CN202133715U - Distributed electric energy metering system based on sensing net - Google Patents
Distributed electric energy metering system based on sensing net Download PDFInfo
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- CN202133715U CN202133715U CN201120167496U CN201120167496U CN202133715U CN 202133715 U CN202133715 U CN 202133715U CN 201120167496 U CN201120167496 U CN 201120167496U CN 201120167496 U CN201120167496 U CN 201120167496U CN 202133715 U CN202133715 U CN 202133715U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The utility model particularly relates to a distributed electric energy metering system based on a sensing net, used for energy consumption statistical metering of internal electric appliances of electricity-used users. The purpose of saving energy is achieved in modes of distribution metering and intelligent control. The system comprises a total metering module, a distribution metering module and a gateway; the total metering module measures total electric energy value, measures voltage and total current on an indoor low pressure power line, and transmits the measured electricity-used data to the distribution metering module through a wireless sensor network and forwards the electricity-used data to an electricity-used server through the gateway; the distribution metering module measures currents of internal electric appliances of the electricity users, measures electric energy values of the electric appliances according to the voltage published by the total metering module, and transmits the currents and the electric energy values to the total metering module through the wireless sensor network and forwards the data to the electricity-used server through the gateway; and remote intelligent control and management of the electric appliances of the electricity users are realized by the electricity-used server according to the received the electricity-used data.
Description
Technical field
The present invention relates to electricity consumption user's electric energy metrical technical field, be specifically related to a kind of distribution type electric energy metering system based on the sensing net.
Background technology
Got into since 21 century, energy issue of world becomes increasingly conspicuous, and " energy-saving and emission-reduction, low-carbon economy " come into people's usual life gradually.In recent years, along with the Internet of Things construction constantly advances, and the development of intelligent dwelling, for electricity consumption user's power mode and electric energy gauging method proposed the electric energy metered system model based on smart jack as shown in Figure 1.This model has adopted advanced computer technology, network communications technology, comprehensive wiring technology; Electricity consumption, metering and the inner various Intelligentized Information of electricity consumption user system are organically combined, through overall management make electricity consumption user's live and work convenient, safe, effective.
As shown in Figure 1, this electric energy metered system comprises major equipments such as electric energy meter, smart jack and gateway, and wherein electric energy meter is used for the overall energy value of metering user; Smart jack is used to gather the energy value situation of each electrical equipment; Gather the electricity consumption data and the parameter of each electrical equipment; And can pass through WSN (Wireless Sensor Network, wireless sensor network) network, give dsm server these information via gateway forwards; Gateway can connect through WSN network and each smart jack; Each smart jack sends to gateway with its electricity consumption data and parameter, and gateway is transmitted to dsm server for example management of power use department or this electricity consumption user with electricity consumption data processing conversion back through the internet.Based on these electricity consumption data and parameter; Dsm server can be realized long-distance intelligent control and management to each electrical equipment through gateway; And then formulate more effective measures to effectively increase energy savings and reduce material consumption through energy consumption situation to each electrical equipment, be illustrated in the face of possible application scenarios down.Wherein, the L among Fig. 1, N line represent respectively the to register one's residence phase line and the zero line of line of electric force constitute the electricity consumption loop with electrical equipment.
Situation one, the dsm server among Fig. 1 are management of power use department.When the very high and power supply capacity wretched insufficiency of power load; In order to guarantee the stable operation of electrical network; Electricity consumption department can supply power to the inner electrical equipment of electricity consumption user selectively; Break off those nonessential or non-critical electricity consumptions such as guaranteeing basic household electricity, for example guarantee electric consumption on lighting and kitchen electricity consumption, break off the electricity consumption of electrical equipment such as air-conditioning.Along with the propelling that Internet of Things is built, air-conditioning in the future etc. are high-power, similar smart jack such meter ability and control device might be implanted in high energy consumption electrical equipment inside, help power supply department and realize the control function in the situation one.
Situation two, the dsm server among Fig. 1 are the electricity consumption user.Management of power use department collects the electricity consumption data of inner each electrical equipment of electricity consumption user through the model of Fig. 1; Except the data statistic analysis that is used for management of power use department self; Can also license to this electricity consumption user; Make the electricity consumption user carry out queried access to these data, in time understand the electricity consumption situation in the family, can also realize long-distance intelligent control through this system to electrical equipment in the family so that take corresponding electricity consumption strategy through the internet.
