CN204498045U - Phototube Coupling power supply - Google Patents
Phototube Coupling power supply Download PDFInfo
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- CN204498045U CN204498045U CN201520196694.0U CN201520196694U CN204498045U CN 204498045 U CN204498045 U CN 204498045U CN 201520196694 U CN201520196694 U CN 201520196694U CN 204498045 U CN204498045 U CN 204498045U
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- light
- power supply
- phototube coupling
- emitting device
- photovoltaic devices
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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
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Abstract
The utility model discloses a kind of Phototube Coupling power supply, comprising: input power, light-emitting device, photovoltaic devices and out-put supply.Input power is external power supply.Light-emitting device is powered by input power, and light-emitting device obtains electroluminescence.Photovoltaic devices receives the light that light-emitting device sends, and is converted to electric energy.Out-put supply is connected with photovoltaic devices, exports the electric energy that photovoltaic devices produces.Phototube Coupling power acquisition photovoltaic principals of the present utility model, no longer adopts electromagnetic principle, thus can avoid the electromagnetic pollution caused power supply and monitoring device.
Description
Technical field
The utility model relates to power supply technique field, more particularly, relates to a kind of Switching Power Supply.
Background technology
In alternating electromotive force field, can electromagnetic induction principle be utilized, obtain power supply energy by appendiron core transformer or instrument transformer from AC and realize isolation.
In direct current power field, such as in direct current power monitoring device, usually use direct-current switch power supply to realize DC-isolation step-down and power.Direct-current switch power supply is energized to the primary winding of high frequency transformer by primary side DC power supply, by the primary winding of circuit controling switch pipe turn-on and turn-off high frequency transformer at a high speed, thus the magnetic field that changes in the magnetic circuit of transformer, recycling electromagnetic induction principle obtains electric energy from coil, realizes obtaining for electric flux from primary side DC power supply.
Because direct-current switch power supply is based on electromagnetic induction principle, therefore direct-current switch power supply easily produces electromagnetic pollution to primary side DC power supply and monitoring device, and meanwhile, the voltage of primary side DC power supply is higher, the design difficulty of direct-current switch power supply is larger, and reliability is also lower.
Similar, due to adopt equally electromagnetic induction away from, the appendiron core transformer adopted in alternating electromotive force field or instrument transformer equally easily produce the problem of electromagnetic pollution.
Utility model content
The utility model is intended to propose a kind of Switching Power Supply adopting photovoltaic principals, to avoid the problem of electromagnetic pollution.
According to an embodiment of the present utility model, propose a kind of Phototube Coupling power supply, comprising: input power, light-emitting device, photovoltaic devices and out-put supply.Input power is external power supply.Light-emitting device is powered by input power, and light-emitting device obtains electroluminescence.Photovoltaic devices receives the light that light-emitting device sends, and is converted to electric energy.Out-put supply is connected with photovoltaic devices, exports the electric energy that photovoltaic devices produces.
In one embodiment, the luminous frequency spectrum of light-emitting device and the received spectrum of photovoltaic devices match.
In one embodiment, light-emitting device is light emitting diode matrix.
In one embodiment, light emitting diode matrix comprises several light-emitting diodes of series connection.
In one embodiment, light emitting diode matrix comprises two branch roads in parallel, and each branch road comprises several light-emitting diode separately, and the conducting direction of the light-emitting diode in two branch roads is contrary.
In one embodiment, photovoltaic devices is the photovoltaic cell arrays with photovoltaic effect.
In one embodiment, input power is direct current or AC power.
In one embodiment, out-put supply exports direct current.
In one embodiment, also current limiting element is serially connected with between input power and light-emitting device.
Phototube Coupling power acquisition photovoltaic principals of the present utility model, no longer adopts electromagnetic principle, thus can avoid the electromagnetic pollution caused power supply and monitoring device.
Accompanying drawing explanation
The above and other feature of the utility model, character and advantage are by more obvious by what become below in conjunction with the description of drawings and Examples, and Reference numeral identical in the accompanying drawings represents identical feature all the time, wherein:
Fig. 1 discloses the structural representation of the Phototube Coupling power supply according to an embodiment of the present utility model.
Fig. 2 discloses the operation principle of photoelectrical coupler.
Embodiment
In Electronic Design, often can use photoelectrical coupler, Fig. 2 discloses the operation principle of photoelectrical coupler.As shown in Figure 2, photoelectrical coupler 200 comprises light emitting source 202 and light-receiving device 204 two parts.Light emitting source 202 and light-receiving device 204 are assembled in same airtight housing by photoelectrical coupler 200, to each other with transparent insulator isolation, have good electrical isolation capabilities and antijamming capability.In the prior art, photoelectrical coupler 200 is mainly used to the isolated controlling realizing signal.The operation principle of photoelectrical coupler 200 is as follows: when the signal of telecommunication sends into the input of photoelectrical coupler, and light emitting source 202 is generally light-emitting diode luminous by electric current.Light-receiving device 204, is generally phototriode element and is subject to generation current after illumination, phototriode conducting.When inputing to the input of photoelectrical coupler without the signal of telecommunication, light-emitting diode is not luminous.Phototriode ends.If adopt digital circuit to control, then can be expressed as follows: when being input as low level " 0 ", phototriode ends, and exports as high level " 1 "; When being input as high level " 1 ", phototriode saturation conduction, exports as low level " 0 ".
