CN103337971A - Power module circuit for electric vehicle charger controller - Google Patents
Power module circuit for electric vehicle charger controller Download PDFInfo
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- CN103337971A CN103337971A CN2013102541144A CN201310254114A CN103337971A CN 103337971 A CN103337971 A CN 103337971A CN 2013102541144 A CN2013102541144 A CN 2013102541144A CN 201310254114 A CN201310254114 A CN 201310254114A CN 103337971 A CN103337971 A CN 103337971A
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Abstract
The invention discloses a power module circuit for an electric vehicle charger controller. A diode bridge rectifier circuit is used for receiving an input alternating current, converting the alternating current into a direct current and outputting the direct current; a transformer T2 is used for receiving the direct current output by the diode bridge rectifier circuit and transforming a direct-current voltage; a photoelectric coupler TLP281 is connected with the primary and secondary sides of the transformer T2 and used for feeding a voltage output by the secondary side of the transformer T2; and a core control circuit is connected with the diode bridge rectifier circuit, the transformer T2 and the photoelectric coupler TLP281 and used for controlling the transformer T2 to work at a frequency of 66 kHz and adjusting the duty ratio of a switch frequency according to the feedback of the photoelectric coupler TLP281 to guarantee that the fixed voltage is output from the secondary side of the transformer T2. The power module circuit is higher in working stability and reliability, effectively prolongs the service life of a power module of the electric vehicle charger controller, and is simple in structure, strong in practicality, higher in promotion and application values, small in occupied space and high in drive power.
Description
Technical field
The invention belongs to the electric car charger technical field, relate in particular to a kind of power module circuitry for the electric car charger controller.
Background technology
The power module circuitry of the controller of electric car charger, its reliable and stable basic function that directly has influence on charger.The power module of its controller of charger in the market is because power requirement is less, therefore much use Industrial Frequency Transformers, volume is big, and efficient is low, output voltage can change with the variation of output AC voltage, needs to increase regulator block and just can offer the controller use.Along with the development of China's electric automobile, the big charger demand of the little power output in vehicle-mounted space has been proposed, the inner various piece of charger develops toward the high direction of the little reliability in space.
Summary of the invention
The object of the present invention is to provide a kind of power module circuitry for the electric car charger controller, be intended to solve the power module circuitry of the electric car charger that prior art provides, it is big to take up space, output voltage instability, the problem of failure rate height, job stability and poor reliability.
The present invention is achieved in that a kind of power module circuitry for the electric car charger controller, and this power module circuitry comprises:
Be used for to receive the alternating current of input, alternating current is converted to direct current, and the diode bridge rectifier circuit that direct current is exported;
Be connected with described diode bridge rectifier circuit, be used for receiving the direct current of described diode bridge rectifier circuit output, and described galvanic voltage is carried out the transformer T2 of conversion and isolation output;
The photoelectrical coupler TLP281 that is connected with the output of described transformer T2 is used for feedback transformer T2 secondary output voltage, and the former secondary power supply of isolating transformer T2;
The core control circuit that is connected with described diode bridge rectifier circuit, transformer T2 and photoelectrical coupler TLP281, be used for the frequency that control transformer T2 is operated in 66KHZ, and according to the duty ratio of the feedback adjusting switching frequency of TLP281, guarantee the fixing voltage of transformer T2 secondary output.
Further, specifically being connected to of this power module circuitry:
Input IN_L is connected with the input 1 of diode bridge rectifier circuit, input IN_N is connected with the input 2 of diode bridge rectifier circuit, the input 4 direct ground connection of diode bridge rectifier circuit, the output 3 of diode bridge rectifier circuit is by filter capacitor C1 ground connection;
The output 3 of diode bridge rectifier circuit is connected with the input 2 of transformer T2, the input 4 of transformer T2 is connected with the positive pole of diode D1, the negative pole of diode D1 is connected with an end of resistance R 1, the other end of resistance R 1 is connected with the input 2 of transformer T2, and the two ends of resistance R 1 are parallel with capacitor C 3;
The output 9 direct ground connection of transformer T2, the output 7 of transformer T2 is connected with the positive pole of diode D2, and the negative pole of diode D2 is by capacitor C 4 ground connection;
Core control circuit adopts control chip NPC1013, the pin 4 direct ground connection of control chip NPC1013, pin 4 also is connected with the pin 1 of control chip NPC1013 by capacitor C 2, and the pin 3 of control chip NPC1013 is connected with the input 4 of transformer T2;
The positive input of photoelectrical coupler TLP281 is connected with the negative pole of diode D2 by resistance R 4, voltage-stabiliser tube 1MSA5928 and resistance R 2, the positive pole of voltage-stabiliser tube 1MSA5928 is connected with an end of resistance R 3, the other end ground connection of resistance R 3, the two ends of resistance R 3 are parallel with capacitor C 41, the direct ground connection of the reverse input end of photoelectrical coupler TLP281, the reverse input end of photoelectrical coupler TLP281 also is connected with an end of capacitor C 50, the other end ground connection of capacitor C 50.
