CN217984552U - Micro power grid power generation device - Google Patents
Micro power grid power generation device Download PDFInfo
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- CN217984552U CN217984552U CN202221909574.7U CN202221909574U CN217984552U CN 217984552 U CN217984552 U CN 217984552U CN 202221909574 U CN202221909574 U CN 202221909574U CN 217984552 U CN217984552 U CN 217984552U
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Abstract
The utility model relates to a power generation facility technical field especially relates to a micro power grid power generation facility, including diesel generator, solar energy electroplax, aerogenerator, scene complementary control ware, lead acid battery, DC-DC converter, DC-AC converter, controller, first voltage detection circuit, second voltage detection circuit, first power detection circuit, second power detection circuit and STS static transfer switch. The electronic components are connected in a matching way. The micro-grid power generation device adopts the solar panel and the wind driven generator to generate power to meet the power consumption of load equipment under the normal condition, and when the power generation power of the solar panel and the wind driven generator is not enough to meet the power consumption of the load and the electric quantity of a lead-acid storage battery is not enough, the micro-grid power generation device is intelligently switched to the diesel generator to stably supply power to the load equipment; when the power generated by the solar panel and the wind driven generator is enough to meet the power consumption of the load, the lead-acid storage battery is switched to meet the power consumption of the load equipment.
Description
Technical Field
The utility model relates to a power generation facility technical field especially relates to a micro-grid power generation facility.
Background
In some remote mountain areas, unmanned islands and other places where people are rare, because no power grid is covered, but some load equipment needing power needs to use power, such as a rainfall monitoring station of a meteorological bureau, many load equipment need to use power, and many load equipment are arranged on the remote mountain areas or the unmanned islands. Therefore, it is necessary to distribute power supply facilities, such as solar panels and wind power generation equipment.
In the actual operation process, the solar panel or the wind power generation equipment is affected by the natural environment, and the power generation is unstable.
The diesel generator generates electricity stably, but needs to supplement fuel frequently, and is inconvenient to use. And load equipment needs stable uninterrupted power supply, so that a micro power grid power generation device is designed based on the load equipment.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a microgrid power generation facility can be when solar energy electroplax and aerogenerator electricity generation are not enough to satisfy normal power supply demand, and the intelligence switches to the stable power supply of diesel generator.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a micro power grid power generation device comprises a diesel generator, a solar panel, a wind driven generator, a wind-solar hybrid controller, a lead-acid storage battery, a DC-DC converter, a DC-AC converter, a controller, a first voltage detection circuit, a second voltage detection circuit, a first power detection circuit, a second power detection circuit and an STS static transfer switch;
the solar panel and the wind driven generator are respectively electrically connected with the wind-solar hybrid controller, and the power output end of the wind-solar hybrid controller is electrically connected with the power end of the lead-acid storage battery;
the first power detection circuit is electrically connected with the power output end of the wind-solar hybrid controller, detects the output power of the wind-solar hybrid controller and transmits the output power to the controller;
the power supply end of the lead-acid storage battery is electrically connected with the power supply end of the controller through the DC-DC converter and supplies power to the controller;
the first voltage detection circuit is electrically connected with a power supply end of the lead-acid storage battery, detects the voltage of the lead-acid storage battery and transmits the voltage to the controller;
the second voltage detection circuit is electrically connected with the power output end of the diesel generator, detects the voltage output by the diesel generator and transmits the voltage to the controller;
the STS static transfer switch comprises a first path of input end, a second path of input end and an STS static transfer switch output end, and the STS static transfer switch output end is connected with load equipment;
the second power detection circuit is electrically connected with the output end of the STS static transfer switch, detects the power consumption of the load equipment and transmits the power consumption to the controller;
the power output end of the lead-acid storage battery is electrically connected with the first input end of the STS static transfer switch through the DC-AC converter;
the power output end of the diesel generator is electrically connected with the second path of input end of the STS static transfer switch through the AC-AC converter;
the first voltage detection circuit, the second voltage detection circuit, the first power detection circuit, the second power detection circuit, the control end of the STS static transfer switch and the control end of the diesel generator are respectively electrically connected with the controller.
Further, the system also comprises a wireless communication module; the wireless communication module is electrically connected with the controller.
Furthermore, the device also comprises a manual power supply switching button, and the manual power supply switching button is electrically connected with the controller.
By adopting the technical scheme, the beneficial effects of the utility model are that: the micro power grid generating device adopts two power supplies of a lead-acid storage battery and a diesel generator to be intelligently switched so as to realize uninterrupted power supply to load equipment. And the lead-acid storage battery is charged by adopting a solar panel and a wind driven generator.
Specifically, when the power generated by the solar panel and the wind driven generator is enough to meet the power consumption of the load equipment, the lead-acid storage battery supplies power to the load equipment, and the lead-acid storage battery also supplies power to the controller uninterruptedly.
When the power generated by the solar panel and the wind driven generator is not enough to meet the power consumption of the load equipment and the electric quantity of the lead-acid storage battery is not enough, the controller controls the diesel generator to start to generate power, the voltage output by the diesel generator when the diesel generator is just started is not enough to supply power to the load equipment, and the lead-acid storage battery is still used for supplying power to the load equipment at the stage. And until the second voltage detection circuit detects that the output voltage of the diesel generator reaches the rated output voltage value, the controller controls the STS static transfer switch to be switched to the diesel generator to supply power for the load equipment.
When the load equipment is turned off (standby) or the power generated by the solar panel and the wind driven generator is enough to meet the power consumption of the load equipment, and the lead-acid storage battery is fully charged, the controller switches the STS static transfer switch back to the lead-acid storage battery to supply power to the load equipment.
The user can also switch the lead-acid storage battery or the diesel generator automatically to supply power for the load equipment through the manual power supply switching button.
Drawings
Fig. 1 is a circuit connection block diagram of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1, the present embodiment provides a microgrid power generation apparatus, which includes a solar panel 1, a wind power generator 2, a wind-solar hybrid controller 3, a lead-acid battery 4, a DC-DC converter 5, a controller 6, a DC-AC converter 7, an STS static transfer switch 8, a first voltage detection circuit 9, a first power detection circuit 10, a second power detection circuit 11, a second voltage detection circuit 12, a diesel power generator 13, an AC-AC converter 14, a two-way power transfer switch 15, and a wireless communication module 16.
In this embodiment, preferably, the controller 6 adopts an msp430fg4618 controller, and the msp430fg4618 controller has the advantage of ultra-low power consumption, so that electric energy is saved;
the wireless communication module 16 adopts a GPRS communication module;
the dual power transfer switch 15 is a push-button switch.
The solar panel 1, the wind power generator 2, the wind-solar hybrid controller 3, the lead-acid storage battery 4, the DC-DC converter 5, the DC-AC converter 7, the STS static transfer switch 8, the first voltage detection circuit 9, the first power detection circuit 10, the second power detection circuit 11, the second voltage detection circuit 12, the diesel generator 13, and the AC-AC converter 14 are all existing electronic devices.
The solar panel 1 and the wind driven generator 2 are respectively electrically connected with the wind-solar hybrid controller 3, and the power output end of the wind-solar hybrid controller 3 is electrically connected with the power supply end of the lead-acid storage battery 4 to charge the lead-acid storage battery 4.
The first power detection circuit 10 is electrically connected with the power output end of the wind-solar hybrid controller 3, and the output power of the wind-solar hybrid controller 3 is detected by the first power detection circuit 10 and transmitted to the controller 6; the first power detection circuit 10 is a conventional electronic device for detecting the output electric power of the wind-solar hybrid controller 3, and the technology is prior art and will not be described in detail herein.
And the power supply end of the lead-acid storage battery 4 is electrically connected with the power supply end of the controller 6 through the DC-DC converter 5 and supplies power to the controller 6.
The first voltage detection circuit 9 is electrically connected with a power supply end of the lead-acid storage battery 4, and the first voltage detection circuit 9 detects the voltage of the lead-acid storage battery 4 and transmits the voltage to the controller 6; the electric quantity of the lead-acid storage battery 4 can be calculated by detecting the voltage of the lead-acid storage battery 4.
The second voltage detection circuit 12 is electrically connected to the power output terminal of the diesel generator 13, and the second voltage detection circuit 12 detects the voltage output by the diesel generator 13 and transmits the voltage to the controller 6.
The STS static transfer switch 8 includes a first input terminal, a second input terminal, and an STS static transfer switch output terminal (not shown), and the STS static transfer switch output terminal is connected to a load device.
The second power detection circuit 11 is electrically connected with the output end of the STS static transfer switch, and the second power detection circuit 11 detects the power consumption of the load equipment and transmits the power consumption to the controller 6; the second power detection circuit 11 is an existing electronic device for detecting the power consumption of the load device, and this technology is the prior art and will not be described in detail herein.
And the power output end of the lead-acid storage battery 4 is electrically connected with the first input end of the STS static transfer switch 8 through the DC-AC converter 7.
And the power output end of the diesel generator 13 is electrically connected with the second path of input end of the STS static transfer switch 8 through an AC-AC converter 14.
And controlling the STS static transfer switch 8 to switch to the power supply of the lead-acid storage battery 4 or the power supply of the diesel generator 13 through the controller 6.
The control end of the STS static transfer switch 8, the first voltage detection circuit 9, the first power detection circuit 10, the second power detection circuit 11, the second voltage detection circuit 12, the control end of the diesel generator 13, the two-way power transfer switch 15 and the wireless communication module 16 are electrically connected with the controller 6 respectively.
When in use:
(1) When the power generated by the solar panel 1 and the wind driven generator 2 is enough to meet the power consumption of the load equipment, the controller 6 controls the STS static transfer switch 8 to switch to the lead-acid storage battery 4 to supply power to the load equipment.
The lead-acid storage battery 4 also supplies power to the controller 6 uninterruptedly.
When the lead-acid storage battery 4 supplies power to the load equipment, the diesel generator 13 is not started.
(2) When the power generated by the solar panel 1 and the wind driven generator 2 is not enough to meet the power consumption of the load and the electric quantity of the lead-acid storage battery 4 is not enough, the controller 6 controls the diesel generator 13 to start generating electricity.
The voltage output by the diesel generator 13 immediately after starting is insufficient to supply power to the load equipment, and at this stage, the lead-acid storage battery 4 supplies power to the load equipment for a short time.
And when the second voltage detection circuit 12 detects that the output voltage of the diesel generator 14 reaches the rated output voltage value, the controller 6 controls the STS static transfer switch 8 to switch to the diesel generator 13 to supply power to the load equipment.
(3) When the load equipment is turned off (standby) or the power generated by the solar panel 1 and the wind generator 2 is enough to meet the electric power used by the load, and the lead-acid storage battery 4 is fully charged, the controller 6 switches the STS static transfer switch 8 to supply power to the lead-acid storage battery 4 again.
(4) The user can also switch the lead-acid storage battery 4 or the diesel generator 13 to supply power for the load equipment by the manual power supply switching button 15.
The wireless communication module 16 may also be a 3G communication module, a 4G communication module, or a 5G communication module.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A kind of miniature electric wire netting generating apparatus, characterized by: the wind-solar hybrid power generation system comprises a diesel generator, a solar panel, a wind-driven generator, a wind-solar hybrid controller, a lead-acid storage battery, a DC-DC converter, a DC-AC converter, a controller, a first voltage detection circuit, a second voltage detection circuit, a first power detection circuit, a second power detection circuit and an STS static transfer switch;
the solar panel and the wind driven generator are respectively electrically connected with the wind-solar hybrid controller, and the power output end of the wind-solar hybrid controller is electrically connected with the power end of the lead-acid storage battery;
the first power detection circuit is electrically connected with the power output end of the wind-solar hybrid controller, detects the output power of the wind-solar hybrid controller and transmits the output power to the controller;
the power supply end of the lead-acid storage battery is electrically connected with the power supply end of the controller through the DC-DC converter and supplies power to the controller;
the first voltage detection circuit is electrically connected with a power supply end of the lead-acid storage battery, detects the voltage of the lead-acid storage battery and transmits the voltage to the controller;
the second voltage detection circuit is electrically connected with the power output end of the diesel generator, detects the voltage output by the diesel generator and transmits the voltage to the controller;
the STS static transfer switch comprises a first path of input end, a second path of input end and an STS static transfer switch output end, and the STS static transfer switch output end is connected with load equipment;
the second power detection circuit is electrically connected with the output end of the STS static transfer switch, detects the power consumption of the load equipment and transmits the power consumption to the controller;
the power output end of the lead-acid storage battery is electrically connected with the first input end of the STS static transfer switch through the DC-AC converter;
the power output end of the diesel generator is electrically connected with the second path of input end of the STS static transfer switch through an AC-AC converter;
the first voltage detection circuit, the second voltage detection circuit, the first power detection circuit, the second power detection circuit, the control end of the STS static transfer switch and the control end of the diesel generator are respectively electrically connected with the controller.
2. A microgrid power generation device according to claim 1, characterized in that: the system also comprises a wireless communication module;
the wireless communication module is electrically connected with the controller.
3. A microgrid power generation device according to claim 1 or 2, characterized in that: the device also comprises a manual power supply switching button;
the manual power supply switching button is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221909574.7U CN217984552U (en) | 2022-07-20 | 2022-07-20 | Micro power grid power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221909574.7U CN217984552U (en) | 2022-07-20 | 2022-07-20 | Micro power grid power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217984552U true CN217984552U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221909574.7U Active CN217984552U (en) | 2022-07-20 | 2022-07-20 | Micro power grid power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217984552U (en) |
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2022
- 2022-07-20 CN CN202221909574.7U patent/CN217984552U/en active Active
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