CN218040852U - High-power solar multifunctional protection charge and discharge controller - Google Patents
High-power solar multifunctional protection charge and discharge controller Download PDFInfo
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- CN218040852U CN218040852U CN202221890784.6U CN202221890784U CN218040852U CN 218040852 U CN218040852 U CN 218040852U CN 202221890784 U CN202221890784 U CN 202221890784U CN 218040852 U CN218040852 U CN 218040852U
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Abstract
The utility model discloses a high-power solar energy multi-functional protection charge-discharge controller, controller including electric connection solar photovoltaic board, battery and lighting device, the controller mainly includes input control circuit, half-bridge drive IC, inductance, load output circuit, high-low level converting circuit, four ways two input schmitt trigger IC chip, LED control circuit, voltage sampling circuit, NTC control circuit, crystal oscillation circuit, burn record interface circuit, LCD display control circuit, MCU control circuit, the filter electricity unites, output overflows short-circuit protection circuit, input voltage detection and control circuit, voltage stabilizing circuit, output overflow short-circuit sampling circuit, DC/DC step-down circuit, solar energy and battery input voltage control circuit, DC/DC step-up circuit, three-terminal voltage stabilizing circuit, 6A peak value list output MOSFET driver and MOS pipe drive voltage provide the circuit, each control circuit and MCU control circuit electric connection. The utility model discloses realize automatic control, safe high-efficient drive.
Description
Technical Field
The utility model relates to a photovoltaic power generation technical field particularly, relates to a high-power solar energy multi-functional protection charge-discharge controller.
Background
A high-power solar multifunctional protection charge-discharge controller is an environment-friendly charging device which charges power-using equipment such as a power box, a storage battery and lighting equipment by using a solar photovoltaic panel through a controller. The solar energy is mainly converted into electric energy, then an output line led out from a solar photovoltaic panel is connected with the positive electrode and the negative electrode of a solar photovoltaic panel end of a controller, a battery end of the controller is connected with the positive electrode and the negative electrode of a storage battery, and a load end of the controller is connected with the positive electrode and the negative electrode of electric equipment such as a power box or lighting equipment, so that the environment-friendly charging device for supplying power to the electric equipment such as the power box, the storage battery and the lighting equipment by the solar panel through the controller is achieved. Most of controller products in the market at present realize charging through the controller, but are limited by that the traditional controller can only carry out high-voltage protection and low-voltage protection, and if a user connects a battery reversely or a load reversely, the electric equipment can have bad phenomena such as short circuit and the like, so that the bad phenomena such as heating, burning loss and the like of the electric equipment are caused. The power consumption is increased gradually along with the increasingly powerful functions of consumer electronic products, the battery capacity is increased limitedly, the charging frequency is increased more and more, most controller charging products commonly used in the market are charged through a direct connection circuit of the controller, the product technologies take charging voltage improvement as a basic means, the problems of high power loss caused by voltage conversion, high-voltage charging generated in the charging process, low-voltage discharging, high heat productivity in the charging process of the power products, poor universality and the like exist, only high-voltage protection and low-voltage protection can be performed, reverse short-circuit protection such as reverse battery connection, reverse load connection and the like cannot be performed timely, the power loss of the product in the charging process is large, the heat productivity is large, the product cannot resist high temperature, and the service life is short.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-power solar energy multi-functional protection charge-discharge controller to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a high-power solar multifunctional protection charge-discharge controller comprises a controller electrically connected with a solar photovoltaic panel, a storage battery and a lighting device, wherein the controller mainly comprises an input control circuit, a half-bridge drive IC, an inductor, a load output circuit, a high-low level conversion circuit, a four-way two-input Schmitt trigger IC chip, an LED control circuit, a voltage sampling circuit, an NTC control circuit, a crystal oscillation circuit, a burning interface circuit, an LCD display control circuit, an MCU control circuit, a filter electricity union body, an output overcurrent short-circuit protection circuit, an input voltage detection and control circuit, a voltage stabilizing circuit, an output overcurrent short-circuit sampling circuit, a DC/DC voltage reducing circuit, a solar energy and battery input voltage control circuit, a DC/DC voltage boosting circuit, a three-terminal voltage stabilizing circuit, a 6A peak value single-output MOSFET driver and an MOS tube drive voltage supply circuit, and each control circuit is electrically connected with the MCU control circuit.
Furthermore, an output line led out of the solar photovoltaic panel is connected with the positive electrode and the negative electrode of the solar photovoltaic panel end of the controller, the battery end of the controller is connected with the positive electrode and the negative electrode of the storage battery, and the load end of the controller is connected with the positive electrode and the negative electrode of the lighting device.
