CN104410269A - Direct-current power supply converting circuit and device - Google Patents
Direct-current power supply converting circuit and device Download PDFInfo
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- CN104410269A CN104410269A CN201410811830.2A CN201410811830A CN104410269A CN 104410269 A CN104410269 A CN 104410269A CN 201410811830 A CN201410811830 A CN 201410811830A CN 104410269 A CN104410269 A CN 104410269A
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- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The invention belongs to the field of circuit control and provides a direct-current power supply converting circuit and device. The direct-current power supply converting circuit comprises a first voltage boosting module, a second voltage boosting module, a first diode and a voltage detecting module, wherein the input end of the first voltage boosting module and the input end of the second voltage boosting module are co-connected to the output end of a direct-current power supply; the output end of the first voltage boosting module and the output end of the second voltage boosting module are respectively connected to the anode of the first diode; the input end of the voltage detecting module is connected with the cathode of the first diode; a ground terminal of the first voltage boosting module and the ground terminal of the second voltage boosting module are co-connected to the ground; the cathode of the first diode is used for outputting direct current to a load. The direct-current power supply converting circuit provided by the embodiment of the invention solves the problem that an existing direct-current power supply converting circuit cannot realize the large-voltage output to satisfy power supply or charge requirements of a large-voltage load.
Description
Technical field
The invention belongs to field of circuit control, particularly relate to a kind of direct-current power supply converting circuit and device.
Background technology
At present, along with the fast development of power technology, the DC power supply such as portable power source more and more appear in the life of people, for the living and studying of people offers convenience.
But, the output voltage of some DC power supply is less, power supply or the charge requirement of load can not be met, but there is no again a kind of simple circuit or device effectively improving the output voltage of the DC power supply of existing low-voltage output at present, be difficult to the power supply and the charge requirement that meet high power load.
Summary of the invention
The object of the present invention is to provide a kind of direct-current power supply converting circuit, be intended to the large voltage that cannot realize solved existing for existing electric supply installation and export with the problem of the power supply and charge requirement that meet high power load.
The present invention is achieved in that a kind of direct-current power supply converting circuit, and described direct-current power supply converting circuit is connected with DC power supply, comprises the first boost module, the second boost module, the first diode and voltage detection module;
The input of described first boost module and the input of described second boost module are connected to the output of described DC power supply altogether, output and the output of described second boost module of described first boost module are connected the anode of described first diode respectively, the input of described voltage detection module is connected with the negative electrode of described first diode, the earth terminal of described first boost module and the earth terminal of described second boost module are connected to ground altogether, and the negative electrode of described first diode exports direct current to load.
Further, described direct-current power supply converting circuit also comprises feedback control module;
The input of described feedback control module is connected with the output of voltage detection module, control end is connected with the control end of described first boost module and the control end of described second boost module respectively, regulates the direct voltage exported for the first boost module described in the voltage driven that detects according to described voltage detection module and described second boost module.
Further, described first boost module is identical with output voltage with the boost power of described second boost module.
Further, described first diode is light-emitting diode.
Further, described direct-current power supply converting circuit also comprises the second diode, and the anode of described second diode is connected with the earth terminal of described first boost module and the earth terminal of described second boost module simultaneously, the minus earth of described second diode.
The present invention also aims to provide a kind of apparatus for converting DC power, described apparatus for converting DC power comprises direct-current power supply converting circuit, described direct-current power supply converting circuit is connected with DC power supply, and described direct-current power supply converting circuit comprises: the first boost module, the second boost module, the first diode and voltage detection module;
The input of described first boost module and the input of described second boost module are connected to the output of described DC power supply altogether, output and the output of described second boost module of described first boost module are connected the anode of described first diode respectively, the input of described voltage detection module is connected with the negative electrode of described first diode, the earth terminal of described first boost module and the earth terminal of described second boost module are connected to ground altogether, and the negative electrode of described first diode exports direct current to load.
Further, described direct-current power supply converting circuit also comprises feedback control module;
The input of described feedback control module is connected with the output of voltage detection module, control end is connected with the control end of described first boost module and the control end of described second boost module respectively, regulates the direct voltage exported for the first boost module described in the voltage driven that detects according to described voltage detection module and described second boost module.
Further, described first boost module is identical with output voltage with the boost power of described second boost module.
Further, described first diode is light-emitting diode.
Further, described direct-current power supply converting circuit also comprises the second diode, and the anode of described second diode is connected with the earth terminal of described first boost module and the earth terminal of described second boost module simultaneously, the minus earth of described second diode.
The present invention comprises the direct-current power supply converting circuit of the first boost module, the second boost module, the first diode and voltage detection module by adopting, it is undertaken after boosting processes by the direct current that the first boost module and the second boost module export DC power supply respectively, large voltage is exported to load again respectively through the first diode, and then carry out powering or charging for load, the large voltage that cannot realize solved existing for existing direct-current power supply converting circuit exports with the problem of the power supply or charge requirement that meet high power load.
