CN215932767U - Electrified warning device of photovoltaic grid-connected anti-reverse power supply protection system - Google Patents
Electrified warning device of photovoltaic grid-connected anti-reverse power supply protection system Download PDFInfo
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- CN215932767U CN215932767U CN202122096354.9U CN202122096354U CN215932767U CN 215932767 U CN215932767 U CN 215932767U CN 202122096354 U CN202122096354 U CN 202122096354U CN 215932767 U CN215932767 U CN 215932767U
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- power supply
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- protection system
- communication module
- warning device
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Abstract
The utility model discloses an electrified warning device of a photovoltaic grid-connected anti-reverse power supply protection system, which comprises a device main body, wherein the device main body comprises a housing, a solar cell panel, a cylindrical transparent shell, a current transformer, an assembling plate, an MCU (microprogrammed control unit) microprocessor, a lithium ion storage battery and an LED alarm lamp, a fixed seat is arranged at the top of the housing, and the solar cell panel is fixedly arranged on the outer side surface of the housing. According to the electrified warning device of the photovoltaic grid-connected anti-reverse power supply protection system, installation accessories are not required to be configured during installation, the device can be fixedly installed on a cable to be monitored by directly utilizing a bolt to be matched with a fixing seat, meanwhile, the cable to be monitored passes through a detection hole in a current transformer, in addition, solar energy is converted into electric energy by utilizing a solar cell panel to charge a lithium ion storage battery, so that the device does not need an external power supply or commercial power, and the device is convenient to install and good in practicability.
Description
Technical Field
The utility model relates to the technical field of grid-connected power supply, in particular to a live warning device of a photovoltaic grid-connected anti-reverse power supply protection system.
Background
In recent years, distributed new energy power generation keeps a continuously increasing situation by virtue of economy and effectiveness, and the access of the distributed new energy power generation to a power distribution network also brings a series of problems to a power grid, wherein 'islanding' is one of the most widely researched subjects at present. Once islanding occurs, problems such as personal safety, economic efficiency, power quality, etc. may be caused. According to the standard, the inverter is required to be incorporated into a power distribution network with the voltage level of 10KV and below, and the power distribution network has an anti-islanding protection function. If the power supply of the power grid incorporated by the inverter is interrupted, the inverter stops supplying power to the power grid within 2s, and simultaneously sends out a warning signal.
The photovoltaic grid-connected anti-reverse power supply protection system is a protection system developed for distributed new energy power generation, but the existing electrified warning device of the photovoltaic grid-connected anti-reverse power supply protection system still has the following problems: when the installation is carried out, installation accessories need to be additionally configured, and an external power supply or commercial power is needed, so that the installation is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a live warning device of a photovoltaic grid-connected anti-reverse power supply protection system, and aims to solve the problem that the live warning device of the photovoltaic grid-connected anti-reverse power supply protection system in the prior art is troublesome to install because installation accessories need to be additionally configured during installation and an external power supply or commercial power is needed.
In order to achieve the above object, the present invention provides an electrified warning device of a photovoltaic grid-connected anti-reverse power supply protection system, comprising: the device main body comprises a housing, a solar panel, a cylindrical transparent shell, a current transformer, an assembly plate, an MCU (microprogrammed control Unit) microprocessor, a lithium ion storage battery and an LED alarm lamp, wherein a fixed seat is arranged at the top of the housing, the solar panel is fixedly arranged on the outer side surface of the housing, the cylindrical transparent shell is fixedly arranged at the bottom of the housing, the current transformer is fixedly arranged at the top of the housing, the current transformer is positioned at the inner side of the fixed seat, the assembly plate is fixedly arranged in the cylindrical transparent shell, the MCU microprocessor and the lithium ion storage battery are fixedly arranged at the bottom of the assembly plate, the LED alarm lamp is fixedly arranged at the upper part of the inner bottom wall of the cylindrical transparent shell, and the LED alarm lamp and the current transformer are electrically connected with the MCU microprocessor, the solar cell panel is electrically connected with the lithium ion storage battery, and the lithium ion storage battery is electrically connected with the MCU microprocessor and the LED alarm lamp respectively.
