CN215264462U - Photovoltaic site selection device based on singlechip - Google Patents
Photovoltaic site selection device based on singlechip Download PDFInfo
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Abstract
The utility model provides a pair of photovoltaic site selection device based on singlechip, include: the system comprises an illumination acquisition module, a microcontroller, a clock module, a wireless communication module, a GPRS module, a power supply module and a power supply control module; the output end of the illumination acquisition module is connected with the input end of the microcontroller; the microcontroller is bidirectionally connected with the clock module; the microcontroller is in bidirectional communication connection with the wireless communication module and the GPRS module respectively; the control end of the microcontroller is respectively connected with the voltage output control end of the power supply module and the voltage output control end of the power supply control module; the voltage output end of the power supply module is respectively connected with the power supply ends of the illumination acquisition module, the microcontroller, the wireless communication module, the GPRS module and the clock module; the output end of the power supply control module is respectively connected with the power supply ground ends of the illumination acquisition module, the microcontroller, the wireless communication module and the GPRS module; the utility model discloses beneficial effect with low-power consumption is applicable to photovoltaic site selection field.
Description
Technical Field
The utility model relates to a technical field of photovoltaic site selection, concretely relates to photovoltaic site selection device based on singlechip.
Background
Photovoltaic power generation belongs to the category of clean energy, is the clean energy with the widest application range at present, and is a power generation mode for converting solar irradiation into electric energy. By effectively selecting the site of the solar photovoltaic power station, the power generation efficiency and profit of the photovoltaic power station can be improved, the development of the photovoltaic industry is accelerated, and the aims of 'carbon peak reaching' and 'carbon neutralization' of the nation 3060 are promoted to be realized.
At present, research on photovoltaic site selection mainly focuses on two aspects, one is a site selection device used in a hardware level research and development field and used for providing field data for photovoltaic site selection, and the other is a photovoltaic site selection method based on the field data researched in a theoretical level.
Such as: the university of Shanxi's science and engineering discloses a photovoltaic power station site selection measuring device with the patent application number of 201910364786.8, and the scheme adopts a large-capacity battery for power supply, can collect a plurality of parameters such as illumination intensity, temperature, longitude and latitude, time and the like, and solves the problem that reference historical data and meteorological data are not detailed in the site selection process;
liuyuan red and other people in China academy of Electrical sciences establish a distributed power source site selection and volume fixing method by taking small network loss and maximum investment benefit as a target optimization function; however, the device for the research has large power consumption, and the field illumination intensity cannot be acquired for a long time, and the research method is mainly researched on a theoretical level and needs accurate data acquisition of the field illumination intensity acquisition device as a support.
In addition, the stability of on-site photovoltaic data transmission is also an important consideration for designing the photovoltaic site selection device.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists in the correlation technique, the utility model discloses the technical problem that will solve lies in: the photovoltaic site selection device based on the single chip microcomputer and operated with low power consumption is provided.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a photovoltaic site selection device based on a single chip microcomputer comprises: the system comprises an illumination acquisition module, a microcontroller, a clock module, a wireless communication module, a GPRS module, a power supply module and a power supply control module; the output end of the illumination acquisition module is electrically connected with the input end of the microcontroller; the microcontroller is in bidirectional electrical connection with the clock module; the microcontroller is in bidirectional communication connection with the wireless communication module and the GPRS module respectively; the control end of the microcontroller is respectively and electrically connected with the voltage output control end of the power supply module and the voltage output control end of the power supply control module; the voltage output end of the power supply module is respectively and electrically connected with the power supply end of the illumination acquisition module, the power supply end of the microcontroller, the power supply end of the wireless communication module, the power supply end of the GPRS module and the power supply end of the clock module; the output end of the power supply control module is respectively electrically connected with the power supply ground end of the illumination acquisition module, the power supply ground end of the microcontroller, the power supply ground end of the wireless communication module and the power supply ground end of the GPRS module.
Preferably, the method further comprises the following steps: the display screen module and the key module; the input end of the display screen module is electrically connected with the output end of the microcontroller, and the power supply end of the display screen module is electrically connected with the voltage output end of the power supply module; the grounding end of the display screen module is electrically connected with the output end of the power supply control module; and the output end of the key module is electrically connected with the input end of the microcontroller.
