CN201910633U - Environmental data acquisition system - Google Patents
Environmental data acquisition system Download PDFInfo
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- CN201910633U CN201910633U CN2010206689867U CN201020668986U CN201910633U CN 201910633 U CN201910633 U CN 201910633U CN 2010206689867 U CN2010206689867 U CN 2010206689867U CN 201020668986 U CN201020668986 U CN 201020668986U CN 201910633 U CN201910633 U CN 201910633U
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- storage battery
- acquisition unit
- power supply
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Abstract
An environmental data acquisition system comprises an input unit, an output display unit, a power supply unit, a data acquisition unit and a data transmission unit. The input unit, the output display unit, the data acquisition unit and the data transmission unit are connected with the power supply unit and are powered by the power supply unit, the input unit, the output display unit and the data transmission unit are respectively connected with the data acquisition unit, the power supply unit comprises a photovoltaic battery panel, a storage battery and a storage battery charging control circuit for controlling charge and discharge of the storage battery, the electric quantity of the storage battery is provided by the photovoltaic battery panel, the data acquisition unit comprises an energy data acquirer with a CPU (central processing unit) and an A/D (analogue/digital) acquisition unit connected with the energy data acquirer, and the A/D acquisition unit realizes digital and analogue conversion of environmental analogue data and then outputs environmental digital data to the energy data acquirer. The environmental data acquisition system adopts the photovoltaic battery panel to be utilized as a power source to charge the storage battery, can be unattended, is stable and environment-friendly in power supply property and is a solar energy application of novel energy sources.
Description
Technical field
The utility model belongs to a kind of data acquisition system, is specifically related to a kind of environmental data acquisition system.
Background technology
At present in weather monitoring system, steel mill's energy management system, photovoltaic generating system, wind generator system, various can source datas and environmental data be much to detect data need gather and be transferred to long-range engineer monitoring station, but often existing, these occasions do not have the power supply unit, power supply is arranged but need many situations such as rewiring, often just need to use storage battery power supply in actual applications, so just replacing battery that need be artificial and to numerous and diverse work such as charge in batteries.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of environmental data acquisition system that carries power supply capacity and system stability.
For solving the problems of the technologies described above, the utility model is by the following technical solutions: a kind of environmental data acquisition system, comprise input unit, output display unit, power supply unit, data acquisition unit and data transmission unit, input unit, output display unit, data acquisition unit and data transmission unit all are connected with power supply unit, provide electric weight by power supply unit; Input unit, output display unit are connected respectively at data acquisition unit with data transmission unit, described power supply unit comprises the storage battery charge control circuit of photovoltaic battery panel, storage battery and control accumulator cell charging and discharging, and the electric weight of storage battery is provided by photovoltaic battery panel; Data acquisition unit comprises the energy data acquisition unit of being with CPU, is connected the A/D collecting unit with energy data acquisition unit, and the A/D collecting unit is transported to energy data acquisition unit after the analogue data of environment is carried out digital to analog conversion.
Be provided with data storage in the energy data acquisition unit of best described data acquisition unit.
Described storage battery charge control circuit can comprise voltage comparator circuit, current comparator circuit, the positive pole of photovoltaic battery panel is connected in the positive pole of storage battery through diode, and the negative pole of photovoltaic battery panel is connected in the negative pole of storage battery through first resistance and electronic switch; The control end of electronic switch is connected with the output of voltage comparator circuit and current comparator circuit, control electronic switch jointly by voltage comparator circuit and current comparator circuit, the input of voltage comparator is connected in the negative pole of diode, and the input of current comparator is connected in the tie point of first resistance and electronic switch.
Adopt the environmental data acquisition system of technique scheme, because of it adopts photovoltaic battery panel storage battery is charged as power supply, can realize unattended operation, its power supply performance is stable, environmental protection, is the novel energy Application of Solar Energy.If be provided with data storage in the energy data acquisition unit of data acquisition unit, then can prevent the loss of data that causes because of power down or data transmission fault etc.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the functional-block diagram of a kind of embodiment of the utility model.
Fig. 2 is the circuit diagram of power supply unit and data acquisition unit among Fig. 1.
Embodiment
As shown in Figure 1 and Figure 2, a kind of embodiment of the utility model environmental data acquisition system comprises input unit, output display unit, power supply unit, data acquisition unit and data transmission unit.Input unit, output display unit, data acquisition unit and data transmission unit are connected with power supply unit as the load circuit of power supply unit, provide electric weight by power supply unit; Input unit, output display unit are connected respectively at data acquisition unit with data transmission unit.
