2 is covered on the hollow portion of pedestal 1.
L-type step is arranged in the hollow portion edge of the pedestal 1, and the lid 2 is arranged on the L-type step of pedestal 1, described
The outer edge and inward flange of pedestal 1 are respectively arranged with the pedestal outer edge lower edge extended downwardly and pedestal inward flange lower edge, pedestal
Outer edge lower edge and pedestal inward flange lower edge form pedestal and store cavity 11.
The side of pedestal inward flange lower edge towards the hollow portion is provided with support plate 12 in the horizontal direction.
The lid outer edge lower edge extended downwardly is arranged in the lid outer edge, and 2 lower surface of lid is provided with diameter and is less than
The lid lower edge of lid outer edge lower edge forms lid and stores cavity, under lid between lid outer edge lower edge and lid lower edge
It is lid groove along close 2 center of circle side of lid.
It is provided with the discharge outlet 21 of six equal parts arrangement in the lid groove, is set below item face in the lid storage chamber body
It is equipped with the positioning column 22 extended along the vertical direction, the material of the positioning column 22 is ferromagnetic material.Pedestal 1 is provided with receiving above
The locating slot 13 of the positioning column 22, the electromagnetic lock 6 are located at 13 lower section of locating slot, the 6 energization magnetisation of electromagnetic lock and positioning
The magnetic connection of column 22, for locking or opening the lid 2 and pedestal 1；The lid storage cavity is additionally provided with GPS positioning
Device 7 and PLC control panel, radio transmission device is provided with above the lid 2, and radio transmitting device 9 and PLC control panel are electrical
Connection, the radio transmitting device 9 are used for transmission information to mobile terminal device or control centre；The lid storage cavity is set
It is equipped with and provides 2 power supply unit of lid of power supply to GPS locator 7, PLC control panel, electromagnetic lock 6 and radio transmitting device 9；It is described
Pedestal 1, which is provided with, provides the base for supplying power device 8 of power supply to electromagnetic lock 6, and the electromagnetic lock 6 is electrically connected with PLC control panel.
Fixed sectors plate 4 and rotation fanning strip 32 are provided at the discharge outlet 21, two fixed sectors plates 4 are with discharge outlet
21 center of circle is that center symmetric points are centrosymmetric, and shaft is provided with below 21 center of circle of discharge outlet, is fixed with below shaft
Motor 31, two rotation fanning strips 32 are centrosymmetric by center symmetric points of the center of circle of discharge outlet 21, the support plate 12
In 31 lower section of motor, motor 31 is moved by the in-plane that shaft drives rotation fanning strip 32 to be formed in fixed sectors plate 4, is used
In blocking or open discharge outlet 21；It wherein rotates fanning strip 32, shaft and motor 31 and forms drainage switch mechanism 3；It is described anti-
Stealing drain well lid further includes pressure sensor 5, set on the end face of 2 lower section of lid, for detecting the ponding of 2 top of lid
Pressure；The PLC control panel and motor 31 and pressure sensor 5 are electrically connected.
The present invention also provides a kind of application methods of antitheft drainage inspection well cover: including the following steps:
1) when rainfall is excessive causes the ponding on road surface excessive, surface gathered water generates certain pressure to inspection well cover top,
When the pressure sensor 5 detects that the ponding pressure of 2 top of lid is excessive, the PLC control panel, institute are transmitted a signal to
PLC control panel starting motor 31 is stated, drives the rotation fanning strip 32 to rotate clockwise or counterclockwise, when the rotation fanning strip
32 it is Chong Die with the fixed sectors plate 4 above it when, the motor 31 stops, so that the ponding of 2 top of the lid is from discharge outlet
21 discharges.
2) external mobile terminal device or control centre monitor the work shape of inspection well cover by the radio transmitting device 9
Position signal is transferred to external mobile terminal device or control by radio transmitting device 9 in real time by state, the GPS locator 7
Center.
3) when lid 2 is covered on by positioning column 22 on pedestal 1 by user, the positioning column 22 and locating slot 13
The 6 energization magnetisation of electromagnetic lock of lower section locks, and for the antitheft of inspection well cover, when needing to unlock, needs through external mobile end
End equipment or control centre's control PLC control panel, so that electromagnetic lock 6 powers off, by realizing that 6 loss of excitation of electromagnetic lock and positioning column 22 are disconnected
Open, the lid 2 with pedestal 1 is openable repairs.
The present invention solves the problems, such as the size automatic drainage function according to rainfall, more intelligent drainage function, and discharge outlet 21 is non-
Be under use state closure, avoid discharge outlet 21 be open always discharge outlet 21 caused by state be blocked, to keep away
Exempt from occur road ponding and urban waterlogging when rainfall is big.Antitheft, the stolen effect of reduction inspection well cover can also be solved the problems, such as simultaneously
Rate, GPS locator 7 can also pursuing missing lid 2 position, enable lose lid 2 be retrieved as early as possible, avoid well head
It is exposed to pedestrian and brings danger.Antitheft drainage inspection well cover has the function of that backstage monitors in real time, and convenient long-range monitoring, is user
Offering convenience property.
Specific case used herein elaborates inventive concept, the explanation of above example is only intended to
Help understands core of the invention thought.It should be pointed out that for those skilled in the art, not departing from this
Under the premise of inventive concept, any obvious modification, equivalent replacement or the other improvements made should be included in the present invention
Protection scope within.
Claims (6)
1. a kind of antitheft drainage inspection well cover, it is characterised in that: including pedestal and lid, the pedestal is fixed on well head, the bottom
Seat setting hollow portion, the cover cap are set to the hollow portion of pedestal；The lid is provided with several discharge outlet, under the lid
Side is provided with the positioning column extended along the vertical direction, and submounts are provided with the locating slot for accommodating the positioning column, the electromagnetism
Lock is located at below locating slot, and the electromagnetic lock energization magnetisation is connect with positioning column magnetism, for locking or opening the lid
And pedestal；
It is additionally provided with GPS locator and PLC control panel below the lid, wireless radio transmission dress is provided with above the lid
It sets, radio transmitting device and PLC control panel are electrically connected, and the radio transmitting device is used for transmission information to mobile terminal device
Or control centre；
The lid is provided with the lid for providing power supply to GPS locator, PLC control panel, electromagnetic lock and radio transmitting device and supplies
Electric installation；
The pedestal, which is provided with, provides the base for supplying power device of power supply to electromagnetic lock, and the electromagnetic lock electrically connects with PLC control panel
It connects.
2. antitheft drainage inspection well cover according to claim 1, it is characterised in that: be provided with fixed sectors at the discharge outlet
Plate and rotation fanning strip, fixed sectors plate are centrosymmetric by center symmetric points of the center of circle of discharge outlet, the discharge outlet center of circle
Lower section is provided with shaft, is fixed with motor below shaft, the rotation fanning strip is in by center symmetric points of the center of circle of discharge outlet
Central symmetry, the in-plane movement that motor drives rotation fanning strip to be formed in fixed sectors plate by shaft, for blocking or
Person opens discharge outlet；Wherein rotate fanning strip, shaft and motor form drainage switch mechanism；
The antitheft drainage inspection well cover further includes pressure sensor, the end face below the lid, for detecting lid
The ponding pressure of side；
The PLC control panel and motor and pressure sensor 5 are electrically connected.
3. antitheft drainage inspection well cover according to claim 2, it is characterised in that: L is arranged in the hollow portion edge of the pedestal
Type step, the lid are arranged on the L-type step of pedestal, and the outer edge and inward flange of the pedestal are respectively arranged with to downward
The pedestal outer edge lower edge and pedestal inward flange lower edge stretched, pedestal outer edge lower edge and pedestal inward flange lower edge form pedestal storage
Cavity, the locating slot, electromagnetic lock and base for supplying power device are all set in pedestal storage cavity；The pedestal inward flange lower edge court
The side of hollow portion is provided with support plate in the horizontal direction, the support plate is located at below motor；
The lid outer edge lower edge extended downwardly is arranged in the lid outer edge, and lid lower surface is provided with diameter less than outside lid
The lid lower edge of edge lower edge forms lid and stores cavity between lid outer edge lower edge and lid lower edge, lid lower edge is close
Lid center of circle side is lid groove, and the discharge outlet is arranged in lid groove, and the GPS locator, positioning column, pressure pass
Sensor, PLC control panel and lid power supply unit are arranged in lid storage chamber body.
4. antitheft drainage inspection well cover according to claim 3, it is characterised in that: discharge outlet is arranged in lid groove in six equal parts
Column.
5. antitheft drainage inspection well cover according to claim 1, it is characterised in that: the material of the positioning column is ferromagnetic material
Material.
