CN218850458U - Photovoltaic power generation control box - Google Patents
Photovoltaic power generation control box Download PDFInfo
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- CN218850458U CN218850458U CN202223281548.7U CN202223281548U CN218850458U CN 218850458 U CN218850458 U CN 218850458U CN 202223281548 U CN202223281548 U CN 202223281548U CN 218850458 U CN218850458 U CN 218850458U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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Abstract
The utility model discloses a photovoltaic power generation control box, which comprises a photovoltaic control unit, a rechargeable battery, an inverter, a backup power supply unit, a first switching unit, a voltage conversion unit, a lighting time control unit, a second switching unit and a water pump time control unit; the photovoltaic control unit is used for accessing 24V voltage of the photovoltaic panel and controlling charging and discharging of the rechargeable battery; the inverter is used for converting DC24V into AC220V; the backup power supply unit is used for converting AC220V commercial power into DC24V; the first switching unit is used for switching the power supply; the voltage conversion unit is used for converting the DC24V into working voltage; the second switching unit is used for switching an AC220V power supply. It is visible, the utility model discloses can switch through first switching unit and second switching unit according to actual illumination time, in-service use demand, satisfy different user demands, simple structure easily realizes.
Description
Technical Field
The utility model relates to a power generation box technical field especially relates to a photovoltaic power generation control box.
Background
With the application of photovoltaic power generation panels and the improvement of energy conservation and environmental protection awareness of people, the requirement on the application of photovoltaic power generation to families is more and more urgent, and a photovoltaic power generation control box is presented based on the requirement. The existing photovoltaic power generation control box comprises a photovoltaic control unit, a rechargeable battery and an inverter, wherein the photovoltaic control unit is externally connected with a DC24V of a photovoltaic panel and controls the rechargeable battery to charge and discharge, and the inverter converts the DC24V into AC220V. The existing photovoltaic power generation control box utilizes the photovoltaic panel to generate power, so that the generated power is not enough for household use when the illumination time is not long enough.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough, the utility model discloses the technical problem that will solve is: the utility model provides a photovoltaic power generation control box with back-up source, can switch photovoltaic board and back-up source power supply according to actual need, satisfy the family and use, and simple structure, it is with low costs.
In order to solve the technical problem, the technical scheme of the utility model is that:
a photovoltaic power generation control box comprises a photovoltaic control unit, a rechargeable battery and an inverter; the photovoltaic control unit is used for accessing 24V voltage of a photovoltaic panel and controlling the charging and discharging of the rechargeable battery; the inverter is used for converting DC24V into AC220V; the control box further comprises: a backup power supply unit for converting AC220V mains power into DC24V; the input end of the first switching unit is electrically connected with the output end of the photovoltaic control unit and the output end of the backup power supply unit respectively, the output end of the first switching unit is electrically connected with the rechargeable battery, and the first switching unit is used for switching a power supply; the input end of the voltage conversion unit is electrically connected with the output end of the first switching unit, and the voltage conversion unit is used for converting DC24V into working voltage; the first wiring terminal is electrically connected with the input end of the photovoltaic control unit and the input end of the inverter respectively; the illumination time control unit is electrically connected with the output end of the first switching unit, is externally connected with at least one illuminating lamp through a second wiring terminal and is used for controlling each illuminating lamp; the input end of the second switching unit is electrically connected with the output end of the inverter and the input end of the backup power supply unit respectively, and the second switching unit is used for switching an AC220V power supply source; the water pump time control unit is electrically connected with the output end of the second switching unit, the water pump time control unit is externally connected with the water pump through a third wiring terminal, and the water pump time control unit is used for controlling the water pump.
Preferably, the first switching unit includes a first dual-control switch, an input end of the first dual-control switch is electrically connected to an output end of the photovoltaic control unit and an output end of the backup power supply unit, respectively, and an output end of the first dual-control switch is electrically connected to the rechargeable battery, the inverter, the lighting time control unit, and the voltage conversion unit, respectively; and/or; the second switching unit comprises a second dual-control switch, the input end of the second dual-control switch is electrically connected with the output end of the inverter and the input end of the backup power supply unit, and the output end of the second dual-control switch is electrically connected with the water pump time control unit and the lighting time control unit.