Further, described resistance R 1 is 100 kilo-ohms, and resistance R 2 is 240 ohm, and resistance R 3 is 120 ohm, resistance R 4 is 240 ohm, and filter capacitor C1 is 470uf/400V, and capacitor C 2 is 10UF/25V, and capacitor C 3 is 10uF, capacitor C 4 is 470uf/25V, and capacitor C 41 is 10uf, and capacitor C 50 is 4.7uf.
Further, the secondary side of described transformer T2 output 12V stabilized voltage power supply.
Power module circuitry for the electric car charger controller provided by the invention, diode bridge rectifier circuit receives the alternating current of input, alternating current is converted to direct current, and direct current exported, the direct current of transformer T2 reception diode bridge rectifier output, and galvanic voltage carried out conversion, photoelectrical coupler TLP281 is connected with the output of transformer T2, be used for isolating high-frequency circuit and low-frequency channel, prevent that the high-frequency signal that high-frequency circuit produces from influencing low-frequency channel, core control circuit and diode bridge rectifier circuit, transformer T2 and photoelectrical coupler TLP281 are connected, be used for monitoring in real time, and adjust whole power module circuitry working condition, this exchanges input and filter circuit, job stability and reliability are higher, have improved the useful life of electric car charger effectively, and be simple in structure, practical, have stronger popularization and using value.Single-chip control provided by the invention, the anti-sharp voltage stabilizing out-put supply of 66KHZ high-frequency operation, power requirement and the voltage request of satisfied charging battery charger controller, the space greatly reduces than Industrial Frequency Transformer, and q-percentile life is long.
Description of drawings
Fig. 1 is the structured flowchart of the power module circuitry that is used for the electric car charger controller that provides of the embodiment of the invention;
Fig. 2 is the circuit theory winding diagram of the power module circuitry that is used for the electric car charger controller that provides of the embodiment of the invention.
Among the figure: 11, diode bridge rectifier circuit; 12, transformer T2; 13, photoelectrical coupler TLP281; 14, core control circuit.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, 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 explaining the present invention, and be not used in restriction the present invention.
Fig. 1 shows the structure of the power module circuitry that is used for the electric car charger controller that the embodiment of the invention provides.For convenience of explanation, only show the part relevant with the embodiment of the invention.
This power module circuitry comprises:
Be used for to receive the alternating current of input, alternating current is converted to direct current, and the diode bridge rectifier circuit 11 that direct current is exported;
Be connected with diode bridge rectifier circuit 11, be used for the direct current of reception diode bridge rectifier 11 outputs, and galvanic voltage is carried out conversion and isolates the transformer T2 12 that exports;
The photoelectrical coupler TLP281 13 that is connected with the output of transformer T2 12 is used for feedback transformer T2 secondary output voltage, and the former secondary power supply of isolating transformer T2;
The core control circuit 14 that is connected with diode bridge rectifier circuit 11, transformer T2 12 and photoelectrical coupler TLP281 13, be used for the frequency that control transformer T2 is operated in 66KHZ, and according to the duty ratio of the feedback adjusting switching frequency of TLP28113, guarantee the fixing voltage of transformer T2 secondary output.In embodiments of the present invention, specifically being connected to of this power module circuitry:
Input IN_L is connected with the input 1 of diode bridge rectifier circuit 11, input IN_N is connected with the input 2 of diode bridge rectifier circuit 11, the input 4 direct ground connection of diode bridge rectifier circuit 11, the output 3 of diode bridge rectifier circuit 11 is by filter capacitor C1 ground connection;
The output 3 of diode bridge rectifier circuit 11 is connected with the input 2 of transformer T2 12, the input 4 of transformer T2 12 is connected with the positive pole of diode D1, the negative pole of diode D1 is connected with an end of resistance R 1, the other end of resistance R 1 is connected with the input 2 of transformer T2 12, and the two ends of resistance R 1 are parallel with capacitor C 3;
The output 9 direct ground connection of transformer T2 12, the output 7 of transformer T2 12 is connected with the positive pole of diode D2, and the negative pole of diode D2 is by capacitor C 4 ground connection;
The positive input of photoelectrical coupler TLP281 13 is connected with the negative pole of diode D2 by resistance R 4, voltage-stabiliser tube 1MSA5928 and resistance R 2, the positive pole of voltage-stabiliser tube 1MSA5928 is connected with an end of resistance R 3, the other end ground connection of resistance R 3, the two ends of resistance R 3 are parallel with capacitor C 41, the direct ground connection of the reverse input end of photoelectrical coupler TLP281 13, the reverse input end of photoelectrical coupler TLP281 13 also is connected with an end of capacitor C 50, the other end ground connection of capacitor C 50.
