CN203537042U - Solar television - Google Patents
Solar television Download PDFInfo
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- CN203537042U CN203537042U CN201320688368.2U CN201320688368U CN203537042U CN 203537042 U CN203537042 U CN 203537042U CN 201320688368 U CN201320688368 U CN 201320688368U CN 203537042 U CN203537042 U CN 203537042U
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- batteries
- power
- power supply
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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
- 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
Abstract
The utility model discloses a solar television which comprises the components of: a solar cell panel, a storage battery set and a television body. The solar cell panel converts solar energy to electric energy and outputs the electric energy to the storage battery set, thereby charging and storing energy for the storage battery set. The DC power which is output from the storage battery set is transmitted to a power board in the television body, and the storage battery set is connected with a DC stabilized power input end of the power board. The power board is provided with a switching power circuit which is used for converting AC power to DC stabilized power, The switching power circuit is connected between the AC power input end of the television body and the DC stabilized power input end. The solar television provided by the utility model has advantages of simple circuit design and reduced television cost. The solar cell panel can be sufficiently utilized for generating power, and commercial power is not used basically, thereby remarkably saving electric power of the electric network.
Description
Technical field
The utility model belongs to TV receiving apparatus technical field, specifically, relates to a kind of solar powered technology that is used to television set that supply of electric power is provided.
Background technology
At present, the supply power mode of television set is divided into two kinds of concentration supply power and decentralized power-supplies, in concentration supply power mode, first convert 220V electric main to 24V D.C. regulated power supply, and then convert 24V D.C. regulated power supply to various low-voltages, for the different electronic devices in television set provide required separately operating voltage.Decentralized power-supply mode, is that 220V electric main is rectified into DC power supply, then by transformer, directly changes the low-voltage dc power supply that generates the different amplitudes in each road, is the different electricity consumption load supplyings in television set.Although this decentralized power-supply mode does not need DC power supply repeatedly to convert, can be related device power supply, shortcoming is that the volume of transformer is larger, and higher to the accuracy requirement of transformer, is difficult for realizing the accurate output of multiple power supplies.Therefore, current most television set adopts concentration supply power mode.
But, along with the continuous increase of global power consumption and the continuous exhaustion of earth non-renewable resources, how to utilize environmental protection generation of electricity by new energy to become an important research topic.
Solar energy is a kind of inexhaustible, nexhaustible environmental protection new forms of energy, and along with the fast development of solar energy generation technology, a lot of places have started to utilize solar panel generating, to supplement the supply of electric power of local electrical network.In adopting the technology of solar panel generating, first utilize solar panel to convert solar energy to unsettled DC power supply, export photovoltaic DC-to-AC converter to; Then, by photovoltaic DC-to-AC converter, unsettled DC power supply is reverse into stable 220V AC power, and by exchanging after switching device shifter and civil power switching, exports power consumption equipment to, for power consumption equipment provides Alternating Current Power Supply.This solar energy generation technology, complicated due to system, cost is high, is therefore not suitable for applying in the relatively fierce household appliances of price competition.
Summary of the invention
The purpose of this utility model is to provide a kind of solar powered television set that adopts, and when significantly saving grid power, has simplified circuit design, has reduced the complete machine cost of television set.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A solar energy TV machine, comprises solar panel, batteries and television set body; Described solar panel converts solar energy to electric energy and exports batteries to, is battery charging accumulation of energy; The transmitting DC of described batteries output, to the power panel in television set body, connects the D.C. regulated power supply input of power panel; On described power panel, be provided with for AC power being converted to the switching power circuit of D.C. regulated power supply, be connected between the ac power input end and described D.C. regulated power supply input of television set body.
Further, the electric energy of exporting by described solar panel transfers to batteries via the switch ways of a gate-controlled switch, the control end of described gate-controlled switch connects the output of a comparator, the input of described comparator connects respectively batteries and reference power source, and the voltage magnitude of described reference power source equals the voltage magnitude of the D.C. regulated power supply of described switching power circuit output.
Preferably, the in-phase input end of described comparator connects described reference power source by the first bleeder circuit, and inverting input connects described batteries by the second bleeder circuit.