Though the advantage based on the electric energy metered system of smart jack/Internet of Things among Fig. 1 is outstanding; But also have some bigger design defect: each smart jack need calculate separately and connect electric current and the voltage on the circuit between the electrical equipment, and through the communicating by letter of WSN network and radio network gateway realization and dsm server, even also to carry out the demonstration of data; Therefore this smart jack is compared with existing common receptacle; Often volume is bigger, and cost is higher, and smart jack normally is installed on the existing common socket; The plug of electrical equipment is inserted on the smart jack more then, implements very inconvenient; Simultaneously inner the electricity consumption user, generally include a plurality of electrical equipment, so smart jack needs a plurality of smart jacks just can satisfy the demands as the base unit of this system, this has increased the cost of whole electric energy metered system undoubtedly.
Summary of the invention
In order to solve the above-mentioned problem, the present invention proposes distribution type electric energy metering system based on the sensing net, with metering and the intelligent control method of distributing, reach the purpose of energy savings and resource.Compare the electric energy metered system based on smart jack/Internet of Things recited above, simplified the device structure of system, greatly reduce the cost of whole electric energy metered system based on the distribution type electric energy metering system of sensing net.
For this reason, the embodiment of the invention provides following technical scheme.
A kind of distribution type electric energy metering system based on the sensing net comprises overall metering module, at least one distribution metering module and gateway, wherein:
Overall metering module; Measurement register one's residence voltage and total electric current on the low-voltage power line; Calculate total energy value; And send to the distribution metering module and give dsm server, and control command and the corresponding operation of execution that receive gateway forwards from dsm server through gateway forwards through the electricity consumption data of WSN network with metering;
At least one distribution metering module; Measure the electric current of each inner electrical equipment of electricity consumption user with current induction method; Voltage according to overall metering module issue; Calculate the energy value of each electrical equipment, and its electric current and energy value are sent to overall metering module and give dsm server through gateway forwards through the WSN network, receive the control command and the corresponding operation of execution from dsm server of gateway forwards;
Gateway; Receive electricity consumption data through the WSN network from overall metering module and distribution metering module; With the electricity consumption data through processing and format conversion after be transmitted to dsm server through the internet net, and will be transmitted to overall metering module or distribution metering module from the control command of electricity consumption server.
According to a kind of distribution type electric energy metering system that this utility model provided based on the sensing net, can be used for the energy consumption statistic metering of inner each electrical equipment of electricity consumption user, with metering and the intelligent control method of distributing, reach the purpose of energy savings.
Description of drawings
Fig. 1 is the structural representation of smart jack electric energy metered system;
The distribution type electric energy metering system structural representation that Fig. 2 provides for the embodiment of the invention based on the sensing net;
The structural representation of the overall metering module that Fig. 3 provides for the embodiment of the invention;
The structural representation of the distribution metering module that Fig. 4 provides for the embodiment of the invention.
Embodiment
In order to make those skilled in the art person understand the scheme of the embodiment of the invention better, the embodiment of the invention is done further to specify below in conjunction with accompanying drawing and embodiment.
As shown in Figure 2, be the structural representation that the embodiment of the invention provides based on the distribution type electric energy metering system of sensing net, comprising: overall metering module 1, at least one distribution metering module 2 and gateway 3.Following mask body is introduced the effect of each several part.
At least one distribution metering module 2; Measure the electric current of inner each electrical equipment of electricity consumption user with current induction method; Voltage according to overall metering module 1 issue; Count the energy value of each electrical equipment, and send its electric current and energy value to overall metering module 1 and gateway 3 through the WSN network, can also carry out the control command that gateway 3 is transmitted.The principle that inductive method is measured will combine the concrete structure of the distribution metering module 2 among Fig. 4 to describe.
Wherein, overall metering module 1, each distribution metering module 2 and gateway 3 all comprise the WSN module, thereby can realize communication each other through the WSN network.The concrete structure of overall metering module 1 and distribution metering module 2 will combine accompanying drawing 3 and 4 to describe.