In embodiments of the present invention, resistance R 1 is 100 kilo-ohms, resistance R 2 is 240 ohm, and resistance R 3 is 120 ohm, and resistance R 4 is 240 ohm, filter capacitor C1 is 470uf/400V, capacitor C 2 is 10UF/25V, and capacitor C 3 is 10uF, and capacitor C 4 is 470uf/25V, capacitor C 41 is 10uf, and capacitor C 50 is 4.7uf.
In embodiments of the present invention, the secondary side of transformer T2 12 output 12V stabilized voltage power supply.
Below in conjunction with drawings and the specific embodiments application principle of the present invention is further described.
Fig. 2 shows the circuit theory winding diagram of the power module circuitry that is used for the electric car charger controller that the embodiment of the invention provides, input IN_L and IN_N connect diode bridge rectifier circuit 11, the other end output of diode bridge rectifier circuit 11 is by being connected back ground connection with the filter capacitor C1 of 470uf/400V, export an end of 12 windings of termination transformer T2 simultaneously, the other end forward of 12 windings of transformer T2 connects and connects the output that 100 kilo-ohms of resistance R 1 in parallel and 10uF capacitor C 3 connect diode bridge rectifier circuit 11 behind the MUR160 diode D1, one of transformer T2 12 secondary winding are rectified to connecing the other end common ground that MUR160 diode D2 connects 470uf/25V capacitor C 4 backs and secondary winding, secondary side output this moment 12V stabilized voltage power supply, the control chip of core control circuit 14 is NPC1013, connect the capacitor C 2 of 10UF/25V between 1 and No. 4 pin, No. 4 pin ground connection, No. 3 pin connect the lower end of 12 windings of transformer T2, No. 2 pin meets photoelectrical coupler TLP281 13, the electrical input of photoelectrical coupler TLP281 13 meets voltage-stabiliser tube 1MSA5928, and the 240 Ohmic resistance R2 that connect, connect the 12V stabilized voltage power supply of the secondary side output of transformer.
The power module circuitry that is used for the electric car charger controller that the embodiment of the invention provides, diode bridge rectifier circuit 11 receives the alternating current of input, alternating current is converted to direct current, and direct current exported, the direct current of transformer T212 reception diode bridge rectifier 11 outputs, and galvanic voltage carried out conversion, photoelectrical coupler TLP281 13 is connected with the output of transformer T2 12, the output voltage that is used for feedback transformer T2 secondary, core control circuit 14 and diode bridge rectifier circuit 11, transformer T2 12 and photoelectrical coupler TLP281 13 are connected, be used for the frequency that control transformer T2 12 is operated in 66KHZ, and according to the duty ratio of the feedback adjusting switching frequency of TLP281 13, guarantee the fixing voltage of transformer T2 secondary output.This circuit volume is little, and job stability and reliability are higher, has improved the useful life of electric car charger effectively, and is simple in structure, practical, has stronger popularization and using value.
Below only be preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. power module circuitry that is used for the electric car charger controller is characterized in that this power module circuitry comprises:
Be used for to receive the alternating current of input, alternating current is converted to direct current, and the diode bridge rectifier circuit that direct current is exported;
Be connected with described diode bridge rectifier circuit, be used for receiving the direct current of described diode bridge rectifier circuit output, and described galvanic voltage is carried out the transformer T2 of conversion and isolation output;
The photoelectrical coupler TLP281 that is connected with the output of described transformer T2 is used for feedback transformer T2 secondary output voltage, and the former secondary power supply of isolating transformer T2;
The core control circuit that is connected with described diode bridge rectifier circuit, transformer T2 and photoelectrical coupler TLP281, be used for the frequency that control transformer T2 is operated in 66KHZ, and according to the duty ratio of the feedback adjusting switching frequency of TLP281, guarantee the fixing voltage of transformer T2 secondary output.
