CN106655739A - Control circuit used for constant-voltage current-limiting charging - Google Patents
Control circuit used for constant-voltage current-limiting charging Download PDFInfo
- Publication number
- CN106655739A CN106655739A CN201710036433.6A CN201710036433A CN106655739A CN 106655739 A CN106655739 A CN 106655739A CN 201710036433 A CN201710036433 A CN 201710036433A CN 106655739 A CN106655739 A CN 106655739A
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- resistance
- current
- commutation diode
- circuit
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/068—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode mounted on a transformer
Abstract
The invention discloses a control circuit used for constant-voltage current-limiting charging. The control circuit used for constant-voltage current-limiting charging comprises a switch circuit and a rectification filtration circuit; the switch circuit is connected with the rectification filtration circuit through a main transformer; and the control circuit used for constant-voltage current-limiting charging further comprises a charging control circuit for adjusting a conducting pulse width or a switch frequency of the switch circuit by acquiring a current and a voltage on the rectification filtration circuit. According to the control circuit, relatively low output current or voltage ripples can be output in a constant-current or constant-voltage state.
Description
Technical field
The present invention relates to control circuit technical field, is related specifically to a kind of control circuit for modified constant-voltage charge.
Background technology
With the cry more and more higher of change and the energy-saving and emission-reduction of human environment, the exploitation of green energy resource is into today's society
Development topic, and as reducing greenhouse gas emission and mitigate one of the solution relied on crude oil import, new forms of energy vapour
Car will become the trend of the times of various countries' automobile industry development, wherein receiving the very big concern of countries in the world with electric automobile especially.
Electric automobile is a kind of cleaning, low-carbon type Green Vehicle, mainly using power accumulator as main power source.It is existing
Battery charger finite capacity, the continual mileage after the electric automobile used on market once charges is generally 100km extremely
300km, then needs more to renew fully charged pond and is fed.With an urgent demand of the people to quick charge, high power DC
The use of battery charger is more and more universal.
Due to the particularity of accumulator load, want to make charger obtain low output ripple electric current or output ripple electricity
Pressure, the typically thing of a difficulty, particularly with the control mode of voltage mode, in order to be directed to the deficiencies in the prior art, research and development
Person is necessary to change a kind of mentality of designing, changes traditional constant current constant voltage control sample mode.
The content of the invention
To solve the problems, such as prior art, the object of the invention provides a kind of reasonable in design, simple structure, controlling
Can be preferably, it is possible to decrease the control circuit for modified constant-voltage charge of output current ripple or output voltage ripple.
To solve above technical problem, the present invention employs the following technical solutions to realize：
A kind of control circuit for modified constant-voltage charge, it is characterised in that including on-off circuit and current rectifying and wave filtering circuit,
The on-off circuit is connected by main transformer with current rectifying and wave filtering circuit, and the control circuit for being used for modified constant-voltage charge is also wrapped
One is included by gathering electric current and voltage on current rectifying and wave filtering circuit to adjust the conducting pulsewidth or switching frequency of on-off circuit
Charging control circuit.
In a preferred embodiment of the invention, the main transformer includes primary coil, the first secondary coil and the
Two secondary coils, the Same Name of Ends of the primary coil is connected respectively with non-name end with on-off circuit, in the first secondary line
Centre cap is provided between the Same Name of Ends of the non-same polarity of circle and the second secondary coil, the current rectifying and wave filtering circuit includes that first is whole
Stream diode, the second commutation diode, filter inductance, electric capacity, equivalent load and current sampling resistor, the pole of the first rectification two
The anode of pipe is connected with the Same Name of Ends of the first secondary coil of main transformer, the negative electrode of first commutation diode respectively with
The negative electrode of the second commutation diode is connected with one end of filter inductance, and the other end of the filter inductance is respectively with electric capacity just
Pole is connected with one end of equivalent load, and the anode of second commutation diode is non-with the second secondary coil of main transformer
Same Name of Ends is connected, and the electric current is connected using one end of resistance with the centre cap of main transformer, and the electric current is using electricity
The other end of the other end of resistance, the negative pole of electric capacity and equivalent load is grounded.
In a preferred embodiment of the invention, the main transformer includes primary coil and secondary coil, the original
The Same Name of Ends of sideline circle is connected respectively with non-name end with on-off circuit, and the current rectifying and wave filtering circuit includes the pole of the first rectification two
Pipe, the second commutation diode, the 3rd commutation diode, the 4th commutation diode, filter inductance, electric capacity, equivalent load and electric current
Sampling resistor, the anode of first commutation diode and the negative electrode of the second commutation diode respectively with the secondary line of main transformer
The non-same polarity of circle is connected, the anode of the 3rd commutation diode and the negative electrode of the 4th commutation diode respectively with main transformer pressure
The Same Name of Ends of the secondary coil of device is connected, the negative electrode of first commutation diode respectively with the negative electrode of the 3rd commutation diode
Be connected with one end of filter inductance, the other end of the filter inductance respectively with the positive pole and one end phase of equivalent load of electric capacity
Connection, the anode of second commutation diode respectively with the anode and one end phase of current sampling resistor of the 4th commutation diode
Connection, the electric current adopts the other end, the negative pole of electric capacity and the other end of equivalent load of resistance to be grounded.
In a preferred embodiment of the invention, the charging control circuit includes analog voltage outer shroud PID controller
With analog current inner ring PID controller, the current output terminal of the analog voltage outer shroud PID controller is connected with minimum of a value circuit
Connect, the electric current access port of the analog current inner ring PID controller is connected with minimum of a value circuit, the analog current inner ring
PID controller adjusts the conducting pulsewidth of on-off circuit by PWM/PFM modules.
In a preferred embodiment of the invention, the analog voltage outer shroud PID controller include first resistor, second
Resistance, 3rd resistor, the 4th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity and the first operational amplifier, described first is electric
One end of resistance is connected with the reference voltage of output voltage, the forward direction of the other end of the first resistor and the first operational amplifier
Input is connected, one end of second resistance pressure feedback port respectively with current rectifying and wave filtering circuit and one end of the first electric capacity
Be connected, the other end of second resistance reverse input end respectively with the first operational amplifier, one end of 3rd resistor,
One end of two electric capacity is connected with one end of the 3rd electric capacity, and the other end of the 3rd resistor is connected with the other end of the first electric capacity
Connect, the other end of second electric capacity is connected with one end of the 4th resistance, the other end of the 4th resistance, the 3rd electric capacity
The output end of the other end and the first operational amplifier is connected respectively with the current input terminal of minimum of a value circuit.
In a preferred embodiment of the invention, the analog current inner ring PID controller include the 5th resistance, the 6th
Resistance, the 7th resistance, the 8th resistance, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity and the second operational amplifier, the described 5th is electric
One end of resistance is connected with the current output terminal of minimum of a value circuit, the other end of the 5th resistance and the second operational amplifier
Positive input is connected, one end of the 6th resistance respectively with the current feedback terminal of current rectifying and wave filtering circuit and the 4th electric capacity
One end is connected, the other end of the 6th resistance reverse input end respectively with the second operational amplifier, the one of the 7th resistance
End, one end of the 5th electric capacity are connected with one end of the 6th electric capacity, and the other end of the 7th resistance is another with the 4th electric capacity
End is connected, and the other end of the 5th electric capacity is connected with one end of the 8th resistance, the other end of the 8th resistance, the 6th
The output end of the other end of electric capacity and the second operational amplifier is connected respectively with the current input terminal of PWM/PFM modules.
Compared with prior art, present invention additionally comprises one is adjusted by gathering electric current and voltage on current rectifying and wave filtering circuit
The conducting pulsewidth of section on-off circuit or the charging control circuit of switching frequency, using said structure, it is possible to decrease output current ripple
Or output voltage ripple.
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
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation that the on-off circuit and current rectifying and wave filtering circuit of the present invention implements.
Fig. 2 is the structural representation that the on-off circuit and current rectifying and wave filtering circuit of the present invention implements two.
Fig. 3 is the structural representation of the charging control circuit of the present invention.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
A kind of control circuit for modified constant-voltage charge, including on-off circuit A and current rectifying and wave filtering circuit, on-off circuit A
It is connected with current rectifying and wave filtering circuit by main transformer T1, the control circuit for being used for modified constant-voltage charge also includes one by adopting
Collect electric current and voltage on current rectifying and wave filtering circuit to adjust the conducting pulsewidth of on-off circuit or the charge control electricity of switching frequency
Road, on-off circuit A is various switching tube translation circuits.
On-off circuit A and current rectifying and wave filtering circuit implement one, with reference to shown in Fig. 1, main transformer T1 include primary coil L1, the
One secondary coil L2 and the second secondary coil L3, the Same Name of Ends of primary coil L1 is connected respectively with non-name end with on-off circuit A,
Centre cap, rectifying and wave-filtering electricity are provided between the non-same polarity of the first secondary coil L2 and the Same Name of Ends of the second secondary coil L3
Road includes the first commutation diode D1, the second commutation diode D2, filter inductance L11, electric capacity C1, equivalent load Rload and electricity
Stream sampling resistor Rshunt.
The anode of the first commutation diode D1 is connected with the Same Name of Ends of the first secondary coil L1 of main transformer T1, and first
The negative electrode of commutation diode D1 is connected respectively with the negative electrode of the second commutation diode D2 and one end of filter inductance L11, filtering
The other end of inductance L11 is connected respectively with the positive pole of electric capacity C1 and one end of equivalent load Rload, the second commutation diode D2
Anode be connected with the non-same polarity of the second secondary coil L3 of main transformer T1, electric current using resistance Rshunt one end with
The centre cap of main transformer T1 is connected, and electric current adopts the other end, the negative pole of electric capacity C1 and the equivalent load of resistance Rshunt
The other end of Rload is grounded.
On-off circuit A and current rectifying and wave filtering circuit implement two, with reference to shown in Fig. 2, main transformer T1 include primary coil L4 and
Secondary coil L5, the Same Name of Ends of primary coil L1 is connected respectively with non-name end with on-off circuit A, and current rectifying and wave filtering circuit includes the
One commutation diode D1, the second commutation diode D2, the 3rd commutation diode D3, the 4th commutation diode D4, filter inductance
L11, electric capacity C1, equivalent load Rload and current sampling resistor Rshunt.
The negative electrode of the anode of the first commutation diode D1 and the second commutation diode D2 respectively with the secondary of main transformer T1
The non-same polarity of coil L5 is connected, the anode of the 3rd commutation diode D3 and the negative electrode of the 4th commutation diode D4 respectively with master
The Same Name of Ends of the secondary coil L5 of transformer T1 is connected, the negative electrode of the first commutation diode D1 respectively with the 3rd commutation diode
The negative electrode of D3 is connected with one end of filter inductance L11, the other end of filter inductance L11 respectively with the positive pole of electric capacity C1 and equivalent
One end of load Rload is connected, the anode of the second commutation diode D2 respectively with the anode and electricity of the 4th commutation diode D4
One end of stream sampling resistor Rshunt is connected, and electric current adopts the other end, the negative pole of electric capacity C1 and the equivalent negative of resistance Rshunt
The other end for carrying Rload is grounded.
With reference to described in Fig. 3, charging control circuit includes that analog voltage outer shroud PID controller and analog current inner ring PID are controlled
Device processed, the current output terminal of analog voltage outer shroud PID controller is connected with minimum of a value circuit B, analog current inner ring PID control
The electric current access port of device is connected with minimum of a value circuit B, and analog current inner ring PID controller is adjusted by PWM/PFM modules and opened
The conducting pulsewidth of powered-down road A.
Analog voltage outer shroud PID controller include first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4,
First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3 and the first operational amplifier U1.
One end of first resistor R1 is connected with the reference voltage Voref of output voltage, the other end of first resistor R1 with
The positive input of the first operational amplifier U1 is connected, and one end of second resistance R2 is anti-with the voltage of current rectifying and wave filtering circuit respectively
One end of feedback end Vofd and the first electric capacity C1 is connected, and the other end of second resistance R2 is anti-with the first operational amplifier U1 respectively
One end to input, one end of 3rd resistor R3, the second electric capacity C2 is connected with one end of the 3rd electric capacity C3,3rd resistor R3
The other end be connected with the other end of the first electric capacity C1, the other end of the second electric capacity C2 is connected with one end of the 4th resistance R4
Connect, the output end of the other end, the other end of the 3rd electric capacity C3 and the first operational amplifier U1 of the 4th resistance R4 respectively with minimum
The current input terminal of value circuit B is connected.
The electric current being input in minimum of a value circuit by analog voltage outer shroud PID controller and whole circuit are intended reaching most
Big output current value Iomax compares through minimum of a value circuit, and the output of minimum of a value circuit B is used as analog current inner ring PID control
The input of device gives.
Analog current inner ring PID controller include the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8,
4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6 and the second operational amplifier U2.
One end of 5th resistance R5 is connected with the current output terminal of minimum of a value circuit B, the other end of the 5th resistance R5 with
The positive input of the second operational amplifier U2 is connected, and one end of the 6th resistance R6 is anti-with the electric current of current rectifying and wave filtering circuit respectively
One end of feedback end Vrshunt and the 4th electric capacity C4 is connected, the other end of the 6th resistance R6 respectively with the second operational amplifier U2
Reverse input end, one end of the 7th resistance R7, one end of the 5th electric capacity C5 be connected with one end of the 6th electric capacity C6, the 7th is electric
The other end of resistance R7 is connected with the other end of the 4th electric capacity C4, the other end of the 5th electric capacity C5 and one end phase of the 8th resistance R8
Connection, the output end of the other end, the other end of the 6th electric capacity C6 and the second operational amplifier U2 of the 8th resistance R8 respectively with
The current input terminal of PWM/PFM modules is connected.
In sum present invention additionally comprises one adjusts switch by gathering electric current and voltage on current rectifying and wave filtering circuit
The charging control circuit of the conducting pulsewidth of circuit, using said structure control performance is not only increased, and is hardly damaged connection
It is being the powertrain battery being charged on electric battery electrifier, is making control circuit integrally relatively simple, so as to reduce electric power storage
The volume and power consumption of electric battery electrifier.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, of the invention without departing from the spirit and scope of the present invention also to have various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent is defined.
Claims (6)
1. a kind of control circuit for modified constant-voltage charge, it is characterised in that including on-off circuit and current rectifying and wave filtering circuit, institute
State on-off circuit to be connected with current rectifying and wave filtering circuit by main transformer, the control circuit for being used for modified constant-voltage charge also includes
One adjusts the conducting pulsewidth of on-off circuit or filling for switching frequency by gathering electric current and voltage on current rectifying and wave filtering circuit
Electric control circuit.
2. a kind of control circuit for modified constant-voltage charge as claimed in claim 1, it is characterised in that：The main transformer
Including primary coil, the first secondary coil and the second secondary coil, the Same Name of Ends of the primary coil and non-name end respectively with open
Powered-down road is connected, and being provided with center between the non-same polarity of first secondary coil and the Same Name of Ends of the second secondary coil takes out
Head, the current rectifying and wave filtering circuit include the first commutation diode, the second commutation diode, filter inductance, electric capacity, equivalent load and
Current sampling resistor, the anode of first commutation diode is connected with the Same Name of Ends of the first secondary coil of main transformer,
The negative electrode of first commutation diode is connected respectively with the negative electrode of the second commutation diode and one end of filter inductance, described
The other end of filter inductance is connected respectively with the positive pole of electric capacity and one end of equivalent load, the sun of second commutation diode
Pole is connected with the non-same polarity of the second secondary coil of main transformer, the one end and main transformer of the electric current using resistance
Centre cap is connected, and the electric current adopts the other end, the negative pole of electric capacity and the other end of equivalent load of resistance to be grounded.
3. a kind of control circuit for modified constant-voltage charge as claimed in claim 1, it is characterised in that：The main transformer
Including primary coil and secondary coil, the Same Name of Ends of the primary coil is connected respectively with non-name end with on-off circuit, described
Current rectifying and wave filtering circuit include the first commutation diode, the second commutation diode, the 3rd commutation diode, the 4th commutation diode,
Filter inductance, electric capacity, equivalent load and current sampling resistor, the anode and the second commutation diode of first commutation diode
Negative electrode be connected with the non-same polarity of the secondary coil of main transformer respectively, the anode and the 4th of the 3rd commutation diode
The negative electrode of commutation diode is connected respectively with the Same Name of Ends of the secondary coil of main transformer, the moon of first commutation diode
Pole is connected respectively with the negative electrode of the 3rd commutation diode and one end of filter inductance, the other end of the filter inductance respectively with
The positive pole of electric capacity is connected with one end of equivalent load, the anode of second commutation diode respectively with the 4th commutation diode
Anode be connected with one end of current sampling resistor, the electric current is using the other end of resistance, the negative pole of electric capacity and equivalent negative
The other end of load is grounded.
4. a kind of control circuit for modified constant-voltage charge as claimed in claim 1, it is characterised in that：The charge control
Circuit includes analog voltage outer shroud PID controller and analog current inner ring PID controller, the analog voltage outer shroud PID control
The current output terminal of device is connected with minimum of a value circuit, electric current access port and the minimum of the analog current inner ring PID controller
Value circuit is connected, and the analog current inner ring PID controller adjusts the conducting pulsewidth of on-off circuit by PWM/PFM modules.
5. a kind of control circuit for modified constant-voltage charge as claimed in claim 4, it is characterised in that：The analog voltage
Outer shroud PID controller includes first resistor, second resistance, 3rd resistor, the 4th resistance, the first electric capacity, the second electric capacity, the 3rd electric
Hold and the first operational amplifier, one end of the first resistor is connected with the reference voltage of output voltage, the first resistor
The other end be connected with the positive input of the first operational amplifier, one end of the second resistance respectively with rectifying and wave-filtering electricity
One end of the pressure feedback port on road and the first electric capacity is connected, the other end of the second resistance respectively with the first operational amplifier
Reverse input end, one end of 3rd resistor, one end of the second electric capacity be connected with one end of the 3rd electric capacity, the 3rd resistor
The other end be connected with the other end of the first electric capacity, the other end of second electric capacity is connected with one end of the 4th resistance,
The output end of the other end, the other end of the 3rd electric capacity and the first operational amplifier of the 4th resistance respectively with minimum of a value circuit
Current input terminal be connected.
6. a kind of control circuit for modified constant-voltage charge as claimed in claim 4, it is characterised in that：The analog current
Inner ring PID controller includes the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 4th electric capacity, the 5th electric capacity, the 6th electric
Hold and the second operational amplifier, one end of the 5th resistance is connected with the current output terminal of minimum of a value circuit, the described 5th
The other end of resistance is connected with the positive input of the second operational amplifier, and one end of the 6th resistance is filtered respectively with rectification
One end of the current feedback terminal of wave circuit and the 4th electric capacity is connected, and the other end of the 6th resistance is put respectively with the second computing
The reverse input end of big device, one end of the 7th resistance, one end of the 5th electric capacity are connected with one end of the 6th electric capacity, and the described 7th
The other end of resistance is connected with the other end of the 4th electric capacity, and the other end of the 5th electric capacity is connected with one end of the 8th resistance
Connect, the output end of the other end, the other end of the 6th electric capacity and the second operational amplifier of the 8th resistance respectively with PWM/PFM
The current input terminal of module is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036433.6A CN106655739A (en) | 2017-01-17 | 2017-01-17 | Control circuit used for constant-voltage current-limiting charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036433.6A CN106655739A (en) | 2017-01-17 | 2017-01-17 | Control circuit used for constant-voltage current-limiting charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106655739A true CN106655739A (en) | 2017-05-10 |
Family
ID=58840797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710036433.6A Pending CN106655739A (en) | 2017-01-17 | 2017-01-17 | Control circuit used for constant-voltage current-limiting charging |
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| Country | Link |
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| CN (1) | CN106655739A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10150769A (en) * | 1996-11-15 | 1998-06-02 | Shindengen Electric Mfg Co Ltd | Forward type dc-dc converter |
| CN103324225A (en) * | 2013-04-01 | 2013-09-25 | 朱银娟 | Series PID (Proportion Integration Differentiation) control compensation method for vehicle-mounted charging system |
| CN103354419A (en) * | 2013-05-30 | 2013-10-16 | 西安交通大学 | On-chip full integration compensation network based on constant transconductance amplifier and capacitance multiplier |
| CN103618366A (en) * | 2013-11-22 | 2014-03-05 | 镇江赛尔尼柯自动化有限公司 | Intelligent ship charging machine and charging method |
| CN205882812U (en) * | 2016-02-05 | 2017-01-11 | 广东欧珀移动通信有限公司 | A charging system and power adapter for terminal |
| CN206402099U (en) * | 2017-01-17 | 2017-08-11 | 上海施能电器设备有限公司 | A kind of control circuit for modified constant-voltage charge |
-
2017
- 2017-01-17 CN CN201710036433.6A patent/CN106655739A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10150769A (en) * | 1996-11-15 | 1998-06-02 | Shindengen Electric Mfg Co Ltd | Forward type dc-dc converter |
| CN103324225A (en) * | 2013-04-01 | 2013-09-25 | 朱银娟 | Series PID (Proportion Integration Differentiation) control compensation method for vehicle-mounted charging system |
| CN103354419A (en) * | 2013-05-30 | 2013-10-16 | 西安交通大学 | On-chip full integration compensation network based on constant transconductance amplifier and capacitance multiplier |
| CN103618366A (en) * | 2013-11-22 | 2014-03-05 | 镇江赛尔尼柯自动化有限公司 | Intelligent ship charging machine and charging method |
| CN205882812U (en) * | 2016-02-05 | 2017-01-11 | 广东欧珀移动通信有限公司 | A charging system and power adapter for terminal |
| CN206402099U (en) * | 2017-01-17 | 2017-08-11 | 上海施能电器设备有限公司 | A kind of control circuit for modified constant-voltage charge |
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