This course of work based on the distribution type electric energy metering system of sensing net is following:
The voltage and current signal that overall metering module 1 is gathered on the 220v low-voltage power line of registering one's residence through electric energy meter; Record total electric current of each inner electrical equipment of magnitude of voltage and this electricity consumption user on the actual low-voltage power line; Calculate the total energy value of this electricity consumption user according to measured voltage and total current, and measured electricity consumption data transfer is given each distribution metering module 2 and is transmitted to dsm server through gateway 3 through the WSN module of overall metering module 1; Distribution metering module 2; Measure the electric current of the electrical equipment that it connected with current induction method; Voltage according to overall metering module 1 issue; Count the energy value of this electrical equipment, and these electricity consumption data are transmitted to dsm server and overall metering module 1 through gateway 3 through the WSN module of distribution metering module 2; Gateway 3 receives the electricity consumption data from overall metering module 1 and distribution metering module 2 through the WSN network, and these electricity consumption data are handled and format conversion, is transmitted to dsm server through internet then; Dsm server is according to the electricity consumption data that received; Can transmit control command through internet and gateway 3 and give the overall metering module 1 or the metering module 2 that respectively distributes; The overall metering module 1 or the metering module 2 that respectively distributes are carried out corresponding command operation, and then realize like background parts long-distance intelligent control and the management to each inner electrical equipment of electricity consumption user described in the description of Fig. 1.
The concrete function structure of the distribution metering module 2 among Fig. 2 can be embedded in the existing socket.Because distribution metering module 2 only measures its corresponding electric current, need not the measuring voltage parameter, so its circuit compares the smart jack shown in Fig. 1 and simplifies greatly, so that its contour structures can be done is small and exquisite, can be directly embedded in the existing socket.
In addition; The concrete function structure of the distribution metering module 2 among Fig. 2 can also adopt open loop type structure for example to be enclosed within on L or the N line of socket 6 and electrical equipment wire connecting or adopt the clamp type structure to be clipped on the L or N line of said electric wire, and implementation is more flexible.
Fig. 3 is the structural representation of the overall metering module 1 that provides of the embodiment of the invention; Comprise: voltage pre-service 11, electric current pre-service 12, power supply 13, electric energy metrical 14, CPU 15, infrared receiving/transmission 16, demonstration 17 and WSN module 18 specifically describe the each several part effect below.
Voltage pre-service 11 is gathered the voltage signal of the low-voltage power line of registering one's residence, and voltage signal is carried out filtering, dividing potential drop and adjustment handle, then with the voltage signal after handling send electric energy metrical 14 to.
The current signal on the low-voltage power line of registering one's residence is gathered in electric current pre-service 12, and it is shunted and adjust processing, then with the current signal after handling send electric energy metrical 14 to.
Electric energy metrical 14 according to from the voltage signal of voltage pre-service 11 and the current signal of electric current pre-service 12, calculates the total electric energy on this low-voltage power line.
Infrared receiving/transmission 16 is used for parameter setting and the command operation of infrared copy meter machine to overall metering module 1.
Show 17, be used to show the electricity consumption data of the overall metering module 1 and the metering module 2 that respectively distributes, make things convenient for the electricity consumption user to check.
The course of work of each module of overall metering module 1 is following:
Fig. 4 shows the structural representation of the distribution metering module 2 that the embodiment of the invention provides, and comprising: induction by current 21, current sample 22, CPU 23, WSN module 24, battery 25, the each several part function specifically describes as follows.
Induction by current 21 uses the induction by current method to measure the electric current of each electrical equipment.Particularly, the principle of work of inductive method is: with the L line of lead winding line of electric force, when passing through electric current in the line of electric force, produce induction current in the loop at this lead place.Then,, calculate the electric current in its line of electric force that twines, just flow through the electric current of the electrical equipment that this distribution metering module 2 connected according to the winding number of turn of this lead and induction current size.Here, induction by current 21 adopts lead to twine the L line or the N line of line of electric force, in the loop at its place, produces induction current.
Battery 25 adopts the intelligent battery of stipulating in the wireless sense network national standard to supply power, and needs change once on request in per 5 years.
Owing in overall metering module 1, measure the voltage on the low-voltage power line; And be parallel-connection structure between overall metering module 1 and each electrical equipment; Therefore the voltage on each electrical equipment just equals the voltage that overall metering module 1 is measured; So distribution metering module 2 just can save tension measuring circuit and other control, display circuit, make more the distribute structure of metering module 2 of in this system usage quantity simplify greatly, thereby reduced the volume of distribution metering module 2; Even can be embedded in the existing power receptacle, also greatly reduce the cost of system.