Further, include two divider resistances in described the first bleeder circuit, the first divider resistance is connected between reference power source and the in-phase input end of comparator, and the second divider resistance is connected between the in-phase input end and ground of comparator; In described the second bleeder circuit, also include two divider resistances, wherein, the 3rd divider resistance is connected between batteries and the inverting input of comparator, and the 4th divider resistance is connected between the inverting input and ground of comparator; The resistance value ratio of described the first divider resistance and the second divider resistance equals the resistance value ratio of the 3rd divider resistance and the 4th divider resistance.
Further again, described gate-controlled switch is an electromagnetic switch, the armature contact of described electromagnetic switch is connected in the charging circuit of solar panel connection batteries, coil one end of electromagnetic switch connects the first DC power supply, the other end connects the collector electrode of a NPN type triode, the grounded emitter of described NPN type triode, base stage connects the output of described comparator.
Preferably, described the first DC power supply is described reference power source.
In order to prevent described batteries, solar panel is charged, in the charging circuit of described solar panel connection batteries, be also connected with the first diode, the positive pole of the anodic bonding solar panel of described the first diode, negative electrode connects the positive pole of batteries.
Preferably, in connecting the direct current supply line of described D.C. regulated power supply input, described batteries is also connected with the second diode, the positive pole of the anodic bonding batteries of described the second diode, and negative electrode connects the D.C. regulated power supply input of power panel.
Preferably, the D.C. regulated power supply of changing output by described switching power circuit is 24V DC power supply, and the voltage of exporting by described solar panel is not higher than 28V.
In order to detect the dump energy of batteries, in described television set body, be also provided with testing circuit, described testing circuit is when the dump energy that batteries detected arrives lower limit, output switch control signal is to the control end of another gate-controlled switch, and the switch ways of described another gate-controlled switch is connected in the direct current supply line of switching power circuit connection D.C. regulated power supply input.
Compared with prior art, advantage of the present utility model and good effect are: the dynamo-electric road of solar energy TV of the present utility model simplicity of design, reduced the cost of television set, and can make full use of solar panel generating, substantially do not need to adopt civil power, significantly saved grid power.
Read by reference to the accompanying drawings after the detailed description of the utility model execution mode, other feature of the present utility model and advantage will become clearer.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of a kind of embodiment of the solar energy TV machine that proposes of the utility model;
Fig. 2 is the partial circuit schematic diagram of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Embodiment mono-, the solar energy TV owner of the present embodiment will be comprised of solar panel, batteries and television set body, shown in Figure 1, described solar panel is converted to electric energy by solar energy, and export batteries BAT to, for batteries BAT charging accumulation of energy, when the output voltage BAT4 of batteries BAT meets after the supply power voltage that television set body requires, batteries BAT output DC power supply, to the power panel in television set body, connects the D.C. regulated power supply input of power panel.When batteries BAT cannot power to television set body, in order to guarantee this physical efficiency of television set, normally work, on described power panel, be provided with switching power circuit, described switching power circuit is connected between the ac power input end and described D.C. regulated power supply input of television set body, for converting AC power to D.C. regulated power supply, it is the power supply of television set body.
Described solar panel passes through the switch ways of a gate-controlled switch to batteries BAT transmission of electric energy, to prevent that batteries BAT from being overcharged by solar panel, in the present embodiment, select suitable solar panel, make the output voltage of solar panel not higher than 28V.The control end of described gate-controlled switch is connected on the output of a comparator, the input of described comparator connects respectively batteries BAT and reference power source, described comparator relatively transfers to the size of two voltages of input, generate control signal and output to the control end of described gate-controlled switch, control the break-make of the switch ways of gate-controlled switch.The voltage magnitude of described reference power source equals the voltage magnitude of the D.C. regulated power supply of described switching power circuit output, in the present embodiment, the D.C. regulated power supply of described switching power circuit conversion output is preferably 24V DC power supply, and therefore, the voltage magnitude of described reference power source is preferably 24V.
As a kind of preferred design of the present embodiment, the in-phase input end of described comparator connects described reference power source by the first bleeder circuit, and inverting input connects described batteries BAT by the second bleeder circuit, shown in Figure 2.
In described the first bleeder circuit, include two divider resistances, the first divider resistance R1 is connected between reference power source and the in-phase input end of comparator, and the second divider resistance R2 is connected between the in-phase input end and ground of comparator; In described the second bleeder circuit, also include two divider resistances, wherein, the 3rd divider resistance R3 is connected between batteries and the inverting input of comparator, and the 4th divider resistance R4 is connected between the inverting input and ground of comparator, shown in Figure 2.The resistance value ratio of described the first divider resistance R1 and the second divider resistance R2 equals the resistance value ratio of the 3rd divider resistance R3 and the 4th divider resistance R4, to guarantee that the Output rusults of described comparator can not be affected because of the dividing potential drop ratio of described the first bleeder circuit and the second bleeder circuit.
When the output voltage BAT4 of batteries BAT is greater than the output voltage of reference power source, the output output low level of described comparator, when the output voltage BAT4 of batteries BAT is less than the output voltage of reference power source, the output of described comparator output high level.The output of described comparator outputs control signals to the control end of described gate-controlled switch, controls the break-make of the switch ways of gate-controlled switch.
The electromagnetic switch K1 that described gate-controlled switch adopts, the armature contact of described electromagnetic switch K1 is connected in the charging circuit of solar panel connection batteries BAT, coil one end of electromagnetic switch K1 connects the first DC power supply V1, the other end connects the collector electrode of a NPN type triode Q1, the grounded emitter of described NPN type triode Q1, base stage connects the output of described comparator.Described the first DC power supply V1 is described reference power source, and the voltage magnitude of described the first DC power supply V1 is preferably 24V.
When the voltage of the in-phase input end input of comparator is greater than the voltage of inverting input input, that is to say when the output voltage of reference power source is greater than the output voltage BAT4 of batteries BAT, the output output high level of comparator, and control signal is transferred to the base stage of NPN type triode Q1, make NPN type triode Q1 saturation conduction, the first DC power supply V1 transfers to coil, coil electricity, armature contact is closed, make solar panel connect the charging circuit conducting of batteries BAT, thereby solar panel is batteries BAT, charge.
When the voltage of the in-phase input end input of comparator is less than the voltage of inverting input input, that is to say when the output voltage of reference power source is less than the output voltage BAT4 of batteries BAT, the output output low level of comparator, and control signal is transferred to the base stage of NPN type triode Q1, make NPN type triode Q1 enter cut-off state, the first DC power supply V1 cannot transfer to coil, coil blackout, armature contact disconnects, the charging circuit that makes solar panel connect batteries BAT is cut off, therefore solar panel can not be batteries BAT charging.
Certainly, described triode also can adopt the controllable switch element such as field effect transistor, controllable silicon to carry out the specific design of circuit system, and the present embodiment is not limited in above giving an example.
In order to prevent that batteries BAT charges to solar panel, in the charging circuit of described solar panel connection batteries BAT, be connected with the first diode D1, the positive pole of the anodic bonding solar panel of described the first diode D1, negative electrode connects the positive pole of batteries BAT.
A kind of preferred design as the present embodiment, in connecting the direct current supply line of described D.C. regulated power supply input, described batteries BAT is also connected with the second diode D2, the positive pole of the anodic bonding batteries BAT of described the second diode D2, negative electrode connects the D.C. regulated power supply input of power panel.
In the present embodiment, in described television set body, be also provided with testing circuit, described testing circuit is for detection of the dump energy of batteries BAT, and output switch control signal is to the control end of another gate-controlled switch K2, the switch ways of described another gate-controlled switch K2 is connected in the direct current supply line that switching power circuit connects D.C. regulated power supply input.When testing circuit detects the dump energy arrival lower limit of batteries BAT, output switch control signal is to the control end of another gate-controlled switch K2, control the switch ways conducting of another gate-controlled switch K2, thereby switching power circuit connects the direct current supply line conducting of D.C. regulated power supply input, it is the power supply of television set main body that the D.C. regulated power supply of switching power circuit output transfers to D.C. regulated power supply input.Described another gate-controlled switch K2 preferably adopts electromagnetic switch.
