CN102693618B - Electricity quantity remote collecting device of agricultural distribution transformer - Google Patents
Electricity quantity remote collecting device of agricultural distribution transformer Download PDFInfo
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- CN102693618B CN102693618B CN201210178134.3A CN201210178134A CN102693618B CN 102693618 B CN102693618 B CN 102693618B CN 201210178134 A CN201210178134 A CN 201210178134A CN 102693618 B CN102693618 B CN 102693618B
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Abstract
The invention discloses electricity quantity remote collecting device of an agricultural distribution transformer, which includes one or multiple three-phase electric energy meters with at least a remote communication function, an embedded module at least used for storing system configuration information files, providing a message command list matched with the corresponding operation to a user, communicating with one or more three-phase electric energy meters according to the DL/T2007 specification of China Power Ministry so as to read the electricity consumption of the corresponding users, and developing and debugging through a PC, a GSM communication module at least used for realizing remote communication, and a power module at least used for supplying power to electric equipment, wherein the embedded module, the one or multiple three-phase electric energy meters, the GSM communication module and the power module are connected with the embedded module through corresponding communication interfaces. The electricity quantity remote collecting device provided by the invention has the advantages of small manual labor amount, high working efficiency, high working reliability and high economic benefits.
Description
Technical field
The present invention relates to agricultural distribution technique field, particularly, relate to a kind of electric weight remote copying device of distribution transformer.
Background technology
At present, distribution transformer is the requisite power equipment of agricultural production.Along with improving constantly of rural area each side its construction level, the especially spread of drip irrigation technique, increasing substation transformer is mounted and comes into operation.
In current vast agricultural district, substation transformer One's name is legion, the feature that geographic position disperses, power consumption is large progressively form.But incompatible with it, rural power department still adopts manual type to copy and accept substation transformer power consumption, the meter reading method falling behind makes the management of power use be absorbed in efficiency bottle neck.
In agricultural production season, power management staff drives for spacious day, trudge that it is customary already to copy and accept the phenomenon of electric weight.Manual metering mode not only has a strong impact on work efficiency, increases manpower and materials expense, and under the restriction of distance factor, user's power stealing behavior is supervised to weary art.The reply work of checking meter of rural power department has been awkward, in the face of the power loss that power stealing brings more feels helpless.
Distribution transformer installs electric weight remote copying instrument additional if, can be by mobile phone short messages copies and accepts transformer power consumption whenever and wherever possible time; And under the continuous monitoring of electricity consumption data, the stealth of having no way of that power stealing behavior becomes; Which can improve the work efficiency of rural power department undoubtedly, and produces long-range economy return.
Realizing in process of the present invention, inventor finds at least to exist in prior art that hand labor amount is large, inefficiency, functional reliability low with the defect such as deficiency in economic performance.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of electric weight remote copying device of distribution transformer, to realize the advantage that hand labor amount is little, work efficiency is high, functional reliability is high and good in economic efficiency.
For achieving the above object, the technical solution used in the present invention is: a kind of electric weight remote copying device of distribution transformer, comprise one or more three-phase electric energy meters at least with telecommunications functions, at least for storage system configuration message file, to user, provide the note matching with corresponding operating command list, follow the DL/T2007 of China Power portion stipulations and thereby one or more three-phase electric energy meter communicates the power consumption that reads relative users, and by PC, develop the flush bonding module of debugging, at least for realizing the gsm communication module of telecommunication, and the power module that is at least used to each consumer to power, wherein:
Described one or more three-phase electric energy meter, gsm communication module and power module, be connected with flush bonding module by corresponding communication interface respectively.
Further, described power module, comprise the power panel for receiving the input of 220V alternating current, for by 220V alternating current carry out rectifying conversion processing, output be used to required consumer that galvanic rectifying conversion submodule is provided, and, for the rechargeable battery of powering when inputting without 220V alternating current;
Described power panel, is connected with rectifying conversion submodule and rechargeable battery respectively; Described rectifying conversion submodule and rechargeable battery, be connected with each consumer respectively; Rechargeable battery charges by power panel when having 220V alternating current, when without 220V alternating current, by the external electrical storage device that at least comprises solar panel and/or accumulator, charges.