Preferably, the power supply module includes: the button battery is connected with the lithium battery pack; the circuit structure of the power supply conversion circuit is as follows: the method comprises the following steps: a power conversion chip U61 and a power conversion chip U62;
a pin IN of the power conversion chip U61 is electrically connected with one end of a capacitor C611 IN parallel and then is electrically connected with a 6.0V power output end of the lithium battery pack, and the other end of the capacitor C611 is grounded; a pin SHDN of the power conversion chip U61 is connected with a control end of the microcontroller, a pin SENSE of the power conversion chip U61 is connected with a pin OUT of the power conversion chip U61 in parallel, one end of a capacitor C612 is electrically connected with a +3.3V voltage output end of the power conversion chip U61, and the other end of the capacitor C612 is grounded; a pin GND of the power conversion chip U61 is grounded; the +3.3V voltage output end of the power conversion chip U61 is respectively and electrically connected with the power supply end of the illumination acquisition module, the power supply end of the microcontroller, the power supply end of the GPRS module and the power supply end of the display screen module;
a pin IN of the power conversion chip U62 is electrically connected with one end of a capacitor C621 IN parallel and then is electrically connected with a 6.0V power output end of the lithium battery pack, and the other end of the capacitor C621 is grounded; a pin SHDN of the power conversion chip U62 is connected with a control end of the microcontroller, a pin SENSE of the power conversion chip U62 is connected with a pin OUT of the power conversion chip U62 in parallel, one end of a capacitor C622 is electrically connected with a +5.0V voltage output end of the power conversion chip U62, and the other end of the capacitor C622 is grounded; a pin GND of the power conversion chip U62 is grounded; the +5.0V voltage output end of the power conversion chip U62 is electrically connected with a power supply end of the wireless communication module; and the +3V voltage output end of the button battery is electrically connected with the power supply end of the clock module.
Preferably, the power control module includes: resistor R71 and FET D71; one end of the resistor R71 is connected with the voltage output control end of the power control module, the output end of the microcontroller is connected, the other end of the resistor R71 is connected with the grid G of the field-effect tube D71, and the drain D of the field-effect tube D71 is connected with the output end of the power control module; the source S of the field effect transistor D71 is grounded.
Preferably, the microcontroller is a single chip microcomputer U21 with model MSP430F149, the wireless communication module includes a communication chip U41, a SIM card and peripheral circuits thereof, the GPRS module includes a Beidou positioning chip U51, the clock module includes a clock chip U31, the display screen module includes an OLED display screen U81, and the illumination collection module includes: a sensor U11;
the pin P3.6 of the singlechip U21 and the pin P3.7 of the singlechip U21 are respectively and correspondingly connected with the pin UART1_ RX of the communication chip U41 and the pin UART1_ TX of the communication chip U41; a pin VSIM of the communication chip U41, a pin VSIM _ DATA of the communication chip U41, a pin VSIM _ CLK of the communication chip U41 and a pin VSIM _ RST of the communication chip U41 are respectively connected with the SIM card and peripheral circuits thereof; the VIN end of the pin of the communication chip U41 is electrically connected with the +5.0V voltage output end of the power conversion chip U62; the pin GND of the communication chip U41 is grounded after being connected with the output end of the power control module in parallel;
the pin P3.5 of the single chip microcomputer U21, the pin P3.4 of the single chip microcomputer U21, the pin P3.0 of the single chip microcomputer U21, the pin P3.3 of the single chip microcomputer U21 and the pin P3.1 of the single chip microcomputer U21 are respectively connected with a pin TXD of a Beidou positioning chip U51, a pin RXD of a Beidou positioning chip U51, a pin WAKE _ UP of a Beidou positioning chip U51, a pin V _ BCKP of the Beidou positioning chip U51 and a pin RESET _ of a Beidou positioning chip U51 correspondingly, a pin VCC of the Beidou positioning chip U51 is connected with a +3.3V voltage output end of a power supply conversion chip U61, a pin V _ BCKP of the Beidou positioning chip U51 is connected with a 3V button cell in series and then grounded, and a pin GND of the Beidou positioning chip U51 is connected with an output end of a power supply control module and then grounded;
a pin P2.2 of the single chip microcomputer U21, a pin P2.1 of the single chip microcomputer U21 and a pin P2.0 of the single chip microcomputer U21 are respectively connected with a pin SCLK of a clock chip U31, a pin IO of the clock chip U31 and a pin of a clock chip U31 correspondingly, a pin X1 of the clock chip U31 is connected with a crystal oscillator X31 in series and then connected with a pin X2 of a clock chip U31, a pin VCC2 of the clock chip U31 is connected with a +3V voltage output end of a button cell, a pin VCC1 of the clock chip U31 is connected with a capacitor C31 in series and then grounded, and a GND end of the clock chip U31 is grounded;
the pin P4.0 of the single chip microcomputer U21, the pin P4.1 of the single chip microcomputer U21, the pin P4.2 of the single chip microcomputer U21, the pin P4.3 of the single chip microcomputer U21 and the pin P4.4 of the single chip microcomputer U21 are respectively and correspondingly connected with the pin D0 of the OLED display screen U81, the pin D1 of the OLED display screen U81, the pin RES of the OLED display screen U81, the pin DC of the OLED display screen U81 and the pin CS of the OLED display screen U81, the pin VCC of the OLED display screen U81 is connected with the +3.3V voltage output end of the power conversion chip U61, and the pin GND of the OLED display screen U81 is connected with the output end of the power control module in parallel and then grounded;
pin P5.6 of singlechip U21, pin P5.7 of singlechip U21 correspond respectively and link to each other with pin SDA of sensor U11, pin SCL of sensor U11, pin VCC of sensor U11 links to each other with the +3.3V voltage output end of power conversion chip U61, pin GND of sensor U11 connects ground behind the output that power control module, pin ADDR ground connection of sensor U11.
