CN210669621U - Photovoltaic commercial power automatic switching power supply system based on programmable controller control - Google Patents
Photovoltaic commercial power automatic switching power supply system based on programmable controller control Download PDFInfo
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- CN210669621U CN210669621U CN201921520016.XU CN201921520016U CN210669621U CN 210669621 U CN210669621 U CN 210669621U CN 201921520016 U CN201921520016 U CN 201921520016U CN 210669621 U CN210669621 U CN 210669621U
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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
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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Abstract
The utility model discloses a photovoltaic commercial power automatic switch-over power supply system based on programmable controller control, this power supply system uses programmable controller (11) as the core, charge for battery (7) through solar cell panel (5), through the voltage of solar control ware (6) monitoring battery (7), when battery (7) voltage is not enough, solar control ware (6) send signal to programmable controller (11), realize circuit conversion by the relay in programmable controller (11) control system again, become commercial power supply by photovoltaic power supply; when the voltage of the storage battery (7) is enough, the relay is controlled by the programmable controller (11) to switch back to photovoltaic power supply. The utility model discloses a photovoltaic commercial power automatic switch-over power supply system based on programmable controller control, this system when using on public facilities, realized automatic and manual switching between photovoltaic and commercial power two kinds of modes of supplying power, simultaneously, this system simple structure, low cost.
Description
Technical Field
The utility model relates to a relevant equipment field of communal facility specifically is a photovoltaic commercial power automatic switch-over power supply system based on programmable controller control.
Background
At present, most of common public facilities such as publicity columns and street lamps adopt a 220V mains supply mode, and a few adopt photovoltaic power supply modes. When the number of the loads used by the public facilities is large and the power is large, the electric energy loss can be increased linearly by a pure mains supply power supply mode, and the energy conservation is not facilitated. And the solar power supply mode is used, the requirements on the area size of the solar panel, the number of the batteries and the capacity are very high, the larger the load power is, the larger the area of the solar panel is, the larger the number of the batteries and the capacity can be correspondingly increased, and the cost can be greatly increased. The use of solar energy for power supply is also influenced by weather changes, and public facilities can be out of work when the solar energy is in rainy days for a long time.
In the prior art, some cases can realize automatic switching between commercial power and photovoltaic power supply, which solves the technical defects to a certain extent, but the technical schemes in the cases have high cost and complex system, and manual switching cannot be performed under the condition that the automatic switching system fails.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model aims at providing a photovoltaic commercial power automatic switch-over power supply system based on programmable controller control uses this power supply system to supply power for the utility, can realize automatic and manual switching between photovoltaic power supply and commercial power two kinds of modes, and simultaneously, this system simple structure, low cost.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a photovoltaic commercial power automatic switch-over power supply system based on programmable controller control, power supply system includes commercial power input interface, load end, first switching power supply, second switching power supply, direct current accuse direct current normally closed relay, direct current accuse exchanges normally closed relay, direct current accuse direct current normally open relay, solar cell panel, battery, solar controller and programmable controller.
The commercial power input interface is connected with a direct-current control alternating-current normally-closed relay, the output end of the direct-current control alternating-current normally-closed relay is connected with a first switching power supply, and the first switching power supply is connected with a load end after passing through a direct-current control direct-current normally-open relay;
the solar panel is connected to the input end of the solar controller; the storage battery is connected to the battery end of the solar controller, and 2 lines are additionally led out between the solar controller and the storage battery and are converged and output with the mains supply switch power supply through the output end of a direct-current control direct-current normally-closed relay;
the direct-current control direct-current normally closed relay, the direct-current control alternating-current normally closed relay, the direct-current control direct-current normally open relay and the solar controller are connected with the programmable controller; a second switching power supply is also arranged between the direct-current control alternating-current normally-closed relay and the programmable controller; the direct-current control direct-current normally closed relay, the direct-current control alternating-current normally closed relay, the direct-current control direct-current normally open relay and the programmable controller are powered by a first switching power supply and a second switching power supply.
Furthermore, the power supply system also comprises a touch screen, and the touch screen is connected with the programmable controller; and the touch screen is provided with a button.
