CN204031562U - Twin-stage exchange type power conversion circuit - Google Patents
Twin-stage exchange type power conversion circuit Download PDFInfo
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- CN204031562U CN204031562U CN201420491964.6U CN201420491964U CN204031562U CN 204031562 U CN204031562 U CN 204031562U CN 201420491964 U CN201420491964 U CN 201420491964U CN 204031562 U CN204031562 U CN 204031562U
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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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a kind of twin-stage exchange type power conversion circuit, include first order power circuit, second level power circuit, output detection circuit, power control unit and power bus, power control unit includes first order control circuit and second level control circuit, and first and second level power supply circuit includes respectively first and second switching circuit.The utility model circuit structure rationally, reliably, can change input voltage greatly by receiver voltage, the magnitude of voltage of output voltage can not change along with the magnitude of voltage of bus voltage, input voltage is converted to suitable voltage to be used to each electronic component in intelligent control system, thereby it is little to have solved conventional power source circuit reception input voltage range, and output voltage is subject to the technical barriers such as input voltage interference.
Description
Technical field
The utility model relates to photovoltaic generation LED illuminator technical field, specifically a kind of twin-stage exchange type power conversion circuit.
Background technology
The energy is the material base of human survival and social development, Devoting Major Efforts To Developing and utilize the energy to have great strategic importance to the development of national economy and human society.In several centuries in the past, people make full use of the fossil energies such as coal, oil, natural gas, greatly promoted the development of human society, yet along with social progress, people are increasing to the demand of the energy, but fossil energy is limited, according to the analysis of world energy sources authoritative institution, according to fossil energy reserves and the exploitation rate verified at present, calculate, Global Oil residue can be adopted the time limit only 41 years, and domestic residue can be exploited and year is limited to 15 years; Natural gas residue can be adopted the time limit 61.9, and domestic residue can be exploited the time limit 30 years; Coal residue can be adopted the time limit 230 years, and domestic residue can be exploited the time limit 81 years; Uranium residue can be adopted the time limit 71 years, and domestic residue can be exploited and year is limited to 50 years.In the face of huge energy crisis, countries in the world all start to greatly develop the regenerative resources such as solar energy, and are provided with various rules and the powerful research that promotes regenerative resource of policy.
Solar energy, as clean energy resource inexhaustible in numerous regenerative resources, becomes the alternative energy source that 21 century gets most of the attention already.Main two kinds of the application of current solar energy: the one, luminous energy-thermal power transfer, as solar water heater; The 2nd, the conversion of luminous energy-electric energy, utilizes solar cell that solar energy is converted to electric energy.Application of Solar Energy technology has obtained compared with quantum jump, is applied to maturely build corridor lighting, urban environment brightening is thrown light on, the systems such as solar energy hot water supply and heating.Especially the development of solar-photovoltaic technology, makes the application of solar energy in illuminator more wide.
At lighting field, LED is also more and more subject to people's attention as a kind of novel green light source product, it be called as the 4th generation lighting source, have energy-conservation, life-span length, environmental protection, luminous efficiency high, react the advantage such as fast, be widely used in every field except being widely used in the demonstration of electronic equipment, display screen etc., in the application of lighting field, best embody its energy-saving just illumination at present and consume and account for 20% of whole power consumption, significantly reducing electric consumption on lighting is the important channel of energy savings.Therefore photovoltaic power generation technology and the perfect combination of LED lighting technology, will make major contribution for the mankind's sustainable development.
Regardless of different kinds of solar LED illuminating system, a well behaved control circuit is absolutely necessary.Storage battery is the deciding factor that affects the solar illuminating system life-span, and in order to extend the useful life of storage battery, selection that must be to storage battery, discharges and recharges and carry out strict control.Solar LED illuminating system is an automatic control system, it can be according to the variation of external environment condition, automatically adjust operating state, therefore need controller to realize good management, if miscarriage meeting causes the huge waste of resource, under such historical background, the utilization of novel energy and novel illumination technology are combined, develop a set of independent photovoltaic generating LED illumination intelligence control system and have important meaning.