Further, described rechargeable battery, at least comprises 9.6V nickel-hydrogen chargeable cell; Described rectifying conversion submodule, at least comprises for the galvanic 5V voltage stabilizing of 5V chip is provided.
Further, described flush bonding module, comprises CPU, and the nonvolatile memory being connected with described CPU respectively and multiple digital quantity input/output end ports of comprising a RS232 serial ports, the 2nd RS232 serial ports, RS485 serial ports, wherein:
Described RS485 serial ports, is connected with one or more three-phase electric energy meters; The one RS232 serial ports, is connected with gsm communication module; The 2nd RS232 serial ports, and is connected for the RS232 serial ports of debugging, download the required application program of flush bonding module in PC; This application program is followed the DL/T2007 of China Power portion stipulations, for communicating and read the power consumption of relative users with one or more three-phase electric energy meters.
Further, described flush bonding module, comprises the regular autoboot submodule for carry out autoboot when predetermined period finishes, and described regular autoboot submodule is connected with CPU.
Further, described flush bonding module, also comprises the integrality winding the line for detection of substation transformer the burglar alarm submodule that sends burglar alarm information when broken string appears in corresponding coiling; Described burglar alarm submodule, is connected with substation transformer coiling and corresponding digital quantity input port respectively.
Further, described flush bonding module, also comprises for detection of whether having three-phase alternating current on power panel and send the fault alarm submodule of transformer fault warning message when three-phase alternating current being lost; Described fault alarm submodule, is connected with power panel and corresponding digital quantity input port respectively.
Further, described flush bonding module, also comprises the relay output sub-module that mates the A.C. contactor arranging with substation transformer for driving; Described relay output sub-module, is connected with power module and respective digital amount output port respectively.
Further, the SCI file of storing in described flush bonding module, at least comprises the config.ini file of preserving system configuration information.
Further, described system configuration information, at least comprises the electric meter address corresponding with each electric supply meter number, the managerial personnel cell-phone number code table corresponding with the managerial personnel of the each electric supply meter of management; Described flush bonding module, when remote meter reading, reads the electric weight of relative users ammeter according to the electric meter address in system configuration information number, and corresponding information is fed back to the corresponding phone number in managerial personnel's cell-phone number code table.
The electric weight remote copying device of the distribution transformer of various embodiments of the present invention, owing to comprising one or more three-phase electric energy meters at least with telecommunications functions, at least for storage system configuration message file, to user, provide the note matching with corresponding operating command list, follow the DL/T2007 of China Power portion stipulations and thereby one or more three-phase electric energy meter communicates the power consumption that reads relative users, and by PC, develop the flush bonding module of debugging, at least for realizing the gsm communication module of telecommunication, and the power module that is at least used to each consumer to power, one or more three-phase electric energy meters, gsm communication module and power module, be connected with flush bonding module by corresponding communication interface respectively, rural power department only needs disposable input in order to the electric weight remote copying device of this distribution transformer to be installed, and only needs to pay short-message fee during actual motion, and short-message fee is relatively cheap, bring financial burden can to rural power department, and adopting mobile phone short messages remote copying transformer power consumption, a people just can manage 100 transformers, adopt sending short messages in groups mode, in a few minutes with regard to the transformer power consumption of readable One's name is legion, this mode can be saved human cost greatly, increases work efficiency, thereby can overcome that hand labor amount in prior art is large, the low defect with deficiency in economic performance of inefficiency, functional reliability, to realize the advantage that hand labor amount is little, work efficiency is high, functional reliability is high and good in economic efficiency.
Other features and advantages of the present invention will be set forth in the following description, and, partly from instructions, become apparent, or understand by implementing the present invention.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 is the principle of work schematic diagram of the electric weight remote copying device of the distribution transformer according to the present invention;
Fig. 2 is the schematic flow sheet of application program in the electric weight remote copying device of the distribution transformer according to the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
According to the embodiment of the present invention, provide a kind of electric weight remote copying device of distribution transformer.As Figure 1-Figure 2, the present embodiment comprises one or more three-phase electric energy meters at least with telecommunications functions, at least for storage system configuration message file, to user, provide the note matching with corresponding operating command list, follow the DL/T2007 of China Power portion stipulations and thereby one or more three-phase electric energy meter communicates the power consumption that reads relative users, and by personal computer (personal computer, be called for short PC) develop the flush bonding module of debugging, at least for realizing the gsm communication module of telecommunication, and the power module that is at least used to each consumer to power, wherein: one or more three-phase electric energy meters, gsm communication module and power module, be connected with flush bonding module by corresponding communication interface respectively.
