CN209767224U - Solar-based television power supply system - Google Patents

Solar-based television power supply system Download PDF

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Publication number
CN209767224U
CN209767224U CN201920573874.4U CN201920573874U CN209767224U CN 209767224 U CN209767224 U CN 209767224U CN 201920573874 U CN201920573874 U CN 201920573874U CN 209767224 U CN209767224 U CN 209767224U
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CN
China
Prior art keywords
relay
module
solar
television
capacitor
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920573874.4U
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Chinese (zh)
Inventor
翁海青
廖小平
李志勇
王国华
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Zhuhai Cheng Feng Electrical Appliance Co Ltd
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Zhuhai Cheng Feng Electrical Appliance Co Ltd
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Priority to CN201920573874.4U priority Critical patent/CN209767224U/en
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Expired - Fee Related legal-status Critical Current
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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
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

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  • Stand-By Power Supply Arrangements (AREA)

Abstract

The utility model discloses a TV set continuation of electricity system based on solar energy, a serial communication port, include: the solar energy television comprises a solar cell panel, a DC-DC module, a storage battery, a DC-AC module and a switching module, wherein the output end of the solar cell panel is connected with the storage battery through the DC-DC module, and the switching module is respectively connected with a commercial power, the output end of the DC-AC module and the power end of the television. Based on the photovoltaic power generation system, when the commercial power is cut off, the power generated by the storage battery effectively switched over the module is supplied to the television, so that the television is prevented from being cut off. Is very convenient and environment-friendly. The utility model discloses can be used to TV set technical field.

