CN105185073A - Power utilization information collection system and method based on short distance wireless communication - Google Patents
Power utilization information collection system and method based on short distance wireless communication Download PDFInfo
- Publication number
- CN105185073A CN105185073A CN201510464668.6A CN201510464668A CN105185073A CN 105185073 A CN105185073 A CN 105185073A CN 201510464668 A CN201510464668 A CN 201510464668A CN 105185073 A CN105185073 A CN 105185073A
- Authority
- CN
- China
- Prior art keywords
- electric energy
- energy meter
- intelligent electric
- concentrator
- power information
- 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.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000003993 interaction Effects 0.000 claims description 18
- 230000000737 periodic effect Effects 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229940123361 Quorum sensing inhibitor Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a power utilization information collection system and method based on short distance wireless communication. The power utilization information collection system comprises an intelligent electric energy meter, a collector and a concentrator. The collector collects power utilization information from the intelligent electric energy meter and transmits the power utilization information to the concentrator. The provided power utilization information collection system is free from connection with a RS485 communication line and is easy to installed and debug and only a short distance wireless communication module is installed on the collector. A plugging mode is employed, the mode is simple and wrong connection cannot happen. The reliability is high, the average power consumption is low, maintenance is easy, the cost is low, the RS485 construction wiring cost is lowered, labor cost and whole cost can be lowered more, and the power utilization information collection system has advantages of high transmission rate, short collection cycle, high reliability, low engineering implementation maintenance difficulty and the like.
Description
Technical field
The invention belongs to power system information acquisition technique field, be specifically related to a kind of power information acquisition system based on short-distance wireless communication and method.
Background technology
Power information collection is an important service in electric system, and for realizing electricity consumption Energy Efficiency Analysis, rational utilization of electricity, electricity charge incentive policy provide basic data.At present, this business realizes mainly through power line communication technology and wireless public network (GPRS, CDMA etc.) communication mode.
Power line communication technology comprises arrowband power line communication and broadband power line communication two kinds.Arrowband power line communication technology refers to the voltage power-line carrier communication technology of frequency of carrier signal scope≤500kHz, there is the features such as bandwidth is low, transmitted in both directions, adaptability are good, anti-interference is weak, be applicable to that electric energy meter installation site comparatively disperses, difficult wiring, change comparatively little Tai district by electric loading.Power-line broadband communication technology refers to the voltage power-line carrier communication technology of frequency of carrier signal scope >=1MHz, has bandwidth high, and data capacity is large, the feature such as transmitted in both directions, strong interference immunity, is applicable to user's electric energy meter and installs the platform district comparatively concentrated.
Wireless public network communication mode based on GPRS is applied also comparatively general in power information capturing service, relies on wireless communication module the power information of collection to be uploaded by wireless public network.
In power information capturing service, adopt separately above conventional communication mode to have following shortcoming:
As adopted power line communication technology separately, the usual cloth of acquisition terminal is placed in table case, is connected and communicates between electric energy meter with acquisition terminal by RS-485 cable, because in table case, wiring space is limited, causes difficult wiring and in a jumble, cable connector easily loosens;
The real-time of the data such as public network communications setting speech data has right of priority, GPRS transmission cannot be guaranteed, and data upload bandwidth is also very limited.In addition, due to quorum sensing inhibitor factor, the installation site of communication module or terminal is subject to the restriction of high degree.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of power information acquisition system based on short-distance wireless communication and method, by intelligent electric energy meter, collector and concentrator, realize the collection of power information, there is the advantages such as transfer rate is high, collection period is short, reliability is high, engineering construction maintenance difficulties is little.
In order to realize foregoing invention object, the present invention takes following technical scheme:
The invention provides a kind of power information acquisition system based on short-distance wireless communication, described power information acquisition system comprises intelligent electric energy meter, collector and concentrator; Described collector gathers power information from intelligent electric energy meter, and power information is transferred to concentrator.
Intelligent electric energy meter comprises the first short-range wireless communication module, and described intelligent electric energy meter is communicated with collector by the first short-range wireless communication module.
Collector comprises the second short-range wireless communication module, and described collector gathers power information by the second short-range wireless communication module from intelligent electric energy meter, and by broadband power carrier wave, power information is transferred to concentrator.
Concentrator comprises power line communication coupling module, and described power line communication coupling module receives power information by broadband power carrier wave, by power information after protocol conversion and modulation conversion, then is coupled on distribution network table case lambda line.
