CN209462682U - A kind of city illumination system and its failure automatic checkout equipment - Google Patents
A kind of city illumination system and its failure automatic checkout equipment Download PDFInfo
- Publication number
- CN209462682U CN209462682U CN201822168108.8U CN201822168108U CN209462682U CN 209462682 U CN209462682 U CN 209462682U CN 201822168108 U CN201822168108 U CN 201822168108U CN 209462682 U CN209462682 U CN 209462682U
- Authority
- CN
- China
- Prior art keywords
- cable
- module
- communication module
- illumination system
- data
- 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
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to city illumination technical fields, it is related to a kind of city illumination system and its failure automatic checkout equipment, its scheme is: a kind of city illumination system failure automatic checkout equipment comprising data center, live industrial control host and cable termination machine；Cable termination machine divides cable data acquisition module for acquiring the current parameters for dividing cable and/or voltage parameter and/or power factor parameter；The data for dividing cable data acquisition module to acquire are sent to live industrial control host by Power Line Carrier Communication Module by cable termination machine, and live industrial control host sends the data to data center；The comparison module of data center according to by received data with preset value for being compared；The display module of data center according to the comparison result of comparison module for being shown.The technical solution of the utility model can the failure to city illumination system detect automatically, it is no longer necessary to artificial and vehicle carries out scene inspection, and efficiency is higher.
Description
Technical field
The utility model relates to city illumination technical field, in particular to a kind of city illumination system and its event
Hinder automatic checkout equipment.
Background technique
Road lighting distribution line long transmission distance, branch line is more, is largely underground cable line, and use environment condition is disliked
Bad, it is higher that the natural calamities such as outer broken, equipment fault and thunder and lightning often result in failure rate.Have a power failure once breaking down, gives people first
People's people life is made troubles, and the normal illumination of city street lamp is disturbed；Secondly greater loss is caused to power supply company；Furthermore one
Route distance is longer, and branch is again more, is in reticular structure, and lookup failure is extremely difficult.
In the maintenance work of existing city illumination, whether failure is largely carried out by hand fit's vehicle lighting system
Inspection, it is slow that there are efficiency, the difficult points such as at high cost.
Summary of the invention
In view of this, the present invention provides a kind of city illumination system and its failure automatic checkout equipments, mainly
Purpose is in the maintenance work for solving existing city illumination, lighting system whether failure generally by hand fit's license plate into
Row inspection, leads to the technical problem that efficiency is lower.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions:
On the one hand, the embodiments of the present invention provide a kind of city illumination system failure automatic checkout equipment, packet
Include data center, live industrial control host and cable termination machine；
The scene industrial control host includes the first Power Line Carrier Communication Module and first communication module；The cable termination
Machine includes dividing cable data acquisition module and the second Power Line Carrier Communication Module；The data center includes the second communication mould
Block, comparison module and display module；
Wherein, it is described divide cable data acquisition module for acquire the current parameters for dividing cable and/or voltage parameter and/or
Power factor parameter；The cable termination machine divides cable data to acquire by second Power Line Carrier Communication Module by described
The data of module acquisition are sent to the first Power Line Carrier Communication Module of live industrial control host；The scene industrial control host passes through
The received data of first Power Line Carrier Communication Module are sent to the second of data center and led to by the first communication module
Believe module；
The comparison module according to the received data of the second communication module with preset value for being compared；
Display module, for being shown according to the comparison result of the comparison module.
By above-mentioned setting, the technical solution of the utility model can failure to city illumination system automatically into
Row detection, it is no longer necessary to which artificial and vehicle carries out scene inspection, and efficiency is higher.
The utility model is further arranged to: the scene industrial control host further includes leader cable parameter collection module；
The leader cable parameter collection module is used to acquire the current parameters and/or voltage parameter and/or power of leader cable
Factor data；
The scene industrial control host also passes through what the first communication module acquired the leader cable parameter collection module
Data are sent to the second communication module of data center.
By above-mentioned setting, section can be formed by each street lamp being connected with leader cable and integrally detected, seen
Whether corresponding section has street lamp fault.If detecting that street lamp fault, then the section to failure occurs in corresponding section
Fine investigation.
