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
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 |
|---|---|---|
| CN102866699B (en) | Communication and control system orienting to intelligent power utilization | |
| CN201716844U (en) | Remote electric power metering system | |
| CN102298834B (en) | System and method for acquiring power utilization information | |
| CN208903415U (en) | A kind of 230MHz LoRa collector meeting southern network mark standard | |
| CN107682756A (en) | Distribution terminal communication system based on LoRa | |
| CN105070009A (en) | Public utility meter based data acquisition system and method | |
| CN204833699U (en) | Low pressure intelligence table power consumption information acquisition parallel communication system based on lonWorks technique | |
| CN102868437A (en) | Wireless data transmission system of load control terminal for communication signal blind area | |
| CN104504876A (en) | Split-type power utility information collector | |
| CN207491146U (en) | A kind of distribution terminal communication system | |
| CN107240242A (en) | A kind of wireless kilowatt meter reading-out system and method based on micropower wireless network | |
| CN204496687U (en) | A kind of mixed type concentrated collection meter reading terminal | |
| CN109887258A (en) | A kind of power information acquisition local communication system based on bandwidth carrier | |
| CN203368506U (en) | Intelligent gateway device based on power line carrier communication | |
| CN203606940U (en) | Electricity consumption information gathering system based on hybrid networking | |
| CN201270086Y (en) | Automatic meter reading system | |
| CN206021537U (en) | The intelligent electric meter parallel wireless kilowatt meter reading-out system of multi-frequency | |
| CN202771589U (en) | Telecommunication device in electricity acquisition network | |
| CN205070602U (en) | Electric wire netting intelligent monitoring system based on networking of super -ZigBee thing | |
| CN202549046U (en) | Meter reading acquirer | |
| CN201985858U (en) | Data transmission module for power collector | |
| CN105185073A (en) | Power utilization information collection system and method based on short distance wireless communication | |
| CN205104017U (en) | System of checking meter is concentrated to intelligence | |
| CN201322763Y (en) | Remote meter reading device | |
| CN205017270U (en) | Monitoring system for photovoltaic power plant operation conditions |
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 |