Preferably, the voltage conversion unit comprises a 12V voltage conversion unit and a 5V voltage conversion unit; the input end of the 12V voltage conversion unit is electrically connected with the output end of the first double-control switch, and the output end of the 12V voltage conversion unit is externally connected with 12V electric equipment; the input end of the 5V voltage conversion unit is electrically connected with the output end of the first double-control switch, and the output end of the 5V voltage conversion unit is externally connected with 5V electric equipment.
Preferably, the control box further comprises a socket, and the socket is electrically connected with the input end of the backup power supply unit and the output end of the second switching unit respectively.
Preferably, the control box further comprises a grounding bar, and the grounding bar is grounded.
Preferably, the inverter is provided with a fan.
Preferably, a first miniature circuit breaker is connected in series between the output end of the first double-control switch and the rechargeable battery.
Preferably, a second miniature circuit breaker is connected in series between the output end of the inverter and the second switching unit.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
the photovoltaic power generation control box comprises a photovoltaic control unit, a rechargeable battery, an inverter, a backup power supply unit, a first switching unit, a voltage conversion unit, a first wiring terminal, a lighting time control unit, a second switching unit and a water pump time control unit; the photovoltaic control unit is used for accessing 24V voltage of the photovoltaic panel and controlling charging and discharging of the rechargeable battery; wherein the inverter is used for converting DC24V into AC220V; the backup power supply unit is used for converting AC220V commercial power into DC24V; the first switching unit is used for switching the power supply; the voltage conversion unit is used for converting DC24V into working voltage; the lighting time control unit is used for controlling each lighting lamp; the second switching unit is used for switching an AC220V power supply source; wherein the water pump time control unit is used for controlling the water pump. Therefore, the utility model can be switched by the first switching unit to supply power or the backup power supply according to the actual illumination time, the actual use requirement and the like, and can also be switched by the second switching unit to be converted into AC220V by the inverter or directly use the commercial power accessed by the backup power supply unit; different use requirements are met, the structure is simple, and the realization is easy.
The voltage conversion unit comprises a 12V voltage conversion unit and a 5V voltage conversion unit; the input end of the 12V voltage conversion unit is electrically connected with the output end of the first double-control switch, and the output end of the 12V voltage conversion unit is externally connected with 12V electric equipment; the input end of the 5V voltage conversion unit is electrically connected with the output end of the first double-control switch, and the output end of the 5V voltage conversion unit is externally connected with 5V electric equipment and can supply power for 12V electric equipment and 5V electric equipment.
Because the control box also comprises a socket which is respectively and electrically connected with the input end of the backup power supply unit and the output end of the second switching unit, the AC220V of the control box can be used through the socket, and different using modes are provided.
Because the control box also comprises the grounding bar, the grounding bar is grounded, and the safety of the whole control box is improved.
To sum up, the utility model solves the technical problem that the photovoltaic power generation control box in the prior art has insufficient illumination time, which causes insufficient power generation of the photovoltaic panel for household use; the utility model is additionally arranged on the backup power supply unit and the first switching unit, and the first switching unit switches between the photovoltaic panel and the backup power supply unit, so as to ensure that the power supply can be switched to the backup power supply unit under the condition of insufficient illumination time, and further ensure the household power consumption; and simultaneously the utility model discloses photovoltaic control unit, illumination time control unit and water pump time control unit have still been set up to intelligent control rechargeable battery charges, illumination and water pump.
Drawings
FIG. 1 is a schematic block diagram of a photovoltaic power generation control box according to the present invention;
FIG. 2 is a circuit diagram of a photovoltaic power generation control box according to the present invention;
in the figure: the system comprises a U1-photovoltaic control unit, a U2-inverter, a U3-backup power supply unit, a U4-lighting time control unit, a U5-water pump time control unit, a U6-socket, a U70-12V voltage conversion unit, a U71-5V voltage conversion unit, a U8-router, a K1-first double-control switch, a K2-second double-control switch, a K3-first miniature circuit breaker, a K4-second miniature circuit breaker, a J1-first wiring terminal, a J2-second wiring terminal, a J3-third wiring terminal and a J4-grounding wire row.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, the photovoltaic power generation control box comprises a waterproof box body, wherein a photovoltaic control unit U1, a rechargeable battery, an inverter U2, a backup power supply unit U3, a first switching unit, a voltage conversion unit, a first wiring terminal J1, an illumination time control unit U4, a second switching unit and a water pump time control unit U5 are arranged on the waterproof box body. When the photovoltaic power generation device is used, the photovoltaic panel or the backup power supply can be switched to supply power through the first switching unit according to actual illumination time, actual use requirements and the like, the inverter U2 can be switched to convert AC220V through the second switching unit, or commercial power accessed by the backup power supply unit U3 can be directly used; different use requirements are met.
As shown in fig. 2, the photovoltaic control unit U1 is configured to access DC24V of the photovoltaic panel and control charging and discharging of the rechargeable battery E, and preferably, the photovoltaic control unit U1 includes a photovoltaic controller of HBS0LAR PC-3000L model; after the DC24V of the photovoltaic panel is connected to the photovoltaic controller, the turn-on time of the charging indicator lamp, the full charge voltage of the rechargeable battery E and the reset voltage of the rechargeable battery E can be set through keys on the photovoltaic controller. Specifically, the output end of the photovoltaic panel is electrically connected to the J10 terminal and the J11 terminal of the first connection terminal J1, and the J10 terminal and the J11 terminal are electrically connected to the input end of the photovoltaic control unit U1.
As shown in fig. 2, the rechargeable battery E is a 24V150AH lithium iron phosphate battery, the charging voltage of which is 29.2V, and the cut-off discharging voltage is 20V.
As shown in fig. 2, the inverter U2 is used for converting DC24V into AC220V, and preferably, a fan is disposed on the inverter U2, and the input terminal of the inverter U2 can also be directly connected to DC24V of the photovoltaic panel through the first connection terminal J1.
As shown in fig. 2, the backup power supply unit U3 is configured to convert AC220V commercial power into DC24V commercial power, specifically, the backup power supply unit U3 is an AC/DC circuit, and when the illumination time is short and the photovoltaic panel cannot meet the requirement for power generation, the backup power supply unit U3 supplies power after switching to meet the requirement for use.
As shown in fig. 2, an input end of the first switching unit is electrically connected to an output end of the photovoltaic control unit U1 and an output end of the backup power supply unit U3, respectively, an output end of the first switching unit is electrically connected to the rechargeable battery, and the first switching unit is configured to switch the power supply. In this embodiment, the first switching unit includes a first dual-control switch K1, the first dual-control switch K1 may be of an HS11BC-63A type, an input end of the first dual-control switch K1 is electrically connected to an output end of the photovoltaic control unit U1 and an output end of the backup power supply unit U3, respectively, and an output end of the first dual-control switch K1 is electrically connected to the rechargeable battery, the inverter U2, the lighting time control unit U4, and the voltage conversion unit, respectively. According to a preferable scheme, a first miniature circuit breaker K3 is connected between the output end of the first double-control switch K1 and the rechargeable battery in series, and the first miniature circuit breaker K3 is NB1Z-63Z/2P 40A in type.
It should be noted that: when the first double-control switch K1 is operated to be conducted with the photovoltaic control unit U1 and the first double-control switch K1 is disconnected with the backup power supply unit U3, the photovoltaic power generation control box generates power by using the photovoltaic panel; when the first double-control switch K1 is operated to be disconnected from the photovoltaic control unit U1 and the first double-control switch K1 is connected with the backup power supply unit U3, the photovoltaic power generation control box supplies power by using the backup power supply unit U3.