Here, PC only plays exploitation debugging effect, departs from the electric weight remote copying device of this distribution transformer after exploitation debugging finishes, and does not therefore belong to a part for the electric weight remote copying device of this distribution transformer.During exploitation debugging, PC is by being used programming language (as C++ program) to develop required application program for flush bonding module, and carry out information interaction (debugging and/or download required application program) with flush bonding module, this application program is followed the power consumption that communicates and read relative users between the DL/T2007 of China Power portion stipulations and three-phase electric energy meter.The SCI file of storing in flush bonding module, at least comprises the config.ini file of preserving system configuration information; This system configuration information, at least comprises the electric meter address corresponding with each electric supply meter number, the managerial personnel cell-phone number code table corresponding with the managerial personnel of the each electric supply meter of management.
By above-mentioned flush bonding module, when remote meter reading, according to the electric meter address in system configuration information number, read the electric weight of relative users ammeter, and corresponding information is fed back to the corresponding phone number in managerial personnel's cell-phone number code table.
Wherein, above-mentioned power module, comprise the power panel for receiving the input of 220V alternating current, for by 220V alternating current carry out rectifying conversion processing, output be used to required consumer that galvanic rectifying conversion submodule is provided, and, for the rechargeable battery of powering when inputting without 220V alternating current; Power panel, is connected with rectifying conversion submodule and rechargeable battery respectively; Described rectifying conversion submodule and rechargeable battery, be connected with each consumer respectively; Rechargeable battery charges by power panel when having 220V alternating current, when without 220V alternating current, by the external electrical storage device that at least comprises solar panel and/or accumulator, charges.
Here, rechargeable battery, at least comprises 9.6V nickel-hydrogen chargeable cell; Described rectifying conversion submodule, at least comprises for the galvanic 5V voltage stabilizing of 5V chip is provided.
Above-mentioned flush bonding module, comprises high performance CPU, the nonvolatile memory being connected with CPU respectively, the multiple digital quantity input/output end ports that comprise a RS232 serial ports, the 2nd RS232 serial ports, RS485 serial ports and regular autoboot submodule; RS485 serial ports, is connected with one or more three-phase electric energy meters; The one RS232 serial ports, is connected with gsm communication module; The 2nd RS232 serial ports, and is connected for the RS232 serial ports of debugging, download the required application program of flush bonding module in PC; This application program is followed the DL/T2007 of China Power portion stipulations, for communicating and read the power consumption of relative users with one or more three-phase electric energy meters; Regularly autoboot submodule, for carrying out autoboot when predetermined period finishes.
At the nonvolatile memory of flush bonding module inside, be used for storing config.ini file (this config.ini file is preserved system configuration information), also for carrying the note command list of the electric weight remote copying device of distribution transformer to electricity consumption user.
Above-mentioned flush bonding module, also comprises burglar alarm submodule, fault alarm submodule and relay output sub-module, wherein:
Burglar alarm submodule, is connected with substation transformer coiling and corresponding digital quantity input port respectively, for detection of the integrality of substation transformer coiling and in corresponding coiling, occurs sending while breaking the burglar alarm submodule of burglar alarm information; For example, by this burglar alarm submodule, whether intactly can detect the rich line of transformer, if there is short-term, send burglar alarm note;
Fault alarm submodule, is connected with power panel and corresponding digital quantity input port respectively, for detection of whether having three-phase alternating current on power panel and send transformer fault warning message when three-phase alternating current being lost; For example, by this fault alarm submodule, can detect three-phase alternating current on power panel and whether exist, if lost, send transformer fault alarming short message;
Relay output sub-module, is connected with power module and respective digital amount output port respectively, for driving, mates the A.C. contactor arranging with substation transformer; For example, can be in the external road relay output of the digital output port of flush bonding module, in order to drive A.C. contactor.
