CN203596636U - AC-DC charger - Google Patents
AC-DC charger Download PDFInfo
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- CN203596636U CN203596636U CN201320723280.XU CN201320723280U CN203596636U CN 203596636 U CN203596636 U CN 203596636U CN 201320723280 U CN201320723280 U CN 201320723280U CN 203596636 U CN203596636 U CN 203596636U
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- 238000002955 isolation Methods 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 29
- 238000004891 communication Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 14
- 238000005070 sampling Methods 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000001012 protector Effects 0.000 claims description 6
- 230000007257 malfunction Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000010606 normalization Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
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Abstract
The utility model provides an AC-DC charger. The AC-DC charger comprises a rectification and filtering current, a first PWM conversion circuit, a second PWM conversion circuit, a power pulse transformer, a high-frequency pulse rectification circuit, a controller and a first electrical isolation device. According to the utility model, the AC-DC charger can be input with either alternating current commercial power or solar direct current power, and the controller is used to choose between an alternating current charging mode and a direct-current charging mode.
Description
Technical field
The utility model relates to a kind of alternating current-direct current charger.Particularly, the utility model relates to a kind of alternating current-direct current charger that both can input solar energy also can input AC civil power.
Background technology
Due to energy worsening shortages, how to utilize the clean energy resourcies such as solar energy more as much as possible and how to use more efficiently electric main, become more and more important, also become the problem that people are more and more concerned about.
By day, shine upon sufficient time, should preferentially directly use solar energy, and unnecessary solar energy is stored, to use when the later peak of power consumption of darkness; When electricity consumption trough, now use the people of electric main minimum at dead of night, will produce waste if the electricity that power plant sends is not utilized, therefore also electric main now should be stored, in the time of peak of power consumption, use.This energy-conservation electricity consumption strategy need to have can store solar energy, can store again the charging device of trough civil power.
For the use of solar energy, one is to utilize solar panel, converts solar energy into electrical energy use.The utility model is also for this field.The output characteristic of present known solar panels has " unimodal " or " multimodal " power extremum characteristic.For irradiating uniform solar panel, power stage has the maximum power point (mpp) of " unimodal "; For the solar panel that has shade to block, power stage has the maximum power point (mpp) of " multimodal ".
It is the double-deck electrochemical capacitor connection in series-parallel combination of the utilization storage solar energy electricity of describing in 94106883 patent application " solar cell system " that the known technology of utilizing solar panel storage of electrical energy mainly contains the patent No.; In the patent application " solar recharging system " that the disclosed patent No. of unauthorized is 01138685, disclose the double-deck electrochemical capacitor of a kind of use and deposited electricity, utilize the clock with certain duty ratio to capacitor charging, this duty ratio is determined by solar energy peak power output simultaneously.
The information that is disclosed in this utility model background technology part is only intended to deepen the understanding to general background technology of the present utility model, and should not be regarded as admitting or imply that in any form this information structure has been prior art known in those skilled in the art.
Utility model content
The utility model is devoted to solve the problems referred to above relevant with prior art, having proposed one both can input AC civil power, also can input electricity sun energy direct current, and the optional alternating current-direct current charger of charge mode, its charge mode has the automatic mode of preferential solar energy and can select AC charging pattern or DC charging pattern by external bus or control line.
Comprise according to alternating current-direct current charger of the present utility model: current rectifying and wave filtering circuit, a PWM change-over circuit, the 2nd PWM change-over circuit, output pulses transformer, high-frequency impulse rectification circuit, controller, and first electricity isolation device, wherein, the input termination alternating voltage of described current rectifying and wave filtering circuit; The one PWM change-over circuit is connected with the output of described current rectifying and wave filtering circuit, and the output copped wave of described rectifying and wave-filtering is formed to power P WM pulse, carries out power factor correction simultaneously; The input termination direct voltage of described the 2nd PWM change-over circuit, forms pwm pulse by the direct voltage copped wave of input; Described output pulses transformer has two former ends and one end, and there is respectively former end/time end turn ratio that design needs, two former ends of described output pulses transformer are connected with the output of a described PWM change-over circuit and the output of described the 2nd PWM change-over circuit respectively, and output voltage is converted to time end from former end separately; Described high-frequency impulse rectification circuit is connected with time end of described output pulses transformer, and the output pulses of time end output to described output pulses transformer carries out rectification; Described controller is connected with a described PWM change-over circuit, described the 2nd PWM change-over circuit, and is connected with described high-frequency impulse rectification circuit by the first electricity isolation device; Described the first electricity isolation device, is connected between described high-frequency impulse rectification circuit and described controller.Wherein, by described controller, the control of a described PWM change-over circuit and described the 2nd PWM change-over circuit is realized the selection of AC charging pattern and DC charging pattern.
