CN204883824U - Two -way measurement power consumption management system - Google Patents
Two -way measurement power consumption management system Download PDFInfo
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- CN204883824U CN204883824U CN201520633294.1U CN201520633294U CN204883824U CN 204883824 U CN204883824 U CN 204883824U CN 201520633294 U CN201520633294 U CN 201520633294U CN 204883824 U CN204883824 U CN 204883824U
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Abstract
The utility model relates to a two -way measurement power consumption management system, including the treater to and difference connect the processor's two -way measuring equipment of communication interface, double - circuit and load controlgear, the two -way user's electric energy data of double - circuit are measured in real time to the two -way measuring equipment of double - circuit, and electrovalency data and the demand waste water that electric power system sent is received through communication interface to the treater, according to electrovalency data and user's electric energy data acquisition cost data information, give electric power system through communication interface with cost data store -and -forward, and send load control signal according to demand waste water to load controlgear, load controlgear receives load control signal to disconnection and closure according to load control signal control load switch. Has realized the comprehensive power consumption that inserts distributed generator family and has managed, the maximize income of electricity consumer.
Description
Technical field
The utility model relates to electric system generation of electricity by new energy and Electric Energy Metering Technology field, particularly relates to a kind of bidirectional measuring power consuming administrative system.
Background technology
Distributed generation technology and demand response technology, as the important component part of intelligent power system, have achieved certain development, along with the new forms of energy access at household electricity family and the participation of demand response, are badly in need of distributed power source access electricity consumer metering ammeter.
The access of new forms of energy makes traditional electricity consumer no longer only as a load on the one hand, also be provided with certain generating capacity, this just make the energy flow of electricity consumer and electric system from unidirectional become two-way, need ammeter can not only measure the power information of electricity consumer, also the sale of electricity information of electricity consumer can be measured, and can according to not in the same time electricity price metering electricity consumer various expenses, consider the subsidy of country for generation of electricity by new energy, the generating information needing ammeter simultaneously can measure distributed power source is used in order to measure allowance simultaneously; On the other hand, along with the enforcement of the popularization and tou power price that need response, electricity consumer also needs coordinating of metering ammeter can play actual effect for the use of load and the reasonable arrangement of distributed power source sale of electricity.
And in implementation procedure, inventor finds that in conventional art, at least there are the following problems: existing ammeter can only meet basic arrearage power-off service, both cannot use by meterage, the load significance level of electricity consumer is classified, rational planning can not be implemented, realize energy efficiency management system to respond with the urgent need of response electric system, more cannot carry out optimal programming to the sale of electricity pattern of distributed power source, help electricity consumer to regain installation cost; Namely existing ammeter can not meet the actual management of power use demand of current distributed power source access electricity consumer.
Utility model content
Based on this, be necessary, for the problem of the actual management of power use of current distributed power source access electricity consumer bidirectional measuring, to provide a kind of bidirectional measuring power consuming administrative system.
To achieve these goals, the embodiment of technical solutions of the utility model is:
Provide a kind of bidirectional measuring management system, comprise processor, and the communication interface of difference connection handling device, two-path bidirectional metering outfit and spatial load forecasting equipment;
User's energy data of two-path bidirectional metering outfit real time measure two-path bidirectional, processor receives electricity price data and the demand response signal of electric system transmission by communication interface, obtain cost data information according to electricity price data and user's energy data, by communication interface, cost data information is transmitted to electric system; And response signal sends load control signal to spatial load forecasting equipment according to demand; Spatial load forecasting equipment receives load control signal, and according to the disconnection of load control signal control overhead switch with closed.
Technique scheme has following beneficial effect:
Because respectively to forward and reverse electric energy of different rate period and distributed power generation amount independent measure and clearing, significance level for load is carried out three tunnels and is powered and control controllable burden according to electricity price information, so solve the metering settling problems of different electric energy, distributed power source generated energy and expense, also solve energy efficiency management system and the urgent need response problem responding electric system; And then achieve household electricity integrated management, maximise the income of electricity consumer, both for electricity consumer has saved electricity cost, the demand management policy of the response Power Systems Inc. also making electricity consumer positive, had promoted the popularization of demand response.