The utility model is further arranged to: the first communication module and the second communication module are wireless communication
Module.Preferably, the wireless communication module is 4G communication module.
By using above-mentioned technical proposal, the wireless transmission of data may be implemented, without complicated wiring, operate compared with
It is convenient.
The utility model is further arranged to: city illumination system failure automatic checkout equipment further includes acousto-optic hint
Device；
The acousto-optical prompting device is used to carry out acousto-optic response according to the comparison result of the comparison module.
By using above-mentioned technical proposal, convenient working personnel are checked.
On the other hand, the embodiments of the present invention also provide a kind of city illumination system, may include above-mentioned
Any city illumination system failure automatic checkout equipment.
In the above-described embodiments, city illumination system provided by the utility model is shone since above-mentioned urban road is arranged
The reason of bright system failure automatic checkout equipment, thus can the failure to city illumination system detect automatically, no
Artificial and vehicle is needed to carry out scene inspection again, efficiency is higher.
The utility model is further arranged to: city illumination system further includes the road for being controlled each street lamp
Road lighting control box；
The scene industrial control host is arranged in the road lighting control cabinet.
By using above-mentioned technical proposal, road lighting control cabinet can provide live industrial control host shell protection, prevent
Only live industrial control host receives destruction.
The utility model is further arranged to: the end of point cable is arranged in the cable termination machine.
By using above-mentioned technical proposal, cable termination machine is facilitated to be acquired the information parameter for dividing cable.
By above-mentioned technical proposal, the utility model city illumination system and its failure automatic checkout equipment at least have
Have it is following the utility model has the advantages that
In technical solution provided by the utility model, because cable termination machine divides cable data acquisition module that can adopt
Collection divides the current parameters and/or voltage parameter and/or power factor parameter of cable, by the effect of each communication module, in data
The heart can receive the data, which can be compared by the comparison module of data center with default value, with judgement point
Whether the on-off or lamps and lanterns of cable are damaged.In summary, the technical solution of the utility model can be to city illumination
The failure of system is detected automatically, it is no longer necessary to which artificial and vehicle carries out scene inspection, and efficiency is higher.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is a kind of city illumination system failure automatic checkout equipment that an embodiment of the utility model provides
Structural block diagram.
Appended drawing reference: 1, live industrial control host；2, cable termination machine；3, data center；11, the first power line carrier communication
Module；12, leader cable parameter collection module；13, first communication module；21, the second Power Line Carrier Communication Module；22, divide electricity
Cable parameter collection module；31, second communication module；32, comparison module；33, display module.
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 a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
As shown in Figure 1, a kind of city illumination system failure that one embodiment of the utility model proposes is examined automatically
Measurement equipment comprising live industrial control host 1, cable termination machine 2 and data center 3.Live industrial control host 1 includes the first power line
Carrier communication module 11 and first communication module 13.Cable termination machine 2 includes the second Power Line Carrier Communication Module 21 and point electricity
Cable parameter collection module 22.Data center 3 includes second communication module 31, comparison module 32 and display module 33.
Wherein, divide cable data acquisition module 22 for acquiring the current parameters for dividing cable and/or voltage parameter and/or function
Rate factor data.Cable termination machine 2 will divide cable data acquisition module 22 to acquire by the second Power Line Carrier Communication Module 21
Data be sent to the first Power Line Carrier Communication Module 11 of live industrial control host 1.Live industrial control host 1 passes through the first communication
The received data of first Power Line Carrier Communication Module 11 are sent to the second communication module 31 of data center 3 by module 13.Than
It is used to be compared according to the received data of second communication module 31 with preset value compared with module 32.Display module 33 be used for according to than
Comparison result compared with module 32 is shown.
Preferably, above-mentioned to divide cable data acquisition module 22 be to the current parameters, voltage parameter and function for dividing cable
Rate factor data is acquired, correspondingly, comparison module 32 can join the electric current for dividing cable data acquisition module 22 to acquire
Number is compared with preset current value, by the voltage parameter for dividing cable data acquisition module 22 to acquire and preset voltage value into
Row compares, and the power factor (PF) parameter for dividing cable data acquisition module 22 to acquire and preset power factor (PF) parameter value are compared
Compared with, relative to only acquire current parameters, voltage parameter or power factor (PF) parameter are compared judgement, the technical side of the utility model
Case carries out multilevel iudge due to being acquired to the current parameters, voltage parameter and power factor (PF) parameter that divide cable,
It is more preferable to the judgment accuracy for dividing cable fault.
In the technical solution of above-mentioned offer, because cable termination machine 2 divides cable data acquisition module 22 that can acquire
The current parameters and/or voltage parameter and/or power factor parameter of point cable, pass through the effect of each communication module, data center 3
It can receive the data, which can be compared by the comparison module 32 of data center 3 with default value, with judgement point
Whether the on-off or lamps and lanterns of cable are damaged.In summary, the technical solution of the utility model can be to city illumination
The failure of system is detected automatically, it is no longer necessary to which artificial and vehicle carries out scene inspection, and efficiency is higher.
What needs to be explained here is that: industrial control host is alternatively referred to as industrial personal computer, industrial personal computer (Industrial Personal
Computer, IPC) i.e. industrial control computer, it is a kind of using bus structures, production process and electromechanical equipment, technique is filled
The standby tool general name for carrying out Detection & Controling.Industrial personal computer have important computer attribute and feature, such as have computer motherboard,
CPU, hard disk, memory, peripheral hardware and interface, and have operating system, control network and agreement, computing capability, the man-machine interface of close friend.
The product and technology of industry control industry are very special, belong to intermediate products, be provided for other every profession and trades it is stable, reliable, embedded,
Intelligentized industrial computer.
Above-mentioned data center 3 can be server etc..
Above-mentioned the first Power Line Carrier Communication Module 11, the second Power Line Carrier Communication Module 21 and comparison module 32
Structure be common technology in the prior art, can according to need and choose in the prior art, details are not described herein.
City illumination system is powered using cable.Specifically, electric energy is output on leader cable through transformer,
Leader cable has separated multiple points of cables, and cable is each divided to be connected with a street lamp, to give street lamp power supply, road lamp power supply.Above-mentioned divides cable data
Acquisition module 22 is for carrying out information collection to the relevant parameter on each point of cable.
In one example, as shown in Figure 1, scene industrial control host 1 above-mentioned can also include leader cable parameter acquisition mould
Block 12.Leader cable parameter collection module be used for acquire leader cable current parameters and/or voltage parameter and/or power factor ginseng
Number.The data that leader cable parameter collection module acquires also are sent to data by first communication module 13 by live industrial control host 1
The second communication module 31 at center 3.
The information parameter of the leader cable received is compared by the comparison module 32 of data center 3 with preset value, to sentence
The failures such as on-off, the lamps and lanterns damage of disconnected leader cable.
By above-mentioned setting, section can be formed by each street lamp being connected with leader cable and integrally detected, seen
Whether corresponding section has street lamp fault.If detecting that street lamp fault, then the section to failure occurs in corresponding section
Fine investigation.
Display module 33 above-mentioned can be display etc..
Data center 3 further includes host, has center analysis software in host, the software is in combination with electronic map, conversion
At illumination profile figure, the result analyzed can directly be shown on map.
First communication module 13 and second communication module 31 above-mentioned can be wireless communication module.Preferably, the nothing
Line communication module is 4G communication module.The wireless transmission that data so may be implemented operates relatively square without complicated wiring
Just.
The city illumination system failure automatic checkout equipment of the utility model can also include acousto-optical prompting device.Acousto-optic
Prompting device is used to carry out acousto-optic response according to the comparison result of comparison module 32, and with convenient working, personnel are checked.
The embodiments of the present invention also provide a kind of city illumination system, may include in any of the above-described example
City illumination system failure automatic checkout equipment.
In the above-described embodiments, city illumination system provided by the utility model is shone since above-mentioned urban road is arranged
The reason of bright system failure automatic checkout equipment, thus can the failure to city illumination system detect automatically, no
Artificial and vehicle is needed to carry out scene inspection again, efficiency is higher.
Further, the city illumination system of the utility model further includes the road for being controlled each street lamp
Lighting control box.Scene industrial control host 1 above-mentioned is arranged in road lighting control cabinet.In this way, road lighting control cabinet can be with
Shell protection is provided to live industrial control host 1, prevents live industrial control host 1 from receiving destruction.
