CN202771201U - Smart home power-supplying monitoring device based on real-time electricity prices - Google Patents
Smart home power-supplying monitoring device based on real-time electricity prices Download PDFInfo
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- CN202771201U CN202771201U CN 201220320456 CN201220320456U CN202771201U CN 202771201 U CN202771201 U CN 202771201U CN 201220320456 CN201220320456 CN 201220320456 CN 201220320456 U CN201220320456 U CN 201220320456U CN 202771201 U CN202771201 U CN 202771201U
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Abstract
The utility model discloses a smart home power-supplying monitoring device based on real-time electricity prices. The smart home power-supplying monitoring device includes a data sampling module, an input module, a communication module, a single chip microcomputer, an auxiliary circuit module, a display module and a driving module, wherein the data sampling module includes a temperature sensor, a voltage sensor and a current sensor, the communication module includes a CAN interface and an RS-485 interface. The data sampling module, the input module, the communication module and the auxiliary circuit module are accessed into an input end of the single chip microcomputer; an out put end of the single chip microcomputer is accessed into the display module and the driving module. Based on the real-time electricity prices, with consideration of the characteristics of a photovoltaic system and an electric car, the smart home power-supplying monitoring device of the utility model can reasonably select a power source for a smart home, thereby reducing the power-supplying cost of the smart home; and further the smart home power-supplying monitoring device of the utility model also has the functions of calculating an expected electricity bill of household appliances and expected earnings of the power source of the smart home.
Description
Technical field:
The utility model relates to a kind of Smart Home power supply monitoring device based on Spot Price.
Background technology:
Being widely used in the dwelling house household along with electronics and ICT (information and communication technology) proposed the concept of Smart Home.Smart Home claims again intelligent dwelling (Smart Home), as platform take dwelling house, utilize automatic control technology, ICT (information and communication technology), audio frequency and video technology and the security precautions technology facility that life staying idle at home is relevant integrated, make up the management system of efficient dwelling house facility and household schedule affairs, thereby promote house security, convenience, comfortableness, artistry, and realize the living environment of environmental protection and energy saving.
Smart Home is one of important step of intelligent grid construction, and Smart Home power supply monitoring device is the important component part of Smart Home design.The power supply of following Smart Home can be electrical network, can be photovoltaic system, also can be electric automobile.The three respectively has its characteristics as the power supply of Smart Home, is real-time change such as the mains supply electricity price; Photovoltaic system is free, but can only generate electricity by day and be subjected to the restriction of weather conditions; Electric automobile can discharge and recharge at any time, but needs to consider driving function originally.Therefore, the optimal selection of Smart Home power supply is the important way that Smart Home reduces the power supply expense, is again the key of responsive electricity grid scheduling, structure intelligent grid.
At present, in Smart Home, existing scholar is for Smart Home communication interface technology, and Bidirectional intelligent ammeter and Smart Home three table combined into one apparatus are developed.Yet, lack the research based on the Smart Home power supply monitoring device of Spot Price.Therefore, a kind of Smart Home power supply monitoring device based on Spot Price is demanded research and development urgently.
The utility model content:
For the above-mentioned present situation that there is no based on the Smart Home power supply monitoring device of Spot Price, technical problem to be solved in the utility model is, overcome prior art not according to Spot Price, the electric energy characteristic of photovoltaic system and electric automobile, select the shortcoming of Smart Home power supply, a kind of Smart Home power supply monitoring device is provided.This device can realize that not only Smart Home independently selects power supply, can also the expection electricity charge of computational intelligence household electrical appliances and power supply prospective earnings.This device has the characteristics such as circuit is simple, and volume is small and exquisite, and is with low cost, can be installed in the intelligent dwelling, has broad application prospects.
The utility model addresses the above problem the technical scheme of taking:
A kind of Smart Home power supply monitoring device based on Spot Price comprises data sampling module, load module, communication module, single-chip microcomputer, auxiliary circuit module, display module and driver module; It is characterized in that: described data sampling module comprises temperature sensor, voltage sensor and current sensor, and communication module comprises CAN interface and RS-485 interface.The input end of described data sampling module, load module, communication module and auxiliary circuit module access single-chip microcomputer; Output terminal access display module and the driver module of described single-chip microcomputer.The utility model is according to Spot Price, and the electric energy characteristic of photovoltaic system and electric automobile realizes the optimal selection of Smart Home power supply; In addition, the utility model also has the function of the expection electricity charge of computational intelligence household electrical appliances and power supply prospective earnings.