Preferably, the model of the field effect transistor D71 is CJ3400, and the field effect transistor D71 is an N-channel switching MOS transistor; the model of the communication chip U41 is WH-LTE-7S4V2, and the model of the Beidou positioning chip U51 is L76K; the model of the sensor U11 is BH 1750; the model of the clock chip U31 is DS 1302.
The utility model has the advantages of:
the utility model relates to a photovoltaic site selection device based on singlechip, include: the voltage output end of the power supply module is respectively and electrically connected with the power supply end of the illumination acquisition module, the power supply end of the microcontroller, the power supply end of the wireless communication module, the power supply end of the GPRS module and the power supply end of the clock module; the output end of the power supply control module is respectively and electrically connected with the power supply ground end of the illumination acquisition module, the power supply ground end of the microcontroller, the power supply ground end of the wireless communication module and the power supply ground end of the GPRS module; in the utility model, the control end of the microcontroller is respectively electrically connected with the voltage output control end of the power module and the voltage output control end of the power control module, so that the power module and the power control module provide or cut off power supply for other modules according to the control signal of the microcontroller; therefore, the purpose of reducing the operation power of the whole device is achieved, and the low-power operation of the whole device is realized;
and simultaneously, the utility model discloses in, can convey the historical illumination intensity data that longitude and latitude, clock module's that the GPRS module was gathered, illumination collection module gathered to outside main website end server through wireless communication module, reached the stable transmission of data, the practicality is strong.
Drawings
Fig. 1 is a schematic circuit structure diagram of a photovoltaic site selection device based on a single chip microcomputer of the present invention;
fig. 2 is a circuit connection diagram of the power module of the present invention;
FIG. 3 is a circuit diagram of the power control module of the present invention;
fig. 4 is a circuit connection diagram of the wireless communication module of the present invention;
fig. 5 is a circuit connection diagram of the GPRS module according to the present invention;
fig. 6 is a circuit diagram of the clock module of the present invention;
fig. 7 is a circuit diagram of the display panel module according to the present invention;
fig. 8 is a circuit connection diagram of the illumination collection module of the present invention;
in the figure: the system comprises a lighting acquisition module 1, a microcontroller 2, a clock module 3, a wireless communication module 4, a GPRS module 5, a power module 6, a power control module 7, a display screen module 8 and a key module 9, wherein the lighting acquisition module is arranged on the display screen module;
41 is SIM card and its peripheral circuit;
61 is a lithium battery pack, 62 is a button battery, and 63 is a power conversion circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
An embodiment of the present invention is described in detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1, a photovoltaic site selection device based on a single chip microcomputer comprises: the system comprises an illumination acquisition module 1, a microcontroller 2, a clock module 3, a wireless communication module 4, a GPRS module 5, a power supply module 6 and a power supply control module 7;
the output end of the illumination acquisition module 1 is electrically connected with the input end of the microcontroller 2;
the microcontroller 2 is in bidirectional electric connection with the clock module 3;
the microcontroller 2 is in bidirectional communication connection with the wireless communication module 4 and the GPRS module 5 respectively;
the control end of the microcontroller 2 is respectively and electrically connected with the voltage output control end of the power supply module 6 and the voltage output control end of the power supply control module 7;
the voltage output end of the power supply module 6 is respectively and electrically connected with the power supply end of the illumination acquisition module 1, the power supply end of the microcontroller 2, the power supply end of the wireless communication module 4, the power supply end of the GPRS module 5 and the power supply end of the clock module 3;
the output end of the power control module 7 is electrically connected with the power ground end of the illumination acquisition module 1, the power ground end of the microcontroller 2, the power ground end of the wireless communication module 4 and the power ground end of the GPRS module 5 respectively.
