CN106504514A - Communication equipment and its power down alarm method - Google Patents
Communication equipment and its power down alarm method Download PDFInfo
- Publication number
- CN106504514A CN106504514A CN201610973705.0A CN201610973705A CN106504514A CN 106504514 A CN106504514 A CN 106504514A CN 201610973705 A CN201610973705 A CN 201610973705A CN 106504514 A CN106504514 A CN 106504514A
- Authority
- CN
- China
- Prior art keywords
- power
- communication equipment
- module
- power down
- warning message
- 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
- 238000004891 communication Methods 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 49
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 239000013307 optical fiber Substances 0.000 claims description 9
- 230000001960 triggered effect Effects 0.000 claims description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 239000013308 plastic optical fiber Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Communication System (AREA)
Abstract
The present invention provides a kind of communication equipment and its power down alarm method, and the communication equipment includes：Power module, the power supply of its input connection ammeter are used for powering for the down Monitor Unit module in communication equipment, controller, optical transceiver module and power storage module；Down Monitor Unit module, for monitoring the power module, when the power module occurs power down, sends interrupt signal to controller；Power storage module, for when the power module power down, powering to the controller and optical transceiver module；Controller, for according to the power down warning message produced when receiving the interrupt signal with regard to the communication equipment；Optical transceiver module, sends to higher level equipment for the power down warning message is carried out electro-optic conversion, and higher level equipment can know the power down situation of communication equipment in time in the present invention, is easy to staff to safeguard, reduces the unnecessary economic loss of users；The stability that monitoring power down is reported to the police is improve, the layout cost of whole system is decreased.
Description
Technical field
The present invention relates to technical field of photo communication, more particularly to a kind of wire communication facility and its power down alarm method.
Background technology
At present, the intelligent electric meter meter reading method of power system has narrow-band power line carrier to check meter, 485 communication modes are checked meter,
Radio meter register and bandwidth carrier are checked meter and realize the mode such as check meter of intelligent electric meter.But, above meter reading method exists respective
Defect, it is impossible to fully meet the indices requirement checked meter by intelligent electric meter.Narrowband carrier kilowatt meter reading-out system equipment easily receives electromagnetism
Interference, shows the unstable problem of carrier meter reading system in peak of power consumption.485 check meter due to using metallic communications in outside run
Wire, easily by disturbing that various spatial impression are answered, the environment for meeting forceful electric power or thunderbolt easily causes Large area electronics
Damage, lose meter-reading function, failture evacuation is difficult.Radio meter register needs to complete to check meter by networking and relaying, and to sky
Between, the reacting condition of the factor such as environment sensitive, it is impossible to realize real-time meter-reading function.Bandwidth carrier is checked meter transmission distance on electric lines of force
From too short, practicality is poor, and large-scale promotion is unrealistic.Silica fibre communication has the features such as safe and reliable, confidentiality is high, but
It is inclined currently used for the communication module price of electric power EPON (Ethernet Passive Optical Network) application of checking meter
High, power consumption is big, and every piece of ammeter will access independent silica fibre, causes to connect up substantial amounts, and system cannot be born etc. asks
Topic.
However, communication equipment is applied in the automatic meter reading system of the communications field, such as power line carrier is checked meter, 485 lead to
It is to propagate information by current signal that letter mode is checked meter, when powering-off state occur in automatic meter reading system or ammeter, it is impossible to will
Power down warning message transmits the higher level equipment connected to which.Meanwhile, higher level equipment can not obtain its outage information in time, not side
Just staff safeguards, also causes unnecessary economic loss to users.
Content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of communication equipment and its power down report
Alarm method, is applied in automatic meter reading system for solving prior art communication equipment, when certain or some ammeter power-off, nothing
Method promptly and accurately knows the problem that its power down is reported to the police.