As shown in fig. 2, the lighting time control unit U4 selects SKMFD-08SK lighting time controller, and is electrically connected to the output end of the first switching unit, the lighting time control unit U4 is externally connected to at least one lighting lamp through a second connection terminal J2, and the lighting lamp may include an LED1, an LED2, an LED3, an LED4, and an LED5; the illumination time control unit U4 is used for controlling each illumination lamp; the illumination time control unit U4 can control the on-off time of the illumination lamp according to the set time, holidays, illumination intensity and the like.
As shown in fig. 2, the input terminals of the second switching unit are electrically connected to the output terminal of the inverter U2 and the input terminal of the backup power unit U3, respectively, and the second switching unit is used for switching the AC220V power supply. In this embodiment, the second switching unit includes a second dual-control switch K2, the second dual-control switch K2 may be of an HS18-32A type, an input end of the second dual-control switch K2 is electrically connected to an output end of the inverter U2 and an input end of the backup power supply unit U3, and an output end of the second dual-control switch K2 is electrically connected to the water pump time control unit U5 and the lighting time control unit U4. According to a preferable scheme, a second miniature circuit breaker K4 is connected between the output end of the inverter U2 and the second switching unit in series, and the model of the second miniature circuit breaker K4 is DZ47-63C/2P 16A.
It should be noted that: when the second double-control switch K2 acts to be conducted with the inverter U2 and the input end of the backup power supply unit U3 is disconnected, the photovoltaic power generation control box uses AC220V converted by the photovoltaic panel of the inverter U2; when the second dual-control switch K2 is operated to be disconnected from the inverter U2 and the input end of the backup power unit U3 is connected, the photovoltaic power generation control box uses AC220V commercial power connected to the backup power unit U3.
As shown in fig. 2, the water pump time control unit U5 includes KG316T, the water pump time control unit U5 is electrically connected with the output end of the second switching unit, the water pump time control unit U5 is connected with the external water pump through the third connection terminal J3, and the water pump time control unit U5 is used for controlling the water pump. Specifically, the water pump can be rockery landscape water pump, and rockery landscape water pump is connected with third binding post J3's J30 terminal and J31 terminal electricity, and J30 terminal and J31 terminal are connected with water pump time control unit U5 electricity again, make water pump time control unit U5 can intelligent control rockery landscape water pump's on-off time. In addition, two terminals of the third connection terminal J3 are respectively connected to the AC220V live line L and the neutral line N, that is, the AC220V can be used by the third connection terminal J3.
As shown in fig. 2, the input terminal of the voltage conversion unit is electrically connected to the output terminal of the switching unit, and the voltage conversion unit is used for converting DC24V into an operating voltage. The voltage conversion unit in the embodiment comprises a 12V voltage conversion unit U70 and a 5V voltage conversion unit U71; the input end of the 12V voltage conversion unit U70 is electrically connected with the output end of the first double-control switch K1, and the output end of the 12V voltage conversion unit U70 is externally connected with 12V electric equipment, such as an entrance guard; the input end of the 5V voltage conversion unit U71 is electrically connected to the output end of the first double-control switch K1, and the output end of the 5V voltage conversion unit U71 is externally connected to a 5V electric device, such as a router U8.
As shown in fig. 2, the control box in this embodiment further includes a socket U6 and a ground bar J4, wherein the socket U6 is electrically connected to the input terminal of the backup power unit U3 and the output terminal of the second switching unit, so that the improved AC220V of the present invention can be used through the socket U6; the grounding bar J4 is grounded GND, so that the safety of the whole control box is improved.
As shown in fig. 1 and fig. 2, the photovoltaic power generation control box of the present invention, by providing the backup power unit U3, the first switching unit and the second switching unit, can adjust the illumination time according to the illumination time of the holidays and different seasons, select the photovoltaic panel power generation or the backup power unit U3 for power supply, and can be manually switched, which is convenient to operate; the utility model discloses a lighting time control unit U4 and water pump time control unit U5, but on-off time such as intelligent control rockery view water pump, router U8, entrance guard, light has promoted the utility model discloses an it is intelligent.