Specifically, photovoltaic addressing device based on singlechip in this embodiment still includes: a display screen module 8 and a key module 9;
the input end of the display screen module 8 is electrically connected with the output end of the microcontroller 2, and the power supply end of the display screen module 8 is electrically connected with the voltage output end of the power supply module 6; the grounding end of the display screen module 8 is electrically connected with the output end of the power supply control module 7;
the output end of the key module 9 is electrically connected with the input end of the microcontroller 2.
When the illumination acquisition module 1 is used in the embodiment, the illumination acquisition module 1 can be connected with an analog I2C interface of the microcontroller 2, the clock module 3 is connected with a first analog SPI interface of the microcontroller 2, the display screen module 8 is connected with a second analog SPI interface of the microcontroller 2, the GPRS module 5 is connected with a first serial port interface of the microcontroller 2, and the wireless communication module 4 is connected with a second serial port interface of the microcontroller 2; a power supply control module 7 for realizing low power consumption control is added among the illumination acquisition module 1, the display screen module 8, the GPRS module 5, the wireless communication module 4 and the power supply module 6.
Specifically, in this embodiment, the GPRS module 5 is configured to acquire longitude and latitude, the clock module 3 is configured to provide clock data, and the illumination acquisition module 1 is configured to acquire illumination intensity data.
The photovoltaic site selection device based on singlechip that this embodiment provided includes: the voltage output end of the power supply module 6 is respectively and electrically connected with the power supply end of the illumination acquisition module 1, the power supply end of the microcontroller 2, the power supply end of the wireless communication module 4, the power supply end of the GPRS module 5 and the power supply end of the clock module 3; the output end of the power control module 7 is electrically connected with the power ground end of the illumination acquisition module 1, the power ground end of the microcontroller 2, the power ground end of the wireless communication module 4 and the power ground end of the GPRS module 5 respectively; in this embodiment, the control terminal of the microcontroller 2 is electrically connected to the voltage output control terminal of the power module 6 and the voltage output control terminal of the power control module 7, respectively, so that the power module 6 and the power control module 7 provide/cut off power supply to other modules according to the control signal of the microcontroller 2; therefore, the purpose of reducing the operation power of the whole device is achieved, and the low-power operation of the whole device is realized;
and simultaneously, the utility model discloses in, can convey the longitude and latitude that GPRS module 5 gathered, clock module 3's clock data, the historical illumination intensity data that illumination collection module 1 gathered to outside main website end server through wireless communication module 4, reached the stable transmission of data, the practicality is strong.
As shown in fig. 2 and 3, in this embodiment, the power module 6 includes: a lithium battery pack 61, a button battery 62 and a power conversion circuit 63.
Specifically, the circuit structure of the power conversion circuit 63 is: the method comprises the following steps: a power conversion chip U61 and a power conversion chip U62;
a pin IN of the power conversion chip U61 is electrically connected with one end of a capacitor C611 IN parallel and then is electrically connected with the 6.0V power output end of the lithium battery pack 61, and the other end of the capacitor C611 is grounded; a pin SHDN of the power conversion chip U61 is connected with a control end of the microcontroller 2, a pin SENSE of the power conversion chip U61 is connected with a pin OUT of the power conversion chip U61 in parallel, one end of a capacitor C612 is electrically connected with a +3.3V voltage output end of the power conversion chip U61, and the other end of the capacitor C612 is grounded; a pin GND of the power conversion chip U61 is grounded; the +3.3V voltage output end of the power conversion chip U61 is respectively and electrically connected with the power supply end of the illumination acquisition module 1, the power supply end of the microcontroller 2, the power supply end of the GPRS module 5 and the power supply end of the display screen module 8;
a pin IN of the power conversion chip U62 is electrically connected with one end of a capacitor C621 IN parallel and then is electrically connected with a 6.0V power output end of the lithium battery pack 61, and the other end of the capacitor C621 is grounded; a pin SHDN of the power conversion chip U62 is connected with a control end of the microcontroller 2, a pin SENSE of the power conversion chip U62 is connected with a pin OUT of the power conversion chip U62 in parallel, one end of a capacitor C622 is electrically connected with a +5.0V voltage output end of the power conversion chip U62, and the other end of the capacitor C622 is grounded; a pin GND of the power conversion chip U62 is grounded; the +5.0V voltage output end of the power conversion chip U62 is electrically connected with the power supply end of the wireless communication module 4;
the +3V voltage output end of the button battery 62 is electrically connected with the power supply end of the clock module 3.