In the above-described embodiments, the electric weight remote copying device of distribution transformer need be equipped with the three-phase electric energy meter with telecommunications functions, and this three-phase electric energy meter adopts RS485 communication mode, and communication protocol must meet the DL/T2007 of China Power portion stipulations; Can be according to field demand, configurable one or polylith three-phase electric energy meter.Gsm communication module, can select technical grade gsm communication module, has GPRS, SMS function.Communication mode is RS232, and communication protocol meets standard A T instruction set.Power module can be inputted 220V alternating current, through overcommutation, changes output 5V direct current, is other electricity consumption part power supplies of electric weight remote copying device of distribution transformer; When the external world is during without 220V alternating current, power module can provide the electric weight remote copying device power supply of 9.6V nickel-hydrogen chargeable cell to distribution transformer; When having 220V alternating current, power module can charge to rechargeable battery; Meanwhile, if external solar panel also can charge to rechargeable battery.
Visible, can on PC, use C Plus Plus, be flush bonding module developing application; This application program is followed the DL/T2007 of China Power portion stipulations, can communicate by letter with three-phase electric energy meter, reads electric weight; Meanwhile, this application program is used standard A T instruction and gsm communication module to communicate, to realize transmitting-receiving SMS; For improving the robustness of this application program, can pass through regular autoboot submodule, make this should every 24 hours these flush bonding modules that reset automatically of program.
The electric weight remote copying device of the distribution transformer of above-described embodiment, while being installed in distribution transformer, can pass through mobile phone short messages, copies and accepts transformer power consumption in the time of whenever and wherever possible; The continuous monitoring of electric weight remote copying device that can also be by distribution transformer to electricity consumption data, the stealth of having no way of that power stealing behavior is become; Visible, use the electric weight remote copying device of this distribution transformer, can improve undoubtedly the work efficiency of rural power department, and produce long-range economy return.
The electric weight remote copying device of the distribution transformer of above-described embodiment, application program used, adopts the exploitation of ansi standard C Plus Plus; Whether the continuous detection of program has note to arrive, if letter mobile phone is arranged in the phone number list of configuration file, judges short message content, according to short message content, starts corresponding operating.The schematic flow sheet of this application program is referring to Fig. 2.
In Fig. 2, the flow process of above-mentioned application program comprises:
Step 100: after initialization relevant variable, execution step 101;
Step 101: read cinfig.ini file, execution step 102;
Step 102: judged whether note, if so, performed step 103; Otherwise, execution step 104;
Step 103: carry out corresponding actions (referring to the note command list shown in table 1) according to short message content, go to step 104;
Step 104: judge that whether transformer coiling disconnects, if so, performs step 105; Otherwise, execution step 106;
Step 105: send warning message, go to step 106;
Step 106: judge whether power panel has 220V to exchange and input, and if so, performs step 107; Otherwise, execution step 108;
Step 107: send break prompt note, go to step 108;
Step 108: judge whether to move continuously 24h, if so, perform step 109; Otherwise, return to step 102;
Step 109: the system that restarts the electric weight remote copying device place of distribution transformer.
For example, in the above-described embodiments, include the config.ini file of system configuration information, be specifically as follows:
[CONFIG]
PhoneNumber1=xxxxxxxxxx
PhoneNumber2=xxxxxxxxxx
PhoneNumber3=xxxxxxxxxx
PhoneNumber4=xxxxxxxxxx
PhoneNumber5=xxxxxxxxxx
meter1=xxxxxxxxxx
meter2=xxxxxxxxxx
meter3=xxxxxxxxxx
Wherein PhoneNumberX is the subscriber phone number with administration authority; MeterX is the table address of originally copying and accepting the incidental three-phase electric energy meter of instrument.
In the above-described embodiments, the note command list of the electric weight remote copying device of distribution transformer is referring to table 1 below.
table 1: note command list
The electric weight remote copying device of the distribution transformer of the various embodiments described above, is connected with three-phase electric energy meter flush bonding module by RS485 bus, this three-phase electric energy meter has telecommunications functions, and communication protocol meets the DL/T2007 of China Power portion stipulations; If scene needs polylith three-phase electric energy meter, can they be connected with flush bonding module together by RS485 bus, then flush bonding module is connected by RS232 serial ports with gsm communication module; Flush bonding module has function of receiving and sending short message under the control of application program, and can carry out corresponding operating according to short message content.
