CN106655845A - Series resonant circuit and power supply - Google Patents
Series resonant circuit and power supply Download PDFInfo
- Publication number
- CN106655845A CN106655845A CN201710149703.4A CN201710149703A CN106655845A CN 106655845 A CN106655845 A CN 106655845A CN 201710149703 A CN201710149703 A CN 201710149703A CN 106655845 A CN106655845 A CN 106655845A
- Authority
- CN
- China
- Prior art keywords
- switch pipe
- resonant circuit
- series resonant
- electric capacity
- inductance coil
- Prior art date
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/4815—Resonant converters
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention discloses a series resonant circuit and a power supply. The series resonant circuit comprises a working voltage input end, a first switch tube, a second switch tube, a first capacitor, an inductance coil, a controller and an electrolytic capacitor; a first end of the first switch tube and the first end of the first capacitor are connected with the working voltage input end, a second end of the first switch tube and the first end of the second switch tube are connected with the first end of the inductance coil, the second end of the inductance coil is connected with the second end of the first capacitor, and the second end of the second switch tube is grounded; a control end of the first switch tube and the control end of the second switch tube are connected with the controller; and the anode of the electrolytic capacitor is connected with the working voltage input end, and the cathode of the electrolytic capacitor is grounded. The series resonant circuit disclosed by the invention reduces the circuit cost without reducing the electric energy conversion efficiency; and meanwhile, the series resonant circuit disclosed by the invention further has the advantages of simple structure and easy realization.
Description
Technical field
The present invention relates to field of power supplies, more particularly to a kind of series resonant circuit and power supply.
Background technology
Series resonant circuit (such as half bridge series resonance circuit) is a kind of efficient power conversion circuit, by series resonance
The resonance of circuit is realizing expeditiously power conversion.Generally all it is in transmitting terminal in Switching Power Supply and non-contact power field
Electric energy is efficiently converted into magnetic energy for emission using series resonant circuit to go out.
With reference to Fig. 1, Fig. 1 is the structural representation of the embodiment of series resonant circuit one in prior art.The series resonance electricity
Road includes operating voltage input VCC11, first switch pipe K11, second switch pipe K12, the first electric capacity C11, the second electric capacity
C12, inductance coil L11, electrochemical capacitor EC11 and controller (not shown).Specifically, the first end of the first switch pipe K11
And the first end of the first electric capacity C11 is connected with the operating voltage input VCC11, the first switch pipe K11's
Second end is connected respectively with the first end of the second switch pipe K12 and the first end of the inductance coil L11, the inductor wire
Second end of circle L11 is connected respectively with second end of the first electric capacity C11 and the first end of the second electric capacity C12, described
Second end of second end of the second electric capacity C12 and the second switch pipe K12 is grounded；The control of the first switch pipe K11
The control end of end and the second switch pipe K12 is connected with the controller；The positive pole of the electrochemical capacitor EC11 with it is described
Operating voltage input VCC11 connects, the minus earth of the electrochemical capacitor EC11.In the present embodiment, the operating voltage is defeated
Enter to hold the voltage of VCC11 to be provided by outside power circuit 200, i.e., the positive pole and the operating voltage of described electrochemical capacitor EC11
Input VCC11 be connected with the positive pole of outside power circuit 200, the negative pole of the electrochemical capacitor EC11 and outside power supply
The negative pole connection of circuit 200.
Above-mentioned series resonant circuit of the prior art, due to the inductance coil L11 2 electric capacity of having connected it is (i.e. described
First electric capacity C11 and the second electric capacity C12), therefore there is relatively costly defect.
The content of the invention
The main object of the present invention is to propose a kind of series resonant circuit, it is intended to do not reduce the basis of energy conversion efficiency
On, reduce the cost of series resonant circuit.
To achieve these goals, the present invention provides a kind of series resonant circuit, and the series resonant circuit includes work
Voltage input end, first switch pipe, second switch pipe, the first electric capacity, inductance coil, controller and electrochemical capacitor；Wherein：
The first end of the first end of the first switch pipe and first electric capacity connects with the operating voltage input
Connect, the second end of the first switch pipe connects respectively with the first end of the second switch pipe and the first end of the inductance coil
Connect, the second end of the inductance coil is connected with the second end of first electric capacity, the second end ground connection of the second switch pipe；
The control end of the control end of the first switch pipe and the second switch pipe is connected with the controller；The electrochemical capacitor
Positive pole be connected with the operating voltage input, the minus earth of the electrochemical capacitor.
Preferably, the first switch pipe is triode, metal-oxide-semiconductor or IGBT pipe.
Preferably, the second switch pipe is triode, metal-oxide-semiconductor or IGBT pipe.
Additionally, for achieving the above object, the present invention also provides a kind of series resonant circuit, and the series resonant circuit includes
Operating voltage input, first switch pipe, second switch pipe, the first electric capacity, inductance coil, controller and electrochemical capacitor；Wherein：
The first end of the first switch pipe is connected with the operating voltage input, the second end of the first switch pipe
Be connected with the first end of the second switch pipe and the first end of the inductance coil respectively, the second end of the inductance coil with
Second end of the first end connection of first electric capacity, the second end of first electric capacity and the second switch pipe is grounded；
The control end of the control end of the first switch pipe and the second switch pipe is connected with the controller；The electrochemical capacitor
Positive pole be connected with the operating voltage input, the minus earth of the electrochemical capacitor.
Preferably, the first switch pipe is triode, metal-oxide-semiconductor or IGBT pipe.
Preferably, the second switch pipe is triode, metal-oxide-semiconductor or IGBT pipe.
Additionally, for achieving the above object, the present invention also provides a kind of power supply, and the power supply includes series resonant circuit, institute
Series resonant circuit is stated including operating voltage input, first switch pipe, second switch pipe, the first electric capacity, inductance coil, control
Device and electrochemical capacitor；Wherein：
The first end of the first end of the first switch pipe and first electric capacity connects with the operating voltage input
Connect, the second end of the first switch pipe connects respectively with the first end of the second switch pipe and the first end of the inductance coil
Connect, the second end of the inductance coil is connected with the second end of first electric capacity, the second end ground connection of the second switch pipe；
The control end of the control end of the first switch pipe and the second switch pipe is connected with the controller；The electrochemical capacitor
Positive pole be connected with the operating voltage input, the minus earth of the electrochemical capacitor.
Additionally, for achieving the above object, the present invention also provides a kind of power supply, and the power supply includes series resonant circuit, institute
Series resonant circuit is stated including operating voltage input, first switch pipe, second switch pipe, the first electric capacity, inductance coil, control
Device and electrochemical capacitor；Wherein：
The first end of the first switch pipe is connected with the operating voltage input, the second end of the first switch pipe
Be connected with the first end of the second switch pipe and the first end of the inductance coil respectively, the second end of the inductance coil with
Second end of the first end connection of first electric capacity, the second end of first electric capacity and the second switch pipe is grounded；
The control end of the control end of the first switch pipe and the second switch pipe is connected with the controller；The electrochemical capacitor
Positive pole be connected with the operating voltage input, the minus earth of the electrochemical capacitor.
The present invention provides a kind of series resonant circuit of remote control, and the series resonant circuit is input into including operating voltage
End, first switch pipe, second switch pipe, the first electric capacity, inductance coil, controller and electrochemical capacitor；The first switch pipe
The first end of first end and first electric capacity is connected with the operating voltage input, the second end of the first switch pipe
Be connected with the first end of the second switch pipe and the first end of the inductance coil respectively, the second end of the inductance coil with
The second end connection of first electric capacity, the second end ground connection of the second switch pipe；The control end of the first switch pipe and
The control end of the second switch pipe is connected with the controller；The positive pole of the electrochemical capacitor is input into the operating voltage
End connection, the minus earth of the electrochemical capacitor.Series resonant circuit of the present invention on the basis of energy conversion efficiency is not reduced,
Reduce circuit cost；Meanwhile, the present invention also has the advantages that simple structure and easily realizes.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of the embodiment of series resonant circuit one in prior art；
Fig. 2 is the structural representation of series resonant circuit first embodiment of the present invention；
Fig. 3 is the structural representation of series resonant circuit second embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
The present invention provides a kind of series resonant circuit, and with reference to Fig. 2, Fig. 2 is series resonant circuit first embodiment of the present invention
Structural representation, in the present embodiment, the series resonant circuit 300 includes operating voltage input VCC1, first switch
Pipe K1, second switch pipe K2, the first electric capacity C1, inductance coil L1, electrochemical capacitor EC1 and controller (not shown).
Specifically, the first end of the first end of the first switch pipe K1 and the first electric capacity C1 is electric with the work
Pressure input VCC1 connection, second end of the first switch pipe K1 respectively with the first end of the second switch pipe K2 and described
The first end connection of inductance coil L1, second end of the inductance coil L1 is connected with second end of the first electric capacity C1, institute
State the second end ground connection of second switch pipe K2；The control end of the control end of the first switch pipe K1 and the second switch pipe K2
It is connected with the controller；The positive pole of the electrochemical capacitor EC1 is connected with the operating voltage input VCC1, the electrolysis
The minus earth of electric capacity EC1.
In the present embodiment, the first switch pipe K1 is triode, metal-oxide-semiconductor or IGBT pipe, and the second switch pipe K2 is
Triode, metal-oxide-semiconductor or IGBT pipe.
In the present embodiment, the voltage of the operating voltage input VCC1 is provided by outside power circuit 400, i.e., described
The positive pole of electrochemical capacitor EC1 and the operating voltage input VCC1 are connected with the positive pole of outside power circuit 400, described
The negative pole of electrochemical capacitor EC1 is connected with the negative pole of the power circuit 400 of outside.
The operation principle of the present embodiment series resonant circuit 300 is described in detail below：The first electric capacity C1 and the electricity
Sense coil L1 constitutes the resonant element of the present embodiment series resonant circuit 300, while the first electric capacity C1 and the inductor wire
Circle L1 also functions to the bridge arm function of the present embodiment series resonant circuit 300.In the present embodiment, when the controller exports corresponding
Control signal controls the second switch pipe K2 and closes to the first switch pipe K1 and the control end of the second switch pipe K2
Close, when the first switch pipe K1 disconnects, positive charge passes through the first electric capacity C1, the inductance coil L1 and described second
Switching tube K2 charges to the first electric capacity C1, while electric energy is efficiently converted to magnetic energy for emission and is gone out by the inductance L1.When
The controller exports corresponding control signal to the first switch pipe K1 and the control end of the second switch pipe K2, control
The first switch pipe K1 closures, when the second switch pipe K2 disconnects, the first electric capacity C1 is by the first switch pipe
K1 and the first inductance coil L1 discharges, while electric energy is efficiently converted to magnetic energy for emission and is gone out by the inductance L1.
The present embodiment series resonant circuit 300 reduces circuit cost on the basis of energy conversion efficiency is not reduced；Together
When, the present invention also has the advantages that simple structure and easily realizes.
The present invention also provides a kind of series resonant circuit, and with reference to Fig. 3, Fig. 3 is implemented for series resonant circuit of the present invention second
The structural representation of example, in the present embodiment, the series resonant circuit 500 includes operating voltage input VCC2, first switch pipe
K3, second switch pipe K4, the first electric capacity C2, inductance coil L2, electrochemical capacitor EC2 and controller (not shown).
Specifically, the first end of the first switch pipe K3 is connected with the operating voltage input VCC2, and described first
Second end of switching tube K3 is connected respectively with the first end of the second switch pipe K4 and the first end of the inductance coil L2, institute
The second end for stating inductance coil L2 is connected with the first end of the first electric capacity C2, second end of the first electric capacity C2 and described
Second end of second switch pipe K4 is grounded；The control end of the control end of the first switch pipe K3 and the second switch pipe K4
It is connected with the controller；The positive pole of the electrochemical capacitor EC2 is connected with the operating voltage input VCC2, the electrolysis
The minus earth of electric capacity EC2.
In the present embodiment, the first switch pipe K3 is triode, metal-oxide-semiconductor or IGBT pipe, and the second switch pipe K4 is
Triode, metal-oxide-semiconductor or IGBT pipe.