In this embodiment, the lithium battery pack 61 may be formed by connecting 4-node edlep 1.5V rechargeable lithium batteries in series, and provides 6.0V input power for the power conversion chip U61 and the power conversion chip U62.
The power conversion chip U61 adopts a controllable power conversion chip of LT1129-3.3 model, realizes conversion from 6.0V input voltage to +3.3V output voltage by connecting with the lithium battery pack 61, and provides power for the illumination acquisition module 1, the microcontroller 2, the GPRS module 5 and the display screen module 8.
The power conversion chip U62 adopts a controllable power conversion chip of LT1129-5.0 type to realize the conversion from 6.0V voltage to +5.0V voltage and provide power for the wireless communication module 4; specifically, the pin SHDN of the power conversion chip U62 is connected to the control terminal of the microcontroller 2, when the I/O signal output by the control terminal of the microcontroller 2 is at a high level, the power conversion chip U62 provides output power to the wireless communication module 4, and when the I/O signal is at a low level, the power conversion chip U62 stops outputting power to the wireless communication module 4, thereby achieving the purpose of reducing the overall operating power of the device.
Further, the power supply control module 7 includes: resistor R71 and FET D71; one end of the resistor R71 is connected with the voltage output control end of the power control module 7, the output end of the microcontroller 2 is connected, the other end of the resistor R71 is connected with the grid G of the field-effect tube D71, and the drain D of the field-effect tube D71 is connected with the output end of the power control module 7; the source S of the field effect transistor D71 is grounded.
In this embodiment, the model of the fet D71 is CJ3400, and the fet D71 is an N-channel switching MOS transistor.
In this embodiment, the voltage output control end of the whole power control module 7 is the control end of the microcontroller 2, when the I/O signal output by the control end of the microcontroller 2 is at a high level, the source S and the drain D of the field effect transistor D71 are conducted, and the power control module 7 and the power conversion circuit 63 jointly provide power for the illumination acquisition module 1, the display screen module 8 and other modules; when the I/O signal output by the control terminal of the microcontroller 2 is at a low level, the source S and the drain D of the fet D71 are turned off, and the power supply to the illumination collection module 1 and the display screen module 8 is stopped, thereby realizing power consumption control of each module of the device.
Example two
On the basis of the first embodiment, the photovoltaic address selecting device based on the single chip microcomputer provided by the second embodiment is characterized in that the microcontroller 2 is the single chip microcomputer U21 with the model number of MSP430F149, the wireless communication module 4 comprises a communication chip U41, a SIM card and a peripheral circuit 41 thereof, the GPRS module 5 comprises a beidou positioning chip U51, the clock module 3 comprises a clock chip U31, the display screen module 8 comprises an OLED display screen U81, and the illumination acquisition module 1 comprises: sensor U11.
Specifically, the model of the communication chip U41 is WH-LTE-7S4V2, and the pin P3.6 of the single chip microcomputer U21 and the pin P3.7 of the single chip microcomputer U21 are respectively connected with the pin UART1_ RX of the communication chip U41 and the pin UART1_ TX of the communication chip U41 in a corresponding manner; a pin VSIM of the communication chip U41, a pin VSIM _ DATA of the communication chip U41, a pin VSIM _ CLK of the communication chip U41 and a pin VSIM _ RST of the communication chip U41 are respectively connected with the SIM card and the peripheral circuit 41 thereof; the VIN end of the pin of the communication chip U41 is electrically connected with the +5.0V voltage output end of the power conversion chip U62; a pin GND of the communication chip U41 is connected with the output end of the power control module 7 in parallel and then grounded; a pin P3.6 of the single chip microcomputer U21 and a pin P3.7 of the single chip microcomputer U21 are second serial ports of the microcontroller 2 in the first embodiment; the microcontroller 2 sends the illumination intensity data to the communication chip U41 (through a pin P3.6 of the singlechip U21 and a pin P3.7 of the singlechip U21), so that the communication chip U41 transmits the illumination intensity data to the server at the end of the optical external master station.