6. a kind of application method of any antitheft drainage inspection well cover of claim 1-5: it is characterized by comprising following steps
It is rapid:
1) when rainfall is excessive causes the ponding on road surface excessive, surface gathered water is described to generation certain pressure above inspection well cover
When pressure sensor detects that the ponding pressure above lid is excessive, the PLC control panel, the PLC are transmitted a signal to
Control panel starts motor, and the rotation fanning strip is driven to rotate clockwise or counterclockwise, when the rotation fanning strip and its top
The overlapping of fixed sectors plate when, the motor stops, so that the ponding above the lid is discharged from discharge outlet；
2) external mobile terminal device or control centre monitor the working condition of inspection well cover by the radio transmitting device, described
Position signal is transferred to external mobile terminal device or control centre by radio transmitting device in real time by GPS locator；
3) electromagnetic lock when lid is covered on by positioning column on pedestal by user, below the positioning column and locating slot
The locking of energization magnetisation, when needing to unlock, is needed by external mobile terminal device or control for the antitheft of inspection well cover
Heart control PLC control panel, so that electromagnetic lock powers off, by realizing that electromagnetic lock loss of excitation and positioning column disconnect, the lid and pedestal
It is openable to repair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335559.4A CN109235622A (en) | 2018-11-09 | 2018-11-09 | A kind of antitheft drainage inspection well cover and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335559.4A CN109235622A (en) | 2018-11-09 | 2018-11-09 | A kind of antitheft drainage inspection well cover and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109235622A true CN109235622A (en) | 2019-01-18 |
Family
ID=65077844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811335559.4A Pending CN109235622A (en) | 2018-11-09 | 2018-11-09 | A kind of antitheft drainage inspection well cover and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109235622A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928224A (en) * | 2019-11-29 | 2020-03-27 | 通号通信信息集团有限公司 | Intelligent well lid monitoring and management system |
| CN111794344A (en) * | 2020-07-17 | 2020-10-20 | 广东珠江建筑工程设计有限公司 | Town road drainage pipe network |
| CN112144649A (en) * | 2020-09-28 | 2020-12-29 | 周舒琪 | Anti-blocking and automatic dredging device for sewer inspection well cover |
| CN112832356A (en) * | 2021-01-04 | 2021-05-25 | 齐小宇 | Inspection well cover with water outlet deposit cleaning function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009000008A1 (en) * | 2007-06-22 | 2008-12-31 | Magswitch Technology Worldwide Pty Ltd | Magnetic latching mechanism |
| CN104790499A (en) * | 2014-09-05 | 2015-07-22 | 合肥星服信息科技有限责任公司 | Inspection well lid device for urban waterlogging analysis |
| CN205224239U (en) * | 2015-11-15 | 2016-05-11 | 重庆乾顺科技有限公司 | Insect -prevention and odor -resistant sinking device for buildings |
| CN106351264A (en) * | 2016-11-01 | 2017-01-25 | 上海应用技术大学 | Inspection well cover |
-
2018
- 2018-11-09 CN CN201811335559.4A patent/CN109235622A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009000008A1 (en) * | 2007-06-22 | 2008-12-31 | Magswitch Technology Worldwide Pty Ltd | Magnetic latching mechanism |
| CN104790499A (en) * | 2014-09-05 | 2015-07-22 | 合肥星服信息科技有限责任公司 | Inspection well lid device for urban waterlogging analysis |
| CN205224239U (en) * | 2015-11-15 | 2016-05-11 | 重庆乾顺科技有限公司 | Insect -prevention and odor -resistant sinking device for buildings |
| CN106351264A (en) * | 2016-11-01 | 2017-01-25 | 上海应用技术大学 | Inspection well cover |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928224A (en) * | 2019-11-29 | 2020-03-27 | 通号通信信息集团有限公司 | Intelligent well lid monitoring and management system |
| CN111794344A (en) * | 2020-07-17 | 2020-10-20 | 广东珠江建筑工程设计有限公司 | Town road drainage pipe network |
| CN112144649A (en) * | 2020-09-28 | 2020-12-29 | 周舒琪 | Anti-blocking and automatic dredging device for sewer inspection well cover |
| CN112832356A (en) * | 2021-01-04 | 2021-05-25 | 齐小宇 | Inspection well cover with water outlet deposit cleaning function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109235622A (en) | A kind of antitheft drainage inspection well cover and its application method | |
| CN204559171U (en) | A kind of electric vehicle alternating-current charging pile based on street lamp | |
| CN208110749U (en) | A kind of electric automobile charging pile control device with function of safety protection | |
| CN205276164U (en) | Hydraulic pressure turns over plate resistance bus or train route barrier | |
| CN206962490U (en) | A kind of portable charging pile that can be charged at a distance | |
| CN111945787A (en) | Intelligent well lid | |
| CN207825977U (en) | A kind of charging pile | |
| CN109944189A (en) | A kind of intelligent space lock | |
| WO2016070659A1 (en) | Secure anti-theft charging pile | |
| CN212796572U (en) | Fill electric pile with parking stall lock structure | |
| CN210466626U (en) | Ultralow-power-consumption intelligent monitoring system for well lid theft prevention | |
| CN206157779U (en) | Intelligent well cover | |
| CN213973642U (en) | Fill electric pile's protective structure | |
| CN108177549A (en) | A kind of simple direct-current charging post | |
| CN209277648U (en) | Intelligent car position lock system based on NB-IoT | |
| CN207891962U (en) | A kind of lift hydrant protective device | |
| CN209940361U (en) | Lifting tray for automobile parking equipment | |
| CN207646630U (en) | A kind of subway signal caution device | |
| CN206932041U (en) | A kind of artificial intelligence charging pile | |
| CN207392250U (en) | A kind of cable well lid of multi-functional shock-proof type | |
| CN209022788U (en) | A kind of public exchange charging pile electromagnetic lock | |
| CN218597226U (en) | Intelligent well lid with anti-theft structure | |
| CN202175132U (en) | Antitheft device for electric car | |
| CN211256855U (en) | Lifting column water-retaining and waterlogging-preventing device | |
| CN101887987B (en) | Antitheft storage battery |
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: 20190118 |