Description

Solar-based television power supply system
Technical Field
The utility model relates to a TV set technical field, in particular to TV set continuation of electricity system based on solar energy.
Background
The existing television depends on an external power supply, and the television cannot be normally used under the condition of power failure at home, so that the television is very inconvenient. However, the existing televisions all use the electricity generated by coal-electricity power plants as power supply, thereby not only consuming precious energy resources, but also causing harm to the environment. Therefore, the solar energy is increasingly regarded as an inexhaustible new environmental-friendly energy, and therefore, the adoption of the solar energy as the energy is a great trend in the future.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a TV set continuation of electricity system based on solar energy can be in the time of the outage of TV set 400 automatic switch-over to back-up source.
the utility model provides a solution of its technical problem is: a television power-continuing system based on solar energy is characterized by comprising: the solar energy television comprises a solar cell panel, a DC-DC module, a storage battery, a DC-AC module and a switching module, wherein the output end of the solar cell panel is connected with the storage battery through the DC-DC module, and the switching module is respectively connected with a commercial power, the output end of the DC-AC module and the power end of the television;
The DC-DC module is used for converting direct current generated by the solar panel into direct current for charging the storage battery; the DC-AC module is used for converting direct current discharged by the storage battery into 220V alternating current to be output, and the switching module is used for connecting the output end of the DC-AC module with the power supply end of the television when the mains supply is powered off;
The switching module includes: the live wire switching circuit and the zero line switching circuit;
The live wire switching circuit includes: a first capacitor, a first filter capacitor, a first bridge rectifier, a first voltage stabilizing diode and a first relay, the left end of the first capacitor is connected with the live wire end of the commercial power, the right end of the first capacitor is connected with the positive input end of the first bridge rectifier, the negative pole input end of the first bridge rectifier is connected with the zero line end of the commercial power, the positive pole output end of the first bridge rectifier is respectively connected with the negative pole of the first voltage stabilizing diode, the positive pole of the first filter capacitor and the upper end of the coil of the first relay, the lower end of the coil of the first relay is respectively connected with the cathode of the first filter capacitor, the anode of the first voltage stabilizing diode and the cathode output end of the first bridge rectifier, the normally open end of the first relay is connected with a live wire end of a mains supply, the normally closed end of the first relay is connected with the L-phase output end of the DC-AC module, and the movable end of the first relay is connected with the L-phase input end of the television;
Zero line switching circuit includes: a third capacitor, a second filter capacitor, a second bridge rectifier, a second voltage stabilizing diode and a second relay, the left end of the third capacitor is connected with the live wire end of the commercial power, the right end of the third capacitor is connected with the anode input end of the second bridge rectifier, the negative pole input end of the second bridge rectifier is connected with the zero line end of the commercial power, the positive pole output end of the second bridge rectifier is respectively connected with the negative pole of the second voltage stabilizing diode, the positive pole of the second filter capacitor and the upper end of the coil of the second relay, the lower end of the coil of the second relay is respectively connected with the cathode of the second filter capacitor, the anode of the second voltage stabilizing diode and the cathode output end of the second bridge rectifier, the normally open end of the second relay is connected with the zero line end of the commercial power, the normally closed end of the second relay is connected with the N-phase output end of the DC-AC module, and the moving end of the second relay is connected with the N-phase input end of the television.
Further, live wire switching circuit still includes first resistance, first resistance and first electric capacity are parallelly connected, zero line switching circuit still includes the second resistance, the second resistance is parallelly connected with the third electric capacity.
Further, an anti-reverse diode is connected in series between the L-phase output end of the DC-AC module and the normally closed end of the first relay.
Further, an anti-reverse diode is connected in series between the N-phase output end of the DC-AC module and the normally closed end of the second relay.
Further, the storage battery is a lithium battery.
Further, the solar cell panel is a flexible solar cell panel.
Furthermore, the upper end of the coil of the first relay is connected with a current limiting resistor in series.
Furthermore, the upper end of the coil of the second relay is connected with a current limiting resistor in series.
Furthermore, a voltage dependent resistor is connected between the live wire end and the zero line end of the commercial power.
Further, the model of the piezoresistor is 10D 471K.
the utility model has the advantages that: based on the photovoltaic power generation system, when the commercial power is cut off, the power generated by the storage battery effectively switched over the module is supplied to the television, so that the television is prevented from being cut off. Is very convenient and environment-friendly.
Drawings
in order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
FIG. 1 is a block diagram of the inventive system;
Fig. 2 is a schematic diagram of the circuit connection created by the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1 and 2, a solar-based television power supplying system includes: the solar energy charging system comprises a solar energy panel 100, a DC-DC module 200, a storage battery 300, a DC-AC module 500 and a switching module 600, wherein the output end of the solar energy panel 100 is connected with the storage battery 300 through the DC-DC module 200, the switching module 600 is respectively connected with commercial power, the output end of the DC-AC module 500 and the power supply end of the television 400, the DC-DC module 200 is used for converting direct current generated by the solar energy panel 100 into direct current for charging the storage battery 300, the DC-AC module 500 is used for converting the direct current discharged by the storage battery 300 into 220V alternating current for output, and the switching module 600 is used for connecting the output end of the DC-AC module 500 with the power supply end of the television 400 when the commercial power is cut off.
When the system is installed, the solar cell panel 100 can be installed outdoors, the solar cell panel 100, the DC-DC module 200 and the storage battery 300 form a photovoltaic power generation system, and the solar cell panel 100 can convert outdoor light energy into electric energy and store the electric energy in the storage battery 300. When the television 400 needs to supply power, the DC power stored in the storage battery 300 is converted into 220V AC power by the DC-AC module 500 to be used by the television 400, and in the process, the storage battery 300 is used as a backup power source. The inventor creatively designs the switching module 600 to ensure that the electric energy of the storage battery 300 is effectively switched and supplied to the television 400 when the commercial power is cut off.
Wherein the switching module 600 comprises: a live line switching circuit 601 and a zero line switching circuit 602; the live wire switching circuit 601 includes: a first resistor R1, a first capacitor C1, a first filter capacitor C2, a first bridge rectifier 610, a first voltage stabilizing diode D1 and a first relay 630, wherein the first resistor R1 is connected in parallel with the first capacitor C1, the left end of the first capacitor C1 is connected with the live wire end 710 of the commercial power, the right end of the first capacitor C1 is connected with the positive electrode input end of the first bridge rectifier 610, the negative electrode input end of the first bridge rectifier 610 is connected with the neutral wire end 720 of the commercial power, the positive electrode output end of the first bridge rectifier 610 is respectively connected with the negative electrode of the first voltage stabilizing diode D1, the positive electrode of the first filter capacitor C2 and the upper end of the coil of the first relay 630, the lower end of the coil of the first relay 630 is respectively connected with the negative electrode of the first filter capacitor C2, the positive electrode of the first voltage stabilizing diode D1 and the negative electrode output end of the first bridge rectifier 610, the normally open end 710 of the first relay is connected with the live wire end 710 of the commercial power, the normally closed end of the first relay 630 is connected to the L-phase output end of the DC-AC module 500, and the moving end of the first relay 630 is connected to the L-phase input end 410 of the tv 400.
The zero line switching circuit 602 includes: a second resistor R2, a third capacitor C3, a second filter capacitor C4, a second bridge rectifier 620, a second zener diode D2 and a second relay 640, wherein the second resistor R2 is connected in parallel with the third capacitor C3, the left end of the third capacitor C3 is connected with the live wire end 710 of the commercial power, the right end of the third capacitor C3 is connected with the positive electrode input end of the second bridge rectifier 620, the negative electrode input end of the second bridge rectifier 620 is connected with the neutral wire end 720 of the commercial power, the positive electrode output end of the second bridge rectifier 620 is respectively connected with the negative electrode of the second zener diode D2, the positive electrode of the second filter capacitor C4 and the upper end of the coil of the second relay 640, the lower end of the coil of the second relay 640 is respectively connected with the negative electrode of the second filter capacitor C4, the positive electrode of the second zener diode D2 and the negative electrode output end of the second bridge rectifier 620, the normally open end of the second relay 640 is connected with the neutral wire end 720 of the commercial power, the normally closed end of the second relay 640 is connected to the N-phase output end of the DC-AC module 500, and the moving end of the second relay 640 is connected to the N-phase input end 420 of the tv 400.
In the live wire switching circuit 601, a first capacitor C1, a first resistor R1, a first bridge rectifier 610 and a first zener diode D1 form a first rc step-down circuit, wherein in this embodiment, the capacitance value of the first capacitor C1 is 1 μ F, the resistance value of the first resistor R1 is 1M Ω, the model of the first zener diode D1 is 1N4733, the regulated voltage thereof is 5.1V, the first filter capacitor C2 is 160 μ F, the withstand voltage value of the first filter capacitor C2 is 25V, and the driving voltage of the first relay 630 is 5V. When the commercial power is normally supplied, the first resistance-capacitance voltage reduction circuit reduces the 220V alternating current to 5V direct current, the 5V direct current acts on the first relay 630, and the movable end and the normally open end of the first relay 630 are closed, so that the L-phase input end 410 of the television 400 is connected with the live wire end 710 of the commercial power. When the mains supply is powered off, the first resistance-capacitance voltage reduction circuit loses power, the first relay 630 returns to the initial state, that is, the moving end of the first relay 630 is connected with the normally closed end thereof, and the normally closed end of the first relay 630 is connected with the L-phase output end of the DC-AC module 500, so that the L-phase input end 410 of the television 400 is connected with the L-phase output end of the DC-AC module 500, the electric energy of the storage battery 300 is timely supplied to the television 400, and the television 400 can still be used under the condition that the mains supply is powered off.
The operation principle of the neutral line switching circuit 602 is similar to that of the live line switching circuit 601, and in the neutral line switching circuit 602, a third capacitor C3, a second resistor R2, a second bridge rectifier 620 and a second zener diode D2 form a second rc step-down circuit. In this embodiment, the capacitance value of the third capacitor C3 is 1 μ F, the resistance value of the second resistor R2 is 1M Ω, the model of the second zener diode D2 is 1N4733, the regulated voltage thereof is 5.1V, the second filter capacitor C4 is 160 μ F, the withstand voltage value of the second filter capacitor C4 is 25V, and the driving voltage of the second relay 640 is 5V. When the commercial power is normally supplied, the second resistance-capacitance voltage reduction circuit reduces the 220V alternating current to 5V direct current, the 5V direct current acts on the second relay 640, and the moving end and the normally open end of the second relay 640 are closed, so that the N-phase input end 420 of the television 400 is connected with the zero line end 720 of the commercial power. When the mains supply is powered off, the second resistance-capacitance voltage reduction circuit loses power, the second relay 640 returns to the initial state, that is, the moving end of the second relay 640 is connected with the normally closed end thereof, and because the normally closed end of the second relay 640 is connected with the N-phase output end of the DC-AC module 500, the N-phase input end 420 of the television 400 is connected with the N-phase output end of the DC-AC module 500, so that the electric energy of the storage battery 300 is timely supplied to the television 400, and the television 400 can still be used under the condition that the mains supply is powered off.
The first resistor R1 and the second resistor R2 are used as discharge resistors, and the first resistor R1 can provide a discharge loop for the first capacitor C1 after power failure, so that the residual voltage on the first capacitor C1 and the grid voltage are prevented from being superimposed to form high-voltage impact on subsequent devices. Similarly, the second resistor R2 can provide a discharge loop for the third capacitor C3 after power failure, so as to prevent the residual voltage on the third capacitor C3 and the grid voltage from overlapping to form high voltage impact on subsequent devices.
Preferably, an anti-reverse diode (not shown) is connected in series between the L-phase output terminal of the DC-AC module 500 and the normally-closed terminal of the first relay 630. An anti-reverse diode (not shown) is connected in series between the N-phase output terminal of the DC-AC module 500 and the normally-closed terminal of the second relay 640. The current can flow backwards to impact the DC-AC module 500 by providing an anti-reverse diode.
preferably, the battery 300 is a lithium battery. The lithium battery used as the storage battery 300 has the characteristics of high electric energy density, small volume and the like, and the overall volume of the storage battery 300 can be reduced.
Preferably, the solar cell panel 100 is a flexible solar cell panel. The flexible solar cell panel is flexible and can conveniently deal with different installation environments.
Preferably, a current limiting resistor (not shown) is connected in series with the upper end of the coil of the first relay 630. The upper end of the coil of the second relay 640 is connected in series with a current limiting resistor (not shown). The first relay 630 and the second relay 640 are protected by a current limiting resistor. The first relay 630 and the second relay 640 are prevented from being burned out.
Preferably, a voltage dependent resistor (not shown) is connected between the live wire end 710 and the neutral wire end of the commercial power. The model of the piezoresistor is 10D 471K. The voltage dependent resistor is arranged to absorb the high voltage surge of the mains supply, so that the system is prevented from being impacted by the high voltage surge of the mains supply.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and changes without departing from the spirit of the invention.