Described power supply unit comprises the storage battery charge control circuit of photovoltaic battery panel, storage battery and control accumulator cell charging and discharging, and the electric weight of storage battery is provided by photovoltaic battery panel.Storage battery charge control circuit mainly be the control charging and discharging of accumulator and and energy data acquisition unit control the use of electric weight alternately.The storage battery charge control circuit present embodiment adopts the negative feedback control circuit of comparator with voltage, current comparator.The positive pole of photovoltaic battery panel is connected in the positive pole of storage battery through diode D3, and the negative pole of solar energy is connected in the negative pole of storage battery through first resistance R 5 and electronic switch; The control end of electronic switch is connected with the output of voltage comparator circuit and current comparator circuit, control electronic switch Q1 jointly by voltage comparator circuit and current comparator circuit, the input of voltage comparator circuit is connected in the negative pole of diode D3, and the input of current comparator circuit is connected in the tie point of first resistance R 5 and electronic switch Q1.Because of adopting hardware circuit fully, builds power supply unit, no outer CPU control, and its charging and discharging of accumulator does not all need the intervention of follow-up load C PU, significantly reduced the expense of CPU in the follow-up load, and antijamming capability is strong, and the power supply power supply is stable, dependable performance.
Data acquisition unit comprises the energy data acquisition unit of being with CPU, is connected the A/D collecting unit with energy data acquisition unit.Energy data acquisition unit is mainly finished the collection of various data and it is transferred to host computer, and described A/D collecting unit is transported to energy data acquisition unit to ambient temperature, intensity of illumination, ambient humidity, the strong isoparametric collection of wind and after changing.Be provided with data storage in the energy data acquisition unit of present embodiment data acquisition unit, with the loss of data that prevents to cause because of power down or data transmission fault etc.
Data transmission unit is mainly realized the remote transmission of data, to be transferred to host computer for information about, keep supplying a machine operation personnel and use, it can adopt remote data transmission modes such as GPRS/ radio, is transferred in the server of host computer by modes such as GPRS/ radio; Each engineer substation can be accepted server data as required, carries out various operations.Described demonstration output module, the keyboard input module is connected with energy data acquisition unit respectively, mainly is in order to realize man-machine interaction.
Claims (3)
1. environmental data acquisition system, it is characterized in that: comprise input unit, output display unit, power supply unit, data acquisition unit and data transmission unit, input unit, output display unit, data acquisition unit and data transmission unit all are connected with power supply unit, provide electric weight by power supply unit; Input unit, output display unit are connected respectively at data acquisition unit with data transmission unit, described power supply unit comprises the storage battery charge control circuit of photovoltaic battery panel, storage battery and control charge in batteries, and the electric weight of storage battery is provided by photovoltaic battery panel; Data acquisition unit comprises the energy data acquisition unit of being with CPU, is connected the A/D collecting unit with energy data acquisition unit, and the A/D collecting unit is transported to energy data acquisition unit after the analogue data of environment is carried out digital to analog conversion.
2. environmental data acquisition system according to claim 1 is characterized in that: be provided with data storage in the energy data acquisition unit of described data acquisition unit.
3. environmental data acquisition system according to claim 1 and 2, it is characterized in that: described storage battery charge control circuit comprises voltage comparator circuit, current comparator circuit, the positive pole of photovoltaic battery panel is connected in the positive pole of storage battery through diode, and the negative pole of photovoltaic battery panel is connected in the negative pole of storage battery through first resistance and electronic switch; The control end of electronic switch is connected with the output of voltage comparator circuit and current comparator circuit, control electronic switch jointly by voltage comparator circuit and current comparator circuit, the input of voltage comparator is connected in the negative pole of diode, and the input of current comparator is connected in the tie point of first resistance and electronic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206689867U CN201910633U (en) | 2010-12-20 | 2010-12-20 | Environmental data acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206689867U CN201910633U (en) | 2010-12-20 | 2010-12-20 | Environmental data acquisition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201910633U true CN201910633U (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206689867U Expired - Fee Related CN201910633U (en) | 2010-12-20 | 2010-12-20 | Environmental data acquisition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201910633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647415A (en) * | 2017-01-23 | 2017-05-10 | 新奥科技发展有限公司 | Energy control management system and method |
-
2010
- 2010-12-20 CN CN2010206689867U patent/CN201910633U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647415A (en) * | 2017-01-23 | 2017-05-10 | 新奥科技发展有限公司 | Energy control management system and method |
| CN106647415B (en) * | 2017-01-23 | 2019-04-02 | 新奥科技发展有限公司 | A kind of energy control management system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |