TWM631331U - Solar energy protection system - Google Patents

Abstract

The invention discloses a Solar Energy Protection System which comprises a solar panel, a handheld or fixed wireless device, a wireless router, a wireless base station, a cloud server and computer equipment. Solar modules convert solar energy into electricity provided power source to the wireless control protection module. Electric energy is controlled by the wireless control protection module. A short-circuit accident occurs in any part of the connecting cable. The wireless control protection module can immediately cut off the solar power to achieve the function of protecting the solar system. Handheld or fixed wireless devices can be used in the event of a tire in the external environment of the solar system. Solar Energy Protection System is through the wireless control protection module to immediately cut off each piece of solar power to achieve the function of immediately protecting.

Description

solar protection system

The new model relates to a solar protection system.

FIG. 1 is a schematic diagram of a solar energy system of the prior art. As shown in Figure 1, the solar panel (1) contains a solar module (12) that can output electrical energy. The solar system is composed of multiple solar panels (1) connected in series, and the multiple solar panels (1) pass through the positive connector ( Cable included) (13) and negative connector (including cable) (14) are connected in series to the inverter (2); the inverter (2) receives the DC voltage from the multiple solar panels (1) and converts it Convert it into AC voltage and output it to the power system AC (3); the length of the positive cable and the negative cable on the solar panel (1) is about 1 meter long, and it is about 2 meters long after being connected in series, and the solar panel (1) is connected in series. The length of the cable to the inverter (2) is as high as several tens of meters. The solar energy system is composed of multiple groups of solar panels connected in series and multiple groups of inverters (2), so the number of cables is as high as dozens, and the cables are subjected to high voltage , high current, high temperature and long-term use or short-circuit burning of broken skin caused by animal bites, the solar module (12) only needs to continuously provide short-circuit current under sunlight, so the short-circuit burning continues, and the DC current arc is not easy to break and Dangerous, leading to burning until all cables are burnt out, or even the original building, the solar energy system of the previous technology has no improved function; in addition, the function of the solar energy system is working normally, but the original building was caused by various natural and man-made disasters. Fire, firefighters at this time Arriving at the scene, the voltage of the building where the solar energy system operates, the voltage is as high as 1000 volts, the firefighters are in danger of electric shock, and disaster relief is difficult, and the solar energy system of the previous technology has no improved function.

Therefore, the present invention proposes a solar protection system to solve the problems caused by the prior art, aiming at the above shortcomings.

The present invention provides a solar protection system, which can monitor the voltage and current generated by the solar panel (1) at any time, and wirelessly control the protection module (11) when the voltage and current generated by the solar panel (1) are abnormal. To prevent the positive connection line and the negative connection line between the solar panels from generating voltage to avoid disasters, the power output of the solar panel (1) can also be controlled through a handheld or fixed wireless device to protect the solar energy system and the safety of firefighters .

In one embodiment of the present invention, a solar protection system is provided, which includes at least one solar panel, at least one wireless control protection module mounted on the solar panel, at least one handheld or fixed wireless device, at least one wireless router, at least one wireless router. A wireless base station, at least one cloud server, and one computer equipment. Each solar panel includes a solar module and a wireless control protection module. The solar module converts solar energy into electrical energy and provides power to the wireless control protection module. The electrical energy is controlled by the wireless control protection module, and the electrical energy is protected by the wireless control. The module is transmitted to the positive and negative connection terminals (including cables) of the solar panel, and the solar panel is connected in series to the required power conditions through the connection terminals, so as to provide enough power for the inverter to be input to the large power system to complete the solar power transmission. ; The control signal of the handheld or fixed wireless device transmits radio waves through the antenna, which is connected to the antenna of the wireless router through the wireless network (Wifi), and the wireless router that receives the signal is connected to the wireless control protection module through the wireless network (Wifi). The antenna of the wireless control protection module that receives the signal can control the power transmission of the solar module through the circuit; the detection data of the wireless control protection module transmits radio waves through the antenna, which is connected to the antenna of the wireless router through the wireless network (Wifi). , the wireless router receiving the signal is connected to the cloud server through the network line, the web browser on the computer device The address is consistent with the address of the cloud server, the computer equipment accesses the data of the cloud server, and the cloud server and computer equipment receiving the signal record the power data returned by the wireless control protection module as the management data of the solar energy system; another The path is the control signal of the handheld or fixed wireless device to transmit radio waves through the antenna, which is connected to the antenna of the wireless base station through the wireless network (4G, 5G), and the wireless base station receiving the signal is connected to the cloud server through the network line. The server is connected to the wireless router through the network line, the wireless router that receives the signal is connected to the antenna of the wireless control protection module through the wireless network (Wifi), and the wireless control protection module that receives the signal can control the power transmission of the solar module through the circuit , in order to achieve the purpose of remote monitoring.

In one embodiment of the present invention, the wireless control protection module includes a plurality of semiconductor power switches, a current detection resistor, a voltage detection resistor, a voltage divider resistor, a set of three bypass diode strings, a Positive input voltage terminal, a positive output voltage terminal, a negative input voltage terminal, a negative output voltage terminal, a step-down circuit C and its output voltage VCC, a wireless control circuit and its antenna, a data processing circuit, a reset circuit , Another step-down circuit D and its output voltage VDD, a short-circuit protection circuit, a manual protection circuit; the semiconductor power switch drain is connected to the negative output voltage terminal and the short-circuit protection circuit, and the source is connected to the current detection resistor and data processing Circuit, the gate of the semiconductor power switch is connected to the short circuit protection circuit and the manual protection circuit, the other end of the current detection resistor is connected to the negative input voltage terminal, the short circuit protection circuit and the manual protection circuit input terminal is connected to the output terminal of the reset circuit, the reset circuit The input end is connected to the output end of the wireless control circuit, and the other input end of the manual protection circuit is connected to the other output end of the wireless control circuit. The wireless control circuit includes a set of antennas. The wireless control circuit and the data processing circuit are connected by bus bars. Connected to the voltage detection resistor and the voltage divider resistor, the other end of the voltage divider resistor is connected to the positive input voltage terminal, and the positive input voltage terminal is connected to the step-down circuit C and the step-down voltage respectively. Circuit D, the output voltage VCC of the step-down circuit C is connected to the wireless control circuit and the data processing circuit, the output voltage VDD of the step-down circuit D is connected to the short-circuit protection circuit and the manual protection circuit, and the three bypass diodes are connected in series and parallel to the circuit D. For solar modules, the positive connection terminal (including cable) is connected to the positive output voltage terminal, and the negative connection terminal (including cable) is connected to the negative output voltage terminal to complete the circuit connection; in terms of functional operation, the short-circuit protection circuit detects the semiconductor power switch When the cable is short-circuited, the semiconductor power switch is turned off to protect the solar panel. It can also be manually operated by hand-held or fixed wireless devices to command the wireless control circuit, and then the manual protection circuit can be controlled to turn off the semiconductor power switch and protect the For solar panels, after the fault problem is eliminated, the hand-held or fixed wireless device gives commands to the wireless control circuit, and the control reset circuit can restore the short-circuit protection circuit and manual protection circuit to the normal mode; the data processing circuit receives the current detection resistance and The voltage detection resistance signal provides a hand-held wireless device that can effectively judge the operating status of the solar energy system, as the basis for controlling the solar energy system, and the data is recorded in the cloud server and computer equipment.

In one embodiment of the present invention, the wireless control and protection module includes a step-down circuit C, which is connected to the wireless control circuit and the data processing circuit. The two circuits communicate by means of a bus, so the same power supply must be used.

In one embodiment of the present invention, the wireless control protection module includes a step-down circuit D, which is connected to the short-circuit protection circuit and the manual protection circuit, the two circuits are analog circuits, and the digital circuits of the wireless control circuit and the data processing circuit The circuit needs to be separated from the power supply to avoid mutual interference and function failure.

In an embodiment of the present invention, when the data processing circuit detects that its temperature is higher than a predetermined value, the data processing circuit drives the wireless control circuit to turn off the semiconductor power switch to achieve an automatic protection function.

In an embodiment of the present invention, the wireless control protection module generates a wireless positioning signal for the communication control device to receive.

In one embodiment of the present invention, the handheld wireless device is a mobile communication device.