Above-mentioned photoelectric coupling principle is applied in Switching Power Supply by the utility model.According to an embodiment of the present utility model, propose a kind of Phototube Coupling power supply, shown in figure 1, disclose the structural representation of Phototube Coupling power supply.This Phototube Coupling power supply comprises: input power 101, light-emitting device 103, photovoltaic devices 104 and out-put supply 105.Input power 101 is external power supply, and this external power supply can be direct current or AC power, and input power 101 is primary side power supplys.Light-emitting device 103 is powered by input power 101, and light-emitting device 103 obtains electroluminescence.In one embodiment, light-emitting device 103 is light emitting diode matrixs.This light emitting diode matrix is by several light-emitting diode by connecting and/or composing in parallel, and the light emitting diode matrix formed can tolerate certain voltage, and has certain luminous power.In the illustrated embodiment in which, between input power 101 and light-emitting device 103, be also serially connected with current limiting element 102, current limiting element 102 is a resistance.The effect of current limiting element 102 is the power by regulating electric current to regulate light-emitting device 103.In the illustrated embodiment in which, light emitting diode matrix comprises two branch roads in parallel, and each branch road comprises several light-emitting diode separately, and the conducting direction of the light-emitting diode in two branch roads is contrary.For each branch road, several light-emitting diodes of series connection can form certain conducting voltage, and several light-emitting diode can produce the luminous energy of enough power after being turned.The branch circuit parallel connection adopting two conducting directions contrary is in order to following object: if input power 101 is AC power, and the branch road that so two conducting directions are contrary makes light-emitting device 103 can both normally work in positive this week of AC power and negative half period.If input power 101 is DC power supply, the branch road that so two conducting directions are contrary makes DC power supply also can normally work when both positive and negative polarity connects anti-.In other examples, also can use the light-emitting device only comprising single branch road, this light emitting diode matrix comprises can several light-emitting diodes of series connection of one-way conduction.Photovoltaic devices 104 receives the light that light-emitting device 103 sends, and is converted to electric energy.In one embodiment, photovoltaic devices 104 is the photovoltaic cell arrays with photovoltaic effect.Herein, photovoltaic cell arrays does not limit photronic quantity wherein, if only there is a photocell to be feasible yet.In order to obtain good photoelectricity transmission efficiency, the luminous frequency spectrum of light-emitting device 103 and the received spectrum of photovoltaic devices 104 match.Out-put supply 105 is connected with photovoltaic devices 104, and out-put supply 105 exports the electric energy that photovoltaic devices produces.In one embodiment, out-put supply 105 exports direct current.In one embodiment, for ensureing good electrical isolation capabilities and antijamming capability and realizing preferably photoelectricity transmission efficiency, light-emitting device 103 and photovoltaic devices 104 carry out design encapsulation by power integrated circuit technique.
Phototube Coupling power acquisition photovoltaic principals of the present utility model, no longer adopts electromagnetic principle, thus can avoid the electromagnetic pollution caused power supply and monitoring device.
Above-described embodiment is available to be familiar with person in the art to realize or to use of the present utility model; those skilled in the art can when not departing from utility model thought of the present utility model; various modifications or change are made to above-described embodiment; thus protection range of the present utility model not limit by above-described embodiment, and should be the maximum magnitude meeting the inventive features that claims are mentioned.
Claims (9)
1. a Phototube Coupling power supply, is characterized in that, comprising:
Input power, input power is external power supply;
Light-emitting device, is powered by input power, and light-emitting device obtains electroluminescence;
Photovoltaic devices, receives the light that light-emitting device sends, is converted to electric energy;
Out-put supply, is connected with photovoltaic devices, exports the electric energy that photovoltaic devices produces.
2. Phototube Coupling power supply as claimed in claim 1, it is characterized in that, the luminous frequency spectrum of described light-emitting device and the received spectrum of photovoltaic devices match.
3. Phototube Coupling power supply as claimed in claim 2, it is characterized in that, described light-emitting device is light emitting diode matrix.
4. Phototube Coupling power supply as claimed in claim 3, it is characterized in that, described light emitting diode matrix comprises several light-emitting diodes of series connection.
5. Phototube Coupling power supply as claimed in claim 3, it is characterized in that, described light emitting diode matrix comprises two branch roads in parallel, and each branch road comprises several light-emitting diode separately, and the conducting direction of the light-emitting diode in two branch roads is contrary.
6. Phototube Coupling power supply as claimed in claim 1, it is characterized in that, described photovoltaic devices is the photovoltaic cell arrays with photovoltaic effect.
7. Phototube Coupling power supply as claimed in claim 1, it is characterized in that, described input power is direct current or AC power.
8. Phototube Coupling power supply as claimed in claim 1, is characterized in that, described out-put supply exports direct current.
9. Phototube Coupling power supply as claimed in claim 1, is characterized in that, be also serially connected with current limiting element between described input power and light-emitting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520196694.0U CN204498045U (en) | 2015-04-02 | 2015-04-02 | Phototube Coupling power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520196694.0U CN204498045U (en) | 2015-04-02 | 2015-04-02 | Phototube Coupling power supply |
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| Publication Number | Publication Date |
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| CN204498045U true CN204498045U (en) | 2015-07-22 |
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| CN201520196694.0U Active CN204498045U (en) | 2015-04-02 | 2015-04-02 | Phototube Coupling power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612461A (en) * | 2017-09-27 | 2018-01-19 | 上海剑桥科技股份有限公司 | Full isolation electric supply conversion equipment |
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2015
- 2015-04-02 CN CN201520196694.0U patent/CN204498045U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612461A (en) * | 2017-09-27 | 2018-01-19 | 上海剑桥科技股份有限公司 | Full isolation electric supply conversion equipment |
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