For achieving the above object and other related purposes, the present invention provides a kind of communication equipment, and the communication equipment is installed
On ammeter, for being communicated with other ammeters and concentrator or harvester, while the communication equipment can be to the ammeter
Power supply state be monitored warning, the communication equipment includes：
Power module, its input connect the power supply of the ammeter, for for the down Monitor Unit mould in communication equipment
Block, controller, optical transceiver module and power storage module are powered；
Down Monitor Unit module, its input connection power module, outfan connects controller, for monitoring the power supply mould
Block, when the power module occurs power down, sends interrupt signal to controller；
Power storage module, its input connection power module, outfan connects controller and optical transceiver module respectively, for working as
During the power module power down, the controller and optical transceiver module are powered；
Controller, its input connection down Monitor Unit module, outfan connect optical transceiver module, receive institute for basis
The power down warning message with regard to the communication equipment is produced when stating interrupt signal；
Optical transceiver module, its outfan connection optical fiber, for by the power down warning message carry out electro-optic conversion send to
Higher level equipment.
The present invention also aims to provide a kind of communication equipment power down alarm method, for automatic meter reading system in electricity
Warning is monitored to the power supply state of the ammeter on table, including：
Monitoring is installed on the level of communication equipment on ammeter；
When the level value of the communication equipment is less than default alarm level value, interrupt signal is triggered；
Power down warning message with regard to communication equipment is produced according to interrupt signal, by the power down warning message with optical signal
Form is sent to higher level equipment.
As described above, the communication equipment of the present invention and its power down alarm method, have the advantages that：
Based on the intelligent electric meter kilowatt meter reading-out system of plastic optical fiber, propagate information by optical signal, therefore in section power down or
During person's ammeter power down failure, optical transceiver module sends optical signal power down warning, and the optical signal power down is reported to the police and transmitted to higher level equipment.
The present invention is installed on described communication equipment on the ammeter in automatic meter reading system and the power supply state of the ammeter is supervised
Police is observed and predicted, as the power supply of communication equipment is provided for ammeter, then represents that ammeter also falls when the communication equipment occurs power down
Electricity；When communication equipment occur power down when, produce with regard to the communication equipment power down warning message, by the power down warning message with
Optical signal form is sent to higher level equipment, can know the power down situation of communication equipment in time, is easy to staff to safeguard, is reduced
The unnecessary economic loss higher level equipment of users.
Description of the drawings
Fig. 1 is shown as a kind of communication apparatus construction block diagram of present invention offer；
Fig. 2 is shown as a kind of power down alarm method flow chart of communication equipment of present invention offer.
Component label instructions：
1 power module
2 down Monitor Unit modules
3 controllers
4 power storage modules
5 optical transceiver modules
S1～S3 step 1～3
Specific embodiment
Embodiments of the present invention are described below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different concrete realities
The mode of applying is carried out or applies, and the every details in this specification can also be based on different viewpoints and application, without departing from
Various modifications and changes are carried out under the spirit of the present invention.It should be noted that, in the case where not conflicting, following examples and enforcement
Feature in example can be mutually combined.
It should be noted that the diagram provided in following examples only illustrates the basic structure of the present invention in a schematic way
Think, only show then the component relevant with the present invention in schema rather than according to component count during actual enforcement, shape and size
Draw, which is actual when the implementing kenel of each component, quantity and ratio can be a kind of random change, and its assembly layout kenel
It is likely more complexity.
Fig. 1 is referred to, for a kind of communication apparatus construction block diagram that the present invention is provided, the communication equipment is installed in ammeter
On, for being communicated with other ammeters and concentrator or harvester, while the communication equipment can be to the power supply of the ammeter
State is monitored warning, and the communication equipment includes：
Power module 1, its input connect the power supply of the ammeter, for supervising for the power down in communication equipment
Survey module, controller, optical transceiver module and power storage module to power；
Specifically, the power module connects down Monitor Unit module, controller, optical transceiver module and power storage module respectively,
Power supply of the power supply of the power module from ammeter, when communication equipment normal work, power module is communication equipment
Interior down Monitor Unit module, controller, optical transceiver module and power storage module are powered.