In one embodiment of the present invention, the fixed wireless device is a wireless control button, and the wireless control button includes a protective box, a wireless communicator and an emergency button. The wireless communicator is arranged in the protective box, the wireless communicator is wirelessly connected to the wireless router, and the wireless communicator is used for receiving current and voltage through the wireless router. The emergency button is arranged on the protection box and is coupled to the wireless communication device. When the current and voltage are abnormal, the emergency button is pressed to drive the wireless communicator to control the wireless controller of all solar panels through the wireless router to prevent all power from being transmitted to the positive and negative connection terminals of each solar panel.

Based on the above, the solar protection system uses wireless communication technology to monitor the voltage and current generated by the photovoltaic cells at any time, and when the voltage and current generated by the photovoltaic cells are abnormal, the wireless controller prevents the positive and negative connection lines between the solar panels. Generate voltage to avoid disasters.

In order to make your examiners have a further understanding and understanding of the structural features of the new model and the effects achieved, I would like to supplement the preferred embodiment drawings and cooperate with detailed descriptions, and the descriptions are as follows:

1: Solar panels

11: Wireless control protection module

1101: Most Semiconductor Power Switches

1102: Current detection resistor

1104: Voltage detection resistor

1103: divider resistor

1105: Three bypass diode strings

1106: Positive input voltage terminal

1107: Positive output voltage terminal

1109: Negative input voltage terminal

1108: Negative output voltage terminal

111: Step-down circuit C

1111: output voltage VCC

112: Wireless control circuit

1121: Antenna

113: Data processing circuit

114: reset circuit

115: Buck circuit D

1151: output voltage VDD

116: Short circuit protection circuit

117: Manual protection circuit

12: Solar modules

13: Positive connection terminal (including cable)

14: Negative terminal (including cable)

2: Inverter

3: Large power system AC

4: Handheld or fixed wireless device

5: Wireless router

6: Cloud server

7: Wireless base station

8: Internet Route

9: Computer equipment

FIG. 1 is a schematic diagram of a solar energy system of the prior art.

FIG. 2 is a schematic diagram of an embodiment of a plurality of solar panels and inverters of the new type.

FIG. 3 is a schematic diagram of an embodiment of the new wireless control protection module.

The embodiments of the present invention will be further explained by the following with the related drawings. Wherever possible, in the drawings and the description, the same reference numbers refer to the same or similar components. In the drawings, shapes and thicknesses may be exaggerated for simplicity and convenience. It should be understood that the elements not particularly shown in the drawings or described in the specification have forms known to those of ordinary skill in the art. Those skilled in the art can make various changes and modifications based on the content of the present invention.

Certain terms are used in the specification and claims to refer to particular elements. However, those of ordinary skill in the art should understand that the same elements may be referred to by different nouns. The description and the scope of the patent application do not use the difference in name as a way of distinguishing elements, but use the difference in function of the elements as a basis for distinguishing. The "comprising" mentioned in the description and the scope of the patent application is an open-ended term, so it should be interpreted as "including but not limited to". In addition, "connection" herein includes any direct and indirect means of connection. Therefore, if it is described in the text that the first element is coupled to the second element, it means that the first element can be directly connected to the second element through electrical connection or signal connection such as wireless transmission or optical transmission, or through other elements or connections. The means are indirectly electrically or signally connected to the second element.

The following description of "one embodiment" or "an embodiment" refers to a particular element, structure or feature associated with at least one embodiment. Thus, the appearances of "one embodiment" or "an embodiment" in various places below are not directed to the same embodiment. Furthermore, the specific components, structures and features in one or more embodiments may be combined in a suitable manner.

Unless otherwise specified, some conditional sentences or words, such as "can", "could", "might", or "may", are usually intended to express that the embodiments of this case have, However, it can also be interpreted as features, elements, or steps that may not be required. In other embodiments, these features, elements, or steps may not be required.