The course of work of each module of distribution metering module 2 is following:
Induction by current 21 uses current induction methods to twine the electric current of the electrical equipment that this distribution metering module 2 of L line induction connected through lead; Current sample 22 is gathered the induction current that is produced, and sends the induction current of being gathered to CPU 23; CPU 23 calculates the energy value of this electrical equipment of voltage calculating of issuing through the electric current and the overall metering module 1 of this electrical equipment according to the induction current of being gathered; And its electric current and energy value are sent to overall metering module 1 and are transmitted to dsm server through gateway 3 through WSN module 24, and carry out control command through gateway 3 forwardings from dsm server; Wherein distribute metering module 2 by battery 25 power supplies, battery 25 adopts the intelligent battery of stipulating in the wireless sense network national standard, can continue power supply in 5 years.
More than the embodiment of the invention has been carried out detailed introduction, used embodiment among this paper the present invention set forth, the explanation of above embodiment just is used for help understanding system of the present invention and equipment; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (4)
1. the distribution type electric energy metering system based on the sensing net is characterized in that, comprises overall metering module, at least one distribution metering module and gateway, wherein:
Overall metering module; Measurement register one's residence voltage and total electric current on the low-voltage power line; Calculate total energy value; And send to the distribution metering module and give dsm server, and control command and the corresponding operation of execution that receive gateway forwards from dsm server through gateway forwards through the electricity consumption data of WSN network with metering;
At least one distribution metering module; Measure the electric current of each inner electrical equipment of electricity consumption user with current induction method; Voltage according to overall metering module issue; Calculate the energy value of each electrical equipment, and its electric current and energy value are sent to overall metering module and give dsm server through gateway forwards through the WSN network, receive the control command and the corresponding operation of execution from dsm server of gateway forwards;
Gateway; Receive electricity consumption data through the WSN network from overall metering module and distribution metering module; With the electricity consumption data through processing and format conversion after be transmitted to dsm server through the internet net, and will be transmitted to overall metering module or distribution metering module from the control command of electricity consumption server.
2. the distribution type electric energy metering system based on the sensing net according to claim 1 is characterized in that said overall metering module comprises voltage pre-service, electric current pre-service, electric energy metrical, CPU, WSN module and power supply, wherein:
The voltage pre-service is gathered the voltage signal of the low-voltage power line of registering one's residence, and voltage signal is carried out filtering, dividing potential drop and adjustment handle, then with the voltage signal after handling send electric energy metrical to;
The current signal on the low-voltage power line of registering one's residence is gathered in the electric current pre-service, and it is shunted and adjust processing, then with the current signal after handling send electric energy metrical to;
Electric energy metrical according to from pretreated voltage signal of voltage and the pretreated current signal of electric current, calculates the total energy value on this low-voltage power line;
CPU is the computing and the control core of overall metering module, and the control electric energy metrical measures total energy value, voltage and current, and the communication of control WSN module;
The WSN module; Overall metering module sends the electricity consumption data distribution metering module to and gives dsm server through gateway forwards through the WSN module; Reception is from the user data of distribution metering module metering, and control command and the corresponding operation of execution from the dsm server that receive gateway forwards.
Power supply obtains electric energy from the 220v low-voltage power line, and carries out voltage transitions, and the working power of overall metering module is provided.
3. the distribution type electric energy metering system based on the sensing net according to claim 2 is characterized in that, said overall metering module also further comprises:
Infrared receiving/transmission is used for parameter setting and the command operation of infrared copy meter machine to overall metering module;
Show, be used to the electricity consumption data that show overall metering module and respectively distribute metering module.