Further, the output overcurrent short-circuit protection circuit is electrically connected with the lighting equipment.
Further, the input voltage detection and control circuit is electrically connected with a storage battery.
Compared with the prior art, the utility model discloses following beneficial effect has:
first, compared with the conventional controller, the high-power solar multifunctional protection charge-discharge controller solves the problems of setting of protection voltage, output current, output time interval and output power of the conventional photovoltaic controller.
Second, compare in traditional controller, this high-power solar energy multi-functional protection charge-discharge controller has solved the setting of conventional photovoltaic controller line loss compensation, heat dissipation.
Third, compared with the conventional controller, the high-power solar multifunctional protection charge-discharge controller solves the problem of setting the charging mode of the conventional photovoltaic controller.
Fourthly, compare in traditional controller, this high-power solar energy multi-functional protection charge-discharge controller adopts high-speed STM32Fl03 singlechip, has improved the performance and the control speed of controller, has solved the slow defect of original controller reaction rate.
Fifthly, the product application is enhanced by adding the automatic 12V/24V identification function, and two paths of USB output are provided, wherein one path is 5VlA; one path is 5V2A, and the defect that the output of the original controller is single is overcome.
Sixth, by promoting high pressure (overcharge) protection: when the charging voltage is higher than the protection voltage, the storage battery is charged by automatic turn-off, then when the voltage drops to the maintenance voltage, the storage battery enters a floating charge state, and when the voltage is lower than the recovery voltage, the floating charge is closed, and the storage battery enters a uniform charge state, so that the defect that the high-voltage protection voltage range of the original controller is too large is overcome.
Seventh, by promoting low voltage (over-discharge) protection: when the voltage of the storage battery is lower than the protection voltage, the controller automatically closes the output to protect the storage battery from being damaged; when the storage battery is charged again, the power supply can be automatically recovered, and the defect that the low-voltage protection voltage range of the original controller is too large is overcome.
Eighth, through having increased load overcurrent and short-circuit protection: after the load current exceeds 10A or the load is short-circuited, the fuse wire is fused and can be continuously used after being replaced, so that the inevitable influences that the original controller has no load reverse connection protection, and the load power utilization equipment is damaged when a user makes a fault reverse connection are solved.
Ninth, by adding overvoltage protection: when the voltage is too high, the output is automatically closed, the electric appliance is protected from being damaged, and a fault alarm function is provided, so that relevant measures are taken.
Tenth, through increasing the anti-reverse charge circuit, adopt the MOS pipe to prevent reverse charging, reduce the self-loss of circuit, raise the efficiency, prevent that the battery from charging to solar cell.
Eleventh, by adding a lightning protection function: when lightning strikes, the piezoresistor can prevent the lightning strikes and protect the controller from being damaged.
Twelfth, through the addition of the reverse connection protection of the solar photovoltaic panel: the polarity of the solar photovoltaic panel is reversed, and the solar photovoltaic panel can be continuously used after being corrected, so that the inevitable influences that the original controller has no reverse connection protection of the solar photovoltaic panel, and the solar photovoltaic panel is damaged when a user makes a mistake for reverse connection are avoided.
Thirteenth, through adding the reverse connection protection of the storage battery: the polarity of the storage battery is reversed, the fuse wire is fused, and the storage battery can be continuously used after being replaced, so that the inevitable influences that the original controller has no reverse connection protection of the storage battery, the battery is damaged when a user fails to perform reverse connection, and the like are avoided.
Fourteenth, by adding battery open circuit protection: in case of open circuit of the storage battery, if the solar battery is normally charged, the controller limits the voltage at two ends of the load to ensure that the load is not damaged, and if the solar battery is not charged at night, the controller cannot obtain power and does not have any action.
Fifteenth, by adding a self-test: the controller can perform self-checking when the controller is affected by natural factors or misoperated by human beings.
Sixthly, the recovery interval is added for overcharge or overdischarge protection, so that the load operation jitter caused by self-recovery of a line resistor or a battery is avoided.
Seventeenth, by adding temperature compensation: the temperature of the battery is monitored, and the charge and discharge values are corrected so that the battery operates in an ideal state.
Eighteenth, by adding light control: when the environment is bright enough, the controller automatically closes the load output; and when the environment becomes dark, the load is automatically started to realize the function of automatic control, thereby overcoming the defect that the load of the original controller needs a manual controller.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a system diagram of a high-power solar multifunctional protection charge-discharge controller according to an embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of a system of a high-power solar multifunctional protection charge-discharge controller according to an embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of a control portion of a high-power solar multifunctional protection charge and discharge controller according to an embodiment of the present invention.