Accompanying drawing explanation
Fig. 1 is the circuit structure exemplary plot of the direct-current power supply converting circuit that the embodiment of the present invention provides;
Fig. 2 is the circuit structure exemplary plot of the direct-current power supply converting circuit that first embodiment of the invention provides;
Fig. 3 is the circuit structure exemplary plot of the direct-current power supply converting circuit that second embodiment of the invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention comprises the direct-current power supply converting circuit of the first boost module, the second boost module, the first diode and voltage detection module by adopting, it is undertaken after boosting processes by the direct current that the first boost module and the second boost module export DC power supply respectively, realize large voltage through the first diode again to export, be reached for the object that high power load is powered or charged.
As shown in Figure 1, the direct-current power supply converting circuit 100 that one embodiment of the invention provides is connected with DC power supply 200, and direct-current power supply converting circuit 100 comprises the first boost module 101, second boost module 102, first diode D1 and voltage detection module 103.
The input of the first boost module 101 and the input of the second boost module 102 are connected to the output of DC power supply 200 altogether, output and the output of the second boost module 102 of the first boost module 101 are connected the anode of the first diode D1 respectively, the input of voltage detection module 103 is connected with the negative electrode of the first diode D1, for the output voltage of Real-Time Monitoring direct-current power supply converting circuit, the earth terminal of the first boost module 101 and the earth terminal of the second boost module 102 are connected to ground altogether, and the negative electrode of the first diode D1 exports direct current to load 300.
Wherein, voltage detection module 103 comprises alarm unit, and carry out warning instruction when the output voltage of direct-current power supply converting circuit is greater than predetermined voltage threshold, the first diode D1 is light-emitting diode.
As shown in Figure 2, the direct-current power supply converting circuit 100 that one embodiment of the invention provides also comprises feedback control module 104;
The input of feedback control module 104 is connected with the output of voltage detection module 103, control end is connected with the control end of the first boost module 101 and the control end of the second boost module 102 respectively, for voltage driven first boost module 101 that detects according to voltage detection module 103 and the second boost module 102, the direct voltage exported is regulated, it should be noted that, first boost module 101 is identical with output voltage with the boost power of the second boost module 102, in order to ensure high boosting efficiency, when the output voltage of direct-current power supply converting circuit 100 is less than preset value, control the first boost module 101 and the second boost module 102 respectively jointly to boost to the voltage exported, first boost module 101 is identical with the boosting amplitude of the second boost module 102.
As shown in Figure 3, as one embodiment of the invention, direct-current power supply converting circuit 100 also comprises the second diode D2, and the anode of the second diode D2 is connected with the earth terminal of the first boost module 101 and the earth terminal of the second boost module 102 simultaneously, the minus earth of the second diode D2.
Below the operation principle of the embodiment of the present invention is described: in embodiments of the present invention, first diode D1 is light-emitting diode, work instruction is carried out when direct-current power supply converting circuit 100 works, avoid the electric current adverse current of load 300 to DC power supply 100 simultaneously, because the first diode exists conduction voltage drop, so the galvanic voltage that the first boost module 101 and the second boost module 102 can be made to export exports load to after being weakened again, and then cause the output voltage of load lower than rated output voltage, so detected the output voltage of the negative electrode of the first diode by voltage detection module 103, namely the actual output direct current of direct-current power supply converting circuit is monitored, then the output voltage of the first boost module 101 and the second boost module 102 is regulated in real time by feedback control module 104, ensure that the direct voltage exporting to load is stable.
The embodiment of the present invention additionally provides a kind of device comprising above-mentioned direct-current power supply converting circuit 100.
The embodiment of the present invention comprises the direct-current power supply converting circuit of the first boost module, the second boost module, the first diode and voltage detection module by adopting, it is undertaken after boosting processes by the direct current that the first boost module and the second boost module export DC power supply respectively, large voltage is exported to load again respectively through the first diode, and then carry out powering or charging for load, the large voltage that cannot realize solved existing for existing direct-current power supply converting circuit exports with the problem of the power supply or charge requirement that meet high power load.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a direct-current power supply converting circuit, is characterized in that, described direct-current power supply converting circuit is connected with DC power supply, comprises the first boost module, the second boost module, the first diode and voltage detection module;
The input of described first boost module and the input of described second boost module are connected to the output of described DC power supply altogether, output and the output of described second boost module of described first boost module are connected the anode of described first diode respectively, the input of described voltage detection module is connected with the negative electrode of described first diode, the earth terminal of described first boost module and the earth terminal of described second boost module are connected to ground altogether, and the negative electrode of described first diode exports direct current to load.