In prior art, intelligent control system is comprised of various electronic devices and components, and the required supply voltage of each electronic component is not quite similar.But it is little that traditional power circuit ubiquity receives input voltage range, output voltage is subject to the technical barriers such as input voltage interference.
Utility model content
The purpose of this utility model is to provide a kind of twin-stage exchange type power conversion circuit, input voltage is converted to suitable voltage to be used to each electronic component in intelligent control system, solve conventional power source circuit reception input voltage range little, output voltage is subject to the technical barriers such as input voltage interference.
The technical solution of the utility model is as follows:
A kind of twin-stage exchange type power conversion circuit, include first order power circuit, second level power circuit, output detection circuit, power control unit and power bus, it is characterized in that: described power control unit includes first order control circuit and second level control circuit, described first order power circuit includes the first switching circuit, and first order power circuit is connected between described power bus and first order control circuit; Described second level power circuit includes second switch circuit, and second level power circuit is connected between power bus and second level control circuit; Described output detection circuit is connected between the power output end and second level control circuit of the power output end of described second level power circuit and first order control circuit and described second level power circuit; Described first order control circuit is connected between the control end of the first switching circuit and the output of output detection circuit in described first order power circuit, and described second level control circuit is connected between the control end of second switch circuit and the output of output detection circuit in the power circuit of the described second level.
Described twin-stage exchange type power conversion circuit, is characterized in that: between described first order power circuit and second level power circuit, be parallel with electric capacity.
The beneficial effects of the utility model:
The utility model circuit structure rationally, reliably, can change input voltage greatly by receiver voltage, the magnitude of voltage of output voltage can not change along with the magnitude of voltage of bus voltage, input voltage is converted to suitable voltage to be used to each electronic component in intelligent control system, thereby it is little to have solved conventional power source circuit reception input voltage range, and output voltage is subject to the technical barriers such as input voltage interference.
Accompanying drawing explanation
Fig. 1 is the utility model circuit structure schematic diagram.
Embodiment
Referring to Fig. 1, a kind of twin-stage exchange type power conversion circuit, include first order power circuit 1, second level power circuit 2, output detection circuit 3, power control unit 4 and power bus B1, power control unit 4 includes first order control circuit 5 and second level control circuit 6, first order power circuit 1 includes the first switching circuit 7, first order power circuit 1 is connected between power bus B1 and first order control circuit 5, in order to receive input voltage vin, and produce bus voltage Vbus by conducting or the cut-off of the first switching circuit 7;
Second level power circuit 2 includes second switch circuit 8, second level power circuit 2 is connected between power bus B1 and second level control circuit 6, in order to receive bus voltage Vbus and to pass through the conducting of second switch circuit 8 or end, produce specified output voltage V, or output current I; Output detection circuit 3 is connected between the power output end of second level power circuit 1 and the power output end and second level control circuit 6 of first order control circuit 5 and second level power circuit 2, in order to according to output voltage V or output current I, produce corresponding output detection signal Vf;
First order control circuit 5 is connected between the control end of the first switching circuit 7 in first order power circuit 1 and the output of output detection circuit 3, second level control circuit 6 is connected between the control end of the second switch circuit 8 in second level power circuit 2 and the output of output detection circuit 3, in order to control respectively the operation of the first switching circuit 7 and second switch circuit 8 according to output detection signal Vf, and make respectively the first order voltage gain value G1 of first order power circuit 1 and the second level voltage gain value G2 of second level power circuit 2 change according to output detection signal Vf, and then the first order voltage gain value G1 of first order power circuit 1 and the second level voltage gain value G2 of second level power circuit 2 are changed according to output voltage V or output current I0.Wherein, first order voltage gain value G1 is the ratio of input voltage vin and bus voltage Vbus, and its relational expression is G1=Vbus/Vin, and second level voltage gain value G2 is bus voltage Vbus and output voltage V.Ratio, its relational expression is G2=Vo/ Vbus.
In the utility model, between first order power circuit 1 and second level power circuit 2, be parallel with capacitor C bus.