The above is only a preferred embodiment of the present invention, and should not be limited to the present invention, and any modification made within the spirit and principle of the present invention, such as an improvement of the photovoltaic power generation control box, should be included in the protection scope of the present invention.
Claims (8)
1. A photovoltaic power generation control box comprises a photovoltaic control unit, a rechargeable battery and an inverter;
the photovoltaic control unit is used for accessing DC24V of a photovoltaic panel and controlling charging and discharging of the rechargeable battery;
the inverter is used for converting DC24V into AC220V;
its characterized in that, the control box still includes:
a backup power supply unit for converting AC220V mains power into DC24V;
the input end of the first switching unit is electrically connected with the output end of the photovoltaic control unit and the output end of the backup power supply unit respectively, the output end of the first switching unit is electrically connected with the rechargeable battery, and the first switching unit is used for switching a power supply;
the input end of the voltage conversion unit is electrically connected with the output end of the first switching unit, and the voltage conversion unit is used for converting DC24V into working voltage;
the first wiring terminal is electrically connected with the input end of the photovoltaic control unit and the input end of the inverter respectively;
the illumination time control unit is electrically connected with the output end of the first switching unit, is externally connected with at least one illuminating lamp through a second wiring terminal and is used for controlling each illuminating lamp;
the input end of the second switching unit is electrically connected with the output end of the inverter and the input end of the backup power supply unit respectively, and the second switching unit is used for switching an AC220V power supply source;
the water pump time control unit is electrically connected with the output end of the second switching unit, the water pump time control unit is externally connected with the water pump through a third wiring terminal, and the water pump time control unit is used for controlling the water pump.
2. The photovoltaic power generation control box according to claim 1, wherein the first switching unit comprises a first double-control switch, an input end of the first double-control switch is electrically connected with an output end of the photovoltaic control unit and an output end of the backup power supply unit respectively, and an output end of the first double-control switch is electrically connected with the rechargeable battery, the inverter, the lighting time control unit and the voltage conversion unit respectively; and/or;
the second switching unit comprises a second dual-control switch, the input end of the second dual-control switch is electrically connected with the output end of the inverter and the input end of the backup power supply unit, and the output end of the second dual-control switch is electrically connected with the water pump time control unit and the illumination time control unit.
3. The photovoltaic power generation control box according to claim 2, wherein the voltage conversion unit includes a 12V voltage conversion unit and a 5V voltage conversion unit;
the input end of the 12V voltage conversion unit is electrically connected with the output end of the first double-control switch, and the output end of the 12V voltage conversion unit is externally connected with 12V electric equipment;
the input end of the 5V voltage conversion unit is electrically connected with the output end of the first double-control switch, and the output end of the 5V voltage conversion unit is externally connected with 5V electric equipment.
4. The photovoltaic power generation control box according to claim 1, further comprising a socket electrically connected to an input terminal of the backup power supply unit and an output terminal of the second switching unit, respectively.
5. The photovoltaic power generation control box of claim 1, further comprising a ground bar, the ground bar being grounded.
6. The photovoltaic power generation control box according to claim 1, wherein a fan is provided on the inverter.
7. The pv power generation control box of claim 2, wherein a first miniature circuit breaker is connected in series between the output of the first dual-control switch and the rechargeable battery.
8. The photovoltaic power generation control box according to claim 1, wherein a second miniature circuit breaker is connected in series between the output terminal of the inverter and the second switching unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223281548.7U CN218850458U (en) | 2022-12-06 | 2022-12-06 | Photovoltaic power generation control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223281548.7U CN218850458U (en) | 2022-12-06 | 2022-12-06 | Photovoltaic power generation control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218850458U true CN218850458U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223281548.7U Active CN218850458U (en) | 2022-12-06 | 2022-12-06 | Photovoltaic power generation control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218850458U (en) |
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2022
- 2022-12-06 CN CN202223281548.7U patent/CN218850458U/en active Active
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