Can use C Plus Plus to write application program for flush bonding module, this flush bonding module be there is and read three-phase electric energy meter electric weight, administration configuration file, receive and dispatch the function of note; Wherein, flush bonding module is used the communication protocol that meets Electricity Department stipulations to communicate by letter with ammeter, reading electric meters electric weight; Use AT instruction and gsm communication module mutual, utilize GSM public network and rural power department to carry out short message communication.In flush bonding module, there is configuration file, wherein comprises electric meter address number, managerial personnel's cell-phone number code table; Flush bonding module can be according to electric meter address reading electric meters electric weight, and only the phone number in configuration file is given a response.
The electric weight remote copying device that rural power department copies and accepts in real time power consumption, online modification configuration file, restarts distribution transformer by sending note order; Flush bonding module receives after note, judges whether letter phone number is present in the cell-phone number code table in configuration file; If existed, according to command context, take corresponding operating, the result of flush bonding module operation also sends to rural power department by mobile phone short messages.
The electric weight remote copying device that uses the distribution transformer of above-described embodiment, at least can reach following beneficial effect:
(1) existing manual metering mode not only can be brought the economic losses such as larger human cost, transport cost, and has had a strong impact on the work efficiency of rural power department;
And use the electric weight remote copying device of this distribution transformer, and adopting mobile phone short messages remote copying transformer power consumption, a people just can manage 100 transformers; Adopt sending short messages in groups mode, in a few minutes with regard to the transformer power consumption of readable One's name is legion; This mode can be saved human cost greatly, increases work efficiency;
(2) rural power department only needs disposable input in order to remote copying instrument to be installed, and only needs to pay short-message fee during actual motion; And short-message fee is relatively cheap, bring financial burden can to rural power department;
(3) due to geographic restriction, rural power department can not often be used site inspection to transformer, is therefore difficult to discover user's private power stealing behaviors such as road of relocating;
And the electric weight remote copying device of use distribution transformer can obtain the real-time power consumption of transformer at any time, can judge that accordingly whether user is in power stealing; Then can take specific aim action, thereby reduce power loss;
(4) the electric weight remote copying device of distribution transformer also has anti-theft alarm function, can reduce the input of transformer user aspect antitheft.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. the electric weight remote copying device of a distribution transformer, it is characterized in that, comprise one or more three-phase electric energy meters at least with telecommunications functions, at least for storage system configuration message file, to user, provide the note matching with corresponding operating command list, thereby follow the DL/T of China Power portion 2007 stipulations and one or more three-phase electric energy meter and communicate the power consumption that reads relative users, and by PC, develop the flush bonding module of debugging, at least for realizing the gsm communication module of telecommunication, and the power module that is at least used to each consumer to power, wherein:
Described one or more three-phase electric energy meter, gsm communication module and power module, be connected with flush bonding module by corresponding communication interface respectively;
Described power module, comprise the power panel for receiving the input of 220V alternating current, for by 220V alternating current carry out rectifying conversion processing, output be used to required consumer that galvanic rectifying conversion submodule is provided, and, for the rechargeable battery of powering when inputting without 220V alternating current;
Described power panel, is connected with rectifying conversion submodule and rechargeable battery respectively; Described rectifying conversion submodule and rechargeable battery, be connected with each consumer respectively; Rechargeable battery charges by power panel when having 220V alternating current, when without 220V alternating current, by the external electrical storage device that at least comprises solar panel and/or accumulator, charges;
Described flush bonding module, comprises the integrality winding the line for detection of substation transformer the burglar alarm submodule that sends burglar alarm information when broken string appears in corresponding coiling; Described burglar alarm submodule, is connected with substation transformer coiling and corresponding digital quantity input port respectively.
2. the electric weight remote copying device of distribution transformer according to claim 1, is characterized in that described rechargeable battery at least comprises 9.6V nickel-hydrogen chargeable cell; Described rectifying conversion submodule, at least comprises for the galvanic 5V voltage stabilizing of 5V chip is provided.
3. the electric weight remote copying device of distribution transformer according to claim 1, it is characterized in that, described flush bonding module, comprise CPU, and the nonvolatile memory being connected with described CPU respectively and multiple digital quantity input/output end ports of comprising a RS232 serial ports, the 2nd RS232 serial ports, RS485 serial ports, wherein:
Described RS485 serial ports, is connected with one or more three-phase electric energy meters; The one RS232 serial ports, is connected with gsm communication module; The 2nd RS232 serial ports, and is connected for the RS232 serial ports of debugging, download the required application program of flush bonding module in PC; This application program is followed the DL/T of China Power portion 2007 stipulations, for communicating and read the power consumption of relative users with one or more three-phase electric energy meters.
4. the electric weight remote copying device of distribution transformer according to claim 3, it is characterized in that, described flush bonding module, also comprises the regular autoboot submodule for carry out autoboot when predetermined period finishes, and described regular autoboot submodule is connected with CPU.
5. according to the electric weight remote copying device of the distribution transformer described in any one in claim 1-3, it is characterized in that, described flush bonding module, also comprises for detection of whether having three-phase alternating current on power panel and send the fault alarm submodule of transformer fault warning message when three-phase alternating current being lost; Described fault alarm submodule, is connected with power panel and corresponding digital quantity input port respectively.
6. according to the electric weight remote copying device of the distribution transformer described in any one in claim 1-3, it is characterized in that described flush bonding module also comprises the relay output sub-module that mates the A.C. contactor arranging with substation transformer for driving; Described relay output sub-module, is connected with power module and respective digital amount output port respectively.
7. the electric weight remote copying device of distribution transformer according to claim 1, is characterized in that, the SCI file of storing in described flush bonding module at least comprises the config.ini file of preserving system configuration information.
8. the electric weight remote copying device of distribution transformer according to claim 1, it is characterized in that, described system configuration information, at least comprises the electric meter address corresponding with each electric supply meter number, the managerial personnel cell-phone number code table corresponding with the managerial personnel of the each electric supply meter of management; Described flush bonding module, when remote meter reading, reads the electric weight of relative users ammeter according to the electric meter address in system configuration information number, and corresponding information is fed back to the corresponding phone number in managerial personnel's cell-phone number code table.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210178134.3A CN102693618B (en) | 2012-05-31 | 2012-05-31 | Electricity quantity remote collecting device of agricultural distribution transformer |
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| CN201210178134.3A CN102693618B (en) | 2012-05-31 | 2012-05-31 | Electricity quantity remote collecting device of agricultural distribution transformer |
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| CN102693618B true CN102693618B (en) | 2014-05-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103728490A (en) * | 2012-10-16 | 2014-04-16 | 苏州工业园区新宏博通讯科技有限公司 | Electric energy meter system |
| CN103852632A (en) * | 2012-12-06 | 2014-06-11 | 苏州工业园区新宏博通讯科技有限公司 | Metering collector with positioning function |
| CN108537529A (en) * | 2018-03-26 | 2018-09-14 | 珠海格力电器股份有限公司 | Household charging method, device and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267870A (en) * | 1998-03-12 | 2000-09-27 | 关宏 | Intelligent network water, electric and gas meter charging and managing system |
| CN2752868Y (en) * | 2004-08-10 | 2006-01-18 | 上海科泰信息技术有限公司 | Large use short message recording system |
| CN201780672U (en) * | 2010-07-27 | 2011-03-30 | 安徽中兴继远信息技术有限公司 | Centralized meter reading terminal device |
| CN202083724U (en) * | 2011-05-30 | 2011-12-21 | 济南市历城区供电公司 | Intelligent meter box |
| CN202615586U (en) * | 2012-05-31 | 2012-12-19 | 张更新 | Electric quantity remote meter reading device of agricultural distribution transformer |
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2012
- 2012-05-31 CN CN201210178134.3A patent/CN102693618B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267870A (en) * | 1998-03-12 | 2000-09-27 | 关宏 | Intelligent network water, electric and gas meter charging and managing system |
| CN2752868Y (en) * | 2004-08-10 | 2006-01-18 | 上海科泰信息技术有限公司 | Large use short message recording system |
| CN201780672U (en) * | 2010-07-27 | 2011-03-30 | 安徽中兴继远信息技术有限公司 | Centralized meter reading terminal device |
| CN202083724U (en) * | 2011-05-30 | 2011-12-21 | 济南市历城区供电公司 | Intelligent meter box |
| CN202615586U (en) * | 2012-05-31 | 2012-12-19 | 张更新 | Electric quantity remote meter reading device of agricultural distribution transformer |
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