Below in conjunction with accompanying drawing, the utility model is further described:
First order control circuit 5 and the second level control circuit 6 of power control unit 4 is that foundation is along with output voltage V.Or the output detection signal Vf that changes of output current I0 and adjust respectively the operation of the first switching circuit 7 and second switch circuit 8, the first order voltage gain value G1 of first order power circuit 1 and the second level voltage gain value G2 of second level power circuit 2 are changed, and then make output voltage V.Or output current I0 maintains rated value.In other words, bus voltage Vbus can be along with output voltage V.Or output current I0 and changing, therefore, the utility model utilizes first order power circuit 1 to produce the bus voltage Vbus of on-fixed magnitude of voltage, realizes output voltage V.Or output current I., and maintain rated value.
First order power circuit 1 does not need to produce the bus voltage Vbus of fixed voltage value, but dynamically adjusts the first order voltage gain value G1 of first order power circuit 1 and the second level voltage gain value G2 of second level power circuit 2 makes output voltage V.Or output current I.Maintain rated value, and then make the first switching circuit 7 of first order power circuit 1 and second switch circuit 8 operations of second level power circuit 2 can have more elasticity, therefore, the two-stage switching power supply conversion circuit of this system can receive the input voltage vin of larger magnitude of voltage excursion.
Claims (2)
1. a twin-stage exchange type power conversion circuit, include first order power circuit, second level power circuit, output detection circuit, power control unit and power bus, it is characterized in that: described power control unit includes first order control circuit and second level control circuit, described first order power circuit includes the first switching circuit, and first order power circuit is connected between described power bus and first order control circuit; Described second level power circuit includes second switch circuit, and second level power circuit is connected between power bus and second level control circuit; Described output detection circuit is connected between the power output end and second level control circuit of the power output end of described second level power circuit and first order control circuit and described second level power circuit; Described first order control circuit is connected between the control end of the first switching circuit and the output of output detection circuit in described first order power circuit, and described second level control circuit is connected between the control end of second switch circuit and the output of output detection circuit in the power circuit of the described second level.
2. twin-stage exchange type power conversion circuit according to claim 1, is characterized in that: between described first order power circuit and second level power circuit, be parallel with electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491964.6U CN204031562U (en) | 2014-08-28 | 2014-08-28 | Twin-stage exchange type power conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491964.6U CN204031562U (en) | 2014-08-28 | 2014-08-28 | Twin-stage exchange type power conversion circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204031562U true CN204031562U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420491964.6U Expired - Fee Related CN204031562U (en) | 2014-08-28 | 2014-08-28 | Twin-stage exchange type power conversion circuit |
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| Country | Link |
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| CN (1) | CN204031562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242635A (en) * | 2014-10-11 | 2014-12-24 | 安徽朗越环境工程有限公司 | Two-stage switching type power conversion system for LED lamp control system |
-
2014
- 2014-08-28 CN CN201420491964.6U patent/CN204031562U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242635A (en) * | 2014-10-11 | 2014-12-24 | 安徽朗越环境工程有限公司 | Two-stage switching type power conversion system for LED lamp control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 239300, on the north side of Anhui city of Chuzhou province Tianchang eleven Road, East Road Patentee after: ANHUI LONGVOLT ENERGY Co.,Ltd. Address before: 239300, on the north side of Anhui city of Chuzhou province Tianchang eleven Road, East Road Patentee before: ANHUI LONG VOLT ENVIRONMENTAL ENGINEERING Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Two-stage exchange type power supply conversion circuit Effective date of registration: 20200703 Granted publication date: 20141217 Pledgee: Tianchang Science and Technology Financing Guarantee Co.,Ltd. Pledgor: ANHUI LONGVOLT ENERGY Co.,Ltd. Registration number: Y2020980003774 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210625 Granted publication date: 20141217 Pledgee: Tianchang Science and Technology Financing Guarantee Co.,Ltd. Pledgor: ANHUI LONGVOLT ENERGY Co.,Ltd. Registration number: Y2020980003774 |
|
| 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: 20141217 Termination date: 20210828 |