Fig. 4 is a schematic circuit diagram of a comparative part of a high-power solar multifunctional protection charge-discharge controller according to an embodiment of the present invention.
Fig. 5 is a schematic circuit diagram of a power supply portion of a high-power solar multifunctional protection charge-discharge controller according to an embodiment of the present invention.
Reference numerals are as follows:
1. the device comprises a controller 2, a solar photovoltaic panel 3, a storage battery 4, a lighting device 5, an input control circuit 6, a half-bridge drive IC7, an inductor 8, a load output circuit 9, a high-low level conversion circuit 10, a four-way two-input Schmitt trigger IC chip 11, an LED control circuit 12, a voltage sampling circuit 13, an NTC control circuit 14, a crystal oscillation circuit 15, a burning interface circuit 16, an LCD display control circuit 17, an MCU control circuit 18, a filter electric coupler 19, an output overcurrent short-circuit protection circuit 20, an input voltage detection and control circuit 21, a voltage stabilizing circuit 22, an output overcurrent short-circuit sampling circuit 23, a DC/DC voltage reducing circuit 24, a solar energy and battery input voltage control circuit 25, a DC/DC voltage boosting circuit 26, a three-terminal voltage stabilizing circuit 27, a 6A peak value single-output MOSFET driver 28 and a MOS tube drive voltage supply circuit.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
please refer to fig. 1-5, according to the utility model discloses a high-power solar energy multifunctional protection charge-discharge controller, controller 1 including electric connection solar photovoltaic board 2, battery 3 and lighting device 4, controller 1 mainly includes input control circuit 5, half-bridge drive IC6, inductance 7, load output circuit 8, high-low level converting circuit 9, four ways two input schmitt trigger IC chip 10, LED control circuit 11, voltage sampling circuit 12, NTC control circuit 13, crystal oscillation circuit 14, burn record interface circuit 15, LCD display control circuit 16, MCU control circuit 17, filtering electricity federation complex 18, output short-circuit protection circuit 19, input voltage detection and control circuit 20, voltage stabilizing circuit 21, output overcurrent short-circuit sampling circuit 22, DC/DC voltage reduction circuit 23, solar energy and battery input voltage control circuit 24, DC/DC boost circuit 25, three-terminal 26, 6A peak value single output MOSFET driver 27 and MOS pipe drive voltage provide circuit 28, each control circuit and control circuit electric connection with the control circuit.
When the sunlight is sufficient, the solar photovoltaic panel generates current and voltage under the action of the sunlight, then an output line led out from the solar photovoltaic panel is connected with the positive electrode and the negative electrode of the solar photovoltaic panel end of the controller, the battery end of the controller is connected with the positive electrode and the negative electrode of the storage battery, and the load end of the controller is connected with the positive electrode and the negative electrode of the power supply box or the electrical equipment such as lighting equipment, so that the environment-friendly charging device for supplying power to the electrical equipment such as the power supply box, the storage battery and the lighting equipment by the solar panel through the controller is achieved. The high-power solar multifunctional protection charge-discharge controller solves the problems of setting of protection voltage, output current, output time interval and output power of the conventional photovoltaic controller; the line loss compensation and heat dissipation of the conventional photovoltaic controller are realized; the charging mode setting of the conventional photovoltaic controller is solved; the high-power solar multifunctional protection charge-discharge controller adopts a high-speed STM32Fl03 single chip microcomputer, so that the performance and the control speed of the controller are improved, and the defect that the reaction speed of the original controller is slow is overcome; by adding the automatic 12V/24V identification function, the product application is enhanced, and two paths of USB output are provided, wherein one path is 5VlA; one path is 5V2A, so that the defect of single output of the original controller is overcome; by promoting high pressure (overcharge) protection: when the charging voltage is higher than the protection voltage, the storage battery is automatically turned off to be charged, then when the voltage drops to the maintenance voltage, the storage battery enters a floating charge state, and when the voltage is lower than the recovery voltage, the floating charge is turned off and enters a uniform charge state, so that the defect that the high-voltage protection voltage range of the original controller is too large is overcome; by promoting low voltage (over-discharge) protection: when the voltage of the storage battery is lower than the protection voltage, the controller automatically closes the output to protect the storage battery from being damaged; when the storage battery is charged again, the power supply can be automatically recovered, and the defect that the low-voltage protection voltage range of the original controller is too large is overcome; by adding load overcurrent and short circuit protection: after the load current exceeds 10A or the load is short-circuited, the fuse wire is fused, and can be continuously used after being replaced, so that the inevitable influences that the original controller has no load reverse connection protection, and the load power