Optionally, the device main body further comprises a buzzer, the buzzer is fixedly mounted at the bottom of the assembling plate, and the buzzer is electrically connected with the MCU microprocessor.
Optionally, the device main body further comprises a positioning module, the positioning module is fixedly installed at the bottom of the assembling plate, and the positioning module is electrically connected with the MCU microprocessor.
Optionally, the device main body further comprises a communication module, the communication module is fixedly mounted at the bottom of the assembling plate, and the communication module is electrically connected with the MCU microprocessor.
Optionally, the positioning module is a GPS positioning module, and the communication module includes at least one of a wireless network card, a Lora communication module, an NB-iot communication module, a 4G communication module, and a 5G communication module.
Optionally, the housing is square frustum pyramid-shaped, the number of the solar panels is four, and the four solar panels are respectively distributed on four outer side surfaces of the housing.
As mentioned above, the utility model provides a live warning device of a photovoltaic grid-connected anti-reverse power supply protection system, which mainly comprises a housing, a solar cell panel, a cylindrical transparent shell, a current transformer, an assembly plate, an MCU microprocessor, a lithium ion storage battery, a buzzer and an LED alarm lamp, wherein the solar cell panel is used for converting solar energy into electric energy to charge the lithium ion storage battery, the lithium ion storage battery is used for supplying power for the current transformer, the MCU microprocessor, the buzzer and the LED alarm lamp, the current transformer is used for detecting whether the cut photovoltaic grid-connected point has residual current of more than 1A or not, and generating an electric signal and uploading the electric signal to the MCU microprocessor when detecting that the cut photovoltaic grid-connected point has residual current of more than 1A, the MCU microprocessor controls the buzzer to give an alarm sound, and controls the LED alarm lamp to give an alarm light to warn maintainers to pay attention to the residual current, so as to guarantee the life safety of the maintainers.
When using, can directly utilize bolt cooperation fixing base with the device fixed mounting on treating the cable of monitoring, the cable that will treat the monitoring simultaneously passes the inspection hole on the current transformer, in addition, utilizes solar cell panel to change solar energy into the electric energy and charges for lithium ion battery for the device need not external power supply or commercial power, thereby makes the device installation more convenient, and the practicality is better.
In order that the foregoing and other objects, features, and advantages of the utility model will be readily understood, a preferred embodiment of the utility model will be hereinafter described in detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 schematically shows a structural schematic diagram of a live warning device of a photovoltaic grid-connected anti-reverse power supply protection system of the utility model;
fig. 2 schematically shows a structural schematic diagram of another view angle of the live warning device of the photovoltaic grid-connected anti-reverse power supply protection system of the utility model;
fig. 3 schematically shows a schematic partial cross-sectional structural view of a live warning device of the photovoltaic grid-connected anti-reverse power supply protection system.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the utility model will be described in conjunction with the preferred embodiments, it is not intended that the features of the utility model be limited to these embodiments. On the contrary, the intention of the novel description to be incorporated into the embodiments is to cover alternatives or modifications which may be extended in accordance with the appended claims. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The utility model may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 3, an embodiment of the present invention provides an electrified warning device of a photovoltaic grid-connected anti-reverse power supply protection system, including: the device body 1, the device body 1 comprises a housing 101, a solar panel 102, a cylindrical transparent shell 105, a current transformer 103, a mounting plate 106, an MCU microprocessor 110, a lithium ion storage battery 109, a buzzer 111 and an LED alarm lamp 112, a fixing seat 104 is arranged on the top of the housing 101, the solar panel 102 is fixedly mounted on the outer side surface of the housing 101, the cylindrical transparent shell 105 is fixedly mounted at the bottom of the housing 101, the current transformer 103 is fixedly mounted at the top of the housing 101, the current transformer 103 is positioned at the inner side of the fixing seat 104, the mounting plate 106 is fixedly mounted in the cylindrical transparent shell 105, the MCU microprocessor 110, the lithium ion storage battery 109 and the buzzer 111 are fixedly mounted at the bottom of the mounting plate 106, the LED alarm lamp 112 is fixedly mounted at the upper part of the inner bottom wall of the cylindrical transparent shell 105, the LED alarm lamp 112, the buzzer 111 and the current transformer 103 are electrically connected with the MCU microprocessor 110, the solar cell panel 102 is electrically connected with the lithium ion battery 109, and the lithium ion battery 109 is electrically connected with the MCU microprocessor 110, the buzzer 111 and the LED alarm lamp 112 respectively.
That is to say, the device body 1 provided by this embodiment mainly comprises a housing 101, a solar panel 102, a cylindrical transparent casing 105, a current transformer 103, a mounting plate 106, an MCU microprocessor 110, a lithium ion battery 109, a buzzer 111, and an LED alarm lamp 112, wherein the solar panel 102 is configured to convert solar energy into electric energy to charge the lithium ion battery 109, the lithium ion battery 109 is configured to supply power to the current transformer 103, the MCU microprocessor 110, the buzzer 111, and the LED alarm lamp 112, the current transformer 103 is configured to detect whether a cut photovoltaic grid connection point has a residual current of 1A or more, and generate an electrical signal and transmit the electrical signal to the MCU microprocessor 110 when detecting that the cut photovoltaic grid connection point has a residual current of 1A or more, the MCU microprocessor 110 controls the buzzer 111 to emit an alarm sound, and controls the LED alarm lamp 112 to emit an alarm light to warn a maintenance person to notice the residual current, so as to guarantee the life safety of the maintainers.
When using, can directly utilize bolt cooperation fixing base 104 with the device fixed mounting on treating the cable of monitoring, the cable that will treat the monitoring simultaneously passes the inspection hole on the current transformer 103, in addition, utilizes solar cell panel 102 to change solar energy into the electric energy and charges for lithium ion battery 109 for the device need not external power supply or commercial power, thereby makes the device installation more convenient, and the practicality is better.
Specifically, the device body 1 further includes a positioning module 108 and a communication module 107, the positioning module 108 and the communication module 107 are both fixedly mounted at the bottom of the assembling plate 106, and the positioning module 108 and the communication module 107 are both electrically connected to the MCU microprocessor 110.
That is to say, the device main body 1 provided by this embodiment further has a positioning module 108 and a communication module 107, the positioning module 108 is used for acquiring the geographic location information of the device main body 1, so as to quickly find the location of the device main body 1, and the communication module 107 is used for the purpose of the device main body 1 to implement remote communication.
Specifically, the positioning module 108 is a GPS positioning module, and the communication module 107 includes at least one of a wireless network card, a Lora communication module, an NB-iot communication module, a 4G communication module, and a 5G communication module.
That is to say, the positioning module 108 provided in this embodiment may be a GPS positioning module, and the communication module 107 may be at least one of a wireless network card, a Lora communication module, an NB-iot communication module, a 4G communication module, and a 5G communication module, so that the communication module 107 may be replaced by multiple schemes, and the practicability is better.
Specifically, the housing 101 is square frustum-shaped, four solar panels 102 are provided, and the four solar panels 102 are respectively distributed on four outer side surfaces of the housing 101.
That is to say, the housing 101 that this embodiment provided is quadrangular frustum of a pyramid shape, and four solar cell panels 102 of easy to assemble can satisfy the device's power consumption demand better through setting up four solar cell panels 102.
As described above, the present invention provides a live warning device of a photovoltaic grid-connected anti-reverse power supply protection system, which is mainly composed of a housing 101, a solar cell panel 102, a cylindrical transparent casing 105, a current transformer 103, a mounting plate 106, an MCU microprocessor 110, a lithium ion battery 109, a buzzer 111, and an LED alarm lamp 112, wherein the solar cell panel 102 is used to convert solar energy into electric energy to charge the lithium ion battery 109, the lithium ion battery 109 is used to supply power to the current transformer 103, the MCU microprocessor 110, the buzzer 111, and the LED alarm lamp 112, the current transformer 103 is used to detect whether there is residual current above 1A in a disconnected photovoltaic grid-connected point, and generate an electrical signal and upload the electrical signal to the MCU microprocessor 110 when detecting that there is residual current above 1A in the disconnected photovoltaic grid-connected point, the MCU microprocessor 110 controls the buzzer 111 to give an alarm sound, and meanwhile, the LED alarm lamp 112 is controlled to emit alarm light to warn the maintainer to pay attention to the residual current so as to guarantee the life safety of the maintainer.
When using, can directly utilize bolt cooperation fixing base 104 with the device fixed mounting on treating the cable of monitoring, the cable that will treat the monitoring simultaneously passes the inspection hole on the current transformer 103, in addition, utilizes solar cell panel 102 to change solar energy into the electric energy and charges for lithium ion battery 109 for the device need not external power supply or commercial power, thereby makes the device installation more convenient, and the practicality is better.
In summary, the above-mentioned embodiments are provided only for illustrating the principles and effects of the present invention, and not for limiting the present invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a photovoltaic is incorporated into power networks and is prevented electrified warning device of anti-power supply protection system which characterized in that includes:
the device main body comprises a housing, a solar panel, a cylindrical transparent shell, a current transformer, an assembly plate, an MCU (microprogrammed control Unit) microprocessor, a lithium ion storage battery and an LED alarm lamp, wherein a fixed seat is arranged at the top of the housing, the solar panel is fixedly arranged on the outer side surface of the housing, the cylindrical transparent shell is fixedly arranged at the bottom of the housing, the current transformer is fixedly arranged at the top of the housing, the current transformer is positioned at the inner side of the fixed seat, the assembly plate is fixedly arranged in the cylindrical transparent shell, the MCU microprocessor and the lithium ion storage battery are fixedly arranged at the bottom of the assembly plate, the LED alarm lamp is fixedly arranged at the upper part of the inner bottom wall of the cylindrical transparent shell, and the LED alarm lamp and the current transformer are electrically connected with the MCU microprocessor, the solar cell panel is electrically connected with the lithium ion storage battery, and the lithium ion storage battery is electrically connected with the MCU microprocessor and the LED alarm lamp respectively.
2. The electrified warning device of the photovoltaic grid-connected anti-reverse power supply protection system according to claim 1, wherein the device body further comprises a buzzer, the buzzer is fixedly mounted at the bottom of the assembling plate, and the buzzer is electrically connected with the MCU microprocessor.
3. The electrified warning device of the photovoltaic grid-connected anti-reverse power supply protection system according to claim 1, wherein the device body further comprises a positioning module, the positioning module is fixedly installed at the bottom of the assembling plate, and the positioning module is electrically connected with the MCU microprocessor.
4. The electrified warning device of the photovoltaic grid-connected anti-reverse power supply protection system according to claim 3, wherein the device main body further comprises a communication module, the communication module is fixedly installed at the bottom of the assembling plate, and the communication module is electrically connected with the MCU microprocessor.
5. The electrified warning device of the photovoltaic grid-connected anti-reverse power supply protection system according to claim 4, wherein the positioning module is a GPS positioning module, and the communication module comprises at least one of a wireless network card, a Lora communication module, an NB-iot communication module, a 4G communication module and a 5G communication module.
6. The electrified warning device of the photovoltaic grid-connected anti-reverse power supply protection system according to claim 1, wherein the housing is in a quadrangular frustum pyramid shape, four solar panels are provided, and the four solar panels are respectively distributed on four outer side surfaces of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122096354.9U CN215932767U (en) | 2021-09-01 | 2021-09-01 | Electrified warning device of photovoltaic grid-connected anti-reverse power supply protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122096354.9U CN215932767U (en) | 2021-09-01 | 2021-09-01 | Electrified warning device of photovoltaic grid-connected anti-reverse power supply protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215932767U true CN215932767U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122096354.9U Expired - Fee Related CN215932767U (en) | 2021-09-01 | 2021-09-01 | Electrified warning device of photovoltaic grid-connected anti-reverse power supply protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215932767U (en) |
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2021
- 2021-09-01 CN CN202122096354.9U patent/CN215932767U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220301 |