Alternatively, described alternating current-direct current charger has input current detecting device, comprises the first current detection circuit and the second current detection circuit, and described the first testing circuit is serially connected with and exchanges on incoming line, detect the electric current that exchanges input, and there is an output that is connected to described controller; Described the second current detection circuit is serially connected with on direct current incoming line, detects the electric current of direct current input, and has an output that is connected to described controller.
Alternatively, described alternating current-direct current charger has input voltage checkout gear, comprises the first voltage detecting circuit and second voltage testing circuit, and described the first voltage detecting circuit is connected to and exchanges between incoming line and described controller, detects the voltage that exchanges input; Described second voltage testing circuit is connected between direct current incoming line and described controller, detects the voltage of direct current input.
Alternatively, described alternating current-direct current charger has output current control device, described output current control device comprises current sampling circuit, current loop circuit and the second electricity isolation device, wherein said current sampling circuit is serially connected with on outlet line, the electric current of sampling output enters the current loop circuit being connected with described controller via described the second electricity isolation device, and described controller is controlled the output charging current of described alternating current-direct current charger according to the output of described output current control device.
Alternatively, described alternating current-direct current charger has output voltage-operated device, described output voltage-operated device comprises voltage sample circuit, Voltage loop circuit and the 3rd electricity isolation device, wherein said voltage sample circuit is connected to outlet line, the voltage of output enters the Voltage loop circuit being connected with described controller via described the 3rd electricity isolation device, and described controller is controlled the output charging voltage of described alternating current-direct current charger according to the output of described output voltage-operated device.
Alternatively, described alternating current-direct current charger has communication bus, described communication bus is connected with described controller via isolation transceiver module, and described controller is according to outside input selection AC charging pattern and the DC charging pattern of described communication bus, and beginning and the end of control charging.
Alternatively, described alternating current-direct current charger has the control line being connected with described controller, and described controller is according to outside input selection AC charging pattern and the DC charging pattern of described control line, and beginning and the end of control charging.
Alternatively, described alternating current-direct current charger by described control line by the charged state of described alternating current-direct current charger and data feedback to Upper system.
Alternatively, described alternating current-direct current charger has protective device, described protective device is included in the switch in the alternating-current switch on interchange incoming line, DC switch and the described high-frequency impulse rectification circuit on direct current incoming line, described alternating-current switch and described DC switch are power switch, realize overcurrent and overvoltage protection to input; Switch in described high-frequency impulse rectification circuit is similarly power switch, realizes overcurrent and overvoltage protection to output; And pass through the overheat protector of described power switch self, and detect the working temperature of described power switch, realize the overheat protector to described alternating current-direct current charger system.
Alternatively, described alternating current-direct current charger is by described communication bus, by the charged state of described alternating current-direct current charger, data and comprise that the malfunction of overvoltage, overcurrent, excess temperature feeds back to Upper system.
The alternating current-direct current charger that the utility model proposes, can select AC charging pattern and DC charging pattern in the mode of external control and Long-distance Control, and realize the control to charging voltage and charging current, in order to realize easily the scheduling controlling of energy resource supply.
Accompanying drawing explanation
By including accompanying drawing herein in and being used from subsequently the embodiment of explanation some principle of the present utility model with accompanying drawing one, the further feature that device of the present utility model has and advantage will become clear or more specifically be illustrated.
Fig. 1 is according to the structural representation of alternating current-direct current charger of the present utility model.
Reference numeral:
Current rectifying and wave filtering circuit 1
The one PWM change-over circuit 2
The 2nd PWM change-over circuit 3
Output pulses transformer 4
High-frequency impulse rectification circuit 5
Controller 6
The first current detection circuit 7
The second current detection circuit 8
The first voltage detecting circuit 9
Second voltage testing circuit 10
Current loop circuit 12
Voltage loop circuit 14
Alternating-current switch 15
Isolation R-T unit 17
Communication bus 18
Control line 19
The first electricity isolation device 31
The second electricity isolation device 32
The 3rd electricity isolation device 33.