utilization equipment is damaged when a user makes a fault reverse connection are solved; by adding overvoltage protection: when the voltage is too high, the output is automatically closed, the electric appliance is protected from being damaged, and a fault alarm function is performed to take relevant measures; by adding the anti-reverse charging circuit and adopting the MOS tube to prevent reverse charging, the self-loss of the circuit is reduced, the efficiency is improved, and the storage battery is prevented from charging the solar battery; through having increased the lightning protection function: when lightning stroke occurs, the piezoresistor can prevent the lightning stroke and protect the controller from being damaged; through having increased the reverse protection that connects of solar photovoltaic board: the polarity of the solar photovoltaic panel is reversed, and the solar photovoltaic panel can be continuously used after being corrected, so that the inevitable influences that the solar photovoltaic panel is damaged when a user mistakenly reversely connects and the like because the original controller has no reverse connection protection of the solar photovoltaic panel are solved; by adding the reverse connection protection of the storage battery: the polarity of the storage battery is connected reversely, the fuse wire is fused, and the storage battery can be continuously used after being replaced, so that the inevitable influences that the original controller has no reverse connection protection of the storage battery, the battery is damaged when a user fails to perform reverse connection, and the like are solved; by adding the open circuit protection of the battery: in case of an open circuit of the storage battery, if the solar battery is normally charged, the controller limits the voltage at two ends of the load so as to ensure that the load is not damaged, and if the solar battery is not charged at night, the controller cannot have any action due to the fact that the controller cannot obtain electric power per se; by adding self-checking: when the controller is influenced by natural factors or is not operated properly by people, the controller can carry out self-checking; by increasing the recovery interval, which is the recovery interval for overcharge or overdischarge protection, the load working jitter caused by self-recovery of line resistance or a battery is avoided; by adding temperature compensation: monitoring the temperature of the battery, and correcting the charge and discharge value to ensure that the battery works in an ideal state; by adding light control: when the environment is bright enough, the controller automatically closes the load output; and the load is automatically started when the environment becomes dark so as to realize the function of automatic control, so the controller has wide application prospect.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The controller mainly comprises an input control circuit, a half-bridge drive IC, an inductor, a load output circuit, a high-low level conversion circuit, a four-way two-input Schmitt trigger IC chip, an LED control circuit, a voltage sampling circuit, an NTC control circuit, a crystal oscillation circuit, a burning interface circuit, an LCD display control circuit, an MCU control circuit, a filter electricity union body, an output overcurrent short-circuit protection circuit, an input voltage detection and control circuit, a voltage stabilizing circuit, an output overcurrent short-circuit sampling circuit, a DC/DC voltage reduction circuit, a solar energy and battery input voltage control circuit, a DC/DC voltage boosting circuit, a three-terminal voltage stabilizing circuit, a 6A peak value single-output MOSFET driver and an MOS tube drive voltage supply circuit, wherein each control circuit is electrically connected with the MCU control circuit.
2. The high-power solar multifunctional protection charge-discharge controller according to claim 1, wherein the output line from the solar photovoltaic panel is connected to the positive and negative electrodes of the solar photovoltaic panel end of the controller, the battery end of the controller is connected to the positive and negative electrodes of the storage battery, and the load end of the controller is connected to the positive and negative electrodes of the lighting device.
3. The high-power solar multifunctional protection charge and discharge controller according to claim 1, wherein the output overcurrent short-circuit protection circuit is electrically connected with a lighting device.
4. The high-power solar multifunctional protection charge-discharge controller according to claim 1, wherein the input voltage detection and control circuit is electrically connected with a storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221890784.6U CN218040852U (en) | 2022-07-21 | 2022-07-21 | High-power solar multifunctional protection charge and discharge controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221890784.6U CN218040852U (en) | 2022-07-21 | 2022-07-21 | High-power solar multifunctional protection charge and discharge controller |
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| Publication Number | Publication Date |
|---|---|
| CN218040852U true CN218040852U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221890784.6U Active CN218040852U (en) | 2022-07-21 | 2022-07-21 | High-power solar multifunctional protection charge and discharge controller |
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| CN (1) | CN218040852U (en) |
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2022
- 2022-07-21 CN CN202221890784.6U patent/CN218040852U/en active Active
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