Down Monitor Unit module 2, for monitoring the power module, when the power module occurs power down, sends and interrupts
Signal is to controller；
Specifically, described down Monitor Unit module one end connects power module, for for down Monitor Unit module for power supply, which is another
The level of end connection monitoring power supply state, including the incoming level and output level of power module, for monitor communication equipment or
The power supply state of ammeter, when the level is less than default alarm level value, produces interrupt signal and sends to the control
Device；Powered shape by monitoring the level of power module in communication equipment and can reach ammeter in monitoring automatic meter reading system simultaneously
The effect of state.
Power storage module 4, for when the power module power down, powering to the controller and optical transceiver module；
Specifically, power storage module input connection power module, its outfan connect controller and optical transceiver module respectively；
When the power module normal work, power storage module is charged；When the power module power down, power storage module is to the control
Device processed is discharged for its normal work with optical transceiver module；Electric capacity of the power storage module preferably for a 10MF, which is in electricity
Afterflow is carried out after source module power down, controller and electric current needed for transceiver module can be maintained so that transceiver module continuously transmits three times
Power down warning message.
Controller 3, for according to the power down warning message generated when receiving the interrupt signal with regard to the communication equipment；
Specifically, the controller input connects down Monitor Unit module, its outfan connection optical transceiver module；Work as reception
During to the interrupt signal, the power down warning message with regard to communication equipment is produced, the power down warning message continuous several times are sent out
Deliver to the optical transceiver module；The controller can be processor, single-chip microcomputer, in PLD any one, wherein,
The controller at least sends a power down warning message, and when the controller contains memory element, first can prestore power down report
Alarming information, and when controller is without memory element, the power down alarm signal generated with regard to communication equipment is only triggered by interrupt signal
Breath.
Optical transceiver module 5, sends to higher level equipment for the power down warning message is carried out electro-optic conversion.
Specifically, the higher level equipment can be concentrator or harvester, the optical transceiver module input and controller phase
Even, its power down warning message for sending is received, its outfan connection optical fiber forwards power down warning message, when receiving every time
Telegram alarming information converts thereof into the power down warning message with optical signal as carrier, sends out the power down warning message using optical fiber
Deliver to higher level equipment；Described optical transceiver module one end is connected with controller, receives its power down warning message for sending, its other end
Connection optical fiber, forwards power down warning message.Optical transceiver module can be fiber optical transceiver.
Wherein, optical fiber includes plastic optical fiber and silica fibre, herein preferred plastic optical fiber, and plastic optical fiber is rising in recent years
A kind of Novel photo-communication medium, its constitute optical fiber core and covering be all plastic material, with big core diameter 50/125um and 62.5/
The quartz glass multimode fibre of 125um is compared, and the core stem of plastic optical fiber is up to 200-1000um, can be used without light when which continues
The cheap injection-moulded plastic adapter of fine abutment sleeve, even fibre junction SMIS are directed at generation ± 30um deviations all without impact
Coupling loss, with constructing, convenient, continue low cost and other advantages.Based on above-mentioned advantage, copied based on the intelligent electric meter of plastic optical fiber
Table system can bring the very big improvement in performance, fully meet the demand that intelligent electric meter is checked meter.
In the present embodiment, relative to Wireless Telecom Equipment and power down alarm method, in the scale popularization and application for,
Because its cost is lower, performance is more stable, have more application value, and it is applied to the ammeter in automatic meter reading system
On, improve the stability that monitoring power down is reported to the police.
Fig. 2 is referred to, a kind of power down alarm method flow chart of the communication equipment provided for the present invention, for centralized automatic meter-reading
Warning is monitored to the power supply state of the ammeter on ammeter in system, including：
Monitoring is installed on the level of communication equipment power module on ammeter；
When the level value of the communication equipment power module is less than default alarm level value, interrupt signal is triggered；
Wherein, when the level value of the communication equipment power module is less than default alarm level value, letter is interrupted in triggering
Number, stand-by power supply (i.e. power storage module) starts to discharge, and controller and optical transceiver module are powered.