In the present embodiment, the voltage of the operating voltage input VCC2 is provided by outside power circuit 600, i.e., described
The positive pole of electrochemical capacitor EC2 and the operating voltage input VCC2 are connected with the positive pole of outside power circuit 600, described
The negative pole of electrochemical capacitor EC2 is connected with the negative pole of the power circuit 600 of outside.
The operation principle of the present embodiment series resonant circuit 500 is described in detail below：The first electric capacity C2 and the electricity
Sense coil L2 constitutes the resonant element of the present embodiment series resonant circuit 500, while the first electric capacity C2 and the inductor wire
Circle L2 also functions to the bridge arm function of the present embodiment series resonant circuit 500.In the present embodiment, when the controller exports corresponding
Control signal controls the first switch pipe K3 and closes to the first switch pipe K3 and the control end of the second switch pipe K4
Close, when the second switch pipe K4 disconnects, positive charge passes through the first electric capacity C2, the inductance coil L2 and described first
Switching tube K3 charges to the first electric capacity C2, while electric energy is efficiently converted to magnetic energy for emission and is gone out by the inductance L2.When
The controller exports corresponding control signal to the first switch pipe K3 and the control end of the second switch pipe K4, control
The second switch pipe K4 closures, when the first switch pipe K3 disconnects, the first electric capacity C2 passes through the second switch pipe
The K4 and inductance coil L2 discharges, while electric energy is efficiently converted to magnetic energy for emission and is gone out by the inductance L2.
The present embodiment series resonant circuit reduces circuit cost on the basis of energy conversion efficiency is not reduced；This
It is bright also to there is simple structure and easily realize.
The present invention also provides a kind of power supply, and the power supply includes series resonant circuit, and the structure of the series resonant circuit can join
According to above-mentioned first embodiment, will not be described here.Naturally, implement because the power supply of the present embodiment employs above-mentioned first
The technical scheme of the series resonant circuit in example, therefore there is the power supply series resonant circuit in above-mentioned first embodiment to own
Beneficial effect.
The present invention also provides a kind of power supply, and the power supply includes series resonant circuit, and the structure of the series resonant circuit can join
According to above-mentioned second embodiment, will not be described here.Naturally, implement because the power supply of the present embodiment employs above-mentioned second
The technical scheme of the series resonant circuit in example, therefore there is the power supply series resonant circuit in above-mentioned second embodiment to own
Beneficial effect.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of series resonant circuit, it is characterised in that the series resonant circuit includes operating voltage input, first switch
Pipe, second switch pipe, the first electric capacity, inductance coil, controller and electrochemical capacitor；Wherein：
The first end of the first end of the first switch pipe and first electric capacity is connected with the operating voltage input, institute
The second end for stating first switch pipe is connected respectively with the first end of the second switch pipe and the first end of the inductance coil, institute
The second end for stating inductance coil is connected with the second end of first electric capacity, the second end ground connection of the second switch pipe；It is described
The control end of the control end of first switch pipe and the second switch pipe is connected with the controller；The electrochemical capacitor is just
Pole is connected with the operating voltage input, the minus earth of the electrochemical capacitor.
2. series resonant circuit as claimed in claim 1, it is characterised in that the first switch pipe be triode, metal-oxide-semiconductor or
IGBT is managed.
3. series resonant circuit as claimed in claim 1, it is characterised in that the second switch pipe be triode, metal-oxide-semiconductor or
IGBT is managed.
4. a kind of series resonant circuit, it is characterised in that the series resonant circuit includes operating voltage input, first switch
Pipe, second switch pipe, the first electric capacity, inductance coil, controller and electrochemical capacitor；Wherein：
The first end of the first switch pipe is connected with the operating voltage input, the second end difference of the first switch pipe
Be connected with the first end of the second switch pipe and the first end of the inductance coil, the second end of the inductance coil with it is described
Second end of the first end connection of the first electric capacity, the second end of first electric capacity and the second switch pipe is grounded；It is described
The control end of the control end of first switch pipe and the second switch pipe is connected with the controller；The electrochemical capacitor is just
Pole is connected with the operating voltage input, the minus earth of the electrochemical capacitor.