Power information carries out gathering, changing and store by concentrator, afterwards power information is uploaded to collection main website.
Communication pattern between concentrator and intelligent electric energy meter comprises intelligent electric energy meter and irregularly reports one-way communication mode, intelligent electric energy meter irregularly to report two-way communication mode, intelligent electric energy meter periodically to report one-way communication mode, intelligent electric energy meter periodically to report two-way communication mode and concentrator periodically collection communication pattern;
1) under intelligent electric energy meter irregularly reports one-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
2) under intelligent electric energy meter irregularly reports two-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
3) under intelligent electric energy meter periodically reports one-way communication mode, intelligent electric energy meter by collector periodic wakeup concentrator, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
4) under intelligent electric energy meter periodically reports two-way communication mode, intelligent electric energy meter is by collector periodic wakeup concentrator, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
5), under concentrator periodicity collection communication pattern, concentrator, by collector periodic wakeup intelligent electric energy meter, after gathering the power information of intelligent electric energy meter, carries out information interaction with intelligent electric energy meter.
The present invention also provides a kind of power information acquisition method based on short-distance wireless communication, and described power information acquisition method is realized by power information acquisition system, and described power information acquisition method comprises the following steps:
Step 1: collector gathers power information from intelligent electric energy meter;
Step 2: power information is transferred to concentrator by collector.
Described power information acquisition system comprises intelligent electric energy meter, collector and concentrator; Described collector gathers power information by short-distance wireless communication from intelligent electric energy meter, and by broadband power line carrier, power information is transferred to concentrator.
Described intelligent electric energy meter comprises the first short-range wireless communication module, and described intelligent electric energy meter is communicated with collector by the first short-range wireless communication module;
Described collector comprises the second short-range wireless communication module, and described collector gathers power information by the second short-range wireless communication module from intelligent electric energy meter, and by broadband power carrier wave, power information is transferred to concentrator;
Described concentrator comprises power line communication coupling module, and described power line communication coupling module receives power information by broadband power carrier wave, by power information after protocol conversion and modulation conversion, then is coupled on distribution network table case lambda line.
Power information carries out gathering, changing and store by concentrator simultaneously, afterwards power information is uploaded to collection main website.
Communication pattern between concentrator and intelligent electric energy meter comprises intelligent electric energy meter and irregularly reports one-way communication mode, intelligent electric energy meter irregularly to report two-way communication mode, intelligent electric energy meter periodically to report one-way communication mode, intelligent electric energy meter periodically to report two-way communication mode and concentrator periodically collection communication pattern;
1) under intelligent electric energy meter irregularly reports one-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
2) under intelligent electric energy meter irregularly reports two-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
3) under intelligent electric energy meter periodically reports one-way communication mode, intelligent electric energy meter by collector periodic wakeup concentrator, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
4) under intelligent electric energy meter periodically reports two-way communication mode, intelligent electric energy meter is by collector periodic wakeup concentrator, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
5), under concentrator periodicity collection communication pattern, concentrator, by collector periodic wakeup intelligent electric energy meter, after gathering the power information of intelligent electric energy meter, carries out information interaction with intelligent electric energy meter.
Compared with prior art, beneficial effect of the present invention is:
Compared with traditional RS485 power information acquisition system, power information acquisition system based on short-distance wireless communication provided by the invention is exempted to connect RS485 order wire, be easy to Installation and Debugging: only on collector, short-range wireless communication module need be installed, adopt pluggable mode, very simple, also can not wrong; Reliability is high, and average power consumption is low, easy care, and cost is low, and decrease the cost of RS485 construction wiring, consider cost of labor, holistic cost can reduce more; And there is the advantages such as transfer rate is high, collection period is short, reliability is high, engineering construction maintenance difficulties is little.
Accompanying drawing explanation
Fig. 1 is the power information acquisition system structural drawing based on short-distance wireless communication in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The invention provides a kind of power information acquisition system based on short-distance wireless communication, as described in (as Fig. 1), power information acquisition system comprises intelligent electric energy meter, collector and concentrator; Described collector gathers power information from intelligent electric energy meter, and power information is transferred to concentrator.
Intelligent electric energy meter comprises the first short-range wireless communication module, and described intelligent electric energy meter is communicated with collector by the first short-range wireless communication module.
Collector comprises the second short-range wireless communication module, and described collector gathers power information by the second short-range wireless communication module from intelligent electric energy meter, and by broadband power carrier wave, power information is transferred to concentrator.