4. the distribution type electric energy metering system based on the sensing net according to claim 1 is characterized in that said distribution metering module comprises induction by current, current sample, CPU, WSN module, battery, wherein:
Induction by current utilizes the be intertwined and connected phase line of line of electric force of electrical equipment of lead, obtains induction current;
Current sample connects induction by current and gathers said induction current;
CPU; The induced electricity flow valuve that connects current sample and gather according to current sample and the winding number of turn of the lead in the induction by current calculate the energy value that this electrical equipment consumes, and control WSN module and overall metering module communicate by letter and with dsm server between communicate by letter;
The WSN module; The electricity consumption data of being measured are sent to overall metering module and give dsm server through gateway forwards; Reception is from the electricity consumption data of overall metering module issue, and the control command and the operation of execution control corresponding that receive dsm server process gateway forwards;
Battery adopts intelligent battery to come to be the power supply of distribution metering module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201120167496U CN202133715U (en) | 2011-05-24 | 2011-05-24 | Distributed electric energy metering system based on sensing net |
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| CN201120167496U CN202133715U (en) | 2011-05-24 | 2011-05-24 | Distributed electric energy metering system based on sensing net |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310614A (en) * | 2013-06-19 | 2013-09-18 | 深圳市银河表计股份有限公司 | Advanced metering system based on mobile APP (Application) |
| CN104200635A (en) * | 2014-09-19 | 2014-12-10 | 上海电器科学研究院 | Wireless switch with function of electrical quantity metering and acquisition method |
| CN104730333A (en) * | 2015-03-05 | 2015-06-24 | 国家电网公司 | Electric power measuring system |
| CN104730332A (en) * | 2015-03-05 | 2015-06-24 | 国家电网公司 | Electric power measuring system |
| CN105606886A (en) * | 2015-12-28 | 2016-05-25 | 石红坤 | Collection device of electricity consumption information and multiple-electrical-appliance separation recognition method |
| CN105720487A (en) * | 2016-03-24 | 2016-06-29 | 广东美的暖通设备有限公司 | Power distribution cabinet and power distribution system |
| CN106325240A (en) * | 2016-06-30 | 2017-01-11 | 浙江汉华节能技术有限公司 | Intelligent safety power management device and system based on plurality of communication modes |
| CN106597081A (en) * | 2017-01-20 | 2017-04-26 | 上海创远仪器技术股份有限公司 | Precision current detection apparatus of NB-IOT terminal under multiple operation modes |
| CN106771569A (en) * | 2016-11-23 | 2017-05-31 | 成都秦川科技发展有限公司 | With the ammeter of Internet of Things sensing module |
| CN107957570A (en) * | 2017-11-15 | 2018-04-24 | 国网辽宁省电力有限公司朝阳供电公司 | A kind of intelligent electric energy meter check system based on PLC distributed I/Os |
| CN110146740A (en) * | 2019-04-03 | 2019-08-20 | 国网浙江省电力有限公司 | A kind of household appliances energy consumption calculation system |
| CN111030305A (en) * | 2019-12-30 | 2020-04-17 | 珠海市丰兰实业有限公司 | Intelligent household electric energy management system and method |
-
2011
- 2011-05-24 CN CN201120167496U patent/CN202133715U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310614A (en) * | 2013-06-19 | 2013-09-18 | 深圳市银河表计股份有限公司 | Advanced metering system based on mobile APP (Application) |
| CN104200635A (en) * | 2014-09-19 | 2014-12-10 | 上海电器科学研究院 | Wireless switch with function of electrical quantity metering and acquisition method |
| CN104730333A (en) * | 2015-03-05 | 2015-06-24 | 国家电网公司 | Electric power measuring system |
| CN104730332A (en) * | 2015-03-05 | 2015-06-24 | 国家电网公司 | Electric power measuring system |
| CN105606886A (en) * | 2015-12-28 | 2016-05-25 | 石红坤 | Collection device of electricity consumption information and multiple-electrical-appliance separation recognition method |
| CN105720487A (en) * | 2016-03-24 | 2016-06-29 | 广东美的暖通设备有限公司 | Power distribution cabinet and power distribution system |
| CN106325240A (en) * | 2016-06-30 | 2017-01-11 | 浙江汉华节能技术有限公司 | Intelligent safety power management device and system based on plurality of communication modes |
| CN106325240B (en) * | 2016-06-30 | 2018-10-16 | 浙江汉华节能技术有限公司 | Intelligent and safe power consumption management apparatus and system based on communication |
| CN106771569A (en) * | 2016-11-23 | 2017-05-31 | 成都秦川科技发展有限公司 | With the ammeter of Internet of Things sensing module |
| CN106597081A (en) * | 2017-01-20 | 2017-04-26 | 上海创远仪器技术股份有限公司 | Precision current detection apparatus of NB-IOT terminal under multiple operation modes |
| CN106597081B (en) * | 2017-01-20 | 2023-09-08 | 上海创远仪器技术股份有限公司 | Accurate current detection device under NB-IOT terminal multiple mode |
| CN107957570A (en) * | 2017-11-15 | 2018-04-24 | 国网辽宁省电力有限公司朝阳供电公司 | A kind of intelligent electric energy meter check system based on PLC distributed I/Os |
| CN110146740A (en) * | 2019-04-03 | 2019-08-20 | 国网浙江省电力有限公司 | A kind of household appliances energy consumption calculation system |
| CN111030305A (en) * | 2019-12-30 | 2020-04-17 | 珠海市丰兰实业有限公司 | Intelligent household electric energy management system and method |
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Granted publication date: 20120201 Termination date: 20130524 |