Power down warning message with regard to communication equipment is generated according to interrupt signal, by the power down warning message with optical signal
Form is sent to higher level equipment.
Wherein, when the power down warning message that the interrupt signal generation is prestored is received, by the power down alarm signal
Breath carries out electro-optic conversion, is sent to higher level equipment with optical signal form, wherein, sends to higher level equipment with optical signal form
Telegram alarming information is at least portion.
In sum, the communication equipment is installed on the confession on the ammeter in automatic meter reading system to the ammeter by the present invention
Electricity condition is monitored warning, due to the power supply that the power supply of communication equipment is ammeter, when the communication equipment occurs power down
Then represent that ammeter also occurs power down；When communication equipment occurs power down, the power down warning message with regard to the communication equipment is generated, will
The power down warning message is sent to higher level equipment with optical signal form, can be known the power down situation of communication equipment in time, is easy to
Staff's maintenance, reduces the unnecessary economic loss of users；Meanwhile, relative to communication, with optical signal
Even if form also can be sent power down warning message to higher level equipment using the whole section power down of optical fiber, monitoring power down report is improve
Alert stability, decreases the layout cost of whole system.So, the present invention effectively overcomes of the prior art a variety of scarce
Put and have high industrial utilization.
The principle and its effect of above-described embodiment only illustrative present invention, of the invention not for limiting.Any ripe
The personage for knowing this technology all can carry out modifications and changes to above-described embodiment under the spirit and the scope without prejudice to the present invention.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (8)
1. a kind of communication equipment, it is characterised in that the power supply state on the ammeter in for automatic meter reading system to the ammeter
Warning is monitored, the communication equipment includes：
Power module, its input connect the power supply of the ammeter, for for the down Monitor Unit module in communication equipment, control
Device processed, optical transceiver module and power storage module are powered；
Down Monitor Unit module, its input connection power module, outfan connects controller, for monitoring the power module,
When the power module occurs power down, interrupt signal is sent to controller；
Power storage module, its input connection power module, outfan connects controller and optical transceiver module respectively, for when described
During power module power down, the controller and optical transceiver module are powered；
Controller, its input connection down Monitor Unit module, outfan connect optical transceiver module, for according to receive described in
The power down warning message with regard to the communication equipment is produced during break signal；
Optical transceiver module, its outfan connection optical fiber, sends to higher level for the power down warning message is carried out electro-optic conversion
Equipment.
2. communication equipment according to claim 1, it is characterised in that the power storage module is specifically for when the power supply
During module normal work, it is charged；When the power module power down, the controller and optical transceiver module are powered.
3. communication equipment according to claim 1, it is characterised in that the down Monitor Unit module is specifically for monitoring institute
The level of power module is stated, when the level is less than default alarm level value, interrupt signal is produced and is sent to the control
Device.
4. communication equipment according to claim 1, it is characterised in that the controller is specifically for described when receiving
During interrupt signal, the power down warning message with regard to communication equipment is generated, the power down warning message continuous several times are sent to institute
State optical transceiver module.
5. communication equipment according to claim 1, it is characterised in that the optical transceiver module is specifically for when connecing every time
Receive power down warning message and convert thereof into power down warning message with optical signal as carrier, the power down is reported to the police using optical fiber
Information is sent to higher level equipment.
6. a kind of power down alarm method of the communication equipment using as described in any one of claim 1 to 5, it is characterised in that use
Warning is monitored to the power supply state of the ammeter on the ammeter in automatic meter reading system, including：
Monitoring is installed on the level of communication equipment on ammeter；
When the level value of the communication equipment is less than default alarm level value, interrupt signal is triggered；
Power down warning message with regard to communication equipment is produced according to interrupt signal, by the power down warning message with optical signal form
Send to higher level equipment.