Embodiment
A lot of details are set forth in the following description so that fully understand the utility model.But the utility model can be implemented to be much different from alternate manner described here, those skilled in the art can do similar popularization without prejudice to the utility model intension in the situation that, and therefore the utility model is not subject to the restriction of following public specific embodiment.
Fig. 1 is according to the structural representation of the alternating current-direct current charger that can select charge mode of the present utility model.
As shown in Figure 1, current rectifying and wave filtering circuit 1, a PWM change-over circuit 2, output pulses transformer 4, high-frequency impulse rectification circuit 5 are connected in series successively, form AC charging part.Wherein, alternating voltage AC Vin enters this AC charging part from the input of current rectifying and wave filtering circuit 1, and first current rectifying and wave filtering circuit 1 carries out rectification and filtering to it, the driving voltage of output direct current.First the one PWM change-over circuit 2 forms the power P WM pulse with certain duty ratio by the output voltage copped wave of rectifying and wave-filtering, changes the voltage of an input that inputs to output pulses transformer 4 by controlling the duty ratio of this power P WM pulse.The pulse voltage of time end output of output pulses transformer 4, through the rectification of high-frequency impulse rectification circuit 5, is output as the direct voltage Vout of battery charging, thereby realizes the charging of AC mode.
The 2nd PWM change-over circuit 3, output pulses transformer 4 are connected in series successively with high-frequency impulse rectification circuit 5, form DC charging part.Wherein, direct voltage DC Vin directly enters this DC charging part.First the 2nd PWM change-over circuit 3 forms the power P WM pulse with certain duty ratio by the direct voltage copped wave of input, changes the voltage of another input that inputs to output pulses transformer 4 by controlling the duty ratio of this power P WM pulse.The alternating voltage of time end output of output pulses transformer 4, through the rectification of high-frequency impulse rectification circuit 5, is output as the direct voltage of battery charging, thereby realizes the charging of DC mode.
Controller 6 is connected with a PWM change-over circuit 2, the 2nd PWM change-over circuit 3, and is connected with high-frequency impulse rectification circuit 5 by the first electricity isolation device 31, can realize the selection to AC charging pattern and DC charging pattern.
From the above, current rectifying and wave filtering circuit 1, a PWM change-over circuit 2, the 2nd PWM change-over circuit 3, output pulses transformer 4, high-frequency impulse rectification circuit 5, controller 6 and the first electricity isolation device 31 can be realized the most basic function that charge mode is selected of described alternating current-direct current charger.
The alternating voltage AC Vin of input is preferably the voltage of electric main, and the direct voltage DC Vin of input is preferably the voltage of solar DC.
Preferably have input current detecting device according to alternating current-direct current charger of the present utility model, it comprises the first current detection circuit 7 and the second current detection circuit 8.Wherein, the first current detection circuit 7 is serially connected with on the circuit that exchanges input, to detect the electric current that exchanges input, and has an output that is connected to controller 6; The second current detection circuit 8 is serially connected with on the circuit of direct current input, to detect the electric current of direct current input, and has an output that is connected to controller 6.
Preferably have input voltage checkout gear according to alternating current-direct current charger of the present utility model, it comprises the first voltage detecting circuit 9 and second voltage testing circuit 10.Wherein, the first voltage detecting circuit 9 is connected to and exchanges between incoming line and controller 6, for detection of the voltage that exchanges input, and by the voltage normalization of sampling; Second voltage testing circuit 10 is connected between direct current incoming line and controller 6, for detection of the voltage of direct current input and by the voltage normalization of sampling.
Controller 6 carries out automatic decision according to each detected value detecting, to realize the selection to AC charging pattern and DC charging pattern, and automatically controls beginning and the end of charging.
In the time charge mode being selected according to detected value, the preferential electricity sun of selecting of controller 6 can DC charging pattern.
Preferably there is communication bus 18 according to alternating current-direct current charger of the present utility model.Communication bus 18 is connected with controller 6 via isolation transceiver module 17, and the data that controller 6 is inputted according to communication bus 18 can realize the Remote Selection to AC charging pattern and DC charging pattern, and controls beginning and the end of charging.
Preferably there is control line 19 according to alternating current-direct current charger of the present utility model.Control line 19 is connected with controller 6, and controller 6 can be realized the selection to AC charging pattern and DC charging pattern according to the outside input of control line 19, and controls beginning and the end of charging.