FIG. 2 is a schematic diagram of an embodiment of a plurality of solar panels and inverters of the new type. In an embodiment of the new type, a solar protection system is provided, which includes at least one solar panel (1) or a plurality of solar panels (1), at least one wireless control protection module (11) is installed on the solar panel (1), at least one handheld or fixed wireless device (4), at least one wireless router (5), at least one wireless base station (7) ), at least one cloud server (6), at least one computer device (9), any wireless device has its antenna (1121); each solar panel (1) includes a solar module (12) and a wireless control protection The module (11), the solar module (12) converts solar energy into electrical energy, and provides power to the wireless control protection module (11), the electrical energy is controlled by the wireless control protection module (11), and the electrical energy passes through the wireless control protection module (11) The positive and negative connection terminals (13, 14) (including cables) transmitted to the solar panel (1), and most solar panels (1) are connected in series to the required power through the positive and negative connection terminals (13, 14) conditions, so as to provide enough power to the inverter (2) and then input it to the large power system AC (3) to complete the power transmission of solar energy; the control signal of the handheld or fixed wireless device (4) transmits radio waves through the antenna (1121). , connected to the antenna (1121) of the wireless router (5) through the wireless network (Wifi), and the wireless router (5) receiving the signal is connected to the antenna (1121) of the wireless control protection module (11) through the wireless network (Wifi) ), the wireless control protection module (11) receiving the signal can control the power transmission of the solar module (12) through the circuit; the detection data of the wireless control protection module (11) transmits radio waves through the antenna (1121), The network (Wifi) is connected to the antenna (1121) of the wireless router (5), the wireless router (5) that receives the signal is connected to the cloud server (6) through the network line (8), and web browsing on the computer device (9) The address of the server is consistent with the address of the cloud server (6), the computer equipment (9) accesses the data of the cloud server (6), and the cloud server (6) and computer equipment (9) receiving the signal record the wireless control protection The power data returned by the module (11) is used as Manage solar energy system data; another route is the control signal of the handheld or fixed wireless device (4) to transmit radio waves through the antenna (1121), which is connected to the antenna (7) of the wireless base station (7) through the wireless network (4G, 5G). 1121), the wireless base station (7) receiving the signal is connected to the cloud server (6) through the network line (8), and the cloud server (6) is connected to the wireless router (5) through the network line (8), and the signal receiving The wireless router (5) is connected to the antenna (1121) of the wireless control protection module (11) through a wireless network (Wifi), and the wireless control protection module (11) receiving the signal can control the solar module (12) through the circuit Power transmission to achieve the purpose of remote monitoring.

The application of the new type is not limited to one set of solar energy systems, because the wireless device is used as the transmission medium, and it can be expanded to multiple sets of solar energy systems, limited by the limit of the transmission quantity set by the wireless device.

Fig. 3 is a schematic diagram of an embodiment of the wireless control and protection module of the new type. In an embodiment of the present invention, the wireless control and protection module (11) includes at least one semiconductor power switch (1101), a current detection Resistor (1102), a voltage detection resistor (1104), a voltage divider resistor (1103), a set of three bypass diode strings (1105), a positive input voltage terminal (1106), a positive output voltage terminal (1107), a negative input voltage terminal (1109), a negative output voltage terminal (1108), a step-down circuit C (111) and its output voltage VCC (1111), a wireless control circuit (112) and its antenna ( 1121), a data processing circuit (113), a reset circuit (114), another step-down circuit D (115) and its output voltage VDD (1151), a short circuit protection circuit (116), a manual protection circuit (117) ); the parallel drains of most semiconductor power switches (1101) are connected to the negative output voltage terminal (1108) and the short circuit protection circuit (116), and the sources are connected to the current detection resistor (1102) and the data processing circuit (113). The gate of the semiconductor power switch (1101) in parallel is connected to the short-circuit protection circuit (116) and the manual protection circuit (117), and the other end of the current detection resistor (1102) is connected to the negative input voltage The terminal (1109), the short circuit protection circuit (116) and the manual protection circuit (117) input terminal are connected to the reset circuit (114) output terminal, the reset circuit (114) input terminal is connected to the wireless control circuit (112) output terminal, manual protection The other input terminal of the circuit (117) is connected to the other output terminal of the wireless control circuit (112). Row connection, the data processing circuit (113) is connected to the voltage detection resistor (1104) and the voltage dividing resistor (1103), the other end of the voltage dividing resistor (1103) is connected to the positive input voltage terminal (1106), the positive input voltage terminal (1106) ) are respectively connected to the step-down circuit C (111) and the step-down circuit D (115), and the output voltage VCC (1111) of the step-down circuit C (111) is connected to the wireless control circuit (112) and the data processing circuit (113), The output voltage VDD (1151) of the step-down circuit D (115) is connected to the short-circuit protection circuit (116) and the manual protection circuit (117), and three bypass diodes (1105) are connected in series and parallel to the solar module (121) , the positive connection terminal (13) (including the cable) is connected to the positive output voltage terminal (1107), the negative connection terminal (14) (including the cable) is connected to the negative output voltage terminal (1108), and the circuit connection is completed above; , the short-circuit protection circuit (116) detects the drains of most semiconductor power switches (1101), and when the cable is short-circuited, it turns off most of the semiconductor power switches (1101) to protect the solar panel (1). As shown in the figure, the wireless control circuit (112) is instructed by the handheld or fixed wireless device (4), and then the manual protection circuit (117) is controlled to cut off most of the semiconductor power switches (1101) to protect the solar panel (1). After elimination, the wireless control circuit (112) is commanded by the handheld or fixed wireless device (4), and the control reset circuit (114) can restore the short-circuit protection circuit (116) and the manual protection circuit (117) to the normal mode; The data processing circuit (113) receives the signals of the current detection resistance (1102) and the voltage detection resistance (1104), transmits the signals to the wireless control circuit (112), and transmits them through the antenna (1121), so that the handheld wireless device (4) can be effectively provided Judging the operation status of the solar energy system, especially in the real-time transmission of the fault signal, as the basis for controlling the solar energy system, the data is recorded in the cloud server (6) and the computer equipment (9), and through the Through record analysis, it becomes a solar database and a complete solar protection system.