Further, cable termination machine 2 above-mentioned can be set in the end for dividing cable, to facilitate cable termination machine 2 right
The information parameter of cable is divided to be acquired.
The working principle and preferred embodiment of the utility model is described below.
As shown in Figure 1, a live industrial control host 1 is arranged in each road lighting control cabinet, include in live industrial control host 1
Have following three module: (1) leader cable parameter collection module 12, electric current, voltage, power factor etc. to acquire leader cable are joined
Number.(2) first Power Line Carrier Communication Modules 11, communicate with cable termination machine 2.(3) first communication module 13；It should
First communication module 13 is preferably 4G communication module, and with present wireless network, collected information is used wireless mode
Send back to data center 3.
A cable termination machine 2 is arranged in each cable end piece, and cable termination machine 2 includes following two modules: (1) dividing electricity
Cable parameter collection module 22, to acquire the parameters such as each point of cable current, voltage, power factor.(2) second power line carriers are logical
Believe module 21, is communicated with live industrial control host 1.
Data center 3 has analysis software, which is analyzed the data that live industrial personal computer is sent back to and compared,
According to the data such as voltage, electric current, power factor (PF) carry out normal value initial samples, in follow-up work and by the data of acquisition with
Primary data is compared, thus judge cable on-off, the failures such as lamps and lanterns damage.
Software to be analyzed in combination with electronic map, is converted into illumination profile figure, the result analyzed is directly shown on map,
And it can be expressed by acoustooptic form.
The workflow of the utility model city illumination system failure automatic checkout equipment is as follows: (1) cable termination
Machine 2 acquires information；(2) information sends back to live industrial control host 1；(3) live industrial control host 1 by leader cable and divides cable information to send back to
Data center 3；(4) data center 3 compares and analyzes to field data, makes breakdown judge.
The key point that the technical program is realized is that data center 3 is acquired the original state of parameter and right
The sensitivity of comparing.The never stable parameter of network voltage, when voltage change, corresponding current value can change,
3 most critical of data center is exactly to realize the normal variation value that can determine whether voltage and corresponding current, and be different from failure and cause
Parameters variation.
In the technical solution of the utility model, cable termination machine 2 can determine whether the variation less than 0.1A electric current.Data center
3 analysis software be realize comparison result hommization, can minimum probability cause to judge by accident, and combine electronic map, allow illumination tie up
Nurse makees to become simpler.
What needs to be explained here is that: in the absence of conflict, those skilled in the art can according to the actual situation by
Relevant technical characteristic is combined with each other in above-mentioned each example, to reach corresponding technical effect, particularly for various combined situations
It will not repeat them here.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of city illumination system failure automatic checkout equipment, which is characterized in that including live industrial control host (1), electricity
Cable terminating machine (2) and data center (3)；
The scene industrial control host (1) includes the first Power Line Carrier Communication Module (11) and first communication module (13)；It is described
Cable termination machine (2) includes dividing cable data acquisition module (22) and the second Power Line Carrier Communication Module (21)；The data
Center (3) includes second communication module (31), comparison module (32) and display module (33)；
Wherein, it is described divide cable data acquisition module (22) for acquire the current parameters for dividing cable and/or voltage parameter and/or
Power factor parameter；The cable termination machine (2) divides cable for described by second Power Line Carrier Communication Module (21)
The data of parameter collection module (22) acquisition are sent to the first Power Line Carrier Communication Module (11) of live industrial control host (1)；
The scene industrial control host (1) is connect first Power Line Carrier Communication Module (11) by the first communication module (13)
The data of receipts are sent to the second communication module (31) of data center (3)；
The comparison module (32) according to the second communication module (31) received data with preset value for being compared；
Display module (33), for being shown according to the comparison result of the comparison module (32).
2. city illumination system failure automatic checkout equipment according to claim 1, which is characterized in that
The scene industrial control host (1) further includes leader cable parameter collection module (12)；
The leader cable parameter collection module is used to acquire the current parameters and/or voltage parameter and/or power factor of leader cable
Parameter；
The scene industrial control host (1) is also acquired the leader cable parameter collection module by the first communication module (13)
Data be sent to the second communication modules (31) of data center (3).