Accompanying drawing explanation
By the more specifically explanation of the preferred embodiment of the present utility model shown in accompanying drawing, above-mentioned and other object of the present utility model, Characteristics and advantages will become more clear.Reference numeral identical in whole accompanying drawing indicates identical part, and does not deliberately draw accompanying drawing by physical size equal proportion convergent-divergent, focuses on purport of the present utility model is shown.
Fig. 1 is the utility model bidirectional measuring power consuming administrative system embodiment wherein application scenarios schematic diagram;
Fig. 2 is the structural representation of the utility model bidirectional measuring power consuming administrative system embodiment 1;
Fig. 3 is the structural representation of the utility model bidirectional measuring power consuming administrative system embodiment 2.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.First-selected embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, the object of these embodiments is provided to be make to disclosure of the present utility model more thoroughly comprehensively.
It should be noted that, when an element is considered to " connection " another element, it can be directly connected to another element and be combined as a whole with it, or may there is centering elements simultaneously.Term as used herein " is connected ", " first ", " second " and similar statement just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in instructions of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Fig. 1 is an embodiment wherein application scenarios schematic diagram of the utility model bidirectional measuring power consuming administrative system and method: bidirectional measuring power consuming administrative system of the present utility model is connected between electricity consumer and electric system, and electricity consumer side conventional load adopts three tunnel power supply modes, comprise basic guarantee electricity consumption (important electric charge), secondary load and load curtailment, wherein a road connects important load, not power-off; One tunnel connects secondary load, can urgent need response under power-off; One tunnel connects load curtailment, in the power-off of energy efficiency management moment.Also comprise distributed energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) in this scenario simultaneously.In addition, in FIG, solid line represents power transmission line; Dotted line then represents control signal wire.
Fig. 2 is the structural representation of the utility model bidirectional measuring power consuming administrative system embodiment 1; As shown in Figure 2, bidirectional measuring power consuming administrative system comprises processor die 100, and the communication interface 110 of difference connection handling device 100, two-path bidirectional metering outfit 120 and spatial load forecasting equipment 130;
Wherein, user's energy data of two-path bidirectional metering outfit 120 real time measure two-path bidirectional; Processor 100 receives electricity price data and the demand response signal of electric system by communication interface 110; Processor 100 obtains cost data information according to electricity price data and user's energy data, by communication interface 110, cost data information is transmitted to electric system; And response signal sends load control signal to spatial load forecasting equipment 130 according to demand; Spatial load forecasting equipment 130 receives load control signal, and according to the disconnection of load control signal control overhead switch 140 with closed.
Specifically, communication interface 110 can by wired and wireless two kinds of same communication of power system of mode, communication interface 110 comprise in ethernet interface, power line carrier, PLC interface, RS-485 communication interface and GPRS (GeneralPacketRadioService: general packet radio service technology) communication interface one or more, the instruction setting that its concrete communication mode is sent by processor 100.Communication interface 110 is responsible for the electricity price data receiving electric system, and electricity price data comprise: purchase electricity price P1, sale of electricity electricity price P2 and subsidy electricity price P3.Communication interface 110 is also for also receiving demand response signal, comprise EDR (urgent need response signal), and demand response signal is transmitted to processor 100, receive the cost data information that self processor 100 feeds back simultaneously, and cost data information comprises: the total power purchase expense SC1 of electricity consumer, the total sale of electricity income SC2 of electricity consumer, electricity consumer total allowance SC3 and the total electricity cost SC of electricity consumer, wherein SC=SC1-SC2-SC3.
User's energy data of two-path bidirectional metering outfit 120 real time measure two-path bidirectional, and user's energy data comprises forward active energy Ep1, forward reactive energy Eq1 between the electricity consumer of two-path bidirectional metering outfit 120 1 road real time measure and electric system, oppositely active energy Ep2, oppositely reactive energy Eq2, and the reactive energy Eq3 that the distributed power source of another road real time measure the active energy Ep3, the distributed power source that send send; The two-path bidirectional metering outfit 120 of the present embodiment can realize with conventional art, therefore does not repeat them here; Processor 100 adds timestamp the user's energy data received and to store respectively afterwards.Two-path bidirectional metering outfit 120 comprises single phase bidirectional electric energy computation chip, and in a specific embodiment, this single phase bidirectional electric energy computation chip can adopt the CS5463 type single phase bidirectional electric energy computation chip of CIRRUSLOGIC company to realize.
Electricity consumer load divides three tunnel wiring according to significance level as shown in Figure 1, one tunnel connect important load, not power-off, a road connects secondary load, can urgent need response under power-off, one tunnel connect load curtailment, in the power-off of energy efficiency management moment; Namely on-load switch 140 comprises secondary on-load switch and load curtailment switch.
Based on demand response signal, processor 100 sends load control signal, and spatial load forecasting equipment 130 receives load control signal, simultaneously, spatial load forecasting equipment 130, according to load control signal, disconnects or closes secondary on-load switch and load curtailment switch, specific as follows:
Load control signal comprises the first load control signal and the second load control signal; The first load control signal that spatial load forecasting equipment 130 sends based on processor 100 and urgent need response instruction L1=1 (high level instruction; Represent that urgent need response starts), disconnect secondary on-load switch and load curtailment switch; Second load control signal and L1=0 (low level instruction; Represent that urgent need response terminates), closed secondary on-load switch.
The load control order that load curtailment switch then sends according to processor 100 determines whether close.Processor 100 can receive the responsive electricity price that electricity consumer is arranged in advance, and judges the size of the purchase electricity price in responsive electricity price and electricity price data by the first coupled comparer.Two input ends in first comparer can access responsive electricity price and purchase electricity price respectively, and output terminal is connected with spatial load forecasting equipment 130; According to the two size, the output terminal of the first comparer is to described spatial load forecasting equipment output load steering order.Spatial load forecasting equipment 130 receives load control order, and according to load control order, disconnects or closed load curtailment switch, specific as follows:
Load control order comprises the first load control order and the second load control order; When the current purchase electricity price P1 in the first comparator input terminal is greater than default responsive electricity price P0, first comparer exports the first load control order L2=1 by output terminal to spatial load forecasting equipment 130, spatial load forecasting equipment 130 disconnects load curtailment switch, enters household electricity management phase; When the current purchase electricity price P1 in the first comparator input terminal is less than or equal to P0, comparer exports the second load control order L2=0 by output terminal to spatial load forecasting equipment 130, and spatial load forecasting equipment 130 closes load curtailment switch.
In addition, when processor module 100 receives the urgent need response signal from communication interface 110, the interrupt routine that makes an immediate response upgrades EDR value, send load control signal according to EDR value to spatial load forecasting equipment simultaneously, EDR=0 sends the first load control signal L1=0, and EDR=1 then sends the second load control signal L1=1; During the name day, processor 100 sends cost data information SC1, SC2, SC3 and SC of electricity consumer to communication interface 110.
And the utility model bidirectional measuring power consuming administrative system embodiment 1 is because can respectively to forward and reverse electric energy of different rate period and distributed power generation amount independent measure and clearing, significance level for load is carried out three tunnels and is powered and control controllable burden according to electricity price information, so solve the metering settling problems of different electric energy, distributed power source generated energy and expense, also solve energy efficiency management system and the urgent need response problem responding electric system; And then achieve household electricity integrated management, maximise the income of electricity consumer, both for electricity consumer has saved electricity cost, the demand management policy of the response Power Systems Inc. also making electricity consumer positive, had promoted the popularization of demand response.
Fig. 3 is the structural representation of the utility model bidirectional measuring power consuming administrative system embodiment 2, as shown in Figure 3, on the basis of the system shown in embodiment 1, the bidirectional measuring power consuming administrative system of the present embodiment also comprises the distributed power generation switch device 150 be connected with processor 100.
Wherein, as described above, processor 100 judges the size of purchase electricity price P1 and sale of electricity electricity price P2 in electricity price data by the second coupled comparer, first input end and second input end of the second comparer can receive P1 and P2 respectively, and output terminal and the cloth switch device 150 that generates electricity is connected; According to the two size, the output terminal of the second comparer sends steering order to cloth generating switch device 150; Distributed power generation switch device 150 receives steering order, and controls the mode of operation of distributed power source according to steering order.
And steering order comprises the first steering order and the second steering order; The mode of operation of distributed power source comprises remaining electric online pattern and whole online pattern;
When the P1 in the second comparator input terminal is more than or equal to P2, the second comparer sends the first steering order by output terminal, and the mode of operation that distributed power generation switch device 150 controls distributed power source based on the first steering order is remaining electric online pattern;
When the P1 in the second comparator input terminal is less than P2, the second comparer sends the second steering order by output terminal, and distributed power generation switch device 150 controls the mode of operation of distributed power source for pattern of all surfing the Net based on the second steering order.
In a specific embodiment, the selection instruction that distributed power generation switch device 150 is arranged based on electricity consumer is operated in automatic mode or manual mode; Wherein when distributed power generation switch device 150 is operated in automatic mode, the steering order that distributed power generation switch device 150 can send based on processor 100 controls the mode of operation of distributed power source.
Specifically, distributed power generation switch device 150, can be connected with processor 100 by RS-485 communication interface or ethernet interface, with maintenance two-way communication each other; By the selection instruction that steering order or the electricity consumer of receiving processor 100 are arranged, this module can be operated in automatic mode or manual mode:
When electricity consumer selects manual mode, first distributed power generation switch device 150 enters the current mode of operation selected, and then sends present control mode signal A=0 to processor 100 and represents and be operated in manual mode; Also send distributed power source mode of operation signal, namely mode control signal M, M=0 represent distributed power source and are operated in remaining electric online pattern, and M=1 distributed power source is operated in directly all online patterns simultaneously; Now processor 100 by the mode of operation of coupled storer record distributed power generation handover module 150 not to its sending controling instruction;
When electricity consumer selects automatic mode, distributed power generation switch device 150 sends current control mode data A=1 to processor 100, then the steering order of wait-receiving mode processor 100.
Processor 100 receives control mode of operation signal A from distributed power generation switch device 150 and distributed power source mode of operation signal M, processor 100 is to distributed power generation handover module 150 sending mode steering order MC, first steering order MC=0 instruction distributed power generation switch device 150 controls distributed power source and is operated in remaining electric online pattern, and the second steering order MC=1 instruction distributed power generation switch device 150 controls distributed power source and is operated in directly all online patterns.
And based on the system of the utility model bidirectional measuring power consuming administrative system embodiment 2, because respectively to forward and reverse electric energy of different rate period and distributed power generation amount independent measure and clearing, according to electricity price information, different mode of operations (remaining electricity online and all online) is selected to Distributed-generation equipment, significance level for load is carried out three tunnels and is powered and control controllable burden according to electricity price information, so solve different electric energy, the metering settling problems of distributed power source generated energy and expense, also energy efficiency management system and the urgent need response problem responding electric system is solved, and then achieve household electricity integrated management, maximise the income of electricity consumer, both for electricity consumer has saved electricity cost, the demand management policy of the response Power Systems Inc. also making electricity consumer positive, had promoted the popularization of demand response.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. a bidirectional measuring power consuming administrative system, is characterized in that, comprises processor, and connects the communication interface of described processor, two-path bidirectional metering outfit and spatial load forecasting equipment respectively;
User's energy data of described two-path bidirectional metering outfit real time measure two-path bidirectional, described processor receives electricity price data and the demand response signal of electric system transmission by described communication interface, obtain cost data information according to described electricity price data and described user's energy data, by described communication interface, described cost data information is transmitted to described electric system; And send load control signal according to described demand response signal to described spatial load forecasting equipment; Described spatial load forecasting equipment receives described load control signal, and according to the disconnection of described load control signal control overhead switch with closed.
2. bidirectional measuring power consuming administrative system according to claim 1, it is characterized in that, described processor comprises the first comparer, the first input end of described first comparer accesses responsive electricity price, second input end accesses the purchase electricity price in described electricity price data, output terminal is connected with described spatial load forecasting equipment, to described spatial load forecasting equipment output load steering order.
3. bidirectional measuring power consuming administrative system according to claim 2, is characterized in that, described on-load switch comprises secondary on-load switch and load curtailment switch;
Described spatial load forecasting equipment, according to described load control signal, disconnects or closes described secondary on-load switch and described load curtailment switch;
Described spatial load forecasting equipment, according to described load control order, disconnects or closed described load curtailment switch.
4. bidirectional measuring power consuming administrative system according to claim 1, is characterized in that, also comprises the distributed power generation switch device be connected with described processor; Described processor also comprises the second comparer, the first input end of described second comparer and the second input end access purchase electricity price in described electricity price data and sale of electricity electricity price respectively, output terminal and the described cloth switch device that generates electricity is connected, and sends steering order to described cloth generating switch device;
Described distributed power generation switch device receives described steering order, and controls the mode of operation of described distributed power source according to described steering order.
5. bidirectional measuring power consuming administrative system according to claim 4, is characterized in that, described distributed power generation switch device comprises RS-485 communication interface and ethernet interface.
6. the bidirectional measuring power consuming administrative system according to claim 1 to 5 any one, is characterized in that, described two-path bidirectional metering outfit comprises single phase bidirectional electric energy computation chip.
7. the bidirectional measuring power consuming administrative system according to claim 1 to 5 any one, it is characterized in that, described communication interface comprise in ethernet interface, power line carrier, PLC interface, RS-485 communication interface and GPRS communication interface one or more.
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| CN201520633294.1U CN204883824U (en) | 2015-08-20 | 2015-08-20 | Two -way measurement power consumption management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597047A (en) * | 2016-12-14 | 2017-04-26 | 国家电网公司 | Metering system and method having self-contained power supply user pi access system |
| CN108879676A (en) * | 2018-08-29 | 2018-11-23 | 新智能源系统控制有限责任公司 | A kind of sale of electricity control system |
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2015
- 2015-08-20 CN CN201520633294.1U patent/CN204883824U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597047A (en) * | 2016-12-14 | 2017-04-26 | 国家电网公司 | Metering system and method having self-contained power supply user pi access system |
| CN106597047B (en) * | 2016-12-14 | 2019-03-22 | 国家电网公司 | A kind of metering system and method with power autonomous user ∏ access system |
| CN108879676A (en) * | 2018-08-29 | 2018-11-23 | 新智能源系统控制有限责任公司 | A kind of sale of electricity control system |
| CN108879676B (en) * | 2018-08-29 | 2020-10-09 | 新智能源系统控制有限责任公司 | Electricity selling control system |
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Effective date of registration: 20210812 Address after: 510663 3 building, 3, 4, 5 and J1 building, 11 building, No. 11, Ke Xiang Road, Luogang District Science City, Guangzhou, Guangdong. Patentee after: China Southern Power Grid Research Institute Co.,Ltd. Patentee after: ZHEJIANG University Address before: 13-21 / F, West Tower, Yuedian building, No.6 and 8 shuijungang, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong 510000 Patentee before: CSG POWER GRID TECHNOLOGY RESEARCH CENTER Patentee before: China Southern Power Grid Research Institute Co.,Ltd. Patentee before: ZHEJIANG University |