7. the power down alarm method of communication equipment according to claim 6, it is characterised in that described when the communication equipment
Level value be less than default alarm level value when, triggering interrupt signal the step of, specifically include：
When the level value of the communication equipment is less than default alarm level value, start the stand-by power supply of the communication equipment,
Triggering interrupt signal.
8. the power down alarm method of communication equipment according to claim 6, it is characterised in that described produced according to interrupt signal
The raw power down warning message with regard to communication equipment, the power down warning message is sent with optical signal form to the step of higher level equipment
Suddenly, specifically include：
When the power down warning message that the interrupt signal generation is prestored is received, the power down warning message is carried out electric light
Conversion, is sent to higher level equipment with optical signal form, wherein, is sent with optical signal form to the power down warning message of higher level equipment
At least a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610973705.0A CN106504514A (en) | 2016-11-04 | 2016-11-04 | Communication equipment and its power down alarm method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610973705.0A CN106504514A (en) | 2016-11-04 | 2016-11-04 | Communication equipment and its power down alarm method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106504514A true CN106504514A (en) | 2017-03-15 |
Family
ID=58323104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610973705.0A Pending CN106504514A (en) | 2016-11-04 | 2016-11-04 | Communication equipment and its power down alarm method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106504514A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153151A (en) * | 2017-07-03 | 2017-09-12 | 湖南华烨智能通信技术股份有限公司 | Low voltage electric network subscribers' line power down quick response to faults method and system |
| CN107204111A (en) * | 2017-06-01 | 2017-09-26 | 重庆世纪之光科技实业有限公司 | The power supply state report method and its device of a kind of ammeter |
| CN107331148A (en) * | 2017-06-01 | 2017-11-07 | 重庆世纪之光科技实业有限公司 | Meter reading network, intelligent electric meter and its power fail warning method for sending information and device |
| CN107346604A (en) * | 2017-06-01 | 2017-11-14 | 重庆世纪之光科技实业有限公司 | Meter reading network and its intelligent electric meter and power fail warning monitoring method and device |
| CN109831350A (en) * | 2018-11-01 | 2019-05-31 | 华为技术有限公司 | Method, computer equipment and the distributed computer device systems that facility information is sent |
| CN110928735A (en) * | 2019-11-25 | 2020-03-27 | 杜杰 | Power down arbitration bus transceiver and bus system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202512170U (en) * | 2012-04-19 | 2012-10-31 | 上海大亚科技有限公司 | Intelligent ammeter communication module circuit structure having power-off protection function |
| CN202522610U (en) * | 2012-02-23 | 2012-11-07 | 海军工程大学 | Direct current power supply power failure monitoring device |
| CN203747502U (en) * | 2014-03-20 | 2014-07-30 | 谭守军 | Power outage reporting device used for power utilization information acquisition terminal |
| CN204649816U (en) * | 2015-05-12 | 2015-09-16 | 滁州学院 | A kind of intelligent electric meter |
| CN205404718U (en) * | 2016-03-01 | 2016-07-27 | 国网冀北电力有限公司秦皇岛供电公司 | Disconnected electric detection means of circuit and system |
-
2016
- 2016-11-04 CN CN201610973705.0A patent/CN106504514A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202522610U (en) * | 2012-02-23 | 2012-11-07 | 海军工程大学 | Direct current power supply power failure monitoring device |
| CN202512170U (en) * | 2012-04-19 | 2012-10-31 | 上海大亚科技有限公司 | Intelligent ammeter communication module circuit structure having power-off protection function |
| CN203747502U (en) * | 2014-03-20 | 2014-07-30 | 谭守军 | Power outage reporting device used for power utilization information acquisition terminal |
| CN204649816U (en) * | 2015-05-12 | 2015-09-16 | 滁州学院 | A kind of intelligent electric meter |