Furthermore, the type of the big dipper positioning chip U51 is L76K, the pin P3.5 of the single chip microcomputer U21, the pin P3.4 of the single chip microcomputer U21, the pin P3.0 of the single chip microcomputer U21, the pin P3.3 of the single chip microcomputer U21, and the pin P3.1 of the single chip microcomputer U21 are respectively connected with the pin TXD of the big dipper positioning chip U51, the pin RXD of the big dipper positioning chip U51, the pin WAKE _ UP of the big dipper positioning chip U51, the pin V _ BCKP of the big dipper positioning chip U51, and the pin RESET _ of the big dipper positioning chip U51, the pin VCC of the big dipper positioning chip U51 is connected with the +3.3V voltage output terminal of the power conversion chip U61, the pin V _ BCKP of the big dipper positioning chip U51 is connected with the 3V button cell in series and then grounded, and the pin GND _ BCKP of the big dipper positioning chip U51 is connected with the output terminal of the power control module 7 in parallel and then grounded;
in this embodiment, a pin GND of the beidou positioning chip U51 is connected with a power ground through the power control module 7, a pin TXD of the beidou positioning chip U51 is connected with a pin P3.5 of the single chip microcomputer U21 (an RX end of a first serial port of the microcontroller 2), a pin RXD of the beidou positioning chip U51 is connected with a pin P3.4 of the single chip microcomputer U21 (a TX end of the first serial port of the microcontroller 2), a pin wake _ UP of the beidou positioning chip U51 is connected with a pin P3.0 of the single chip microcomputer U21 for mode control, a pin VCC of the beidou positioning chip U51 is connected with a +3.3V voltage output end of the power conversion chip U61, and a pin RESET _ N of the beidou positioning chip U51 is connected with a pin P3 of the single chip microcomputer U21 for mode control301For module reset; in this embodiment, the microcontroller 2 obtains the geographic position through serial port communication.
Furthermore, the model of the clock chip U31 is DS1302, the pin P2.2 of the single chip microcomputer U21, the pin P2.1 of the single chip microcomputer U21, and the pin P2.0 of the single chip microcomputer U21 are respectively connected to the pin SCLK of the clock chip U31, the pin IO of the clock chip U31, and the pin of the clock chip U31, the pin X1 of the clock chip U31 is connected in series with the crystal oscillator X31 and then connected to the pin X2 of the clock chip U31, the pin VCC2 of the clock chip U31 is connected to the +3V voltage output terminal of the button battery 62, the pin VCC1 of the clock chip U31 is connected in series with the capacitor C31 and then grounded, and the GND terminal of the clock chip U31 is grounded; the crystal oscillator X31 is a crystal oscillator connected to 32.768kHz and used for providing a reference frequency of a clock, and a pin VCC1 of a clock chip U31 is connected with a power ground through a capacitor C31 and used for filtering high-frequency interference in input voltage.
Furthermore, a pin P4.0 of the single chip microcomputer U21, a pin P4.1 of the single chip microcomputer U21, a pin P4.2 of the single chip microcomputer U21, a pin P4.3 of the single chip microcomputer U21, and a pin P4.4 of the single chip microcomputer U21 are respectively connected with a pin D0 of the display screen U81, a pin D1 of the OLED display screen U81, a pin RES of the OLED display screen U81, a pin DC of the OLED display screen U81, and a pin CS of the OLED display screen U81, respectively, a pin VCC of the OLED display screen U81 is connected with a +3.3V voltage output end of the power conversion chip U61, and a pin GND of the OLED display screen U81 is connected in parallel with an output end of the power control module 7 and then grounded; the OLED display screen U81 can adopt a mesoscape electronic 0.96-inch OLED screen and is mainly used for displaying current illumination intensity data and device parameters;
a pin GND of the OLED display screen U81 is connected with a power ground through a power control module 7;
the singlechip U21 and the OLED display screen U81 are communicated in an SPI analog mode, pins D0, D1, RES, DC and CS of the OLED display screen U81 are respectively connected with common I/O pins P4.0, P4.1, P4.2, P4.3 and P4.4 of the singlechip U21, and the OLED display screen U81 is opened only when a screen is used and is in a closed state under normal conditions; in order to reduce the overall power consumption, the power control module 7 is added into the hardware of the embodiment to control the power consumption of the OLED display screen U81.
Furthermore, the model of the sensor U11 is BH1750, the pin P5.6 of the single chip microcomputer U21 and the pin P5.7 of the single chip microcomputer U21 are respectively connected to the pin SDA of the sensor U11 and the pin SCL of the sensor U11, the pin VCC of the sensor U11 is connected to the +3.3V voltage output terminal of the power conversion chip U61, the pin GND of the sensor U11 is grounded after being connected to the output terminal of the power control module 7 in parallel, and the pin ADDR of the sensor U11 is grounded.