Concentrator comprises power line communication coupling module, and described power line communication coupling module receives power information by broadband power carrier wave, by power information after protocol conversion and modulation conversion, then is coupled on distribution network table case lambda line.
Power information carries out gathering, changing and store by concentrator, afterwards power information is uploaded to collection main website.
Communication pattern between concentrator and intelligent electric energy meter comprises intelligent electric energy meter and irregularly reports one-way communication mode, intelligent electric energy meter irregularly to report two-way communication mode, intelligent electric energy meter periodically to report one-way communication mode, intelligent electric energy meter periodically to report two-way communication mode and concentrator periodically collection communication pattern;
1) under intelligent electric energy meter irregularly reports one-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
2) under intelligent electric energy meter irregularly reports two-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
3) under intelligent electric energy meter periodically reports one-way communication mode, intelligent electric energy meter by collector periodic wakeup concentrator, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
4) under intelligent electric energy meter periodically reports two-way communication mode, intelligent electric energy meter is by collector periodic wakeup concentrator, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
5), under concentrator periodicity collection communication pattern, concentrator, by collector periodic wakeup intelligent electric energy meter, after gathering the power information of intelligent electric energy meter, carries out information interaction with intelligent electric energy meter.
The present invention also provides a kind of power information acquisition method based on short-distance wireless communication, and described power information acquisition method is realized by power information acquisition system, and described power information acquisition method comprises the following steps:
Step 1: collector gathers power information from intelligent electric energy meter;
Step 2: power information is transferred to concentrator by collector.
Described power information acquisition system comprises intelligent electric energy meter, collector and concentrator; Described collector gathers power information by short-distance wireless communication from intelligent electric energy meter, and by broadband power line carrier, power information is transferred to concentrator.
Described intelligent electric energy meter comprises the first short-range wireless communication module, and described intelligent electric energy meter is communicated with collector by the first short-range wireless communication module;
Described collector comprises the second short-range wireless communication module, and described collector gathers power information by the second short-range wireless communication module from intelligent electric energy meter, and by broadband power carrier wave, power information is transferred to concentrator;
Described concentrator comprises power line communication coupling module, and described power line communication coupling module receives power information by broadband power carrier wave, by power information after protocol conversion and modulation conversion, then is coupled on distribution network table case lambda line.
Power information carries out gathering, changing and store by concentrator simultaneously, afterwards power information is uploaded to collection main website.
Communication pattern between concentrator and intelligent electric energy meter comprises intelligent electric energy meter and irregularly reports one-way communication mode, intelligent electric energy meter irregularly to report two-way communication mode, intelligent electric energy meter periodically to report one-way communication mode, intelligent electric energy meter periodically to report two-way communication mode and concentrator periodically collection communication pattern;
1) under intelligent electric energy meter irregularly reports one-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
2) under intelligent electric energy meter irregularly reports two-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
3) under intelligent electric energy meter periodically reports one-way communication mode, intelligent electric energy meter by collector periodic wakeup concentrator, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
4) under intelligent electric energy meter periodically reports two-way communication mode, intelligent electric energy meter is by collector periodic wakeup concentrator, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
5), under concentrator periodicity collection communication pattern, concentrator, by collector periodic wakeup intelligent electric energy meter, after gathering the power information of intelligent electric energy meter, carries out information interaction with intelligent electric energy meter.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; those of ordinary skill in the field still can modify to the specific embodiment of the present invention with reference to above-described embodiment or equivalent replacement; these do not depart from any amendment of spirit and scope of the invention or equivalent replacement, are all applying within the claims of the present invention awaited the reply.
Claims (11)
1. based on a power information acquisition system for short-distance wireless communication, it is characterized in that: described power information acquisition system comprises intelligent electric energy meter, collector and concentrator; Described collector gathers power information from intelligent electric energy meter, and power information is transferred to concentrator.
2. the power information acquisition system based on short-distance wireless communication according to claim 1, it is characterized in that: described intelligent electric energy meter comprises the first short-range wireless communication module, described intelligent electric energy meter is communicated with collector by the first short-range wireless communication module.
3. the power information acquisition system based on short-distance wireless communication according to claim 1 and 2, it is characterized in that: described collector comprises the second short-range wireless communication module, described collector gathers power information by the second short-range wireless communication module from intelligent electric energy meter, and by broadband power carrier wave, power information is transferred to concentrator.