2. direct-current power supply converting circuit according to claim 1, is characterized in that, described direct-current power supply converting circuit also comprises feedback control module;
The input of described feedback control module is connected with the output of voltage detection module, control end is connected with the control end of described first boost module and the control end of described second boost module respectively, regulates the direct voltage exported for the first boost module described in the voltage driven that detects according to described voltage detection module and described second boost module.
3. direct-current power supply converting circuit according to claim 2, is characterized in that, described first boost module is identical with output voltage with the boost power of described second boost module.
4. direct-current power supply converting circuit according to claim 3, is characterized in that, described first diode is light-emitting diode.
5. direct-current power supply converting circuit according to claim 4, it is characterized in that, described direct-current power supply converting circuit also comprises the second diode, the anode of described second diode is connected with the earth terminal of described first boost module and the earth terminal of described second boost module simultaneously, the minus earth of described second diode.
6. an apparatus for converting DC power, it is characterized in that, described apparatus for converting DC power comprises direct-current power supply converting circuit, described direct-current power supply converting circuit is connected with DC power supply, and described direct-current power supply converting circuit comprises: the first boost module, the second boost module, the first diode and voltage detection module;
The input of described first boost module and the input of described second boost module are connected to the output of described DC power supply altogether, output and the output of described second boost module of described first boost module are connected the anode of described first diode respectively, the input of described voltage detection module is connected with the negative electrode of described first diode, the earth terminal of described first boost module and the earth terminal of described second boost module are connected to ground altogether, and the negative electrode of described first diode exports direct current to load.
7. apparatus for converting DC power according to claim 6, is characterized in that, described direct-current power supply converting circuit also comprises feedback control module;
The input of described feedback control module is connected with the output of voltage detection module, control end is connected with the control end of described first boost module and the control end of described second boost module respectively, regulates the direct voltage exported for the first boost module described in the voltage driven that detects according to described voltage detection module and described second boost module.
8. apparatus for converting DC power according to claim 7, is characterized in that, described first boost module is identical with output voltage with the boost power of described second boost module.
9. apparatus for converting DC power according to claim 8, is characterized in that, described first diode is light-emitting diode.
10. apparatus for converting DC power according to claim 9, it is characterized in that, described direct-current power supply converting circuit also comprises the second diode, the anode of described second diode is connected with the earth terminal of described first boost module and the earth terminal of described second boost module simultaneously, the minus earth of described second diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410811830.2A CN104410269A (en) | 2014-12-24 | 2014-12-24 | Direct-current power supply converting circuit and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410811830.2A CN104410269A (en) | 2014-12-24 | 2014-12-24 | Direct-current power supply converting circuit and device |
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| CN104410269A true CN104410269A (en) | 2015-03-11 |
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| CN201410811830.2A Pending CN104410269A (en) | 2014-12-24 | 2014-12-24 | Direct-current power supply converting circuit and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612118A (en) * | 2017-10-20 | 2018-01-19 | 天津瑞发科半导体技术有限公司 | A kind of electric power controller and management method |
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| US20030117088A1 (en) * | 2001-12-19 | 2003-06-26 | Toyoda Gosei Co., Ltd. | LED lamp apparatus for vehicles |
| CN101313632A (en) * | 2005-12-12 | 2008-11-26 | 三菱电机株式会社 | Light emitting diode lighting device and vehicle light lighting device using same |
| CN103068096A (en) * | 2011-10-21 | 2013-04-24 | 海洋王照明科技股份有限公司 | Light-emitting diode (LED) lamp, current sampling circuit and drive circuit of LED lamp |
| CN103745701A (en) * | 2013-12-30 | 2014-04-23 | 深圳市华星光电技术有限公司 | Flyback boosting circuit, LED (light emitting diode) backlight driving circuit and liquid crystal display |
-
2014
- 2014-12-24 CN CN201410811830.2A patent/CN104410269A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030117088A1 (en) * | 2001-12-19 | 2003-06-26 | Toyoda Gosei Co., Ltd. | LED lamp apparatus for vehicles |
| CN101313632A (en) * | 2005-12-12 | 2008-11-26 | 三菱电机株式会社 | Light emitting diode lighting device and vehicle light lighting device using same |
| CN103068096A (en) * | 2011-10-21 | 2013-04-24 | 海洋王照明科技股份有限公司 | Light-emitting diode (LED) lamp, current sampling circuit and drive circuit of LED lamp |
| CN103745701A (en) * | 2013-12-30 | 2014-04-23 | 深圳市华星光电技术有限公司 | Flyback boosting circuit, LED (light emitting diode) backlight driving circuit and liquid crystal display |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612118A (en) * | 2017-10-20 | 2018-01-19 | 天津瑞发科半导体技术有限公司 | A kind of electric power controller and management method |
| CN107612118B (en) * | 2017-10-20 | 2019-01-04 | 天津瑞发科半导体技术有限公司 | A kind of electric power controller and management method |
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Application publication date: 20150311 |