The utility model discloses a photovoltaic commercial power automatic switch-over power supply system based on programmable controller control, this power supply system when using on public facilities, realized automatic and manual switching between two kinds of modes of photovoltaic power supply and commercial power supply, simultaneously, this system simple structure, low cost.
Drawings
Fig. 1 is a circuit diagram of embodiment 1 of the present invention;
fig. 2 is a circuit diagram of embodiment 2 of the present invention;
FIG. 3 is a touch pad interface layout of the present invention;
in the figure, 1, a mains supply input interface, 2, a first switching power supply, 3, a direct current control alternating current normally closed relay, 4, a direct current control direct current normally closed relay, 5, a solar panel, 6, a solar controller, 7, a storage battery, 8, a load end, 9, a direct current control direct current normally open relay, 10, a second switching power supply, 11, a programmable controller and 12, a touch screen are arranged.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
Example 1
As shown in fig. 1, a photovoltaic commercial power automatic switching power supply system based on programmable controller control, the power supply system includes a commercial power input interface 1, a load terminal 8, a first switching power supply 2, a second switching power supply 10, a dc-controlled dc normally closed relay 4, a dc-controlled ac normally closed relay 3, a dc-controlled dc normally open relay 9, a solar panel 5, a storage battery 7 and a solar controller 6.
The commercial power input interface 1 is connected with a direct-current control alternating-current normally closed relay 3, the output end of the direct-current control alternating-current normally closed relay 3 is connected with a first switching power supply 2, and the switching power supply is connected with a load end 8 after passing through a direct-current control direct-current normally open relay 9;
the solar panel 5 is connected in series with the input end of the solar controller 6; the storage battery 7 is connected in series with the battery end of the solar controller 6, and 2 lines are additionally led out between the solar controller 6 and the storage battery 7 and are converged and output with a mains supply switch power supply through the output end of a direct-current control direct-current normally-closed relay 4;
the direct-current control direct-current normally closed relay 4, the direct-current control alternating-current normally closed relay 3, the direct-current control direct-current normally open relay 9 and the solar controller 6 are connected with the programmable controller 11; a second switching power supply 10 is also arranged between the direct-current control alternating-current normally-closed relay 3 and the programmable controller 11; the direct-current control direct-current normally closed relay 4, the direct-current control alternating-current normally closed relay 3, the direct-current control direct-current normally open relay 9 and the programmable controller 11 are powered by a first switching power supply 2 and a second switching power supply 10.
When the system is operated, solar energy is used for supplying power preferentially, the load voltage output range of the storage battery 7 is 20V-25V, the load output voltage of the solar controller 6 is set to be 24V, when the voltage of the storage battery 7 reaches 24V, the load output end of the solar controller 6 outputs a direct current signal to the programmable controller 11 through the port A, a program in the programmable controller 11 controls the direct current control alternating current normally closed relay 3 to be opened through the channel B, a commercial power supply line is opened, and at the moment, the load is directly supplied with power by the storage battery 7; when the voltage of the storage battery 7 is reduced to 20V, the access A is disconnected, the commercial power is accessed, and the direct current control alternating current normally closed relay 3 is controlled by a program to recover the normally closed state; programmable controller 11 controls direct current accuse direct current normally closed relay 4 through route C and opens the way, controls direct current accuse direct current normally open relay 9 through route D and closes, is opened relay 9 through direct current accuse direct current by first switching power supply 2 and normally opens the relay 9 and supply power to the load to the disconnection photovoltaic power supply line, charges battery 7 through solar cell panel 5, when battery 7 voltage reaches threshold value 24V, switches back solar energy power supply again, reaches the complementary automatic switch's of photovoltaic and commercial power purpose.
Example 2
The embodiment can realize automatic switching and manual switching of photovoltaic and commercial power, the automatic switching function is the same as that of embodiment 1, the manual switching function is shown in fig. 2 and 3, and the programmable controller 11 is connected with a touch screen 12; the touch screen 12 is provided with buttons, and the buttons comprise an automatic mode, a manual mode, a commercial power mode, a photovoltaic mode and a stop mode;
when the manual mode is clicked, the touch screen 12 transmits a signal to the programmable controller 11, the program in the programmable controller 11 disconnects the automatic circuit, and the commercial power mode or the photovoltaic mode can be manually adjusted and selected after the automatic circuit is disconnected.