In an embodiment of the present invention, the data processing circuit (113) has a built-in temperature sensing chip, and when the temperature of the solar panel (1) is higher than a preset value, such as 85 degrees Celsius, the data processing circuit (113) sends the wireless control The signal of the circuit (112) controls the manual protection circuit (117) to cut off most of the semiconductor power switches (1101) and stop the power supply of the solar panel (1) to avoid accidental expansion.

In one embodiment of the present invention, the wireless control circuit (112) can obtain the position of the solar panel (1) by using its positioning function, thereby reducing the difficulty of searching for the solar panel (1).

In an embodiment of the present invention, the step-down circuit C ( 111 ) and the step-down circuit D ( 115 ) need to operate independently.

According to the above embodiment, the solar protection system uses wireless communication technology to monitor the voltage and current generated by the solar panel (1) at any time, and when the voltage and current generated by the solar panel (1) are abnormal, the wireless control circuit (112) prevents the A voltage is generated between the positive and negative connection terminals (13, 14) (including cables) between the solar panels (1) to avoid disasters.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, all changes and modifications made in accordance with the shape, structure, features and spirit described in the scope of the patent application of the present invention are equivalent. , shall be included in the scope of the patent application of this new model.

11: Wireless control protection module

1101: Most Semiconductor Power Switches

1102: Current detection resistor

1104: Voltage detection resistor

1103: divider resistor

1105: Three bypass diode strings

1106: Positive input voltage terminal

1107: Positive output voltage terminal

1109: Negative input voltage terminal

1108: Negative output voltage terminal

111: Step-down circuit C

1111: output voltage VCC

112: Wireless control circuit

1121: Antenna

113: Data processing circuit

114: reset circuit

115: Buck circuit D

1151: output voltage VDD

116: Short circuit protection circuit

117: Manual protection circuit

Claims (4)