| CN205404718U (en) * | 2016-03-01 | 2016-07-27 | 国网冀北电力有限公司秦皇岛供电公司 | Disconnected electric detection means of circuit and system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204111A (en) * | 2017-06-01 | 2017-09-26 | 重庆世纪之光科技实业有限公司 | The power supply state report method and its device of a kind of ammeter |
| CN107331148A (en) * | 2017-06-01 | 2017-11-07 | 重庆世纪之光科技实业有限公司 | Meter reading network, intelligent electric meter and its power fail warning method for sending information and device |
| CN107346604A (en) * | 2017-06-01 | 2017-11-14 | 重庆世纪之光科技实业有限公司 | Meter reading network and its intelligent electric meter and power fail warning monitoring method and device |
| CN107331148B (en) * | 2017-06-01 | 2018-11-02 | 重庆世纪之光科技实业有限公司 | Meter reading network, intelligent electric meter and its power fail warning method for sending information and device |
| CN107204111B (en) * | 2017-06-01 | 2019-09-27 | 重庆世纪之光科技实业有限公司 | A kind of the power supply state report method and its device of ammeter |
| CN107153151A (en) * | 2017-07-03 | 2017-09-12 | 湖南华烨智能通信技术股份有限公司 | Low voltage electric network subscribers' line power down quick response to faults method and system |
| CN107153151B (en) * | 2017-07-03 | 2020-04-17 | 湖南华烨智能通信技术股份有限公司 | Quick response method and system for power failure fault of low-voltage power grid user line |
| CN109831350A (en) * | 2018-11-01 | 2019-05-31 | 华为技术有限公司 | Method, computer equipment and the distributed computer device systems that facility information is sent |
| CN110928735A (en) * | 2019-11-25 | 2020-03-27 | 杜杰 | Power down arbitration bus transceiver and bus system |
| CN110928735B (en) * | 2019-11-25 | 2024-04-19 | 杜杰 | Power-down arbitration bus transceiver and bus system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106504514A (en) | Communication equipment and its power down alarm method | |
| CN105043494A (en) | Real-time underground water level monitoring device | |
| CN101598605A (en) | Cable head temperature online monitoring system | |
| CN101222399A (en) | Down-hole monitoring system and method thereof | |
| CN204313984U (en) | A kind of on-Line Monitor Device for electrical node temperature | |
| CN104408857A (en) | Firefighting monitoring system based on plastic optical fiber (POFs), and firefighting monitoring method based on POFs | |
| CN201072594Y (en) | Wireless pressure collection and recording system | |
| CN102594573A (en) | Ethernet power supply sensor network | |
| CN206210105U (en) | Communication equipment | |
| CN105371970A (en) | Substation wireless temperature measuring alarm system | |
| CN105720687B (en) | Ammeter is visited one house after another supervisory systems | |
| CN207036274U (en) | A kind of bus duct temperature-sensing system | |
| CN201203642Y (en) | Multi-node electric network alarm device for avoiding fraudulent use of electricity | |
| CN207039137U (en) | A kind of bus duct overheats open-circuit system | |
| CN207408769U (en) | A kind of charging pile system with electricity quantity control function based on LoRa communications | |
| CN205982405U (en) | Power failure alarm device | |
| CN205751183U (en) | The circuit monitoring alarm of electrically-based line carrier communication | |
| CN109920232A (en) | Electric power multi service access terminal and management system based on NB-loT | |
| CN104753598A (en) | Communication method for passive beam splitting RS-485 optical fiber bus | |
| CN208922458U (en) | Farm's alarm system | |
| CN209248734U (en) | Device is reported and submitted with no backup power supply power-off of base station on mountain | |
| CN105337412A (en) | Power distribution transformer monitoring terminal | |
| CN205178487U (en) | Intelligence residual current circuit breaker controlling means | |
| CN205847200U (en) | A kind of header box monitoring system based on optical fiber ring network | |
| CN108270483A (en) | It is a kind of can distal end power down alarm optical transmitter and receiver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170315 |
|
| WD01 | Invention patent application deemed withdrawn after publication |