When the automatic mode is clicked, the touch screen 12 transmits a signal to the programmable controller 11, a program in the programmable controller 11 connects an automatic loop, and a power supply system restores the automatic switching mode; when the click stops, the whole system is completely disconnected, and the public facilities of the load end 8 are shut down.
Claims (2)
1. A photovoltaic commercial power automatic switching power supply system based on programmable controller control is characterized in that the power supply system comprises a commercial power input interface (1), a load end (8), a first switch power supply (2), a second switch power supply (10), a direct current control direct current normally closed relay (4), a direct current control alternating current normally closed relay (3), a direct current control direct current normally open relay (9), a solar cell panel (5), a storage battery (7), a solar controller (6) and a programmable controller (11);
the commercial power input interface (1) is connected with a direct-current control alternating-current normally-closed relay (3), the output end of the direct-current control alternating-current normally-closed relay (3) is connected with a first switching power supply (2), and the first switching power supply (2) is connected with a load end (8) through a direct-current control direct-current normally-open relay (9);
the solar panel (5) is connected to the input end of the solar controller (6); the storage battery (7) is connected to the battery end of the solar controller (6), and 2 lines are led out between the solar controller (6) and the storage battery (7) and are converged and output with a mains supply switch power supply through the output end of a direct-current control direct-current normally-closed relay (4);
the direct-current control direct-current normally closed relay (4), the direct-current control alternating-current normally closed relay (3), the direct-current control direct-current normally open relay (9) and the solar controller (6) are connected with the programmable controller (11); a second switching power supply (10) is also arranged between the direct-current control alternating-current normally-closed relay (3) and the programmable controller (11); the direct-current control direct-current normally closed relay (4), the direct-current control alternating-current normally closed relay (3), the direct-current control direct-current normally open relay (9) and the programmable controller (11) are powered by a second switching power supply (10).
2. The photovoltaic commercial power automatic switching power supply system based on programmable controller control of claim 1, characterized in that, the power supply system further comprises a touch screen (12), the touch screen (12) is connected with the programmable controller (11); the touch screen (12) is provided with buttons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921520016.XU CN210669621U (en) | 2019-09-12 | 2019-09-12 | Photovoltaic commercial power automatic switching power supply system based on programmable controller control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921520016.XU CN210669621U (en) | 2019-09-12 | 2019-09-12 | Photovoltaic commercial power automatic switching power supply system based on programmable controller control |
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| Publication Number | Publication Date |
|---|---|
| CN210669621U true CN210669621U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921520016.XU Active CN210669621U (en) | 2019-09-12 | 2019-09-12 | Photovoltaic commercial power automatic switching power supply system based on programmable controller control |
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| Country | Link |
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| CN (1) | CN210669621U (en) |
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2019
- 2019-09-12 CN CN201921520016.XU patent/CN210669621U/en active Active
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| CP01 | Change in the name or title of a patent holder |
Address after: 221000 Industrial Park on the west side of national highway 104, Maocun Town, Tongshan District, Xuzhou City, Jiangsu Province Patentee after: China media digital media (Jiangsu) Co.,Ltd. Address before: 221000 Industrial Park on the west side of national highway 104, Maocun Town, Tongshan District, Xuzhou City, Jiangsu Province Patentee before: JIANGSU ZHONGMEI SIGN MANUFACTURING CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220120 Address after: 221000 room 1-101a210, building 1, science and technology entrepreneurship building, No. 19, Yangshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Yunji Electronic Technology Research Institute Co.,Ltd. Address before: 221000 Industrial Park on the west side of national highway 104, Maocun Town, Tongshan District, Xuzhou City, Jiangsu Province Patentee before: China media digital media (Jiangsu) Co.,Ltd. |
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| TR01 | Transfer of patent right |