3. city illumination system failure automatic checkout equipment according to claim 1 or 2, which is characterized in that
The first communication module (13) and the second communication module (31) are wireless communication module.
4. city illumination system failure automatic checkout equipment according to claim 3, which is characterized in that
The wireless communication module is 4G communication module.
5. city illumination system failure automatic checkout equipment according to claim 1,2 or 4, which is characterized in that also
Including acousto-optical prompting device；
The acousto-optical prompting device is used to carry out acousto-optic response according to the comparison result of the comparison module (32).
6. a kind of city illumination system, which is characterized in that including urban road described in any one of claims 1 to 5
Lighting system failure automatic checkout equipment.
7. city illumination system according to claim 6, which is characterized in that further include for being controlled to each street lamp
The road lighting control cabinet of system；
The scene industrial control host (1) is arranged in the road lighting control cabinet.
8. city illumination system according to claim 6 or 7, which is characterized in that
The end of point cable is arranged in the cable termination machine (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822168108.8U CN209462682U (en) | 2018-12-23 | 2018-12-23 | A kind of city illumination system and its failure automatic checkout equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822168108.8U CN209462682U (en) | 2018-12-23 | 2018-12-23 | A kind of city illumination system and its failure automatic checkout equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462682U true CN209462682U (en) | 2019-10-01 |
Family
ID=68041725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822168108.8U Expired - Fee Related CN209462682U (en) | 2018-12-23 | 2018-12-23 | A kind of city illumination system and its failure automatic checkout equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209462682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433383A (en) * | 2021-05-26 | 2021-09-24 | 深圳市明之辉建设工程有限公司 | Method, device and system for measuring electric quantity of intelligent lamp pole in shunt way |
-
2018
- 2018-12-23 CN CN201822168108.8U patent/CN209462682U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433383A (en) * | 2021-05-26 | 2021-09-24 | 深圳市明之辉建设工程有限公司 | Method, device and system for measuring electric quantity of intelligent lamp pole in shunt way |
| CN113433383B (en) * | 2021-05-26 | 2022-04-01 | 深圳市明之辉智慧科技有限公司 | Method, device and system for measuring electric quantity of intelligent lamp pole in shunt way |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205305194U (en) | Street lamp automatic monitoring system | |
| CN202569230U (en) | Internet of things type fire-fighting emergency lighting evacuation indicator escape and maintenance system | |
| CN110766590A (en) | Street lamp predictive maintenance system and method based on deep learning | |
| CN104318300A (en) | Three-card-in-one based transformer substation tool management system and method | |
| CN103412213A (en) | Crosslinked polyethylene high-voltage cable on-line monitoring and early warning system | |
| CN209462682U (en) | A kind of city illumination system and its failure automatic checkout equipment | |
| CN114972657A (en) | Intelligent machine room management system and method based on three-dimensional model | |
| CN113806420A (en) | Power grid data monitoring method and device | |
| Pinto et al. | Smart modules for lighting system applications and power quality measurements | |
| CN206209021U (en) | A kind of charging pile intelligence aging equipment of energy source feedback | |
| CN203851320U (en) | Urban lighting control system based on MESH network | |
| CN104410518A (en) | Intelligent wiring system scanner and application thereof | |
| CN202334001U (en) | Image recognition-based intelligent transformer substation status monitoring system | |
| CN203535128U (en) | Crosslinked polyethylene high-voltage cable on-line monitoring and early warning system | |
| CN108494095A (en) | Bus power supply range based automatic identification and display method | |
| CN101848106A (en) | Electronic intelligent control method for wiring system and electronic wiring system | |
| CN105373888A (en) | Transmission line physical information fusion multi-layer management and control method and system | |
| CN104484753A (en) | Server asset information tracing method | |
| CN106809255A (en) | A kind of train automatic monitoring system and its implementation | |
| CN103679375A (en) | Electric wire repair management system | |
| CN107529099A (en) | A kind of electrical harnesses frame control system based on RFID | |
| CN107147518A (en) | Power communication overhauls the automatic risk analysis model of influence business and its analysis method | |
| CN208281965U (en) | A kind of Internet of Things street lamp | |
| CN207835493U (en) | A kind of collaborative maintenance device | |
| CN207122306U (en) | Oil well measurement instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 Termination date: 20211223 |