In conclusion, the microcontroller is connected with the power supply module and the power supply control module, so that the power supply module and the power supply control module provide/cut off power supply for other modules according to the control signal of the microcontroller, the purpose of reducing the running power of the whole device is achieved, low-power-consumption running of the whole device is realized, and the practicability is high.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A photovoltaic site selection device based on a single chip microcomputer comprises: illumination collection module (1), its characterized in that: further comprising: the system comprises a microcontroller (2), a clock module (3), a wireless communication module (4), a GPRS module (5), a power supply module (6) and a power supply control module (7);
the output end of the illumination acquisition module (1) is electrically connected with the input end of the microcontroller (2);
the microcontroller (2) is in bidirectional electrical connection with the clock module (3);
the microcontroller (2) is in bidirectional communication connection with the wireless communication module (4) and the GPRS module (5) respectively;
the control end of the microcontroller (2) is respectively and electrically connected with the voltage output control end of the power supply module (6) and the voltage output control end of the power supply control module (7);
the voltage output end of the power supply module (6) is respectively and electrically connected with the power supply end of the illumination acquisition module (1), the power supply end of the microcontroller (2), the power supply end of the wireless communication module (4), the power supply end of the GPRS module (5) and the power supply end of the clock module (3);
the output end of the power control module (7) is respectively electrically connected with the power ground end of the illumination acquisition module (1), the power ground end of the microcontroller (2), the power ground end of the wireless communication module (4) and the power ground end of the GPRS module (5).
2. The photovoltaic addressing device based on the single chip microcomputer according to claim 1, characterized in that: further comprising: a display screen module (8) and a key module (9);
the input end of the display screen module (8) is electrically connected with the output end of the microcontroller (2), and the power supply end of the display screen module (8) is electrically connected with the voltage output end of the power supply module (6); the grounding end of the display screen module (8) is electrically connected with the output end of the power supply control module (7);
the output end of the key module (9) is electrically connected with the input end of the microcontroller (2).
3. The photovoltaic addressing device based on the single chip microcomputer according to claim 2, characterized in that: the power supply module (6) comprises: the device comprises a lithium battery pack (61), a button battery (62) and a power supply conversion circuit (63);
the circuit structure of the power conversion circuit (63) is as follows: the method comprises the following steps: a power conversion chip U61 and a power conversion chip U62;
a pin IN of the power conversion chip U61 is electrically connected with one end of a capacitor C611 IN parallel and then is electrically connected with a 6.0V power output end of the lithium battery pack (61), and the other end of the capacitor C611 is grounded; a pin SHDN of the power conversion chip U61 is connected with a control end of the microcontroller (2), a pin SENSE of the power conversion chip U61 is connected with a pin OUT of the power conversion chip U61 in parallel, one end of a capacitor C612 is electrically connected with a +3.3V voltage output end of the power conversion chip U61, and the other end of the capacitor C612 is grounded; a pin GND of the power conversion chip U61 is grounded;
the +3.3V voltage output end of the power conversion chip U61 is respectively and electrically connected with the power supply end of the illumination acquisition module (1), the power supply end of the microcontroller (2), the power supply end of the GPRS module (5) and the power supply end of the display screen module (8);
a pin IN of the power conversion chip U62 is electrically connected with one end of a capacitor C621 IN parallel and then is electrically connected with a 6.0V power output end of the lithium battery pack (61), and the other end of the capacitor C621 is grounded; a pin SHDN of the power conversion chip U62 is connected with a control end of the microcontroller (2), a pin SENSE of the power conversion chip U62 is connected with a pin OUT of the power conversion chip U62 in parallel, one end of a capacitor C622 is electrically connected with a +5.0V voltage output end of the power conversion chip U62, and the other end of the capacitor C622 is grounded; a pin GND of the power conversion chip U62 is grounded;
the +5.0V voltage output end of the power conversion chip U62 is electrically connected with a power supply end of the wireless communication module (4);
and the +3V voltage output end of the button battery (62) is electrically connected with the power supply end of the clock module (3).
4. The photovoltaic addressing device based on the single chip microcomputer according to claim 1, characterized in that: the power supply control module (7) comprises: resistor R71 and FET D71;
one end of the resistor R71 is connected with a voltage output control end of the power supply control module (7), an output end of the microcontroller (2) is connected, the other end of the resistor R71 is connected with a grid G of the field-effect tube D71, and a drain D of the field-effect tube D71 is connected with an output end of the power supply control module (7); the source S of the field effect transistor D71 is grounded.