2. power module circuitry as claimed in claim 1 is characterized in that, specifically being connected to of this power module circuitry:
Input IN_L is connected with the input 1 of diode bridge rectifier circuit, input IN_N is connected with the input 2 of diode bridge rectifier circuit, the input 4 direct ground connection of diode bridge rectifier circuit, the output 3 of diode bridge rectifier circuit is by filter capacitor C1 ground connection;
The output 3 of diode bridge rectifier circuit is connected with the input 2 of transformer T2, the input 4 of transformer T2 is connected with the positive pole of diode D1, the negative pole of diode D1 is connected with an end of resistance R 1, the other end of resistance R 1 is connected with the input 2 of transformer T2, and the two ends of resistance R 1 are parallel with capacitor C 3;
The output 9 direct ground connection of transformer T2, the output 7 of transformer T2 is connected with the positive pole of diode D2, and the negative pole of diode D2 is by capacitor C 4 ground connection;
Core control circuit adopts control chip NPC1013, the pin 4 direct ground connection of control chip NPC1013, pin 4 also is connected with the pin 1 of control chip NPC1013 by capacitor C 2, and the pin 3 of control chip NPC1013 is connected with the input 4 of transformer T2;
The positive input of photoelectrical coupler TLP281 is connected with the negative pole of diode D2 by resistance R 4, voltage-stabiliser tube 1MSA5928 and resistance R 2, the positive pole of voltage-stabiliser tube 1MSA5928 is connected with an end of resistance R 3, the other end ground connection of resistance R 3, the two ends of resistance R 3 are parallel with capacitor C 41, the direct ground connection of the reverse input end of photoelectrical coupler TLP281, the reverse input end of photoelectrical coupler TLP281 also is connected with an end of capacitor C 50, the other end ground connection of capacitor C 50.
3. power module circuitry as claimed in claim 2, it is characterized in that described resistance R 1 is 100 kilo-ohms, resistance R 2 is 240 ohm, resistance R 3 is 120 ohm, resistance R 4 is 240 ohm, and filter capacitor C1 is 470uf/400V, and capacitor C 2 is 10UF/25V, capacitor C 3 is 10uF, capacitor C 4 is 470uf/25V, and capacitor C 41 is 10uf, and capacitor C 50 is 4.7uf.
4. power module circuitry as claimed in claim 2 is characterized in that, the secondary side output 12V stabilized voltage power supply of described transformer T2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102541144A CN103337971A (en) | 2013-06-25 | 2013-06-25 | Power module circuit for electric vehicle charger controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102541144A CN103337971A (en) | 2013-06-25 | 2013-06-25 | Power module circuit for electric vehicle charger controller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216578A (en) * | 2015-09-08 | 2016-01-06 | 罗文凤 | Safety automation air conditioning control device in car |
| CN105641722A (en) * | 2016-01-07 | 2016-06-08 | 张洪叶 | Multifunctional sterilizing device for medical oncology |
| CN107102351A (en) * | 2017-05-15 | 2017-08-29 | 于丽娜 | A kind of sound-controlled apparatus detecting system and control method |
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| CN201919204U (en) * | 2010-11-19 | 2011-08-03 | 汤德明 | LED (light-emitting diode) drive circuit |
| CN102411907A (en) * | 2011-11-30 | 2012-04-11 | 陕西东显永益机电技术有限公司 | Display drive circuit for mobile phone |
| JP2013051819A (en) * | 2011-08-31 | 2013-03-14 | Panasonic Corp | Charger |
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2013
- 2013-06-25 CN CN2013102541144A patent/CN103337971A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201919204U (en) * | 2010-11-19 | 2011-08-03 | 汤德明 | LED (light-emitting diode) drive circuit |
| JP2013051819A (en) * | 2011-08-31 | 2013-03-14 | Panasonic Corp | Charger |
| CN102411907A (en) * | 2011-11-30 | 2012-04-11 | 陕西东显永益机电技术有限公司 | Display drive circuit for mobile phone |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216578A (en) * | 2015-09-08 | 2016-01-06 | 罗文凤 | Safety automation air conditioning control device in car |
| CN105641722A (en) * | 2016-01-07 | 2016-06-08 | 张洪叶 | Multifunctional sterilizing device for medical oncology |
| CN107102351A (en) * | 2017-05-15 | 2017-08-29 | 于丽娜 | A kind of sound-controlled apparatus detecting system and control method |
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Application publication date: 20131002 |