Described data sampling module comprises temperature sensor, voltage sensor and current sensor, and the model of temperature sensor is that the model of TP100, voltage sensor is that the model of ZV25-P, current sensor is ZA25-NP.Described communication module comprises CAN interface and RS-485 interface, and its model is M49003.Described auxiliary circuit module comprises power circuit and clock circuit; Power circuit provides reliable and stable operating voltage for single-chip microcomputer, and its model is LM2575-5.0, and clock circuit provides stable work clock for single-chip microcomputer, its crystal oscillator 12M, starting of oscillation electric capacity 30pF.Described output module comprises LED display.The model of described driver module chip is ULN2003.
The model of described single-chip microcomputer is STC89S51.
The principle of work of the Smart Home power supply monitoring device based on Spot Price described in the utility model is:
Select the principle of power supply to be to take full advantage of under the prerequisite of photovoltaic system electric energy, select the most rational power supply based on Spot Price.When network load is in peak period (7:00-11:00,19:00-23:00), when Spot Price is in a high position, uses as far as possible photovoltaic, electric automobile as the power supply of Smart Home, even unnecessary electric energy is fed back to electrical network; Therefore single-chip microcomputer selects photovoltaic system as a level power supply of Smart Home, electric automobile is as the secondary standby power supply, and electrical network is as three grades of standby power supplies.In the situation that a level power supply satisfies the Smart Home power demands fully, electric automobile can feed back to electrical network with unnecessary electric energy.When network load was in flat section (11:00-19:00), single-chip microcomputer selected photovoltaic system as a level power supply of Smart Home, and electrical network is as the secondary standby power supply, and electric automobile is as three grades of standby power supplies.In the situation that a level power supply satisfies the Smart Home power demands fully, electric automobile can feed back to electrical network with unnecessary electric energy.When the network load period at a low ebb (23:00-7:00), when Spot Price is in low level, the electric energy that Smart Home need to use electrical network to provide as far as possible; Consider that this period photovoltaic system can not generate electricity, therefore single-chip microcomputer selects electrical network as a level power supply of Smart Home, and the control charging electric vehicle.
In addition, the Single-chip Controlling communication module regularly reads 24 hours Spot Price of electrical network on the same day, and with its storage.
Data sampling module obtains the current state of intelligent water heater, intelligent air condition, electric automobile and photovoltaic system by sampling, wherein the current state of intelligent water heater and intelligent air condition refers to Current Temperatures, and the current state of electric automobile and photovoltaic system refers to current SOC value.The user can arrange by load module the temperature of intelligent water heater and intelligent air condition, and the minimum SOC value that the discharge of photovoltaic system and electric automobile allows also can be set.Single-chip microcomputer is according to operating power, the current state of intelligent water heater and state computation is set the working time, and within this time period the operating power of each period and the product of Spot Price is sued for peace, thereby calculates the expected cost of intelligent water heater.The expected cost of intelligent air condition and the charging cost of electric automobile also can be calculated by said method.The expected cost sum of computational intelligence air-conditioning, intelligent water heater and electric automobile obtains expecting total cost.In like manner, single-chip microcomputer is according to operating power, the current state of photovoltaic system and state computation is set discharge time, and within this time period the product of operating power and Spot Price is sued for peace, thereby calculates the prospective earnings of photovoltaic system.The prospective earnings of electric automobile discharge also can be calculated by said method.Calculate the prospective earnings sum of photovoltaic system and electric automobile, obtain expecting total revenue.
The concrete steps of described device comprise:
(1) sampling of the temperature sensor TP100 in the data sampling module obtains the Current Temperatures of intelligent water heater and intelligent air condition, voltage sensor ZV25-P and current sensor ZA25-NP gather respectively electric current and the voltage of electric automobile and photovoltaic system, calculate operating power and the current SOC value of electric automobile and photovoltaic system.These data are delivered to storage unit corresponding in the single-chip data storer with discernible data layout.Current Temperatures, the operating power of electric automobile and photovoltaic system and the current SOC value of single-chip microcomputer output intelligent water heater and intelligent air condition.
(2) the Single-chip Controlling communication module regularly reads 24 hours Spot Price of electrical network on the same day, and delivers to storage unit corresponding in the single-chip data storer; Simultaneously, single-chip microcomputer is exported Spot Price to the display module of current period and is shown.
(3) be in (7:00-11:00 peak period when network load, in the time of 19:00-23:00), single-chip microcomputer output control signal is to driver module, select photovoltaic system as a level power supply of Smart Home by driver module, electric automobile is as the secondary standby power supply, and electrical network is as three grades of standby power supplies.In the situation that a level power supply satisfies the Smart Home power demands fully, single-chip microcomputer is according to the current SOC value of electric automobile, and the control electric automobile feeds back to electrical network with unnecessary electric energy.When network load is in flat section (11:00-19:00), single-chip microcomputer output control signal is to driver module, select photovoltaic system as a level power supply of Smart Home by driver module, electrical network is as the secondary standby power supply, and electric automobile is as three grades of standby power supplies.In the situation that a level power supply satisfies the Smart Home power demands fully, single-chip microcomputer is according to the current SOC value of electric automobile, and the control electric automobile feeds back to electrical network with unnecessary electric energy.When the network load period at a low ebb (23:00-7:00), single-chip microcomputer output control signal selects electrical network as a level power supply of Smart Home to driver module by driver module, and the control charging electric vehicle.
(4) user arranges the temperature of intelligent water heater by load module.Single-chip microcomputer is according to operating power, the current state of intelligent water heater and state computation is set the working time, and within this time period the operating power of each period and the product of Spot Price is sued for peace, thereby calculates the expected cost of intelligent water heater.
(5) user arranges the temperature of intelligent air condition by load module.Single-chip microcomputer is according to operating power, the current state of intelligent air condition and state computation is set the working time, and within this time period the operating power of each period and the product of Spot Price is sued for peace, thereby calculates the expected cost of intelligent air condition.
(6) user arranges the SOC value of electric automobile by load module.Single-chip microcomputer is according to operating power, the current state of electric automobile and state computation is set charging or discharge time, and within this time period, the operating power of each period and the product of Spot Price are sued for peace, thereby calculate expected cost or the prospective earnings of electric automobile.
(7) user arranges the SOC value of photovoltaic system by load module.Single-chip microcomputer is according to operating power, the current state of photovoltaic system and state computation is set discharge time, and within this time period the product of operating power and Spot Price is sued for peace, thereby calculates the prospective earnings of photovoltaic system.
(8) the expected cost sum of intelligent air condition, intelligent water heater and electric automobile is the expection total cost.The prospective earnings sum of photovoltaic system and electric automobile is the expection total revenue.Wherein, the prospective earnings of electric automobile comprise the electric automobile income that obtains to intelligent water heater and intelligent air condition and the electric automobile feedback power income to electrical network of powering.The income of photovoltaic system comprises the photovoltaic system income that obtains to intelligent water heater and intelligent air condition and the photovoltaic system feedback power income to electrical network of powering.
In sum, based on the Smart Home power supply monitoring device of said structure according to the electrical network Spot Price, the electric energy characteristic of consideration photovoltaic system and electric automobile is selected the power supply of Smart Home, has realized the autonomous selection of Smart Home power supply, has reached the purpose that reduces Smart Home power supply expense.In addition, the utility model also has the function of the expection electricity charge of computational intelligence household electrical appliances and prospective earnings, also has simultaneously to show and the condition prompting function.This device has the characteristics such as circuit is simple, and volume is small and exquisite, and is with low cost, has broad application prospects.
Description of drawings
Fig. 1 is the structured flowchart of described Smart Home power supply monitoring device based on Spot Price.
Fig. 2 is the panel schematic diagram of described Smart Home power supply monitoring device based on Spot Price.
In Fig. 2:
1-LED display, 2-button
Fig. 3 is the circuit theory diagrams of the driver module of described Smart Home power supply monitoring device based on Spot Price.
Embodiment
Below in conjunction with drawings and Examples, the Smart Home power supply monitoring device based on Spot Price is described in detail:
As shown in Figure 1, the Smart Home power supply monitoring device based on Spot Price comprises data sampling module (1), load module (2), communication module (3), single-chip microcomputer (4), auxiliary circuit module (5), display module (6) and driver module (7); Wherein data sampling module (1) comprises temperature sensor, voltage sensor and current sensor, and communication module (3) comprises CAN interface and RS-485 interface.The utility model is according to Spot Price, and the electric energy characteristic of consideration photovoltaic system and electric automobile is selected the power supply of Smart Home from main separation, realized the optimal selection of Smart Home power supply, has reached the purpose that reduces Smart Home power supply expense.In addition, the utility model also has the function of the expection electricity charge of computational intelligence household electrical appliances and power supply prospective earnings.
As specific embodiment, the input end of the data sampling module of the described device of Fig. 1 (1), load module (2), communication module (3) and auxiliary circuit module (5) access single-chip microcomputer (4); Output terminal access display module (6) and the driver module (7) of described single-chip microcomputer (4).
As specific embodiment, the described data sampling module of the described device of Fig. 1 comprises temperature sensor, voltage sensor and current sensor, and the model of temperature sensor is that the model of TP100, voltage sensor is that the model of ZV25-P, current sensor is ZA25-NP.Described communication module comprises CAN interface and RS-485 interface, and its model is M49003.Described auxiliary circuit module comprises power circuit and clock circuit; Power circuit provides reliable and stable working power for single-chip microcomputer, and its model is LM2575-5.0, and clock circuit provides stable work clock for single-chip microcomputer, its crystal oscillator 12M, starting of oscillation electric capacity 30pF.Described output module comprises LED display.The model of described driver module is ULN2003.The model of described single-chip microcomputer is STC89S51.
The panel schematic diagram of the described Smart Home power supply monitoring device based on Spot Price of the present embodiment as shown in Figure 2, described panel schematic diagram comprises LED display 1 and button 2, the each several part major function comprises:
The circuit theory diagrams of the driver module of the described Smart Home power supply monitoring device based on Spot Price of the present embodiment as shown in Figure 3.The circuit of described driver module is by resistance R 1, R2, R3, R4, R5, high withstand voltage, large electric current Darlington ULN2003, and diode D1, D2, D3, D4, D5, relay R L1, RL2, RL3, RL4, RL5 form.ULN2003 input 5VTTL level, output can reach 500mA/50V; Diode mainly shields.Directly drive relay R L1, RL2, RL3, RL4, RL5 by resistance R 1, R2, R3, R4, R5 through ULN2003 from the control signal of single-chip microcomputer output.The relay R L1 that is used for control electrical network loop from the control signal of resistance R 1 end input; The relay R L2 that is used for control electric automobile loop from the control signal of resistance R 2 ends input; The relay R L3 that is used for control photovoltaic system loop from the control signal of resistance R 3 ends input; The relay R L4 that is used for control intelligent air condition loop from the control signal of resistance R 4 ends input; The relay R L5 that is used for control intelligent water heater loop from the control signal of resistance R 5 ends input.
Claims (7)
1. the Smart Home power supply monitoring device based on Spot Price is characterized in that: comprise data sampling module (1), load module (2), communication module (3), single-chip microcomputer (4), auxiliary circuit module (5), display module (6) and driver module (7); It is characterized in that: described data sampling module (1) comprises temperature sensor, voltage sensor and current sensor, and communication module (3) comprises CAN interface and RS-485 interface; The input end of described data sampling module (1), load module (2), communication module (3) and auxiliary circuit module (5) access single-chip microcomputer (4); Output terminal access display module (6) and the driver module (7) of described single-chip microcomputer (4).
2. described Smart Home power supply monitoring device based on Spot Price according to claim 1, it is characterized in that: described data sampling module (1) comprises temperature sensor, voltage sensor and current sensor, and the model of temperature sensor is that the model of TP100, voltage sensor is that the model of ZV25-P, current sensor is ZA25-NP.
3. described Smart Home power supply monitoring device based on Spot Price according to claim 1, it is characterized in that: described communication module (3) comprises CAN interface and RS-485 interface, and its model is M49003.
4. described Smart Home power supply monitoring device based on Spot Price according to claim 1, it is characterized in that: the model of described single-chip microcomputer (4) is STC89S51.
5. described Smart Home power supply monitoring device based on Spot Price according to claim 1, it is characterized in that: described auxiliary circuit module (5) comprises power circuit and clock circuit; Power circuit provides reliable and stable operating voltage for single-chip microcomputer, and its model is LM2575-5.0, and clock circuit provides stable work clock for single-chip microcomputer, its crystal oscillator 12M, starting of oscillation electric capacity 30pF.
6. described Smart Home power supply monitoring device based on Spot Price according to claim 1, it is characterized in that: described output module (6) comprises LED display.
7. described Smart Home power supply monitoring device based on Spot Price according to claim 1, it is characterized in that: the model of described driver module (7) is ULN2003.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220320456 CN202771201U (en) | 2012-07-04 | 2012-07-04 | Smart home power-supplying monitoring device based on real-time electricity prices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220320456 CN202771201U (en) | 2012-07-04 | 2012-07-04 | Smart home power-supplying monitoring device based on real-time electricity prices |
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| CN202771201U true CN202771201U (en) | 2013-03-06 |
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| CN 201220320456 Expired - Fee Related CN202771201U (en) | 2012-07-04 | 2012-07-04 | Smart home power-supplying monitoring device based on real-time electricity prices |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108958054A (en) * | 2018-07-23 | 2018-12-07 | 长沙理工大学 | Open-source type intelligent home energy management system integrating model prediction |
| CN110888331A (en) * | 2019-11-26 | 2020-03-17 | 星络智能科技有限公司 | Power storage control method, intelligent home controller and storage medium |
-
2012
- 2012-07-04 CN CN 201220320456 patent/CN202771201U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108958054A (en) * | 2018-07-23 | 2018-12-07 | 长沙理工大学 | Open-source type intelligent home energy management system integrating model prediction |
| CN110888331A (en) * | 2019-11-26 | 2020-03-17 | 星络智能科技有限公司 | Power storage control method, intelligent home controller and storage medium |
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Granted publication date: 20130306 Termination date: 20140704 |
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