A solar protection system: it includes at least one solar panel or a plurality of solar panels, at least one wireless control protection module installed on the solar panel, at least one handheld or fixed wireless device, at least one wireless router, at least one wireless base station, at least one A cloud server, at least one computer device, and any wireless device has its antenna; each solar panel includes a solar module and a wireless control protection module, the solar module converts solar energy into electrical energy, and provides it to the wireless control protection module The power supply and electric energy are controlled by the wireless control protection module. The electric energy is transmitted to the positive and negative connection terminals (including cables) of the solar panel through the wireless control protection module. Power conditions to provide enough power to the inverter and then input it to the large power system AC to complete the power transmission of solar energy; the control signal of the handheld or fixed wireless device transmits radio waves through the antenna, which is connected to the wireless network through a wireless network (Wifi). The antenna of the router, the wireless router that receives the signal is connected to the antenna of the wireless control and protection module through the wireless network (Wifi), and the wireless control and protection module that receives the signal can control the power transmission of the solar module through the circuit; the wireless control and protection module The detection data of the device transmits radio waves through the antenna, which is connected to the antenna of the wireless router through the wireless network (Wifi), and the wireless router that receives the signal is connected to the cloud server through the network line. If the address of the device matches, the computer equipment accesses the data of the cloud server, and the cloud server and computer equipment receiving the signal record the power data returned by the wireless control protection module as the management data of the solar energy system; the other way is to use a handheld or The control signal of the fixed wireless device transmits radio waves through the antenna, which is connected to the antenna of the wireless base station through the wireless network (4G, 5G). Connected to the wireless router, the wireless router that receives the signal is connected to the antenna of the wireless control and protection module through the wireless network (Wifi), and the wireless control and protection module that receives the signal can control the power transmission of the solar module through the circuit to achieve the remote monitoring purpose. The solar protection system of claim 1, wherein the wireless control protection module comprises at least one semiconductor power switch, a current detection resistor, a voltage detection resistor, a voltage divider resistor, and a set of three bypass diodes body string, a positive input voltage terminal, a positive A pole output voltage terminal, a negative input voltage terminal, a negative output voltage terminal, a step-down circuit C and its output voltage VCC, a wireless control circuit and its antenna, a data processing circuit, a reset circuit, and another step-down circuit D and its output voltage VDD, a short-circuit protection circuit, and a manual protection circuit; the parallel drains of most semiconductor power switches are connected to the negative output voltage terminal and the short-circuit protection circuit, and the sources are connected to the current detection resistor and the data processing circuit. The parallel gate of the semiconductor power switch is connected to the short circuit protection circuit and the manual protection circuit, the other end of the current detection resistor is connected to the negative input voltage terminal, the short circuit protection circuit and the manual protection circuit input terminal is connected to the output terminal of the reset circuit, and the input terminal of the reset circuit The terminal is connected to the output terminal of the wireless control circuit, and the other input terminal of the manual protection circuit is connected to the other output terminal of the wireless control circuit. The wireless control circuit includes a set of antennas. To the voltage detection resistor and the voltage divider resistor, the other end of the voltage divider resistor is connected to the positive input voltage terminal, the positive input voltage terminal is connected to the step-down circuit C and the step-down circuit D respectively, and the output voltage VCC of the step-down circuit C is connected to the wireless The control circuit and data processing circuit, the output voltage VDD of the step-down circuit D is connected to the short-circuit protection circuit and the manual protection circuit, the three bypass diodes are connected in series and parallel to the solar module, and the positive terminal (including the cable) is connected to the positive terminal The output voltage terminal, the negative terminal (including the cable) is connected to the negative output voltage terminal, and the circuit connection is completed. In terms of functional operation, the short-circuit protection circuit detects the drain of most semiconductor power switches, and when the cable is short-circuited, most semiconductor power switches are cut off. The switch further protects the solar panel. It can also be manually operated by hand-held or fixed wireless devices to give commands to the wireless control circuit, and then control the manual protection circuit to cut off most of the semiconductor power switches to protect the solar panel. The wireless or fixed wireless device sends commands to the wireless control circuit, and the control reset circuit can reset the short-circuit protection circuit and the manual protection circuit to the normal mode; the data processing circuit receives the current detection resistance and voltage detection resistance signals and transmits them to the wireless control circuit. , Through antenna transmission, providing a handheld wireless device can effectively judge the operating status of the solar energy system, especially in the real-time transmission of fault signals, as the basis for controlling the solar energy system, the data is recorded in the cloud server and computer equipment, and after the record analysis becomes the solar energy system database, and become a complete set of solar protection systems. The solar protection system of claim 1, wherein the data processing circuit includes a built-in temperature sensing chip, when the temperature of the solar panel is higher than a preset value, such as 85 degrees Celsius, the data processing circuit sends a signal to the wireless control circuit to control Manual protection circuit cuts off most semiconductor power The rate switch stops the power supply of the solar panel and avoids accidental expansion. The solar protection system according to claim 1, wherein the wireless control protection module includes a positioning function, which can obtain the position of the solar panel and reduce the difficulty of searching for the solar panel.

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