Claims (10)

1. A television power-continuing system based on solar energy is characterized by comprising: the solar energy television comprises a solar cell panel, a DC-DC module, a storage battery, a DC-AC module and a switching module, wherein the output end of the solar cell panel is connected with the storage battery through the DC-DC module, and the switching module is respectively connected with a commercial power, the output end of the DC-AC module and the power end of the television;
the DC-DC module is used for converting direct current generated by the solar panel into direct current for charging the storage battery; the DC-AC module is used for converting direct current discharged by the storage battery into 220V alternating current to be output, and the switching module is used for connecting the output end of the DC-AC module with the power supply end of the television when the mains supply is powered off;
The switching module includes: the live wire switching circuit and the zero line switching circuit;
The live wire switching circuit includes: a first capacitor, a first filter capacitor, a first bridge rectifier, a first voltage stabilizing diode and a first relay, the left end of the first capacitor is connected with the live wire end of the commercial power, the right end of the first capacitor is connected with the positive input end of the first bridge rectifier, the negative pole input end of the first bridge rectifier is connected with the zero line end of the commercial power, the positive pole output end of the first bridge rectifier is respectively connected with the negative pole of the first voltage stabilizing diode, the positive pole of the first filter capacitor and the upper end of the coil of the first relay, the lower end of the coil of the first relay is respectively connected with the cathode of the first filter capacitor, the anode of the first voltage stabilizing diode and the cathode output end of the first bridge rectifier, the normally open end of the first relay is connected with a live wire end of a mains supply, the normally closed end of the first relay is connected with the L-phase output end of the DC-AC module, and the movable end of the first relay is connected with the L-phase input end of the television;
Zero line switching circuit includes: a third capacitor, a second filter capacitor, a second bridge rectifier, a second voltage stabilizing diode and a second relay, the left end of the third capacitor is connected with the live wire end of the commercial power, the right end of the third capacitor is connected with the anode input end of the second bridge rectifier, the negative pole input end of the second bridge rectifier is connected with the zero line end of the commercial power, the positive pole output end of the second bridge rectifier is respectively connected with the negative pole of the second voltage stabilizing diode, the positive pole of the second filter capacitor and the upper end of the coil of the second relay, the lower end of the coil of the second relay is respectively connected with the cathode of the second filter capacitor, the anode of the second voltage stabilizing diode and the cathode output end of the second bridge rectifier, the normally open end of the second relay is connected with the zero line end of the commercial power, the normally closed end of the second relay is connected with the N-phase output end of the DC-AC module, and the moving end of the second relay is connected with the N-phase input end of the television.
2. The solar-based television power supplying system of claim 1, wherein the live line switching circuit further comprises a first resistor connected in parallel with a first capacitor, and the neutral line switching circuit further comprises a second resistor connected in parallel with a third capacitor.
3. The solar-based television power supplying system of claim 1, wherein an anti-reverse diode is connected in series between the L-phase output end of the DC-AC module and the normally closed end of the first relay.
4. The solar-based television power supplying system of claim 3, wherein an anti-reverse diode is connected in series between the N-phase output end of the DC-AC module and the normally closed end of the second relay.
5. The solar-based television set recharging system of claim 1, wherein the battery is a lithium battery.
6. the solar-based television power system of claim 1, wherein the solar panel is a flexible solar panel.
7. The solar-based television power supplying system of claim 1, wherein a current-limiting resistor is connected in series with the upper end of the coil of the first relay.
8. The solar-based television power supplying system of claim 7, wherein a current-limiting resistor is connected in series with the upper end of the coil of the second relay.
9. The solar-based television set power system according to claim 1, wherein a voltage dependent resistor is connected between the live line end and the neutral line end of the mains supply.
10. The solar-based television set power supplying system of claim 9, wherein the type of the piezoresistor is 10D 471K.
CN201920573874.4U 2019-04-24 2019-04-24 Solar-based television power supply system Expired - Fee Related CN209767224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920573874.4U CN209767224U (en) 2019-04-24 2019-04-24 Solar-based television power supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920573874.4U CN209767224U (en) 2019-04-24 2019-04-24 Solar-based television power supply system

Publications (1)

Publication Number Publication Date
CN209767224U true CN209767224U (en) 2019-12-10

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ID=68760511

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920573874.4U Expired - Fee Related CN209767224U (en) 2019-04-24 2019-04-24 Solar-based television power supply system

Country Status (1)

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CN (1) CN209767224U (en)

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Granted publication date: 20191210

Termination date: 20200424