5. series resonant circuit as claimed in claim 4, it is characterised in that the first switch pipe be triode, metal-oxide-semiconductor or
IGBT is managed.
6. series resonant circuit as claimed in claim 4, it is characterised in that the second switch pipe be triode, metal-oxide-semiconductor or
IGBT is managed.
7. a kind of power supply, it is characterised in that the power supply includes the series resonant circuit any one of claims 1 to 3.
8. a kind of power supply, it is characterised in that the power supply includes the series resonant circuit any one of claim 4 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710149703.4A CN106655845A (en) | 2017-03-13 | 2017-03-13 | Series resonant circuit and power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710149703.4A CN106655845A (en) | 2017-03-13 | 2017-03-13 | Series resonant circuit and power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106655845A true CN106655845A (en) | 2017-05-10 |
Family
ID=58848337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710149703.4A Pending CN106655845A (en) | 2017-03-13 | 2017-03-13 | Series resonant circuit and power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106655845A (en) |
Citations (7)
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| CN1950914A (en) * | 2004-05-04 | 2007-04-18 | 皇家飞利浦电子股份有限公司 | A wireless powering device, an energizable load, a wireless system and a method for a wireless energy transfer |
| CN202231500U (en) * | 2011-08-24 | 2012-05-23 | 福州大学 | Non-contact charger capable of automatic tracking of resonant frequency of switch power circuit |
| CN103596308A (en) * | 2013-11-18 | 2014-02-19 | 亿夫曼（北京）科技有限公司 | Series resonance device for electromagnetic heating |
| TW201414132A (en) * | 2012-09-07 | 2014-04-01 | Sharp Kk | Wireless power supply system and wireless power-receiving device |
| CN203707858U (en) * | 2014-01-03 | 2014-07-09 | 无锡市产品质量监督检验中心 | Electric bicycle magnetic coupling resonant wireless charger |
| TW201618423A (en) * | 2014-09-25 | 2016-05-16 | 納維達斯半導體公司 | Soft switched single stage wireless power transfer |
| CN206686100U (en) * | 2017-03-13 | 2017-11-28 | 中惠创智（深圳）无线供电技术有限公司 | Series resonant circuit and power supply |
-
2017
- 2017-03-13 CN CN201710149703.4A patent/CN106655845A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1950914A (en) * | 2004-05-04 | 2007-04-18 | 皇家飞利浦电子股份有限公司 | A wireless powering device, an energizable load, a wireless system and a method for a wireless energy transfer |
| CN202231500U (en) * | 2011-08-24 | 2012-05-23 | 福州大学 | Non-contact charger capable of automatic tracking of resonant frequency of switch power circuit |
| TW201414132A (en) * | 2012-09-07 | 2014-04-01 | Sharp Kk | Wireless power supply system and wireless power-receiving device |
| CN103596308A (en) * | 2013-11-18 | 2014-02-19 | 亿夫曼（北京）科技有限公司 | Series resonance device for electromagnetic heating |
| CN203707858U (en) * | 2014-01-03 | 2014-07-09 | 无锡市产品质量监督检验中心 | Electric bicycle magnetic coupling resonant wireless charger |
| TW201618423A (en) * | 2014-09-25 | 2016-05-16 | 納維達斯半導體公司 | Soft switched single stage wireless power transfer |
| CN206686100U (en) * | 2017-03-13 | 2017-11-28 | 中惠创智（深圳）无线供电技术有限公司 | Series resonant circuit and power supply |
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Effective date of registration: 20230630 Address after: Room 307 and 308, 3rd floor, Building 2, 2021 Qianshan Mingzhu South Road, Xiangzhou District, Zhuhai City, Guangdong Province, 519000 Applicant after: Zhuhai Hanxiang Technology Co.,Ltd. Address before: Building 4, Building B, Tian'an Digital City, Longcheng Street, Longgang District, Shenzhen City, Guangdong Province, 518116, 603-604 Applicant before: ZONECHARGE (SHENZHEN) WIRELESS POWER TECHNOLOGY Co.,Ltd. |