Certainly; the above is only a kind of preferred implementation of the present utility model, for those skilled in the art, is not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. a solar energy TV machine, is characterized in that: comprise solar panel, batteries and television set body; Described solar panel converts solar energy to electric energy and exports batteries to, is battery charging accumulation of energy; The transmitting DC of described batteries output, to the power panel in television set body, connects the D.C. regulated power supply input of power panel; On described power panel, be provided with for AC power being converted to the switching power circuit of D.C. regulated power supply, be connected between the ac power input end and described D.C. regulated power supply input of television set body.
2. solar energy TV machine according to claim 1, it is characterized in that: the electric energy of exporting by described solar panel transfers to batteries via the switch ways of a gate-controlled switch, the control end of described gate-controlled switch connects the output of a comparator, the input of described comparator connects respectively batteries and reference power source, and the voltage magnitude of described reference power source equals the voltage magnitude of the D.C. regulated power supply of described switching power circuit output.
3. solar energy TV machine according to claim 2, is characterized in that: the in-phase input end of described comparator connects described reference power source by the first bleeder circuit, and inverting input connects described batteries by the second bleeder circuit.
4. solar energy TV machine according to claim 3, it is characterized in that: in described the first bleeder circuit, include two divider resistances, the first divider resistance is connected between reference power source and the in-phase input end of comparator, and the second divider resistance is connected between the in-phase input end and ground of comparator; In described the second bleeder circuit, also include two divider resistances, wherein, the 3rd divider resistance is connected between batteries and the inverting input of comparator, and the 4th divider resistance is connected between the inverting input and ground of comparator; The resistance value ratio of described the first divider resistance and the second divider resistance equals the resistance value ratio of the 3rd divider resistance and the 4th divider resistance.
5. solar energy TV machine according to claim 2, it is characterized in that: described gate-controlled switch is an electromagnetic switch, the armature contact of described electromagnetic switch is connected in the charging circuit of solar panel connection batteries, coil one end of electromagnetic switch connects the first DC power supply, the other end connects the collector electrode of a NPN type triode, the grounded emitter of described NPN type triode, base stage connects the output of described comparator.
6. solar energy TV machine according to claim 5, is characterized in that: described the first DC power supply is described reference power source.
7. solar energy TV machine according to claim 1, it is characterized in that: in the charging circuit of described solar panel connection batteries, be also connected with the first diode, the positive pole of the anodic bonding solar panel of described the first diode, negative electrode connects the positive pole of batteries.
8. according to the solar energy TV machine described in any one in claim 1 to 7, it is characterized in that: in described batteries connects the direct current supply line of described D.C. regulated power supply input, be also connected with the second diode, the positive pole of the anodic bonding batteries of described the second diode, negative electrode connects the D.C. regulated power supply input of power panel.
9. according to the solar energy TV machine described in any one in claim 1 to 7, it is characterized in that: the D.C. regulated power supply of changing output by described switching power circuit is 24V DC power supply, and the voltage of exporting by described solar panel is not higher than 28V.
10. according to the solar energy TV machine described in any one in claim 1 to 7, it is characterized in that: in described television set body, be also provided with the testing circuit for detection of batteries dump energy, described testing circuit is when the dump energy that batteries detected arrives lower limit, output switch control signal is to the control end of another gate-controlled switch, and the switch ways of described another gate-controlled switch is connected in the direct current supply line of switching power circuit connection D.C. regulated power supply input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688368.2U CN203537042U (en) | 2013-11-04 | 2013-11-04 | Solar television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688368.2U CN203537042U (en) | 2013-11-04 | 2013-11-04 | Solar television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203537042U true CN203537042U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320688368.2U Expired - Fee Related CN203537042U (en) | 2013-11-04 | 2013-11-04 | Solar television |
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| CN (1) | CN203537042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112866599A (en) * | 2021-01-04 | 2021-05-28 | 深圳铭薪曙能科技有限公司 | Television set with both AC and DC power supply |
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2013
- 2013-11-04 CN CN201320688368.2U patent/CN203537042U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112866599A (en) * | 2021-01-04 | 2021-05-28 | 深圳铭薪曙能科技有限公司 | Television set with both AC and DC power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20161104 |