Preferably have output current control device according to alternating current-direct current charger of the present utility model, this current control device comprises current sampling circuit 11, current loop circuit 12 and the second electricity isolation device 32.Wherein, the electric current that current sampling circuit 11 is exported high-frequency impulse rectification circuit 5 samples, and the electric current of sampling output enters current loop circuit 12, and carries out electrical isolation by the second electricity isolation device 32 between current loop circuit 12 and controller 6.Controller 6 is realized the control to output charging current according to the electric current of output current control device output.
Preferably have output voltage-operated device according to alternating current-direct current charger of the present utility model, this voltage-operated device comprises voltage sample circuit 13, Voltage loop circuit 14 and the 3rd electricity isolation device 33.Wherein, the voltage that voltage sample circuit 13 is exported high-frequency impulse rectification circuit 5 samples, and enters Voltage loop circuit 14, and carry out electrical isolation by the 3rd electricity isolation device 33 between Voltage loop circuit 14 and controller 6 after the voltage of sampling output.Controller 6 is realized the control to output charging voltage according to the voltage of voltage-operated device output.
Utilize foregoing communication bus 18, coordinate current control device and voltage-operated device, can realize the Long-distance Control to charging current and charging voltage by the control of controller 6.
Utilize foregoing control line 19, coordinate current control device and voltage-operated device, can realize the external control to charging current and charging voltage by the control of controller 6.
Utilize foregoing control line 19, can by according to the charged state of alternating current-direct current charger of the present utility model and data feedback to Upper system.
Preferably have protective device according to alternating current-direct current charger of the present utility model, this protective device comprises and is arranged in the alternating-current switch 15 that exchanges on incoming line, is positioned at the DC switch 16 on direct current incoming line and is positioned at the switch (not shown) of high-frequency impulse rectification circuit.Alternating-current switch 15 is preferably power switch with DC switch 16, can realize overcurrent and overvoltage protection to input.Switch in high-frequency impulse rectification circuit is preferably power switch equally, can realize overcurrent and overvoltage protection to output.By the overheat protector of power switch self, and detect the working temperature of described power switch, system can realize overheat protector.
According to alternating current-direct current charger of the present utility model preferably by communication bus 19 by charged state, data and comprise that the malfunction of overvoltage, overcurrent, excess temperature feeds back to Upper system.
Claims (10)
1. an alternating current-direct current charger, is characterized in that, described alternating current-direct current charger comprises:
Current rectifying and wave filtering circuit, the input termination alternating voltage of described current rectifying and wave filtering circuit;
The one PWM change-over circuit, is connected with the output of described current rectifying and wave filtering circuit, and the output copped wave of described rectifying and wave-filtering is formed to power P WM pulse, carries out power factor correction simultaneously;
The 2nd PWM change-over circuit, the input termination direct voltage of described the 2nd PWM change-over circuit, forms pwm pulse by the direct voltage copped wave of input;
Output pulses transformer, there is two former ends and one end, and there is respectively former end/time end turn ratio that design needs, two former ends of described output pulses transformer are connected with the output of a described PWM change-over circuit and the output of described the 2nd PWM change-over circuit respectively, and output voltage is converted to time end from former end separately;
High-frequency impulse rectification circuit, is connected with time end of described output pulses transformer, and the output pulses of time end output to described output pulses transformer carries out rectification;
Controller, described controller is connected with a described PWM change-over circuit, described the 2nd PWM change-over circuit, and is connected with described high-frequency impulse rectification circuit by the first electricity isolation device; And
The first electricity isolation device, is connected between described high-frequency impulse rectification circuit and described controller;
Wherein, by described controller, the control of a described PWM change-over circuit and described the 2nd PWM change-over circuit is realized the selection of AC charging pattern and DC charging pattern.
2. alternating current-direct current charger according to claim 1, it is characterized in that thering is input current detecting device, comprise the first current detection circuit and the second current detection circuit, described the first testing circuit is serially connected with and exchanges on incoming line, detect the electric current that exchanges input, and there is an output that is connected to described controller; Described the second current detection circuit is serially connected with on direct current incoming line, detects the electric current of direct current input, and has an output that is connected to described controller.
3. alternating current-direct current charger according to claim 1, it is characterized in that having input voltage checkout gear, comprise the first voltage detecting circuit and second voltage testing circuit, described the first voltage detecting circuit is connected to and exchanges between incoming line and described controller, detects the voltage that exchanges input; Described second voltage testing circuit is connected between direct current incoming line and described controller, detects the voltage of direct current input.
4. alternating current-direct current charger according to claim 1, it is characterized in that having output current control device, described output current control device comprises current sampling circuit, current loop circuit and the second electricity isolation device, wherein said current sampling circuit is serially connected with on outlet line, the electric current of sampling output enters the current loop circuit being connected with described controller via described the second electricity isolation device, and described controller is controlled the output charging current of described alternating current-direct current charger according to the output of described output current control device.
5. alternating current-direct current charger according to claim 1, it is characterized in that thering is output voltage-operated device, described output voltage-operated device comprises voltage sample circuit, Voltage loop circuit and the 3rd electricity isolation device, wherein said voltage sample circuit is connected to outlet line, the voltage of output enters the Voltage loop circuit being connected with described controller via described the 3rd electricity isolation device, and described controller is controlled the output charging voltage of described alternating current-direct current charger according to the output of described output voltage-operated device.
6. according to the alternating current-direct current charger described in claim 4 or 5, it is characterized in that thering is communication bus, described communication bus is connected with described controller via isolation transceiver module, described controller is according to outside input selection AC charging pattern and the DC charging pattern of described communication bus, and beginning and the end of control charging.
7. according to the alternating current-direct current charger described in claim 4 or 5, it is characterized in that thering is the control line being connected with described controller, described controller is according to outside input selection AC charging pattern and the DC charging pattern of described control line, and beginning and the end of control charging.
8. alternating current-direct current charger according to claim 7, is characterized in that by described control line the charged state of described alternating current-direct current charger and data feedback to Upper system.
9. alternating current-direct current charger according to claim 6, it is characterized in that thering is protective device, described protective device is included in the switch in the alternating-current switch on interchange incoming line, DC switch and the described high-frequency impulse rectification circuit on direct current incoming line, described alternating-current switch and described DC switch are power switch, realize overcurrent and overvoltage protection to input; Switch in described high-frequency impulse rectification circuit is similarly power switch, realizes overcurrent and overvoltage protection to output; And pass through the overheat protector of described power switch self, and detect the working temperature of described power switch, realize the overheat protector to described alternating current-direct current charger system.
10. alternating current-direct current charger according to claim 9, is characterized in that by described communication bus, by the charged state of described alternating current-direct current charger, data and comprise that the malfunction of overvoltage, overcurrent, excess temperature feeds back to Upper system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723280.XU CN203596636U (en) | 2013-11-13 | 2013-11-13 | AC-DC charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723280.XU CN203596636U (en) | 2013-11-13 | 2013-11-13 | AC-DC charger |
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| Publication Number | Publication Date |
|---|---|
| CN203596636U true CN203596636U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320723280.XU Expired - Fee Related CN203596636U (en) | 2013-11-13 | 2013-11-13 | AC-DC charger |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226735A (en) * | 2014-06-13 | 2016-01-06 | 国家电网公司 | A kind of alternating current-direct current compatible type Vehicular charger front stage circuits and Vehicular charger |
| CN106410945A (en) * | 2015-07-29 | 2017-02-15 | 深圳市泰金田科技有限公司 | AC/DC power supply device |
| CN111106659A (en) * | 2019-11-07 | 2020-05-05 | 上海昱玖电子商务有限公司 | Charging device, multi-battery charging system and charging cabinet |
| CN111409497A (en) * | 2020-04-29 | 2020-07-14 | 浙江万马新能源有限公司 | Charging pile with pulse charging function |
-
2013
- 2013-11-13 CN CN201320723280.XU patent/CN203596636U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226735A (en) * | 2014-06-13 | 2016-01-06 | 国家电网公司 | A kind of alternating current-direct current compatible type Vehicular charger front stage circuits and Vehicular charger |
| CN105226735B (en) * | 2014-06-13 | 2019-04-09 | 国家电网公司 | An AC-DC compatible vehicle-mounted charger front-stage circuit and vehicle-mounted charger |
| CN106410945A (en) * | 2015-07-29 | 2017-02-15 | 深圳市泰金田科技有限公司 | AC/DC power supply device |
| CN111106659A (en) * | 2019-11-07 | 2020-05-05 | 上海昱玖电子商务有限公司 | Charging device, multi-battery charging system and charging cabinet |
| CN111409497A (en) * | 2020-04-29 | 2020-07-14 | 浙江万马新能源有限公司 | Charging pile with pulse charging function |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 |