5. The photovoltaic addressing device based on the single chip microcomputer according to claim 3, characterized in that: microcontroller (2) is singlechip U21 that the model is MSP430F149, wireless communication module (4) include communication chip U41 and SIM card and peripheral circuit (41) thereof, GPRS module (5) include big dipper location chip U51, clock module (3) include clock chip U31, display screen module (8) include OLED display screen U81, illumination collection module (1) includes: a sensor U11;
the pin P3.6 of the singlechip U21 and the pin P3.7 of the singlechip U21 are respectively and correspondingly connected with the pin UART1_ RX of the communication chip U41 and the pin UART1_ TX of the communication chip U41; a pin VSIM of the communication chip U41, a pin VSIM _ DATA of the communication chip U41, a pin VSIM _ CLK of the communication chip U41 and a pin VSIM _ RST of the communication chip U41 are respectively connected with the SIM card and a peripheral circuit (41) thereof; the VIN end of the pin of the communication chip U41 is electrically connected with the +5.0V voltage output end of the power conversion chip U62; a pin GND of the communication chip U41 is connected with the output end of the power control module (7) in parallel and then is grounded;
the pin P3.5 of the single chip microcomputer U21, the pin P3.4 of the single chip microcomputer U21, the pin P3.0 of the single chip microcomputer U21, the pin P3.3 of the single chip microcomputer U21 and the pin P3.1 of the single chip microcomputer U21 are respectively connected with a pin TXD of a Beidou positioning chip U51, a pin RXD of a Beidou positioning chip U51, a pin WAKE _ UP of a Beidou positioning chip U51, a pin V _ BCKP of the Beidou positioning chip U51 and a pin RESET _ of a Beidou positioning chip U51 correspondingly, a pin VCC of the Beidou positioning chip U51 is connected with a +3.3V voltage output end of a power supply conversion chip U61, a pin V _ BCKP of the Beidou positioning chip U51 is connected with a 3V button cell in series and then grounded, and a pin GND of the Beidou positioning chip U51 is connected with an output end of a power supply and then grounded;
a pin P2.2 of the single chip microcomputer U21, a pin P2.1 of the single chip microcomputer U21 and a pin P2.0 of the single chip microcomputer U21 are respectively connected with a pin SCLK of a clock chip U31, a pin IO of the clock chip U31 and a pin of a clock chip U31 correspondingly, a pin X1 of the clock chip U31 is connected with a crystal oscillator X31 in series and then connected with a pin X2 of a clock chip U31, a pin VCC2 of the clock chip U31 is connected with a +3V voltage output end of a button cell (62), a pin VCC1 of the clock chip U31 is connected with a capacitor C31 in series and then grounded, and a GND end of the clock chip U31 is grounded;
the pin P4.0 of the single chip microcomputer U21, the pin P4.1 of the single chip microcomputer U21, the pin P4.2 of the single chip microcomputer U21, the pin P4.3 of the single chip microcomputer U21 and the pin P4.4 of the single chip microcomputer U21 are respectively and correspondingly connected with the pin D0 of the OLED display screen U81, the pin D1 of the OLED display screen U81, the pin RES of the OLED display screen U81, the pin DC of the OLED display screen U81 and the pin CS of the OLED display screen U81, the pin VCC of the OLED display screen U81 is connected with the +3.3V voltage output end of the power conversion chip U61, and the pin GND of the OLED display screen U81 is connected with the output end of the power control module (7) in parallel and then grounded;
pin P5.6 of singlechip U21, pin P5.7 of singlechip U21 correspond respectively and link to each other with pin SDA of sensor U11, pin SCL of sensor U11, pin VCC of sensor U11 links to each other with the +3.3V voltage output end of power conversion chip U61, pin GND of sensor U11 connects ground behind the output that power control module (7), pin ADDR ground connection of sensor U11.
6. The photovoltaic addressing device based on the single chip microcomputer according to claim 4, wherein: the model of the field-effect tube D71 is CJ3400, and the field-effect tube D71 is an N-channel switch MOS tube.
7. The photovoltaic addressing device based on the single chip microcomputer according to claim 5, wherein: the model of the communication chip U41 is WH-LTE-7S4V2, and the model of the Beidou positioning chip U51 is L76K.
8. The photovoltaic addressing device based on the single chip microcomputer according to claim 5, wherein: the sensor U11 is model BH 1750.
9. The photovoltaic addressing device based on the single chip microcomputer according to claim 5, wherein: the model of the clock chip U31 is DS 1302.
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| CN202121848844.3U CN215264462U (en) | 2021-08-09 | 2021-08-09 | Photovoltaic site selection device based on singlechip |
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| CN202121848844.3U CN215264462U (en) | 2021-08-09 | 2021-08-09 | Photovoltaic site selection device based on singlechip |
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