4. the power information acquisition system based on short-distance wireless communication according to claim 3, it is characterized in that: described concentrator comprises power line communication coupling module, described power line communication coupling module receives power information by broadband power carrier wave, by power information after protocol conversion and modulation conversion, then be coupled on distribution network table case lambda line.
5. the power information acquisition system based on short-distance wireless communication according to claim 4, is characterized in that: power information carries out gathering, changing and store by described concentrator, afterwards power information is uploaded to collection main website.
6. the power information acquisition system based on short-distance wireless communication according to claim 1, is characterized in that: the communication pattern between described concentrator and intelligent electric energy meter comprises intelligent electric energy meter and irregularly reports one-way communication mode, intelligent electric energy meter irregularly to report two-way communication mode, intelligent electric energy meter periodically to report one-way communication mode, intelligent electric energy meter periodically to report two-way communication mode and concentrator periodically collection communication pattern;
1) under intelligent electric energy meter irregularly reports one-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
2) under intelligent electric energy meter irregularly reports two-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
3) under intelligent electric energy meter periodically reports one-way communication mode, intelligent electric energy meter by collector periodic wakeup concentrator, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
4) under intelligent electric energy meter periodically reports two-way communication mode, intelligent electric energy meter is by collector periodic wakeup concentrator, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
5), under concentrator periodicity collection communication pattern, concentrator, by collector periodic wakeup intelligent electric energy meter, after gathering the power information of intelligent electric energy meter, carries out information interaction with intelligent electric energy meter.
7. based on a power information acquisition method for short-distance wireless communication, it is characterized in that: described power information acquisition method is realized by power information acquisition system, described power information acquisition method comprises the following steps:
Step 1: collector gathers power information from intelligent electric energy meter;
Step 2: power information is transferred to concentrator by collector.
8. the power information acquisition method based on short-distance wireless communication according to claim 7, is characterized in that: described power information acquisition system comprises intelligent electric energy meter, collector and concentrator; Described collector gathers power information by short-distance wireless communication from intelligent electric energy meter, and by broadband power line carrier, power information is transferred to concentrator.
9. the power information acquisition method based on short-distance wireless communication according to claim 7 or 8, it is characterized in that: described intelligent electric energy meter comprises the first short-range wireless communication module, described intelligent electric energy meter is communicated with collector by the first short-range wireless communication module;
Described collector comprises the second short-range wireless communication module, and described collector gathers power information by the second short-range wireless communication module from intelligent electric energy meter, and by broadband power carrier wave, power information is transferred to concentrator;
Described concentrator comprises power line communication coupling module, and described power line communication coupling module receives power information by broadband power carrier wave, by power information after protocol conversion and modulation conversion, then is coupled on distribution network table case lambda line.
10. the power information acquisition method based on short-distance wireless communication according to claim 9, is characterized in that: power information carries out gathering, changing and store by described concentrator simultaneously, afterwards power information is uploaded to collection main website.
The 11. power information acquisition methods based on short-distance wireless communication according to claim 9, is characterized in that: the communication pattern between described concentrator and intelligent electric energy meter comprises intelligent electric energy meter and irregularly reports one-way communication mode, intelligent electric energy meter irregularly to report two-way communication mode, intelligent electric energy meter periodically to report one-way communication mode, intelligent electric energy meter periodically to report two-way communication mode and concentrator periodically collection communication pattern;
1) under intelligent electric energy meter irregularly reports one-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
2) under intelligent electric energy meter irregularly reports two-way communication mode, intelligent electric energy meter irregularly wakes concentrator up by collector, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
3) under intelligent electric energy meter periodically reports one-way communication mode, intelligent electric energy meter by collector periodic wakeup concentrator, and reports power information to concentrator, and concentrator is in dormant state after receiving the power information that intelligent electric energy meter reports;
4) under intelligent electric energy meter periodically reports two-way communication mode, intelligent electric energy meter is by collector periodic wakeup concentrator, and reporting power information to concentrator, concentrator carries out information interaction with intelligent electric energy meter after receiving the power information that intelligent electric energy meter reports;
5), under concentrator periodicity collection communication pattern, concentrator, by collector periodic wakeup intelligent electric energy meter, after gathering the power information of intelligent electric energy meter, carries out information interaction with intelligent electric energy meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464668.6A CN105185073B (en) | 2015-07-31 | 2015-07-31 | A kind of power information acquisition system and method based on short-distance wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464668.6A CN105185073B (en) | 2015-07-31 | 2015-07-31 | A kind of power information acquisition system and method based on short-distance wireless communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105185073A true CN105185073A (en) | 2015-12-23 |
| CN105185073B CN105185073B (en) | 2018-08-28 |
Family
ID=54907116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510464668.6A Expired - Fee Related CN105185073B (en) | 2015-07-31 | 2015-07-31 | A kind of power information acquisition system and method based on short-distance wireless communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105185073B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070165555A1 (en) * | 2004-02-29 | 2007-07-19 | Netac Technology Co., Ltd. | Wireless control systems for digital household appliance |
| CN101055664A (en) * | 2007-04-23 | 2007-10-17 | 孙克怡 | Mixed remote meter writing method and system |
| CN202677607U (en) * | 2012-07-16 | 2013-01-16 | 珠海辉煌电力科技有限公司 | Power line high-speed broadband carrier wave meter-reading system |
| CN202838644U (en) * | 2012-09-29 | 2013-03-27 | 浙江创维自动化工程有限公司 | Intensive long-distance transmission device of power utilization data |
| CN204129936U (en) * | 2014-09-04 | 2015-01-28 | 烟台腾联信息科技有限公司 | Long-range gas meter reading system |
-
2015
- 2015-07-31 CN CN201510464668.6A patent/CN105185073B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070165555A1 (en) * | 2004-02-29 | 2007-07-19 | Netac Technology Co., Ltd. | Wireless control systems for digital household appliance |
| CN101055664A (en) * | 2007-04-23 | 2007-10-17 | 孙克怡 | Mixed remote meter writing method and system |
| CN202677607U (en) * | 2012-07-16 | 2013-01-16 | 珠海辉煌电力科技有限公司 | Power line high-speed broadband carrier wave meter-reading system |
| CN202838644U (en) * | 2012-09-29 | 2013-03-27 | 浙江创维自动化工程有限公司 | Intensive long-distance transmission device of power utilization data |
| CN204129936U (en) * | 2014-09-04 | 2015-01-28 | 烟台腾联信息科技有限公司 | Long-range gas meter reading system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105185073B (en) | 2018-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201716844U (en) | Remote electric power metering system | |
| CN107332684A (en) | A kind of topological identifying system of low-voltage power distribution station area electrical network and method | |
| CN105719471A (en) | Concentrator GPRS (general packet radio service) signal extender | |
| CN208903415U (en) | A kind of 230MHz LoRa collector meeting southern network mark standard | |
| CN105070009A (en) | Public utility meter based data acquisition system and method | |
| CN105119377A (en) | Super-ZigBee Internet of Things-based power grid intelligent monitoring system and method | |
| CN110176948A (en) | LoRa+PLC bimodulus built-in module and the communication structure and the means of communication for using the module | |
| CN107293105A (en) | Turn the remote data transmission system of GPRS module based on carrier wave | |
| CN206712961U (en) | Based on the power information acquisition system wirelessly merged with power line carrier communication | |
| CN104504876A (en) | Split-type power utility information collector | |
| CN102868437A (en) | Wireless data transmission system of load control terminal for communication signal blind area | |
| CN204833699U (en) | Low pressure intelligence table power consumption information acquisition parallel communication system based on lonWorks technique | |
| CN204496687U (en) | A kind of mixed type concentrated collection meter reading terminal | |
| CN205451469U (en) | Concentrator GPRS signal extender | |
| CN203368506U (en) | Intelligent gateway device based on power line carrier communication | |
| CN201270086Y (en) | Automatic meter reading system | |
| CN109887258A (en) | A kind of power information acquisition local communication system based on bandwidth carrier | |
| CN202771589U (en) | Telecommunication device in electricity acquisition network | |
| CN202549046U (en) | Meter reading acquirer | |
| CN205070602U (en) | Electric wire netting intelligent monitoring system based on networking of super -ZigBee thing | |
| CN210072898U (en) | Remote meter reading acquisition device based on NB-IoT and power supply system thereof | |
| CN203827346U (en) | GPRS signal extender used for power utilization information acquisition | |
| CN201985858U (en) | Data transmission module for power collector | |
| CN202077070U (en) | Intelligent management system based on radio data transceiver communication | |
| CN105185073A (en) | Power utilization information collection system and method based on short distance wireless communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20210731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |