CN201449419U - Solar battery pack electric meter - Google Patents
Solar battery pack electric meter Download PDFInfo
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- CN201449419U CN201449419U CN 200920046688 CN200920046688U CN201449419U CN 201449419 U CN201449419 U CN 201449419U CN 200920046688 CN200920046688 CN 200920046688 CN 200920046688 U CN200920046688 U CN 200920046688U CN 201449419 U CN201449419 U CN 201449419U
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- chip microcomputer
- solar battery
- converter
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Abstract
A solar battery pack electric meter relates to the solar photovoltaic technical field and a measuring apparatus. The electric meter comprises a voltage acquisition circuit, a current acquisition circuit, an A/D converter, a single chip microcomputer, an electric work data memorizer and a power supply. By adopting the microprocessor technology, the utility model continuously acquires and displays the voltage and current supplied by a solar photovoltaic system, figures out the power and the generated electric energy (electric work) at any moment and accumulates and stores the generated electric energy (electric work) under the management and control of the single chip microcomputer. People can continuously and intuitively follow the state of the solar photovoltaic system and accurately judge the generated electric energy and the state of a battery pack.
Description
Technical field
The utility model relates to the solar-photovoltaic technology field, also relates to a kind of gauging instrument.
Background technology
Photovoltaic is that the solar battery group generating is used more and more widely.Governments at all levels have also further strengthened the dynamics of encouraging and support photovoltaic.What has but a concrete solar energy photovoltaic system such as a solar street light, such as the application system of a solar battery group, sent out on earth? neither one measuring apparatus accurately also; Moreover whether solar battery group itself has begun to break down makes the electricity generation efficiency variation, also can't know.Up to now, the generating effect of photovoltaic is only rested in the estimation, just utilize the peak power number of meteorological lighting delay number, solar cell to estimate generated energy.And be to be based upon solar battery group to have under the prerequisite of the full-amount generating of useful life in more than 20 year substantially.Its result's is extensive, in fact can not statistics more accurately be arranged to solar energy photovoltaic system.Actual conditions but are, weather has localized variation, enveloped in mist be everlasting expect outside, solar panel also has the quality superiority and inferiority, the attenuation that also can wear out descends original generated output.
The utility model content
The utility model purpose is a kind of watt-hour meter that the solar energy photovoltaic system generated energy is measured of design, to react solar energy power generating efficient objectively.
The utility model comprises the voltage collection circuit that is connected with solar battery group respectively, the current acquisition circuit, also comprise A/D converter, one chip microcomputer, electric work data-carrier store and power supply, the output terminal of described power supply connects A/D converter respectively, one chip microcomputer and electric work data-carrier store, described voltage collection circuit and the output terminal of current acquisition circuit are connected the input end of A/D converter respectively, described A/D converter is connected with described one chip microcomputer, described one chip microcomputer is connected with the electric work data-carrier store, connects display module on one chip microcomputer.
The utility model adopts microprocessor technology, under one chip microcomputer management and control, the voltage and current that continuous acquisition and demonstration solar energy photovoltaic system are confessed calculates power and generated energy (electric work) at any time, and with generated energy (electric work) accumulative total and preservation.People can be continuously the state of tracking solar photovoltaic system intuitively, the quality of generated energy and electric battery is made accurate judgement.Power supply of the present utility model can directly be taken from solar energy photovoltaic system, need not additional power source and internal battery, and is very easy to use.Special function design, make the utility model in the design of solar energy photovoltaic system, to provide the most direct help to the designer, help them to understand the generating effect of selected solar battery group intuitively, understand the working condition of designed photovoltaic system intuitively.
Display module described in the utility model comprises voltage display module, electric current display module, power display module and electric work display module.Above each display module of the utility model can independent split screen setting, also can be combined into screen to be provided with.
A/D converter described in the utility model, electric work data-carrier store can be set up separately, also can be arranged in the one chip microcomputer.
In addition, the utility model also comprises automatic reset circuit, and described automatic reset circuit is connected between the input end and one chip microcomputer of solar battery group, voltage collection circuit.Purpose is in order to guarantee that watt-hour meter can adapt to the actual conditions of solar battery group, the work of one chip microcomputer to be carried out smoothly.
Description of drawings
Fig. 1 is a kind of structured flowchart of the present utility model.
Fig. 2 is a kind of circuit theory diagrams of the present utility model.
Fig. 3 is another kind of circuit theory diagrams of the present utility model.
Embodiment
As shown in Figure 1:
1, the power supply 1 of watt-hour meter is directly taken from solar battery group 12, and one the tunnel supplies A/D converter 4, one chip microcomputer 5, electric work data-carrier store 6 and each display 7,8,9,10 behind voltage stabilizing one-tenth+5V; Another road and conversion goes out-6V confession precision amplifier, is used to handle the less current data acquisition signal behind voltage stabilizing one-tenth+6V.13 are load among the figure.
2, voltage collection circuit 2 usefulness electric resistance partial pressure modes obtain voltage data from solar battery group, send into A/D converter 4 after filtering clutter and degree of accuracy adjustment.
3, current acquisition circuit 3 is after obtaining the less current signal from solar battery group on the shunt, is amplified to the circuit that can enter A/D converter 4 through precision amplifier, and same, it also has the filtering clutter and degree of accuracy is adjusted function.
4, A/D converter 4 carries out the conversion of simulating signal to digital signal to voltage data and current data under the control of one chip microcomputer 5.
5,5 pairs of A/D converters of one chip microcomputer 4 are implemented control, and the digital signal of the voltage and current that obtains is handled, and obtain power and electric work data.
One chip microcomputer 5 is also controlled LCD, and voltage, electric current, power, electric work data in real time are presented on the LCD.Each display module can independent split screen setting, also can be combined into screen to be provided with.
One chip microcomputer 5 also with electric work data long preservation in EEPROM.
6, electric work data-carrier store 6 is a kind of Electrically Erasable Read Only Memory EEPROM, can online modification data and long preservation data, be fit to very much do the electric work data-carrier store.
7, in order to guarantee that watt-hour meter can adapt to the actual conditions of solar battery group, the work of one chip microcomputer 5 can be carried out smoothly, the utility model has designed an automatic reset circuit 11 especially, and automatic reset circuit is connected between the input end and one chip microcomputer 5 of solar battery group, voltage collection circuit 2.
As shown in Figure 2:
1, power supply is directly taken from solar battery group, and one the tunnel supplies A/D converter, one chip microcomputer, electric work data-carrier store and each display behind V2, C0, R10, V3, C1, D1, R1, RP1, C2 voltage stabilizing one-tenth+5V; Another road also goes out-6V confession precision amplifier through D3, C6, C7 conversion behind C0, R10, V3, C4, D2, C5 voltage stabilizing one-tenth+6V, is used to handle the less current data acquisition signal.
2, voltage collection circuit obtains voltage data with the electric resistance partial pressure mode, by solar cell+utmost point, sends into A/D converter through R2, R3, RP2, C3.
3, the current acquisition circuit is after obtaining the less current signal on the shunt R0, is amplified to the circuit that can enter A/D converter through precision amplifier D4 and R6, R4, R5, RP3, R7, R8, RP4, C9.
4, A/D converter carries out the conversion of simulating signal to digital signal in the inside of one chip microcomputer D5 to voltage data and current data.
5, one chip microcomputer is implemented control to A/D converter, and the digital signal of the voltage and current that obtains is handled, and obtains power and electric work data.
One chip microcomputer is also controlled LCD D6, and voltage, electric current, power, electric work data in real time are presented on the LCD.
One chip microcomputer also with electric work data long preservation in EEPROM.
6, the electric work data-carrier store is a kind of Electrically Erasable Read Only Memory EEPROM in one chip microcomputer D5 inside, can online modification data and long preservation data, be fit to very much do the electric work data-carrier store.
7, in order to guarantee that watt-hour meter can adapt to the actual conditions of solar battery group, the utility model has designed automatic reset circuit S1, a V1 especially, and the work of one chip microcomputer can be carried out smoothly.
As shown in Figure 3:
1, power supply is directly taken from solar battery group, and one the tunnel supplies A/D converter, one chip microcomputer, electric work data-carrier store and each display behind V2, C0, R10, V3, C1, D1, R1, RP1, C2 voltage stabilizing one-tenth+5V; Another road also goes out-6V confession precision amplifier through D3, C6, C7 conversion behind C0, R10, V3, C4, D2, C5 voltage stabilizing one-tenth+6V, is used to handle the less current data acquisition signal.
2, voltage collection circuit obtains voltage data with the electric resistance partial pressure mode, by solar cell+utmost point, through R2, R3, RP2, C3, sends into A/D converter D11 through analog switch D10 again.
3, the current acquisition circuit is after obtaining the less current signal on the shunt R0, amplifies after analog switch D10 enters A/D converter D11 through precision amplifier D4 and R6, R4, R5, RP3, R7, R8, RP4, C9.
4, A/D converter D11 carries out the conversion of simulating signal to digital signal to voltage data and current data.
5, one chip microcomputer D5 implements control to A/D converter, and the digital signal of the voltage and current that obtains is handled, and obtains power and electric work data.
One chip microcomputer is also to LCD D6, D7, and D8, D9 controls, and voltage, electric current, power, electric work data in real time are presented on the LCD.
One chip microcomputer also with electric work data long preservation in EEPROM D12.
6, electric work data-carrier store D12 is a kind of Electrically Erasable Read Only Memory EEPROM, can online modification data and long preservation data, be fit to very much do the electric work data-carrier store.
7, in order to guarantee that watt-hour meter can adapt to the actual conditions of solar battery group, the utility model has designed an automatic reset circuit S1 especially, and V1 can carry out the work of one chip microcomputer smoothly.
Claims (4)
1. solar battery pack electric meter is characterized in that comprising the voltage collection circuit, the current acquisition circuit that are connected with solar battery group respectively, also comprises A/D converter, one chip microcomputer, electric work data-carrier store and power supply; The output terminal of described power supply connects A/D converter, one chip microcomputer and electric work data-carrier store respectively, described voltage collection circuit and the output terminal of current acquisition circuit are connected the input end of A/D converter respectively, described A/D converter is connected with described one chip microcomputer, described one chip microcomputer is connected with the electric work data-carrier store, connects display module on one chip microcomputer.
2. according to the described solar battery pack electric meter of claim 1, it is characterized in that described display module comprises voltage display module, electric current display module, power display module and electric work display module.
3. according to the described solar battery pack electric meter of claim 1, it is characterized in that described A/D converter, electric work data-carrier store are separately positioned in the one chip microcomputer.
4. according to the described solar battery pack electric meter of claim 1, it is characterized in that also comprising automatic reset circuit, described automatic reset circuit is connected between the input end and one chip microcomputer of solar battery group, voltage collection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920046688 CN201449419U (en) | 2009-06-19 | 2009-06-19 | Solar battery pack electric meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920046688 CN201449419U (en) | 2009-06-19 | 2009-06-19 | Solar battery pack electric meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449419U true CN201449419U (en) | 2010-05-05 |
Family
ID=42554140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920046688 Expired - Fee Related CN201449419U (en) | 2009-06-19 | 2009-06-19 | Solar battery pack electric meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263426A (en) * | 2010-05-28 | 2011-11-30 | 索尼公司 | Solar power-generating equipment |
-
2009
- 2009-06-19 CN CN 200920046688 patent/CN201449419U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263426A (en) * | 2010-05-28 | 2011-11-30 | 索尼公司 | Solar power-generating equipment |
| CN102263426B (en) * | 2010-05-28 | 2016-06-08 | 索尼公司 | Device of solar generating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20110619 |